MeshCentral/webserver.js

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/**
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* @description MeshCentral web server
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* @author Ylian Saint-Hilaire
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* @copyright Intel Corporation 2018-2020
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* @license Apache-2.0
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* @version v0.0.1
*/
/*jslint node: true */
/*jshint node: true */
/*jshint strict:false */
/*jshint -W097 */
/*jshint esversion: 6 */
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'use strict';
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// SerialTunnel object is used to embed TLS within another connection.
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function SerialTunnel(options) {
var obj = new require('stream').Duplex(options);
obj.forwardwrite = null;
obj.updateBuffer = function (chunk) { this.push(chunk); };
obj._write = function (chunk, encoding, callback) { if (obj.forwardwrite != null) { obj.forwardwrite(chunk); } else { console.err("Failed to fwd _write."); } if (callback) callback(); }; // Pass data written to forward
obj._read = function (size) { }; // Push nothing, anything to read should be pushed from updateBuffer()
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return obj;
}
// ExpressJS login sample
// https://github.com/expressjs/express/blob/master/examples/auth/index.js
// Polyfill startsWith/endsWith for older NodeJS
if (!String.prototype.startsWith) { String.prototype.startsWith = function (searchString, position) { position = position || 0; return this.substr(position, searchString.length) === searchString; }; }
if (!String.prototype.endsWith) { String.prototype.endsWith = function (searchString, position) { var subjectString = this.toString(); if (typeof position !== 'number' || !isFinite(position) || Math.floor(position) !== position || position > subjectString.length) { position = subjectString.length; } position -= searchString.length; var lastIndex = subjectString.lastIndexOf(searchString, position); return lastIndex !== -1 && lastIndex === position; }; }
// Construct a HTTP server object
module.exports.CreateWebServer = function (parent, db, args, certificates) {
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var obj = {}, i = 0;
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// Modules
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obj.fs = require('fs');
obj.net = require('net');
obj.tls = require('tls');
obj.path = require('path');
obj.bodyParser = require('body-parser');
obj.session = require('cookie-session');
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obj.exphbs = require('express-handlebars');
obj.crypto = require('crypto');
obj.common = require('./common.js');
obj.express = require('express');
obj.meshAgentHandler = require('./meshagent.js');
obj.meshRelayHandler = require('./meshrelay.js');
obj.meshDeviceFileHandler = require('./meshdevicefile.js');
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obj.meshDesktopMultiplexHandler = require('./meshdesktopmultiplex.js');
obj.meshIderHandler = require('./amt/amt-ider.js');
obj.meshUserHandler = require('./meshuser.js');
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obj.interceptor = require('./interceptor');
const constants = (obj.crypto.constants ? obj.crypto.constants : require('constants')); // require('constants') is deprecated in Node 11.10, use require('crypto').constants instead.
// Setup WebAuthn / FIDO2
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obj.webauthn = require('./webauthn.js').CreateWebAuthnModule();
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// Variables
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obj.args = args;
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obj.parent = parent;
obj.filespath = parent.filespath;
obj.db = db;
obj.app = obj.express();
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if (obj.args.agentport) { obj.agentapp = obj.express(); }
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if (args.compression !== false) { obj.app.use(require('compression')()); }
obj.app.disable('x-powered-by');
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obj.tlsServer = null;
obj.tcpServer = null;
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obj.certificates = certificates;
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obj.users = {}; // UserID --> User
obj.meshes = {}; // MeshID --> Mesh (also called device group)
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obj.userGroups = {}; // UGrpID --> User Group
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obj.userAllowedIp = args.userallowedip; // List of allowed IP addresses for users
obj.agentAllowedIp = args.agentallowedip; // List of allowed IP addresses for agents
obj.agentBlockedIp = args.agentblockedip; // List of blocked IP addresses for agents
obj.tlsSniCredentials = null;
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obj.dnsDomains = {};
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obj.relaySessionCount = 0;
obj.relaySessionErrorCount = 0;
obj.blockedUsers = 0;
obj.blockedAgents = 0;
obj.renderPages = null;
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obj.renderLanguages = [];
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// Mesh Rights
const MESHRIGHT_EDITMESH = 1;
const MESHRIGHT_MANAGEUSERS = 2;
const MESHRIGHT_MANAGECOMPUTERS = 4;
const MESHRIGHT_REMOTECONTROL = 8;
const MESHRIGHT_AGENTCONSOLE = 16;
const MESHRIGHT_SERVERFILES = 32;
const MESHRIGHT_WAKEDEVICE = 64;
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const MESHRIGHT_SETNOTES = 128;
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// Site rights
const SITERIGHT_SERVERBACKUP = 1;
const SITERIGHT_MANAGEUSERS = 2;
const SITERIGHT_SERVERRESTORE = 4;
const SITERIGHT_FILEACCESS = 8;
const SITERIGHT_SERVERUPDATE = 16;
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const SITERIGHT_LOCKED = 32;
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// Setup SSPI authentication if needed
if ((obj.parent.platform == 'win32') && (obj.args.nousers != true) && (obj.parent.config != null) && (obj.parent.config.domains != null)) {
for (i in obj.parent.config.domains) { if (obj.parent.config.domains[i].auth == 'sspi') { var nodeSSPI = require('node-sspi'); obj.parent.config.domains[i].sspi = new nodeSSPI({ retrieveGroups: true, offerBasic: false }); } }
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}
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// Perform hash on web certificate and agent certificate
obj.webCertificateHash = obj.defaultWebCertificateHash = parent.certificateOperations.getPublicKeyHashBinary(obj.certificates.web.cert);
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obj.webCertificateHashs = { '': obj.webCertificateHash };
obj.webCertificateHashBase64 = Buffer.from(obj.webCertificateHash, 'binary').toString('base64').replace(/\+/g, '@').replace(/\//g, '$');
obj.webCertificateFullHash = obj.defaultWebCertificateFullHash = parent.certificateOperations.getCertHashBinary(obj.certificates.web.cert);
obj.webCertificateFullHashs = { '': obj.webCertificateFullHash };
obj.agentCertificateHashHex = parent.certificateOperations.getPublicKeyHash(obj.certificates.agent.cert);
obj.agentCertificateHashBase64 = Buffer.from(obj.agentCertificateHashHex, 'hex').toString('base64').replace(/\+/g, '@').replace(/\//g, '$');
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obj.agentCertificateAsn1 = parent.certificateOperations.forge.asn1.toDer(parent.certificateOperations.forge.pki.certificateToAsn1(parent.certificateOperations.forge.pki.certificateFromPem(parent.certificates.agent.cert))).getBytes();
// Compute the hash of all of the web certificates for each domain
for (var i in obj.parent.config.domains) {
if (obj.parent.config.domains[i].certhash != null) {
// If the web certificate hash is provided, use it.
obj.webCertificateHashs[i] = obj.webCertificateFullHashs[i] = Buffer.from(obj.parent.config.domains[i].certhash, 'hex').toString('binary');
if (obj.parent.config.domains[i].certkeyhash != null) { obj.webCertificateHashs[i] = Buffer.from(obj.parent.config.domains[i].certkeyhash, 'hex').toString('binary'); }
} else if ((obj.parent.config.domains[i].dns != null) && (obj.parent.config.domains[i].certs != null)) {
// If the domain has a different DNS name, use a different certificate hash.
// Hash the full certificate
obj.webCertificateFullHashs[i] = parent.certificateOperations.getCertHashBinary(obj.parent.config.domains[i].certs.cert);
try {
// Decode a RSA certificate and hash the public key.
obj.webCertificateHashs[i] = parent.certificateOperations.getPublicKeyHashBinary(obj.parent.config.domains[i].certs.cert);
} catch (ex) {
// This may be a ECDSA certificate, hash the entire cert.
obj.webCertificateHashs[i] = obj.webCertificateFullHashs[i];
}
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} else if ((obj.parent.config.domains[i].dns != null) && (obj.certificates.dns[i] != null)) {
// If this domain has a DNS and a matching DNS cert, use it. This case works for wildcard certs.
obj.webCertificateFullHashs[i] = parent.certificateOperations.getCertHashBinary(obj.certificates.dns[i].cert);
obj.webCertificateHashs[i] = parent.certificateOperations.getPublicKeyHashBinary(obj.certificates.dns[i].cert);
} else if (i != '') {
// For any other domain, use the default cert.
obj.webCertificateFullHashs[i] = obj.webCertificateFullHashs[''];
obj.webCertificateHashs[i] = obj.webCertificateHashs[''];
}
}
// If we are running the legacy swarm server, compute the hash for that certificate
if (parent.certificates.swarmserver != null) {
obj.swarmCertificateAsn1 = parent.certificateOperations.forge.asn1.toDer(parent.certificateOperations.forge.pki.certificateToAsn1(parent.certificateOperations.forge.pki.certificateFromPem(parent.certificates.swarmserver.cert))).getBytes();
obj.swarmCertificateHash384 = parent.certificateOperations.forge.pki.getPublicKeyFingerprint(parent.certificateOperations.forge.pki.certificateFromPem(obj.certificates.swarmserver.cert).publicKey, { md: parent.certificateOperations.forge.md.sha384.create(), encoding: 'binary' });
obj.swarmCertificateHash256 = parent.certificateOperations.forge.pki.getPublicKeyFingerprint(parent.certificateOperations.forge.pki.certificateFromPem(obj.certificates.swarmserver.cert).publicKey, { md: parent.certificateOperations.forge.md.sha256.create(), encoding: 'binary' });
}
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// Main lists
obj.wsagents = {}; // NodeId --> Agent
obj.wsagentsWithBadWebCerts = {}; // NodeId --> Agent
obj.wsagentsDisconnections = {};
obj.wsagentsDisconnectionsTimer = null;
obj.duplicateAgentsLog = {};
obj.wssessions = {}; // UserId --> Array Of Sessions
obj.wssessions2 = {}; // "UserId + SessionRnd" --> Session (Note that the SessionId is the UserId + / + SessionRnd)
obj.wsPeerSessions = {}; // ServerId --> Array Of "UserId + SessionRnd"
obj.wsPeerSessions2 = {}; // "UserId + SessionRnd" --> ServerId
obj.wsPeerSessions3 = {}; // ServerId --> UserId --> [ SessionId ]
obj.sessionsCount = {}; // Merged session counters, used when doing server peering. UserId --> SessionCount
obj.wsrelays = {}; // Id -> Relay
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obj.desktoprelays = {}; // Id -> Desktop Multiplexor Relay
obj.wsPeerRelays = {}; // Id -> { ServerId, Time }
var tlsSessionStore = {}; // Store TLS session information for quick resume.
var tlsSessionStoreCount = 0; // Number of cached TLS session information in store.
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// Setup randoms
obj.crypto.randomBytes(48, function (err, buf) { obj.httpAuthRandom = buf; });
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obj.crypto.randomBytes(16, function (err, buf) { obj.httpAuthRealm = buf.toString('hex'); });
obj.crypto.randomBytes(48, function (err, buf) { obj.relayRandom = buf; });
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// Get non-english web pages and emails
getRenderList();
getEmailLanguageList();
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// Setup DNS domain TLS SNI credentials
{
var dnscount = 0;
obj.tlsSniCredentials = {};
for (i in obj.certificates.dns) { if (obj.parent.config.domains[i].dns != null) { obj.dnsDomains[obj.parent.config.domains[i].dns.toLowerCase()] = obj.parent.config.domains[i]; obj.tlsSniCredentials[obj.parent.config.domains[i].dns] = obj.tls.createSecureContext(obj.certificates.dns[i]).context; dnscount++; } }
if (dnscount > 0) { obj.tlsSniCredentials[''] = obj.tls.createSecureContext({ cert: obj.certificates.web.cert, key: obj.certificates.web.key, ca: obj.certificates.web.ca }).context; } else { obj.tlsSniCredentials = null; }
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}
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function TlsSniCallback(name, cb) {
var c = obj.tlsSniCredentials[name];
if (c != null) {
cb(null, c);
} else {
cb(null, obj.tlsSniCredentials['']);
}
}
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function EscapeHtml(x) { if (typeof x == 'string') return x.replace(/&/g, '&amp;').replace(/>/g, '&gt;').replace(/</g, '&lt;').replace(/"/g, '&quot;').replace(/'/g, '&apos;'); if (typeof x == 'boolean') return x; if (typeof x == 'number') return x; }
//function EscapeHtmlBreaks(x) { if (typeof x == "string") return x.replace(/&/g, '&amp;').replace(/>/g, '&gt;').replace(/</g, '&lt;').replace(/"/g, '&quot;').replace(/'/g, '&apos;').replace(/\r/g, '<br />').replace(/\n/g, '').replace(/\t/g, '&nbsp;&nbsp;'); if (typeof x == "boolean") return x; if (typeof x == "number") return x; }
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// Fetch all users from the database, keep this in memory
obj.db.GetAllType('user', function (err, docs) {
obj.common.unEscapeAllLinksFieldName(docs);
var domainUserCount = {}, i = 0;
for (i in parent.config.domains) { domainUserCount[i] = 0; }
for (i in docs) { var u = obj.users[docs[i]._id] = docs[i]; domainUserCount[u.domain]++; }
for (i in parent.config.domains) {
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if (domainUserCount[i] == 0) {
// If newaccounts is set to no new accounts, but no accounts exists, temporarly allow account creation.
//if ((parent.config.domains[i].newaccounts === 0) || (parent.config.domains[i].newaccounts === false)) { parent.config.domains[i].newaccounts = 2; }
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console.log('Server ' + ((i == '') ? '' : (i + ' ')) + 'has no users, next new account will be site administrator.');
}
}
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// Fetch all device groups (meshes) from the database, keep this in memory
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// As we load things in memory, we will also be doing some cleaning up.
// We will not save any clean up in the database right now, instead it will be saved next time there is a change.
obj.db.GetAllType('mesh', function (err, docs) {
obj.common.unEscapeAllLinksFieldName(docs);
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for (var i in docs) { obj.meshes[docs[i]._id] = docs[i]; } // Get all meshes, including deleted ones.
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// Fetch all user groups from the database, keep this in memory
obj.db.GetAllType('ugrp', function (err, docs) {
obj.common.unEscapeAllLinksFieldName(docs);
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// Perform user group link cleanup
for (var i in docs) {
const ugrp = docs[i];
if (ugrp.links != null) {
for (var j in ugrp.links) {
if (j.startsWith('user/') && (obj.users[j] == null)) { delete ugrp.links[j]; } // User group has a link to a user that does not exist
else if (j.startsWith('mesh/') && ((obj.meshes[j] == null) || (obj.meshes[j].deleted != null))) { delete ugrp.links[j]; } // User has a link to a device group that does not exist
}
}
obj.userGroups[docs[i]._id] = docs[i]; // Get all user groups
}
// Perform device group link cleanup
for (var i in obj.meshes) {
const mesh = obj.meshes[i];
if (mesh.links != null) {
for (var j in mesh.links) {
if (j.startsWith('ugrp/') && (obj.userGroups[j] == null)) { delete mesh.links[j]; } // Device group has a link to a user group that does not exist
else if (j.startsWith('user/') && (obj.users[j] == null)) { delete mesh.links[j]; } // Device group has a link to a user that does not exist
}
}
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}
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// Perform user link cleanup
for (var i in obj.users) {
const user = obj.users[i];
if (user.links != null) {
for (var j in user.links) {
if (j.startsWith('ugrp/') && (obj.userGroups[j] == null)) { delete user.links[j]; } // User has a link to a user group that does not exist
else if (j.startsWith('mesh/') && ((obj.meshes[j] == null) || (obj.meshes[j].deleted != null))) { delete user.links[j]; } // User has a link to a device group that does not exist
//else if (j.startsWith('node/') && (obj.nodes[j] == null)) { delete user.links[j]; } // TODO
}
//if (Object.keys(user.links).length == 0) { delete user.links; }
}
}
// We loaded the users, device groups and user group state, start the server
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serverStart();
});
});
});
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// Clean up a device, used before saving it in the database
obj.cleanDevice = function (device) {
// Check device links, if a link points to an unknown user, remove it.
if (device.links != null) {
for (var j in device.links) {
if ((obj.users[j] == null) && (obj.userGroups[j] == null)) {
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delete device.links[j];
if (Object.keys(device.links).length == 0) { delete device.links; }
}
}
}
return device;
}
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// Return statistics about this web server
obj.getStats = function () {
return {
users: Object.keys(obj.users).length,
meshes: Object.keys(obj.meshes).length,
dnsDomains: Object.keys(obj.dnsDomains).length,
relaySessionCount: obj.relaySessionCount,
relaySessionErrorCount: obj.relaySessionErrorCount,
wsagents: Object.keys(obj.wsagents).length,
wsagentsDisconnections: Object.keys(obj.wsagentsDisconnections).length,
wsagentsDisconnectionsTimer: Object.keys(obj.wsagentsDisconnectionsTimer).length,
wssessions: Object.keys(obj.wssessions).length,
wssessions2: Object.keys(obj.wssessions2).length,
wsPeerSessions: Object.keys(obj.wsPeerSessions).length,
wsPeerSessions2: Object.keys(obj.wsPeerSessions2).length,
wsPeerSessions3: Object.keys(obj.wsPeerSessions3).length,
sessionsCount: Object.keys(obj.sessionsCount).length,
wsrelays: Object.keys(obj.wsrelays).length,
wsPeerRelays: Object.keys(obj.wsPeerRelays).length,
tlsSessionStore: Object.keys(tlsSessionStore).length,
blockedUsers: obj.blockedUsers,
blockedAgents: obj.blockedAgents
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};
}
// Agent counters
obj.agentStats = {
createMeshAgentCount: 0,
agentClose: 0,
agentBinaryUpdate: 0,
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coreIsStableCount: 0,
verifiedAgentConnectionCount: 0,
clearingCoreCount: 0,
updatingCoreCount: 0,
recoveryCoreIsStableCount: 0,
meshDoesNotExistCount: 0,
invalidPkcsSignatureCount: 0,
invalidRsaSignatureCount: 0,
invalidJsonCount: 0,
unknownAgentActionCount: 0,
agentBadWebCertHashCount: 0,
agentBadSignature1Count: 0,
agentBadSignature2Count: 0,
agentMaxSessionHoldCount: 0,
invalidDomainMeshCount: 0,
invalidMeshTypeCount: 0,
invalidDomainMesh2Count: 0,
invalidMeshType2Count: 0,
duplicateAgentCount: 0,
maxDomainDevicesReached: 0
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}
obj.getAgentStats = function () { return obj.agentStats; }
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// Authenticate the user
obj.authenticate = function (name, pass, domain, fn) {
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if ((typeof (name) != 'string') || (typeof (pass) != 'string') || (typeof (domain) != 'object')) { fn(new Error('invalid fields')); return; }
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if (domain.auth == 'ldap') {
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if (domain.ldapoptions.url == 'test') {
// Fake LDAP login
var xxuser = domain.ldapoptions[name.toLowerCase()];
if (xxuser == null) {
fn(new Error('invalid password'));
return;
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} else {
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var username = xxuser['displayName'];
if (domain.ldapusername) { username = xxuser[domain.ldapusername]; }
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var shortname = null;
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if (domain.ldapuserbinarykey) {
// Use a binary key as the userid
if (xxuser[domain.ldapuserbinarykey]) { shortname = Buffer.from(xxuser[domain.ldapuserbinarykey], 'binary').toString('hex'); }
} else if (domain.ldapuserkey) {
// Use a string key as the userid
if (xxuser[domain.ldapuserkey]) { shortname = xxuser[domain.ldapuserkey]; }
} else {
// Use the default key as the userid
if (xxuser.objectSid) { shortname = Buffer.from(xxuser.objectSid, 'binary').toString('hex').toLowerCase(); }
else if (xxuser.objectGUID) { shortname = Buffer.from(xxuser.objectGUID, 'binary').toString('hex').toLowerCase(); }
else if (xxuser.name) { shortname = xxuser.name; }
else if (xxuser.cn) { shortname = xxuser.cn; }
}
if (username == null) { fn(new Error('no user name')); return; }
if (shortname == null) { fn(new Error('no user identifier')); return; }
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var userid = 'user/' + domain.id + '/' + shortname;
var user = obj.users[userid];
var email = null;
if (domain.ldapuseremail) {
email = xxuser[domain.ldapuseremail];
} else if (xxuser.mail) { // use default
email = xxuser.mail;
}
if ('[object Array]' == Object.prototype.toString.call(email)) {
// mail may be multivalued in ldap in which case, answer is an array. Use the 1st value.
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email = email[0];
}
if (email) { email = email.toLowerCase(); } // it seems some code otherwhere also lowercase the emailaddress. be compatible.
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if (user == null) {
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// Create a new user
var user = { type: 'user', _id: userid, name: username, creation: Math.floor(Date.now() / 1000), login: Math.floor(Date.now() / 1000), domain: domain.id };
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if (email) { user['email'] = email; user['emailVerified'] = true; }
if (domain.newaccountsrights) { user.siteadmin = domain.newaccountsrights; }
if (obj.common.validateStrArray(domain.newaccountrealms)) { user.groups = domain.newaccountrealms; }
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var usercount = 0;
for (var i in obj.users) { if (obj.users[i].domain == domain.id) { usercount++; } }
if (usercount == 0) { user.siteadmin = 4294967295; /*if (domain.newaccounts === 2) { delete domain.newaccounts; }*/ } // If this is the first user, give the account site admin.
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// Auto-join any user groups
if (typeof domain.newaccountsusergroups == 'object') {
for (var i in domain.newaccountsusergroups) {
var ugrpid = domain.newaccountsusergroups[i];
if (ugrpid.indexOf('/') < 0) { ugrpid = 'ugrp/' + domain.id + '/' + ugrpid; }
var ugroup = obj.userGroups[ugrpid];
if (ugroup != null) {
// Add group to the user
if (user.links == null) { user.links = {}; }
user.links[ugroup._id] = { rights: 1 };
// Add user to the group
ugroup.links[user._id] = { userid: user._id, name: user.name, rights: 1 };
db.Set(ugroup);
// Notify user group change
var event = { etype: 'ugrp', ugrpid: ugroup._id, name: ugroup.name, desc: ugroup.desc, action: 'usergroupchange', links: ugroup.links, msg: 'Added user ' + user.name + ' to user group ' + ugroup.name, addUserDomain: domain.id };
if (db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to change the user group. Another event will come.
parent.DispatchEvent(['*', ugroup._id, user._id], obj, event);
}
}
}
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obj.users[user._id] = user;
obj.db.SetUser(user);
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var event = { etype: 'user', userid: userid, username: username, account: obj.CloneSafeUser(user), action: 'accountcreate', msg: 'Account created, name is ' + name, domain: domain.id };
if (obj.db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to create the user. Another event will come.
obj.parent.DispatchEvent(['*', 'server-users'], obj, event);
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return fn(null, user._id);
} else {
// This is an existing user
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// If the display username has changes, update it.
if (user.name != username) {
user.name = username;
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obj.db.SetUser(user);
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var event = { etype: 'user', userid: userid, username: user.name, account: obj.CloneSafeUser(user), action: 'accountchange', msg: 'Changed account display name to ' + username, domain: domain.id };
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if (obj.db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to change the user. Another event will come.
parent.DispatchEvent(['*', 'server-users', user._id], obj, event);
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}
// Check if user email has changed
var emailreason = null;
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if (user.email && !email) { // email unset in ldap => unset
delete user.email;
delete user.emailVerified;
emailreason = 'Unset email (no more email in LDAP)'
} else if (user.email != email) { // update email
user['email'] = email;
user['emailVerified'] = true;
emailreason = 'Set account email to ' + email + '. Sync with LDAP.';
}
if (emailreason) {
obj.db.SetUser(user);
var event = { etype: 'user', userid: userid, username: user.name, account: obj.CloneSafeUser(user), action: 'accountchange', msg: emailreason, domain: domain.id };
if (obj.db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to change the user. Another event will come.
parent.DispatchEvent(['*', 'server-users', user._id], obj, event);
}
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// If user is locker out, block here.
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if ((user.siteadmin) && (user.siteadmin != 0xFFFFFFFF) && (user.siteadmin & 32) != 0) { fn('locked'); return; }
return fn(null, user._id);
}
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}
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} else {
// LDAP login
var LdapAuth = require('ldapauth-fork');
var ldap = new LdapAuth(domain.ldapoptions);
ldap.authenticate(name, pass, function (err, xxuser) {
try { ldap.close(); } catch (ex) { console.log(ex); } // Close the LDAP object
if (err) { fn(new Error('invalid password')); return; }
var shortname = null;
var email = null;
if (domain.ldapuseremail) {
email = xxuser[domain.ldapuseremail];
} else if (xxuser.mail) {
email = xxuser.mail;
}
if ('[object Array]' == Object.prototype.toString.call(email)) {
// mail may be multivalued in ldap in which case, answer would be an array. Use the 1st one.
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email = email[0];
}
if (email) { email = email.toLowerCase(); } // it seems some code otherwhere also lowercase the emailaddress. be compatible.
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var username = xxuser['displayName'];
if (domain.ldapusername) { username = xxuser[domain.ldapusername]; }
if (domain.ldapuserbinarykey) {
// Use a binary key as the userid
if (xxuser[domain.ldapuserbinarykey]) { shortname = Buffer.from(xxuser[domain.ldapuserbinarykey], 'binary').toString('hex').toLowerCase(); }
} else if (domain.ldapuserkey) {
// Use a string key as the userid
if (xxuser[domain.ldapuserkey]) { shortname = xxuser[domain.ldapuserkey]; }
} else {
// Use the default key as the userid
if (xxuser.objectSid) { shortname = Buffer.from(xxuser.objectSid, 'binary').toString('hex').toLowerCase(); }
else if (xxuser.objectGUID) { shortname = Buffer.from(xxuser.objectGUID, 'binary').toString('hex').toLowerCase(); }
else if (xxuser.name) { shortname = xxuser.name; }
else if (xxuser.cn) { shortname = xxuser.cn; }
}
if (username == null) { fn(new Error('no user name')); return; }
if (shortname == null) { fn(new Error('no user identifier')); return; }
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var userid = 'user/' + domain.id + '/' + shortname;
var user = obj.users[userid];
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if (user == null) {
// This user does not exist, create a new account.
var user = { type: 'user', _id: userid, name: shortname, creation: Math.floor(Date.now() / 1000), login: Math.floor(Date.now() / 1000), domain: domain.id };
if (email) {
user['email'] = email;
user['emailVerified'] = true;
}
if (domain.newaccountsrights) { user.siteadmin = domain.newaccountsrights; }
if (obj.common.validateStrArray(domain.newaccountrealms)) { user.groups = domain.newaccountrealms; }
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var usercount = 0;
for (var i in obj.users) { if (obj.users[i].domain == domain.id) { usercount++; } }
if (usercount == 0) { user.siteadmin = 4294967295; /*if (domain.newaccounts === 2) { delete domain.newaccounts; }*/ } // If this is the first user, give the account site admin.
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// Auto-join any user groups
if (typeof domain.newaccountsusergroups == 'object') {
for (var i in domain.newaccountsusergroups) {
var ugrpid = domain.newaccountsusergroups[i];
if (ugrpid.indexOf('/') < 0) { ugrpid = 'ugrp/' + domain.id + '/' + ugrpid; }
var ugroup = obj.userGroups[ugrpid];
if (ugroup != null) {
// Add group to the user
if (user.links == null) { user.links = {}; }
user.links[ugroup._id] = { rights: 1 };
// Add user to the group
ugroup.links[user._id] = { userid: user._id, name: user.name, rights: 1 };
db.Set(ugroup);
// Notify user group change
var event = { etype: 'ugrp', ugrpid: ugroup._id, name: ugroup.name, desc: ugroup.desc, action: 'usergroupchange', links: ugroup.links, msg: 'Added user ' + user.name + ' to user group ' + ugroup.name, addUserDomain: domain.id };
if (db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to change the user group. Another event will come.
parent.DispatchEvent(['*', ugroup._id, user._id], obj, event);
}
}
}
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obj.users[user._id] = user;
obj.db.SetUser(user);
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var event = { etype: 'user', userid: user._id, username: user.name, account: obj.CloneSafeUser(user), action: 'accountcreate', msg: 'Account created, name is ' + name, domain: domain.id };
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if (obj.db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to create the user. Another event will come.
obj.parent.DispatchEvent(['*', 'server-users'], obj, event);
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return fn(null, user._id);
} else {
// This is an existing user
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// If the display username has changes, update it.
if (user.name != username) {
user.name = username;
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obj.db.SetUser(user);
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var event = { etype: 'user', userid: user._id, username: user.name, account: obj.CloneSafeUser(user), action: 'accountchange', msg: 'Changed account display name to ' + username, domain: domain.id };
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if (obj.db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to change the user. Another event will come.
parent.DispatchEvent(['*', 'server-users', user._id], obj, event);
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}
// Check if user email has changed
var emailreason = null;
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if (user.email && !email) { // email unset in ldap => unset
delete user.email;
delete user.emailVerified;
emailreason = 'Unset email (no more email in LDAP)'
} else if (user.email != email) { // update email
user['email'] = email;
user['emailVerified'] = true;
emailreason = 'Set account email to ' + email + '. Sync with LDAP.';
}
if (emailreason) {
obj.db.SetUser(user);
var event = { etype: 'user', userid: user._id, username: user.name, account: obj.CloneSafeUser(user), action: 'accountchange', msg: emailreason, domain: domain.id };
if (obj.db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to change the user. Another event will come.
parent.DispatchEvent(['*', 'server-users', user._id], obj, event);
}
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// If user is locker out, block here.
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if ((user.siteadmin) && (user.siteadmin != 0xFFFFFFFF) && (user.siteadmin & 32) != 0) { fn('locked'); return; }
return fn(null, user._id);
}
});
}
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} else {
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// Regular login
var user = obj.users['user/' + domain.id + '/' + name.toLowerCase()];
// Query the db for the given username
if (!user) { fn(new Error('cannot find user')); return; }
// Apply the same algorithm to the POSTed password, applying the hash against the pass / salt, if there is a match we found the user
if (user.salt == null) {
fn(new Error('invalid password'));
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} else {
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if (user.passtype != null) {
// IIS default clear or weak password hashing (SHA-1)
require('./pass').iishash(user.passtype, pass, user.salt, function (err, hash) {
if (err) return fn(err);
if (hash == user.hash) {
// Update the password to the stronger format.
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require('./pass').hash(pass, function (err, salt, hash, tag) { if (err) throw err; user.salt = salt; user.hash = hash; delete user.passtype; obj.db.SetUser(user); }, 0);
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if ((user.siteadmin) && (user.siteadmin != 0xFFFFFFFF) && (user.siteadmin & 32) != 0) { fn('locked'); return; }
return fn(null, user._id);
}
fn(new Error('invalid password'), null, user.passhint);
});
} else {
// Default strong password hashing (pbkdf2 SHA384)
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require('./pass').hash(pass, user.salt, function (err, hash, tag) {
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if (err) return fn(err);
if (hash == user.hash) {
if ((user.siteadmin) && (user.siteadmin != 0xFFFFFFFF) && (user.siteadmin & 32) != 0) { fn('locked'); return; }
return fn(null, user._id);
}
fn(new Error('invalid password'), null, user.passhint);
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}, 0);
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}
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}
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}
};
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/*
obj.restrict = function (req, res, next) {
console.log('restrict', req.url);
var domain = getDomain(req);
if (req.session.userid) {
next();
} else {
req.session.messageid = 111; // Access denied.
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res.redirect(domain.url + 'login');
}
};
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*/
// Check if the source IP address is in the IP list, return false if not.
function checkIpAddressEx(req, res, ipList, closeIfThis) {
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try {
if (req.connection) {
// HTTP(S) request
if (req.clientIp) { for (var i = 0; i < ipList.length; i++) { if (require('ipcheck').match(req.clientIp, ipList[i])) { if (closeIfThis === true) { res.sendStatus(401); } return true; } } }
if (closeIfThis === false) { res.sendStatus(401); }
} else {
// WebSocket request
if (res.clientIp) { for (var i = 0; i < ipList.length; i++) { if (require('ipcheck').match(res.clientIp, ipList[i])) { if (closeIfThis === true) { try { req.close(); } catch (e) { } } return true; } } }
if (closeIfThis === false) { try { req.close(); } catch (e) { } }
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}
} catch (e) { console.log(e); } // Should never happen
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return false;
}
// Check if the source IP address is allowed, return domain if allowed
// If there is a fail and null is returned, the request or connection is closed already.
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function checkUserIpAddress(req, res) {
if ((parent.config.settings.userblockedip != null) && (checkIpAddressEx(req, res, parent.config.settings.userblockedip, true) == true)) { obj.blockedUsers++; return null; }
if ((parent.config.settings.userallowedip != null) && (checkIpAddressEx(req, res, parent.config.settings.userallowedip, false) == false)) { obj.blockedUsers++; return null; }
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const domain = (req.url ? getDomain(req) : getDomain(res));
if (domain == null) { parent.debug('web', 'handleRootRequest: invalid domain.'); try { res.sendStatus(404); } catch (ex) { } return; }
if ((domain.userblockedip != null) && (checkIpAddressEx(req, res, domain.userblockedip, true) == true)) { obj.blockedUsers++; return null; }
if ((domain.userallowedip != null) && (checkIpAddressEx(req, res, domain.userallowedip, false) == false)) { obj.blockedUsers++; return null; }
return domain;
}
// Check if the source IP address is allowed, return domain if allowed
// If there is a fail and null is returned, the request or connection is closed already.
function checkAgentIpAddress(req, res) {
if ((parent.config.settings.agentblockedip != null) && (checkIpAddressEx(req, res, parent.config.settings.agentblockedip, null) == true)) { obj.blockedAgents++; return null; }
if ((parent.config.settings.agentallowedip != null) && (checkIpAddressEx(req, res, parent.config.settings.agentallowedip, null) == false)) { obj.blockedAgents++; return null; }
const domain = (req.url ? getDomain(req) : getDomain(res));
if ((domain.agentblockedip != null) && (checkIpAddressEx(req, res, domain.agentblockedip, null) == true)) { obj.blockedAgents++; return null; }
if ((domain.agentallowedip != null) && (checkIpAddressEx(req, res, domain.agentallowedip, null) == false)) { obj.blockedAgents++; return null; }
return domain;
}
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// Return the current domain of the request
// Request or connection says open regardless of the response
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function getDomain(req) {
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if (req.xdomain != null) { return req.xdomain; } // Domain already set for this request, return it.
if (req.headers.host != null) { var d = obj.dnsDomains[req.headers.host.split(':')[0].toLowerCase()]; if (d != null) return d; } // If this is a DNS name domain, return it here.
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var x = req.url.split('/');
if (x.length < 2) return parent.config.domains[''];
var y = parent.config.domains[x[1].toLowerCase()];
if ((y != null) && (y.dns == null)) { return parent.config.domains[x[1].toLowerCase()]; }
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return parent.config.domains[''];
}
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function handleLogoutRequest(req, res) {
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const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
if (domain.auth == 'sspi') { parent.debug('web', 'handleLogoutRequest: failed checks.'); res.sendStatus(404); return; }
if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.sendStatus(404); return; } // Check 3FA URL key
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res.set({ 'Cache-Control': 'no-store' });
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// Destroy the user's session to log them out will be re-created next request
if (req.session.userid) {
var user = obj.users[req.session.userid];
if (user != null) { obj.parent.DispatchEvent(['*'], obj, { etype: 'user', userid: user._id, username: user.name, action: 'logout', msgid: 2, msg: 'Account logout', domain: domain.id }); }
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}
req.session = null;
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if (req.query.key != null) { res.redirect(domain.url + '?key=' + req.query.key); } else { res.redirect(domain.url); }
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parent.debug('web', 'handleLogoutRequest: success.');
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}
// Return true if this user has 2-step auth active
function checkUserOneTimePasswordRequired(domain, user, req) {
// Check if we can skip 2nd factor auth because of the source IP address
if ((req != null) && (req.clientIp != null) && (domain.passwordrequirements != null) && (domain.passwordrequirements.skip2factor != null)) {
for (var i in domain.passwordrequirements.skip2factor) { if (require('ipcheck').match(req.clientIp, domain.passwordrequirements.skip2factor[i]) === true) return false; }
}
// Check if a 2nd factor cookie is present
if (typeof req.headers.cookie == 'string') {
const cookies = req.headers.cookie.split('; ');
for (var i in cookies) {
if (cookies[i].startsWith('twofactor=')) {
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var twoFactorCookie = obj.parent.decodeCookie(decodeURIComponent(cookies[i].substring(10)), obj.parent.loginCookieEncryptionKey, (30 * 24 * 60)); // If the cookies does not have an expire feild, assume 30 day timeout.
if ((twoFactorCookie != null) && ((obj.args.cookieipcheck === false) || (twoFactorCookie.ip == null) || (twoFactorCookie.ip === req.clientIp)) && (twoFactorCookie.userid == user._id)) { return false; }
}
}
}
// See if SMS 2FA is available
var sms2fa = (((typeof domain.passwordrequirements != 'object') || (domain.passwordrequirements.sms2factor != false)) && (parent.smsserver != null) && (user.phone != null));
// Check if a 2nd factor is present
return ((parent.config.settings.no2factorauth !== true) && (sms2fa || (user.otpsecret != null) || ((user.email != null) && (user.emailVerified == true) && (parent.mailserver != null) && (user.otpekey != null)) || ((user.otphkeys != null) && (user.otphkeys.length > 0))));
}
// Check the 2-step auth token
function checkUserOneTimePassword(req, domain, user, token, hwtoken, func) {
parent.debug('web', 'checkUserOneTimePassword()');
const twoStepLoginSupported = ((domain.auth != 'sspi') && (obj.parent.certificates.CommonName.indexOf('.') != -1) && (obj.args.nousers !== true) && (parent.config.settings.no2factorauth !== true));
if (twoStepLoginSupported == false) { parent.debug('web', 'checkUserOneTimePassword: not supported.'); func(true); return; };
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// Check if we can use OTP tokens with email
var otpemail = (parent.mailserver != null);
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if ((typeof domain.passwordrequirements == 'object') && (domain.passwordrequirements.email2factor == false)) { otpemail = false; }
var otpsms = (parent.smsserver != null);
if ((typeof domain.passwordrequirements == 'object') && (domain.passwordrequirements.sms2factor == false)) { otpsms = false; }
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// Check 2FA login cookie
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if ((token != null) && (token.startsWith('cookie='))) {
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var twoFactorCookie = obj.parent.decodeCookie(decodeURIComponent(token.substring(7)), obj.parent.loginCookieEncryptionKey, (30 * 24 * 60)); // If the cookies does not have an expire feild, assume 30 day timeout.
if ((twoFactorCookie != null) && ((obj.args.cookieipcheck === false) || (twoFactorCookie.ip == null) || (twoFactorCookie.ip === req.clientIp)) && (twoFactorCookie.userid == user._id)) { func(true); return; }
}
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// Check email key
if ((otpemail) && (user.otpekey != null) && (user.otpekey.d != null) && (user.otpekey.k === token)) {
var deltaTime = (Date.now() - user.otpekey.d);
if ((deltaTime > 0) && (deltaTime < 300000)) { // Allow 5 minutes to use the email token (10000 * 60 * 5).
user.otpekey = {};
obj.db.SetUser(user);
parent.debug('web', 'checkUserOneTimePassword: success (email).');
func(true);
return;
}
}
// Check sms key
if ((otpsms) && (user.phone != null) && (user.otpsms != null) && (user.otpsms.d != null) && (user.otpsms.k === token)) {
var deltaTime = (Date.now() - user.otpsms.d);
if ((deltaTime > 0) && (deltaTime < 300000)) { // Allow 5 minutes to use the SMS token (10000 * 60 * 5).
delete user.otpsms;
obj.db.SetUser(user);
parent.debug('web', 'checkUserOneTimePassword: success (SMS).');
func(true);
return;
}
}
// Check hardware key
if (user.otphkeys && (user.otphkeys.length > 0) && (typeof (hwtoken) == 'string') && (hwtoken.length > 0)) {
var authResponse = null;
try { authResponse = JSON.parse(hwtoken); } catch (ex) { }
if ((authResponse != null) && (authResponse.clientDataJSON)) {
// Get all WebAuthn keys
var webAuthnKeys = [];
for (var i = 0; i < user.otphkeys.length; i++) { if (user.otphkeys[i].type == 3) { webAuthnKeys.push(user.otphkeys[i]); } }
if (webAuthnKeys.length > 0) {
// Decode authentication response
var clientAssertionResponse = { response: {} };
clientAssertionResponse.id = authResponse.id;
clientAssertionResponse.rawId = Buffer.from(authResponse.id, 'base64');
clientAssertionResponse.response.authenticatorData = Buffer.from(authResponse.authenticatorData, 'base64');
clientAssertionResponse.response.clientDataJSON = Buffer.from(authResponse.clientDataJSON, 'base64');
clientAssertionResponse.response.signature = Buffer.from(authResponse.signature, 'base64');
clientAssertionResponse.response.userHandle = Buffer.from(authResponse.userHandle, 'base64');
// Look for the key with clientAssertionResponse.id
var webAuthnKey = null;
for (var i = 0; i < webAuthnKeys.length; i++) { if (webAuthnKeys[i].keyId == clientAssertionResponse.id) { webAuthnKey = webAuthnKeys[i]; } }
// If we found a valid key to use, let's validate the response
if (webAuthnKey != null) {
// Figure out the origin
var httpport = ((args.aliasport != null) ? args.aliasport : args.port);
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var origin = 'https://' + (domain.dns ? domain.dns : parent.certificates.CommonName);
if (httpport != 443) { origin += ':' + httpport; }
var assertionExpectations = {
challenge: req.session.u2fchallenge,
origin: origin,
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factor: 'either',
fmt: 'fido-u2f',
publicKey: webAuthnKey.publicKey,
prevCounter: webAuthnKey.counter,
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userHandle: Buffer.from(user._id, 'binary').toString('base64')
};
var webauthnResponse = null;
try { webauthnResponse = obj.webauthn.verifyAuthenticatorAssertionResponse(clientAssertionResponse.response, assertionExpectations); } catch (ex) { parent.debug('web', 'checkUserOneTimePassword: exception ' + ex); console.log(ex); }
if ((webauthnResponse != null) && (webauthnResponse.verified === true)) {
// Update the hardware key counter and accept the 2nd factor
webAuthnKey.counter = webauthnResponse.counter;
obj.db.SetUser(user);
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parent.debug('web', 'checkUserOneTimePassword: success (hardware).');
func(true);
} else {
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parent.debug('web', 'checkUserOneTimePassword: fail (hardware).');
func(false);
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}
return;
}
}
}
}
// Check Google Authenticator
const otplib = require('otplib')
otplib.authenticator.options = { window: 2 }; // Set +/- 1 minute window
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if (user.otpsecret && (typeof (token) == 'string') && (token.length == 6) && (otplib.authenticator.check(token, user.otpsecret) == true)) {
parent.debug('web', 'checkUserOneTimePassword: success (authenticator).');
func(true);
return;
};
// Check written down keys
if ((user.otpkeys != null) && (user.otpkeys.keys != null) && (typeof (token) == 'string') && (token.length == 8)) {
var tokenNumber = parseInt(token);
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for (var i = 0; i < user.otpkeys.keys.length; i++) {
if ((tokenNumber === user.otpkeys.keys[i].p) && (user.otpkeys.keys[i].u === true)) {
parent.debug('web', 'checkUserOneTimePassword: success (one-time).');
user.otpkeys.keys[i].u = false; func(true); return;
}
}
}
// Check OTP hardware key
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if ((domain.yubikey != null) && (domain.yubikey.id != null) && (domain.yubikey.secret != null) && (user.otphkeys != null) && (user.otphkeys.length > 0) && (typeof (token) == 'string') && (token.length == 44)) {
var keyId = token.substring(0, 12);
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// Find a matching OTP key
var match = false;
for (var i = 0; i < user.otphkeys.length; i++) { if ((user.otphkeys[i].type === 2) && (user.otphkeys[i].keyid === keyId)) { match = true; } }
// If we have a match, check the OTP
if (match === true) {
var yubikeyotp = require('yubikeyotp');
var request = { otp: token, id: domain.yubikey.id, key: domain.yubikey.secret, timestamp: true }
if (domain.yubikey.proxy) { request.requestParams = { proxy: domain.yubikey.proxy }; }
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yubikeyotp.verifyOTP(request, function (err, results) {
if ((results != null) && (results.status == 'OK')) {
parent.debug('web', 'checkUserOneTimePassword: success (Yubikey).');
func(true);
} else {
parent.debug('web', 'checkUserOneTimePassword: fail (Yubikey).');
func(false);
}
});
return;
}
}
parent.debug('web', 'checkUserOneTimePassword: fail (2).');
func(false);
}
// Return a U2F hardware key challenge
function getHardwareKeyChallenge(req, domain, user, func) {
if (req.session.u2fchallenge) { delete req.session.u2fchallenge; };
if (user.otphkeys && (user.otphkeys.length > 0)) {
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// Get all WebAuthn keys
var webAuthnKeys = [];
for (var i = 0; i < user.otphkeys.length; i++) { if (user.otphkeys[i].type == 3) { webAuthnKeys.push(user.otphkeys[i]); } }
if (webAuthnKeys.length > 0) {
// Generate a Webauthn challenge, this is really easy, no need to call any modules to do this.
var authnOptions = { type: 'webAuthn', keyIds: [], timeout: 60000, challenge: obj.crypto.randomBytes(64).toString('base64') };
for (var i = 0; i < webAuthnKeys.length; i++) { authnOptions.keyIds.push(webAuthnKeys[i].keyId); }
req.session.u2fchallenge = authnOptions.challenge;
parent.debug('web', 'getHardwareKeyChallenge: success');
func(JSON.stringify(authnOptions));
return;
}
}
parent.debug('web', 'getHardwareKeyChallenge: fail');
func('');
}
function handleLoginRequest(req, res, direct) {
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const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.sendStatus(404); return; } // Check 3FA URL key
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// Check if this is a banned ip address
if (obj.checkAllowLogin(req) == false) {
// Wait and redirect the user
setTimeout(function () {
req.session.messageid = 114; // IP address blocked, try again later.
