mirror of
https://github.com/Ylianst/MeshCentral.git
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479 lines
28 KiB
JavaScript
479 lines
28 KiB
JavaScript
/**
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* @description Certificate generator
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* @author Joko Sastriawan / Ylian Saint-Hilaire
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* @copyright Intel Corporation 2018
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* @license Apache-2.0
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* @version v0.0.1
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*/
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/*xjslint node: true */
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/*xjslint plusplus: true */
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/*xjslint maxlen: 256 */
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/*jshint node: true */
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/*jshint strict: false */
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/*jshint esversion: 6 */
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"use strict";
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module.exports.CertificateOperations = function () {
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var obj = {};
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obj.fs = require("fs");
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obj.forge = require("node-forge");
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obj.crypto = require("crypto");
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obj.pki = obj.forge.pki;
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obj.dirExists = function (filePath) { try { return obj.fs.statSync(filePath).isDirectory(); } catch (err) { return false; } };
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obj.getFilesizeInBytes = function (filename) { try { return obj.fs.statSync(filename).size; } catch (err) { return -1; } };
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obj.fileExists = function (filePath) { try { return obj.fs.statSync(filePath).isFile(); } catch (err) { return false; } };
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// Return the SHA386 hash of the certificate public key
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obj.getPublicKeyHash = function (cert) {
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var publickey = obj.pki.certificateFromPem(cert).publicKey;
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return obj.pki.getPublicKeyFingerprint(publickey, { encoding: "hex", md: obj.forge.md.sha384.create() });
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};
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// Create a self-signed certificate
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obj.GenerateRootCertificate = function (addThumbPrintToName, commonName, country, organization, strong) {
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var keys = obj.pki.rsa.generateKeyPair((strong === true) ? 3072 : 2048);
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var cert = obj.pki.createCertificate();
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cert.publicKey = keys.publicKey;
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cert.serialNumber = String(Math.floor((Math.random() * 100000) + 1));
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cert.validity.notBefore = new Date();
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cert.validity.notBefore.setFullYear(cert.validity.notBefore.getFullYear() - 1); // Create a certificate that is valid one year before, to make sure out-of-sync clocks don"t reject this cert.
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cert.validity.notAfter = new Date();
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cert.validity.notAfter.setFullYear(cert.validity.notAfter.getFullYear() + 30);
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if (addThumbPrintToName === true) { commonName += "-" + obj.pki.getPublicKeyFingerprint(cert.publicKey, { encoding: "hex" }).substring(0, 6); }
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if (country === undefined) { country = "unknown"; }
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if (organization === undefined) { organization = "unknown"; }
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var attrs = [{ name: "commonName", value: commonName }, { name: "organizationName", value: organization }, { name: "countryName", value: country }];
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cert.setSubject(attrs);
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cert.setIssuer(attrs);
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// Create a root certificate
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cert.setExtensions([{ name: "basicConstraints", cA: true }, { name: "nsCertType", sslCA: true, emailCA: true, objCA: true }, { name: "subjectKeyIdentifier" }]);
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cert.sign(keys.privateKey, obj.forge.md.sha384.create());
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return { cert: cert, key: keys.privateKey };
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};
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// Issue a certificate from a root
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obj.IssueWebServerCertificate = function (rootcert, addThumbPrintToName, commonName, country, organization, extKeyUsage, strong) {
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var keys = obj.pki.rsa.generateKeyPair((strong === true) ? 3072 : 2048);
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var cert = obj.pki.createCertificate();
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cert.publicKey = keys.publicKey;
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cert.serialNumber = String(Math.floor((Math.random() * 100000) + 1));
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cert.validity.notBefore = new Date();
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cert.validity.notBefore.setFullYear(cert.validity.notAfter.getFullYear() - 1); // Create a certificate that is valid one year before, to make sure out-of-sync clocks don"t reject this cert.
