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Started work on IP-KVM relay code.

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This commit is contained in:
Ylian Saint-Hilaire 2021-12-05 20:56:57 -08:00
parent 448aeec6e7
commit 61e38cbe36
2 changed files with 65 additions and 12 deletions
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24
meshipkvm.js
View File

@ -8,7 +8,7 @@
function CreateIPKVMManager(parent) {
const obj = {};
const managedGroups = {} // meshid --> Manager
obj.managedGroups = {} // meshid --> Manager
obj.managedPorts = {} // nodeid --> PortInfo
// Subscribe for mesh creation events
@ -31,14 +31,14 @@ function CreateIPKVMManager(parent) {
// Start managing a IP KVM device
function startManagement(mesh) {
if ((mesh == null) || (mesh.mtype != 4) || (mesh.kvm == null) || (mesh.deleted != null) || (managedGroups[mesh._id] != null)) return;
if ((mesh == null) || (mesh.mtype != 4) || (mesh.kvm == null) || (mesh.deleted != null) || (obj.managedGroups[mesh._id] != null)) return;
var port = 443, hostSplit = mesh.kvm.host.split(':'), host = hostSplit[0];
if (hostSplit.length == 2) { port = parseInt(hostSplit[1]); }
if (mesh.kvm.model == 1) { // Raritan KX III
const manager = CreateRaritanKX3Manager(host, port, mesh.kvm.user, mesh.kvm.pass);
manager.meshid = mesh._id;
manager.domainid = mesh._id.split('/')[1];
managedGroups[mesh._id] = manager;
obj.managedGroups[mesh._id] = manager;
manager.onStateChanged = onStateChanged;
manager.onPortsChanged = onPortsChanged;
manager.start();
@ -47,7 +47,7 @@ function CreateIPKVMManager(parent) {
// Stop managing a IP KVM device
function stopManagement(meshid) {
const manager = managedGroups[meshid];
const manager = obj.managedGroups[meshid];
if (manager != null) {
// Remove all managed ports
for (var i = 0; i < manager.ports.length; i++) {
@ -57,7 +57,7 @@ function CreateIPKVMManager(parent) {
}
// Remove the manager
delete managedGroups[meshid];
delete obj.managedGroups[meshid];
manager.stop();
}
}
@ -107,7 +107,7 @@ function CreateIPKVMManager(parent) {
// Set the connectivity state if needed
if (obj.managedPorts[nodeid] == null) {
parent.SetConnectivityState(sender.meshid, nodeid, Date.now(), 1, 1, null, null);
obj.managedPorts[nodeid] = { name: port.Name };
obj.managedPorts[nodeid] = { name: port.Name, meshid: sender.meshid, portid: port.PortId };
}
// Update busy state
@ -265,7 +265,7 @@ function CreateRaritanKX3Manager(hostname, port, username, password) {
}
function fetchInitialInformation() {
fetch('/webs_cron.asp?_portsstatushash=&_devicesstatushash=&webs_job=sidebarupdates', null, null, function (server, tag, data) {
obj.fetch('/webs_cron.asp?_portsstatushash=&_devicesstatushash=&webs_job=sidebarupdates', null, null, function (server, tag, data) {
const parsed = parseJsScript(data);
for (var i in parsed['updateSidebarPanel']) {
if (parsed['updateSidebarPanel'][i][0] == "cron_device") {
@ -273,7 +273,7 @@ function CreateRaritanKX3Manager(hostname, port, username, password) {
obj.deviceModel = getSubString(parsed['updateSidebarPanel'][i][1], "<div class=\"device-model\">", "<");
}
}
fetch('/sidebar.asp', null, null, function (server, tag, data) {
obj.fetch('/sidebar.asp', null, null, function (server, tag, data) {
var dataBlock = getSubString(data, "updateKVMLinkHintOnContainer();", "devices.resetDevicesNew(1);");
if (dataBlock == null) { setState(0); return; }
const parsed = parseJsScript(dataBlock);
@ -294,7 +294,7 @@ function CreateRaritanKX3Manager(hostname, port, username, password) {
}
obj.update = function () {
fetch('/webs_cron.asp?_portsstatushash=' + obj.portHash + '&_devicesstatushash=' + obj.deviceHash, null, null, function (server, tag, data) {
obj.fetch('/webs_cron.asp?_portsstatushash=' + obj.portHash + '&_devicesstatushash=' + obj.deviceHash, null, null, function (server, tag, data) {
const parsed = parseJsScript(data);
if (parsed['updatePortStatus']) {
obj.portCount = parseInt(parsed['updatePortStatus'][0][0]) - 2;
@ -396,7 +396,7 @@ function CreateRaritanKX3Manager(hostname, port, username, password) {
return ((char >= 'A') && (char <= 'Z')) || ((char >= 'a') && (char <= 'z')) || ((char >= '0') && (char <= '9'));
}
function fetch(url, postdata, tag, func) {
obj.fetch = function(url, postdata, tag, func) {
if (obj.state == 0) return;
var data = '';
const options = {
@ -416,9 +416,9 @@ function CreateRaritanKX3Manager(hostname, port, username, password) {
if (res.statusCode != 200) { setState(0); return; }
if (res.headers['set-cookie'] != null) { for (var i in res.headers['set-cookie']) { if (res.headers['set-cookie'][i].startsWith('pp_session_id=')) { obj.authCookie = res.headers['set-cookie'][i].substring(14).split(';')[0]; } } }
res.on('data', function (d) { data += d; });
res.on('end', function () { func(obj, tag, data); });
res.on('end', function () { func(obj, tag, data, res); });
});
req.on('error', function (error) { setState(0); })
req.on('error', function (error) { console.log(error); setState(0); })
req.end();
}