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
}, 2000 + (obj.crypto.randomBytes(2).readUInt16BE(0) % 4095));
return;
}
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// Normally, use the body username/password. If this is a token, use the username/password in the session.
var xusername = req.body.username, xpassword = req.body.password;
if ((xusername == null) && (xpassword == null) && (req.body.token != null)) { xusername = req.session.tokenusername; xpassword = req.session.tokenpassword; }
// Authenticate the user
obj.authenticate(xusername, xpassword, domain, function (err, userid, passhint) {
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if (userid) {
var user = obj.users[userid];
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// Check if we are in maintenance mode
if ((parent.config.settings.maintenancemode != null) && (user.siteadmin != 4294967295)) {
req.session.messageid = 115; // Server under maintenance
req.session.loginmode = '1';
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
return;
}
var email2fa = (((typeof domain.passwordrequirements != 'object') || (domain.passwordrequirements.email2factor != false)) && (parent.mailserver != null) && (user.email != null) && (user.emailVerified == true) && (user.otpekey != null));
var sms2fa = (((typeof domain.passwordrequirements != 'object') || (domain.passwordrequirements.sms2factor != false)) && (parent.smsserver != null) && (user.phone != null));
// Check if this user has 2-step login active
if ((req.session.loginmode != '6') && checkUserOneTimePasswordRequired(domain, user, req)) {
if ((req.body.hwtoken == '**email**') && email2fa) {
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user.otpekey = { k: obj.common.zeroPad(getRandomEightDigitInteger(), 8), d: Date.now() };
obj.db.SetUser(user);
parent.debug('web', 'Sending 2FA email to: ' + user.email);
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parent.mailserver.sendAccountLoginMail(domain, user.email, user.otpekey.k, obj.getLanguageCodes(req), req.query.key);
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req.session.messageid = 2; // "Email sent" message
req.session.loginmode = '4';
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
return;
}
if ((req.body.hwtoken == '**sms**') && sms2fa) {
// Cause a token to be sent to the user's phone number
user.otpsms = { k: obj.common.zeroPad(getRandomSixDigitInteger(), 6), d: Date.now() };
obj.db.SetUser(user);
parent.debug('web', 'Sending 2FA SMS to: ' + user.phone);
parent.smsserver.sendToken(domain, user.phone, user.otpsms.k, obj.getLanguageCodes(req));
// Ask for a login token & confirm sms was sent
req.session.messageid = 4; // "SMS sent" message
req.session.loginmode = '4';
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
return;
}
checkUserOneTimePassword(req, domain, user, req.body.token, req.body.hwtoken, function (result) {
if (result == false) {
var randomWaitTime = 0;
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// 2-step auth is required, but the token is not present or not valid.
if ((req.body.token != null) || (req.body.hwtoken != null)) {
randomWaitTime = 2000 + (obj.crypto.randomBytes(2).readUInt16BE(0) % 4095); // This is a fail, wait a random time. 2 to 6 seconds.
req.session.messageid = 108; // Invalid token, try again.
if (obj.parent.authlog) { obj.parent.authLog('https', 'Failed 2FA for ' + xusername + ' from ' + cleanRemoteAddr(req.clientIp) + ' port ' + req.port); }
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parent.debug('web', 'handleLoginRequest: invalid 2FA token');
obj.parent.DispatchEvent(['*', 'server-users', 'user/' + domain.id + '/' + user.name], obj, { action: 'authfail', username: user.name, userid: 'user/' + domain.id + '/' + user.name, domain: domain.id, msg: 'User login attempt with incorrect 2nd factor from ' + req.clientIp });
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obj.setbadLogin(req);
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} else {
parent.debug('web', 'handleLoginRequest: 2FA token required');
}
// Wait and redirect the user
setTimeout(function () {
req.session.loginmode = '4';
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req.session.tokenemail = ((user.email != null) && (user.emailVerified == true) && (parent.mailserver != null) && (user.otpekey != null));
req.session.tokensms = ((user.phone != null) && (parent.smsserver != null));
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req.session.tokenuserid = userid;
req.session.tokenusername = xusername;
req.session.tokenpassword = xpassword;
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
}, randomWaitTime);
} else {
// Check if we need to remember this device
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if ((req.body.remembertoken === 'on') && ((domain.twofactorcookiedurationdays == null) || (domain.twofactorcookiedurationdays > 0))) {
var maxCookieAge = domain.twofactorcookiedurationdays;
if (typeof maxCookieAge != 'number') { maxCookieAge = 30; }
const twoFactorCookie = obj.parent.encodeCookie({ userid: user._id, expire: maxCookieAge * 24 * 60 /*, ip: req.clientIp*/ }, obj.parent.loginCookieEncryptionKey);
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res.cookie('twofactor', twoFactorCookie, { maxAge: (maxCookieAge * 24 * 60 * 60 * 1000), httpOnly: true, sameSite: 'strict', secure: true });
}
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// Check if email address needs to be confirmed
var emailcheck = ((obj.parent.mailserver != null) && (obj.parent.certificates.CommonName != null) && (obj.parent.certificates.CommonName.indexOf('.') != -1) && (obj.args.lanonly != true) && (domain.auth != 'sspi') && (domain.auth != 'ldap'))
if (emailcheck && (user.emailVerified !== true)) {
parent.debug('web', 'Redirecting using ' + user.name + ' to email check login page');
req.session.messageid = 3; // "Email verification required" message
req.session.loginmode = '7';
req.session.passhint = user.email;
req.session.cuserid = userid;
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
return;
}
// Login successful
if (obj.parent.authlog) { obj.parent.authLog('https', 'Accepted password for ' + xusername + ' from ' + req.clientIp + ' port ' + req.connection.remotePort); }
parent.debug('web', 'handleLoginRequest: successful 2FA login');
completeLoginRequest(req, res, domain, user, userid, xusername, xpassword, direct);
}
});
return;
}
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// Check if email address needs to be confirmed
var emailcheck = ((obj.parent.mailserver != null) && (obj.parent.certificates.CommonName != null) && (obj.parent.certificates.CommonName.indexOf('.') != -1) && (obj.args.lanonly != true) && (domain.auth != 'sspi') && (domain.auth != 'ldap'))
if (emailcheck && (user.emailVerified !== true)) {
parent.debug('web', 'Redirecting using ' + user.name + ' to email check login page');
req.session.messageid = 3; // "Email verification required" message
req.session.loginmode = '7';
req.session.passhint = user.email;
req.session.cuserid = userid;
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
return;
}
// Login successful
if (obj.parent.authlog) { obj.parent.authLog('https', 'Accepted password for ' + xusername + ' from ' + req.clientIp + ' port ' + req.connection.remotePort); }
parent.debug('web', 'handleLoginRequest: successful login');
completeLoginRequest(req, res, domain, user, userid, xusername, xpassword, direct);
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} else {
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// Login failed, log the error
if (obj.parent.authlog) { obj.parent.authLog('https', 'Failed password for ' + xusername + ' from ' + req.clientIp + ' port ' + req.connection.remotePort); }
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// Wait a random delay
setTimeout(function () {
// If the account is locked, display that.
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if (typeof xusername == 'string') {
var xuserid = 'user/' + domain.id + '/' + xusername.toLowerCase();
if (err == 'locked') {
parent.debug('web', 'handleLoginRequest: login failed, locked account');
req.session.messageid = 110; // Account locked.
obj.parent.DispatchEvent(['*', 'server-users', xuserid], obj, { action: 'authfail', userid: xuserid, username: xusername, domain: domain.id, msg: 'User login attempt on locked account from ' + req.clientIp });
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obj.setbadLogin(req);
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} else {
parent.debug('web', 'handleLoginRequest: login failed, bad username and password');
req.session.messageid = 112; // Login failed, check username and password.
obj.parent.DispatchEvent(['*', 'server-users', xuserid], obj, { action: 'authfail', userid: xuserid, username: xusername, domain: domain.id, msg: 'Invalid user login attempt from ' + req.clientIp });
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obj.setbadLogin(req);
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}
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}
// Clean up login mode and display password hint if present.
delete req.session.loginmode;
if ((passhint != null) && (passhint.length > 0)) {
req.session.passhint = passhint;
} else {
delete req.session.passhint;
}
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
}, 2000 + (obj.crypto.randomBytes(2).readUInt16BE(0) % 4095)); // Wait for 2 to ~6 seconds.
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}
});
}
function completeLoginRequest(req, res, domain, user, userid, xusername, xpassword, direct) {
// Check if we need to change the password
if ((typeof user.passchange == 'number') && ((user.passchange == -1) || ((typeof domain.passwordrequirements == 'object') && (typeof domain.passwordrequirements.reset == 'number') && (user.passchange + (domain.passwordrequirements.reset * 86400) < Math.floor(Date.now() / 1000))))) {
// Request a password change
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parent.debug('web', 'handleLoginRequest: login ok, password change requested');
req.session.loginmode = '6';
req.session.messageid = 113; // Password change requested.
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req.session.resettokenuserid = userid;
req.session.resettokenusername = xusername;
req.session.resettokenpassword = xpassword;
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
return;
}
// Save login time
user.pastlogin = user.login;
user.login = Math.floor(Date.now() / 1000);
obj.db.SetUser(user);
// Notify account login
var targets = ['*', 'server-users'];
if (user.groups) { for (var i in user.groups) { targets.push('server-users:' + i); } }
obj.parent.DispatchEvent(targets, obj, { etype: 'user', userid: user._id, username: user.name, account: obj.CloneSafeUser(user), action: 'login', msgid: 1, msg: 'Account login', domain: domain.id });
// Regenerate session when signing in to prevent fixation
//req.session.regenerate(function () {
// Store the user's primary key in the session store to be retrieved, or in this case the entire user object
delete req.session.loginmode;
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delete req.session.tokenuserid;
delete req.session.tokenusername;
delete req.session.tokenpassword;
delete req.session.tokenemail;
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delete req.session.tokensms;
delete req.session.messageid;
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delete req.session.passhint;
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delete req.session.cuserid;
req.session.userid = userid;
req.session.domainid = domain.id;
req.session.currentNode = '';
req.session.ip = req.clientIp;
if (req.body.viewmode) { req.session.viewmode = req.body.viewmode; }
if (req.body.host) {
// TODO: This is a terrible search!!! FIX THIS.
/*
obj.db.GetAllType('node', function (err, docs) {
for (var i = 0; i < docs.length; i++) {
if (docs[i].name == req.body.host) {
req.session.currentNode = docs[i]._id;
break;
}
}
console.log("CurrentNode: " + req.session.currentNode);
// This redirect happens after finding node is completed
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
});
*/
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parent.debug('web', 'handleLoginRequest: login ok (1)');
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } // Temporary
} else {
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parent.debug('web', 'handleLoginRequest: login ok (2)');
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
}
//});
}
function handleCreateAccountRequest(req, res, direct) {
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const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
if ((domain.auth == 'sspi') || (domain.auth == 'ldap')) { parent.debug('web', 'handleCreateAccountRequest: failed checks.'); res.sendStatus(404); return; }
if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.sendStatus(404); return; } // Check 3FA URL key
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// Check if we are in maintenance mode
if (parent.config.settings.maintenancemode != null) {
req.session.messageid = 115; // Server under maintenance
req.session.loginmode = '1';
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
return;
}
// Always lowercase the email address
if (req.body.email) { req.body.email = req.body.email.toLowerCase(); }
// If the email is the username, set this here.
if (domain.usernameisemail) { req.body.username = req.body.email; }
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// Accounts that start with ~ are not allowed
if ((typeof req.body.username != 'string') || (req.body.username.length < 1) || (req.body.username[0] == '~')) {
parent.debug('web', 'handleCreateAccountRequest: unable to create account (0)');
req.session.loginmode = '2';
req.session.messageid = 100; // Unable to create account.
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
return;
}
// Count the number of users in this domain
var domainUserCount = 0;
for (var i in obj.users) { if (obj.users[i].domain == domain.id) { domainUserCount++; } }
// Check if we are allowed to create new users using the login screen
if ((domain.newaccounts !== 1) && (domain.newaccounts !== true) && (domainUserCount > 0)) {
parent.debug('web', 'handleCreateAccountRequest: domainUserCount > 1.');
res.sendStatus(401);
return;
}
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// Check if this request is for an allows email domain
if ((domain.newaccountemaildomains != null) && Array.isArray(domain.newaccountemaildomains)) {
var i = -1;
if (typeof req.body.email == 'string') { i = req.body.email.indexOf('@'); }
if (i == -1) {
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parent.debug('web', 'handleCreateAccountRequest: unable to create account (1)');
req.session.loginmode = '2';
req.session.messageid = 100; // Unable to create account.
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
return;
}
var emailok = false, emaildomain = req.body.email.substring(i + 1).toLowerCase();
for (var i in domain.newaccountemaildomains) { if (emaildomain == domain.newaccountemaildomains[i].toLowerCase()) { emailok = true; } }
if (emailok == false) {
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parent.debug('web', 'handleCreateAccountRequest: unable to create account (2)');
req.session.loginmode = '2';
req.session.messageid = 100; // Unable to create account.
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
return;
}
}
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// Check if we exceed the maximum number of user accounts
obj.db.isMaxType(domain.limits.maxuseraccounts, 'user', domain.id, function (maxExceed) {
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if (maxExceed) {
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parent.debug('web', 'handleCreateAccountRequest: account limit reached');
req.session.loginmode = '2';
req.session.messageid = 101; // Account limit reached.
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
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} else {
if (!obj.common.validateUsername(req.body.username, 1, 64) || !obj.common.validateEmail(req.body.email, 1, 256) || !obj.common.validateString(req.body.password1, 1, 256) || !obj.common.validateString(req.body.password2, 1, 256) || (req.body.password1 != req.body.password2) || req.body.username == '~' || !obj.common.checkPasswordRequirements(req.body.password1, domain.passwordrequirements)) {
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parent.debug('web', 'handleCreateAccountRequest: unable to create account (3)');
req.session.loginmode = '2';
req.session.messageid = 100; // Unable to create account.
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
} else {
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// Check if this email was already verified
obj.db.GetUserWithVerifiedEmail(domain.id, req.body.email, function (err, docs) {
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if ((docs != null) && (docs.length > 0)) {
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parent.debug('web', 'handleCreateAccountRequest: Existing account with this email address');
req.session.loginmode = '2';
req.session.messageid = 102; // Existing account with this email address.
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
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} else {
// Check if there is domain.newAccountToken, check if supplied token is valid
if ((domain.newaccountspass != null) && (domain.newaccountspass != '') && (req.body.anewaccountpass != domain.newaccountspass)) {
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parent.debug('web', 'handleCreateAccountRequest: Invalid account creation token');
req.session.loginmode = '2';
req.session.messageid = 103; // Invalid account creation token.
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
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return;
}
// Check if user exists
if (obj.users['user/' + domain.id + '/' + req.body.username.toLowerCase()]) {
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parent.debug('web', 'handleCreateAccountRequest: Username already exists');
req.session.loginmode = '2';
req.session.messageid = 104; // Username already exists.
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} else {
var user = { type: 'user', _id: 'user/' + domain.id + '/' + req.body.username.toLowerCase(), name: req.body.username, email: req.body.email, creation: Math.floor(Date.now() / 1000), login: Math.floor(Date.now() / 1000), domain: domain.id };
if (domain.newaccountsrights) { user.siteadmin = domain.newaccountsrights; }
if (obj.common.validateStrArray(domain.newaccountrealms)) { user.groups = domain.newaccountrealms; }
if ((domain.passwordrequirements != null) && (domain.passwordrequirements.hint === true) && (req.body.apasswordhint)) { var hint = req.body.apasswordhint; if (hint.length > 250) { hint = hint.substring(0, 250); } user.passhint = hint; }
if (domainUserCount == 0) { user.siteadmin = 4294967295; /*if (domain.newaccounts === 2) { delete domain.newaccounts; }*/ } // If this is the first user, give the account site admin.
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// Auto-join any user groups
if (typeof domain.newaccountsusergroups == 'object') {
for (var i in domain.newaccountsusergroups) {
var ugrpid = domain.newaccountsusergroups[i];
if (ugrpid.indexOf('/') < 0) { ugrpid = 'ugrp/' + domain.id + '/' + ugrpid; }
var ugroup = obj.userGroups[ugrpid];
if (ugroup != null) {
// Add group to the user
if (user.links == null) { user.links = {}; }
user.links[ugroup._id] = { rights: 1 };
// Add user to the group
ugroup.links[user._id] = { userid: user._id, name: user.name, rights: 1 };
db.Set(ugroup);
// Notify user group change
var event = { etype: 'ugrp', ugrpid: ugroup._id, name: ugroup.name, desc: ugroup.desc, action: 'usergroupchange', links: ugroup.links, msg: 'Added user ' + user.name + ' to user group ' + ugroup.name, addUserDomain: domain.id };
if (db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to change the user group. Another event will come.
parent.DispatchEvent(['*', ugroup._id, user._id], obj, event);
}
}
}
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obj.users[user._id] = user;
req.session.userid = user._id;
req.session.domainid = domain.id;
req.session.ip = req.clientIp; // Bind this session to the IP address of the request
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// Create a user, generate a salt and hash the password
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require('./pass').hash(req.body.password1, function (err, salt, hash, tag) {
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if (err) throw err;
user.salt = salt;
user.hash = hash;
delete user.passtype;
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obj.db.SetUser(user);
// Send the verification email
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if ((obj.parent.mailserver != null) && (domain.auth != 'sspi') && (domain.auth != 'ldap') && (obj.common.validateEmail(user.email, 1, 256) == true)) { obj.parent.mailserver.sendAccountCheckMail(domain, user.name, user.email, obj.getLanguageCodes(req), req.query.key); }
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}, 0);
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var event = { etype: 'user', userid: user._id, username: user.name, account: obj.CloneSafeUser(user), action: 'accountcreate', msg: 'Account created, email is ' + req.body.email, domain: domain.id };
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if (obj.db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to create the user. Another event will come.
obj.parent.DispatchEvent(['*', 'server-users'], obj, event);
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}
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
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}
});
}
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}
});
}
// Called to process an account password reset
function handleResetPasswordRequest(req, res, direct) {
const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.sendStatus(404); return; } // Check 3FA URL key
// Check everything is ok
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if ((domain == null) || (domain.auth == 'sspi') || (domain.auth == 'ldap') || (typeof req.body.rpassword1 != 'string') || (typeof req.body.rpassword2 != 'string') || (req.body.rpassword1 != req.body.rpassword2) || (typeof req.body.rpasswordhint != 'string') || (req.session == null) || (typeof req.session.resettokenusername != 'string') || (typeof req.session.resettokenpassword != 'string')) {
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parent.debug('web', 'handleResetPasswordRequest: checks failed');
delete req.session.loginmode;
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delete req.session.tokenuserid;
delete req.session.tokenusername;
delete req.session.tokenpassword;
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delete req.session.resettokenuserid;
delete req.session.resettokenusername;
delete req.session.resettokenpassword;
delete req.session.tokenemail;
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delete req.session.tokensms;
delete req.session.messageid;
delete req.session.passhint;
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delete req.session.cuserid;
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
return;
}
// Authenticate the user
obj.authenticate(req.session.resettokenusername, req.session.resettokenpassword, domain, function (err, userid, passhint) {
if (userid) {
// Login
var user = obj.users[userid];
// If we have password requirements, check this here.
if (!obj.common.checkPasswordRequirements(req.body.rpassword1, domain.passwordrequirements)) {
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parent.debug('web', 'handleResetPasswordRequest: password rejected, use a different one (1)');
req.session.loginmode = '6';
req.session.messageid = 105; // Password rejected, use a different one.
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
return;
}
// Check if the password is the same as a previous one
obj.checkOldUserPasswords(domain, user, req.body.rpassword1, function (result) {
if (result != 0) {
// This is the same password as an older one, request a password change again
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parent.debug('web', 'handleResetPasswordRequest: password rejected, use a different one (2)');
req.session.loginmode = '6';
req.session.messageid = 105; // Password rejected, use a different one.
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
} else {
// Update the password, use a different salt.
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require('./pass').hash(req.body.rpassword1, function (err, salt, hash, tag) {
const nowSeconds = Math.floor(Date.now() / 1000);
if (err) { parent.debug('web', 'handleResetPasswordRequest: hash error.'); throw err; }
if (domain.passwordrequirements != null) {
// Save password hint if this feature is enabled
if ((domain.passwordrequirements.hint === true) && (req.body.apasswordhint)) { var hint = req.body.apasswordhint; if (hint.length > 250) hint = hint.substring(0, 250); user.passhint = hint; } else { delete user.passhint; }
// Save previous password if this feature is enabled
if ((typeof domain.passwordrequirements.oldpasswordban == 'number') && (domain.passwordrequirements.oldpasswordban > 0)) {
if (user.oldpasswords == null) { user.oldpasswords = []; }
user.oldpasswords.push({ salt: user.salt, hash: user.hash, start: user.passchange, end: nowSeconds });
const extraOldPasswords = user.oldpasswords.length - domain.passwordrequirements.oldpasswordban;
if (extraOldPasswords > 0) { user.oldpasswords.splice(0, extraOldPasswords); }
}
}
user.salt = salt;
user.hash = hash;
user.passchange = nowSeconds;
delete user.passtype;
obj.db.SetUser(user);
// Event the account change
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var event = { etype: 'user', userid: user._id, username: user.name, account: obj.CloneSafeUser(user), action: 'accountchange', msg: 'User password reset', domain: domain.id };
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if (obj.db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to change the user. Another event will come.
obj.parent.DispatchEvent(['*', 'server-users', user._id], obj, event);
// Login successful
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parent.debug('web', 'handleResetPasswordRequest: success');
req.session.userid = userid;
req.session.domainid = domain.id;
req.session.ip = req.clientIp; // Bind this session to the IP address of the request
completeLoginRequest(req, res, domain, obj.users[userid], userid, req.session.tokenusername, req.session.tokenpassword, direct);
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}, 0);
}
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}, 0);
} else {
// Failed, error out.
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parent.debug('web', 'handleResetPasswordRequest: failed authenticate()');
delete req.session.loginmode;
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delete req.session.tokenuserid;
delete req.session.tokenusername;
delete req.session.tokenpassword;
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delete req.session.resettokenuserid;
delete req.session.resettokenusername;
delete req.session.resettokenpassword;
delete req.session.tokenemail;
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delete req.session.tokensms;
delete req.session.messageid;
delete req.session.passhint;
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delete req.session.cuserid;
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
return;
}
});
}
// Called to process an account reset request
function handleResetAccountRequest(req, res, direct) {
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const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
if ((domain.auth == 'sspi') || (domain.auth == 'ldap') || (obj.args.lanonly == true) || (obj.parent.certificates.CommonName == null) || (obj.parent.certificates.CommonName.indexOf('.') == -1)) { parent.debug('web', 'handleResetAccountRequest: check failed'); res.sendStatus(404); return; }
if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.sendStatus(404); return; } // Check 3FA URL key
// Always lowercase the email address
if (req.body.email) { req.body.email = req.body.email.toLowerCase(); }
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// Get the email from the body or session.
var email = req.body.email;
if ((email == null) || (email == '')) { email = req.session.tokenemail; }
// Check the email string format
if (!email || checkEmail(email) == false) {
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parent.debug('web', 'handleResetAccountRequest: Invalid email');
req.session.loginmode = '3';
req.session.messageid = 106; // Invalid email.
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
} else {
obj.db.GetUserWithVerifiedEmail(domain.id, email, function (err, docs) {
if ((err != null) || (docs.length == 0)) {
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parent.debug('web', 'handleResetAccountRequest: Account not found');
req.session.loginmode = '3';
req.session.messageid = 1; // If valid, reset mail sent. Instead of "Account not found" (107), we send this hold on message so users can't know if this account exists or not.
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
} else {
// If many accounts have the same validated e-mail, we are going to use the first one for display, but sent a reset email for all accounts.
var responseSent = false;
for (var i in docs) {
var user = docs[i];
if (checkUserOneTimePasswordRequired(domain, user, req) == true) {
// Second factor setup, request it now.
checkUserOneTimePassword(req, domain, user, req.body.token, req.body.hwtoken, function (result) {
if (result == false) {
if (i == 0) {
// 2-step auth is required, but the token is not present or not valid.
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parent.debug('web', 'handleResetAccountRequest: Invalid 2FA token, try again');
if ((req.body.token != null) || (req.body.hwtoken != null)) {
req.session.messageid = 108; // Invalid token, try again.
obj.parent.DispatchEvent(['*', 'server-users', 'user/' + domain.id + '/' + user.name], obj, { action: 'authfail', username: user.name, userid: 'user/' + domain.id + '/' + user.name, domain: domain.id, msg: 'User login attempt with incorrect 2nd factor from ' + req.clientIp });
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obj.setbadLogin(req);
}
req.session.loginmode = '5';
req.session.tokenemail = email;
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
}
} else {
// Send email to perform recovery.
delete req.session.tokenemail;
if (obj.parent.mailserver != null) {
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obj.parent.mailserver.sendAccountResetMail(domain, user.name, user.email, obj.getLanguageCodes(req), req.query.key);
if (i == 0) {
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parent.debug('web', 'handleResetAccountRequest: Hold on, reset mail sent.');
req.session.loginmode = '1';
req.session.messageid = 1; // If valid, reset mail sent.
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
}
} else {
if (i == 0) {
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parent.debug('web', 'handleResetAccountRequest: Unable to sent email.');
req.session.loginmode = '3';
req.session.messageid = 109; // Unable to sent email.
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
}
}
}
});
} else {
// No second factor, send email to perform recovery.
if (obj.parent.mailserver != null) {
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obj.parent.mailserver.sendAccountResetMail(domain, user.name, user.email, obj.getLanguageCodes(req), req.query.key);
if (i == 0) {
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parent.debug('web', 'handleResetAccountRequest: Hold on, reset mail sent.');
req.session.loginmode = '1';
req.session.messageid = 1; // If valid, reset mail sent.
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
}
} else {
if (i == 0) {
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parent.debug('web', 'handleResetAccountRequest: Unable to sent email.');
req.session.loginmode = '3';
req.session.messageid = 109; // Unable to sent email.
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
}
}
}
}
}
});
}
}
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// Handle account email change and email verification request
function handleCheckAccountEmailRequest(req, res, direct) {
const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
if ((obj.parent.mailserver == null) || (domain.auth == 'sspi') || (domain.auth == 'ldap') || (typeof req.session.cuserid != 'string') || (obj.users[req.session.cuserid] == null) || (!obj.common.validateEmail(req.body.email, 1, 256))) { parent.debug('web', 'handleCheckAccountEmailRequest: failed checks.'); res.sendStatus(404); return; }
if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.sendStatus(404); return; } // Check 3FA URL key
// Always lowercase the email address
if (req.body.email) { req.body.email = req.body.email.toLowerCase(); }
// Get the email from the body or session.
var email = req.body.email;
if ((email == null) || (email == '')) { email = req.session.tokenemail; }
// Check if this request is for an allows email domain
if ((domain.newaccountemaildomains != null) && Array.isArray(domain.newaccountemaildomains)) {
var i = -1;
if (typeof req.body.email == 'string') { i = req.body.email.indexOf('@'); }
if (i == -1) {
parent.debug('web', 'handleCreateAccountRequest: unable to create account (1)');
req.session.loginmode = '7';
req.session.messageid = 106; // Invalid email.
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
return;
}
var emailok = false, emaildomain = req.body.email.substring(i + 1).toLowerCase();
for (var i in domain.newaccountemaildomains) { if (emaildomain == domain.newaccountemaildomains[i].toLowerCase()) { emailok = true; } }
if (emailok == false) {
parent.debug('web', 'handleCreateAccountRequest: unable to create account (2)');
req.session.loginmode = '7';
req.session.messageid = 106; // Invalid email.
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
return;
}
}
// Check the email string format
if (!email || checkEmail(email) == false) {
parent.debug('web', 'handleCheckAccountEmailRequest: Invalid email');
req.session.loginmode = '7';
req.session.messageid = 106; // Invalid email.
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
} else {
// Check is email already exists
obj.db.GetUserWithVerifiedEmail(domain.id, email, function (err, docs) {
if ((err != null) || (docs.length > 0)) {
// Email already exitst
req.session.messageid = 102; // Existing account with this email address.
} else {
// Update the user and notify of user email address change
var user = obj.users[req.session.cuserid];
if (user.email != email) {
user.email = email;
db.SetUser(user);
var targets = ['*', 'server-users', user._id];
if (user.groups) { for (var i in user.groups) { targets.push('server-users:' + i); } }
var event = { etype: 'user', userid: user._id, username: user.name, account: obj.CloneSafeUser(user), action: 'accountchange', msg: 'Account changed: ' + user.name, domain: domain.id };
if (db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to change the user. Another event will come.
parent.DispatchEvent(targets, obj, event);
}
// Send the verification email
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obj.parent.mailserver.sendAccountCheckMail(domain, user.name, user.email, obj.getLanguageCodes(req), req.query.key);
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// Send the response
req.session.messageid = 2; // Email sent.
}
req.session.loginmode = '7';
delete req.session.cuserid;
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
});
}
}
// Called to process a web based email verification request
function handleCheckMailRequest(req, res) {
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const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
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if ((domain.auth == 'sspi') || (domain.auth == 'ldap') || (obj.parent.mailserver == null)) { parent.debug('web', 'handleCheckMailRequest: failed checks.'); res.sendStatus(404); return; }
if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.sendStatus(404); return; } // Check 3FA URL key
if (req.query.c != null) {
var cookie = obj.parent.decodeCookie(req.query.c, obj.parent.mailserver.mailCookieEncryptionKey, 30);
if ((cookie != null) && (cookie.u != null) && (cookie.e != null)) {
var idsplit = cookie.u.split('/');
if ((idsplit.length != 2) || (idsplit[0] != domain.id)) {
parent.debug('web', 'handleCheckMailRequest: Invalid domain.');
render(req, res, getRenderPage((domain.sitestyle == 2) ? 'message2' : 'message', req, domain), getRenderArgs({ titleid: 1, msgid: 1, domainurl: encodeURIComponent(domain.url).replace(/'/g, '%27') }, req, domain));
} else {
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obj.db.Get('user/' + cookie.u.toLowerCase(), function (err, docs) {
if (docs.length == 0) {
parent.debug('web', 'handleCheckMailRequest: Invalid username.');
render(req, res, getRenderPage((domain.sitestyle == 2) ? 'message2' : 'message', req, domain), getRenderArgs({ titleid: 1, msgid: 2, domainurl: encodeURIComponent(domain.url).replace(/'/g, '%27'), arg1: encodeURIComponent(idsplit[1]).replace(/'/g, '%27') }, req, domain));
} else {
var user = docs[0];
if (user.email != cookie.e) {
parent.debug('web', 'handleCheckMailRequest: Invalid e-mail.');
render(req, res, getRenderPage((domain.sitestyle == 2) ? 'message2' : 'message', req, domain), getRenderArgs({ titleid: 1, msgid: 3, domainurl: encodeURIComponent(domain.url).replace(/'/g, '%27'), arg1: encodeURIComponent(user.email).replace(/'/g, '%27'), arg2: encodeURIComponent(user.name).replace(/'/g, '%27') }, req, domain));
} else {
if (cookie.a == 1) {
// Account email verification
if (user.emailVerified == true) {
parent.debug('web', 'handleCheckMailRequest: email already verified.');
render(req, res, getRenderPage((domain.sitestyle == 2) ? 'message2' : 'message', req, domain), getRenderArgs({ titleid: 1, msgid: 4, domainurl: encodeURIComponent(domain.url).replace(/'/g, '%27'), arg1: encodeURIComponent(user.email).replace(/'/g, '%27'), arg2: encodeURIComponent(user.name).replace(/'/g, '%27') }, req, domain));
} else {
obj.db.GetUserWithVerifiedEmail(domain.id, user.email, function (err, docs) {
if (docs.length > 0) {
parent.debug('web', 'handleCheckMailRequest: email already in use.');
render(req, res, getRenderPage((domain.sitestyle == 2) ? 'message2' : 'message', req, domain), getRenderArgs({ titleid: 1, msgid: 5, domainurl: encodeURIComponent(domain.url).replace(/'/g, '%27'), arg1: encodeURIComponent(user.email).replace(/'/g, '%27') }, req, domain));
} else {
parent.debug('web', 'handleCheckMailRequest: email verification success.');
// Set the verified flag
obj.users[user._id].emailVerified = true;
user.emailVerified = true;
obj.db.SetUser(user);
// Event the change
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var event = { etype: 'user', userid: user._id, username: user.name, account: obj.CloneSafeUser(user), action: 'accountchange', msg: 'Verified email of user ' + EscapeHtml(user.name) + ' (' + EscapeHtml(user.email) + ')', domain: domain.id };
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if (obj.db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to change the user. Another event will come.
obj.parent.DispatchEvent(['*', 'server-users', user._id], obj, event);
// Send the confirmation page
render(req, res, getRenderPage((domain.sitestyle == 2) ? 'message2' : 'message', req, domain), getRenderArgs({ titleid: 1, msgid: 6, domainurl: encodeURIComponent(domain.url).replace(/'/g, '%27'), arg1: encodeURIComponent(user.email).replace(/'/g, '%27'), arg2: encodeURIComponent(user.name).replace(/'/g, '%27') }, req, domain));
// Send a notification
obj.parent.DispatchEvent([user._id], obj, { action: 'notify', title: 'Email verified', value: user.email, nolog: 1, id: Math.random() });
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// Send to authlog
if (obj.parent.authlog) { obj.parent.authLog('https', 'Verified email address ' + user.email + ' for user ' + user.name); }
}
});
}
} else if (cookie.a == 2) {
// Account reset
if (user.emailVerified != true) {
parent.debug('web', 'handleCheckMailRequest: email not verified.');
render(req, res, getRenderPage((domain.sitestyle == 2) ? 'message2' : 'message', req, domain), getRenderArgs({ titleid: 1, msgid: 7, domainurl: encodeURIComponent(domain.url).replace(/'/g, '%27'), arg1: EscapeHtml(user.email), arg2: EscapeHtml(user.name) }, req, domain));
} else {
// Set a temporary password
obj.crypto.randomBytes(16, function (err, buf) {
var newpass = buf.toString('base64').split('=').join('').split('/').join('');
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require('./pass').hash(newpass, function (err, salt, hash, tag) {
var userinfo = null;
if (err) throw err;
// Change the password
userinfo = obj.users[user._id];
userinfo.salt = salt;
userinfo.hash = hash;
delete userinfo.passtype;
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userinfo.passchange = Math.floor(Date.now() / 1000);
delete userinfo.passhint;
//delete userinfo.otpsecret; // Currently a email password reset will turn off 2-step login.
obj.db.SetUser(userinfo);
// Event the change
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var event = { etype: 'user', userid: user._id, username: userinfo.name, account: obj.CloneSafeUser(userinfo), action: 'accountchange', msg: 'Password reset for user ' + EscapeHtml(user.name), domain: domain.id };
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if (obj.db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to change the user. Another event will come.
obj.parent.DispatchEvent(['*', 'server-users', user._id], obj, event);
// Send the new password
render(req, res, getRenderPage((domain.sitestyle == 2) ? 'message2' : 'message', req, domain), getRenderArgs({ titleid: 1, msgid: 8, domainurl: encodeURIComponent(domain.url).replace(/'/g, '%27'), arg1: EscapeHtml(user.name), arg2: EscapeHtml(newpass) }, req, domain));
parent.debug('web', 'handleCheckMailRequest: send temporary password.');
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// Send to authlog
if (obj.parent.authlog) { obj.parent.authLog('https', 'Performed account reset for user ' + user.name); }
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}, 0);
});
}
} else {
render(req, res, getRenderPage((domain.sitestyle == 2) ? 'message2' : 'message', req, domain), getRenderArgs({ titleid: 1, msgid: 9, domainurl: encodeURIComponent(domain.url).replace(/'/g, '%27') }, req, domain));
}
}
}
});
}
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} else {
render(req, res, getRenderPage((domain.sitestyle == 2) ? 'message2' : 'message', req, domain), getRenderArgs({ titleid: 1, msgid: 10, domainurl: encodeURIComponent(domain.url).replace(/'/g, '%27') }, req, domain));
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}
}
}
// Called to process an agent invite GET/POST request
function handleInviteRequest(req, res) {
const domain = getDomain(req);
if (domain == null) { parent.debug('web', 'handleInviteRequest: failed checks.'); res.sendStatus(404); return; }
if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.sendStatus(404); return; } // Check 3FA URL key
if ((req.body.inviteCode == null) || (req.body.inviteCode == '')) { render(req, res, getRenderPage('invite', req, domain), getRenderArgs({ messageid: 0 }, req, domain)); return; } // No invitation code
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// Each for a device group that has this invite code.
for (var i in obj.meshes) {
if ((obj.meshes[i].domain == domain.id) && (obj.meshes[i].invite != null) && (obj.meshes[i].invite.codes.indexOf(req.body.inviteCode) >= 0)) {
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// Send invitation link, valid for 1 minute.
res.redirect(domain.url + 'agentinvite?c=' + parent.encodeCookie({ a: 4, mid: i, f: obj.meshes[i].invite.flags, expire: 1 }, parent.invitationLinkEncryptionKey) + (req.query.key ? ('&key=' + req.query.key) : ''));
return;
}
}
render(req, res, getRenderPage('invite', req, domain), getRenderArgs({ messageid: 100 }, req, domain)); // Bad invitation code
}
// Called to render the MSTSC (RDP) web page
function handleMSTSCRequest(req, res) {
const domain = getDomain(req);
if (domain == null) { parent.debug('web', 'handleMSTSCRequest: failed checks.'); res.sendStatus(404); return; }
if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.sendStatus(404); return; } // Check 3FA URL key
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// Check if we are in maintenance mode
if ((parent.config.settings.maintenancemode != null) && (req.query.admin !== '1')) {
render(req, res, getRenderPage((domain.sitestyle == 2) ? 'message2' : 'message', req, domain), getRenderArgs({ titleid: 3, msgid: 13, domainurl: encodeURIComponent(domain.url).replace(/'/g, '%27') }, req, domain));
return;
}
if (req.query.ws != null) {
// This is a query with a websocket relay cookie, check that the cookie is valid and use it.
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var rcookie = parent.decodeCookie(req.query.ws, parent.loginCookieEncryptionKey, 60); // Cookie with 1 hour timeout
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if ((rcookie != null) && (rcookie.domainid == domain.id) && (rcookie.nodeid != null) && (rcookie.tcpport != null)) {
render(req, res, getRenderPage('mstsc', req, domain), getRenderArgs({ cookie: req.query.ws, name: encodeURIComponent(req.query.name).replace(/'/g, '%27') }, req, domain)); return;
}
}
// Get the logged in user if present
var user = null;
// If there is a login token, use that
if (req.query.login != null) {
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var ucookie = parent.decodeCookie(req.query.login, parent.loginCookieEncryptionKey, 60); // Cookie with 1 hour timeout
if ((ucookie != null) && (ucookie.a === 3) && (typeof ucookie.u == 'string')) { user = obj.users[ucookie.u]; }
}
// If no token, see if we have an active session
if ((user == null) && (req.session.userid != null)) { user = obj.users[req.session.userid]; }
// If still no user, see if we have a default user
if ((user == null) && (obj.args.user)) { user = obj.users['user/' + domain.id + '/' + obj.args.user.toLowerCase()]; }
// No user login, exit now
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if (user == null) { res.sendStatus(401); return; }
// Check the nodeid
if (req.query.node != null) {
var nodeidsplit = req.query.node.split('/');
if (nodeidsplit.length == 1) {
req.query.node = 'node/' + domain.id + '/' + nodeidsplit[0]; // Format the nodeid correctly
} else if (nodeidsplit.length == 3) {
if ((nodeidsplit[0] != 'node') || (nodeidsplit[1] != domain.id)) { req.query.node = null; } // Check the nodeid format
} else {
req.query.node = null; // Bad nodeid
}
}
// If there is no nodeid, exit now
if (req.query.node == null) { render(req, res, getRenderPage('mstsc', req, domain), getRenderArgs({ cookie: '', name: '' }, req, domain)); return; }
// Fetch the node from the database
obj.db.Get(req.query.node, function (err, nodes) {
if ((err != null) || (nodes.length != 1)) { res.sendStatus(404); return; }
const node = nodes[0];
// Check access rights, must have remote control rights
if ((obj.GetNodeRights(user, node.meshid, node._id) & MESHRIGHT_REMOTECONTROL) == 0) { res.sendStatus(401); return; }
// Figure out the target port
var port = 3389;
if (typeof node.rdpport == 'number') { port = node.rdpport; }
if (req.query.port != null) { var qport = 0; try { qport = parseInt(req.query.port); } catch (ex) { } if ((typeof qport == 'number') && (qport > 0) && (qport < 65536)) { port = qport; } }
// Generate a cookie and respond
var cookie = parent.encodeCookie({ userid: user._id, domainid: user.domain, nodeid: node._id, tcpport: port }, parent.loginCookieEncryptionKey);
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render(req, res, getRenderPage('mstsc', req, domain), getRenderArgs({ cookie: cookie, name: encodeURIComponent(node.name).replace(/'/g, '%27') }, req, domain));
});
}
// Called to process an agent invite request
function handleAgentInviteRequest(req, res) {
const domain = getDomain(req);
if ((domain == null) || ((req.query.m == null) && (req.query.c == null))) { parent.debug('web', 'handleAgentInviteRequest: failed checks.'); res.sendStatus(404); return; }
if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.sendStatus(404); return; } // Check 3FA URL key
if (req.query.c != null) {
// A cookie is specified in the query string, use that
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var cookie = obj.parent.decodeCookie(req.query.c, obj.parent.invitationLinkEncryptionKey);
if (cookie == null) { res.sendStatus(404); return; }
var mesh = obj.meshes[cookie.mid];
if (mesh == null) { res.sendStatus(404); return; }
var installflags = cookie.f;
if (typeof installflags != 'number') { installflags = 0; }
parent.debug('web', 'handleAgentInviteRequest using cookie.');
var meshcookie = parent.encodeCookie({ m: mesh._id.split('/')[2] }, parent.invitationLinkEncryptionKey);
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render(req, res, getRenderPage('agentinvite', req, domain), getRenderArgs({ meshid: meshcookie, serverport: ((args.aliasport != null) ? args.aliasport : args.port), serverhttps: 1, servernoproxy: ((domain.agentnoproxy === true) ? '1' : '0'), meshname: encodeURIComponent(mesh.name).replace(/'/g, '%27'), installflags: installflags }, req, domain));
} else if (req.query.m != null) {
// The MeshId is specified in the query string, use that
var mesh = obj.meshes['mesh/' + domain.id + '/' + req.query.m.toLowerCase()];
if (mesh == null) { res.sendStatus(404); return; }
var installflags = 0;
if (req.query.f) { installflags = parseInt(req.query.f); }
if (typeof installflags != 'number') { installflags = 0; }
parent.debug('web', 'handleAgentInviteRequest using meshid.');
var meshcookie = parent.encodeCookie({ m: mesh._id.split('/')[2] }, parent.invitationLinkEncryptionKey);
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render(req, res, getRenderPage('agentinvite', req, domain), getRenderArgs({ meshid: meshcookie, serverport: ((args.aliasport != null) ? args.aliasport : args.port), serverhttps: 1, servernoproxy: ((domain.agentnoproxy === true) ? '1' : '0'), meshname: encodeURIComponent(mesh.name).replace(/'/g, '%27'), installflags: installflags }, req, domain));
}
}
function handleDeleteAccountRequest(req, res, direct) {
parent.debug('web', 'handleDeleteAccountRequest()');
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const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
if ((domain.auth == 'sspi') || (domain.auth == 'ldap')) { parent.debug('web', 'handleDeleteAccountRequest: failed checks.'); res.sendStatus(404); return; }
if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.sendStatus(404); return; } // Check 3FA URL key
var user = null;
if (req.body.authcookie) {
// If a authentication cookie is provided, decode it here
var loginCookie = obj.parent.decodeCookie(req.body.authcookie, obj.parent.loginCookieEncryptionKey, 60); // 60 minute timeout
if ((loginCookie != null) && (domain.id == loginCookie.domainid)) { user = obj.users[loginCookie.userid]; }
} else {
// Check if the user is logged and we have all required parameters
if (!req.session || !req.session.userid || !req.body.apassword1 || (req.body.apassword1 != req.body.apassword2) || (req.session.domainid != domain.id)) {
parent.debug('web', 'handleDeleteAccountRequest: required parameters not present.');
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
return;
} else {
user = obj.users[req.session.userid];
}
}
if (!user) { parent.debug('web', 'handleDeleteAccountRequest: user not found.'); res.sendStatus(404); return; }
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if ((user.siteadmin != 0xFFFFFFFF) && ((user.siteadmin & 1024) != 0)) { parent.debug('web', 'handleDeleteAccountRequest: account settings locked.'); res.sendStatus(404); return; }
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// Check if the password is correct
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obj.authenticate(user._id.split('/')[2], req.body.apassword1, domain, function (err, userid) {
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var deluser = obj.users[userid];
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if ((userid != null) && (deluser != null)) {
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// Remove all links to this user
if (deluser.links != null) {
for (var i in deluser.links) {
if (i.startsWith('mesh/')) {
// Get the device group
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var mesh = obj.meshes[i];
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if (mesh) {
// Remove user from the mesh
if (mesh.links[deluser._id] != null) { delete mesh.links[deluser._id]; parent.db.Set(mesh); }
// Notify mesh change
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var change = 'Removed user ' + deluser.name + ' from group ' + mesh.name;
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var event = { etype: 'mesh', userid: user._id, username: user.name, meshid: mesh._id, name: mesh.name, mtype: mesh.mtype, desc: mesh.desc, action: 'meshchange', links: mesh.links, msg: change, domain: domain.id, invite: mesh.invite };
if (db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to change the mesh. Another event will come.
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parent.DispatchEvent(['*', mesh._id, deluser._id, user._id], obj, event);
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}
} else if (i.startsWith('node/')) {
// Get the node and the rights for this node
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obj.GetNodeWithRights(domain, deluser, i, function (node, rights, visible) {
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if ((node == null) || (node.links == null) || (node.links[deluser._id] == null)) return;
// Remove the link and save the node to the database
delete node.links[deluser._id];
if (Object.keys(node.links).length == 0) { delete node.links; }
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db.Set(obj.cleanDevice(node));
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// Event the node change
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var event = { etype: 'node', userid: user._id, username: user.name, action: 'changenode', nodeid: node._id, domain: domain.id, msg: ('Removed user device rights for ' + node.name), node: obj.CloneSafeNode(node) }
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if (db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to change the mesh. Another event will come.