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cert.validity.notAfter = new Date();
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cert.validity.notAfter.setFullYear(cert.validity.notAfter.getFullYear() + 30);
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if (addThumbPrintToName === true) { commonName += "-" + obj.pki.getPublicKeyFingerprint(cert.publicKey, { encoding: "hex" }).substring(0, 6); }
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var attrs = [{ name: "commonName", value: commonName }];
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if (country != undefined) { attrs.push({ name: "countryName", value: country }); }
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if (organization != undefined) { attrs.push({ name: "organizationName", value: organization }); }
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cert.setSubject(attrs);
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cert.setIssuer(rootcert.cert.subject.attributes);
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if (extKeyUsage == null) { extKeyUsage = { name: "extKeyUsage", serverAuth: true }; } else { extKeyUsage.name = "extKeyUsage"; }
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var subjectAltName = null;
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if (extKeyUsage.serverAuth === true) { subjectAltName = { name: "subjectAltName", altNames: [{ type: 6, value: "http://" + commonName + "/" }, { type: 6, value: "http://localhost/" }] }; }
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var extensions = [{ name: "basicConstraints", cA: false }, { name: "keyUsage", keyCertSign: true, digitalSignature: true, nonRepudiation: true, keyEncipherment: true, dataEncipherment: true }, extKeyUsage, { name: "nsCertType", client: false, server: true, email: false, objsign: false, sslCA: false, emailCA: false, objCA: false }, { name: "subjectKeyIdentifier" }];
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if (subjectAltName != null) { extensions.push(subjectAltName); }
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cert.setExtensions(extensions);
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cert.sign(rootcert.key, obj.forge.md.sha384.create());
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return { cert: cert, key: keys.privateKey };
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};
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// Returns the web server TLS certificate and private key, if not present, create demonstration ones.
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obj.GetMeshServerCertificate = function (parent, args, config, func) {
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var i = 0;
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var certargs = args.cert;
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var mpscertargs = args.mpscert;
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var strongCertificate = (args.fastcert ? false : true);
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var rcountmax = 5;
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var caindex = 1;
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var caok = false;
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var calist = [];
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var dnsname = null;
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// commonName, country, organization
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// If the certificates directory does not exist, create it.
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if (!obj.dirExists(parent.datapath)) { obj.fs.mkdirSync(parent.datapath); }
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var r = {};
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var rcount = 0;
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// If the root certificate already exist, load it
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if (obj.fileExists(parent.getConfigFilePath("root-cert-public.crt")) && obj.fileExists(parent.getConfigFilePath("root-cert-private.key"))) {
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var rootCertificate = obj.fs.readFileSync(parent.getConfigFilePath("root-cert-public.crt"), "utf8");
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var rootPrivateKey = obj.fs.readFileSync(parent.getConfigFilePath("root-cert-private.key"), "utf8");
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r.root = { cert: rootCertificate, key: rootPrivateKey };
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rcount++;
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}
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if (args.tlsoffload === true) {
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// If the web certificate already exist, load it. Load just the certificate since we are in TLS offload situation
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if (obj.fileExists(parent.getConfigFilePath("webserver-cert-public.crt"))) {
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r.web = { cert: obj.fs.readFileSync(parent.getConfigFilePath("webserver-cert-public.crt"), "utf8") };
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rcount++;
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}
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} else {
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// If the web certificate already exist, load it. Load both certificate and private key
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if (obj.fileExists(parent.getConfigFilePath("webserver-cert-public.crt")) && obj.fileExists(parent.getConfigFilePath("webserver-cert-private.key"))) {