53
webserver.js
View File

@ -5848,6 +5848,59 @@ module.exports.CreateWebServer = function (parent, db, args, certificates, doneF
obj.app.get(url + 'pluginHandler.js', obj.handlePluginJS);
}
// Setup IP-KVM relay if supported
if (domain.ipkvm) {
obj.app.ws(url + 'ipkvm.ashx/*', function (ws, req) {
const domain = getDomain(req);
if (domain == null) { parent.debug('web', 'ipkvm: failed domain checks.'); try { ws.close(); } catch (ex) { } return; }
const q = require('url').parse(req.url, true);
const i = q.path.indexOf('/ipkvm.ashx/');
if (i == -1) { parent.debug('web', 'ipkvm: failed url checks.'); try { ws.close(); } catch (ex) { } return; }
const urlargs = q.path.substring(i + 12).split('/');
if (urlargs[0].length != 64) { parent.debug('web', 'ipkvm: failed nodeid length checks.'); try { ws.close(); } catch (ex) { } return; }
const nodeid = 'node/' + domain.id + '/' + urlargs[0];
const nid = urlargs[0];
const kvmport = parent.ipKvmManager.managedPorts[nodeid];
if (kvmport == null) { parent.debug('web', 'ipkvm: failed port checks.'); try { ws.close(); } catch (ex) { } return; }
const kvmmanager = parent.ipKvmManager.managedGroups[kvmport.meshid];
if (kvmmanager == null) { parent.debug('web', 'ipkvm: failed manager checks.'); try { ws.close(); } catch (ex) { } return; }
urlargs.shift();
var relurl = '/' + urlargs.join('/')
if (relurl.endsWith('/.websocket')) { relurl = relurl.substring(0, relurl.length - 11); }
console.log('ws', relurl); // TODO
});
obj.app.get(url + 'ipkvm.ashx/*', function (req, res, next) {
const domain = getDomain(req);
if (domain == null) { return; }
const q = require('url').parse(req.url, true);
const i = q.path.indexOf('/ipkvm.ashx/');
if (i == -1) { next(); return; }
const urlargs = q.path.substring(i + 12).split('/');
if (urlargs[0].length != 64) { next(); return; }
const nodeid = 'node/' + domain.id + '/' + urlargs[0];
const nid = urlargs[0];
const kvmport = parent.ipKvmManager.managedPorts[nodeid];
if (kvmport == null) { next(); return; }
const kvmmanager = parent.ipKvmManager.managedGroups[kvmport.meshid];
if (kvmmanager == null) { next(); return; }
urlargs.shift();
const relurl = '/' + urlargs.join('/') + '#portId=' + kvmport.portid;
// Example: /jsclient/Client.asp#portId=P_000d5d20f64c_1
kvmmanager.fetch(relurl, null, [res, nid], function (server, args, data, rres) {
const resx = args[0], nidx = args[1];
if (rres.headers['content-type']) { resx.set('content-type', rres.headers['content-type']); }
// We need to replace the WebSocket code in one of the files to make it work with our server.
// Replace "b=new WebSocket(e+"//"+c+"/"+g);" in file "/js/js_kvm_client.1604062083669.min.js"
if (relurl.startsWith('/js/js_kvm_client.')) {
data = data.replace('b=new WebSocket(e+"//"+c+"/"+g);', 'b=new WebSocket(e+"//"+c+"/ipkvm.ashx/' + nidx + '/"+g);');
}
resx.end(data);
});
});
}
// Setup MSTSC.js if needed
if (domain.mstsc === true) {
obj.app.get(url + 'mstsc.html', function (req, res) { handleMSTSCRequest(req, res, 'mstsc'); });