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parent.DispatchEvent(['*', node.meshid, node._id], obj, event);
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});
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} else if (i.startsWith('ugrp/')) {
// Get the device group
var ugroup = obj.userGroups[i];
if (ugroup) {
// Remove user from the user group
if (ugroup.links[deluser._id] != null) { delete ugroup.links[deluser._id]; parent.db.Set(ugroup); }
// Notify user group change
var change = 'Removed user ' + deluser.name + ' from user group ' + ugroup.name;
var event = { etype: 'ugrp', userid: user._id, username: user.name, ugrpid: ugroup._id, name: ugroup.name, desc: ugroup.desc, action: 'usergroupchange', links: ugroup.links, msg: 'Removed user ' + deluser.name + ' from user group ' + ugroup.name, addUserDomain: domain.id };
if (db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to change the user group. Another event will come.
parent.DispatchEvent(['*', ugroup._id, user._id, deluser._id], obj, event);
}
}
}
}
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// Remove notes for this user
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obj.db.Remove('nt' + deluser._id);
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// Remove the user
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obj.db.Remove(deluser._id);
delete obj.users[deluser._id];
req.session = null;
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
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obj.parent.DispatchEvent(['*', 'server-users'], obj, { etype: 'user', userid: deluser._id, username: deluser.name, action: 'accountremove', msg: 'Account removed', domain: domain.id });
parent.debug('web', 'handleDeleteAccountRequest: removed user.');
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} else {
parent.debug('web', 'handleDeleteAccountRequest: auth failed.');
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
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}
});
}
// Check a user's password
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obj.checkUserPassword = function (domain, user, password, func) {
// Check the old password
if (user.passtype != null) {
// IIS default clear or weak password hashing (SHA-1)
require('./pass').iishash(user.passtype, password, user.salt, function (err, hash) {
if (err) { parent.debug('web', 'checkUserPassword: SHA-1 fail.'); return func(false); }
if (hash == user.hash) {
if ((user.siteadmin) && (user.siteadmin != 0xFFFFFFFF) && (user.siteadmin & 32) != 0) { parent.debug('web', 'checkUserPassword: SHA-1 locked.'); return func(false); } // Account is locked
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parent.debug('web', 'checkUserPassword: SHA-1 ok.');
return func(true); // Allow password change
}
func(false);
});
} else {
// Default strong password hashing (pbkdf2 SHA384)
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require('./pass').hash(password, user.salt, function (err, hash, tag) {
if (err) { parent.debug('web', 'checkUserPassword: pbkdf2 SHA384 fail.'); return func(false); }
if (hash == user.hash) {
if ((user.siteadmin) && (user.siteadmin != 0xFFFFFFFF) && (user.siteadmin & 32) != 0) { parent.debug('web', 'checkUserPassword: pbkdf2 SHA384 locked.'); return func(false); } // Account is locked
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parent.debug('web', 'checkUserPassword: pbkdf2 SHA384 ok.');
return func(true); // Allow password change
}
func(false);
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}, 0);
}
}
// Check a user's old passwords
// Callback: 0=OK, 1=OldPass, 2=CommonPass
obj.checkOldUserPasswords = function (domain, user, password, func) {
// Check how many old passwords we need to check
if ((domain.passwordrequirements != null) && (typeof domain.passwordrequirements.oldpasswordban == 'number') && (domain.passwordrequirements.oldpasswordban > 0)) {
if (user.oldpasswords != null) {
const extraOldPasswords = user.oldpasswords.length - domain.passwordrequirements.oldpasswordban;
if (extraOldPasswords > 0) { user.oldpasswords.splice(0, extraOldPasswords); }
}
} else {
delete user.oldpasswords;
}
// If there is no old passwords, exit now.
var oldPassCount = 1;
if (user.oldpasswords != null) { oldPassCount += user.oldpasswords.length; }
var oldPassCheckState = { response: 0, count: oldPassCount, user: user, func: func };
// Test against common passwords if this feature is enabled
// Example of common passwords: 123456789, password123
if ((domain.passwordrequirements != null) && (domain.passwordrequirements.bancommonpasswords == true)) {
oldPassCheckState.count++;
require('wildleek')(password).then(function (wild) {
if (wild == true) { oldPassCheckState.response = 2; }
if (--oldPassCheckState.count == 0) { oldPassCheckState.func(oldPassCheckState.response); }
});
}
// Try current password
require('./pass').hash(password, user.salt, function oldPassCheck(err, hash, tag) {
if ((err == null) && (hash == tag.user.hash)) { tag.response = 1; }
if (--tag.count == 0) { tag.func(tag.response); }
}, oldPassCheckState);
// Try each old password
if (user.oldpasswords != null) {
for (var i in user.oldpasswords) {
const oldpassword = user.oldpasswords[i];
// Default strong password hashing (pbkdf2 SHA384)
require('./pass').hash(password, oldpassword.salt, function oldPassCheck(err, hash, tag) {
if ((err == null) && (hash == tag.oldPassword.hash)) { tag.state.response = 1; }
if (--tag.state.count == 0) { tag.state.func(tag.state.response); }
}, { oldPassword: oldpassword, state: oldPassCheckState });
}
}
}
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// Handle password changes
function handlePasswordChangeRequest(req, res, direct) {
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const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
if ((domain.auth == 'sspi') || (domain.auth == 'ldap')) { parent.debug('web', 'handlePasswordChangeRequest: failed checks (1).'); res.sendStatus(404); return; }
if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.sendStatus(404); return; } // Check 3FA URL key
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// Check if the user is logged and we have all required parameters
if (!req.session || !req.session.userid || !req.body.apassword0 || !req.body.apassword1 || (req.body.apassword1 != req.body.apassword2) || (req.session.domainid != domain.id)) {
parent.debug('web', 'handlePasswordChangeRequest: failed checks (2).');
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
return;
}
// Get the current user
var user = obj.users[req.session.userid];
if (!user) {
parent.debug('web', 'handlePasswordChangeRequest: user not found.');
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
return;
}
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// Check account settings locked
if ((user.siteadmin != 0xFFFFFFFF) && ((user.siteadmin & 1024) != 0)) {
parent.debug('web', 'handlePasswordChangeRequest: account settings locked.');
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
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return;
}
// Check old password
obj.checkUserPassword(domain, user, req.body.apassword1, function (result) {
if (result == true) {
// Check if the new password is allowed, only do this if this feature is enabled.
parent.checkOldUserPasswords(domain, user, command.newpass, function (result) {
if (result == 1) {
parent.debug('web', 'handlePasswordChangeRequest: old password reuse attempt.');
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
} else if (result == 2) {
parent.debug('web', 'handlePasswordChangeRequest: commonly used password use attempt.');
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
} else {
// Update the password
require('./pass').hash(req.body.apassword1, function (err, salt, hash, tag) {
const nowSeconds = Math.floor(Date.now() / 1000);
if (err) { parent.debug('web', 'handlePasswordChangeRequest: hash error.'); throw err; }
if (domain.passwordrequirements != null) {
// Save password hint if this feature is enabled
if ((domain.passwordrequirements.hint === true) && (req.body.apasswordhint)) { var hint = req.body.apasswordhint; if (hint.length > 250) hint = hint.substring(0, 250); user.passhint = hint; } else { delete user.passhint; }
// Save previous password if this feature is enabled
if ((typeof domain.passwordrequirements.oldpasswordban == 'number') && (domain.passwordrequirements.oldpasswordban > 0)) {
if (user.oldpasswords == null) { user.oldpasswords = []; }
user.oldpasswords.push({ salt: user.salt, hash: user.hash, start: user.passchange, end: nowSeconds });
const extraOldPasswords = user.oldpasswords.length - domain.passwordrequirements.oldpasswordban;
if (extraOldPasswords > 0) { user.oldpasswords.splice(0, extraOldPasswords); }
}
}
user.salt = salt;
user.hash = hash;
user.passchange = nowSeconds;
delete user.passtype;
obj.db.SetUser(user);
req.session.viewmode = 2;
if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); }
obj.parent.DispatchEvent(['*', 'server-users'], obj, { etype: 'user', userid: user._id, username: user.name, action: 'passchange', msg: 'Account password changed: ' + user.name, domain: domain.id });
}, 0);
}
});
}
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});
}
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// Called when a strategy login occured
// This is called after a succesful Oauth to Twitter, Google, GitHub...
function handleStrategyLogin(req, res) {
const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
parent.debug('web', 'handleStrategyLogin: ' + JSON.stringify(req.user));
if ((req.user != null) && (req.user.sid != null)) {
const userid = 'user/' + domain.id + '/' + req.user.sid;
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var user = obj.users[userid];
if (user == null) {
var newAccountAllowed = false;
var newAccountRealms = null;
if (domain.newaccounts === true) { newAccountAllowed = true; }
if (obj.common.validateStrArray(domain.newaccountrealms)) { newAccountRealms = domain.newaccountrealms; }
if ((domain.authstrategies != null) && (domain.authstrategies[req.user.strategy] != null)) {
if (domain.authstrategies[req.user.strategy].newaccounts === true) { newAccountAllowed = true; }
if (obj.common.validateStrArray(domain.authstrategies[req.user.strategy].newaccountrealms)) { newAccountRealms = domain.authstrategies[req.user.strategy].newaccountrealms; }
}
if (newAccountAllowed === true) {
// Create the user
parent.debug('web', 'handleStrategyLogin: creating new user: ' + userid);
user = { type: 'user', _id: userid, name: req.user.name, email: req.user.email, creation: Math.floor(Date.now() / 1000), domain: domain.id };
if (req.user.email != null) { user.email = req.user.email; user.emailVerified = true; }
if (domain.newaccountsrights) { user.siteadmin = domain.newaccountsrights; } // New accounts automatically assigned server rights.
if (domain.authstrategies[req.user.strategy].newaccountsrights) { user.siteadmin = obj.common.meshServerRightsArrayToNumber(domain.authstrategies[req.user.strategy].newaccountsrights); } // If there are specific SSO server rights, use these instead.
if (newAccountRealms) { user.groups = newAccountRealms; } // New accounts automatically part of some groups (Realms).
obj.users[userid] = user;
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// Auto-join any user groups
var newaccountsusergroups = null;
if (typeof domain.newaccountsusergroups == 'object') { newaccountsusergroups = domain.newaccountsusergroups; }
if (typeof domain.authstrategies[req.user.strategy].newaccountsusergroups == 'object') { newaccountsusergroups = domain.authstrategies[req.user.strategy].newaccountsusergroups; }
if (newaccountsusergroups) {
for (var i in newaccountsusergroups) {
var ugrpid = newaccountsusergroups[i];
if (ugrpid.indexOf('/') < 0) { ugrpid = 'ugrp/' + domain.id + '/' + ugrpid; }
var ugroup = obj.userGroups[ugrpid];
if (ugroup != null) {
// Add group to the user
if (user.links == null) { user.links = {}; }
user.links[ugroup._id] = { rights: 1 };
// Add user to the group
ugroup.links[user._id] = { userid: user._id, name: user.name, rights: 1 };
db.Set(ugroup);
// Notify user group change
var event = { etype: 'ugrp', ugrpid: ugroup._id, name: ugroup.name, desc: ugroup.desc, action: 'usergroupchange', links: ugroup.links, msg: 'Added user ' + user.name + ' to user group ' + ugroup.name, addUserDomain: domain.id };
if (db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to change the user group. Another event will come.
parent.DispatchEvent(['*', ugroup._id, user._id], obj, event);
}
}
}
// Save the user
obj.db.SetUser(user);
// Event user creation
var targets = ['*', 'server-users'];
var event = { etype: 'user', userid: user._id, username: user.name, account: obj.CloneSafeUser(user), action: 'accountcreate', msg: 'Account created, username is ' + user.name, domain: domain.id };
if (db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to create the user. Another event will come.
parent.DispatchEvent(targets, obj, event);
req.session.userid = userid;
req.session.domainid = domain.id;
} else {
// New users not allowed
parent.debug('web', 'handleStrategyLogin: Can\'t create new accounts');
req.session.loginmode = '1';
req.session.messageid = 100; // Unable to create account.
res.redirect(domain.url + getQueryPortion(req));
return;
}
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} else {
// Login success
var userChange = false;
if ((req.user.name != null) && (req.user.name != user.name)) { user.name = req.user.name; userChange = true; }
if ((req.user.email != null) && (req.user.email != user.email)) { user.email = req.user.email; user.emailVerified = true; userChange = true; }
if (userChange) {
obj.db.SetUser(user);
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// Event user creation
var targets = ['*', 'server-users'];
var event = { etype: 'user', userid: user._id, username: user.name, account: obj.CloneSafeUser(user), action: 'accountchange', msg: 'Account changed', domain: domain.id };
if (db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to create the user. Another event will come.
parent.DispatchEvent(targets, obj, event);
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}
parent.debug('web', 'handleStrategyLogin: succesful login: ' + userid);
req.session.userid = userid;
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req.session.domainid = domain.id;
}
}
//res.redirect(domain.url); // This does not handle cookie correctly.
res.set('Content-Type', 'text/html');
res.end('<html><head><meta http-equiv="refresh" content=0;url="' + domain.url + '"></head><body></body></html>');
}
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// Indicates that any request to "/" should render "default" or "login" depending on login state
function handleRootRequest(req, res, direct) {
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const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.sendStatus(404); return; } // Check 3FA URL key
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if (!obj.args) { parent.debug('web', 'handleRootRequest: no obj.args.'); res.sendStatus(500); return; }
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// Check if we are in maintenance mode
if ((parent.config.settings.maintenancemode != null) && (req.query.admin !== '1')) {
parent.debug('web', 'handleLoginRequest: Server under maintenance.');
render(req, res, getRenderPage((domain.sitestyle == 2) ? 'message2' : 'message', req, domain), getRenderArgs({ titleid: 3, msgid: 13, domainurl: encodeURIComponent(domain.url).replace(/'/g, '%27') }, req, domain));
return;
}
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if ((domain.sspi != null) && ((req.query.login == null) || (obj.parent.loginCookieEncryptionKey == null))) {
// Login using SSPI
domain.sspi.authenticate(req, res, function (err) {
if ((err != null) || (req.connection.user == null)) {
if (obj.parent.authlog) { obj.parent.authLog('https', 'Failed SSPI-auth for ' + req.connection.user + ' from ' + req.clientIp + ' port ' + req.connection.remotePort); }
parent.debug('web', 'handleRootRequest: SSPI auth required.');
res.end('Authentication Required...');
} else {
if (obj.parent.authlog) { obj.parent.authLog('https', 'Accepted SSPI-auth for ' + req.connection.user + ' from ' + req.clientIp + ' port ' + req.connection.remotePort); }
parent.debug('web', 'handleRootRequest: SSPI auth ok.');
handleRootRequestEx(req, res, domain, direct);
}
});
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} else if (req.query.user && req.query.pass) {
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// User credentials are being passed in the URL. WARNING: Putting credentials in a URL is bad security... but people are requesting this option.
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obj.authenticate(req.query.user, req.query.pass, domain, function (err, userid) {
if (obj.parent.authlog) { obj.parent.authLog('https', 'Accepted password for ' + req.connection.user + ' from ' + req.clientIp + ' port ' + req.connection.remotePort); }
parent.debug('web', 'handleRootRequest: user/pass in URL auth ok.');
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req.session.userid = userid;
req.session.domainid = domain.id;
req.session.currentNode = '';
req.session.ip = req.clientIp; // Bind this session to the IP address of the request
handleRootRequestEx(req, res, domain, direct);
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});
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} else {
// Login using a different system
handleRootRequestEx(req, res, domain, direct);
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}
}
function handleRootRequestEx(req, res, domain, direct) {
var nologout = false, user = null, features = 0, features2 = 0;
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res.set({ 'Cache-Control': 'no-store' });
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// Check if we have an incomplete domain name in the path
if ((domain.id != '') && (domain.dns == null) && (req.url.split('/').length == 2)) {
parent.debug('web', 'handleRootRequestEx: incomplete domain name in the path.');
res.redirect(domain.url + getQueryPortion(req)); // BAD***
return;
}
2018-01-03 03:52:49 +03:00
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if (obj.args.nousers == true) {
// If in single user mode, setup things here.
if (req.session && req.session.loginmode) { delete req.session.loginmode; }
req.session.userid = 'user/' + domain.id + '/~';
req.session.domainid = domain.id;
req.session.currentNode = '';
req.session.ip = req.clientIp; // Bind this session to the IP address of the request
if (obj.users[req.session.userid] == null) {
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// Create the dummy user ~ with impossible password
parent.debug('web', 'handleRootRequestEx: created dummy user in nouser mode.');
obj.users[req.session.userid] = { type: 'user', _id: req.session.userid, name: '~', email: '~', domain: domain.id, siteadmin: 4294967295 };
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obj.db.SetUser(obj.users[req.session.userid]);
}
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} else if (obj.args.user && obj.users['user/' + domain.id + '/' + obj.args.user.toLowerCase()]) {
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// If a default user is active, setup the session here.
parent.debug('web', 'handleRootRequestEx: auth using default user.');
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if (req.session && req.session.loginmode) { delete req.session.loginmode; }
req.session.userid = 'user/' + domain.id + '/' + obj.args.user.toLowerCase();
req.session.domainid = domain.id;
req.session.currentNode = '';
req.session.ip = req.clientIp; // Bind this session to the IP address of the request
} else if (req.query.login && (obj.parent.loginCookieEncryptionKey != null)) {
var loginCookie = obj.parent.decodeCookie(req.query.login, obj.parent.loginCookieEncryptionKey, 60); // 60 minute timeout
//if ((loginCookie != null) && (obj.args.cookieipcheck !== false) && (loginCookie.ip != null) && (loginCookie.ip != req.clientIp)) { loginCookie = null; } // If the cookie if binded to an IP address, check here.
if ((loginCookie != null) && (loginCookie.a == 3) && (loginCookie.u != null) && (loginCookie.u.split('/')[1] == domain.id)) {
// If a login cookie was provided, setup the session here.
parent.debug('web', 'handleRootRequestEx: cookie auth ok.');
if (req.session && req.session.loginmode) { delete req.session.loginmode; }
req.session.userid = loginCookie.u;
req.session.domainid = domain.id;
req.session.currentNode = '';
req.session.ip = req.clientIp; // Bind this session to the IP address of the request
} else {
parent.debug('web', 'handleRootRequestEx: cookie auth failed.');
}
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} else if (domain.sspi != null) {
// SSPI login (Windows only)
//console.log(req.connection.user, req.connection.userSid);
if ((req.connection.user == null) || (req.connection.userSid == null)) {
parent.debug('web', 'handleRootRequestEx: SSPI no user auth.');
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res.sendStatus(404); return;
} else {
nologout = true;
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req.session.userid = 'user/' + domain.id + '/' + req.connection.user.toLowerCase();
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req.session.usersid = req.connection.userSid;
req.session.usersGroups = req.connection.userGroups;
req.session.domainid = domain.id;
req.session.currentNode = '';
req.session.ip = req.clientIp; // Bind this session to the IP address of the request
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// Check if this user exists, create it if not.
user = obj.users[req.session.userid];
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if ((user == null) || (user.sid != req.session.usersid)) {
// Create the domain user
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var usercount = 0, user2 = { type: 'user', _id: req.session.userid, name: req.connection.user, domain: domain.id, sid: req.session.usersid, creation: Math.floor(Date.now() / 1000), login: Math.floor(Date.now() / 1000) };
if (domain.newaccountsrights) { user2.siteadmin = domain.newaccountsrights; }
if (obj.common.validateStrArray(domain.newaccountrealms)) { user2.groups = domain.newaccountrealms; }
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for (var i in obj.users) { if (obj.users[i].domain == domain.id) { usercount++; } }
if (usercount == 0) { user2.siteadmin = 4294967295; } // If this is the first user, give the account site admin.
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// Auto-join any user groups
if (typeof domain.newaccountsusergroups == 'object') {
for (var i in domain.newaccountsusergroups) {
var ugrpid = domain.newaccountsusergroups[i];
if (ugrpid.indexOf('/') < 0) { ugrpid = 'ugrp/' + domain.id + '/' + ugrpid; }
var ugroup = obj.userGroups[ugrpid];
if (ugroup != null) {
// Add group to the user
if (user2.links == null) { user2.links = {}; }
user2.links[ugroup._id] = { rights: 1 };
// Add user to the group
ugroup.links[user2._id] = { userid: user2._id, name: user2.name, rights: 1 };
db.Set(ugroup);
// Notify user group change
var event = { etype: 'ugrp', ugrpid: ugroup._id, name: ugroup.name, desc: ugroup.desc, action: 'usergroupchange', links: ugroup.links, msg: 'Added user ' + user2.name + ' to user group ' + ugroup.name, addUserDomain: domain.id };
if (db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to change the user group. Another event will come.
parent.DispatchEvent(['*', ugroup._id, user2._id], obj, event);
}
}
}
obj.users[req.session.userid] = user2;
obj.db.SetUser(user2);
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var event = { etype: 'user', userid: req.session.userid, username: req.connection.user, account: obj.CloneSafeUser(user2), action: 'accountcreate', msg: 'Domain account created, user ' + req.connection.user, domain: domain.id };
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if (obj.db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to create the user. Another event will come.
obj.parent.DispatchEvent(['*', 'server-users'], obj, event);
parent.debug('web', 'handleRootRequestEx: SSPI new domain user.');
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}
}
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}
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// Figure out the minimal password requirement
var passRequirements = null;
if (domain.passwordrequirements != null) {
if (domain.passrequirementstr == null) {
var passRequirements = {};
if (typeof domain.passwordrequirements.min == 'number') { passRequirements.min = domain.passwordrequirements.min; }
if (typeof domain.passwordrequirements.max == 'number') { passRequirements.max = domain.passwordrequirements.max; }
if (typeof domain.passwordrequirements.upper == 'number') { passRequirements.upper = domain.passwordrequirements.upper; }
if (typeof domain.passwordrequirements.lower == 'number') { passRequirements.lower = domain.passwordrequirements.lower; }
if (typeof domain.passwordrequirements.numeric == 'number') { passRequirements.numeric = domain.passwordrequirements.numeric; }
if (typeof domain.passwordrequirements.nonalpha == 'number') { passRequirements.nonalpha = domain.passwordrequirements.nonalpha; }
domain.passwordrequirementsstr = encodeURIComponent(JSON.stringify(passRequirements));
}
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passRequirements = domain.passwordrequirementsstr;
}
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// If a user exists and is logged in, serve the default app, otherwise server the login app.
if (req.session && req.session.userid && obj.users[req.session.userid]) {
var user = obj.users[req.session.userid];
if (req.session.domainid != domain.id) { // Check if the session is for the correct domain
parent.debug('web', 'handleRootRequestEx: incorrect domain.');
req.session = null;
res.redirect(domain.url + getQueryPortion(req)); // BAD***
return;
}
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// Check if this is a locked account
if ((user.siteadmin != null) && ((user.siteadmin & 32) != 0) && (user.siteadmin != 0xFFFFFFFF)) {
// Locked account
parent.debug('web', 'handleRootRequestEx: locked account.');
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delete req.session.userid;
delete req.session.domainid;
delete req.session.currentNode;
delete req.session.passhint;
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delete req.session.cuserid;
req.session.messageid = 110; // Account locked.
res.redirect(domain.url + getQueryPortion(req)); // BAD***
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return;
}
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var viewmode = 1;
if (req.session.viewmode) {
viewmode = req.session.viewmode;
delete req.session.viewmode;
} else if (req.query.viewmode) {
viewmode = req.query.viewmode;
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}
var currentNode = '';
if (req.session.currentNode) {
currentNode = req.session.currentNode;
delete req.session.currentNode;
} else if (req.query.node) {
currentNode = 'node/' + domain.id + '/' + req.query.node;
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}
var logoutcontrols = {};
if (obj.args.nousers != true) { logoutcontrols.name = user.name; }
// Give the web page a list of supported server features
features = 0;
features2 = 0;
if (obj.args.wanonly == true) { features += 0x00000001; } // WAN-only mode
if (obj.args.lanonly == true) { features += 0x00000002; } // LAN-only mode
if (obj.args.nousers == true) { features += 0x00000004; } // Single user mode
if (domain.userQuota == -1) { features += 0x00000008; } // No server files mode
if (obj.args.mpstlsoffload) { features += 0x00000010; } // No mutual-auth CIRA
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if ((parent.config.settings.allowframing != null) || (domain.allowframing != null)) { features += 0x00000020; } // Allow site within iframe
if ((obj.parent.mailserver != null) && (obj.parent.certificates.CommonName != null) && (obj.parent.certificates.CommonName.indexOf('.') != -1) && (obj.args.lanonly != true)) { features += 0x00000040; } // Email invites
if (obj.args.webrtc == true) { features += 0x00000080; } // Enable WebRTC (Default false for now)
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// 0x00000100 --> This feature flag is free for future use.
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if (obj.args.allowhighqualitydesktop !== false) { features += 0x00000200; } // Enable AllowHighQualityDesktop (Default true)
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if ((obj.args.lanonly == true) || (obj.args.mpsport == 0)) { features += 0x00000400; } // No CIRA
if ((obj.parent.serverSelfWriteAllowed == true) && (user != null) && (user.siteadmin == 0xFFFFFFFF)) { features += 0x00000800; } // Server can self-write (Allows self-update)
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if ((parent.config.settings.no2factorauth !== true) && (domain.auth != 'sspi') && (obj.parent.certificates.CommonName.indexOf('.') != -1) && (obj.args.nousers !== true) && (user._id.split('/')[2][0] != '~')) { features += 0x00001000; } // 2FA login supported
if (domain.agentnoproxy === true) { features += 0x00002000; } // Indicates that agents should be installed without using a HTTP proxy
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if ((parent.config.settings.no2factorauth !== true) && domain.yubikey && domain.yubikey.id && domain.yubikey.secret && (user._id.split('/')[2][0] != '~')) { features += 0x00004000; } // Indicates Yubikey support
if (domain.geolocation == true) { features += 0x00008000; } // Enable geo-location features
if ((domain.passwordrequirements != null) && (domain.passwordrequirements.hint === true)) { features += 0x00010000; } // Enable password hints
if (parent.config.settings.no2factorauth !== true) { features += 0x00020000; } // Enable WebAuthn/FIDO2 support
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if ((obj.args.nousers != true) && (domain.passwordrequirements != null) && (domain.passwordrequirements.force2factor === true) && (user._id.split('/')[2][0] != '~')) {
// Check if we can skip 2nd factor auth because of the source IP address
var skip2factor = false;
if ((req != null) && (req.clientIp != null) && (domain.passwordrequirements != null) && (domain.passwordrequirements.skip2factor != null)) {
for (var i in domain.passwordrequirements.skip2factor) {
if (require('ipcheck').match(req.clientIp, domain.passwordrequirements.skip2factor[i]) === true) { skip2factor = true; }
}
}
if (skip2factor == false) { features += 0x00040000; } // Force 2-factor auth
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}
if ((domain.auth == 'sspi') || (domain.auth == 'ldap')) { features += 0x00080000; } // LDAP or SSPI in use, warn that users must login first before adding a user to a group.
if (domain.amtacmactivation) { features += 0x00100000; } // Intel AMT ACM activation/upgrade is possible
if (domain.usernameisemail) { features += 0x00200000; } // Username is email address
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if (parent.mqttbroker != null) { features += 0x00400000; } // This server supports MQTT channels
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if (((typeof domain.passwordrequirements != 'object') || (domain.passwordrequirements.email2factor != false)) && (parent.mailserver != null)) { features += 0x00800000; } // using email for 2FA is allowed
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if (domain.agentinvitecodes == true) { features += 0x01000000; } // Support for agent invite codes
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if (parent.smsserver != null) { features += 0x02000000; } // SMS messaging is supported
if ((parent.smsserver != null) && ((typeof domain.passwordrequirements != 'object') || (domain.passwordrequirements.sms2factor != false))) { features += 0x04000000; } // SMS 2FA is allowed
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if (domain.sessionrecording != null) { features += 0x08000000; } // Server recordings enabled
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if (domain.urlswitching === false) { features += 0x10000000; } // Disables the URL switching feature
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if (domain.novnc === false) { features += 0x20000000; } // Disables noVNC
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if (domain.mstsc !== true) { features += 0x40000000; } // Disables MSTSC.js
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if (obj.isTrustedCert(domain) == false) { features += 0x80000000; } // Indicate we are not using a trusted certificate
if (obj.parent.amtManager != null) { features2 += 1; } // Indicates that the Intel AMT manager is active
// Create a authentication cookie
const authCookie = obj.parent.encodeCookie({ userid: user._id, domainid: domain.id, ip: req.clientIp }, obj.parent.loginCookieEncryptionKey);
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const authRelayCookie = obj.parent.encodeCookie({ ruserid: user._id, domainid: domain.id }, obj.parent.loginCookieEncryptionKey);
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// Send the main web application
var extras = (req.query.key != null) ? ('&key=' + req.query.key) : '';
if ((!obj.args.user) && (obj.args.nousers != true) && (nologout == false)) { logoutcontrols.logoutUrl = (domain.url + 'logout?' + Math.random() + extras); } // If a default user is in use or no user mode, don't display the logout button
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var httpsPort = ((obj.args.aliasport == null) ? obj.args.port : obj.args.aliasport); // Use HTTPS alias port is specified
2018-08-24 02:55:06 +03:00
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// Clean up the U2F challenge if needed
if (req.session.u2fchallenge) { delete req.session.u2fchallenge; };
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// Intel AMT Scanning options
var amtscanoptions = '';
if (typeof domain.amtscanoptions == 'string') { amtscanoptions = encodeURIComponent(domain.amtscanoptions); }
else if (obj.common.validateStrArray(domain.amtscanoptions)) { domain.amtscanoptions = domain.amtscanoptions.join(','); amtscanoptions = encodeURIComponent(domain.amtscanoptions); }
// Fetch the web state
parent.debug('web', 'handleRootRequestEx: success.');
obj.db.Get('ws' + user._id, function (err, states) {
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var webstate = (states.length == 1) ? obj.filterUserWebState(states[0].state) : '';
if ((webstate == '') && (typeof domain.defaultuserwebstate == 'object')) { webstate = JSON.stringify(domain.defaultuserwebstate); } // User has no web state, use defaults.
if (typeof domain.forceduserwebstate == 'object') { // Forces initial user web state is present, use it.
var webstate2 = {};
try { if (webstate != '') { webstate2 = JSON.parse(webstate); } } catch (ex) { }
for (var i in domain.forceduserwebstate) { webstate2[i] = domain.forceduserwebstate[i]; }
webstate = JSON.stringify(webstate2);
}
// Custom user interface
var customui = '';
if (domain.customui != null) { customui = encodeURIComponent(JSON.stringify(domain.customui)); }
// Server features
var serverFeatures = 127;
if (domain.myserver === false) { serverFeatures = 0; } // 64 = Show "My Server" tab
else if (typeof domain.myserver == 'object') {
if (domain.myserver.backup !== true) { serverFeatures -= 1; } // Disallow simple server backups
if (domain.myserver.restore !== true) { serverFeatures -= 2; } // Disallow simple server restore
if (domain.myserver.upgrade !== true) { serverFeatures -= 4; } // Disallow server upgrade
if (domain.myserver.errorlog !== true) { serverFeatures -= 8; } // Disallow show server crash log
if (domain.myserver.console !== true) { serverFeatures -= 16; } // Disallow server console
if (domain.myserver.trace !== true) { serverFeatures -= 32; } // Disallow server tracing
}
if (obj.db.databaseType != 1) { // If not using NeDB, we can't backup using the simple system.
if ((serverFeatures & 1) != 0) { serverFeatures -= 1; } // Disallow server backups
if ((serverFeatures & 2) != 0) { serverFeatures -= 2; } // Disallow simple server restore
}
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// Refresh the session
render(req, res, getRenderPage('default', req, domain), getRenderArgs({
authCookie: authCookie,
authRelayCookie: authRelayCookie,
viewmode: viewmode,
currentNode: currentNode,
logoutControls: encodeURIComponent(JSON.stringify(logoutcontrols)).replace(/'/g, '%27'),
domain: domain.id,
debuglevel: parent.debugLevel,
serverDnsName: obj.getWebServerName(domain),
serverRedirPort: args.redirport,
serverPublicPort: httpsPort,
serverfeatures: serverFeatures,
features: features,
features2: features2,
sessiontime: args.sessiontime,
mpspass: args.mpspass,
passRequirements: passRequirements,
customui: customui,
webcerthash: Buffer.from(obj.webCertificateFullHashs[domain.id], 'binary').toString('base64').replace(/\+/g, '@').replace(/\//g, '$'),
footer: (domain.footer == null) ? '' : domain.footer,
webstate: encodeURIComponent(webstate).replace(/'/g, '%27'),
amtscanoptions: amtscanoptions,
pluginHandler: (parent.pluginHandler == null) ? 'null' : parent.pluginHandler.prepExports()
}, req, domain));
});
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} else {
// Send back the login application
// If this is a 2 factor auth request, look for a hardware key challenge.
// Normal login 2 factor request
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if (req.session && (req.session.loginmode == '4') && (req.session.tokenuserid)) {
var user = obj.users[req.session.tokenuserid];
if (user != null) {
parent.debug('web', 'handleRootRequestEx: sending 2FA challenge.');
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getHardwareKeyChallenge(req, domain, user, function (hwchallenge) { handleRootRequestLogin(req, res, domain, hwchallenge, passRequirements); });
return;
}
}
// Password recovery 2 factor request
if (req.session && (req.session.loginmode == '5') && (req.session.tokenemail)) {
obj.db.GetUserWithVerifiedEmail(domain.id, req.session.tokenemail, function (err, docs) {
if ((err != null) || (docs.length == 0)) {
parent.debug('web', 'handleRootRequestEx: password recover 2FA fail.');
req.session = null;
res.redirect(domain.url + getQueryPortion(req)); // BAD***
} else {
var user = obj.users[docs[0]._id];
if (user != null) {
parent.debug('web', 'handleRootRequestEx: password recover 2FA challenge.');
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getHardwareKeyChallenge(req, domain, user, function (hwchallenge) { handleRootRequestLogin(req, res, domain, hwchallenge, passRequirements); });
} else {
parent.debug('web', 'handleRootRequestEx: password recover 2FA no user.');
req.session = null;
res.redirect(domain.url + getQueryPortion(req)); // BAD***
}
}
});
return;
}
handleRootRequestLogin(req, res, domain, '', passRequirements);
}
}
function handleRootRequestLogin(req, res, domain, hardwareKeyChallenge, passRequirements) {
parent.debug('web', 'handleRootRequestLogin()');
var features = 0;
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if ((parent.config != null) && (parent.config.settings != null) && ((parent.config.settings.allowframing == true) || (typeof parent.config.settings.allowframing == 'string'))) { features += 32; } // Allow site within iframe
if (domain.usernameisemail) { features += 0x00200000; } // Username is email address
var httpsPort = ((obj.args.aliasport == null) ? obj.args.port : obj.args.aliasport); // Use HTTPS alias port is specified
var loginmode = '';
if (req.session) { loginmode = req.session.loginmode; delete req.session.loginmode; } // Clear this state, if the user hits refresh, we want to go back to the login page.
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// Format an error message if needed
var passhint = null, msgid = 0;
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if (req.session != null) {
msgid = req.session.messageid;
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if ((loginmode == '7') || ((domain.passwordrequirements != null) && (domain.passwordrequirements.hint === true))) { passhint = EscapeHtml(req.session.passhint); }
delete req.session.messageid;
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delete req.session.passhint;
}
var emailcheck = ((obj.parent.mailserver != null) && (obj.parent.certificates.CommonName != null) && (obj.parent.certificates.CommonName.indexOf('.') != -1) && (obj.args.lanonly != true) && (domain.auth != 'sspi') && (domain.auth != 'ldap'))
// Check if we are allowed to create new users using the login screen
var newAccountsAllowed = true;
if ((domain.newaccounts !== 1) && (domain.newaccounts !== true)) { for (var i in obj.users) { if (obj.users[i].domain == domain.id) { newAccountsAllowed = false; break; } } }
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if (parent.config.settings.maintenancemode != null) { newAccountsAllowed = false; }
// Encrypt the hardware key challenge state if needed
var hwstate = null;
if (hardwareKeyChallenge) { hwstate = obj.parent.encodeCookie({ u: req.session.tokenusername, p: req.session.tokenpassword, c: req.session.u2fchallenge }, obj.parent.loginCookieEncryptionKey) }
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// Check if we can use OTP tokens with email
var otpemail = (parent.mailserver != null) && (req.session != null) && ((req.session.tokenemail == true) || (typeof req.session.tokenemail == 'string'));
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if ((typeof domain.passwordrequirements == 'object') && (domain.passwordrequirements.email2factor == false)) { otpemail = false; }
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var otpsms = (parent.smsserver != null) && (req.session != null) && (req.session.tokensms == true);
if ((typeof domain.passwordrequirements == 'object') && (domain.passwordrequirements.sms2factor == false)) { otpsms = false; }
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// See if we support two-factor trusted cookies
var twoFactorCookieDays = 30;
if (typeof domain.twofactorcookiedurationdays == 'number') { twoFactorCookieDays = domain.twofactorcookiedurationdays; }
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// See what authentication strategies we have
var authStrategies = [];
if (typeof domain.authstrategies == 'object') {
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if (typeof domain.authstrategies.twitter == 'object') { authStrategies.push('twitter'); }
if (typeof domain.authstrategies.google == 'object') { authStrategies.push('google'); }
if (typeof domain.authstrategies.github == 'object') { authStrategies.push('github'); }
if (typeof domain.authstrategies.reddit == 'object') { authStrategies.push('reddit'); }
if (typeof domain.authstrategies.azure == 'object') { authStrategies.push('azure'); }
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if (typeof domain.authstrategies.intel == 'object') { authStrategies.push('intel'); }
if (typeof domain.authstrategies.jumpcloud == 'object') { authStrategies.push('jumpcloud'); }
if (typeof domain.authstrategies.saml == 'object') { authStrategies.push('saml'); }
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}
// Custom user interface
var customui = '';
if (domain.customui != null) { customui = encodeURIComponent(JSON.stringify(domain.customui)); }
// Render the login page
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render(req, res, getRenderPage((domain.sitestyle == 2) ? 'login2' : 'login', req, domain), getRenderArgs({ loginmode: loginmode, rootCertLink: getRootCertLink(), newAccount: newAccountsAllowed, newAccountPass: (((domain.newaccountspass == null) || (domain.newaccountspass == '')) ? 0 : 1), serverDnsName: obj.getWebServerName(domain), serverPublicPort: httpsPort, emailcheck: emailcheck, features: features, sessiontime: args.sessiontime, passRequirements: passRequirements, customui: customui, footer: (domain.footer == null) ? '' : domain.footer, hkey: encodeURIComponent(hardwareKeyChallenge).replace(/'/g, '%27'), messageid: msgid, passhint: passhint, welcometext: domain.welcometext ? encodeURIComponent(domain.welcometext).split('\'').join('\\\'') : null, hwstate: hwstate, otpemail: otpemail, otpsms: otpsms, twoFactorCookieDays: twoFactorCookieDays, authStrategies: authStrategies.join(','), loginpicture: (typeof domain.loginpicture == 'string') }, req, domain, (domain.sitestyle == 2) ? 'login2' : 'login'));
}
// Handle a post request on the root
function handleRootPostRequest(req, res) {
const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.end("Not Found"); return; } // Check 3FA URL key
parent.debug('web', 'handleRootPostRequest, action: ' + req.body.action);
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switch (req.body.action) {
case 'login': { handleLoginRequest(req, res, true); break; }
case 'tokenlogin': {
if (req.body.hwstate) {
var cookie = obj.parent.decodeCookie(req.body.hwstate, obj.parent.loginCookieEncryptionKey, 10);
if (cookie != null) { req.session.tokenusername = cookie.u; req.session.tokenpassword = cookie.p; req.session.u2fchallenge = cookie.c; }
}
handleLoginRequest(req, res, true); break;
}
case 'changepassword': { handlePasswordChangeRequest(req, res, true); break; }
case 'deleteaccount': { handleDeleteAccountRequest(req, res, true); break; }
case 'createaccount': { handleCreateAccountRequest(req, res, true); break; }
case 'resetpassword': { handleResetPasswordRequest(req, res, true); break; }
case 'resetaccount': { handleResetAccountRequest(req, res, true); break; }
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case 'checkemail': { handleCheckAccountEmailRequest(req, res, true); break; }
default: { handleLoginRequest(req, res, true); break; }
}
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}
// Return true if it looks like we are using a real TLS certificate.
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obj.isTrustedCert = function (domain) {
if ((domain != null) && (typeof domain.trustedcert == 'boolean')) return domain.trustedcert; // If the status of the cert specified, use that.
if (typeof obj.args.trustedcert == 'boolean') return obj.args.trustedcert; // If the status of the cert specified, use that.
if (obj.args.tlsoffload != null) return true; // We are using TLS offload, a real cert is likely used.
if (obj.parent.config.letsencrypt != null) return (obj.parent.config.letsencrypt.production === true); // We are using Let's Encrypt, real cert in use if production is set to true.
if (obj.certificates.WebIssuer.indexOf('MeshCentralRoot-') == 0) return false; // Our cert is issued by self-signed cert.
if (obj.certificates.CommonName.indexOf('.') == -1) return false; // Our cert is named with a fake name
return true; // This is a guess
}
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// Get the link to the root certificate if needed
function getRootCertLink() {
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// Check if the HTTPS certificate is issued from MeshCentralRoot, if so, add download link to root certificate.
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if ((obj.args.tlsoffload == null) && (obj.parent.config.letsencrypt == null) && (obj.tlsSniCredentials == null) && (obj.certificates.WebIssuer.indexOf('MeshCentralRoot-') == 0) && (obj.certificates.CommonName.indexOf('.') != -1)) { return '<a href=/MeshServerRootCert.cer title="Download the root certificate for this server">Root Certificate</a>'; }
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return '';
}
// Serve the xterm page
function handleXTermRequest(req, res) {
const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.sendStatus(404); return; } // Check 3FA URL key
parent.debug('web', 'handleXTermRequest: sending xterm');
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res.set({ 'Cache-Control': 'no-store' });
if (req.session && req.session.userid) {
if (req.session.domainid != domain.id) { res.redirect(domain.url + getQueryPortion(req)); return; } // Check if the session is for the correct domain
var user = obj.users[req.session.userid];
if ((user == null) || (req.query.nodeid == null)) { res.redirect(domain.url + getQueryPortion(req)); return; } // Check if the user exists
// Check permissions
obj.GetNodeWithRights(domain, user, req.query.nodeid, function (node, rights, visible) {
if ((node == null) || ((rights & 8) == 0) || ((rights != 0xFFFFFFFF) && ((rights & 512) != 0))) { res.redirect(domain.url + getQueryPortion(req)); return; }
var logoutcontrols = { name: user.name };
var extras = (req.query.key != null) ? ('&key=' + req.query.key) : '';
if ((domain.ldap == null) && (domain.sspi == null) && (obj.args.user == null) && (obj.args.nousers != true)) { logoutcontrols.logoutUrl = (domain.url + 'logout?' + Math.random() + extras); } // If a default user is in use or no user mode, don't display the logout button
// Create a authentication cookie
const authCookie = obj.parent.encodeCookie({ userid: user._id, domainid: domain.id, ip: req.clientIp }, obj.parent.loginCookieEncryptionKey);
const authRelayCookie = obj.parent.encodeCookie({ ruserid: user._id, domainid: domain.id }, obj.parent.loginCookieEncryptionKey);
var httpsPort = ((obj.args.aliasport == null) ? obj.args.port : obj.args.aliasport); // Use HTTPS alias port is specified
render(req, res, getRenderPage('xterm', req, domain), getRenderArgs({ serverDnsName: obj.getWebServerName(domain), serverRedirPort: args.redirport, serverPublicPort: httpsPort, authCookie: authCookie, authRelayCookie: authRelayCookie, logoutControls: encodeURIComponent(JSON.stringify(logoutcontrols)).replace(/'/g, '%27'), name: EscapeHtml(node.name) }, req, domain));
});
} else {
res.redirect(domain.url + getQueryPortion(req));
return;
}
}
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// Render the terms of service.