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r.web = { cert: obj.fs.readFileSync(parent.getConfigFilePath("webserver-cert-public.crt"), "utf8"), key: obj.fs.readFileSync(parent.getConfigFilePath("webserver-cert-private.key"), "utf8") };
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rcount++;
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}
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}
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// If the mps certificate already exist, load it
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if (obj.fileExists(parent.getConfigFilePath("mpsserver-cert-public.crt")) && obj.fileExists(parent.getConfigFilePath("mpsserver-cert-private.key"))) {
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r.mps = { cert: obj.fs.readFileSync(parent.getConfigFilePath("mpsserver-cert-public.crt"), "utf8"), key: obj.fs.readFileSync(parent.getConfigFilePath("mpsserver-cert-private.key"), "utf8") };
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rcount++;
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}
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// If the agent certificate already exist, load it
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if (obj.fileExists(parent.getConfigFilePath("agentserver-cert-public.crt")) && obj.fileExists(parent.getConfigFilePath("agentserver-cert-private.key"))) {
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r.agent = { cert: obj.fs.readFileSync(parent.getConfigFilePath("agentserver-cert-public.crt"), "utf8"), key: obj.fs.readFileSync(parent.getConfigFilePath("agentserver-cert-private.key"), "utf8") };
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rcount++;
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}
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// If the console certificate already exist, load it
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if (obj.fileExists(parent.getConfigFilePath("amtconsole-cert-public.crt")) && obj.fileExists(parent.getConfigFilePath("agentserver-cert-private.key"))) {
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r.console = { cert: obj.fs.readFileSync(parent.getConfigFilePath("amtconsole-cert-public.crt"), "utf8"), key: obj.fs.readFileSync(parent.getConfigFilePath("amtconsole-cert-private.key"), "utf8") };
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rcount++;
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}
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// If the swarm server certificate exist, load it (This is an optional certificate)
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if (obj.fileExists(parent.getConfigFilePath("swarmserver-cert-public.crt")) && obj.fileExists(parent.getConfigFilePath("swarmserver-cert-private.key"))) {
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r.swarmserver = { cert: obj.fs.readFileSync(parent.getConfigFilePath("swarmserver-cert-public.crt"), "utf8"), key: obj.fs.readFileSync(parent.getConfigFilePath("swarmserver-cert-private.key"), "utf8") };
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}
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// If the swarm server root certificate exist, load it (This is an optional certificate)
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if (obj.fileExists(parent.getConfigFilePath("swarmserverroot-cert-public.crt"))) {
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r.swarmserverroot = { cert: obj.fs.readFileSync(parent.getConfigFilePath("swarmserverroot-cert-public.crt"), "utf8") };
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}
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// If CA certificates are present, load them
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do {
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caok = false;
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if (obj.fileExists(parent.getConfigFilePath("webserver-cert-chain" + caindex + ".crt"))) {
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calist.push(obj.fs.readFileSync(parent.getConfigFilePath("webserver-cert-chain" + caindex + ".crt"), "utf8"));
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caok = true;
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}
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caindex++;
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} while (caok === true);
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if (r.web != null) { r.web.ca = calist; }
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// Decode certificate arguments
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var commonName = "un-configured";
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var country = null;
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var organization = null;
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var forceWebCertGen = 0;
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var forceMpsCertGen = 0;
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if (certargs != undefined) {
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var xargs = certargs.split(",");
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if (xargs.length > 0) { commonName = xargs[0]; }
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if (xargs.length > 1) { country = xargs[1]; }
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if (xargs.length > 2) { organization = xargs[2]; }
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}
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// Decode MPS certificate arguments, this is for the Intel AMT CIRA server
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var mpsCommonName = commonName;
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var mpsCountry = country;
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var mpsOrganization = organization;
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if (mpscertargs !== undefined) {
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var xxargs = mpscertargs.split(",");
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if (xxargs.length > 0) { mpsCommonName = xxargs[0]; }
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if (xxargs.length > 1) { mpsCountry = xxargs[1]; }
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if (xxargs.length > 2) { mpsOrganization = xxargs[2]; }
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}
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// Look for domains that have DNS names and load their certificates
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r.dns = {};
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for (i = 0; i < config.domains.length; i++) {
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if ((i != "") && (config.domains[i] != null) && (config.domains[i].dns != null)) {
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dnsname = config.domains[i].dns;
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if (args.tlsoffload === true) {
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// If the web certificate already exist, load it. Load just the certificate since we are in TLS offload situation
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if (obj.fileExists(parent.getConfigFilePath("webserver-" + i + "-cert-public.crt"))) {
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r.dns[i] = { cert: obj.fs.readFileSync(parent.getConfigFilePath("webserver-" + i + "-cert-public.crt"), "utf8") };
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config.domains[i].certs = r.dns[i];
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} else {
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console.log("WARNING: File \"webserver-" + i + "-cert-public.crt\" missing, domain \"" + i + "\" will not work correctly.");
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}
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} else {
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// If the web certificate already exist, load it. Load both certificate and private key
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if (obj.fileExists(parent.getConfigFilePath("webserver-" + i + "-cert-public.crt")) && obj.fileExists(parent.getConfigFilePath("webserver-" + i + "-cert-private.key"))) {
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r.dns[i] = { cert: obj.fs.readFileSync(parent.getConfigFilePath("webserver-" + i + "-cert-public.crt"), "utf8"), key: obj.fs.readFileSync(parent.getConfigFilePath("webserver-" + i + "-cert-private.key"), "utf8") };
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config.domains[i].certs = r.dns[i];
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// If CA certificates are present, load them
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caindex = 1;
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r.dns[i].ca = [];
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do {
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caok = false;
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if (obj.fileExists(parent.getConfigFilePath("webserver-" + i + "-cert-chain" + caindex + ".crt"))) {
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r.dns[i].ca.push(obj.fs.readFileSync(parent.getConfigFilePath("webserver-" + i + "-cert-chain" + caindex + ".crt"), "utf8"));
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caok = true;
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}
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caindex++;
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} while (caok === true);
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} else {
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rcountmax++; // This certificate must be generated
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}
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}
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}
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}
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if (rcount === rcountmax) {
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// Fetch the Intel AMT console name
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r.AmtConsoleName = obj.pki.certificateFromPem(r.console.cert).subject.getField("CN").value;
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// Fetch the Intel AMT MPS common name
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r.AmtMpsName = obj.pki.certificateFromPem(r.mps.cert).subject.getField("CN").value;
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// Fetch the name of the server
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var webCertificate = obj.pki.certificateFromPem(r.web.cert);
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r.WebIssuer = webCertificate.issuer.getField("CN").value;
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r.CommonName = webCertificate.subject.getField("CN").value;
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r.CommonNames = [r.CommonName.toLowerCase()];
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var altNames = webCertificate.getExtension("subjectAltName");
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if (altNames) { for (i = 0; i < altNames.altNames.length; i++) { r.CommonNames.push(altNames.altNames[i].value.toLowerCase()); } }
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var rootCertificate = obj.pki.certificateFromPem(r.root.cert);
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r.RootName = rootCertificate.subject.getField("CN").value;
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if ((certargs == null) && (mpscertargs == null)) { if (func != undefined) { func(r); } return r; } // If no certificate arguments are given, keep the certificate