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function handleTermsRequest(req, res) {
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const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.sendStatus(404); return; } // Check 3FA URL key
// See if term.txt was loaded from the database
if ((parent.configurationFiles != null) && (parent.configurationFiles['terms.txt'] != null)) {
// Send the terms from the database
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res.set({ 'Cache-Control': 'no-store' });
if (req.session && req.session.userid) {
if (req.session.domainid != domain.id) { req.session = null; res.redirect(domain.url + getQueryPortion(req)); return; } // Check if the session is for the correct domain
var user = obj.users[req.session.userid];
var logoutcontrols = { name: user.name };
var extras = (req.query.key != null) ? ('&key=' + req.query.key) : '';
if ((domain.ldap == null) && (domain.sspi == null) && (obj.args.user == null) && (obj.args.nousers != true)) { logoutcontrols.logoutUrl = (domain.url + 'logout?' + Math.random() + extras); } // If a default user is in use or no user mode, don't display the logout button
render(req, res, getRenderPage('terms', req, domain), getRenderArgs({ terms: encodeURIComponent(parent.configurationFiles['terms.txt'].toString()).split('\'').join('\\\''), logoutControls: encodeURIComponent(JSON.stringify(logoutcontrols)).replace(/'/g, '%27') }, req, domain));
} else {
render(req, res, getRenderPage('terms', req, domain), getRenderArgs({ terms: encodeURIComponent(parent.configurationFiles['terms.txt'].toString()).split('\'').join('\\\''), logoutControls: encodeURIComponent('{}') }, req, domain));
}
} else {
// See if there is a terms.txt file in meshcentral-data
var p = obj.path.join(obj.parent.datapath, 'terms.txt');
if (obj.fs.existsSync(p)) {
obj.fs.readFile(p, 'utf8', function (err, data) {
if (err != null) { parent.debug('web', 'handleTermsRequest: no terms.txt'); res.sendStatus(404); return; }
// Send the terms from terms.txt
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res.set({ 'Cache-Control': 'no-store' });
if (req.session && req.session.userid) {
if (req.session.domainid != domain.id) { req.session = null; res.redirect(domain.url + getQueryPortion(req)); return; } // Check if the session is for the correct domain
var user = obj.users[req.session.userid];
var logoutcontrols = { name: user.name };
var extras = (req.query.key != null) ? ('&key=' + req.query.key) : '';
if ((domain.ldap == null) && (domain.sspi == null) && (obj.args.user == null) && (obj.args.nousers != true)) { logoutcontrols.logoutUrl = (domain.url + 'logout?' + Math.random() + extras); } // If a default user is in use or no user mode, don't display the logout button
render(req, res, getRenderPage('terms', req, domain), getRenderArgs({ terms: encodeURIComponent(data).split('\'').join('\\\''), logoutControls: encodeURIComponent(JSON.stringify(logoutcontrols)).replace(/'/g, '%27') }, req, domain));
} else {
render(req, res, getRenderPage('terms', req, domain), getRenderArgs({ terms: encodeURIComponent(data).split('\'').join('\\\''), logoutControls: encodeURIComponent('{}') }, req, domain));
}
});
} else {
// Send the default terms
parent.debug('web', 'handleTermsRequest: sending default terms');
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res.set({ 'Cache-Control': 'no-store' });
if (req.session && req.session.userid) {
if (req.session.domainid != domain.id) { req.session = null; res.redirect(domain.url + getQueryPortion(req)); return; } // Check if the session is for the correct domain
var user = obj.users[req.session.userid];
var logoutcontrols = { name: user.name };
var extras = (req.query.key != null) ? ('&key=' + req.query.key) : '';
if ((domain.ldap == null) && (domain.sspi == null) && (obj.args.user == null) && (obj.args.nousers != true)) { logoutcontrols.logoutUrl = (domain.url + 'logout?' + Math.random() + extras); } // If a default user is in use or no user mode, don't display the logout button
render(req, res, getRenderPage('terms', req, domain), getRenderArgs({ logoutControls: encodeURIComponent(JSON.stringify(logoutcontrols)).replace(/'/g, '%27') }, req, domain));
} else {
render(req, res, getRenderPage('terms', req, domain), getRenderArgs({ logoutControls: encodeURIComponent('{}') }, req, domain));
}
}
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}
}
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// Render the messenger application.
function handleMessengerRequest(req, res) {
const domain = getDomain(req);
if (domain == null) { parent.debug('web', 'handleMessengerRequest: no domain'); res.sendStatus(404); return; }
parent.debug('web', 'handleMessengerRequest()');
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// Check if we are in maintenance mode
if (parent.config.settings.maintenancemode != null) {
render(req, res, getRenderPage((domain.sitestyle == 2) ? 'message2' : 'message', req, domain), getRenderArgs({ titleid: 3, msgid: 13, domainurl: encodeURIComponent(domain.url).replace(/'/g, '%27') }, req, domain));
return;
}
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var webRtcConfig = null;
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if (obj.parent.config.settings && obj.parent.config.settings.webrtconfig && (typeof obj.parent.config.settings.webrtconfig == 'object')) { webRtcConfig = encodeURIComponent(JSON.stringify(obj.parent.config.settings.webrtconfig)).replace(/'/g, '%27'); }
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res.set({ 'Cache-Control': 'no-store' });
render(req, res, getRenderPage('messenger', req, domain), getRenderArgs({ webrtconfig: webRtcConfig }, req, domain));
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}
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// Returns the server root certificate encoded in base64
function getRootCertBase64() {
var rootcert = obj.certificates.root.cert;
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var i = rootcert.indexOf('-----BEGIN CERTIFICATE-----\r\n');
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if (i >= 0) { rootcert = rootcert.substring(i + 29); }
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i = rootcert.indexOf('-----END CERTIFICATE-----');
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if (i >= 0) { rootcert = rootcert.substring(i, 0); }
return Buffer.from(rootcert, 'base64').toString('base64');
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}
// Returns the mesh server root certificate
function handleRootCertRequest(req, res) {
const domain = getDomain(req);
if (domain == null) { parent.debug('web', 'handleRootCertRequest: no domain'); res.sendStatus(404); return; }
if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.sendStatus(404); return; } // Check 3FA URL key
if ((obj.userAllowedIp != null) && (checkIpAddressEx(req, res, obj.userAllowedIp, false) === false)) { parent.debug('web', 'handleRootCertRequest: invalid ip'); return; } // Check server-wide IP filter only.
parent.debug('web', 'handleRootCertRequest()');
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setContentDispositionHeader(res, 'application/octet-stream', certificates.RootName + '.cer', null, 'rootcert.cer');
res.send(Buffer.from(getRootCertBase64(), 'base64'));
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}
// Handle user public file downloads
function handleDownloadUserFiles(req, res) {
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const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.sendStatus(404); return; } // Check 3FA URL key
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if (obj.common.validateString(req.path, 1, 4096) == false) { res.sendStatus(404); return; }
var domainname = 'domain', spliturl = decodeURIComponent(req.path).split('/'), filename = '';
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if ((spliturl.length < 3) || (obj.common.IsFilenameValid(spliturl[2]) == false) || (domain.userQuota == -1)) { res.sendStatus(404); return; }
if (domain.id != '') { domainname = 'domain-' + domain.id; }
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var path = obj.path.join(obj.filespath, domainname + '/user-' + spliturl[2] + '/Public');
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for (var i = 3; i < spliturl.length; i++) { if (obj.common.IsFilenameValid(spliturl[i]) == true) { path += '/' + spliturl[i]; filename = spliturl[i]; } else { res.sendStatus(404); return; } }
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var stat = null;
try { stat = obj.fs.statSync(path); } catch (e) { }
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if ((stat != null) && ((stat.mode & 0x004000) == 0)) {
if (req.query.download == 1) {
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setContentDispositionHeader(res, 'application/octet-stream', filename, null, 'file.bin');
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try { res.sendFile(obj.path.resolve(__dirname, path)); } catch (e) { res.sendStatus(404); }
} else {
render(req, res, getRenderPage((domain.sitestyle == 2) ? 'download2' : 'download', req, domain), getRenderArgs({ rootCertLink: getRootCertLink(), messageid: 1, fileurl: req.path + '?download=1', filename: filename, filesize: stat.size }, req, domain));
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}
} else {
render(req, res, getRenderPage((domain.sitestyle == 2) ? 'download2' : 'download', req, domain), getRenderArgs({ rootCertLink: getRootCertLink(), messageid: 2 }, req, domain));
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}
}
// Handle device file request
function handleDeviceFile(req, res) {
const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
if ((req.query.c == null) || (req.query.m == null) || (req.query.n == null) || (req.query.f == null)) { res.sendStatus(404); return; }
// Check the inbound desktop sharing cookie
var c = obj.parent.decodeCookie(req.query.c, obj.parent.loginCookieEncryptionKey, 60); // 60 minute timeout
if ((c == null) || (c.domainid !== domain.id)) { res.sendStatus(404); return; }
// Check userid
const user = obj.users[c.userid];
if ((c == user)) { res.sendStatus(404); return; }
// Check if this user has permission to manage this computer
const meshid = 'mesh/' + domain.id + '/' + req.query.m;
const nodeid = 'node/' + domain.id + '/' + req.query.n;
if ((obj.GetNodeRights(c.userid, meshid, nodeid) & MESHRIGHT_REMOTECONTROL) == 0) { res.sendStatus(404); return; }
// All good, start the file transfer
req.query.id = getRandomLowerCase(12);
obj.meshDeviceFileHandler.CreateMeshDeviceFile(obj, null, res, req, domain, user, meshid, nodeid);
}
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// Handle download of a server file by an agent
function handleAgentDownloadFile(req, res) {
const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
if (req.query.c == null) { res.sendStatus(404); return; }
// Check the inbound desktop sharing cookie
var c = obj.parent.decodeCookie(req.query.c, obj.parent.loginCookieEncryptionKey, 5); // 5 minute timeout
if ((c == null) || (c.a != 'tmpdl') || (c.d != domain.id) || (c.nid == null) || (c.f == null) || (obj.common.IsFilenameValid(c.f) == false)) { res.sendStatus(404); return; }
// Send the file back
try { res.sendFile(obj.path.join(obj.filespath, 'tmp', c.f)); return; } catch (ex) { res.sendStatus(404); }
}
// Handle logo request
function handleLogoRequest(req, res) {
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const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
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//res.set({ 'Cache-Control': 'max-age=86400' }); // 1 day
if (domain.titlepicture) {
if ((parent.configurationFiles != null) && (parent.configurationFiles[domain.titlepicture] != null)) {
// Use the logo in the database
res.set({ 'Content-Type': domain.titlepicture.toLowerCase().endsWith('.png')?'image/png':'image/jpeg' });
res.send(parent.configurationFiles[domain.titlepicture]);
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return;
} else {
// Use the logo on file
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try { res.sendFile(obj.path.join(obj.parent.datapath, domain.titlepicture)); return; } catch (ex) { }
}
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}
if ((domain.webpublicpath != null) && (obj.fs.existsSync(obj.path.join(domain.webpublicpath, 'images/logoback.png')))) {
// Use the domain logo picture
try { res.sendFile(obj.path.join(domain.webpublicpath, 'images/logoback.png')); } catch (ex) { res.sendStatus(404); }
} else if (parent.webPublicOverridePath && obj.fs.existsSync(obj.path.join(obj.parent.webPublicOverridePath, 'images/logoback.png'))) {
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// Use the override logo picture
try { res.sendFile(obj.path.join(obj.parent.webPublicOverridePath, 'images/logoback.png')); } catch (ex) { res.sendStatus(404); }
} else {
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// Use the default logo picture
try { res.sendFile(obj.path.join(obj.parent.webPublicPath, 'images/logoback.png')); } catch (ex) { res.sendStatus(404); }
}
}
// Handle login logo request
function handleLoginLogoRequest(req, res) {
const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
//res.set({ 'Cache-Control': 'max-age=86400' }); // 1 day
if (domain.loginpicture) {
if ((parent.configurationFiles != null) && (parent.configurationFiles[domain.loginpicture] != null)) {
// Use the logo in the database
res.set({ 'Content-Type': domain.loginpicture.toLowerCase().endsWith('.png') ? 'image/png' : 'image/jpeg' });
res.send(parent.configurationFiles[domain.loginpicture]);
return;
} else {
// Use the logo on file
try { res.sendFile(obj.path.join(obj.parent.datapath, domain.loginpicture)); return; } catch (ex) { res.sendStatus(404); }
}
}
}
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// Handle translation request
function handleTranslationsRequest(req, res) {
const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
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//if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.sendStatus(404); return; } // Check 3FA URL key
if ((obj.userAllowedIp != null) && (checkIpAddressEx(req, res, obj.userAllowedIp, false) === false)) { return; } // Check server-wide IP filter only.
var user = null;
if (obj.args.user != null) {
// A default user is active
user = obj.users['user/' + domain.id + '/' + obj.args.user];
if (!user) { parent.debug('web', 'handleTranslationsRequest: user not found.'); res.sendStatus(401); return; }
} else {
// Check if the user is logged and we have all required parameters
if (!req.session || !req.session.userid) { parent.debug('web', 'handleTranslationsRequest: failed checks (2).'); res.sendStatus(401); return; }
// Get the current user
user = obj.users[req.session.userid];
if (!user) { parent.debug('web', 'handleTranslationsRequest: user not found.'); res.sendStatus(401); return; }
if (user.siteadmin != 0xFFFFFFFF) { parent.debug('web', 'handleTranslationsRequest: user not site administrator.'); res.sendStatus(401); return; }
}
var data = '';
req.setEncoding('utf8');
req.on('data', function (chunk) { data += chunk; });
req.on('end', function () {
try { data = JSON.parse(data); } catch (ex) { data = null; }
if (data == null) { res.sendStatus(404); return; }
if (data.action == 'getTranslations') {
if (obj.fs.existsSync(obj.path.join(obj.parent.datapath, 'translate.json'))) {
// Return the translation file (JSON)
try { res.sendFile(obj.path.join(obj.parent.datapath, 'translate.json')); } catch (ex) { res.sendStatus(404); }
} else if (obj.fs.existsSync(obj.path.join(__dirname, 'translate', 'translate.json'))) {
// Return the default translation file (JSON)
try { res.sendFile(obj.path.join(__dirname, 'translate', 'translate.json')); } catch (ex) { res.sendStatus(404); }
} else { res.sendStatus(404); }
} else if (data.action == 'setTranslations') {
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obj.fs.writeFile(obj.path.join(obj.parent.datapath, 'translate.json'), obj.common.translationsToJson({ strings: data.strings }), function (err) { if (err == null) { res.send(JSON.stringify({ response: 'ok' })); } else { res.send(JSON.stringify({ response: err })); } });
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} else if (data.action == 'translateServer') {
if (obj.pendingTranslation === true) { res.send(JSON.stringify({ response: 'Server is already performing a translation.' })); return; }
const nodeVersion = Number(process.version.match(/^v(\d+\.\d+)/)[1]);
if (nodeVersion < 8) { res.send(JSON.stringify({ response: 'Server requires NodeJS 8.x or better.' })); return; }
var translateFile = obj.path.join(obj.parent.datapath, 'translate.json');
if (obj.fs.existsSync(translateFile) == false) { translateFile = obj.path.join(__dirname, 'translate', 'translate.json'); }
if (obj.fs.existsSync(translateFile) == false) { res.send(JSON.stringify({ response: 'Unable to find translate.js file on the server.' })); return; }
res.send(JSON.stringify({ response: 'ok' }));
console.log('Started server translation...');
obj.pendingTranslation = true;
require('child_process').exec('node translate.js translateall \"' + translateFile + '\"', { maxBuffer: 512000, timeout: 120000, cwd: obj.path.join(__dirname, 'translate') }, function (error, stdout, stderr) {
delete obj.pendingTranslation;
//console.log('error', error);
//console.log('stdout', stdout);
//console.log('stderr', stderr);
//console.log('Server restart...'); // Perform a server restart
//process.exit(0);
console.log('Server translation completed.');
});
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} else {
// Unknown request
res.sendStatus(404);
}
});
}
// Handle welcome image request
function handleWelcomeImageRequest(req, res) {
const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
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//res.set({ 'Cache-Control': 'max-age=86400' }); // 1 day
if (domain.welcomepicture) {
if ((parent.configurationFiles != null) && (parent.configurationFiles[domain.welcomepicture] != null)) {
// Use the welcome image in the database
res.set({ 'Content-Type': domain.welcomepicture.toLowerCase().endsWith('.png')?'image/png':'image/jpeg' });
res.send(parent.configurationFiles[domain.welcomepicture]);
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return;
}
// Use the configured logo picture
try { res.sendFile(obj.path.join(obj.parent.datapath, domain.welcomepicture)); return; } catch (ex) { }
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}
var imagefile = 'images/mainwelcome.jpg';
if (domain.sitestyle == 2) { imagefile = 'images/login/back.png'; }
if (domain.webpublicpath != null) {
obj.fs.exists(obj.path.join(domain.webpublicpath, imagefile), function (exists) {
if (exists) {
// Use the domain logo picture
try { res.sendFile(obj.path.join(domain.webpublicpath, imagefile)); } catch (ex) { res.sendStatus(404); }
} else {
// Use the default logo picture
try { res.sendFile(obj.path.join(obj.parent.webPublicPath, imagefile)); } catch (ex) { res.sendStatus(404); }
}
});
} else if (parent.webPublicOverridePath) {
obj.fs.exists(obj.path.join(obj.parent.webPublicOverridePath, imagefile), function (exists) {
if (exists) {
// Use the override logo picture
try { res.sendFile(obj.path.join(obj.parent.webPublicOverridePath, imagefile)); } catch (ex) { res.sendStatus(404); }
} else {
// Use the default logo picture
try { res.sendFile(obj.path.join(obj.parent.webPublicPath, imagefile)); } catch (ex) { res.sendStatus(404); }
}
});
} else {
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// Use the default logo picture
try { res.sendFile(obj.path.join(obj.parent.webPublicPath, imagefile)); } catch (ex) { res.sendStatus(404); }
}
}
// Download a desktop recording
function handleGetRecordings(req, res) {
const domain = checkUserIpAddress(req, res);
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if (domain == null) return;
// Check the query
if ((domain.sessionrecording == null) || (req.query.file == null) || (obj.common.IsFilenameValid(req.query.file) !== true)) { res.sendStatus(401); return; }
// Get the recording path
var recordingsPath = null;
if (domain.sessionrecording.filepath) { recordingsPath = domain.sessionrecording.filepath; } else { recordingsPath = parent.recordpath; }
if (recordingsPath == null) { res.sendStatus(401); return; }
// Get the user and check user rights
var authUserid = null;
if ((req.session != null) && (typeof req.session.userid == 'string')) { authUserid = req.session.userid; }
if (authUserid == null) { res.sendStatus(401); return; }
const user = obj.users[authUserid];
if (user == null) { res.sendStatus(401); return; }
if ((user.siteadmin & 512) == 0) { res.sendStatus(401); return; } // Check if we have right to get recordings
// Send the recorded file
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setContentDispositionHeader(res, 'application/octet-stream', req.query.file, null, 'recording.mcrec');
try { res.sendFile(obj.path.join(recordingsPath, req.query.file)); } catch (ex) { res.sendStatus(404); }
}
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// Serve the player page
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function handlePlayerRequest(req, res) {
const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
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parent.debug('web', 'handlePlayerRequest: sending player');
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res.set({ 'Cache-Control': 'no-store' });
render(req, res, getRenderPage('player', req, domain), getRenderArgs({}, req, domain));
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}
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// Serve the guest desktop page
function handleDesktopRequest(req, res) {
const domain = getDomain(req, res);
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if (domain == null) { return; }
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if (req.query.c == null) { res.sendStatus(404); return; }
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// Check the inbound desktop sharing cookie
var c = obj.parent.decodeCookie(req.query.c, obj.parent.invitationLinkEncryptionKey, 60); // 60 minute timeout
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if ((c == null) || (c.a !== 5) || ((c.p !== 2) && (c.p != null)) || (typeof c.uid != 'string') || (typeof c.nid != 'string') || (typeof c.gn != 'string') || (typeof c.cf != 'number') || (typeof c.start != 'number') || (typeof c.expire != 'number') || (typeof c.pid != 'string')) { res.sendStatus(404); return; }
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// Check the expired time, expire message.
if (c.expire <= Date.now()) { render(req, res, getRenderPage((domain.sitestyle == 2) ? 'message2' : 'message', req, domain), getRenderArgs({ titleid: 2, msgid: 12, domainurl: encodeURIComponent(domain.url).replace(/'/g, '%27') }, req, domain)); return; }
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// Check the public id
obj.db.GetAllTypeNodeFiltered([c.nid], domain.id, 'deviceshare', null, function (err, docs) {
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// Check if any desktop sharing links are present, expire message.
if ((err != null) || (docs.length == 0)) { render(req, res, getRenderPage((domain.sitestyle == 2) ? 'message2' : 'message', req, domain), getRenderArgs({ titleid: 2, msgid: 12, domainurl: encodeURIComponent(domain.url).replace(/'/g, '%27') }, req, domain)); return; }
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// Search for the device share public identifier, expire message.
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var found = false;
for (var i = 0; i < docs.length; i++) { if (docs[i].publicid == c.pid) { found = true; } }
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if (found == false) { render(req, res, getRenderPage((domain.sitestyle == 2) ? 'message2' : 'message', req, domain), getRenderArgs({ titleid: 2, msgid: 12, domainurl: encodeURIComponent(domain.url).replace(/'/g, '%27') }, req, domain)); return; }
// Check the start time, not yet valid message.
if ((c.start > Date.now()) || (c.start > c.expire)) { render(req, res, getRenderPage((domain.sitestyle == 2) ? 'message2' : 'message', req, domain), getRenderArgs({ titleid: 2, msgid: 11, domainurl: encodeURIComponent(domain.url).replace(/'/g, '%27') }, req, domain)); return; }
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// Looks good, let's create the outbound session cookies.
// Consent flags are 1 = Notify, 8 = Prompt, 64 = Privacy Bar.
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const authCookie = obj.parent.encodeCookie({ userid: c.uid, domainid: domain.id, nid: c.nid, ip: req.clientIp, p: 2, gn: c.gn, cf: 65 | c.cf, r: 8, expire: c.expire, pid: c.pid }, obj.parent.loginCookieEncryptionKey);
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// Lets respond by sending out the desktop viewer.
var httpsPort = ((obj.args.aliasport == null) ? obj.args.port : obj.args.aliasport); // Use HTTPS alias port is specified
parent.debug('web', 'handleDesktopRequest: Sending guest desktop page for \"' + c.uid + '\", guest \"' + c.gn + '\".');
res.set({ 'Cache-Control': 'no-store' });
render(req, res, getRenderPage('desktop', req, domain), getRenderArgs({ authCookie: authCookie, authRelayCookie: '', domainurl: encodeURIComponent(domain.url).replace(/'/g, '%27'), nodeid: c.nid, serverDnsName: obj.getWebServerName(domain), serverRedirPort: args.redirport, serverPublicPort: httpsPort, expire: c.expire }, req, domain));
});
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}
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// Serve the guest terminal page
function handleTerminalRequest(req, res) {
const domain = getDomain(req, res);
if (domain == null) { return; }
if (req.query.c == null) { res.sendStatus(404); return; }
// Check the inbound desktop sharing cookie
var c = obj.parent.decodeCookie(req.query.c, obj.parent.invitationLinkEncryptionKey, 60); // 60 minute timeout
if ((c == null) || (c.a !== 5) || (c.p !== 1) || (typeof c.uid != 'string') || (typeof c.nid != 'string') || (typeof c.gn != 'string') || (typeof c.cf != 'number') || (typeof c.start != 'number') || (typeof c.expire != 'number') || (typeof c.pid != 'string')) { res.sendStatus(404); return; }
// Check the expired time, expire message.
if (c.expire <= Date.now()) { render(req, res, getRenderPage((domain.sitestyle == 2) ? 'message2' : 'message', req, domain), getRenderArgs({ titleid: 4, msgid: 12, domainurl: encodeURIComponent(domain.url).replace(/'/g, '%27') }, req, domain)); return; }
// Check the public id
obj.db.GetAllTypeNodeFiltered([c.nid], domain.id, 'deviceshare', null, function (err, docs) {
// Check if any desktop sharing links are present, expire message.
if ((err != null) || (docs.length == 0)) { render(req, res, getRenderPage((domain.sitestyle == 2) ? 'message2' : 'message', req, domain), getRenderArgs({ titleid: 4, msgid: 12, domainurl: encodeURIComponent(domain.url).replace(/'/g, '%27') }, req, domain)); return; }
// Search for the device share public identifier, expire message.
var found = false;
for (var i = 0; i < docs.length; i++) { if (docs[i].publicid == c.pid) { found = true; } }
if (found == false) { render(req, res, getRenderPage((domain.sitestyle == 2) ? 'message2' : 'message', req, domain), getRenderArgs({ titleid: 4, msgid: 12, domainurl: encodeURIComponent(domain.url).replace(/'/g, '%27') }, req, domain)); return; }
// Check the start time, not yet valid message.
if ((c.start > Date.now()) || (c.start > c.expire)) { render(req, res, getRenderPage((domain.sitestyle == 2) ? 'message2' : 'message', req, domain), getRenderArgs({ titleid: 4, msgid: 11, domainurl: encodeURIComponent(domain.url).replace(/'/g, '%27') }, req, domain)); return; }
// Looks good, let's create the outbound session cookies.
// Consent flags are 2 = Notify, 16 = Prompt
const authCookie = obj.parent.encodeCookie({ userid: c.uid, domainid: domain.id, nid: c.nid, ip: req.clientIp, p: 1, gn: c.gn, cf: 2 | c.cf, r: 8, expire: c.expire, pid: c.pid }, obj.parent.loginCookieEncryptionKey);
// Lets respond by sending out the desktop viewer.
var httpsPort = ((obj.args.aliasport == null) ? obj.args.port : obj.args.aliasport); // Use HTTPS alias port is specified
parent.debug('web', 'handleTerminalRequest: Sending guest terminal page for \"' + c.uid + '\", guest \"' + c.gn + '\".');
res.set({ 'Cache-Control': 'no-store' });
render(req, res, getRenderPage('terminal', req, domain), getRenderArgs({ authCookie: authCookie, authRelayCookie: '', domainurl: encodeURIComponent(domain.url).replace(/'/g, '%27'), nodeid: c.nid, serverDnsName: obj.getWebServerName(domain), serverRedirPort: args.redirport, serverPublicPort: httpsPort, expire: c.expire }, req, domain));
});
}
// Handle domain redirection
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obj.handleDomainRedirect = function (req, res) {
const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
if (domain.redirects == null) { res.sendStatus(404); return; }
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var urlArgs = '', urlName = null, splitUrl = req.originalUrl.split('?');
if (splitUrl.length > 1) { urlArgs = '?' + splitUrl[1]; }
if ((splitUrl.length > 0) && (splitUrl[0].length > 1)) { urlName = splitUrl[0].substring(1).toLowerCase(); }
if ((urlName == null) || (domain.redirects[urlName] == null) || (urlName[0] == '_')) { res.sendStatus(404); return; }
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if (domain.redirects[urlName] == '~showversion') {
// Show the current version
res.end('MeshCentral v' + obj.parent.currentVer);
} else {
// Perform redirection
res.redirect(domain.redirects[urlName] + urlArgs + getQueryPortion(req));
}
}
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// Take a "user/domain/userid/path/file" format and return the actual server disk file path if access is allowed
obj.getServerFilePath = function (user, domain, path) {
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var splitpath = path.split('/'), serverpath = obj.path.join(obj.filespath, 'domain'), filename = '';
if ((splitpath.length < 3) || (splitpath[0] != 'user' && splitpath[0] != 'mesh') || (splitpath[1] != domain.id)) return null; // Basic validation
var objid = splitpath[0] + '/' + splitpath[1] + '/' + splitpath[2];
if (splitpath[0] == 'user' && (objid != user._id)) return null; // User validation, only self allowed
if (splitpath[0] == 'mesh') { if ((obj.GetMeshRights(user, objid) & 32) == 0) { return null; } } // Check mesh server file rights
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if (splitpath[1] != '') { serverpath += '-' + splitpath[1]; } // Add the domain if needed
serverpath += ('/' + splitpath[0] + '-' + splitpath[2]);
for (var i = 3; i < splitpath.length; i++) { if (obj.common.IsFilenameValid(splitpath[i]) == true) { serverpath += '/' + splitpath[i]; filename = splitpath[i]; } else { return null; } } // Check that each folder is correct
return { fullpath: obj.path.resolve(obj.filespath, serverpath), path: serverpath, name: filename, quota: obj.getQuota(objid, domain) };
};
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// Return the maximum number of bytes allowed in the user account "My Files".
obj.getQuota = function (objid, domain) {
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if (objid == null) return 0;
if (objid.startsWith('user/')) {
var user = obj.users[objid];
if (user == null) return 0;
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if (user.siteadmin == 0xFFFFFFFF) return null; // Administrators have no user limit
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if ((user.quota != null) && (typeof user.quota == 'number')) { return user.quota; }
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if ((domain != null) && (domain.userquota != null) && (typeof domain.userquota == 'number')) { return domain.userquota; }
return null; // By default, the user will have no limit
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} else if (objid.startsWith('mesh/')) {
var mesh = obj.meshes[objid];
if (mesh == null) return 0;
if ((mesh.quota != null) && (typeof mesh.quota == 'number')) { return mesh.quota; }
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if ((domain != null) && (domain.meshquota != null) && (typeof domain.meshquota == 'number')) { return domain.meshquota; }
return null; // By default, the mesh will have no limit
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}
return 0;
};
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// Download a file from the server
function handleDownloadFile(req, res) {
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const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
if ((req.query.link == null) || (req.session == null) || (req.session.userid == null) || (domain == null) || (domain.userQuota == -1)) { res.sendStatus(404); return; }
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const user = obj.users[req.session.userid];
if (user == null) { res.sendStatus(404); return; }
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const file = obj.getServerFilePath(user, domain, req.query.link);
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if (file == null) { res.sendStatus(404); return; }
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setContentDispositionHeader(res, 'application/octet-stream', file.name, null, 'file.bin');
obj.fs.exists(file.fullpath, function (exists) { if (exists == true) { res.sendFile(file.fullpath); } else { res.sendStatus(404); } });
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}
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// Upload a MeshCore.js file to the server
function handleUploadMeshCoreFile(req, res) {
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const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
if (domain.id !== '') { res.sendStatus(401); return; }
var authUserid = null;
if ((req.session != null) && (typeof req.session.userid == 'string')) { authUserid = req.session.userid; }
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const multiparty = require('multiparty');
const form = new multiparty.Form();
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form.parse(req, function (err, fields, files) {
// If an authentication cookie is embedded in the form, use that.
if ((fields != null) && (fields.auth != null) && (fields.auth.length == 1) && (typeof fields.auth[0] == 'string')) {
var loginCookie = obj.parent.decodeCookie(fields.auth[0], obj.parent.loginCookieEncryptionKey, 60); // 60 minute timeout
if ((loginCookie != null) && (obj.args.cookieipcheck !== false) && (loginCookie.ip != null) && (loginCookie.ip != req.clientIp)) { loginCookie = null; } // Check cookie IP binding.
if ((loginCookie != null) && (domain.id == loginCookie.domainid)) { authUserid = loginCookie.userid; } // Use cookie authentication
}
if (authUserid == null) { res.sendStatus(401); return; }
// Get the user
const user = obj.users[authUserid];
if (user.siteadmin != 0xFFFFFFFF) { res.sendStatus(401); return; } // Check if we have mesh core upload rights (Full admin only)
if ((fields == null) || (fields.attrib == null) || (fields.attrib.length != 1)) { res.sendStatus(404); return; }
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for (var i in files.files) {
var file = files.files[i];
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obj.fs.readFile(file.path, 'utf8', function (err, data) {
if (err != null) return;
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data = obj.common.IntToStr(0) + data; // Add the 4 bytes encoding type & flags (Set to 0 for raw)
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obj.sendMeshAgentCore(user, domain, fields.attrib[0], 'custom', data); // Upload the core
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try { obj.fs.unlinkSync(file.path); } catch (e) { }
});
}
res.send('');
});
}
// Upload a file to the server
function handleUploadFile(req, res) {
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const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
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if (domain.userQuota == -1) { res.sendStatus(401); return; }
var authUserid = null;
if ((req.session != null) && (typeof req.session.userid == 'string')) { authUserid = req.session.userid; }
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const multiparty = require('multiparty');
const form = new multiparty.Form();
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form.parse(req, function (err, fields, files) {
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// If an authentication cookie is embedded in the form, use that.
if ((fields != null) && (fields.auth != null) && (fields.auth.length == 1) && (typeof fields.auth[0] == 'string')) {
var loginCookie = obj.parent.decodeCookie(fields.auth[0], obj.parent.loginCookieEncryptionKey, 60); // 60 minute timeout
if ((loginCookie != null) && (obj.args.cookieipcheck !== false) && (loginCookie.ip != null) && (loginCookie.ip != req.clientIp)) { loginCookie = null; } // Check cookie IP binding.
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if ((loginCookie != null) && (domain.id == loginCookie.domainid)) { authUserid = loginCookie.userid; } // Use cookie authentication
}
if (authUserid == null) { res.sendStatus(401); return; }
// Get the user
const user = obj.users[authUserid];
if ((user == null) || (user.siteadmin & 8) == 0) { res.sendStatus(401); return; } // Check if we have file rights
if ((fields == null) || (fields.link == null) || (fields.link.length != 1)) { /*console.log('UploadFile, Invalid Fields:', fields, files);*/ console.log('err4'); res.sendStatus(404); return; }
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var xfile = null;
try { xfile = obj.getServerFilePath(user, domain, decodeURIComponent(fields.link[0])); } catch (ex) { }
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if (xfile == null) { res.sendStatus(404); return; }
// Get total bytes in the path
var totalsize = readTotalFileSize(xfile.fullpath);
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if ((xfile.quota == null) || (totalsize < xfile.quota)) { // Check if the quota is not already broken
if (fields.name != null) {
// See if we need to create the folder
var domainx = 'domain';
if (domain.id.length > 0) { domainx = 'domain-' + usersplit[1]; }
try { obj.fs.mkdirSync(obj.parent.filespath); } catch (ex) { }
try { obj.fs.mkdirSync(obj.parent.path.join(obj.parent.filespath, domainx)); } catch (ex) { }
try { obj.fs.mkdirSync(xfile.fullpath); } catch (ex) { }
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// Upload method where all the file data is within the fields.
var names = fields.name[0].split('*'), sizes = fields.size[0].split('*'), types = fields.type[0].split('*'), datas = fields.data[0].split('*');
if ((names.length == sizes.length) && (types.length == datas.length) && (names.length == types.length)) {
for (var i = 0; i < names.length; i++) {
if (obj.common.IsFilenameValid(names[i]) == false) { res.sendStatus(404); return; }
var filedata = Buffer.from(datas[i].split(',')[1], 'base64');
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if ((xfile.quota == null) || ((totalsize + filedata.length) < xfile.quota)) { // Check if quota would not be broken if we add this file
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// Create the user folder if needed
(function (fullpath, filename, filedata) {
obj.fs.mkdir(xfile.fullpath, function () {
// Write the file
obj.fs.writeFile(obj.path.join(xfile.fullpath, filename), filedata, function () {
obj.parent.DispatchEvent([user._id], obj, 'updatefiles'); // Fire an event causing this user to update this files
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});
});
})(xfile.fullpath, names[i], filedata);
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} else {
// Send a notification
obj.parent.DispatchEvent([user._id], obj, { action: 'notify', title: "Disk quota exceed", value: names[i], nolog: 1, id: Math.random() });
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}
}
}
} else {
// More typical upload method, the file data is in a multipart mime post.
for (var i in files.files) {
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var file = files.files[i], fpath = obj.path.join(xfile.fullpath, file.originalFilename);
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if (obj.common.IsFilenameValid(file.originalFilename) && ((xfile.quota == null) || ((totalsize + file.size) < xfile.quota))) { // Check if quota would not be broken if we add this file
// See if we need to create the folder
var domainx = 'domain';
if (domain.id.length > 0) { domainx = 'domain-' + domain.id; }
try { obj.fs.mkdirSync(obj.parent.filespath); } catch (e) { }
try { obj.fs.mkdirSync(obj.parent.path.join(obj.parent.filespath, domainx)); } catch (e) { }
try { obj.fs.mkdirSync(xfile.fullpath); } catch (e) { }
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// Rename the file
obj.fs.rename(file.path, fpath, function (err) {
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if (err && (err.code === 'EXDEV')) {
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// On some Linux, the rename will fail with a "EXDEV" error, do a copy+unlink instead.
obj.common.copyFile(file.path, fpath, function (err) {
obj.fs.unlink(file.path, function (err) {
obj.parent.DispatchEvent([user._id], obj, 'updatefiles'); // Fire an event causing this user to update this files
});
});
} else {
obj.parent.DispatchEvent([user._id], obj, 'updatefiles'); // Fire an event causing this user to update this files
}
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});
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} else {
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// Send a notification
obj.parent.DispatchEvent([user._id], obj, { action: 'notify', title: "Disk quota exceed", value: file.originalFilename, nolog: 1, id: Math.random() });
try { obj.fs.unlink(file.path, function (err) { }); } catch (e) { }
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}
}
}
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} else {
// Send a notification
obj.parent.DispatchEvent([user._id], obj, { action: 'notify', value: "Disk quota exceed", nolog: 1, id: Math.random() });
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}
res.send('');
});
}
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// Upload a file to the server and then batch upload to many agents
function handleUploadFileBatch(req, res) {
const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
if (domain.userQuota == -1) { res.sendStatus(401); return; }
var authUserid = null;
if ((req.session != null) && (typeof req.session.userid == 'string')) { authUserid = req.session.userid; }
const multiparty = require('multiparty');
const form = new multiparty.Form();
form.parse(req, function (err, fields, files) {
// If an authentication cookie is embedded in the form, use that.
if ((fields != null) && (fields.auth != null) && (fields.auth.length == 1) && (typeof fields.auth[0] == 'string')) {
var loginCookie = obj.parent.decodeCookie(fields.auth[0], obj.parent.loginCookieEncryptionKey, 60); // 60 minute timeout
if ((loginCookie != null) && (obj.args.cookieipcheck !== false) && (loginCookie.ip != null) && (loginCookie.ip != req.clientIp)) { loginCookie = null; } // Check cookie IP binding.
if ((loginCookie != null) && (domain.id == loginCookie.domainid)) { authUserid = loginCookie.userid; } // Use cookie authentication
}
if (authUserid == null) { res.sendStatus(401); return; }
// Get the user
const user = obj.users[authUserid];
if ((user == null) || (user.siteadmin & 8) == 0) { res.sendStatus(401); return; } // Check if we have file rights
// Get fields
if ((fields == null) || (fields.nodeIds == null) || (fields.nodeIds.length != 1)) { res.sendStatus(404); return; }
var cmd = { nodeids: fields.nodeIds[0].split(','), files: [], user: user, domain: domain };
if ((fields.winpath != null) && (fields.winpath.length == 1)) { cmd.windowsPath = fields.winpath[0]; }
if ((fields.linuxpath != null) && (fields.linuxpath.length == 1)) { cmd.linuxPath = fields.linuxpath[0]; }
if ((fields.overwriteFiles != null) && (fields.overwriteFiles.length == 1) && (fields.overwriteFiles[0] == 'on')) { cmd.overwrite = true; }
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if ((fields.createFolder != null) && (fields.createFolder.length == 1) && (fields.createFolder[0] == 'on')) { cmd.createFolder = true; }
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// Check if we have al least one target path
if ((cmd.windowsPath == null) && (cmd.linuxPath == null)) {
parent.debug('web', 'Batch upload error, invalid fields: ' + JSON.stringify(fields));
res.send('');
return;
}
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// Get server temporary path
var serverpath = obj.path.join(obj.filespath, 'tmp')
try { obj.fs.mkdirSync(obj.parent.filespath); } catch (ex) { }
try { obj.fs.mkdirSync(serverpath); } catch (ex) { }
// More typical upload method, the file data is in a multipart mime post.
for (var i in files.files) {
var file = files.files[i], ftarget = getRandomPassword() + '-' + file.originalFilename, fpath = obj.path.join(serverpath, ftarget);
cmd.files.push({ name: file.originalFilename, target: ftarget });
// Rename the file
obj.fs.rename(file.path, fpath, function (err) {
if (err && (err.code === 'EXDEV')) {
// On some Linux, the rename will fail with a "EXDEV" error, do a copy+unlink instead.
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obj.common.copyFile(file.path, fpath, function (err) { obj.fs.unlink(file.path, function (err) { }); });
}
});
}
// Instruct one of more agents to download a URL to a given local drive location.
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var tlsCertHash = null;
if (parent.args.ignoreagenthashcheck !== true) {
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tlsCertHash = obj.webCertificateFullHashs[cmd.domain.id];
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if (tlsCertHash != null) { tlsCertHash = Buffer.from(tlsCertHash, 'binary').toString('hex'); }
}
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for (var i in cmd.nodeids) {
obj.GetNodeWithRights(cmd.domain, cmd.user, cmd.nodeids[i], function (node, rights, visible) {
if ((node == null) || ((rights & 8) == 0) || (visible == false)) return; // We don't have remote control rights to this device
var agentPath = ((node.agent.id > 0) && (node.agent.id < 5)) ? cmd.windowsPath : cmd.linuxPath;
if (agentPath == null) return;
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// Event that this operation is being performed.
var targets = obj.CreateNodeDispatchTargets(node.meshid, node._id, ['server-users', cmd.user._id]);
var msgid = 103; // "Batch upload of {0} file(s) to folder {1}"
var event = { etype: 'node', userid: cmd.user._id, username: cmd.user.name, nodeid: node._id, action: 'batchupload', msg: 'Performing batch upload of ' + cmd.files.length + ' file(s) to ' + agentPath, msgid: msgid, msgArgs: [cmd.files.length, agentPath], domain: cmd.domain.id };
parent.DispatchEvent(targets, obj, event);
// Send the agent commands to perform the batch upload operation
for (var f in cmd.files) {
if (cmd.files[f].name != null) {
const acmd = { action: 'wget', overwrite: cmd.overwrite, createFolder: cmd.createFolder, urlpath: '/agentdownload.ashx?c=' + obj.parent.encodeCookie({ a: 'tmpdl', d: cmd.domain.id, nid: node._id, f: cmd.files[f].target }, obj.parent.loginCookieEncryptionKey), path: obj.path.join(agentPath, cmd.files[f].name), folder: agentPath, servertlshash: tlsCertHash };
var agent = obj.wsagents[node._id];
if (agent != null) { try { agent.send(JSON.stringify(acmd)); } catch (ex) { } }
// TODO: Add support for peer servers.
}
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}
});
}
res.send('');
});
}
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// Subscribe to all events we are allowed to receive
obj.subscribe = function (userid, target) {
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const user = obj.users[userid];
const subscriptions = [userid, 'server-global'];
if (user.siteadmin != null) {
// Allow full site administrators of users with all events rights to see all events.
if ((user.siteadmin == 0xFFFFFFFF) || ((user.siteadmin & 2048) != 0)) { subscriptions.push('*'); }
else if ((user.siteadmin & 2) != 0) {
if ((user.groups == null) || (user.groups.length == 0)) {
// Subscribe to all user changes
subscriptions.push('server-users');
} else {
// Subscribe to user changes for some groups
for (var i in user.groups) { subscriptions.push('server-users:' + i); }
}
}
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}
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if (user.links != null) { for (var i in user.links) { subscriptions.push(i); } }
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obj.parent.RemoveAllEventDispatch(target);
obj.parent.AddEventDispatch(subscriptions, target);
return subscriptions;
};
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// Handle a web socket relay request
function handleRelayWebSocket(ws, req, domain, user, cookie) {
if (!(req.query.host)) { console.log('ERR: No host target specified'); try { ws.close(); } catch (e) { } return; } // Disconnect websocket
parent.debug('web', 'Websocket relay connected from ' + user.name + ' for ' + req.query.host + '.');
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try { ws._socket.setKeepAlive(true, 240000); } catch (ex) { } // Set TCP keep alive
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// Fetch information about the target
obj.db.Get(req.query.host, function (err, docs) {
if (docs.length == 0) { console.log('ERR: Node not found'); try { ws.close(); } catch (e) { } return; } // Disconnect websocket
var node = docs[0];
if (!node.intelamt) { console.log('ERR: Not AMT node'); try { ws.close(); } catch (e) { } return; } // Disconnect websocket
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// Check if this user has permission to manage this computer
if ((obj.GetNodeRights(user, node.meshid, node._id) & MESHRIGHT_REMOTECONTROL) == 0) { console.log('ERR: Access denied (3)'); try { ws.close(); } catch (e) { } return; }
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// Check what connectivity is available for this node
var state = parent.GetConnectivityState(req.query.host);
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var conn = 0;
if (!state || state.connectivity == 0) { parent.debug('web', 'ERR: No routing possible (1)'); try { ws.close(); } catch (e) { } return; } else { conn = state.connectivity; }
// Check what server needs to handle this connection
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if ((obj.parent.multiServer != null) && ((cookie == null) || (cookie.ps != 1))) { // If a cookie is provided and is from a peer server, don't allow the connection to jump again to a different server
var server = obj.parent.GetRoutingServerId(req.query.host, 2); // Check for Intel CIRA connection
if (server != null) {
if (server.serverid != obj.parent.serverId) {
// Do local Intel CIRA routing using a different server
parent.debug('web', 'Route Intel AMT CIRA connection to peer server: ' + server.serverid);
obj.parent.multiServer.createPeerRelay(ws, req, server.serverid, user);
return;
}
} else {
server = obj.parent.GetRoutingServerId(req.query.host, 4); // Check for local Intel AMT connection
if ((server != null) && (server.serverid != obj.parent.serverId)) {
// Do local Intel AMT routing using a different server
parent.debug('web', 'Route Intel AMT direct connection to peer server: ' + server.serverid);
obj.parent.multiServer.createPeerRelay(ws, req, server.serverid, user);
return;
}
}
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}
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// Setup session recording if needed
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if (domain.sessionrecording == true || ((typeof domain.sessionrecording == 'object') && ((domain.sessionrecording.protocols == null) || (domain.sessionrecording.protocols.indexOf((req.query.p == 2) ? 101 : 100) >= 0)))) { // TODO 100
// Check again if we need to do recording
var record = true;
if (domain.sessionrecording.onlyselecteddevicegroups === true) {
var mesh = obj.meshes[node.meshid];
if ((mesh.flags == null) || ((mesh.flags & 4) == 0)) { record = false; } // Do not record the session
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}
if (record == true) {
var now = new Date(Date.now());
var recFilename = 'relaysession' + ((domain.id == '') ? '' : '-') + domain.id + '-' + now.getUTCFullYear() + '-' + obj.common.zeroPad(now.getUTCMonth(), 2) + '-' + obj.common.zeroPad(now.getUTCDate(), 2) + '-' + obj.common.zeroPad(now.getUTCHours(), 2) + '-' + obj.common.zeroPad(now.getUTCMinutes(), 2) + '-' + obj.common.zeroPad(now.getUTCSeconds(), 2) + '-' + getRandomPassword() + '.mcrec'
var recFullFilename = null;
if (domain.sessionrecording.filepath) {
try { obj.fs.mkdirSync(domain.sessionrecording.filepath); } catch (e) { }
recFullFilename = obj.path.join(domain.sessionrecording.filepath, recFilename);
} else {
try { obj.fs.mkdirSync(parent.recordpath); } catch (e) { }
recFullFilename = obj.path.join(parent.recordpath, recFilename);
}
var fd = obj.fs.openSync(recFullFilename, 'w');
if (fd != null) {
// Write the recording file header
var firstBlock = JSON.stringify({ magic: 'MeshCentralRelaySession', ver: 1, userid: user._id, username: user.name, ipaddr: req.clientIp, nodeid: node._id, intelamt: true, protocol: (req.query.p == 2) ? 101 : 100, time: new Date().toLocaleString() })
recordingEntry(fd, 1, 0, firstBlock, function () { });
ws.logfile = { fd: fd, lock: false };
if (req.query.p == 2) { ws.send(Buffer.from(String.fromCharCode(0xF0), 'binary')); } // Intel AMT Redirection: Indicate the session is being recorded
}
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}
}
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// If Intel AMT CIRA connection is available, use it
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var ciraconn = parent.mpsserver.GetConnectionToNode(req.query.host, null, false);
if (ciraconn != null) {
parent.debug('web', 'Opening relay CIRA channel connection to ' + req.query.host + '.');
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// TODO: If the CIRA connection is a relay or LMS connection, we can't detect the TLS state like this.