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var xcountry, xcountryField = webCertificate.subject.getField("C");
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if (xcountryField != null) { xcountry = xcountryField.value; }
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var xorganization, xorganizationField = webCertificate.subject.getField("O");
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if (xorganizationField != null) { xorganization = xorganizationField.value; }
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if (certargs == null) { commonName = r.CommonName; country = xcountry; organization = xorganization; }
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// Check if we have correct certificates
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if ((r.CommonNames.indexOf(commonName.toLowerCase()) >= 0) && (r.AmtMpsName == mpsCommonName)) {
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// Certificate matches what we want, keep it.
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if (func !== undefined) { func(r); }
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return r;
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} else {
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// Check what certificates we really need to re-generate.
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if ((r.CommonNames.indexOf(commonName.toLowerCase()) < 0)) { forceWebCertGen = 1; }
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if (r.AmtMpsName != mpsCommonName) { forceMpsCertGen = 1; }
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}
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}
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console.log("Generating certificates, may take a few minutes...");
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parent.updateServerState("state", "generatingcertificates");
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// If a certificate is missing, but web certificate is present and --cert is not used, set the names to be the same as the web certificate
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if ((certargs == null) && (r.web != null)) {
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var webCertificate = obj.pki.certificateFromPem(r.web.cert);
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commonName = webCertificate.subject.getField("CN").value;
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var xcountryField = webCertificate.subject.getField("C");
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if (xcountryField != null) { country = xcountryField.value; }
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var xorganizationField = webCertificate.subject.getField("O");
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if (xorganizationField != null) { organization = xorganizationField.value; }
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}
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var rootCertAndKey, rootCertificate, rootPrivateKey, rootName;
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if (r.root === undefined) {
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// If the root certificate does not exist, create one
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console.log("Generating root certificate...");
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rootCertAndKey = obj.GenerateRootCertificate(true, "MeshCentralRoot", null, null, strongCertificate);
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rootCertificate = obj.pki.certificateToPem(rootCertAndKey.cert);
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rootPrivateKey = obj.pki.privateKeyToPem(rootCertAndKey.key);
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obj.fs.writeFileSync(parent.getConfigFilePath("root-cert-public.crt"), rootCertificate);
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obj.fs.writeFileSync(parent.getConfigFilePath("root-cert-private.key"), rootPrivateKey);
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} else {
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// Keep the root certificate we have
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rootCertAndKey = { cert: obj.pki.certificateFromPem(r.root.cert), key: obj.pki.privateKeyFromPem(r.root.key) };
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rootCertificate = r.root.cert;
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rootPrivateKey = r.root.key;
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}
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var rootName = rootCertAndKey.cert.subject.getField("CN").value;
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// If the web certificate does not exist, create one
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var webCertAndKey, webCertificate, webPrivateKey;
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if ((r.web == null) || (forceWebCertGen == 1)) {
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console.log("Generating HTTPS certificate...");
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webCertAndKey = obj.IssueWebServerCertificate(rootCertAndKey, false, commonName, country, organization, null, strongCertificate);
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webCertificate = obj.pki.certificateToPem(webCertAndKey.cert);
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webPrivateKey = obj.pki.privateKeyToPem(webCertAndKey.key);
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obj.fs.writeFileSync(parent.getConfigFilePath("webserver-cert-public.crt"), webCertificate);
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obj.fs.writeFileSync(parent.getConfigFilePath("webserver-cert-private.key"), webPrivateKey);
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} else {
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// Keep the console certificate we have
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webCertAndKey = { cert: obj.pki.certificateFromPem(r.web.cert), key: obj.pki.privateKeyFromPem(r.web.key) };
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webCertificate = r.web.cert;
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webPrivateKey = r.web.key;
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}
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var webIssuer = webCertAndKey.cert.issuer.getField("CN").value;
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// If the mesh agent server certificate does not exist, create one
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var agentCertAndKey, agentCertificate, agentPrivateKey;
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if (r.agent == null) {
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console.log("Generating MeshAgent certificate...");
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agentCertAndKey = obj.IssueWebServerCertificate(rootCertAndKey, true, "MeshCentralAgentServer", null, strongCertificate);
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agentCertificate = obj.pki.certificateToPem(agentCertAndKey.cert);
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agentPrivateKey = obj.pki.privateKeyToPem(agentCertAndKey.key);
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obj.fs.writeFileSync(parent.getConfigFilePath("agentserver-cert-public.crt"), agentCertificate);
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obj.fs.writeFileSync(parent.getConfigFilePath("agentserver-cert-private.key"), agentPrivateKey);
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} else {
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// Keep the mesh agent server certificate we have
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agentCertAndKey = { cert: obj.pki.certificateFromPem(r.agent.cert), key: obj.pki.privateKeyFromPem(r.agent.key) };
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agentCertificate = r.agent.cert;
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agentPrivateKey = r.agent.key;
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}
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// If the Intel AMT MPS certificate does not exist, create one
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var mpsCertAndKey, mpsCertificate, mpsPrivateKey;
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if ((r.mps == null) || (forceMpsCertGen == 1)) {
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console.log("Generating Intel AMT MPS certificate...");
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mpsCertAndKey = obj.IssueWebServerCertificate(rootCertAndKey, false, mpsCommonName, mpsCountry, mpsOrganization, null, false);
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mpsCertificate = obj.pki.certificateToPem(mpsCertAndKey.cert);
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mpsPrivateKey = obj.pki.privateKeyToPem(mpsCertAndKey.key);
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obj.fs.writeFileSync(parent.getConfigFilePath("mpsserver-cert-public.crt"), mpsCertificate);
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obj.fs.writeFileSync(parent.getConfigFilePath("mpsserver-cert-private.key"), mpsPrivateKey);
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} else {
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// Keep the console certificate we have
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mpsCertAndKey = { cert: obj.pki.certificateFromPem(r.mps.cert), key: obj.pki.privateKeyFromPem(r.mps.key) };
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mpsCertificate = r.mps.cert;
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mpsPrivateKey = r.mps.key;
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}
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// If the Intel AMT console certificate does not exist, create one
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var consoleCertAndKey, consoleCertificate, consolePrivateKey, amtConsoleName = "MeshCentral";
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if (r.console == null) {
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console.log("Generating Intel AMT console certificate...");
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consoleCertAndKey = obj.IssueWebServerCertificate(rootCertAndKey, false, amtConsoleName, country, organization, { name: "extKeyUsage", clientAuth: true, "2.16.840.1.113741.1.2.1": true, "2.16.840.1.113741.1.2.2": true, "2.16.840.1.113741.1.2.3": true }, false); // Intel AMT Remote, Agent and Activation usages
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consoleCertificate = obj.pki.certificateToPem(consoleCertAndKey.cert);
|
|
consolePrivateKey = obj.pki.privateKeyToPem(consoleCertAndKey.key);
|
|
obj.fs.writeFileSync(parent.getConfigFilePath("amtconsole-cert-public.crt"), consoleCertificate);
|
|
obj.fs.writeFileSync(parent.getConfigFilePath("amtconsole-cert-private.key"), consolePrivateKey);
|
|
} else {
|
|
// Keep the console certificate we have
|
|
consoleCertAndKey = { cert: obj.pki.certificateFromPem(r.console.cert), key: obj.pki.privateKeyFromPem(r.console.key) };
|
|
consoleCertificate = r.console.cert;
|
|
consolePrivateKey = r.console.key;
|
|
amtConsoleName = consoleCertAndKey.cert.subject.getField("CN").value;
|
|
}
|
|
|
|
r = { root: { cert: rootCertificate, key: rootPrivateKey }, web: { cert: webCertificate, key: webPrivateKey, ca: [] }, mps: { cert: mpsCertificate, key: mpsPrivateKey }, agent: { cert: agentCertificate, key: agentPrivateKey }, console: { cert: consoleCertificate, key: consolePrivateKey }, ca: calist, CommonName: commonName, RootName: rootName, AmtConsoleName: amtConsoleName, AmtMpsName: mpsCommonName, dns: {}, WebIssuer: webIssuer };