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// Compute target port, look at the CIRA port mappings, if non-TLS is allowed, use that, if not use TLS
var port = 16993;
//if (node.intelamt.tls == 0) port = 16992; // DEBUG: Allow TLS flag to set TLS mode within CIRA
if (ciraconn.tag.boundPorts.indexOf(16992) >= 0) port = 16992; // RELEASE: Always use non-TLS mode if available within CIRA
if (req.query.p == 2) port += 2;
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// Setup a new CIRA channel
if ((port == 16993) || (port == 16995)) {
// Perform TLS
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var ser = new SerialTunnel();
var chnl = parent.mpsserver.SetupChannel(ciraconn, port);
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// Let's chain up the TLSSocket <-> SerialTunnel <-> CIRA APF (chnl)
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// Anything that needs to be forwarded by SerialTunnel will be encapsulated by chnl write
ser.forwardwrite = function (data) { if (data.length > 0) { chnl.write(data); } }; // TLS ---> CIRA
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// When APF tunnel return something, update SerialTunnel buffer
chnl.onData = function (ciraconn, data) { if (data.length > 0) { try { ser.updateBuffer(data); } catch (ex) { console.log(ex); } } }; // CIRA ---> TLS
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// Handle CIRA tunnel state change
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chnl.onStateChange = function (ciraconn, state) {
parent.debug('webrelay', 'Relay TLS CIRA state change', state);
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if (state == 0) { try { ws.close(); } catch (e) { } }
if (state == 2) {
// TLSSocket to encapsulate TLS communication, which then tunneled via SerialTunnel an then wrapped through CIRA APF
const tlsoptions = { socket: ser, ciphers: 'RSA+AES:!aNULL:!MD5:!DSS', secureOptions: constants.SSL_OP_NO_SSLv2 | constants.SSL_OP_NO_SSLv3 | constants.SSL_OP_NO_COMPRESSION | constants.SSL_OP_CIPHER_SERVER_PREFERENCE, rejectUnauthorized: false };
if (req.query.tls1only == 1) { tlsoptions.secureProtocol = 'TLSv1_method'; }
var tlsock = obj.tls.connect(tlsoptions, function () { parent.debug('webrelay', "CIRA Secure TLS Connection"); ws._socket.resume(); });
tlsock.chnl = chnl;
tlsock.setEncoding('binary');
tlsock.on('error', function (err) { parent.debug('webrelay', "CIRA TLS Connection Error", err); });
// Decrypted tunnel from TLS communcation to be forwarded to websocket
tlsock.on('data', function (data) {
// AMT/TLS ---> WS
if (ws.interceptor) { data = ws.interceptor.processAmtData(data); } // Run data thru interceptor
try { ws.send(data); } catch (ex) { }
});
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// If TLS is on, forward it through TLSSocket
ws.forwardclient = tlsock;
ws.forwardclient.xtls = 1;
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ws.forwardclient.onStateChange = function (ciraconn, state) {
parent.debug('webrelay', 'Relay CIRA state change', state);
if (state == 0) { try { ws.close(); } catch (e) { } }
};
ws.forwardclient.onData = function (ciraconn, data) {
// Run data thru interceptor
if (ws.interceptor) { data = ws.interceptor.processAmtData(data); }
if (data.length > 0) {
if (ws.logfile == null) {
try { ws.send(data); } catch (e) { }
} else {
// Log to recording file
recordingEntry(ws.logfile.fd, 2, 0, data, function () { try { ws.send(data); } catch (ex) { console.log(ex); } }); // TODO: Add TLS support
}
}
};
// TODO: Flow control? (Dont' really need it with AMT, but would be nice)
ws.forwardclient.onSendOk = function (ciraconn) { };
}
};
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} else {
// Without TLS
ws.forwardclient = parent.mpsserver.SetupChannel(ciraconn, port);
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ws.forwardclient.xtls = 0;
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ws._socket.resume();
ws.forwardclient.onStateChange = function (ciraconn, state) {
parent.debug('webrelay', 'Relay CIRA state change', state);
if (state == 0) { try { ws.close(); } catch (e) { } }
};
ws.forwardclient.onData = function (ciraconn, data) {
//parent.debug('webrelaydata', 'Relay CIRA data to WS', data.length);
// Run data thru interceptorp
if (ws.interceptor) { data = ws.interceptor.processAmtData(data); }
//console.log('AMT --> WS', Buffer.from(data, 'binary').toString('hex'));
if (data.length > 0) {
if (ws.logfile == null) {
try { ws.send(data); } catch (e) { }
} else {
// Log to recording file
recordingEntry(ws.logfile.fd, 2, 0, data, function () { try { ws.send(data); } catch (ex) { console.log(ex); } });
}
}
};
// TODO: Flow control? (Dont' really need it with AMT, but would be nice)
ws.forwardclient.onSendOk = function (ciraconn) { };
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}
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// When data is received from the web socket, forward the data into the associated CIRA cahnnel.
// If the CIRA connection is pending, the CIRA channel has built-in buffering, so we are ok sending anyway.
ws.on('message', function (data) {
//parent.debug('webrelaydata', 'Relay WS data to CIRA', data.length);
if (typeof data == 'string') { data = Buffer.from(data, 'binary'); }
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// WS ---> AMT/TLS
if (ws.interceptor) { data = ws.interceptor.processBrowserData(data); } // Run data thru interceptor
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// Log to recording file
if (ws.logfile == null) {
// Forward data to the associated TCP connection.
ws.forwardclient.write(data);
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} else {
// Log to recording file
recordingEntry(ws.logfile.fd, 2, 2, data, function () { try { ws.forwardclient.write(data); } catch (ex) { } });
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}
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});
// If error, close the associated TCP connection.
ws.on('error', function (err) {
console.log('CIRA server websocket error from ' + req.clientIp + ', ' + err.toString().split('\r')[0] + '.');
parent.debug('webrelay', 'Websocket relay closed on error.');
// Websocket closed, close the CIRA channel and TLS session.
if (ws.forwardclient) {
if (ws.forwardclient.close) { ws.forwardclient.close(); } // NonTLS, close the CIRA channel
if (ws.forwardclient.end) { ws.forwardclient.end(); } // TLS, close the TLS session
if (ws.forwardclient.chnl) { ws.forwardclient.chnl.close(); } // TLS, close the CIRA channel
delete ws.forwardclient;
}
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// Close the recording file
if (ws.logfile != null) { recordingEntry(ws.logfile.fd, 3, 0, 'MeshCentralMCREC', function (fd, ws) { obj.fs.close(fd); delete ws.logfile; }, ws); }
});
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// If the web socket is closed, close the associated TCP connection.
ws.on('close', function (req) {
parent.debug('webrelay', 'Websocket relay closed.');
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// Websocket closed, close the CIRA channel and TLS session.
if (ws.forwardclient) {
if (ws.forwardclient.close) { ws.forwardclient.close(); } // NonTLS, close the CIRA channel
if (ws.forwardclient.end) { ws.forwardclient.end(); } // TLS, close the TLS session
if (ws.forwardclient.chnl) { ws.forwardclient.chnl.close(); } // TLS, close the CIRA channel
delete ws.forwardclient;
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}
// Close the recording file
if (ws.logfile != null) { recordingEntry(ws.logfile.fd, 3, 0, 'MeshCentralMCREC', function (fd, ws) { obj.fs.close(fd); delete ws.logfile; }, ws); }
});
// Note that here, req.query.p: 1 = WSMAN with server auth, 2 = REDIR with server auth, 3 = WSMAN without server auth, 4 = REDIR with server auth
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// Fetch Intel AMT credentials & Setup interceptor
if (req.query.p == 1) {
parent.debug('webrelaydata', 'INTERCEPTOR1', { host: node.host, port: port, user: node.intelamt.user, pass: node.intelamt.pass });
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ws.interceptor = obj.interceptor.CreateHttpInterceptor({ host: node.host, port: port, user: node.intelamt.user, pass: node.intelamt.pass });
ws.interceptor.blockAmtStorage = true;
} else if (req.query.p == 2) {
parent.debug('webrelaydata', 'INTERCEPTOR2', { user: node.intelamt.user, pass: node.intelamt.pass });
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ws.interceptor = obj.interceptor.CreateRedirInterceptor({ user: node.intelamt.user, pass: node.intelamt.pass });
ws.interceptor.blockAmtStorage = true;
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}
return;
}
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// If Intel AMT direct connection is possible, option a direct socket
if ((conn & 4) != 0) { // We got a new web socket connection, initiate a TCP connection to the target Intel AMT host/port.
parent.debug('webrelay', 'Opening relay TCP socket connection to ' + req.query.host + '.');
// When data is received from the web socket, forward the data into the associated TCP connection.
ws.on('message', function (msg) {
//parent.debug('webrelaydata', 'TCP relay data to ' + node.host + ', ' + msg.length + ' bytes');
if (typeof msg == 'string') { msg = Buffer.from(msg, 'binary'); }
if (ws.interceptor) { msg = ws.interceptor.processBrowserData(msg); } // Run data thru interceptor
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// Log to recording file
if (ws.logfile == null) {
// Forward data to the associated TCP connection.
try { ws.forwardclient.write(msg); } catch (ex) { }
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} else {
// Log to recording file
recordingEntry(ws.logfile.fd, 2, 2, msg, function () { try { ws.forwardclient.write(msg); } catch (ex) { } });
}
});
// If error, close the associated TCP connection.
ws.on('error', function (err) {
console.log('Error with relay web socket connection from ' + req.clientIp + ', ' + err.toString().split('\r')[0] + '.');
parent.debug('webrelay', 'Error with relay web socket connection from ' + req.clientIp + '.');
if (ws.forwardclient) { try { ws.forwardclient.destroy(); } catch (e) { } }
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// Close the recording file
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if (ws.logfile != null) {
recordingEntry(ws.logfile.fd, 3, 0, 'MeshCentralMCREC', function (fd) {
obj.fs.close(fd);
ws.logfile = null;
});
}
});
// If the web socket is closed, close the associated TCP connection.
ws.on('close', function () {
parent.debug('webrelay', 'Closing relay web socket connection to ' + req.query.host + '.');
if (ws.forwardclient) { try { ws.forwardclient.destroy(); } catch (e) { } }
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// Close the recording file
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if (ws.logfile != null) {
recordingEntry(ws.logfile.fd, 3, 0, 'MeshCentralMCREC', function (fd) {
obj.fs.close(fd);
ws.logfile = null;
});
}
});
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// Compute target port
var port = 16992;
if (node.intelamt.tls > 0) port = 16993; // This is a direct connection, use TLS when possible
if ((req.query.p == 2) || (req.query.p == 4)) port += 2;
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if (node.intelamt.tls == 0) {
// If this is TCP (without TLS) set a normal TCP socket
ws.forwardclient = new obj.net.Socket();
ws.forwardclient.setEncoding('binary');
ws.forwardclient.xstate = 0;
ws.forwardclient.forwardwsocket = ws;
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ws._socket.resume();
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} else {
// If TLS is going to be used, setup a TLS socket
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var tlsoptions = { ciphers: 'RSA+AES:!aNULL:!MD5:!DSS', secureOptions: constants.SSL_OP_NO_SSLv2 | constants.SSL_OP_NO_SSLv3 | constants.SSL_OP_NO_COMPRESSION | constants.SSL_OP_CIPHER_SERVER_PREFERENCE, rejectUnauthorized: false };
if (req.query.tls1only == 1) { tlsoptions.secureProtocol = 'TLSv1_method'; }
ws.forwardclient = obj.tls.connect(port, node.host, tlsoptions, function () {
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// The TLS connection method is the same as TCP, but located a bit differently.
parent.debug('webrelay', 'TLS connected to ' + node.host + ':' + port + '.');
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ws.forwardclient.xstate = 1;
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ws._socket.resume();
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});
ws.forwardclient.setEncoding('binary');
ws.forwardclient.xstate = 0;
ws.forwardclient.forwardwsocket = ws;
}
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// When we receive data on the TCP connection, forward it back into the web socket connection.
ws.forwardclient.on('data', function (data) {
if (typeof data == 'string') { data = Buffer.from(data, 'binary'); }
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if (obj.parent.debugLevel >= 1) { // DEBUG
parent.debug('webrelaydata', 'TCP relay data from ' + node.host + ', ' + data.length + ' bytes.');
//if (obj.parent.debugLevel >= 4) { Debug(4, ' ' + Buffer.from(data, 'binary').toString('hex')); }
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}
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if (ws.interceptor) { data = ws.interceptor.processAmtData(data); } // Run data thru interceptor
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if (ws.logfile == null) {
// No logging
try { ws.send(data); } catch (e) { }
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} else {
// Log to recording file
recordingEntry(ws.logfile.fd, 2, 0, data, function () { try { ws.send(data); } catch (e) { } });
}
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});
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// If the TCP connection closes, disconnect the associated web socket.
ws.forwardclient.on('close', function () {
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parent.debug('webrelay', 'TCP relay disconnected from ' + node.host + ':' + port + '.');
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try { ws.close(); } catch (e) { }
});
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// If the TCP connection causes an error, disconnect the associated web socket.
ws.forwardclient.on('error', function (err) {
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parent.debug('webrelay', 'TCP relay error from ' + node.host + ':' + port + ': ' + err);
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try { ws.close(); } catch (e) { }
});
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// Fetch Intel AMT credentials & Setup interceptor
if (req.query.p == 1) { ws.interceptor = obj.interceptor.CreateHttpInterceptor({ host: node.host, port: port, user: node.intelamt.user, pass: node.intelamt.pass }); }
else if (req.query.p == 2) { ws.interceptor = obj.interceptor.CreateRedirInterceptor({ user: node.intelamt.user, pass: node.intelamt.pass }); }
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if (node.intelamt.tls == 0) {
// A TCP connection to Intel AMT just connected, start forwarding.
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ws.forwardclient.connect(port, node.host, function () {
parent.debug('webrelay', 'TCP relay connected to ' + node.host + ':' + port + '.');
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ws.forwardclient.xstate = 1;
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ws._socket.resume();
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});
}
return;
}
});
}
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// Handle a Intel AMT activation request
function handleAmtActivateWebSocket(ws, req) {
const domain = checkUserIpAddress(ws, req);
if (domain == null) { return; }
if (req.query.id == null) { ws.send(JSON.stringify({ errorText: 'Missing group identifier' })); ws.close(); return; }
// Fetch the mesh object
ws.meshid = 'mesh/' + domain.id + '/' + req.query.id;
const mesh = obj.meshes[ws.meshid];
if (mesh == null) { ws.send(JSON.stringify({ errorText: 'Invalid device group: ' + ws.meshid })); delete ws.meshid; ws.close(); return; }
if (mesh.mtype != 1) { ws.send(JSON.stringify({ errorText: 'Invalid device group type:' + ws.meshid })); delete ws.meshid; ws.close(); return; }
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// Fetch the remote IP:Port for logging
ws.remoteaddr = req.clientIp;
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ws.remoteaddrport = ws.remoteaddr + ':' + ws._socket.remotePort;
// When data is received from the web socket, echo it back
ws.on('message', function (data) {
// Parse the incoming command
var cmd = null;
try { cmd = JSON.parse(data); } catch (ex) { };
if (cmd == null) return;
// Process the command
switch (cmd.action) {
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case 'ccmactivate':
case 'acmactivate': {
// Check the command
if (cmd.version != 1) { ws.send(JSON.stringify({ errorText: 'Unsupported version' })); ws.close(); return; }
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if (obj.common.validateString(cmd.realm, 16, 256) == false) { ws.send(JSON.stringify({ errorText: 'Invalid realm argument' })); ws.close(); return; }
if (obj.common.validateString(cmd.uuid, 36, 36) == false) { ws.send(JSON.stringify({ errorText: 'Invalid UUID argument' })); ws.close(); return; }
if (typeof cmd.hashes !== 'object') { ws.send(JSON.stringify({ errorText: 'Invalid hashes' })); ws.close(); return; }
if (typeof cmd.fqdn !== 'string') { ws.send(JSON.stringify({ errorText: 'Invalid FQDN' })); ws.close(); return; }
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if ((obj.common.validateString(cmd.ver, 5, 16) == false) || (cmd.ver.split('.').length != 3)) { ws.send(JSON.stringify({ errorText: 'Invalid Intel AMT version' })); ws.close(); return; }
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if (obj.common.validateArray(cmd.modes, 1, 2) == false) { ws.send(JSON.stringify({ errorText: 'Invalid activation modes' })); ws.close(); return; }
if (obj.common.validateInt(cmd.currentMode, 0, 2) == false) { ws.send(JSON.stringify({ errorText: 'Invalid current mode' })); ws.close(); return; }
if (typeof cmd.sku !== 'number') { ws.send(JSON.stringify({ errorText: 'Invalid SKU number' })); ws.close(); return; }
// Get the current Intel AMT policy
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var mesh = obj.meshes[ws.meshid], activationMode = 4; // activationMode: 2 = CCM, 4 = ACM
if ((mesh == null) || (mesh.amt == null) || (mesh.amt.password == null) || ((mesh.amt.type != 2) && (mesh.amt.type != 3))) { ws.send(JSON.stringify({ errorText: 'Unable to activate' })); ws.close(); return; }
if ((mesh.amt.type != 3) || (domain.amtacmactivation == null) || (domain.amtacmactivation.acmmatch == null)) { activationMode = 2; }
if (activationMode == 4) {
// Check if we have a FQDN/Hash match
var matchingHash = null, matchingCN = null;
for (var i in domain.amtacmactivation.acmmatch) {
// Check for a matching FQDN
if ((domain.amtacmactivation.acmmatch[i].cn == '*') || (domain.amtacmactivation.acmmatch[i].cn.toLowerCase() == cmd.fqdn)) {
// Check for a matching certificate
if (cmd.hashes.indexOf(domain.amtacmactivation.acmmatch[i].sha256) >= 0) {
matchingCN = domain.amtacmactivation.acmmatch[i].cn;
matchingHash = domain.amtacmactivation.acmmatch[i].sha256;
continue;
} else if (cmd.hashes.indexOf(domain.amtacmactivation.acmmatch[i].sha1) >= 0) {
matchingCN = domain.amtacmactivation.acmmatch[i].cn;
matchingHash = domain.amtacmactivation.acmmatch[i].sha1;
continue;
}
}
}
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// If no cert match or wildcard match which is not yet supported, do CCM activation.
if ((matchingHash == null) || (matchingCN == '*')) { ws.send(JSON.stringify({ messageText: 'No matching ACM activation certificates, activating in CCM instead...' })); activationMode = 2; } else { cmd.hash = matchingHash; }
}
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// Check if we are going to activate in an allowed mode. cmd.modes: 1 = CCM, 2 = ACM
if ((activationMode == 4) && (cmd.modes.indexOf(2) == -1)) { ws.send(JSON.stringify({ messageText: 'ACM not allowed on this machine, activating in CCM instead...' })); activationMode = 2; } // We want to do ACM, but mode is not allowed. Change to CCM.
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// If we want to do CCM, but mode is not allowed. Error out.
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if ((activationMode == 2) && (cmd.modes.indexOf(1) == -1)) { ws.send(JSON.stringify({ errorText: 'CCM is not an allowed activation mode' })); ws.close(); return; }
// Get the Intel AMT admin password, randomize if needed.
var amtpassword = ((mesh.amt.password == '') ? getRandomAmtPassword() : mesh.amt.password);
if (checkAmtPassword(amtpassword) == false) { ws.send(JSON.stringify({ errorText: 'Invalid Intel AMT password' })); ws.close(); return; } // Invalid Intel AMT password, this should never happen.
// Save some state, if activation is successful, we need this to add the device
ws.xxstate = { uuid: cmd.uuid, realm: cmd.realm, tag: cmd.tag, name: cmd.name, hostname: cmd.hostname, pass: amtpassword, flags: activationMode, ver: cmd.ver, sku: cmd.sku }; // Flags: 2 = CCM, 4 = ACM
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if (activationMode == 4) {
// ACM: Agent is asking the server to sign an Intel AMT ACM activation request
var signResponse = parent.certificateOperations.signAcmRequest(domain, cmd, 'admin', amtpassword, ws.remoteaddrport, null, ws.meshid, null, null);
ws.send(JSON.stringify(signResponse));
} else {
// CCM: Log the activation request, logging is a required step for activation.
if (parent.certificateOperations.logAmtActivation(domain, { time: new Date(), action: 'ccmactivate', domain: domain.id, amtUuid: cmd.uuid, amtRealm: cmd.realm, user: 'admin', password: amtpassword, ipport: ws.remoteaddrport, meshid: ws.meshid, tag: cmd.tag, name: cmd.name }) == false) return { errorText: 'Unable to log operation' };
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// Compute the HTTP digest hash and send the response for CCM activation
ws.send(JSON.stringify({ action: 'ccmactivate', password: obj.crypto.createHash('md5').update('admin:' + cmd.realm + ':' + amtpassword).digest('hex') }));
}
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break;
}
case 'ccmactivate-failed':
case 'acmactivate-failed': {
// Log the activation response
parent.certificateOperations.logAmtActivation(domain, { time: new Date(), action: cmd.action, domain: domain.id, amtUuid: cmd.uuid, ipport: ws.remoteaddrport, meshid: ws.meshid });
break;
}
case 'amtdiscover':
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case 'ccmactivate-success':
case 'acmactivate-success': {
// If this is a discovery command, set the state.
if (cmd.action == 'amtdiscover') {
if (cmd.version != 1) { ws.send(JSON.stringify({ errorText: 'Unsupported version' })); ws.close(); return; }
if (obj.common.validateString(cmd.realm, 16, 256) == false) { ws.send(JSON.stringify({ errorText: 'Invalid realm argument' })); ws.close(); return; }
if (obj.common.validateString(cmd.uuid, 36, 36) == false) { ws.send(JSON.stringify({ errorText: 'Invalid UUID argument' })); ws.close(); return; }
if (typeof cmd.hashes != 'object') { ws.send(JSON.stringify({ errorText: 'Invalid hashes' })); ws.close(); return; }
if (typeof cmd.fqdn != 'string') { ws.send(JSON.stringify({ errorText: 'Invalid FQDN' })); ws.close(); return; }
if ((obj.common.validateString(cmd.ver, 5, 16) == false) || (cmd.ver.split('.').length != 3)) { ws.send(JSON.stringify({ errorText: 'Invalid Intel AMT version' })); ws.close(); return; }
if (obj.common.validateArray(cmd.modes, 1, 2) == false) { ws.send(JSON.stringify({ errorText: 'Invalid activation modes' })); ws.close(); return; }
if (obj.common.validateInt(cmd.currentMode, 0, 2) == false) { ws.send(JSON.stringify({ errorText: 'Invalid current mode' })); ws.close(); return; }
var activationMode = 0; if (cmd.currentMode == 1) { activationMode = 2; } else if (cmd.currentMode == 2) { activationMode = 4; }
ws.xxstate = { uuid: cmd.uuid, realm: cmd.realm, tag: cmd.tag, name: cmd.name, hostname: cmd.hostname, flags: activationMode, ver: cmd.ver, sku: cmd.sku }; // Flags: 2 = CCM, 4 = ACM
} else {
// If this is an activation success, check that state was set already.
if (ws.xxstate == null) { ws.send(JSON.stringify({ errorText: 'Invalid command' })); ws.close(); return; }
}
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// Log the activation response
parent.certificateOperations.logAmtActivation(domain, { time: new Date(), action: cmd.action, domain: domain.id, amtUuid: cmd.uuid, ipport: ws.remoteaddrport, meshid: ws.meshid });
// Get the current Intel AMT policy
var mesh = obj.meshes[ws.meshid];
if (mesh == null) { ws.send(JSON.stringify({ errorText: 'Unknown device group' })); ws.close(); return; }
// Fix the computer name if needed
if ((ws.xxstate.name == null) || (ws.xxstate.name.length == 0)) { ws.xxstate.name = ws.xxstate.hostname; }
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if ((ws.xxstate.name == null) || (ws.xxstate.name.length == 0)) { ws.xxstate.name = ws.xxstate.uuid; }
db.getAmtUuidNode(ws.meshid, ws.xxstate.uuid, function (err, nodes) {
if ((nodes == null) || (nodes.length == 0)) {
// Create a new nodeid
parent.crypto.randomBytes(48, function (err, buf) {
// Create the new node
var xxnodeid = 'node/' + domain.id + '/' + buf.toString('base64').replace(/\+/g, '@').replace(/\//g, '$');
var device = { type: 'node', _id: xxnodeid, meshid: ws.meshid, name: ws.xxstate.name, rname: ws.xxstate.name, host: ws.remoteaddr, domain: domain.id, intelamt: { state: 2, flags: ws.xxstate.flags, tls: 0, uuid: ws.xxstate.uuid, realm: ws.xxstate.realm, tag: ws.xxstate.tag, ver: ws.xxstate.ver, sku: ws.xxstate.sku } };
if (ws.xxstate.pass != null) { device.intelamt.user = 'admin'; device.intelamt.pass = ws.xxstate.pass; }
if (device.intelamt.flags != 0) { device.intelamt.state = 2; } else { device.intelamt.state = 0; }
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db.Set(device);
// Event the new node
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var device2 = Object.assign({}, device); // Shallow clone
device2.intelamt = Object.assign({}, device2.intelamt); // Shallow clone
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delete device2.intelamt.pass; // Remove the Intel AMT password before eventing this.
parent.DispatchEvent(['*', ws.meshid], obj, { etype: 'node', action: 'addnode', node: device2, msg: 'Added device ' + ws.xxstate.name + ' to mesh ' + mesh.name, domain: domain.id });
});
} else {
// Change an existing device
var device = nodes[0];
if (device.host != ws.remoteaddr) { device.host = ws.remoteaddr; }
if ((ws.xxstate.name != null) && (device.rname != ws.xxstate.name)) { device.rname = ws.xxstate.name; }
if (device.intelamt.flags != 0) {
if (device.intelamt.state != 2) { device.intelamt.state = 2; }
}
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if (device.intelamt.flags != ws.xxstate.flags) { device.intelamt.state = ws.xxstate.flags; }
if (ws.xxstate.pass != null) {
if (device.intelamt.user != 'admin') { device.intelamt.user = 'admin'; }
if (device.intelamt.pass != ws.xxstate.pass) { device.intelamt.pass = ws.xxstate.pass; }
}
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if (device.intelamt.realm != ws.xxstate.realm) { device.intelamt.realm = ws.xxstate.realm; }
if (ws.xxstate.realm == null) { delete device.intelamt.tag; }
else if (device.intelamt.tag != ws.xxstate.tag) { device.intelamt.tag = ws.xxstate.tag; }
if (device.intelamt.ver != ws.xxstate.ver) { device.intelamt.ver = ws.xxstate.ver; }
if (device.intelamt.sku != ws.xxstate.sku) { device.intelamt.sku = ws.xxstate.sku; }
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db.Set(device);
// Event the new node
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var device2 = Object.assign({}, device); // Shallow clone
device2.intelamt = Object.assign({}, device2.intelamt); // Shallow clone
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delete device2.intelamt.pass; // Remove the Intel AMT password before eventing this.
if (obj.db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to change the node. Another event will come.
parent.DispatchEvent(['*', ws.meshid], obj, { etype: 'node', action: 'changenode', nodeid: device2._id, node: device2, msg: 'Changed device ' + device.name + ' in mesh ' + mesh.name, domain: domain.id });
}
});
if (cmd.action == 'amtdiscover') { ws.send(JSON.stringify({ action: 'amtdiscover' })); }
break;
}
default: {
// This is not a known command
ws.send(JSON.stringify({ errorText: 'Invalid command' })); ws.close(); return;
}
}
});
// If close or error, do nothing.
ws.on('error', function (err) { });
ws.on('close', function (req) { });
}
// Setup agent to/from server file transfer handler
function handleAgentFileTransfer(ws, req) {
var domain = checkAgentIpAddress(ws, req);
if (domain == null) { parent.debug('web', 'Got agent file transfer connection with bad domain or blocked IP address ' + req.clientIp + ', dropping.'); ws.close(); return; }
if (req.query.c == null) { parent.debug('web', 'Got agent file transfer connection without a cookie from ' + req.clientIp + ', dropping.'); ws.close(); return; }
var c = obj.parent.decodeCookie(req.query.c, obj.parent.loginCookieEncryptionKey, 10); // 10 minute timeout
if ((c == null) || (c.a != 'aft')) { parent.debug('web', 'Got agent file transfer connection with invalid cookie from ' + req.clientIp + ', dropping.'); ws.close(); return; }
ws.xcmd = c.b; ws.xarg = c.c, ws.xfilelen = 0;
ws.send('c'); // Indicate connection of the tunnel. In this case, we are the termination point.
ws.send('5'); // Indicate we want to perform file transfers (5 = Files).
if (ws.xcmd == 'coredump') {
// Check the agent core dump folder if not already present.
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var coreDumpPath = obj.path.join(parent.datapath, '..', 'meshcentral-coredumps');
if (obj.fs.existsSync(coreDumpPath) == false) { try { obj.fs.mkdirSync(coreDumpPath); } catch (ex) { } }
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ws.xfilepath = obj.path.join(parent.datapath, '..', 'meshcentral-coredumps', ws.xarg);
ws.xid = 'coredump';
ws.send(JSON.stringify({ action: 'download', sub: 'start', ask: 'coredump', id: 'coredump' })); // Ask for a core dump file
}
// When data is received from the web socket, echo it back
ws.on('message', function (data) {
if (typeof data == 'string') {
// Control message
var cmd = null;
try { cmd = JSON.parse(data); } catch (ex) { }
if ((cmd == null) || (cmd.action != 'download') || (cmd.sub == null)) return;
switch (cmd.sub) {
case 'start': {
// Perform an async file open
var callback = function onFileOpen(err, fd) {
onFileOpen.xws.xfile = fd;
onFileOpen.xws.send(JSON.stringify({ action: 'download', sub: 'startack', id: onFileOpen.xws.xid, ack: 1 })); // Ask for a directory (test)
};
callback.xws = this;
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obj.fs.open(this.xfilepath + '.part', 'w', callback);
break;
}
}
} else {
// Binary message
if (data.length < 4) return;
var flags = data.readInt32BE(0);
if ((data.length > 4)) {
// Write the file
this.xfilelen += (data.length - 4);
try {
var callback = function onFileDataWritten(err, bytesWritten, buffer) {
if (onFileDataWritten.xflags & 1) {
// End of file
parent.debug('web', "Completed downloads of agent dumpfile, " + onFileDataWritten.xws.xfilelen + " bytes.");
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if (onFileDataWritten.xws.xfile) {
obj.fs.close(onFileDataWritten.xws.xfile, function (err) { });
obj.fs.rename(onFileDataWritten.xws.xfilepath + '.part', onFileDataWritten.xws.xfilepath, function (err) { });
onFileDataWritten.xws.xfile = null;
}
onFileDataWritten.xws.send(JSON.stringify({ action: 'markcoredump' })); // Ask to delete the core dump file
try { onFileDataWritten.xws.close(); } catch (ex) { }
} else {
// Send ack
onFileDataWritten.xws.send(JSON.stringify({ action: 'download', sub: 'ack', id: onFileDataWritten.xws.xid })); // Ask for a directory (test)
}
};
callback.xws = this;
callback.xflags = flags;
obj.fs.write(this.xfile, data, 4, data.length - 4, callback);
} catch (ex) { }
} else {
if (flags & 1) {
// End of file
parent.debug('web', "Completed downloads of agent dumpfile, " + this.xfilelen + " bytes.");
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if (this.xfile) {
obj.fs.close(this.xfile, function (err) { });
obj.fs.rename(this.xfilepath + '.part', this.xfilepath, function (err) { });
this.xfile = null;
}
this.send(JSON.stringify({ action: 'markcoredump' })); // Ask to delete the core dump file
try { this.close(); } catch (ex) { }
} else {
// Send ack
this.send(JSON.stringify({ action: 'download', sub: 'ack', id: this.xid })); // Ask for a directory (test)
}
}
}
});
// If error, do nothing.
ws.on('error', function (err) { console.log('Agent file transfer server error from ' + req.clientIp + ', ' + err.toString().split('\r')[0] + '.'); });
// If closed, do nothing
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ws.on('close', function (req) {
if (this.xfile) {
obj.fs.close(this.xfile, function (err) { });
obj.fs.unlink(this.xfilepath + '.part', function (err) { }); // Remove a partial file
}
});
}
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// Handle the web socket echo request, just echo back the data sent
function handleEchoWebSocket(ws, req) {
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const domain = checkUserIpAddress(ws, req);
if (domain == null) { return; }
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ws._socket.setKeepAlive(true, 240000); // Set TCP keep alive
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// When data is received from the web socket, echo it back
ws.on('message', function (data) {
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if (data.toString('utf8') == 'close') {
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try { ws.close(); } catch (e) { console.log(e); }
} else {
try { ws.send(data); } catch (e) { console.log(e); }
}
});
// If error, do nothing.
ws.on('error', function (err) { console.log('Echo server error from ' + req.clientIp + ', ' + err.toString().split('\r')[0] + '.'); });
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// If closed, do nothing
ws.on('close', function (req) { });
}
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// Get the total size of all files in a folder and all sub-folders. (TODO: try to make all async version)
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function readTotalFileSize(path) {
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var r = 0, dir;
try { dir = obj.fs.readdirSync(path); } catch (e) { return 0; }
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for (var i in dir) {
var stat = obj.fs.statSync(path + '/' + dir[i]);
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if ((stat.mode & 0x004000) == 0) { r += stat.size; } else { r += readTotalFileSize(path + '/' + dir[i]); }
}
return r;
}
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// Delete a folder and all sub items. (TODO: try to make all async version)
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function deleteFolderRec(path) {
if (obj.fs.existsSync(path) == false) return;
try {
obj.fs.readdirSync(path).forEach(function (file, index) {
var pathx = path + '/' + file;
if (obj.fs.lstatSync(pathx).isDirectory()) { deleteFolderRec(pathx); } else { obj.fs.unlinkSync(pathx); }
});
obj.fs.rmdirSync(path);
} catch (ex) { }
}
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// Handle Intel AMT events
// To subscribe, add "http://server:port/amtevents.ashx" to Intel AMT subscriptions.
obj.handleAmtEventRequest = function (req, res) {
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const domain = getDomain(req);
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try {
if (req.headers.authorization) {
var authstr = req.headers.authorization;
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if (authstr.substring(0, 7) == 'Digest ') {
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var auth = obj.common.parseNameValueList(obj.common.quoteSplit(authstr.substring(7)));
if ((req.url === auth.uri) && (obj.httpAuthRealm === auth.realm) && (auth.opaque === obj.crypto.createHmac('SHA384', obj.httpAuthRandom).update(auth.nonce).digest('hex'))) {
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// Read the data, we need to get the arg field
var eventData = '';
req.on('data', function (chunk) { eventData += chunk; });
req.on('end', function () {
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// Completed event read, let get the argument that must contain the nodeid
var i = eventData.indexOf('<m:arg xmlns:m="http://x.com">');
if (i > 0) {
var nodeid = eventData.substring(i + 30, i + 30 + 64);
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if (nodeid.length == 64) {
var nodekey = 'node/' + domain.id + '/' + nodeid;
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// See if this node exists in the database
obj.db.Get(nodekey, function (err, nodes) {
if (nodes.length == 1) {
// Yes, the node exists, compute Intel AMT digest password
var node = nodes[0];
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var amtpass = obj.crypto.createHash('sha384').update(auth.username.toLowerCase() + ':' + nodeid + ":" + obj.parent.dbconfig.amtWsEventSecret).digest('base64').substring(0, 12).split('/').join('x').split('\\').join('x');
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// Check the MD5 hash
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if (auth.response === obj.common.ComputeDigesthash(auth.username, amtpass, auth.realm, 'POST', auth.uri, auth.qop, auth.nonce, auth.nc, auth.cnonce)) {
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// This is an authenticated Intel AMT event, update the host address
var amthost = req.clientIp;
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if (amthost.substring(0, 7) === '::ffff:') { amthost = amthost.substring(7); }
if (node.host != amthost) {
// Get the mesh for this device
var mesh = obj.meshes[node.meshid];
if (mesh) {
// Update the database
var oldname = node.host;
node.host = amthost;
2020-03-31 03:47:04 +03:00
obj.db.Set(obj.cleanDevice(node));
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// Event the node change
var event = { etype: 'node', action: 'changenode', nodeid: node._id, domain: domain.id, msg: 'Intel(R) AMT host change ' + node.name + ' from group ' + mesh.name + ': ' + oldname + ' to ' + amthost };
2019-10-11 21:16:36 +03:00
// Remove the Intel AMT password before eventing this.
event.node = node;
if (event.node.intelamt && event.node.intelamt.pass) {
event.node = Object.assign({}, event.node); // Shallow clone
event.node.intelamt = Object.assign({}, event.node.intelamt); // Shallow clone
delete event.node.intelamt.pass;
}
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if (obj.db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to change the node. Another event will come.
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obj.parent.DispatchEvent(['*', node.meshid], obj, event);
}
}
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parent.amtEventHandler.handleAmtEvent(eventData, nodeid, amthost);
//res.send('OK');
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return;
}
}
});
}
}
});
}
}
}
} catch (e) { console.log(e); }
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// Send authentication response
obj.crypto.randomBytes(48, function (err, buf) {
var nonce = buf.toString('hex'), opaque = obj.crypto.createHmac('SHA384', obj.httpAuthRandom).update(nonce).digest('hex');
2017-08-28 19:27:45 +03:00
res.set({ 'WWW-Authenticate': 'Digest realm="' + obj.httpAuthRealm + '", qop="auth,auth-int", nonce="' + nonce + '", opaque="' + opaque + '"' });
res.sendStatus(401);
});
};
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// Handle a server backup request
function handleBackupRequest(req, res) {
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const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.sendStatus(404); return; } // Check 3FA URL key
if ((!req.session) || (req.session == null) || (!req.session.userid)) { res.sendStatus(401); return; }
if ((domain.myserver === false) || ((domain.myserver != null) && (domain.myserver.backup !== true))) { res.sendStatus(401); return; }
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var user = obj.users[req.session.userid];
if ((user == null) || ((user.siteadmin & 1) == 0)) { res.sendStatus(401); return; } // Check if we have server backup rights
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// Require modules
const archive = require('archiver')('zip', { level: 9 }); // Sets the compression method to maximum.
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// Good practice to catch this error explicitly
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archive.on('error', function (err) { throw err; });
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// Set the archive name
res.attachment((domain.title ? domain.title : 'MeshCentral') + '-Backup-' + new Date().toLocaleDateString().replace('/', '-').replace('/', '-') + '.zip');
2017-08-28 19:27:45 +03:00
// Pipe archive data to the file
archive.pipe(res);
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// Append files from a glob pattern
archive.directory(obj.parent.datapath, false);
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// Finalize the archive (ie we are done appending files but streams have to finish yet)
archive.finalize();
}
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// Handle a server restore request
function handleRestoreRequest(req, res) {
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const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.sendStatus(404); return; } // Check 3FA URL key
if ((domain.myserver === false) || ((domain.myserver != null) && (domain.myserver.restore !== true))) { res.sendStatus(401); return; }
var authUserid = null;
if ((req.session != null) && (typeof req.session.userid == 'string')) { authUserid = req.session.userid; }
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const multiparty = require('multiparty');
const form = new multiparty.Form();
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form.parse(req, function (err, fields, files) {
// If an authentication cookie is embedded in the form, use that.
if ((fields != null) && (fields.auth != null) && (fields.auth.length == 1) && (typeof fields.auth[0] == 'string')) {
var loginCookie = obj.parent.decodeCookie(fields.auth[0], obj.parent.loginCookieEncryptionKey, 60); // 60 minute timeout
if ((loginCookie != null) && (obj.args.cookieipcheck !== false) && (loginCookie.ip != null) && (loginCookie.ip != req.clientIp)) { loginCookie = null; } // Check cookie IP binding.
if ((loginCookie != null) && (domain.id == loginCookie.domainid)) { authUserid = loginCookie.userid; } // Use cookie authentication
}
if (authUserid == null) { res.sendStatus(401); return; }
// Get the user
const user = obj.users[req.session.userid];
if ((user == null) || ((user.siteadmin & 4) == 0)) { res.sendStatus(401); return; } // Check if we have server restore rights
2020-09-28 20:34:44 +03:00
res.set('Content-Type', 'text/html');
res.end('<html><body>Server must be restarted, <a href="' + domain.url + '">click here to login</a>.</body></html>');
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parent.Stop(files.datafile[0].path);
});
}
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// Handle a request to download a mesh agent
obj.handleMeshAgentRequest = function (req, res) {
var domain = getDomain(req, res);
if (domain == null) { parent.debug('web', 'handleRootRequest: invalid domain.'); try { res.sendStatus(404); } catch (ex) { } return; }
2018-01-31 05:23:57 +03:00
// If required, check if this user has rights to do this
if ((obj.parent.config.settings != null) && ((obj.parent.config.settings.lockagentdownload == true) || (domain.lockagentdownload == true)) && (req.session.userid == null)) { res.sendStatus(401); return; }
2018-01-31 05:23:57 +03:00
if ((req.query.meshinstall != null) && (req.query.id != null)) {
if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.sendStatus(404); return; } // Check 3FA URL key
// Send meshagent with included self installer for a specific platform back
// Start by getting the .msh for this request
var meshsettings = getMshFromRequest(req, res, domain);
if (meshsettings == null) { res.sendStatus(401); return; }
// Get the interactive install script, this only works for non-Windows agents
var agentid = parseInt(req.query.meshinstall);
var argentInfo = obj.parent.meshAgentBinaries[agentid];
var scriptInfo = obj.parent.meshAgentInstallScripts[6];
if ((argentInfo == null) || (scriptInfo == null) || (argentInfo.platform == 'win32')) { res.sendStatus(404); return; }
// Change the .msh file into JSON format and merge it into the install script
var tokens, msh = {}, meshsettingslines = meshsettings.split('\r').join('').split('\n');
for (var i in meshsettingslines) { tokens = meshsettingslines[i].split('='); if (tokens.length == 2) { msh[tokens[0]] = tokens[1]; } }
var js = scriptInfo.data.replace('var msh = {};', 'var msh = ' + JSON.stringify(msh) + ';');
2020-10-23 23:49:38 +03:00
setContentDispositionHeader(res, 'application/octet-stream', 'meshagent', null, 'meshagent');
res.statusCode = 200;
obj.parent.exeHandler.streamExeWithJavaScript({ platform: argentInfo.platform, sourceFileName: argentInfo.path, destinationStream: res, js: Buffer.from(js, 'utf8'), peinfo: argentInfo.pe });
} else if (req.query.id != null) {
2017-08-28 19:27:45 +03:00
// Send a specific mesh agent back
var argentInfo = obj.parent.meshAgentBinaries[req.query.id];
if (argentInfo == null) { res.sendStatus(404); return; }
2020-10-26 11:22:46 +03:00
// Download PDB debug files, only allowed for administrator or accounts with agent dump access
2020-10-26 21:13:27 +03:00
if (req.query.pdb == 1) {
if ((req.session == null) || (req.session.userid == null)) { res.sendStatus(404); return; }
var user = obj.users[req.session.userid];
if (user == null) { res.sendStatus(404); return; }
if ((user != null) && ((user.siteadmin == 0xFFFFFFFF) || ((Array.isArray(obj.parent.config.settings.agentcoredumpusers)) && (obj.parent.config.settings.agentcoredumpusers.indexOf(user._id) >= 0)))) {
if (argentInfo.id == 3) { setContentDispositionHeader(res, 'application/octet-stream', 'MeshService.pdb', null, 'MeshService.pdb'); res.sendFile(argentInfo.path.split('MeshService-signed.exe').join('MeshService.pdb')); return; }
if (argentInfo.id == 4) { setContentDispositionHeader(res, 'application/octet-stream', 'MeshService64.pdb', null, 'MeshService64.pdb'); res.sendFile(argentInfo.path.split('MeshService64-signed.exe').join('MeshService64.pdb')); return; }
}
res.sendStatus(404); return;
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}
2018-01-20 05:04:54 +03:00
if ((req.query.meshid == null) || (argentInfo.platform != 'win32')) {
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setContentDispositionHeader(res, 'application/octet-stream', argentInfo.rname, null, 'meshagent');
if (argentInfo.data == null) { res.sendFile(argentInfo.path); } else { res.end(argentInfo.data); }
2018-01-20 05:04:54 +03:00
} else {
// Check if the meshid is a time limited, encrypted cookie
var meshcookie = obj.parent.decodeCookie(req.query.meshid, obj.parent.invitationLinkEncryptionKey);
if ((meshcookie != null) && (meshcookie.m != null)) { req.query.meshid = meshcookie.m; }
2018-01-20 05:04:54 +03:00
// We are going to embed the .msh file into the Windows executable (signed or not).
// First, fetch the mesh object to build the .msh file
var mesh = obj.meshes['mesh/' + domain.id + '/' + req.query.meshid];
if (mesh == null) { res.sendStatus(401); return; }
// If required, check if this user has rights to do this
if ((obj.parent.config.settings != null) && ((obj.parent.config.settings.lockagentdownload == true) || (domain.lockagentdownload == true))) {
if ((domain.id != mesh.domain) || ((obj.GetMeshRights(req.session.userid, mesh) & 1) == 0)) { res.sendStatus(401); return; }
}
2018-01-20 05:04:54 +03:00
var meshidhex = Buffer.from(req.query.meshid.replace(/\@/g, '+').replace(/\$/g, '/'), 'base64').toString('hex').toUpperCase();
var serveridhex = Buffer.from(obj.agentCertificateHashBase64.replace(/\@/g, '+').replace(/\$/g, '/'), 'base64').toString('hex').toUpperCase();
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var httpsPort = ((obj.args.aliasport == null) ? obj.args.port : obj.args.aliasport); // Use HTTPS alias port if specified
if (obj.args.agentport != null) { httpsPort = obj.args.agentport; } // If an agent only port is enabled, use that.