|
|
|
|
// Look for domains with DNS names that have no certificates and generated them.
|
|
for (i = 0; i < config.domains.length; i++) {
|
|
if ((i != "") && (config.domains[i] != null) && (config.domains[i].dns != null)) {
|
|
dnsname = config.domains[i].dns;
|
|
if (args.tlsoffload != true) {
|
|
// If the web certificate does not exist, create it
|
|
if ((obj.fileExists(parent.getConfigFilePath("webserver-" + i + "-cert-public.crt")) === false) || (obj.fileExists(parent.getConfigFilePath("webserver-" + i + "-cert-private.key")) === false)) {
|
|
console.log("Generating HTTPS certificate for " + i + "...");
|
|
var xwebCertAndKey = obj.IssueWebServerCertificate(rootCertAndKey, false, dnsname, country, organization, null, strongCertificate);
|
|
var xwebCertificate = obj.pki.certificateToPem(xwebCertAndKey.cert);
|
|
var xwebPrivateKey = obj.pki.privateKeyToPem(xwebCertAndKey.key);
|
|
obj.fs.writeFileSync(parent.getConfigFilePath("webserver-" + i + "-cert-public.crt"), xwebCertificate);
|
|
obj.fs.writeFileSync(parent.getConfigFilePath("webserver-" + i + "-cert-private.key"), xwebPrivateKey);
|
|
r.dns[i] = { cert: xwebCertificate, key: xwebPrivateKey };
|
|
config.domains[i].certs = r.dns[i];
|
|
|
|
// If CA certificates are present, load them
|
|
caindex = 1;
|
|
r.dns[i].ca = [];
|
|
do {
|
|
caok = false;
|
|
if (obj.fileExists(parent.getConfigFilePath("webserver-" + i + "-cert-chain" + caindex + ".crt"))) {
|
|
r.dns[i].ca.push(obj.fs.readFileSync(parent.getConfigFilePath("webserver-" + i + "-cert-chain" + caindex + ".crt"), "utf8"));
|
|
caok = true;
|
|
}
|
|
caindex++;
|
|
} while (caok === true);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// If the swarm server certificate exist, load it (This is an optional certificate)
|
|
if (obj.fileExists(parent.getConfigFilePath("swarmserver-cert-public.crt")) && obj.fileExists(parent.getConfigFilePath("swarmserver-cert-private.key"))) {
|
|
r.swarmserver = { cert: obj.fs.readFileSync(parent.getConfigFilePath("swarmserver-cert-public.crt"), "utf8"), key: obj.fs.readFileSync(parent.getConfigFilePath("swarmserver-cert-private.key"), "utf8") };
|
|
}
|
|
|
|
// If the swarm server root certificate exist, load it (This is an optional certificate)
|
|
if (obj.fileExists(parent.getConfigFilePath("swarmserverroot-cert-public.crt"))) {
|
|
r.swarmserverroot = { cert: obj.fs.readFileSync(parent.getConfigFilePath("swarmserverroot-cert-public.crt"), "utf8") };
|
|
}
|
|
|
|
// If CA certificates are present, load them
|
|
if (r.web != null) {
|
|
caindex = 1;
|
|
r.web.ca = [];
|
|
do {
|
|
caok = false;
|
|
if (obj.fileExists(parent.getConfigFilePath("webserver-cert-chain" + caindex + ".crt"))) {
|
|
r.web.ca.push(obj.fs.readFileSync(parent.getConfigFilePath("webserver-cert-chain" + caindex + ".crt"), "utf8"));
|
|
caok = true;
|
|
}
|
|
caindex++;
|
|
} while (caok === true);
|
|
}
|
|
|
|
if (func != undefined) { func(r); }
|
|
return r;
|
|
};
|
|
|
|
// Accelerators, used to dispatch work to other processes
|
|
const fork = require("child_process").fork;
|
|
const program = require("path").join(__dirname, "meshaccelerator.js");
|
|
const acceleratorTotalCount = require("os").cpus().length;
|
|
var acceleratorCreateCount = acceleratorTotalCount;
|
|
var freeAccelerators = [];
|
|
var pendingAccelerator = [];
|
|
obj.acceleratorCertStore = null;
|
|
|
|
// Create a new accelerator module
|
|
obj.getAccelerator = function () {
|
|
if (obj.acceleratorCertStore == null) { return null; }
|
|
if (freeAccelerators.length > 0) { return freeAccelerators.pop(); }
|
|
if (acceleratorCreateCount > 0) {
|
|
acceleratorCreateCount--;
|
|
var accelerator = fork(program, [], { stdio: ["pipe", "pipe", "pipe", "ipc"] });
|
|
accelerator.accid = acceleratorCreateCount;
|
|
accelerator.on("message", function (message) {
|
|
this.func(this.tag, message);
|
|
delete this.tag;
|
|
if (pendingAccelerator.length > 0) {
|
|
var x = pendingAccelerator.shift();
|
|
if (x.tag) { this.tag = x.tag; delete x.tag; }
|
|
accelerator.send(x);
|
|
} else { freeAccelerators.push(this); }
|
|
});
|
|
accelerator.send({ action: "setState", certs: obj.acceleratorCertStore });
|
|
return accelerator;
|
|
|
|
}
|
|
return null;
|
|
};
|
|
|
|
// Set the state of the accelerators. This way, we don"t have to send certificate & keys to them each time.
|
|
obj.acceleratorStart = function (certificates) {
|
|
if (obj.acceleratorCertStore != null) { console.error("ERROR: Accelerators can only be started once."); return; }
|
|
obj.acceleratorCertStore = [{ cert: certificates.agent.cert, key: certificates.agent.key }];
|
|
if (certificates.swarmserver != null) { obj.acceleratorCertStore.push({ cert: certificates.swarmserver.cert, key: certificates.swarmserver.key }); }
|
|
};
|
|
|
|
// Perform any RSA signature, just pass in the private key and data.
|
|
obj.acceleratorPerformSignature = function (privatekey, data, tag, func) {
|
|
if (acceleratorTotalCount <= 1) {
|
|
// No accelerators available
|
|
if (typeof privatekey == "number") { privatekey = obj.acceleratorCertStore[privatekey].key; }
|
|
const sign = obj.crypto.createSign("SHA384");
|
|
sign.end(new Buffer(data, "binary"));
|
|
func(tag, sign.sign(privatekey).toString("binary"));
|
|
} else {
|
|
var acc = obj.getAccelerator();
|
|
if (acc == null) {
|
|
// Add to pending accelerator workload
|
|
pendingAccelerator.push({ action: "sign", key: privatekey, data: data, tag: tag });
|
|
} else {
|
|
// Send to accelerator now
|
|
acc.func = func;
|
|
acc.tag = tag;
|
|
acc.send({ action: "sign", key: privatekey, data: data });
|
|
}
|
|
}
|
|
};
|
|
|
|
return obj;
|
|
};
|