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if (obj.args.agentaliasport != null) { httpsPort = obj.args.agentaliasport; } // If an agent alias port is specified, use that.
2018-01-20 05:04:54 +03:00
// Prepare a mesh agent file name using the device group name.
var meshfilename = mesh.name
meshfilename = meshfilename.split('\\').join('').split('/').join('').split(':').join('').split('*').join('').split('?').join('').split('"').join('').split('<').join('').split('>').join('').split('|').join('').split(' ').join('').split('\'').join('');
if (argentInfo.rname.endsWith('.exe')) { meshfilename = argentInfo.rname.substring(0, argentInfo.rname.length - 4) + '-' + meshfilename + '.exe'; } else { meshfilename = argentInfo.rname + '-' + meshfilename; }
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// Get the agent connection server name
var serverName = obj.getWebServerName(domain);
if (typeof obj.args.agentaliasdns == 'string') { serverName = obj.args.agentaliasdns; }
// Build the agent connection URL. If we are using a sub-domain or one with a DNS, we need to craft the URL correctly.
var xdomain = (domain.dns == null) ? domain.id : '';
2019-12-27 09:53:01 +03:00
if (xdomain != '') xdomain += '/';
var meshsettings = '\r\nMeshName=' + mesh.name + '\r\nMeshType=' + mesh.mtype + '\r\nMeshID=0x' + meshidhex + '\r\nServerID=' + serveridhex + '\r\n';
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if (obj.args.lanonly != true) { meshsettings += 'MeshServer=wss://' + serverName + ':' + httpsPort + '/' + xdomain + 'agent.ashx\r\n'; } else {
meshsettings += 'MeshServer=local\r\n';
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if ((obj.args.localdiscovery != null) && (typeof obj.args.localdiscovery.key == 'string') && (obj.args.localdiscovery.key.length > 0)) { meshsettings += 'DiscoveryKey=' + obj.args.localdiscovery.key + '\r\n'; }
}
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if ((req.query.tag != null) && (typeof req.query.tag == 'string') && (obj.common.isAlphaNumeric(req.query.tag) == true)) { meshsettings += 'Tag=' + req.query.tag + '\r\n'; }
if ((req.query.installflags != null) && (req.query.installflags != 0) && (parseInt(req.query.installflags) == req.query.installflags)) { meshsettings += 'InstallFlags=' + parseInt(req.query.installflags) + '\r\n'; }
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if ((domain.agentnoproxy === true) || (obj.args.lanonly == true)) { meshsettings += 'ignoreProxyFile=1\r\n'; }
if (obj.args.agentconfig) { for (var i in obj.args.agentconfig) { meshsettings += obj.args.agentconfig[i] + '\r\n'; } }
if (domain.agentconfig) { for (var i in domain.agentconfig) { meshsettings += domain.agentconfig[i] + '\r\n'; } }
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if (domain.agentcustomization != null) { // Add agent customization
if (domain.agentcustomization.displayname != null) { meshsettings += 'displayName=' + domain.agentcustomization.displayname + '\r\n'; }
if (domain.agentcustomization.description != null) { meshsettings += 'description=' + domain.agentcustomization.description + '\r\n'; }
if (domain.agentcustomization.companyname != null) { meshsettings += 'companyName=' + domain.agentcustomization.companyname + '\r\n'; }
if (domain.agentcustomization.servicename != null) { meshsettings += 'meshServiceName=' + domain.agentcustomization.servicename + '\r\n'; }
}
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setContentDispositionHeader(res, 'application/octet-stream', meshfilename, null, argentInfo.rname);
obj.parent.exeHandler.streamExeWithMeshPolicy({ platform: 'win32', sourceFileName: obj.parent.meshAgentBinaries[req.query.id].path, destinationStream: res, msh: meshsettings, peinfo: obj.parent.meshAgentBinaries[req.query.id].pe });
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}
} else if (req.query.script != null) {
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if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.sendStatus(404); return; } // Check 3FA URL key
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// Send a specific mesh install script back
var scriptInfo = obj.parent.meshAgentInstallScripts[req.query.script];
if (scriptInfo == null) { res.sendStatus(404); return; }
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setContentDispositionHeader(res, 'application/octet-stream', scriptInfo.rname, null, 'script');
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var data = scriptInfo.data;
var cmdoptions = { wgetoptionshttp: '', wgetoptionshttps: '', curloptionshttp: '-L ', curloptionshttps: '-L ' }
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if (obj.isTrustedCert(domain) != true) {
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cmdoptions.wgetoptionshttps += '--no-check-certificate ';
cmdoptions.curloptionshttps += '-k ';
}
if (domain.agentnoproxy === true) {
cmdoptions.wgetoptionshttp += '--no-proxy ';
cmdoptions.wgetoptionshttps += '--no-proxy ';
cmdoptions.curloptionshttp += '--noproxy \'*\' ';
cmdoptions.curloptionshttps += '--noproxy \'*\' ';
}
for (var i in cmdoptions) { data = data.split('{{{' + i + '}}}').join(cmdoptions[i]); }
res.send(data);
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} else if (req.query.meshcmd != null) {
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if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.sendStatus(404); return; } // Check 3FA URL key
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// Send meshcmd for a specific platform back
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var agentid = parseInt(req.query.meshcmd);
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// If the agentid is 3 or 4, check if we have a signed MeshCmd.exe
if ((agentid == 3)) { // Signed Windows MeshCmd.exe x86
var stats = null, meshCmdPath = obj.path.join(__dirname, 'agents', 'MeshCmd-signed.exe');
try { stats = obj.fs.statSync(meshCmdPath); } catch (e) { }
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if ((stats != null)) {
setContentDispositionHeader(res, 'application/octet-stream', 'meshcmd' + ((req.query.meshcmd <= 3) ? '.exe' : ''), null, 'meshcmd');
res.sendFile(meshCmdPath); return;
}
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} else if ((agentid == 4)) { // Signed Windows MeshCmd64.exe x64
var stats = null, meshCmd64Path = obj.path.join(__dirname, 'agents', 'MeshCmd64-signed.exe');
try { stats = obj.fs.statSync(meshCmd64Path); } catch (e) { }
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if ((stats != null)) {
setContentDispositionHeader(res, 'application/octet-stream', 'meshcmd' + ((req.query.meshcmd <= 4) ? '.exe' : ''), null, 'meshcmd');
res.sendFile(meshCmd64Path); return;
}
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}
// No signed agents, we are going to merge a new MeshCmd.
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if ((agentid < 10000) && (obj.parent.meshAgentBinaries[agentid + 10000] != null)) { agentid += 10000; } // Avoid merging javascript to a signed mesh agent.
var argentInfo = obj.parent.meshAgentBinaries[agentid];
if ((argentInfo == null) || (obj.parent.defaultMeshCmd == null)) { res.sendStatus(404); return; }
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setContentDispositionHeader(res, 'application/octet-stream', 'meshcmd' + ((req.query.meshcmd <= 4) ? '.exe' : ''), null, 'meshcmd');
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res.statusCode = 200;
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if (argentInfo.signedMeshCmdPath != null) {
// If we have a pre-signed MeshCmd, send that.
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res.sendFile(argentInfo.signedMeshCmdPath);
} else {
// Merge JavaScript to a unsigned agent and send that.
obj.parent.exeHandler.streamExeWithJavaScript({ platform: argentInfo.platform, sourceFileName: argentInfo.path, destinationStream: res, js: Buffer.from(obj.parent.defaultMeshCmd, 'utf8'), peinfo: argentInfo.pe });
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}
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} else if (req.query.meshaction != null) {
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if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.sendStatus(404); return; } // Check 3FA URL key
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var user = obj.users[req.session.userid];
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if (user == null) {
// Check if we have an authentication cookie
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var c = obj.parent.decodeCookie(req.query.auth, obj.parent.loginCookieEncryptionKey);
if (c == null) { res.sendStatus(404); return; }
// Download tools using a cookie
if (c.download == req.query.meshaction) {
if (req.query.meshaction == 'winrouter') {
var p = obj.path.join(__dirname, 'agents', 'MeshCentralRouter.exe');
if (obj.fs.existsSync(p)) {
setContentDispositionHeader(res, 'application/octet-stream', 'MeshCentralRouter.exe', null, 'MeshCentralRouter.exe');
try { res.sendFile(p); } catch (e) { res.sendStatus(404); }
} else { res.sendStatus(404); }
} else if (req.query.meshaction == 'winassistant') {
var p = obj.path.join(__dirname, 'agents', 'MeshCentralAssistant.exe');
if (obj.fs.existsSync(p)) {
setContentDispositionHeader(res, 'application/octet-stream', 'MeshCentralAssistant.exe', null, 'MeshCentralAssistant.exe');
try { res.sendFile(p); } catch (e) { res.sendStatus(404); }
} else { res.sendStatus(404); }
}
return;
}
// Check if the cookie authenticates a user
if (c.userid == null) { res.sendStatus(404); return; }
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user = obj.users[c.userid];
if (user == null) { res.sendStatus(404); return; }
}
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if ((req.query.meshaction == 'route') && (req.query.nodeid != null)) {
obj.db.Get(req.query.nodeid, function (err, nodes) {
if (nodes.length != 1) { res.sendStatus(401); return; }
var node = nodes[0];
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// Create the meshaction.txt file for meshcmd.exe
var meshaction = {
action: req.query.meshaction,
localPort: 1234,
remoteName: node.name,
remoteNodeId: node._id,
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remoteTarget: null,
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remotePort: 3389,
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username: '',
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password: '',
serverId: obj.agentCertificateHashHex.toUpperCase(), // SHA384 of server HTTPS public key
serverHttpsHash: Buffer.from(obj.webCertificateHashs[domain.id], 'binary').toString('hex').toUpperCase(), // SHA384 of server HTTPS certificate
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debugLevel: 0
};
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if (user != null) { meshaction.username = user.name; }
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if (req.query.key != null) { meshaction.loginKey = req.query.key; }
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var httpsPort = ((obj.args.aliasport == null) ? obj.args.port : obj.args.aliasport); // Use HTTPS alias port is specified
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if (obj.args.lanonly != true) { meshaction.serverUrl = 'wss://' + obj.getWebServerName(domain) + ':' + httpsPort + '/' + ((domain.id == '') ? '' : ('/' + domain.id)) + 'meshrelay.ashx'; }
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setContentDispositionHeader(res, 'application/octet-stream', 'meshaction.txt', null, 'meshaction.txt');
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res.send(JSON.stringify(meshaction, null, ' '));
});
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} else if (req.query.meshaction == 'generic') {
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var meshaction = {
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username: user.name,
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password: '',
serverId: obj.agentCertificateHashHex.toUpperCase(), // SHA384 of server HTTPS public key
serverHttpsHash: Buffer.from(obj.webCertificateHashs[domain.id], 'binary').toString('hex').toUpperCase(), // SHA384 of server HTTPS certificate
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debugLevel: 0
};
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if (user != null) { meshaction.username = user.name; }
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if (req.query.key != null) { meshaction.loginKey = req.query.key; }
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var httpsPort = ((obj.args.aliasport == null) ? obj.args.port : obj.args.aliasport); // Use HTTPS alias port is specified
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if (obj.args.lanonly != true) { meshaction.serverUrl = 'wss://' + obj.getWebServerName(domain) + ':' + httpsPort + '/' + ((domain.id == '') ? '' : ('/' + domain.id)) + 'meshrelay.ashx'; }
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setContentDispositionHeader(res, 'application/octet-stream', 'meshaction.txt', null, 'meshaction.txt');
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res.send(JSON.stringify(meshaction, null, ' '));
} else if (req.query.meshaction == 'winrouter') {
var p = obj.path.join(__dirname, 'agents', 'MeshCentralRouter.exe');
if (obj.fs.existsSync(p)) {
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setContentDispositionHeader(res, 'application/octet-stream', 'MeshCentralRouter.exe', null, 'MeshCentralRouter.exe');
try { res.sendFile(p); } catch (e) { res.sendStatus(404); }
} else { res.sendStatus(404); }
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} else if (req.query.meshaction == 'winassistant') {
var p = obj.path.join(__dirname, 'agents', 'MeshCentralAssistant.exe');
if (obj.fs.existsSync(p)) {
setContentDispositionHeader(res, 'application/octet-stream', 'MeshCentralAssistant.exe', null, 'MeshCentralAssistant.exe');
try { res.sendFile(p); } catch (e) { res.sendStatus(404); }
} else { res.sendStatus(404); }
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} else {
res.sendStatus(401);
}
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} else {
domain = checkUserIpAddress(req, res); // Recheck the domain to apply user IP filtering.
if (domain == null) return;
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if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.sendStatus(404); return; } // Check 3FA URL key
if ((req.session == null) || (req.session.userid == null)) { res.sendStatus(404); return; }
var user = null, coreDumpsAllowed = false;
if (typeof req.session.userid == 'string') { user = obj.users[req.session.userid]; }
if (user == null) { res.sendStatus(404); return; }
// Check if this user has access to agent core dumps
if ((obj.parent.config.settings.agentcoredump === true) && ((user.siteadmin == 0xFFFFFFFF) || ((Array.isArray(obj.parent.config.settings.agentcoredumpusers)) && (obj.parent.config.settings.agentcoredumpusers.indexOf(user._id) >= 0)))) {
coreDumpsAllowed = true;
if ((req.query.dldump != null) && obj.common.IsFilenameValid(req.query.dldump)) {
// Download a dump file
var dumpFile = obj.path.join(parent.datapath, '..', 'meshcentral-coredumps', req.query.dldump);
if (obj.fs.existsSync(dumpFile)) {
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setContentDispositionHeader(res, 'application/octet-stream', req.query.dldump, null, 'file.bin');
res.sendFile(dumpFile); return;
} else {
res.sendStatus(404); return;
}
}
if ((req.query.deldump != null) && obj.common.IsFilenameValid(req.query.deldump)) {
// Delete a dump file
try { obj.fs.unlinkSync(obj.path.join(parent.datapath, '..', 'meshcentral-coredumps', req.query.deldump)); } catch (ex) { console.log(ex); }
}
if ((req.query.dumps != null) || (req.query.deldump != null)) {
// Send list of agent core dumps
var response = '<html><head><title>Mesh Agents Core Dumps</title><style>table,th,td { border:1px solid black;border-collapse:collapse;padding:3px; }</style></head><body style=overflow:auto><table>';
response += '<tr style="background-color:lightgray"><th>ID</th><th>Upload Date</th><th>Description</th><th>Current</th><th>Dump</th><th>Size</th><th>Agent</th><th>Agent SHA384</th><th>NodeID</th><th></th></tr>';
var coreDumpPath = obj.path.join(parent.datapath, '..', 'meshcentral-coredumps');
if (obj.fs.existsSync(coreDumpPath)) {
var files = obj.fs.readdirSync(coreDumpPath);
var coredumps = [];
for (var i in files) {
var file = files[i];
if (file.endsWith('.dmp')) {
var fileSplit = file.substring(0, file.length - 4).split('-');
if (fileSplit.length == 3) {
var agentid = parseInt(fileSplit[0]);
if ((isNaN(agentid) == false) && (obj.parent.meshAgentBinaries[agentid] != null)) {
var agentinfo = obj.parent.meshAgentBinaries[agentid];
var filestats = obj.fs.statSync(obj.path.join(parent.datapath, '..', 'meshcentral-coredumps', file));
coredumps.push({
fileSplit: fileSplit,
agentinfo: agentinfo,
filestats: filestats,
currentAgent: agentinfo.hashhex.startsWith(fileSplit[1].toLowerCase()),
downloadUrl: req.originalUrl.split('?')[0] + '?dldump=' + file + (req.query.key ? ('&key=' + req.query.key) : ''),
deleteUrl: req.originalUrl.split('?')[0] + '?deldump=' + file + (req.query.key ? ('&key=' + req.query.key) : ''),
agentUrl: req.originalUrl.split('?')[0] + '?id=' + agentinfo.id + (req.query.key ? ('&key=' + req.query.key) : ''),
time: new Date(filestats.ctime)
});
}
}
}
}
coredumps.sort(function (a, b) { if (a.time > b.time) return -1; if (a.time < b.time) return 1; return 0; });
for (var i in coredumps) {
var d = coredumps[i];
response += '<tr><td>' + d.agentinfo.id + '</td><td>' + d.time.toDateString().split(' ').join('&nbsp;') + '</td><td>' + d.agentinfo.desc.split(' ').join('&nbsp;') + '</td>';
response += '<td style=text-align:center>' + d.currentAgent + '</td><td><a download href="' + d.downloadUrl + '">Download</a></td><td style=text-align:right>' + d.filestats.size + '</td>';
if (d.currentAgent) { response += '<td><a download href="' + d.agentUrl + '">Download</a></td>'; } else { response += '<td></td>'; }
response += '<td>' + d.fileSplit[1].toLowerCase() + '</td><td>' + d.fileSplit[2] + '</td><td><a href="' + d.deleteUrl + '">Delete</a></td></tr>';
}
}
response += '</table><a href="' + req.originalUrl.split('?')[0] + (req.query.key ? ('?key=' + req.query.key) : '') + '">Mesh Agents</a></body></html>';
res.send(response);
return;
}
}
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// Send a list of available mesh agents
var response = '<html><head><title>Mesh Agents</title><style>table,th,td { border:1px solid black;border-collapse:collapse;padding:3px; }</style></head><body style=overflow:auto><table>';
response += '<tr style="background-color:lightgray"><th>ID</th><th>Description</th><th>Link</th><th>Size</th><th>SHA384</th><th>MeshCmd</th></tr>';
var originalUrl = req.originalUrl.split('?')[0];
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for (var agentid in obj.parent.meshAgentBinaries) {
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if ((agentid >= 10000) && (agentid != 10005)) continue;
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var agentinfo = obj.parent.meshAgentBinaries[agentid];
response += '<tr><td>' + agentinfo.id + '</td><td>' + agentinfo.desc.split(' ').join('&nbsp;') + '</td>';
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response += '<td><a download href="' + originalUrl + '?id=' + agentinfo.id + (req.query.key ? ('&key=' + req.query.key) : '') + '">' + agentinfo.rname + '</a>';
if ((user.siteadmin == 0xFFFFFFFF) || ((Array.isArray(obj.parent.config.settings.agentcoredumpusers)) && (obj.parent.config.settings.agentcoredumpusers.indexOf(user._id) >= 0))) {
if ((agentid == 3) || (agentid == 4)) { response += ', <a download href="' + originalUrl + '?id=' + agentinfo.id + '&pdb=1' + (req.query.key ? ('&key=' + req.query.key) : '') + '">PDB</a>'; }
}
response += '</td>';
response += '<td>' + agentinfo.size + '</td><td>' + agentinfo.hashhex + '</td>';
2020-03-14 01:43:24 +03:00
response += '<td><a download href="' + originalUrl + '?meshcmd=' + agentinfo.id + (req.query.key ? ('&key=' + req.query.key) : '') + '">' + agentinfo.rname.replace('agent', 'cmd') + '</a></td></tr>';
2017-08-28 19:27:45 +03:00
}
response += '</table>';
if (coreDumpsAllowed) { response += '<a href="' + originalUrl + '?dumps=1' + (req.query.key ? ('&key=' + req.query.key) : '') + '">MeshAgent Crash Dumps</a>'; }
response += '</body></html>';
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res.send(response);
}
};
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// Get the web server hostname. This may change if using a domain with a DNS name.
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obj.getWebServerName = function (domain) {
2018-01-03 03:52:49 +03:00
if (domain.dns != null) return domain.dns;
return obj.certificates.CommonName;
}
// Create a OSX mesh agent installer
obj.handleMeshOsxAgentRequest = function (req, res) {
const domain = getDomain(req, res);
if (domain == null) { parent.debug('web', 'handleRootRequest: invalid domain.'); try { res.sendStatus(404); } catch (ex) { } return; }
if (req.query.id == null) { res.sendStatus(404); return; }
// If required, check if this user has rights to do this
if ((obj.parent.config.settings != null) && ((obj.parent.config.settings.lockagentdownload == true) || (domain.lockagentdownload == true)) && (req.session.userid == null)) { res.sendStatus(401); return; }
// Send a specific mesh agent back
var argentInfo = obj.parent.meshAgentBinaries[req.query.id];
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if ((argentInfo == null) || (req.query.meshid == null)) { res.sendStatus(404); return; }
// Check if the meshid is a time limited, encrypted cookie
var meshcookie = obj.parent.decodeCookie(req.query.meshid, obj.parent.invitationLinkEncryptionKey);
if ((meshcookie != null) && (meshcookie.m != null)) { req.query.meshid = meshcookie.m; }
// We are going to embed the .msh file into the Windows executable (signed or not).
// First, fetch the mesh object to build the .msh file
var mesh = obj.meshes['mesh/' + domain.id + '/' + req.query.meshid];
if (mesh == null) { res.sendStatus(401); return; }
// If required, check if this user has rights to do this
if ((obj.parent.config.settings != null) && ((obj.parent.config.settings.lockagentdownload == true) || (domain.lockagentdownload == true))) {
if ((domain.id != mesh.domain) || ((obj.GetMeshRights(req.session.userid, mesh) & 1) == 0)) { res.sendStatus(401); return; }
}
var meshidhex = Buffer.from(req.query.meshid.replace(/\@/g, '+').replace(/\$/g, '/'), 'base64').toString('hex').toUpperCase();
var serveridhex = Buffer.from(obj.agentCertificateHashBase64.replace(/\@/g, '+').replace(/\$/g, '/'), 'base64').toString('hex').toUpperCase();
2020-05-10 23:45:10 +03:00
// Get the agent connection server name
var serverName = obj.getWebServerName(domain);
if (typeof obj.args.agentaliasdns == 'string') { serverName = obj.args.agentaliasdns; }
// Build the agent connection URL. If we are using a sub-domain or one with a DNS, we need to craft the URL correctly.
var xdomain = (domain.dns == null) ? domain.id : '';
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if (xdomain != '') xdomain += '/';
var meshsettings = '\r\nMeshName=' + mesh.name + '\r\nMeshType=' + mesh.mtype + '\r\nMeshID=0x' + meshidhex + '\r\nServerID=' + serveridhex + '\r\n';
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var httpsPort = ((obj.args.aliasport == null) ? obj.args.port : obj.args.aliasport); // Use HTTPS alias port is specified
if (obj.args.agentport != null) { httpsPort = obj.args.agentport; } // If an agent only port is enabled, use that.
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if (obj.args.agentaliasport != null) { httpsPort = obj.args.agentaliasport; } // If an agent alias port is specified, use that.
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if (obj.args.lanonly != true) { meshsettings += 'MeshServer=wss://' + serverName + ':' + httpsPort + '/' + xdomain + 'agent.ashx\r\n'; } else {
meshsettings += 'MeshServer=local\r\n';
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if ((obj.args.localdiscovery != null) && (typeof obj.args.localdiscovery.key == 'string') && (obj.args.localdiscovery.key.length > 0)) { meshsettings += 'DiscoveryKey=' + obj.args.localdiscovery.key + '\r\n'; }
}
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if ((req.query.tag != null) && (typeof req.query.tag == 'string') && (obj.common.isAlphaNumeric(req.query.tag) == true)) { meshsettings += 'Tag=' + req.query.tag + '\r\n'; }
if ((req.query.installflags != null) && (req.query.installflags != 0) && (parseInt(req.query.installflags) == req.query.installflags)) { meshsettings += 'InstallFlags=' + parseInt(req.query.installflags) + '\r\n'; }
2019-12-27 09:53:01 +03:00
if ((domain.agentnoproxy === true) || (obj.args.lanonly == true)) { meshsettings += 'ignoreProxyFile=1\r\n'; }
if (obj.args.agentconfig) { for (var i in obj.args.agentconfig) { meshsettings += obj.args.agentconfig[i] + '\r\n'; } }
if (domain.agentconfig) { for (var i in domain.agentconfig) { meshsettings += domain.agentconfig[i] + '\r\n'; } }
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if (domain.agentcustomization != null) { // Add agent customization
if (domain.agentcustomization.displayname != null) { meshsettings += 'displayName=' + domain.agentcustomization.displayname + '\r\n'; }
if (domain.agentcustomization.description != null) { meshsettings += 'description=' + domain.agentcustomization.description + '\r\n'; }
if (domain.agentcustomization.companyname != null) { meshsettings += 'companyName=' + domain.agentcustomization.companyname + '\r\n'; }
if (domain.agentcustomization.servicename != null) { meshsettings += 'meshServiceName=' + domain.agentcustomization.servicename + '\r\n'; }
}
// Setup the response output
var archive = require('archiver')('zip', { level: 5 }); // Sets the compression method.
archive.on('error', function (err) { throw err; });
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// Set the agent download including the mesh name.
setContentDispositionHeader(res, 'application/octet-stream', 'MeshAgent-' + mesh.name + '.zip', null, 'MeshAgent.zip');
archive.pipe(res);
// Opens the "MeshAgentOSXPackager.zip"
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var yauzl = require('yauzl');
yauzl.open(obj.path.join(__dirname, 'agents', 'MeshAgentOSXPackager.zip'), { lazyEntries: true }, function (err, zipfile) {
if (err) { res.sendStatus(500); return; }
zipfile.readEntry();
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zipfile.on('entry', function (entry) {
if (/\/$/.test(entry.fileName)) {
// Skip all folder entries
zipfile.readEntry();
} else {
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if (entry.fileName == 'MeshAgent.mpkg/Contents/distribution.dist') {
// This is a special file entry, we need to fix it.
zipfile.openReadStream(entry, function (err, readStream) {
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readStream.on('data', function (data) { if (readStream.xxdata) { readStream.xxdata += data; } else { readStream.xxdata = data; } });
readStream.on('end', function () {
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var meshname = mesh.name.split(']').join('').split('[').join(''); // We can't have ']]' in the string since it will terminate the CDATA.
var welcomemsg = 'Welcome to the MeshCentral agent for MacOS\n\nThis installer will install the mesh agent for "' + meshname + '" and allow the administrator to remotely monitor and control this computer over the internet. For more information, go to https://www.meshcommander.com/meshcentral2.\n\nThis software is provided under Apache 2.0 license.\n';
var installsize = Math.floor((argentInfo.size + meshsettings.length) / 1024);
archive.append(readStream.xxdata.toString().split('###WELCOMEMSG###').join(welcomemsg).split('###INSTALLSIZE###').join(installsize), { name: entry.fileName });
zipfile.readEntry();
});
});
} else {
// Normal file entry
zipfile.openReadStream(entry, function (err, readStream) {
if (err) { throw err; }
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var options = { name: entry.fileName };
if (entry.fileName.endsWith('postflight') || entry.fileName.endsWith('Uninstall.command')) { options.mode = 493; }
archive.append(readStream, options);
readStream.on('end', function () { zipfile.readEntry(); });
});
}
}
});
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zipfile.on('end', function () {
archive.file(argentInfo.path, { name: 'MeshAgent.mpkg/Contents/Packages/internal.pkg/Contents/meshagent_osx64.bin' });
archive.append(meshsettings, { name: 'MeshAgent.mpkg/Contents/Packages/internal.pkg/Contents/meshagent_osx64.msh' });
archive.finalize();
});
});
}
// Return a .msh file from a given request, id is the device group identifier or encrypted cookie with the identifier.
function getMshFromRequest(req, res, domain) {
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// If required, check if this user has rights to do this
if ((obj.parent.config.settings != null) && ((obj.parent.config.settings.lockagentdownload == true) || (domain.lockagentdownload == true)) && (req.session.userid == null)) { return null; }
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// Check if the meshid is a time limited, encrypted cookie
var meshcookie = obj.parent.decodeCookie(req.query.id, obj.parent.invitationLinkEncryptionKey);
if ((meshcookie != null) && (meshcookie.m != null)) { req.query.id = meshcookie.m; }
// Fetch the mesh object
var mesh = obj.meshes['mesh/' + domain.id + '/' + req.query.id];
if (mesh == null) { return null; }
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// If needed, check if this user has rights to do this
if ((obj.parent.config.settings != null) && ((obj.parent.config.settings.lockagentdownload == true) || (domain.lockagentdownload == true))) {
if ((domain.id != mesh.domain) || ((obj.GetMeshRights(req.session.userid, mesh) & 1) == 0)) { return null; }
}
var meshidhex = Buffer.from(req.query.id.replace(/\@/g, '+').replace(/\$/g, '/'), 'base64').toString('hex').toUpperCase();
var serveridhex = Buffer.from(obj.agentCertificateHashBase64.replace(/\@/g, '+').replace(/\$/g, '/'), 'base64').toString('hex').toUpperCase();
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// Get the agent connection server name
var serverName = obj.getWebServerName(domain);
if (typeof obj.args.agentaliasdns == 'string') { serverName = obj.args.agentaliasdns; }
// Build the agent connection URL. If we are using a sub-domain or one with a DNS, we need to craft the URL correctly.
var xdomain = (domain.dns == null) ? domain.id : '';
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if (xdomain != '') xdomain += '/';
var meshsettings = '\r\nMeshName=' + mesh.name + '\r\nMeshType=' + mesh.mtype + '\r\nMeshID=0x' + meshidhex + '\r\nServerID=' + serveridhex + '\r\n';
var httpsPort = ((obj.args.aliasport == null) ? obj.args.port : obj.args.aliasport); // Use HTTPS alias port is specified
if (obj.args.agentport != null) { httpsPort = obj.args.agentport; } // If an agent only port is enabled, use that.
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if (obj.args.agentaliasport != null) { httpsPort = obj.args.agentaliasport; } // If an agent alias port is specified, use that.
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if (obj.args.lanonly != true) { meshsettings += 'MeshServer=wss://' + serverName + ':' + httpsPort + '/' + xdomain + 'agent.ashx\r\n'; } else {
meshsettings += 'MeshServer=local\r\n';
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if ((obj.args.localdiscovery != null) && (typeof obj.args.localdiscovery.key == 'string') && (obj.args.localdiscovery.key.length > 0)) { meshsettings += 'DiscoveryKey=' + obj.args.localdiscovery.key + '\r\n'; }
}
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if ((req.query.tag != null) && (typeof req.query.tag == 'string') && (obj.common.isAlphaNumeric(req.query.tag) == true)) { meshsettings += 'Tag=' + req.query.tag + '\r\n'; }
if ((req.query.installflags != null) && (req.query.installflags != 0) && (parseInt(req.query.installflags) == req.query.installflags)) { meshsettings += 'InstallFlags=' + parseInt(req.query.installflags) + '\r\n'; }
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if ((domain.agentnoproxy === true) || (obj.args.lanonly == true)) { meshsettings += 'ignoreProxyFile=1\r\n'; }
if (obj.args.agentconfig) { for (var i in obj.args.agentconfig) { meshsettings += obj.args.agentconfig[i] + '\r\n'; } }
if (domain.agentconfig) { for (var i in domain.agentconfig) { meshsettings += domain.agentconfig[i] + '\r\n'; } }
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if (domain.agentcustomization != null) { // Add agent customization
if (domain.agentcustomization.displayname != null) { meshsettings += 'displayName=' + domain.agentcustomization.displayname + '\r\n'; }
if (domain.agentcustomization.description != null) { meshsettings += 'description=' + domain.agentcustomization.description + '\r\n'; }
if (domain.agentcustomization.companyname != null) { meshsettings += 'companyName=' + domain.agentcustomization.companyname + '\r\n'; }
if (domain.agentcustomization.servicename != null) { meshsettings += 'meshServiceName=' + domain.agentcustomization.servicename + '\r\n'; }
}
return meshsettings;
}
// Handle a request to download a mesh settings
obj.handleMeshSettingsRequest = function (req, res) {
const domain = getDomain(req);
if (domain == null) { return; }
//if ((domain.id !== '') || (!req.session) || (req.session == null) || (!req.session.userid)) { res.sendStatus(401); return; }
var meshsettings = getMshFromRequest(req, res, domain);
if (meshsettings == null) { res.sendStatus(401); return; }
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setContentDispositionHeader(res, 'application/octet-stream', 'meshagent.msh', null, 'meshagent.msh');
res.send(meshsettings);
};
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// Handle a request for power events
obj.handleDevicePowerEvents = function (req, res) {
const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
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if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.sendStatus(404); return; } // Check 3FA URL key
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if ((domain.id !== '') || (!req.session) || (req.session == null) || (!req.session.userid) || (req.query.id == null) || (typeof req.query.id != 'string')) { res.sendStatus(401); return; }
var x = req.query.id.split('/');
var user = obj.users[req.session.userid];
if ((x.length != 3) || (x[0] != 'node') || (x[1] != domain.id) || (user == null) || (user.links == null)) { res.sendStatus(401); return; }
obj.db.Get(req.query.id, function (err, docs) {
if (docs.length != 1) {
res.sendStatus(401);
} else {
var node = docs[0];
// Check if we have right to this node
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if (obj.GetNodeRights(user, node.meshid, node._id) == 0) { res.sendStatus(401); return; }
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// Get the list of power events and send them
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setContentDispositionHeader(res, 'application/octet-stream', 'powerevents.csv', null, 'powerevents.csv');
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obj.db.getPowerTimeline(node._id, function (err, docs) {
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var xevents = ['Time, State, Previous State'], prevState = 0;
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for (var i in docs) {
if (docs[i].power != prevState) {
prevState = docs[i].power;
if (docs[i].oldPower != null) {
xevents.push(docs[i].time.toString() + ',' + docs[i].power + ',' + docs[i].oldPower);
} else {
xevents.push(docs[i].time.toString() + ',' + docs[i].power);
}
}
}
res.send(xevents.join('\r\n'));
});
}
});
}
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if (parent.pluginHandler != null) {
// Handle a plugin admin request
obj.handlePluginAdminReq = function (req, res) {
const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
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if ((!req.session) || (req.session == null) || (!req.session.userid)) { res.sendStatus(401); return; }
var user = obj.users[req.session.userid];
if (user == null) { res.sendStatus(401); return; }
parent.pluginHandler.handleAdminReq(req, res, user, obj);
}
obj.handlePluginAdminPostReq = function (req, res) {
const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
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if ((!req.session) || (req.session == null) || (!req.session.userid)) { res.sendStatus(401); return; }
var user = obj.users[req.session.userid];
if (user == null) { res.sendStatus(401); return; }
parent.pluginHandler.handleAdminPostReq(req, res, user, obj);
}
obj.handlePluginJS = function (req, res) {
const domain = checkUserIpAddress(req, res);
if (domain == null) { return; }
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if ((!req.session) || (req.session == null) || (!req.session.userid)) { res.sendStatus(401); return; }
var user = obj.users[req.session.userid];
if (user == null) { res.sendStatus(401); return; }
parent.pluginHandler.refreshJS(req, res);
}
}
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// Starts the HTTPS server, this should be called after the user/mesh tables are loaded
function serverStart() {
// Start the server, only after users and meshes are loaded from the database.
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if (obj.args.tlsoffload) {
// Setup the HTTP server without TLS
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obj.expressWs = require('express-ws')(obj.app, null, { wsOptions: { perMessageDeflate: (args.wscompression === true) } });
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} else {
// Setup the HTTP server with TLS, use only TLS 1.2 and higher with perfect forward secrecy (PFS).
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//const tlsOptions = { cert: obj.certificates.web.cert, key: obj.certificates.web.key, ca: obj.certificates.web.ca, rejectUnauthorized: true, ciphers: "HIGH:!aNULL:!eNULL:!EXPORT:!RSA:!DES:!RC4:!MD5:!PSK:!SRP:!CAMELLIA", secureOptions: constants.SSL_OP_NO_SSLv2 | constants.SSL_OP_NO_SSLv3 | constants.SSL_OP_NO_COMPRESSION | constants.SSL_OP_CIPHER_SERVER_PREFERENCE | constants.SSL_OP_NO_TLSv1 | constants.SSL_OP_NO_TLSv1_1 }; // This does not work with TLS 1.3
const tlsOptions = { cert: obj.certificates.web.cert, key: obj.certificates.web.key, ca: obj.certificates.web.ca, rejectUnauthorized: true, ciphers: "HIGH:TLS_AES_256_GCM_SHA384:TLS_AES_128_GCM_SHA256:TLS_AES_128_CCM_8_SHA256:TLS_AES_128_CCM_SHA256:TLS_CHACHA20_POLY1305_SHA256", secureOptions: constants.SSL_OP_NO_SSLv2 | constants.SSL_OP_NO_SSLv3 | constants.SSL_OP_NO_COMPRESSION | constants.SSL_OP_CIPHER_SERVER_PREFERENCE | constants.SSL_OP_NO_TLSv1 | constants.SSL_OP_NO_TLSv1_1 };
if (obj.tlsSniCredentials != null) { tlsOptions.SNICallback = TlsSniCallback; } // We have multiple web server certificate used depending on the domain name
obj.tlsServer = require('https').createServer(tlsOptions, obj.app);
obj.tlsServer.on('secureConnection', function () { /*console.log('tlsServer secureConnection');*/ });
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obj.tlsServer.on('error', function (err) { console.log('tlsServer error', err); });
//obj.tlsServer.on('tlsClientError', function (err) { console.log('tlsClientError', err); });
obj.tlsServer.on('newSession', function (id, data, cb) { if (tlsSessionStoreCount > 1000) { tlsSessionStoreCount = 0; tlsSessionStore = {}; } tlsSessionStore[id.toString('hex')] = data; tlsSessionStoreCount++; cb(); });
obj.tlsServer.on('resumeSession', function (id, cb) { cb(null, tlsSessionStore[id.toString('hex')] || null); });
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obj.expressWs = require('express-ws')(obj.app, obj.tlsServer, { wsOptions: { perMessageDeflate: (args.wscompression === true) } });
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}
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// Start a second agent-only server if needed
if (obj.args.agentport) {
var agentPortTls = true;
if (obj.args.tlsoffload != null) { agentPortTls = false; }
if (typeof obj.args.agentporttls == 'boolean') { agentPortTls = obj.args.agentporttls; }
if (obj.certificates.webdefault == null) { agentPortTls = false; }
if (agentPortTls == false) {
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// Setup the HTTP server without TLS
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obj.expressWsAlt = require('express-ws')(obj.agentapp, null, { wsOptions: { perMessageDeflate: (args.wscompression === true) } });
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} else {
// Setup the agent HTTP server with TLS, use only TLS 1.2 and higher with perfect forward secrecy (PFS).
// If TLS is used on the agent port, we always use the default TLS certificate.
const tlsOptions = { cert: obj.certificates.webdefault.cert, key: obj.certificates.webdefault.key, ca: obj.certificates.webdefault.ca, rejectUnauthorized: true, ciphers: "HIGH:TLS_AES_256_GCM_SHA384:TLS_AES_128_GCM_SHA256:TLS_AES_128_CCM_8_SHA256:TLS_AES_128_CCM_SHA256:TLS_CHACHA20_POLY1305_SHA256", secureOptions: constants.SSL_OP_NO_SSLv2 | constants.SSL_OP_NO_SSLv3 | constants.SSL_OP_NO_COMPRESSION | constants.SSL_OP_CIPHER_SERVER_PREFERENCE | constants.SSL_OP_NO_TLSv1 | constants.SSL_OP_NO_TLSv1_1 };
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obj.tlsAltServer = require('https').createServer(tlsOptions, obj.agentapp);
obj.tlsAltServer.on('secureConnection', function () { /*console.log('tlsAltServer secureConnection');*/ });
obj.tlsAltServer.on('error', function (err) { console.log('tlsAltServer error', err); });
//obj.tlsAltServer.on('tlsClientError', function (err) { console.log('tlsClientError', err); });
obj.tlsAltServer.on('newSession', function (id, data, cb) { if (tlsSessionStoreCount > 1000) { tlsSessionStoreCount = 0; tlsSessionStore = {}; } tlsSessionStore[id.toString('hex')] = data; tlsSessionStoreCount++; cb(); });
obj.tlsAltServer.on('resumeSession', function (id, cb) { cb(null, tlsSessionStore[id.toString('hex')] || null); });
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obj.expressWsAlt = require('express-ws')(obj.agentapp, obj.tlsAltServer, { wsOptions: { perMessageDeflate: (args.wscompression === true) } });
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}
}
// Setup middleware
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obj.app.engine('handlebars', obj.exphbs({ defaultLayout: null })); // defaultLayout: 'main'
obj.app.set('view engine', 'handlebars');
if (obj.args.trustedproxy) { obj.app.set('trust proxy', obj.args.trustedproxy); } // Reverse proxy should add the "X-Forwarded-*" headers
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else if (typeof obj.args.tlsoffload == 'object') { obj.app.set('trust proxy', obj.args.tlsoffload); } // Reverse proxy should add the "X-Forwarded-*" headers
obj.app.use(obj.bodyParser.urlencoded({ extended: false }));
var sessionOptions = {
name: 'xid', // Recommended security practice to not use the default cookie name
httpOnly: true,
keys: [obj.args.sessionkey], // If multiple instances of this server are behind a load-balancer, this secret must be the same for all instances
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secure: (obj.args.tlsoffload == null) // Use this cookie only over TLS (Check this: https://expressjs.com/en/guide/behind-proxies.html)
}
if (obj.args.sessionsamesite != null) { sessionOptions.sameSite = obj.args.sessionsamesite; } else { sessionOptions.sameSite = 'strict'; }
if (obj.args.sessiontime != null) { sessionOptions.maxAge = (obj.args.sessiontime * 60 * 1000); }
obj.app.use(obj.session(sessionOptions));
// Add HTTP security headers to all responses
obj.app.use(function (req, res, next) {
// Set the real IP address of the request
// If a trusted reverse-proxy is sending us the remote IP address, use it.
var ipex = '0.0.0.0', xforwardedhost = req.headers.host;
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if (typeof req.connection.remoteAddress == 'string') { ipex = (req.connection.remoteAddress.startsWith('::ffff:')) ? req.connection.remoteAddress.substring(7) : req.connection.remoteAddress; }
if (
(obj.args.trustedproxy === true) ||
((typeof obj.args.trustedproxy == 'object') && (obj.args.trustedproxy.indexOf(ipex) >= 0)) ||
((typeof obj.args.tlsoffload == 'object') && (obj.args.tlsoffload.indexOf(ipex) >= 0))
) {
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// Get client IP
if (req.headers['cf-connecting-ip']) { // Use CloudFlare IP address if present
req.clientIp = req.headers['cf-connecting-ip'].split(',')[0].trim();
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} else if (req.headers['x-forwarded-for']) {
req.clientIp = req.headers['x-forwarded-for'].split(',')[0].trim();
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} else if (req.headers['x-real-ip']) {
req.clientIp = req.headers['x-real-ip'].split(',')[0].trim();
} else {
req.clientIp = ipex;
}
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// Get server host
if (req.headers['x-forwarded-host']) { xforwardedhost = req.headers['x-forwarded-host']; }
} else {
req.clientIp = ipex;
}
// Get the domain for this request
const domain = req.xdomain = getDomain(req);
parent.debug('webrequest', '(' + req.clientIp + ') ' + req.url);
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// Skip the rest is this is an agent connection
if ((req.url.indexOf('/meshrelay.ashx/.websocket') >= 0) || (req.url.indexOf('/agent.ashx/.websocket') >= 0)) { next(); return; }
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// If this domain has configured headers, use them.
// Example headers: { 'Strict-Transport-Security': 'max-age=360000;includeSubDomains' };
// { 'Referrer-Policy': 'no-referrer', 'x-frame-options': 'SAMEORIGIN', 'X-XSS-Protection': '1; mode=block', 'X-Content-Type-Options': 'nosniff', 'Content-Security-Policy': "default-src http: ws: data: 'self';script-src http: 'unsafe-inline';style-src http: 'unsafe-inline'" };
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if ((domain != null) && (domain.httpheaders != null) && (typeof domain.httpheaders == 'object')) {
res.set(domain.httpheaders);
} else {
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// Use default security headers
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const geourl = (domain.geolocation ? ' *.openstreetmap.org' : '');
var selfurl = ' wss://' + req.headers.host;
if ((xforwardedhost != null) && (xforwardedhost != req.headers.host)) { selfurl += ' wss://' + xforwardedhost; }
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const headers = {
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'Referrer-Policy': 'no-referrer',
'X-XSS-Protection': '1; mode=block',
'X-Content-Type-Options': 'nosniff',
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'Content-Security-Policy': "default-src 'none'; font-src 'self'; script-src 'self' 'unsafe-inline'; connect-src 'self'" + geourl + selfurl + "; img-src 'self'" + geourl + " data:; style-src 'self' 'unsafe-inline'; frame-src 'self' mcrouter:; media-src 'self'; form-action 'self'"
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};
if ((parent.config.settings.allowframing !== true) && (typeof parent.config.settings.allowframing !== 'string')) { headers['X-Frame-Options'] = 'sameorigin'; }
res.set(headers);
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}
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// Check the session if bound to the external IP address
if ((req.session.ip != null) && (req.clientIp != null) && (req.session.ip != req.clientIp)) { req.session = {}; }
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// Extend the session time by forcing a change to the session every minute.
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if (req.session.userid != null) { req.session.nowInMinutes = Math.floor(Date.now() / 60e3); } else { delete req.session.nowInMinutes; }
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// Detect if this is a file sharing domain, if so, just share files.
if ((domain != null) && (domain.share != null)) {
var rpath;
if (domain.dns == null) { rpath = req.url.split('/'); rpath.splice(1, 1); rpath = rpath.join('/'); } else { rpath = req.url; }
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if ((req.headers != null) && (req.headers.upgrade)) {
// If this is a websocket, stop here.
res.sendStatus(404);
} else {
// Check if the file exists, if so, serve it.
obj.fs.exists(obj.path.join(domain.share, rpath), function (exists) { if (exists == true) { res.sendfile(rpath, { root: domain.share }); } else { res.sendStatus(404); } });
}
} else {
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//if (parent.config.settings.accesscontrolalloworigin != null) { headers['Access-Control-Allow-Origin'] = parent.config.settings.accesscontrolalloworigin; }
return next();
}
});
if (obj.agentapp) {
// Add HTTP security headers to all responses
obj.agentapp.use(function (req, res, next) {
// Set the real IP address of the request
// If a trusted reverse-proxy is sending us the remote IP address, use it.
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var ipex = '0.0.0.0';
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if (typeof req.connection.remoteAddress == 'string') { ipex = (req.connection.remoteAddress.startsWith('::ffff:')) ? req.connection.remoteAddress.substring(7) : req.connection.remoteAddress; }
if (
(obj.args.trustedproxy === true) ||
((typeof obj.args.trustedproxy == 'object') && (obj.args.trustedproxy.indexOf(ipex) >= 0)) ||
((typeof obj.args.tlsoffload == 'object') && (obj.args.tlsoffload.indexOf(ipex) >= 0))
) {
if (req.headers['cf-connecting-ip']) { // Use CloudFlare IP address if present
req.clientIp = req.headers['cf-connecting-ip'].split(',')[0].trim();
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} else if (req.headers['x-forwarded-for']) {
req.clientIp = req.headers['x-forwarded-for'].split(',')[0].trim();
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} else if (req.headers['x-real-ip']) {
req.clientIp = req.headers['x-real-ip'].split(',')[0].trim();
} else {
req.clientIp = ipex;
}
} else {
req.clientIp = ipex;
}
// Get the domain for this request
const domain = req.xdomain = getDomain(req);
parent.debug('webrequest', '(' + req.clientIp + ') AgentPort: ' + req.url);
res.removeHeader('X-Powered-By');
return next();
});
}
// Setup all HTTP handlers
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if (parent.multiServer != null) { obj.app.ws('/meshserver.ashx', function (ws, req) { parent.multiServer.CreatePeerInServer(parent.multiServer, ws, req, obj.args.tlsoffload == null); }); }
for (var i in parent.config.domains) {
if (parent.config.domains[i].dns != null) { continue; } // This is a subdomain with a DNS name, no added HTTP bindings needed.
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var domain = parent.config.domains[i];
var url = domain.url;
obj.app.get(url, handleRootRequest);
obj.app.post(url, handleRootPostRequest);
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obj.app.get(url + 'refresh.ashx', function (req, res) { res.sendStatus(200); });
if ((domain.myserver !== false) && ((domain.myserver == null) || (domain.myserver.backup === true))) { obj.app.get(url + 'backup.zip', handleBackupRequest); }
if ((domain.myserver !== false) && ((domain.myserver == null) || (domain.myserver.restore === true))) { obj.app.post(url + 'restoreserver.ashx', handleRestoreRequest); }
obj.app.get(url + 'terms', handleTermsRequest);
obj.app.get(url + 'xterm', handleXTermRequest);
obj.app.post(url + 'login', handleLoginRequest);
obj.app.post(url + 'tokenlogin', handleLoginRequest);
obj.app.get(url + 'logout', handleLogoutRequest);
obj.app.get(url + 'MeshServerRootCert.cer', handleRootCertRequest);
obj.app.post(url + 'changepassword', handlePasswordChangeRequest);
obj.app.post(url + 'deleteaccount', handleDeleteAccountRequest);
obj.app.post(url + 'createaccount', handleCreateAccountRequest);
obj.app.post(url + 'resetpassword', handleResetPasswordRequest);
obj.app.post(url + 'resetaccount', handleResetAccountRequest);
obj.app.get(url + 'checkmail', handleCheckMailRequest);
obj.app.get(url + 'agentinvite', handleAgentInviteRequest);
obj.app.post(url + 'amtevents.ashx', obj.handleAmtEventRequest);
obj.app.get(url + 'meshagents', obj.handleMeshAgentRequest);
obj.app.get(url + 'messenger', handleMessengerRequest);
obj.app.get(url + 'meshosxagent', obj.handleMeshOsxAgentRequest);
obj.app.get(url + 'meshsettings', obj.handleMeshSettingsRequest);
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obj.app.get(url + 'devicepowerevents.ashx', obj.handleDevicePowerEvents);
obj.app.get(url + 'downloadfile.ashx', handleDownloadFile);
obj.app.post(url + 'uploadfile.ashx', handleUploadFile);
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obj.app.post(url + 'uploadfilebatch.ashx', handleUploadFileBatch);
obj.app.post(url + 'uploadmeshcorefile.ashx', handleUploadMeshCoreFile);
obj.app.get(url + 'userfiles/*', handleDownloadUserFiles);
obj.app.ws(url + 'echo.ashx', handleEchoWebSocket);
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obj.app.ws(url + 'apf.ashx', function (ws, req) { obj.parent.mpsserver.onWebSocketConnection(ws, req); })
obj.app.get(url + 'webrelay.ashx', function (req, res) { res.send('Websocket connection expected'); });
obj.app.get(url + 'health.ashx', function (req, res) { res.send('ok'); }); // TODO: Perform more server checking.
obj.app.ws(url + 'webrelay.ashx', function (ws, req) { PerformWSSessionAuth(ws, req, false, handleRelayWebSocket); });
obj.app.ws(url + 'webider.ashx', function (ws, req) { PerformWSSessionAuth(ws, req, false, function (ws1, req1, domain, user, cookie) { obj.meshIderHandler.CreateAmtIderSession(obj, obj.db, ws1, req1, obj.args, domain, user); }); });
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obj.app.ws(url + 'control.ashx', function (ws, req) {
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const domain = getDomain(req);
if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { ws.close(); return; } // Check 3FA URL key
PerformWSSessionAuth(ws, req, false, function (ws1, req1, domain, user, cookie) { obj.meshUserHandler.CreateMeshUser(obj, obj.db, ws1, req1, obj.args, domain, user); });
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});
obj.app.ws(url + 'devicefile.ashx', function (ws, req) { obj.meshDeviceFileHandler.CreateMeshDeviceFile(obj, ws, null, req, domain); });
obj.app.get(url + 'devicefile.ashx', handleDeviceFile);
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obj.app.get(url + 'agentdownload.ashx', handleAgentDownloadFile);
obj.app.get(url + 'logo.png', handleLogoRequest);
obj.app.get(url + 'loginlogo.png', handleLoginLogoRequest);
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obj.app.post(url + 'translations', handleTranslationsRequest);
obj.app.get(url + 'welcome.jpg', handleWelcomeImageRequest);
obj.app.get(url + 'welcome.png', handleWelcomeImageRequest);
obj.app.get(url + 'recordings.ashx', handleGetRecordings);
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obj.app.get(url + 'player.htm', handlePlayerRequest);
obj.app.get(url + 'player', handlePlayerRequest);
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obj.app.get(url + 'desktop', handleDesktopRequest);
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obj.app.get(url + 'terminal', handleTerminalRequest);
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obj.app.ws(url + 'amtactivate', handleAmtActivateWebSocket);
obj.app.ws(url + 'agenttransfer.ashx', handleAgentFileTransfer); // Setup agent to/from server file transfer handler
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obj.app.ws(url + 'meshrelay.ashx', function (ws, req) {
PerformWSSessionAuth(ws, req, true, function (ws1, req1, domain, user, cookie) {
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if (((parent.config.settings.desktopmultiplex === true) || (domain.desktopmultiplex === true)) && (req.query.p == 2)) {
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obj.meshDesktopMultiplexHandler.CreateMeshRelay(obj, ws1, req1, domain, user, cookie); // Desktop multiplexor 1-to-n
} else {
obj.meshRelayHandler.CreateMeshRelay(obj, ws1, req1, domain, user, cookie); // Normal relay 1-to-1
}
});
});
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if (domain.agentinvitecodes == true) {
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obj.app.get(url + 'invite', handleInviteRequest);
obj.app.post(url + 'invite', handleInviteRequest);
}
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if (parent.pluginHandler != null) {
obj.app.get(url + 'pluginadmin.ashx', obj.handlePluginAdminReq);
obj.app.post(url + 'pluginadmin.ashx', obj.handlePluginAdminPostReq);
obj.app.get(url + 'pluginHandler.js', obj.handlePluginJS);
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}
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// Setup MSTSC.js if needed
if (domain.mstsc === true) {
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obj.app.get(url + 'mstsc.html', handleMSTSCRequest);
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obj.app.ws(url + 'mstsc/relay.ashx', function (ws, req) {
const domain = getDomain(req);
if (domain == null) { parent.debug('web', 'mstsc: failed checks.'); try { ws.close(); } catch (e) { } return; }
require('./mstsc.js').CreateMstscRelay(obj, obj.db, ws, req, obj.args, domain);
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});
}
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// Setup auth strategies using passport if needed
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if (typeof domain.authstrategies == 'object') {
const passport = domain.passport = require('passport');
passport.serializeUser(function (user, done) { done(null, user.sid); });
passport.deserializeUser(function (sid, done) { done(null, { sid: sid }); });
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obj.app.use(passport.initialize());
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//obj.app.use(passport.session());
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// Twitter
if ((typeof domain.authstrategies.twitter == 'object') && (typeof domain.authstrategies.twitter.clientid == 'string') && (typeof domain.authstrategies.twitter.clientsecret == 'string')) {
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const TwitterStrategy = require('passport-twitter');
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var options = { consumerKey: domain.authstrategies.twitter.clientid, consumerSecret: domain.authstrategies.twitter.clientsecret };
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if (typeof domain.authstrategies.twitter.callbackurl == 'string') { options.callbackURL = domain.authstrategies.twitter.callbackurl; } else { options.callbackURL = url + 'auth-twitter-callback'; }
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parent.debug('web', 'Adding Twitter SSO with options: ' + JSON.stringify(options));
passport.use(new TwitterStrategy(options,
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function (token, tokenSecret, profile, cb) {
parent.debug('web', 'Twitter profile: ' + JSON.stringify(profile));
var user = { sid: '~twitter:' + profile.id, name: profile.displayName, strategy: 'twitter' };
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if ((typeof profile.emails == 'object') && (profile.emails[0] != null) && (typeof profile.emails[0].value == 'string')) { user.email = profile.emails[0].value; }
return cb(null, user);
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}
));
obj.app.get(url + 'auth-twitter', function (req, res, next) {
var domain = getDomain(req);
if (domain.passport == null) { next(); return; }
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domain.passport.authenticate('twitter')(req, res, function (err) { console.log('c1', err, req.session); next(); });
});
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obj.app.get(url + 'auth-twitter-callback', function (req, res, next) {
var domain = getDomain(req);
if (domain.passport == null) { next(); return; }
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if ((Object.keys(req.session).length == 0) && (req.query.nmr == null)) {
// This is an empty session likely due to the 302 redirection, redirect again (this is a bit of a hack).
var url = req.url;
if (url.indexOf('?') >= 0) { url += '&nmr=1'; } else { url += '?nmr=1'; } // Add this to the URL to prevent redirect loop.
res.set('Content-Type', 'text/html');
res.end('<html><head><meta http-equiv="refresh" content=0;url="' + url + '"></head><body></body></html>');
} else {
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domain.passport.authenticate('twitter', { failureRedirect: '/' })(req, res, function (err) { if (err != null) { console.log(err); } next(); });
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}
}, handleStrategyLogin);
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}
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// Google
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if ((typeof domain.authstrategies.google == 'object') && (typeof domain.authstrategies.google.clientid == 'string') && (typeof domain.authstrategies.google.clientsecret == 'string')) {
const GoogleStrategy = require('passport-google-oauth20');
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var options = { clientID: domain.authstrategies.google.clientid, clientSecret: domain.authstrategies.google.clientsecret };
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if (typeof domain.authstrategies.google.callbackurl == 'string') { options.callbackURL = domain.authstrategies.google.callbackurl; } else { options.callbackURL = url + 'auth-google-callback'; }
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parent.debug('web', 'Adding Google SSO with options: ' + JSON.stringify(options));
passport.use(new GoogleStrategy(options,
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function (token, tokenSecret, profile, cb) {
parent.debug('web', 'Google profile: ' + JSON.stringify(profile));
var user = { sid: '~google:' + profile.id, name: profile.displayName, strategy: 'google' };
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if ((typeof profile.emails == 'object') && (profile.emails[0] != null) && (typeof profile.emails[0].value == 'string') && (profile.emails[0].verified == true)) { user.email = profile.emails[0].value; }
return cb(null, user);
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}
));
obj.app.get(url + 'auth-google', function (req, res, next) {
var domain = getDomain(req);
if (domain.passport == null) { next(); return; }
domain.passport.authenticate('google', { scope: ['profile', 'email'] })(req, res, next);
});
obj.app.get(url + 'auth-google-callback', function (req, res, next) {
var domain = getDomain(req);
if (domain.passport == null) { next(); return; }
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domain.passport.authenticate('google', { failureRedirect: '/' })(req, res, function (err) { if (err != null) { console.log(err); } next(); });
}, handleStrategyLogin);
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}
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// Github
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if ((typeof domain.authstrategies.github == 'object') && (typeof domain.authstrategies.github.clientid == 'string') && (typeof domain.authstrategies.github.clientsecret == 'string')) {
const GitHubStrategy = require('passport-github2');
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var options = { clientID: domain.authstrategies.github.clientid, clientSecret: domain.authstrategies.github.clientsecret };
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if (typeof domain.authstrategies.github.callbackurl == 'string') { options.callbackURL = domain.authstrategies.github.callbackurl; } else { options.callbackURL = url + 'auth-github-callback'; }
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parent.debug('web', 'Adding Github SSO with options: ' + JSON.stringify(options));
passport.use(new GitHubStrategy(options,
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function (token, tokenSecret, profile, cb) {
parent.debug('web', 'Github profile: ' + JSON.stringify(profile));
var user = { sid: '~github:' + profile.id, name: profile.displayName, strategy: 'github' };
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if ((typeof profile.emails == 'object') && (profile.emails[0] != null) && (typeof profile.emails[0].value == 'string')) { user.email = profile.emails[0].value; }
return cb(null, user);
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}
));
obj.app.get(url + 'auth-github', function (req, res, next) {
var domain = getDomain(req);
if (domain.passport == null) { next(); return; }
domain.passport.authenticate('github', { scope: ['user:email'] })(req, res, next);
});
obj.app.get(url + 'auth-github-callback', function (req, res, next) {
var domain = getDomain(req);
if (domain.passport == null) { next(); return; }
domain.passport.authenticate('github', { failureRedirect: '/' })(req, res, next);
}, handleStrategyLogin);
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}
// Reddit
if ((typeof domain.authstrategies.reddit == 'object') && (typeof domain.authstrategies.reddit.clientid == 'string') && (typeof domain.authstrategies.reddit.clientsecret == 'string')) {
const RedditStrategy = require('passport-reddit');
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var options = { clientID: domain.authstrategies.reddit.clientid, clientSecret: domain.authstrategies.reddit.clientsecret };
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if (typeof domain.authstrategies.reddit.callbackurl == 'string') { options.callbackURL = domain.authstrategies.reddit.callbackurl; } else { options.callbackURL = url + 'auth-reddit-callback'; }
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parent.debug('web', 'Adding Reddit SSO with options: ' + JSON.stringify(options));
passport.use(new RedditStrategy.Strategy(options,
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function (token, tokenSecret, profile, cb) {
parent.debug('web', 'Reddit profile: ' + JSON.stringify(profile));
var user = { sid: '~reddit:' + profile.id, name: profile.name, strategy: 'reddit' };
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if ((typeof profile.emails == 'object') && (profile.emails[0] != null) && (typeof profile.emails[0].value == 'string')) { user.email = profile.emails[0].value; }
return cb(null, user);
}
));
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obj.app.get(url + 'auth-reddit', function (req, res, next) {
var domain = getDomain(req);
if (domain.passport == null) { next(); return; }
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domain.passport.authenticate('reddit', { state: obj.parent.encodeCookie({ 'p': 'reddit' }, obj.parent.loginCookieEncryptionKey), duration: 'permanent' })(req, res, next);
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});
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obj.app.get(url + 'auth-reddit-callback', function (req, res, next) {
var domain = getDomain(req);
if (domain.passport == null) { next(); return; }
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if ((Object.keys(req.session).length == 0) && (req.query.nmr == null)) {
// This is an empty session likely due to the 302 redirection, redirect again (this is a bit of a hack).
var url = req.url;
if (url.indexOf('?') >= 0) { url += '&nmr=1'; } else { url += '?nmr=1'; } // Add this to the URL to prevent redirect loop.
res.set('Content-Type', 'text/html');
res.end('<html><head><meta http-equiv="refresh" content=0;url="' + url + '"></head><body></body></html>');
} else {
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if (req.query.state != null) {
var c = obj.parent.decodeCookie(req.query.state, obj.parent.loginCookieEncryptionKey, 10); // 10 minute timeout
if ((c != null) && (c.p == 'reddit')) { domain.passport.authenticate('reddit', { failureRedirect: '/' })(req, res, next); return; }
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}
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next();
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}
}, handleStrategyLogin);
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}
// Azure
if ((typeof domain.authstrategies.azure == 'object') && (typeof domain.authstrategies.azure.clientid == 'string') && (typeof domain.authstrategies.azure.clientsecret == 'string')) {
const AzureOAuth2Strategy = require('passport-azure-oauth2');
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var options = { clientID: domain.authstrategies.azure.clientid, clientSecret: domain.authstrategies.azure.clientsecret, tenant: domain.authstrategies.azure.tenantid };
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if (typeof domain.authstrategies.azure.callbackurl == 'string') { options.callbackURL = domain.authstrategies.azure.callbackurl; } else { options.callbackURL = url + 'auth-azure-callback'; }
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parent.debug('web', 'Adding Azure SSO with options: ' + JSON.stringify(options));
passport.use('azure', new AzureOAuth2Strategy(options,
function (accessToken, refreshtoken, params, profile, done) {
var userex = null;
try { userex = require('jwt-simple').decode(params.id_token, "", true); } catch (ex) { }
parent.debug('web', 'Azure profile: ' + JSON.stringify(userex));
var user = null;
if (userex != null) {
var user = { sid: '~azure:' + userex.unique_name, name: userex.name, strategy: 'azure' };
if (typeof userex.email == 'string') { user.email = userex.email; }
}
return done(null, user);
}
));
obj.app.get(url + 'auth-azure', function (req, res, next) {
var domain = getDomain(req);
if (domain.passport == null) { next(); return; }
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domain.passport.authenticate('azure', { state: obj.parent.encodeCookie({ 'p': 'azure' }, obj.parent.loginCookieEncryptionKey) })(req, res, next);
});
obj.app.get(url + 'auth-azure-callback', function (req, res, next) {
var domain = getDomain(req);
if (domain.passport == null) { next(); return; }
if ((Object.keys(req.session).length == 0) && (req.query.nmr == null)) {
// This is an empty session likely due to the 302 redirection, redirect again (this is a bit of a hack).
var url = req.url;
if (url.indexOf('?') >= 0) { url += '&nmr=1'; } else { url += '?nmr=1'; } // Add this to the URL to prevent redirect loop.
res.set('Content-Type', 'text/html');
res.end('<html><head><meta http-equiv="refresh" content=0;url="' + url + '"></head><body></body></html>');
} else {
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if (req.query.state != null) {
var c = obj.parent.decodeCookie(req.query.state, obj.parent.loginCookieEncryptionKey, 10); // 10 minute timeout
if ((c != null) && (c.p == 'azure')) { domain.passport.authenticate('azure', { failureRedirect: '/' })(req, res, next); return; }
}
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next();
}
}, handleStrategyLogin);
}
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// Generic SAML
if (typeof domain.authstrategies.saml == 'object') {
if ((typeof domain.authstrategies.saml.cert != 'string') || (typeof domain.authstrategies.saml.idpurl != 'string')) {
console.log('ERROR: Missing SAML configuration.');
} else {
var cert = obj.fs.readFileSync(obj.path.join(obj.parent.datapath, domain.authstrategies.saml.cert));
if (cert == null) {
console.log('ERROR: Unable to read SAML IdP certificate: ' + domain.authstrategies.saml.cert);
} else {
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var options = { entryPoint: domain.authstrategies.saml.idpurl, issuer: 'meshcentral' };
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if (typeof domain.authstrategies.saml.callbackurl == 'string') { options.callbackUrl = domain.authstrategies.saml.callbackurl; } else { options.callbackURL = url + 'auth-saml-callback'; }
if (domain.authstrategies.saml.disablerequestedauthncontext != null) { options.disableRequestedAuthnContext = domain.authstrategies.saml.disablerequestedauthncontext; }
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parent.debug('web', 'Adding SAML SSO with options: ' + JSON.stringify(options));
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if (typeof domain.authstrategies.saml.entityid == 'string') { options.issuer = domain.authstrategies.saml.entityid; }
options.cert = cert.toString().split('-----BEGIN CERTIFICATE-----').join('').split('-----END CERTIFICATE-----').join('');
const SamlStrategy = require('passport-saml').Strategy;
passport.use(new SamlStrategy(options,
function (profile, done) {
parent.debug('web', 'SAML profile: ' + JSON.stringify(profile));
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if (typeof profile.nameID != 'string') { return done(); }
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var user = { sid: '~saml:' + profile.nameID, name: profile.nameID, strategy: 'saml' };
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if ((typeof profile.firstname == 'string') && (typeof profile.lastname == 'string')) { user.name = profile.firstname + ' ' + profile.lastname; }
if (typeof profile.email == 'string') { user.email = profile.email; }
return done(null, user);
}
));
obj.app.get(url + 'auth-saml', function (req, res, next) {
var domain = getDomain(req);
if (domain.passport == null) { next(); return; }
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domain.passport.authenticate('saml', { failureRedirect: '/', failureFlash: true })(req, res, next);
});
obj.app.post(url + 'auth-saml-callback', function (req, res, next) {
var domain = getDomain(req);
if (domain.passport == null) { next(); return; }
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domain.passport.authenticate('saml', { failureRedirect: '/', failureFlash: true })(req, res, next);
}, handleStrategyLogin);
}
}
}
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// Intel SAML
if (typeof domain.authstrategies.intel == 'object') {
if ((typeof domain.authstrategies.intel.cert != 'string') || (typeof domain.authstrategies.intel.idpurl != 'string')) {
console.log('ERROR: Missing Intel SAML configuration.');
} else {
var cert = obj.fs.readFileSync(obj.path.join(obj.parent.datapath, domain.authstrategies.intel.cert));
if (cert == null) {
console.log('ERROR: Unable to read Intel SAML IdP certificate: ' + domain.authstrategies.intel.cert);
} else {
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var options = { entryPoint: domain.authstrategies.intel.idpurl, issuer: 'meshcentral' };
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if (typeof domain.authstrategies.intel.callbackurl == 'string') { options.callbackUrl = domain.authstrategies.intel.callbackurl; } else { options.callbackUrl = url + 'auth-intel-callback'; }
if (domain.authstrategies.intel.disablerequestedauthncontext != null) { options.disableRequestedAuthnContext = domain.authstrategies.intel.disablerequestedauthncontext; }
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parent.debug('web', 'Adding Intel SSO with options: ' + JSON.stringify(options));
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if (typeof domain.authstrategies.intel.entityid == 'string') { options.issuer = domain.authstrategies.intel.entityid; }
options.cert = cert.toString().split('-----BEGIN CERTIFICATE-----').join('').split('-----END CERTIFICATE-----').join('');
const SamlStrategy = require('passport-saml').Strategy;
passport.use(new SamlStrategy(options,
function (profile, done) {
parent.debug('web', 'Intel profile: ' + JSON.stringify(profile));
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if (typeof profile.nameID != 'string') { return done(); }
var user = { sid: '~intel:' + profile.nameID, name: profile.nameID, strategy: 'intel' };
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if ((typeof profile.firstname == 'string') && (typeof profile.lastname == 'string')) { user.name = profile.firstname + ' ' + profile.lastname; }
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else if ((typeof profile.FirstName == 'string') && (typeof profile.LastName == 'string')) { user.name = profile.FirstName + ' ' + profile.LastName; }
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if (typeof profile.email == 'string') { user.email = profile.email; }
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else if (typeof profile.EmailAddress == 'string') { user.email = profile.EmailAddress; }
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return done(null, user);
}
));
obj.app.get(url + 'auth-intel', function (req, res, next) {
var domain = getDomain(req);
if (domain.passport == null) { next(); return; }
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domain.passport.authenticate('saml', { failureRedirect: '/', failureFlash: true })(req, res, next);
});
obj.app.post(url + 'auth-intel-callback', function (req, res, next) {
var domain = getDomain(req);
if (domain.passport == null) { next(); return; }
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domain.passport.authenticate('saml', { failureRedirect: '/', failureFlash: true })(req, res, next);
}, handleStrategyLogin);
}
}
}
// JumpCloud SAML
if (typeof domain.authstrategies.jumpcloud == 'object') {
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if ((typeof domain.authstrategies.jumpcloud.cert != 'string') || (typeof domain.authstrategies.jumpcloud.idpurl != 'string')) {
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console.log('ERROR: Missing JumpCloud SAML configuration.');
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} else {
var cert = obj.fs.readFileSync(obj.path.join(obj.parent.datapath, domain.authstrategies.jumpcloud.cert));
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if (cert == null) {
console.log('ERROR: Unable to read JumpCloud IdP certificate: ' + domain.authstrategies.jumpcloud.cert);
} else {
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var options = { entryPoint: domain.authstrategies.jumpcloud.idpurl, issuer: 'meshcentral' };
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if (typeof domain.authstrategies.jumpcloud.callbackurl == 'string') { options.callbackUrl = domain.authstrategies.jumpcloud.callbackurl; } else { options.callbackUrl = url + 'auth-jumpcloud-callback'; }
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parent.debug('web', 'Adding JumpCloud SSO with options: ' + JSON.stringify(options));
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if (typeof domain.authstrategies.jumpcloud.entityid == 'string') { options.issuer = domain.authstrategies.jumpcloud.entityid; }
options.cert = cert.toString().split('-----BEGIN CERTIFICATE-----').join('').split('-----END CERTIFICATE-----').join('');
const SamlStrategy = require('passport-saml').Strategy;
passport.use(new SamlStrategy(options,
function (profile, done) {
parent.debug('web', 'JumpCloud profile: ' + JSON.stringify(profile));
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if (typeof profile.nameID != 'string') { return done(); }
var user = { sid: '~jumpcloud:' + profile.nameID, name: profile.nameID, strategy: 'jumpcloud' };
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if ((typeof profile.firstname == 'string') && (typeof profile.lastname == 'string')) { user.name = profile.firstname + ' ' + profile.lastname; }
if (typeof profile.email == 'string') { user.email = profile.email; }
return done(null, user);
}
));
obj.app.get(url + 'auth-jumpcloud', function (req, res, next) {
var domain = getDomain(req);
if (domain.passport == null) { next(); return; }
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domain.passport.authenticate('saml', { failureRedirect: '/', failureFlash: true })(req, res, next);
});
obj.app.post(url + 'auth-jumpcloud-callback', function (req, res, next) {
var domain = getDomain(req);
if (domain.passport == null) { next(); return; }
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domain.passport.authenticate('saml', { failureRedirect: '/', failureFlash: true })(req, res, next);
}, handleStrategyLogin);
}
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}
}
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}
// Server redirects
if (parent.config.domains[i].redirects) { for (var j in parent.config.domains[i].redirects) { if (j[0] != '_') { obj.app.get(url + j, obj.handleDomainRedirect); } } }
// Server picture
obj.app.get(url + 'serverpic.ashx', function (req, res) {
// Check if we have "server.jpg" in the data folder, if so, use that.
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if ((parent.configurationFiles != null) && (parent.configurationFiles['server.png'] != null)) {
res.set({ 'Content-Type': 'image/png' });
res.send(parent.configurationFiles['server.png']);
} else {
// Check if we have "server.jpg" in the data folder, if so, use that.
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var p = obj.path.join(obj.parent.datapath, 'server.png');
if (obj.fs.existsSync(p)) {
// Use the data folder server picture
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try { res.sendFile(p); } catch (ex) { res.sendStatus(404); }
} else {
var domain = getDomain(req);
if ((domain != null) && (domain.webpublicpath != null) && (obj.fs.existsSync(obj.path.join(domain.webpublicpath, 'images/server-256.png')))) {
// Use the domain server picture
try { res.sendFile(obj.path.join(domain.webpublicpath, 'images/server-256.png')); } catch (ex) { res.sendStatus(404); }
} else if (parent.webPublicOverridePath && obj.fs.existsSync(obj.path.join(obj.parent.webPublicOverridePath, 'images/server-256.png'))) {
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// Use the override server picture
try { res.sendFile(obj.path.join(obj.parent.webPublicOverridePath, 'images/server-256.png')); } catch (ex) { res.sendStatus(404); }
} else {
// Use the default server picture
try { res.sendFile(obj.path.join(obj.parent.webPublicPath, 'images/server-256.png')); } catch (ex) { res.sendStatus(404); }
}
}
}
});
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// Receive mesh agent connections
obj.app.ws(url + 'agent.ashx', function (ws, req) {
var domain = checkAgentIpAddress(ws, req);
if (domain == null) { parent.debug('web', 'Got agent connection with bad domain or blocked IP address ' + req.clientIp + ', holding.'); return; }
//console.log('Agent connect: ' + req.clientIp);
try { obj.meshAgentHandler.CreateMeshAgent(obj, obj.db, ws, req, obj.args, domain); } catch (e) { console.log(e); }
});
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// Setup MQTT broker over websocket
if (obj.parent.mqttbroker != null) {
obj.app.ws(url + 'mqtt.ashx', function (ws, req) {
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var domain = checkAgentIpAddress(ws, req);
if (domain == null) { parent.debug('web', 'Got agent connection with bad domain or blocked IP address ' + req.clientIp + ', holding.'); return; }
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var serialtunnel = SerialTunnel();
serialtunnel.xtransport = 'ws';
serialtunnel.xdomain = domain;
serialtunnel.xip = req.clientIp;
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ws.on('message', function (b) { serialtunnel.updateBuffer(Buffer.from(b, 'binary')) });
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serialtunnel.forwardwrite = function (b) { ws.send(b, 'binary') }
ws.on('close', function () { serialtunnel.emit('end'); });
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obj.parent.mqttbroker.handle(serialtunnel); // Pass socket wrapper to MQTT broker
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});
}
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// Setup the alternative agent-only port
if (obj.agentapp) {
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// Receive mesh agent connections on alternate port
obj.agentapp.ws(url + 'agent.ashx', function (ws, req) {
var domain = checkAgentIpAddress(ws, req);
if (domain == null) { parent.debug('web', 'Got agent connection with bad domain or blocked IP address ' + req.clientIp + ', holding.'); return; }
//console.log('Agent connect: ' + req.clientIp);
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try { obj.meshAgentHandler.CreateMeshAgent(obj, obj.db, ws, req, obj.args, domain); } catch (e) { console.log(e); }
});
// Setup mesh relay on alternative agent-only port
obj.agentapp.ws(url + 'meshrelay.ashx', function (ws, req) {
PerformWSSessionAuth(ws, req, true, function (ws1, req1, domain, user, cookie) {
if (((parent.config.settings.desktopmultiplex === true) || (domain.desktopmultiplex === true)) && (req.query.p == 2)) {
obj.meshDesktopMultiplexHandler.CreateMeshRelay(obj, ws1, req1, domain, user, cookie); // Desktop multiplexor 1-to-n
} else {
obj.meshRelayHandler.CreateMeshRelay(obj, ws1, req1, domain, user, cookie); // Normal relay 1-to-1
}
});
});
// Allows agents to transfer files
obj.agentapp.ws(url + 'devicefile.ashx', function (ws, req) { obj.meshDeviceFileHandler.CreateMeshDeviceFile(obj, ws, null, req, domain); });
// Setup agent to/from server file transfer handler
obj.agentapp.ws(url + 'agenttransfer.ashx', handleAgentFileTransfer); // Setup agent to/from server file transfer handler
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}
// Indicates to ExpressJS that the override public folder should be used to serve static files.
if (parent.config.domains[i].webpublicpath != null) {
// Use domain public path
obj.app.use(url, obj.express.static(parent.config.domains[i].webpublicpath));
} else if (obj.parent.webPublicOverridePath != null) {
// Use override path
obj.app.use(url, obj.express.static(obj.parent.webPublicOverridePath));
}
// Indicates to ExpressJS that the default public folder should be used to serve static files.
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obj.app.use(url, obj.express.static(obj.parent.webPublicPath));
// Start regular disconnection list flush every 2 minutes.
obj.wsagentsDisconnectionsTimer = setInterval(function () { obj.wsagentsDisconnections = {}; }, 120000);
}
// Handle 404 error
if (obj.args.nice404 !== false) {
obj.app.use(function (req, res, next) {
parent.debug('web', '404 Error ' + req.url);
var domain = getDomain(req);
if ((domain == null) || (domain.auth == 'sspi')) { res.sendStatus(404); return; }
if ((domain.loginkey != null) && (domain.loginkey.indexOf(req.query.key) == -1)) { res.sendStatus(404); return; } // Check 3FA URL key
res.status(404).render(getRenderPage((domain.sitestyle == 2) ? 'error4042' : 'error404', req, domain), getRenderArgs({}, req, domain));
});
}
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// Start server on a free port.
CheckListenPort(obj.args.port, obj.args.portbind, StartWebServer);
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// Start on a second agent-only alternative port if needed.
if (obj.args.agentport) { CheckListenPort(obj.args.agentport, obj.args.agentportbind, StartAltWebServer); }
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}
// Authenticates a session and forwards
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function PerformWSSessionAuth(ws, req, noAuthOk, func) {
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// Check if this is a banned ip address
if (obj.checkAllowLogin(req) == false) { parent.debug('web', 'WSERROR: Banned connection.'); try { ws.send(JSON.stringify({ action: 'close', cause: 'banned', msg: 'banned-1' })); ws.close(); } catch (e) { } return; }
try {
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// Hold this websocket until we are ready.
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ws._socket.pause();
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// Check IP filtering and domain
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var domain = null;
if (noAuthOk == true) {
domain = getDomain(req);
if (domain == null) { parent.debug('web', 'WSERROR: Got no domain, no auth ok.'); try { ws.send(JSON.stringify({ action: 'close', cause: 'noauth', msg: 'noauth-1' })); ws.close(); return; } catch (e) { } return; }
} else {
// If authentication is required, enforce IP address filtering.
domain = checkUserIpAddress(ws, req);
if (domain == null) { parent.debug('web', 'WSERROR: Got no domain, user auth required.'); return; }
}
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var emailcheck = ((obj.parent.mailserver != null) && (obj.parent.certificates.CommonName != null) && (obj.parent.certificates.CommonName.indexOf('.') != -1) && (obj.args.lanonly != true) && (domain.auth != 'sspi') && (domain.auth != 'ldap'))
// A web socket session can be authenticated in many ways (Default user, session, user/pass and cookie). Check authentication here.
if ((req.query.user != null) && (req.query.pass != null)) {
// A user/pass is provided in URL arguments
obj.authenticate(req.query.user, req.query.pass, domain, function (err, userid) {
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// See if we support two-factor trusted cookies
var twoFactorCookieDays = 30;
if (typeof domain.twofactorcookiedurationdays == 'number') { twoFactorCookieDays = domain.twofactorcookiedurationdays; }
var user = obj.users[userid];
if ((err == null) && (user)) {
// Check if a 2nd factor is needed
if (checkUserOneTimePasswordRequired(domain, user, req) == true) {
// Figure out if email 2FA is allowed
var email2fa = (((typeof domain.passwordrequirements != 'object') || (domain.passwordrequirements.email2factor != false)) && (parent.mailserver != null) && (user.otpekey != null));
var sms2fa = (((typeof domain.passwordrequirements != 'object') || (domain.passwordrequirements.sms2factor != false)) && (parent.smsserver != null) && (user.phone != null));
if ((typeof req.query.token != 'string') || (req.query.token == '**email**') || (req.query.token == '**sms**')) {
if ((req.query.token == '**email**') && (email2fa == true)) {
// Cause a token to be sent to the user's registered email
user.otpekey = { k: obj.common.zeroPad(getRandomEightDigitInteger(), 8), d: Date.now() };
obj.db.SetUser(user);
parent.debug('web', 'Sending 2FA email to: ' + user.email);
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parent.mailserver.sendAccountLoginMail(domain, user.email, user.otpekey.k, obj.getLanguageCodes(req), req.query.key);
// Ask for a login token & confirm email was sent
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try { ws.send(JSON.stringify({ action: 'close', cause: 'noauth', msg: 'tokenrequired', email2fa: email2fa, email2fasent: true, twoFactorCookieDays: twoFactorCookieDays })); ws.close(); } catch (e) { }
} else if ((req.query.token == '**sms**') && (sms2fa == true)) {
// Cause a token to be sent to the user's phone number
user.otpsms = { k: obj.common.zeroPad(getRandomSixDigitInteger(), 6), d: Date.now() };
obj.db.SetUser(user);
parent.debug('web', 'Sending 2FA SMS to: ' + user.phone);
parent.smsserver.sendToken(domain, user.phone, user.otpsms.k, obj.getLanguageCodes(req));
// Ask for a login token & confirm sms was sent
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try { ws.send(JSON.stringify({ action: 'close', cause: 'noauth', msg: 'tokenrequired', sms2fa: sms2fa, sms2fasent: true, twoFactorCookieDays: twoFactorCookieDays })); ws.close(); } catch (e) { }
} else {
// Ask for a login token
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parent.debug('web', 'Asking for login token');
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try { ws.send(JSON.stringify({ action: 'close', cause: 'noauth', msg: 'tokenrequired', email2fa: email2fa, twoFactorCookieDays: twoFactorCookieDays })); ws.close(); } catch (e) { }
}
} else {
checkUserOneTimePassword(req, domain, user, req.query.token, null, function (result) {
if (result == false) {
// Failed, ask for a login token again
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parent.debug('web', 'Invalid login token, asking again');
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try { ws.send(JSON.stringify({ action: 'close', cause: 'noauth', msg: 'tokenrequired', email2fa: email2fa, twoFactorCookieDays: twoFactorCookieDays })); ws.close(); } catch (e) { }
} else {
// We are authenticated with 2nd factor.
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// Check email verification
if (emailcheck && (user.email != null) && (user.emailVerified !== true)) {
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parent.debug('web', 'Invalid login, asking for email validation');
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try { ws.send(JSON.stringify({ action: 'close', cause: 'emailvalidation', msg: 'emailvalidationrequired', email2fa: email2fa, email2fasent: true })); ws.close(); } catch (e) { }
} else {
func(ws, req, domain, user);
}
}
});
}
} else {
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// Check email verification
if (emailcheck && (user.email != null) && (user.emailVerified !== true)) {
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parent.debug('web', 'Invalid login, asking for email validation');
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try { ws.send(JSON.stringify({ action: 'close', cause: 'emailvalidation', msg: 'emailvalidationrequired', email2fa: email2fa, email2fasent: true })); ws.close(); } catch (e) { }
} else {
// We are authenticated
func(ws, req, domain, user);
}
}
} else {
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// Failed to authenticate, see if a default user is active
if (obj.args.user && obj.users['user/' + domain.id + '/' + obj.args.user.toLowerCase()]) {
// A default user is active
func(ws, req, domain, obj.users['user/' + domain.id + '/' + obj.args.user.toLowerCase()]);
} else {
// If not authenticated, close the websocket connection
parent.debug('web', 'ERR: Websocket bad user/pass auth');
//obj.parent.DispatchEvent(['*', 'server-users', 'user/' + domain.id + '/' + obj.args.user.toLowerCase()], obj, { action: 'authfail', userid: 'user/' + domain.id + '/' + obj.args.user.toLowerCase(), username: obj.args.user, domain: domain.id, msg: 'Invalid user login attempt from ' + req.clientIp });
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//obj.setbadLogin(req);
try { ws.send(JSON.stringify({ action: 'close', cause: 'noauth', msg: 'noauth-2' })); ws.close(); } catch (e) { }
2018-10-16 20:52:05 +03:00
}
}
});
return;
} else if ((req.query.auth != null) && (req.query.auth != '')) {
// This is a encrypted cookie authentication
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var cookie = obj.parent.decodeCookie(req.query.auth, obj.parent.loginCookieEncryptionKey, 60); // Cookie with 1 hour timeout
if ((cookie == null) && (obj.parent.multiServer != null)) { cookie = obj.parent.decodeCookie(req.query.auth, obj.parent.serverKey, 60); } // Try the server key
if ((obj.args.cookieipcheck !== false) && (cookie != null) && (cookie.ip != null) && (cookie.ip != req.clientIp && (cookie.ip != req.clientIp))) { // If the cookie if binded to an IP address, check here.
parent.debug('web', 'ERR: Invalid cookie IP address, got \"' + cookie.ip + '\", expected \"' + cleanRemoteAddr(req.clientIp) + '\".');
cookie = null;
}
if ((cookie != null) && (obj.users[cookie.userid]) && (cookie.domainid == domain.id)) {
// Valid cookie, we are authenticated
func(ws, req, domain, obj.users[cookie.userid], cookie);
} else {
// This is a bad cookie, keep going anyway, maybe we have a active session that will save us.
if ((cookie != null) && (cookie.domainid != domain.id)) { parent.debug('web', 'ERR: Invalid domain, got \"' + cookie.domainid + '\", expected \"' + domain.id + '\".'); }
parent.debug('web', 'ERR: Websocket bad cookie auth (Cookie:' + (cookie != null) + '): ' + req.query.auth);
try { ws.send(JSON.stringify({ action: 'close', cause: 'noauth', msg: 'noauth-2' })); ws.close(); } catch (e) { }
}
return;
} else if (req.headers['x-meshauth'] != null) {
// This is authentication using a custom HTTP header
var s = req.headers['x-meshauth'].split(',');
for (var i in s) { s[i] = Buffer.from(s[i], 'base64').toString(); }
if ((s.length < 2) || (s.length > 3)) { try { ws.send(JSON.stringify({ action: 'close', cause: 'noauth', msg: 'noauth-2' })); ws.close(); } catch (e) { } return; }
obj.authenticate(s[0], s[1], domain, function (err, userid) {
var user = obj.users[userid];
if ((err == null) && (user)) {
// Check if a 2nd factor is needed
if (checkUserOneTimePasswordRequired(domain, user, req) == true) {
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// See if we support two-factor trusted cookies
var twoFactorCookieDays = 30;
if (typeof domain.twofactorcookiedurationdays == 'number') { twoFactorCookieDays = domain.twofactorcookiedurationdays; }
// Figure out if email 2FA is allowed
var email2fa = (((typeof domain.passwordrequirements != 'object') || (domain.passwordrequirements.email2factor != false)) && (parent.mailserver != null) && (user.otpekey != null));
var sms2fa = (((typeof domain.passwordrequirements != 'object') || (domain.passwordrequirements.sms2factor != false)) && (parent.smsserver != null) && (user.phone != null));
if (s.length != 3) {
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try { ws.send(JSON.stringify({ action: 'close', cause: 'noauth', msg: 'tokenrequired', email2fa: email2fa, sms2fa: sms2fa, twoFactorCookieDays: twoFactorCookieDays })); ws.close(); } catch (e) { }
} else {
checkUserOneTimePassword(req, domain, user, s[2], null, function (result) {
if (result == false) {
if ((s[2] == '**email**') && (email2fa == true)) {
// Cause a token to be sent to the user's registered email
user.otpekey = { k: obj.common.zeroPad(getRandomEightDigitInteger(), 8), d: Date.now() };
obj.db.SetUser(user);
parent.debug('web', 'Sending 2FA email to: ' + user.email);
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parent.mailserver.sendAccountLoginMail(domain, user.email, user.otpekey.k, obj.getLanguageCodes(req), req.query.key);
// Ask for a login token & confirm email was sent
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try { ws.send(JSON.stringify({ action: 'close', cause: 'noauth', msg: 'tokenrequired', email2fa: email2fa, email2fasent: true, twoFactorCookieDays: twoFactorCookieDays })); ws.close(); } catch (e) { }
} else if ((s[2] == '**sms**') && (sms2fa == true)) {
// Cause a token to be sent to the user's phone number
user.otpsms = { k: obj.common.zeroPad(getRandomSixDigitInteger(), 6), d: Date.now() };
obj.db.SetUser(user);
parent.debug('web', 'Sending 2FA SMS to: ' + user.phone);
parent.smsserver.sendToken(domain, user.phone, user.otpsms.k, obj.getLanguageCodes(req));
// Ask for a login token & confirm sms was sent
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try { ws.send(JSON.stringify({ action: 'close', cause: 'noauth', msg: 'tokenrequired', sms2fa: sms2fa, sms2fasent: true, twoFactorCookieDays: twoFactorCookieDays })); ws.close(); } catch (e) { }
} else {
// Ask for a login token
try { ws.send(JSON.stringify({ action: 'close', cause: 'noauth', msg: 'tokenrequired', email2fa: email2fa, twoFactorCookieDays: twoFactorCookieDays })); ws.close(); } catch (e) { }
}
} else {
// We are authenticated with 2nd factor.
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// Check email verification
if (emailcheck && (user.email != null) && (user.emailVerified !== true)) {
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try { ws.send(JSON.stringify({ action: 'close', cause: 'emailvalidation', msg: 'emailvalidationrequired', email2fa: email2fa, email2fasent: true, twoFactorCookieDays: twoFactorCookieDays })); ws.close(); } catch (e) { }
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} else {
func(ws, req, domain, user);
}
}
});
}
} else {
// We are authenticated
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// Check email verification
if (emailcheck && (user.email != null) && (user.emailVerified !== true)) {
try { ws.send(JSON.stringify({ action: 'close', cause: 'emailvalidation', msg: 'emailvalidationrequired', email2fa: email2fa, email2fasent: true })); ws.close(); } catch (e) { }
} else {
func(ws, req, domain, user);
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}
}
} else {
// Failed to authenticate, see if a default user is active
if (obj.args.user && obj.users['user/' + domain.id + '/' + obj.args.user.toLowerCase()]) {
// A default user is active
func(ws, req, domain, obj.users['user/' + domain.id + '/' + obj.args.user.toLowerCase()]);
} else {
// If not authenticated, close the websocket connection
parent.debug('web', 'ERR: Websocket bad user/pass auth');
try { ws.send(JSON.stringify({ action: 'close', cause: 'noauth', msg: 'noauth-2' })); ws.close(); } catch (e) { }
}
}
});
return;
}
//console.log(req.headers['x-meshauth']);
if (obj.args.user && obj.users['user/' + domain.id + '/' + obj.args.user.toLowerCase()]) {
// A default user is active
func(ws, req, domain, obj.users['user/' + domain.id + '/' + obj.args.user.toLowerCase()]);
return;
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} else if (req.session && (req.session.userid != null) && (req.session.domainid == domain.id) && (obj.users[req.session.userid])) {
// This user is logged in using the ExpressJS session
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func(ws, req, domain, obj.users[req.session.userid]);
return;
}
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if (noAuthOk != true) {
// If not authenticated, close the websocket connection
parent.debug('web', 'ERR: Websocket no auth');
try { ws.send(JSON.stringify({ action: 'close', cause: 'noauth', msg: 'noauth-4' })); ws.close(); } catch (e) { }
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} else {
// Continue this session without user authentication,
// this is expected if the agent is connecting for a tunnel.
func(ws, req, domain, null);
}
} catch (e) { console.log(e); }
}
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// Find a free port starting with the specified one and going up.
function CheckListenPort(port, addr, func) {
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var s = obj.net.createServer(function (socket) { });
obj.tcpServer = s.listen(port, addr, function () { s.close(function () { if (func) { func(port, addr); } }); }).on('error', function (err) {
if (args.exactports) { console.error('ERROR: MeshCentral HTTPS server port ' + port + ' not available.'); process.exit(); }
else { if (port < 65535) { CheckListenPort(port + 1, addr, func); } else { if (func) { func(0); } } }
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});
}
// Start the ExpressJS web server
function StartWebServer(port, addr) {
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if ((port < 1) || (port > 65535)) return;
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obj.args.port = port;
if (obj.tlsServer != null) {
if (obj.args.lanonly == true) {
obj.tcpServer = obj.tlsServer.listen(port, addr, function () { console.log('MeshCentral HTTPS server running on port ' + port + ((args.aliasport != null) ? (', alias port ' + args.aliasport) : '') + '.'); });
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} else {
obj.tcpServer = obj.tlsServer.listen(port, addr, function () { console.log('MeshCentral HTTPS server running on ' + certificates.CommonName + ':' + port + ((args.aliasport != null) ? (', alias port ' + args.aliasport) : '') + '.'); });
obj.parent.updateServerState('servername', certificates.CommonName);
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}
if (obj.parent.authlog) { obj.parent.authLog('https', 'Server listening on ' + ((addr != null) ? addr : '0.0.0.0') + ' port ' + port + '.'); }
obj.parent.updateServerState('https-port', port);
if (args.aliasport != null) { obj.parent.updateServerState('https-aliasport', args.aliasport); }
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} else {
obj.tcpServer = obj.app.listen(port, addr, function () { console.log('MeshCentral HTTP server running on port ' + port + ((args.aliasport != null) ? (', alias port ' + args.aliasport) : '') + '.'); });
obj.parent.updateServerState('http-port', port);
if (args.aliasport != null) { obj.parent.updateServerState('http-aliasport', args.aliasport); }
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}
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// Check if there is a permissions problem with the ports.
if (require('os').platform() != 'win32') {
var expectedPort = obj.parent.config.settings.port ? obj.parent.config.settings.port : 443;
if ((expectedPort != port) && (port >= 1024) && (port < 1034)) {
console.log('');
console.log('WARNING: MeshCentral is running without permissions to use ports below 1025.');
console.log(' Use setcap to grant access to lower ports, or read installation guide.');
console.log('');
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console.log(' sudo setcap \'cap_net_bind_service=+ep\' `which node` \r\n');
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obj.parent.addServerWarning('Server running without permissions to use ports below 1025.', false);
}
}
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}
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// Start the ExpressJS web server on agent-only alternative port
function StartAltWebServer(port, addr) {
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if ((port < 1) || (port > 65535)) return;
var agentAliasPort = null;
if (args.agentaliasport != null) { agentAliasPort = args.agentaliasport; }
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if (obj.tlsAltServer != null) {
if (obj.args.lanonly == true) {
obj.tcpAltServer = obj.tlsAltServer.listen(port, addr, function () { console.log('MeshCentral HTTPS agent-only server running on port ' + port + ((agentAliasPort != null) ? (', alias port ' + agentAliasPort) : '') + '.'); });
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} else {
obj.tcpAltServer = obj.tlsAltServer.listen(port, addr, function () { console.log('MeshCentral HTTPS agent-only server running on ' + certificates.CommonName + ':' + port + ((agentAliasPort != null) ? (', alias port ' + agentAliasPort) : '') + '.'); });
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}
if (obj.parent.authlog) { obj.parent.authLog('https', 'Server listening on 0.0.0.0 port ' + port + '.'); }
obj.parent.updateServerState('https-agent-port', port);
} else {
obj.tcpAltServer = obj.agentapp.listen(port, addr, function () { console.log('MeshCentral HTTP agent-only server running on port ' + port + ((agentAliasPort != null) ? (', alias port ' + agentAliasPort) : '') + '.'); });
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obj.parent.updateServerState('http-agent-port', port);
}
}
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// Force mesh agent disconnection
obj.forceMeshAgentDisconnect = function (user, domain, nodeid, disconnectMode) {
if (nodeid == null) return;
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var splitnode = nodeid.split('/');
if ((splitnode.length != 3) || (splitnode[1] != domain.id)) return; // Check that nodeid is valid and part of our domain
var agent = obj.wsagents[nodeid];
if (agent == null) return;
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// Check we have agent rights
if (((obj.GetMeshRights(user, agent.dbMeshKey) & MESHRIGHT_AGENTCONSOLE) != 0) || (user.siteadmin == 0xFFFFFFFF)) { agent.close(disconnectMode); }
};
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// Send the core module to the mesh agent
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obj.sendMeshAgentCore = function (user, domain, nodeid, coretype, coredata) {
if (nodeid == null) return;
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const splitnode = nodeid.split('/');
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if ((splitnode.length != 3) || (splitnode[1] != domain.id)) return; // Check that nodeid is valid and part of our domain
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// TODO: This command only works if the agent is connected on the same server. Will not work with multi server peering.
const agent = obj.wsagents[nodeid];
if (agent == null) return;
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// Check we have agent rights
if (((obj.GetMeshRights(user, agent.dbMeshKey) & MESHRIGHT_AGENTCONSOLE) != 0) || (user.siteadmin == 0xFFFFFFFF)) {
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if (coretype == 'clear') {
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// Clear the mesh agent core
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agent.agentCoreCheck = 1000; // Tell the agent object we are using a custom core.
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agent.send(obj.common.ShortToStr(10) + obj.common.ShortToStr(0));
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} else if (coretype == 'default') {
// Reset to default code
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agent.agentCoreCheck = 0; // Tell the agent object we are using a default code
agent.send(obj.common.ShortToStr(11) + obj.common.ShortToStr(0)); // Command 11, ask for mesh core hash.
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} else if (coretype == 'recovery') {
// Reset to recovery core
agent.agentCoreCheck = 1001; // Tell the agent object we are using the recovery core.
agent.send(obj.common.ShortToStr(11) + obj.common.ShortToStr(0)); // Command 11, ask for mesh core hash.
} else if (coretype == 'custom') {
agent.agentCoreCheck = 1000; // Tell the agent object we are using a custom core.
const hash = obj.crypto.createHash('sha384').update(Buffer.from(coredata, 'binary')).digest().toString('binary'); // Perform a SHA384 hash on the core module
agent.send(obj.common.ShortToStr(10) + obj.common.ShortToStr(0) + hash + coredata); // Send the code module to the agent
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}
}
};
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// Get the server path of a user or mesh object
function getServerRootFilePath(obj) {
if ((typeof obj != 'object') || (obj.domain == null) || (obj._id == null)) return null;
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var domainname = 'domain', splitname = obj._id.split('/');
if (splitname.length != 3) return null;
if (obj.domain !== '') domainname = 'domain-' + obj.domain;
return obj.path.join(obj.filespath, domainname + "/" + splitname[0] + "-" + splitname[2]);
}
// Return true is the input string looks like an email address
function checkEmail(str) {
var x = str.split('@');
var ok = ((x.length == 2) && (x[0].length > 0) && (x[1].split('.').length > 1) && (x[1].length > 2));
if (ok == true) { var y = x[1].split('.'); for (var i in y) { if (y[i].length == 0) { ok = false; } } }
return ok;
}
/*
obj.wssessions = {}; // UserId --> Array Of Sessions
obj.wssessions2 = {}; // "UserId + SessionRnd" --> Session (Note that the SessionId is the UserId + / + SessionRnd)
obj.wsPeerSessions = {}; // ServerId --> Array Of "UserId + SessionRnd"
obj.wsPeerSessions2 = {}; // "UserId + SessionRnd" --> ServerId
obj.wsPeerSessions3 = {}; // ServerId --> UserId --> [ SessionId ]
*/
// Count sessions and event any changes
obj.recountSessions = function (changedSessionId) {
var userid, oldcount, newcount, x, serverid;
if (changedSessionId == null) {
// Recount all sessions
// Calculate the session count for all userid's
var newSessionsCount = {};
for (userid in obj.wssessions) { newSessionsCount[userid] = obj.wssessions[userid].length; }
for (serverid in obj.wsPeerSessions3) {
for (userid in obj.wsPeerSessions3[serverid]) {
x = obj.wsPeerSessions3[serverid][userid].length;
if (newSessionsCount[userid] == null) { newSessionsCount[userid] = x; } else { newSessionsCount[userid] += x; }
}
}
// See what session counts have changed, event any changes
for (userid in newSessionsCount) {
newcount = newSessionsCount[userid];
oldcount = obj.sessionsCount[userid];
if (oldcount == null) { oldcount = 0; } else { delete obj.sessionsCount[userid]; }
if (newcount != oldcount) {
x = userid.split('/');
var u = obj.users[userid];
if (u) {
var targets = ['*', 'server-users'];
if (u.groups) { for (var i in u.groups) { targets.push('server-users:' + i); } }
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obj.parent.DispatchEvent(targets, obj, { action: 'wssessioncount', userid: userid, username: x[2], count: newcount, domain: x[1], nolog: 1, nopeers: 1 });
}
}
}
// If there are any counts left in the old counts, event to zero
for (userid in obj.sessionsCount) {
oldcount = obj.sessionsCount[userid];
if ((oldcount != null) && (oldcount != 0)) {
x = userid.split('/');
var u = obj.users[userid];
if (u) {
var targets = ['*', 'server-users'];
if (u.groups) { for (var i in u.groups) { targets.push('server-users:' + i); } }
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obj.parent.DispatchEvent(['*'], obj, { action: 'wssessioncount', userid: userid, username: x[2], count: 0, domain: x[1], nolog: 1, nopeers: 1 })
}
}
}
// Set the new session counts
obj.sessionsCount = newSessionsCount;
} else {
// Figure out the userid
userid = changedSessionId.split('/').slice(0, 3).join('/');
// Recount only changedSessionId
newcount = 0;
if (obj.wssessions[userid] != null) { newcount = obj.wssessions[userid].length; }
for (serverid in obj.wsPeerSessions3) { if (obj.wsPeerSessions3[serverid][userid] != null) { newcount += obj.wsPeerSessions3[serverid][userid].length; } }
oldcount = obj.sessionsCount[userid];
if (oldcount == null) { oldcount = 0; }
// If the count changed, update and event
if (newcount != oldcount) {
x = userid.split('/');
var u = obj.users[userid];
if (u) {
var targets = ['*', 'server-users'];
if (u.groups) { for (var i in u.groups) { targets.push('server-users:' + i); } }
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obj.parent.DispatchEvent(targets, obj, { action: 'wssessioncount', userid: userid, username: x[2], count: newcount, domain: x[1], nolog: 1, nopeers: 1 });
obj.sessionsCount[userid] = newcount;
}
}
}
};
//
// Access Control Functions
//
// Return the node and rights for a given nodeid
obj.GetNodeWithRights = function (domain, user, nodeid, func) {
// Perform user pre-validation
if ((user == null) || (nodeid == null)) { func(null, 0, false); return; } // Invalid user
if (typeof user == 'string') { user = obj.users[user]; }
if (user == null) { func(null, 0, false); return; } // No rights
// Perform node pre-validation
if (obj.common.validateString(nodeid, 0, 128) == false) { func(null, 0, false); return; } // Invalid nodeid
const snode = nodeid.split('/');
if ((snode.length != 3) || (snode[0] != 'node')) { func(null, 0, false); return; } // Invalid nodeid
if ((domain != null) && (snode[1] != domain.id)) { func(null, 0, false); return; } // Invalid domain
// Check that we have permissions for this node.
db.Get(nodeid, function (err, nodes) {
if ((nodes == null) || (nodes.length != 1)) { func(null, 0, false); return; } // No such nodeid
// This is a super user that can see all device groups for a given domain
if ((user.siteadmin == 0xFFFFFFFF) && (parent.config.settings.managealldevicegroups.indexOf(user._id) >= 0) && (nodes[0].domain == user.domain)) {
func(nodes[0], 0xFFFFFFFF, true); return;
}
// If no links, stop here.
if (user.links == null) { func(null, 0, false); return; }
// Check device link
var rights = 0, visible = false, r = user.links[nodeid];
if (r != null) {
if (r.rights == 0xFFFFFFFF) { func(nodes[0], 0xFFFFFFFF, true); return; } // User has full rights thru a device link, stop here.
rights |= r.rights;
visible = true;
}
// Check device group link
r = user.links[nodes[0].meshid];
if (r != null) {
if (r.rights == 0xFFFFFFFF) { func(nodes[0], 0xFFFFFFFF, true); return; } // User has full rights thru a device group link, stop here.
rights |= r.rights;
visible = true;
}
// Check user group links
for (var i in user.links) {
if (i.startsWith('ugrp/')) {
const g = obj.userGroups[i];
if (g && (g.links != null)) {
r = g.links[nodes[0].meshid];
if (r != null) {
if (r.rights == 0xFFFFFFFF) { func(nodes[0], 0xFFFFFFFF, true); return; } // User has full rights thru a user group link, stop here.
rights |= r.rights; // TODO: Deal with reverse rights
visible = true;
}
r = g.links[nodeid];
if (r != null) {
if (r.rights == 0xFFFFFFFF) { func(nodes[0], 0xFFFFFFFF, true); return; } // User has full rights thru a user group direct link, stop here.
rights |= r.rights; // TODO: Deal with reverse rights
visible = true;
}
}
}
}
// Return the rights we found
func(nodes[0], rights, visible);
});
}
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// Returns a list of all meshes that this user has some rights too
obj.GetAllMeshWithRights = function (user, rights) {
if (typeof user == 'string') { user = obj.users[user]; }
if (user == null) { return []; }
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var r = [];
if ((user.siteadmin == 0xFFFFFFFF) && (parent.config.settings.managealldevicegroups.indexOf(user._id) >= 0)) {
// This is a super user that can see all device groups for a given domain
var meshStartStr = 'mesh/' + user.domain + '/';
for (var i in obj.meshes) { if ((obj.meshes[i]._id.startsWith(meshStartStr)) && (obj.meshes[i].deleted == null)) { r.push(obj.meshes[i]); } }
return r;
}
if (user.links == null) { return []; }
for (var i in user.links) {
if (i.startsWith('mesh/')) {
// Grant access to a device group thru a direct link
const m = obj.meshes[i];
if ((m) && (m.deleted == null) && ((rights == null) || ((m.rights & rights) != 0))) {
if (r.indexOf(m) == -1) { r.push(m); }
}
} else if (i.startsWith('ugrp/')) {
// Grant access to a device group thru a user group
const g = obj.userGroups[i];
if (g && (g.links != null) && ((rights == null) || ((g.rights & rights) != 0))) {
for (var j in g.links) {
if (j.startsWith('mesh/')) {
const m = obj.meshes[j];
if ((m) && (m.deleted == null)) {
if (r.indexOf(m) == -1) { r.push(m); }
}
}
}
}
}
}
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return r;
}
// Returns a list of all mesh id's that this user has some rights too
obj.GetAllMeshIdWithRights = function (user, rights) {
if (typeof user == 'string') { user = obj.users[user]; }
if (user == null) { return []; }
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var r = [];
if ((user.siteadmin == 0xFFFFFFFF) && (parent.config.settings.managealldevicegroups.indexOf(user._id) >= 0)) {
// This is a super user that can see all device groups for a given domain
var meshStartStr = 'mesh/' + user.domain + '/';
for (var i in obj.meshes) { if ((obj.meshes[i]._id.startsWith(meshStartStr)) && (obj.meshes[i].deleted == null)) { r.push(obj.meshes[i]._id); } }
return r;
}
if (user.links == null) { return []; }
for (var i in user.links) {
if (i.startsWith('mesh/')) {
// Grant access to a device group thru a direct link
const m = obj.meshes[i];
if ((m) && (m.deleted == null) && ((rights == null) || ((m.rights & rights) != 0))) {
if (r.indexOf(m._id) == -1) { r.push(m._id); }
}
} else if (i.startsWith('ugrp/')) {
// Grant access to a device group thru a user group
const g = obj.userGroups[i];
if (g && (g.links != null) && ((rights == null) || ((g.rights & rights) != 0))) {
for (var j in g.links) {
if (j.startsWith('mesh/')) {
const m = obj.meshes[j];
if ((m) && (m.deleted == null)) {
if (r.indexOf(m._id) == -1) { r.push(m._id); }
}
}
}
}
}
}
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return r;
}
// Get the rights of a user on a given device group
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obj.GetMeshRights = function (user, mesh) {
if ((user == null) || (mesh == null)) { return 0; }
if (typeof user == 'string') { user = obj.users[user]; }
if (user == null) { return 0; }
var r, meshid;
if (typeof mesh == 'string') {
meshid = mesh;
} else if ((typeof mesh == 'object') && (typeof mesh._id == 'string')) {
meshid = mesh._id;
} else return 0;
// Check if this is a super user that can see all device groups for a given domain
if ((user.siteadmin == 0xFFFFFFFF) && (parent.config.settings.managealldevicegroups.indexOf(user._id) >= 0) && (meshid.startsWith('mesh/' + user.domain + '/'))) { return 0xFFFFFFFF; }
// Check direct user to device group permissions
if (user.links == null) return 0;
var rights = 0;
r = user.links[meshid];
if (r != null) {
var rights = r.rights;
if (rights == 0xFFFFFFFF) { return rights; } // If the user has full access thru direct link, stop here.
}
// Check if we are part of any user groups that would give this user more access.
for (var i in user.links) {
if (i.startsWith('ugrp')) {
const g = obj.userGroups[i];
if (g) {
r = g.links[meshid];
if (r != null) {
if (r.rights == 0xFFFFFFFF) {
return r.rights; // If the user hash full access thru a user group link, stop here.
} else {
rights |= r.rights; // Add to existing rights (TODO: Deal with reverse rights)
}
}
}
}
}
return rights;
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}
// Returns true if the user can view the given device group
obj.IsMeshViewable = function (user, mesh) {
if ((user == null) || (mesh == null)) { return false; }
if (typeof user == 'string') { user = obj.users[user]; }
if (user == null) { return false; }
var meshid;
if (typeof mesh == 'string') {
meshid = mesh;
} else if ((typeof mesh == 'object') && (typeof mesh._id == 'string')) {
meshid = mesh._id;
} else return false;
// Check if this is a super user that can see all device groups for a given domain
if ((user.siteadmin == 0xFFFFFFFF) && (parent.config.settings.managealldevicegroups.indexOf(user._id) >= 0) && (meshid.startsWith('mesh/' + user.domain + '/'))) { return true; }
// Check direct user to device group permissions
if (user.links == null) { return false; }
if (user.links[meshid] != null) { return true; } // If the user has a direct link, stop here.
// Check if we are part of any user groups that would give this user visibility to this device group.
for (var i in user.links) {
if (i.startsWith('ugrp')) {
const g = obj.userGroups[i];
if (g && (g.links[meshid] != null)) { return true; } // If the user has a user group link, stop here.
}
}
return false;
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}
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// Return the user rights for a given node
obj.GetNodeRights = function (user, mesh, nodeid) {
if ((user == null) || (mesh == null) || (nodeid == null)) { return 0; }
if (typeof user == 'string') { user = obj.users[user]; }
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if (user == null) { return 0; }
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var r = obj.GetMeshRights(user, mesh);
if (r == 0xFFFFFFFF) return r;
// Check direct device rights using device data
if ((user.links != null) && (user.links[nodeid] != null)) { r |= user.links[nodeid].rights; } // TODO: Deal with reverse permissions
if (r == 0xFFFFFFFF) return r;
// Check direct device rights thru a user group
for (var i in user.links) {
if (i.startsWith('ugrp')) {
const g = obj.userGroups[i];
if (g && (g.links[nodeid] != null)) { r |= g.links[nodeid].rights; }
}
}
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return r;
}
// Returns a list of displatch targets for a given mesh
// We have to target the meshid and all user groups for this mesh, plus any added targets
obj.CreateMeshDispatchTargets = function (mesh, addedTargets) {
var targets = (addedTargets != null) ? addedTargets : [];
if (targets.indexOf('*') == -1) { targets.push('*'); }
if (typeof mesh == 'string') { mesh = obj.meshes[mesh]; }
if (mesh != null) { targets.push(mesh._id); for (var i in mesh.links) { if (i.startsWith('ugrp/')) { targets.push(i); } } }
return targets;
}
// Returns a list of displatch targets for a given mesh
// We have to target the meshid and all user groups for this mesh, plus any added targets
obj.CreateNodeDispatchTargets = function (mesh, nodeid, addedTargets) {
var targets = (addedTargets != null) ? addedTargets : [];
targets.push(nodeid);
if (targets.indexOf('*') == -1) { targets.push('*'); }
if (typeof mesh == 'string') { mesh = obj.meshes[mesh]; }
if (mesh != null) { targets.push(mesh._id); for (var i in mesh.links) { if (i.startsWith('ugrp/')) { targets.push(i); } } }
for (var i in obj.userGroups) { const g = obj.userGroups[i]; if ((g != null) && (g.links != null) && (g.links[nodeid] != null)) { targets.push(i); } }
return targets;
}
// Clone a safe version of a user object, remove everything that is secret.
obj.CloneSafeUser = function (user) {
if (typeof user != 'object') { return user; }
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var user2 = Object.assign({}, user); // Shallow clone
delete user2.hash;
delete user2.passhint;
delete user2.salt;
delete user2.type;
delete user2.domain;
delete user2.subscriptions;
delete user2.passtype;
delete user2.otpsms;
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if ((typeof user2.otpekey == 'object') && (user2.otpekey != null)) { user2.otpekey = 1; } // Indicates that email 2FA is enabled.
if ((typeof user2.otpsecret == 'string') && (user2.otpsecret != null)) { user2.otpsecret = 1; } // Indicates a time secret is present.
if ((typeof user2.otpkeys == 'object') && (user2.otpkeys != null)) { user2.otpkeys = 0; if (user.otpkeys != null) { for (var i = 0; i < user.otpkeys.keys.length; i++) { if (user.otpkeys.keys[i].u == true) { user2.otpkeys = 1; } } } } // Indicates the number of one time backup codes that are active.
if ((typeof user2.otphkeys == 'object') && (user2.otphkeys != null)) { user2.otphkeys = user2.otphkeys.length; } // Indicates the number of hardware keys setup
return user2;
}
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// Clone a safe version of a node object, remove everything that is secret.
obj.CloneSafeNode = function (node) {
if (typeof node != 'object') { return node; }
var r = node;
if ((r.intelamt != null) && ((r.intelamt.pass != null) || (r.intelamt.mpspass != null))) {
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r = Object.assign({}, r); // Shallow clone
r.intelamt = Object.assign({}, r.intelamt); // Shallow clone
if (r.intelamt.pass != null) { r.intelamt.pass = 1; }; // Remove the Intel AMT administrator password from the node
if (r.intelamt.mpspass != null) { r.intelamt.mpspass = 1; }; // Remove the Intel AMT MPS password from the node
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}
return r;
}
// Clone a safe version of a mesh object, remove everything that is secret.
obj.CloneSafeMesh = function (mesh) {
if (typeof mesh != 'object') { return mesh; }
var r = mesh;
if ((r.amt != null) && (r.amt.password != null)) {
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r = Object.assign({}, r); // Shallow clone
r.amt = Object.assign({}, r.amt); // Shallow clone
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if ((r.amt.password != null) && (r.amt.password != '')) { r.amt.password = 1; } // Remove the Intel AMT password from the policy
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}
return r;
}
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// Filter the user web site and only output state that we need to keep
const acceptableUserWebStateStrings = ['webPageStackMenu', 'notifications', 'deviceView', 'nightMode', 'webPageFullScreen', 'search', 'showRealNames', 'sort', 'deskAspectRatio', 'viewsize', 'DeskControl', 'uiMode', 'footerBar'];
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const acceptableUserWebStateDesktopStrings = ['encoding', 'showfocus', 'showmouse', 'showcad', 'limitFrameRate', 'noMouseRotate', 'quality', 'scaling']
obj.filterUserWebState = function (state) {
if (typeof state == 'string') { try { state = JSON.parse(state); } catch (ex) { return null; } }
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if ((state == null) || (typeof state != 'object')) { return null; }
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var out = {};
for (var i in acceptableUserWebStateStrings) {
var n = acceptableUserWebStateStrings[i];
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if ((state[n] != null) && ((typeof state[n] == 'number') || (typeof state[n] == 'boolean') || ((typeof state[n] == 'string') && (state[n].length < 64)))) { out[n] = state[n]; }
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}
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if ((typeof state.stars == 'string') && (state.stars.length < 2048)) { out.stars = state.stars; }
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if (typeof state.desktopsettings == 'string') { try { state.desktopsettings = JSON.parse(state.desktopsettings); } catch (ex) { delete state.desktopsettings; } }
if (state.desktopsettings != null) {
out.desktopsettings = {};
for (var i in acceptableUserWebStateDesktopStrings) {
var n = acceptableUserWebStateDesktopStrings[i];
if ((state.desktopsettings[n] != null) && ((typeof state.desktopsettings[n] == 'number') || (typeof state.desktopsettings[n] == 'boolean') || ((typeof state.desktopsettings[n] == 'string') && (state.desktopsettings[n].length < 32)))) { out.desktopsettings[n] = state.desktopsettings[n]; }
}
out.desktopsettings = JSON.stringify(out.desktopsettings);
}
return JSON.stringify(out);
}
// Return the correct render page given mobile, minify and override path.
function getRenderPage(pagename, req, domain) {
var mobile = isMobileBrowser(req), minify = (domain.minify == true), p;
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if (req.query.mobile == '1') { mobile = true; } else if (req.query.mobile == '0') { mobile = false; }
if (req.query.minify == '1') { minify = true; } else if (req.query.minify == '0') { minify = false; }
if (mobile) {
if ((domain != null) && (domain.webviewspath != null)) { // If the domain has a web views path, use that first
if (minify) {
p = obj.path.join(domain.webviewspath, pagename + '-mobile-min');
if (obj.fs.existsSync(p + '.handlebars')) { return p; } // Mobile + Minify + Override document
}
p = obj.path.join(domain.webviewspath, pagename + '-mobile');
if (obj.fs.existsSync(p + '.handlebars')) { return p; } // Mobile + Override document
}
if (obj.parent.webViewsOverridePath != null) {
if (minify) {
p = obj.path.join(obj.parent.webViewsOverridePath, pagename + '-mobile-min');
if (obj.fs.existsSync(p + '.handlebars')) { return p; } // Mobile + Minify + Override document
}
p = obj.path.join(obj.parent.webViewsOverridePath, pagename + '-mobile');
if (obj.fs.existsSync(p + '.handlebars')) { return p; } // Mobile + Override document
}
if (minify) {
p = obj.path.join(obj.parent.webViewsPath, pagename + '-mobile-min');
if (obj.fs.existsSync(p + '.handlebars')) { return p; } // Mobile + Minify document
}
p = obj.path.join(obj.parent.webViewsPath, pagename + '-mobile');
if (obj.fs.existsSync(p + '.handlebars')) { return p; } // Mobile document
}
if ((domain != null) && (domain.webviewspath != null)) { // If the domain has a web views path, use that first
if (minify) {
p = obj.path.join(domain.webviewspath, pagename + '-min');
if (obj.fs.existsSync(p + '.handlebars')) { return p; } // Minify + Override document
}
p = obj.path.join(domain.webviewspath, pagename);
if (obj.fs.existsSync(p + '.handlebars')) { return p; } // Override document
}
if (obj.parent.webViewsOverridePath != null) {
if (minify) {
p = obj.path.join(obj.parent.webViewsOverridePath, pagename + '-min');
if (obj.fs.existsSync(p + '.handlebars')) { return p; } // Minify + Override document
}
p = obj.path.join(obj.parent.webViewsOverridePath, pagename);
if (obj.fs.existsSync(p + '.handlebars')) { return p; } // Override document
}
if (minify) {
p = obj.path.join(obj.parent.webViewsPath, pagename + '-min');
if (obj.fs.existsSync(p + '.handlebars')) { return p; } // Minify document
}
p = obj.path.join(obj.parent.webViewsPath, pagename);
if (obj.fs.existsSync(p + '.handlebars')) { return p; } // Default document
return null;
}
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// Return the correct render page arguments.
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function getRenderArgs(xargs, req, domain, page) {
var minify = (domain.minify == true);
if (req.query.minify == '1') { minify = true; } else if (req.query.minify == '0') { minify = false; }
xargs.min = minify ? '-min' : '';
xargs.titlehtml = domain.titlehtml;
xargs.title = (domain.title != null) ? domain.title : 'MeshCentral';
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if (
((page == 'login2') && (domain.loginpicture == null) && (domain.titlehtml == null)) ||
((page != 'login2') && (domain.titlepicture == null) && (domain.titlehtml == null))
) {
if (domain.title == null) {
xargs.title1 = 'MeshCentral';
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xargs.title2 = '';
} else {
xargs.title1 = domain.title;
xargs.title2 = domain.title2 ? domain.title2 : '';
}
} else {
xargs.title1 = domain.title1 ? domain.title1 : '';
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xargs.title2 = (domain.title1 && domain.title2) ? domain.title2 : '';
}
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xargs.extitle = encodeURIComponent(xargs.title).split('\'').join('\\\'');
xargs.domainurl = domain.url;
if (typeof domain.hide == 'number') { xargs.hide = domain.hide; }
return xargs;
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}
// Route a command from a agent. domainid, nodeid and meshid are the values of the source agent.
obj.routeAgentCommand = function (command, domainid, nodeid, meshid) {
// Route a message.
// If this command has a sessionid, that is the target.
if (command.sessionid != null) {
if (typeof command.sessionid != 'string') return;
var splitsessionid = command.sessionid.split('/');
// Check that we are in the same domain and the user has rights over this node.
if ((splitsessionid.length == 4) && (splitsessionid[0] == 'user') && (splitsessionid[1] == domainid)) {
// Check if this user has rights to get this message
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if (obj.GetNodeRights(splitsessionid[0] + '/' + splitsessionid[1] + '/' + splitsessionid[2], meshid, nodeid) == 0) return; // TODO: Check if this is ok
// See if the session is connected. If so, go ahead and send this message to the target node
var ws = obj.wssessions2[command.sessionid];
if (ws != null) {
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command.nodeid = nodeid; // Set the nodeid, required for responses.
delete command.sessionid; // Remove the sessionid, since we are sending to that sessionid, so it's implyed.
try { ws.send(JSON.stringify(command)); } catch (ex) { }
} else if (parent.multiServer != null) {
// See if we can send this to a peer server
var serverid = obj.wsPeerSessions2[command.sessionid];
if (serverid != null) {
command.fromNodeid = nodeid;
parent.multiServer.DispatchMessageSingleServer(command, serverid);
}
}
}
} else if (command.userid != null) { // If this command has a userid, that is the target.
if (typeof command.userid != 'string') return;
var splituserid = command.userid.split('/');
// Check that we are in the same domain and the user has rights over this node.
if ((splituserid[0] == 'user') && (splituserid[1] == domainid)) {
// Check if this user has rights to get this message
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if (obj.GetNodeRights(command.userid, meshid, nodeid) == 0) return; // TODO: Check if this is ok
// See if the session is connected
var sessions = obj.wssessions[command.userid];
// Go ahead and send this message to the target node
if (sessions != null) {
command.nodeid = nodeid; // Set the nodeid, required for responses.
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delete command.userid; // Remove the userid, since we are sending to that userid, so it's implyed.
for (i in sessions) { sessions[i].send(JSON.stringify(command)); }
}
if (parent.multiServer != null) {
// TODO: Add multi-server support
}
}
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} else { // Route this command to all users with MESHRIGHT_AGENTCONSOLE rights to this device group
command.nodeid = nodeid;
var cmdstr = JSON.stringify(command);
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// Find all connected user sessions with access to this device
for (var userid in obj.wssessions) {
var xsessions = obj.wssessions[userid];
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if (obj.GetNodeRights(userid, meshid, nodeid) != 0) {
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// Send the message to all sessions for this user on this server
for (i in xsessions) { try { xsessions[i].send(cmdstr); } catch (e) { } }
}
}
// Send the message to all users of other servers
if (parent.multiServer != null) {
delete command.nodeid;
command.fromNodeid = nodeid;
command.meshid = meshid;
parent.multiServer.DispatchMessage(command);
}
}
}
// Returns a list of acceptable languages in order
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obj.getLanguageCodes = function (req) {
// If a user set a localization, use that
if ((req.query.lang == null) && (req.session != null) && (req.session.userid)) {
var user = obj.users[req.session.userid];
if ((user != null) && (user.lang != null)) { req.query.lang = user.lang; }
};
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// Get a list of acceptable languages in order
var acceptLanguages = [];
if (req.query.lang != null) {
acceptLanguages.push(req.query.lang.toLowerCase());
} else {
if (req.headers['accept-language'] != null) {
var acceptLanguageSplit = req.headers['accept-language'].split(';');
for (var i in acceptLanguageSplit) {
var acceptLanguageSplitEx = acceptLanguageSplit[i].split(',');
for (var j in acceptLanguageSplitEx) { if (acceptLanguageSplitEx[j].startsWith('q=') == false) { acceptLanguages.push(acceptLanguageSplitEx[j].toLowerCase()); } }
}
}
}
return acceptLanguages;
}
// Render a page using the proper language
function render(req, res, filename, args) {
if (obj.renderPages != null) {
// Get the list of acceptable languages in order
var acceptLanguages = obj.getLanguageCodes(req);
// Take a look at the options we have for this file
var fileOptions = obj.renderPages[obj.path.basename(filename)];
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if (fileOptions != null) {
for (var i in acceptLanguages) {
if ((acceptLanguages[i] == 'en') || (acceptLanguages[i].startsWith('en-'))) { args.lang = 'en'; break; } // English requested, break out.
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if (fileOptions[acceptLanguages[i]] != null) {
// Found a match. If the file no longer exists, default to English.
obj.fs.exists(fileOptions[acceptLanguages[i]] + '.handlebars', function (exists) {
if (exists) { args.lang = acceptLanguages[i]; res.render(fileOptions[acceptLanguages[i]], args); } else { args.lang = 'en'; res.render(filename, args); }
});
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return;
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}
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}
}
}
// No matches found, render the default english page.
res.render(filename, args);
}
// Get the list of pages with different languages that can be rendered
function getRenderList() {
// Fetch default rendeing pages
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var translateFolder = null;
if (obj.fs.existsSync('views/translations')) { translateFolder = 'views/translations'; }
if (obj.fs.existsSync(obj.path.join(__dirname, 'views', 'translations'))) { translateFolder = obj.path.join(__dirname, 'views', 'translations'); }
if (translateFolder != null) {
obj.renderPages = {};
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obj.renderLanguages = ['en'];
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var files = obj.fs.readdirSync(translateFolder);
for (var i in files) {
var name = files[i];
if (name.endsWith('.handlebars')) {
name = name.substring(0, name.length - 11);
var xname = name.split('_');
if (xname.length == 2) {
if (obj.renderPages[xname[0]] == null) { obj.renderPages[xname[0]] = {}; }
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obj.renderPages[xname[0]][xname[1]] = obj.path.join(translateFolder, name);
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if (obj.renderLanguages.indexOf(xname[1]) == -1) { obj.renderLanguages.push(xname[1]); }
}
}
}
// See if there are any custom rending pages that will override the default ones
if ((obj.parent.webViewsOverridePath != null) && (obj.fs.existsSync(obj.path.join(obj.parent.webViewsOverridePath, 'translations')))) {
translateFolder = obj.path.join(obj.parent.webViewsOverridePath, 'translations');
var files = obj.fs.readdirSync(translateFolder);
for (var i in files) {
var name = files[i];
if (name.endsWith('.handlebars')) {
name = name.substring(0, name.length - 11);
var xname = name.split('_');
if (xname.length == 2) {
if (obj.renderPages[xname[0]] == null) { obj.renderPages[xname[0]] = {}; }
obj.renderPages[xname[0]][xname[1]] = obj.path.join(translateFolder, name);
if (obj.renderLanguages.indexOf(xname[1]) == -1) { obj.renderLanguages.push(xname[1]); }
}
}
}
}
}
}
// Get the list of pages with different languages that can be rendered
function getEmailLanguageList() {
// Fetch default rendeing pages
var translateFolder = null;
if (obj.fs.existsSync('emails/translations')) { translateFolder = 'emails/translations'; }
if (obj.fs.existsSync(obj.path.join(__dirname, 'emails', 'translations'))) { translateFolder = obj.path.join(__dirname, 'emails', 'translations'); }
if (translateFolder != null) {
obj.emailLanguages = ['en'];
var files = obj.fs.readdirSync(translateFolder);
for (var i in files) {
var name = files[i];
if (name.endsWith('.html')) {
name = name.substring(0, name.length - 5);
var xname = name.split('_');
if (xname.length == 2) {
if (obj.emailLanguages.indexOf(xname[1]) == -1) { obj.emailLanguages.push(xname[1]); }
}
}
}
// See if there are any custom rending pages that will override the default ones
if ((obj.parent.webEmailsOverridePath != null) && (obj.fs.existsSync(obj.path.join(obj.parent.webEmailsOverridePath, 'translations')))) {
translateFolder = obj.path.join(obj.parent.webEmailsOverridePath, 'translations');
var files = obj.fs.readdirSync(translateFolder);
for (var i in files) {
var name = files[i];
if (name.endsWith('.html')) {
name = name.substring(0, name.length - 5);
var xname = name.split('_');
if (xname.length == 2) {
if (obj.emailLanguages.indexOf(xname[1]) == -1) { obj.emailLanguages.push(xname[1]); }
}
}
}
}
}
}
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// Return true if a mobile browser is detected.
// This code comes from "http://detectmobilebrowsers.com/" and was modified, This is free and unencumbered software released into the public domain. For more information, please refer to the http://unlicense.org/
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function isMobileBrowser(req) {
//var ua = req.headers['user-agent'].toLowerCase();
//return (/(android|bb\d+|meego).+mobile|mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(ua) || /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(ua.substr(0, 4)));
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if (typeof req.headers['user-agent'] != 'string') return false;
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return (req.headers['user-agent'].toLowerCase().indexOf('mobile') >= 0);
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}
// Return the query string portion of the URL, the ? and anything after.
function getQueryPortion(req) { var s = req.url.indexOf('?'); if (s == -1) { if (req.body && req.body.urlargs) { return req.body.urlargs; } return ''; } return req.url.substring(s); }
// Generate a random Intel AMT password
function checkAmtPassword(p) { return (p.length > 7) && (/\d/.test(p)) && (/[a-z]/.test(p)) && (/[A-Z]/.test(p)) && (/\W/.test(p)); }
function getRandomAmtPassword() { var p; do { p = Buffer.from(obj.crypto.randomBytes(9), 'binary').toString('base64').split('/').join('@'); } while (checkAmtPassword(p) == false); return p; }
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function getRandomPassword() { return Buffer.from(obj.crypto.randomBytes(9), 'binary').toString('base64').split('/').join('@'); }
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function getRandomLowerCase(len) { var r = '', random = obj.crypto.randomBytes(len); for (var i = 0; i < len; i++) { r += String.fromCharCode(97 + (random[i] % 26)); } return r; }
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// Generate a 8 digit integer with even random probability for each value.
function getRandomEightDigitInteger() { var bigInt; do { bigInt = parent.crypto.randomBytes(4).readUInt32BE(0); } while (bigInt >= 4200000000); return bigInt % 100000000; }
function getRandomSixDigitInteger() { var bigInt; do { bigInt = parent.crypto.randomBytes(4).readUInt32BE(0); } while (bigInt >= 4200000000); return bigInt % 1000000; }
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// Clean a IPv6 address that encodes a IPv4 address
function cleanRemoteAddr(addr) { if (typeof addr != 'string') { return null; } if (addr.indexOf('::ffff:') == 0) { return addr.substring(7); } else { return addr; } }
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// Set the content disposition header for a HTTP response.
// Because the filename can't have any special characters in it, we need to be extra careful.
function setContentDispositionHeader(res, type, name, size, altname) {
var name = require('path').basename(name).split('\\').join('').split('/').join('').split(':').join('').split('*').join('').split('?').join('').split('"').join('').split('<').join('').split('>').join('').split('|').join('').split(' ').join('').split('\'').join('');
try {
var x = { 'Cache-Control': 'no-store', 'Content-Type': type, 'Content-Disposition': 'attachment; filename="' + name + '"' };
if (typeof size == 'number') { x['Content-Length'] = size; }
res.set(x);
} catch (ex) {
var x = { 'Cache-Control': 'no-store', 'Content-Type': type, 'Content-Disposition': 'attachment; filename="' + altname + '"' };
if (typeof size == 'number') { x['Content-Length'] = size; }
res.set(x);
}
}
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// Record a new entry in a recording log
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function recordingEntry(fd, type, flags, data, func, tag) {
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try {
if (typeof data == 'string') {
// String write
var blockData = Buffer.from(data), header = Buffer.alloc(16); // Header: Type (2) + Flags (2) + Size(4) + Time(8)
header.writeInt16BE(type, 0); // Type (1 = Header, 2 = Network Data)
header.writeInt16BE(flags, 2); // Flags (1 = Binary, 2 = User)
header.writeInt32BE(blockData.length, 4); // Size
header.writeIntBE(new Date(), 10, 6); // Time
var block = Buffer.concat([header, blockData]);
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obj.fs.write(fd, block, 0, block.length, function () { func(fd, tag); });
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} else {
// Binary write
var header = Buffer.alloc(16); // Header: Type (2) + Flags (2) + Size(4) + Time(8)
header.writeInt16BE(type, 0); // Type (1 = Header, 2 = Network Data)
header.writeInt16BE(flags | 1, 2); // Flags (1 = Binary, 2 = User)
header.writeInt32BE(data.length, 4); // Size
header.writeIntBE(new Date(), 10, 6); // Time
var block = Buffer.concat([header, data]);
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obj.fs.write(fd, block, 0, block.length, function () { func(fd, tag); });
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}
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} catch (ex) { console.log(ex); func(fd, tag); }
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}
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// This is the invalid login throttling code
obj.badLoginTable = {};
obj.badLoginTableLastClean = 0;
if (parent.config.settings == null) { parent.config.settings = {}; }
if (parent.config.settings.maxinvalidlogin !== false) {
if (typeof parent.config.settings.maxinvalidlogin != 'object') { parent.config.settings.maxinvalidlogin = { time: 10, count: 10 }; }
if (typeof parent.config.settings.maxinvalidlogin.time != 'number') { parent.config.settings.maxinvalidlogin.time = 10; }
if (typeof parent.config.settings.maxinvalidlogin.count != 'number') { parent.config.settings.maxinvalidlogin.count = 10; }
if ((typeof parent.config.settings.maxinvalidlogin.coolofftime != 'number') || (parent.config.settings.maxinvalidlogin.coolofftime < 1)) { parent.config.settings.maxinvalidlogin.coolofftime = null; }
}
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obj.setbadLogin = function (ip) { // Set an IP address that just did a bad login request
if (parent.config.settings.maxinvalidlogin === false) return;
if (typeof ip == 'object') { ip = ip.clientIp; }
var splitip = ip.split('.');
if (splitip.length == 4) { ip = (splitip[0] + '.' + splitip[1] + '.' + splitip[2] + '.*'); }
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if (++obj.badLoginTableLastClean > 100) { obj.cleanBadLoginTable(); }
if (typeof obj.badLoginTable[ip] == 'number') { if (obj.badLoginTable[ip] < Date.now()) { delete obj.badLoginTable[ip]; } else { return; } } // Check cooloff period
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if (obj.badLoginTable[ip] == null) { obj.badLoginTable[ip] = [Date.now()]; } else { obj.badLoginTable[ip].push(Date.now()); }
if ((obj.badLoginTable[ip].length >= parent.config.settings.maxinvalidlogin.count) && (parent.config.settings.maxinvalidlogin.coolofftime != null)) {
obj.badLoginTable[ip] = Date.now() + (parent.config.settings.maxinvalidlogin.coolofftime * 60000); // Move to cooloff period
}
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}
obj.checkAllowLogin = function (ip) { // Check if an IP address is allowed to login
if (parent.config.settings.maxinvalidlogin === false) return true;
if (typeof ip == 'object') { ip = ip.clientIp; }
var splitip = ip.split('.');
if (splitip.length == 4) { ip = (splitip[0] + '.' + splitip[1] + '.' + splitip[2] + '.*'); } // If this is IPv4, keep only the 3 first
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var cutoffTime = Date.now() - (parent.config.settings.maxinvalidlogin.time * 60000); // Time in minutes
var ipTable = obj.badLoginTable[ip];
if (ipTable == null) return true;
if (typeof ipTable == 'number') { if (obj.badLoginTable[ip] < Date.now()) { delete obj.badLoginTable[ip]; } else { return false; } } // Check cooloff period
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while ((ipTable.length > 0) && (ipTable[0] < cutoffTime)) { ipTable.shift(); }
if (ipTable.length == 0) { delete obj.badLoginTable[ip]; return true; }
return (ipTable.length < parent.config.settings.maxinvalidlogin.count); // No more than x bad logins in x minutes
}
obj.cleanBadLoginTable = function () { // Clean up the IP address login blockage table, we do this occasionaly.
if (parent.config.settings.maxinvalidlogin === false) return;
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var cutoffTime = Date.now() - (parent.config.settings.maxinvalidlogin.time * 60000); // Time in minutes
for (var ip in obj.badLoginTable) {
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var ipTable = obj.badLoginTable[ip];
if (typeof ipTable == 'number') {
if (obj.badLoginTable[ip] < Date.now()) { delete obj.badLoginTable[ip]; } // Check cooloff period
} else {
while ((ipTable.length > 0) && (ipTable[0] < cutoffTime)) { ipTable.shift(); }
if (ipTable.length == 0) { delete obj.badLoginTable[ip]; }
}
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}
obj.badLoginTableLastClean = 0;
}
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return obj;
};