335 lines
14 KiB
JavaScript
335 lines
14 KiB
JavaScript
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/**
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* @description MeshCentral IP KVM Management Module
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* @author Ylian Saint-Hilaire
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* @copyright Intel Corporation 2021
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* @license Apache-2.0
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* @version v0.0.1
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*/
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function CreateIPKVMManager(parent) {
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const obj = {};
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const managedGroups = {} // meshid --> Manager
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// Subscribe for mesh creation events
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parent.AddEventDispatch(['server-createmesh', 'server-deletemesh'], obj);
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obj.HandleEvent = function (source, event, ids, id) {
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if ((event != null) && (event.action == 'createmesh') && (event.mtype == 4)) {
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// Start managing this new device group
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startManagement(parent.webserver.meshes[event.meshid]);
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} else if ((event != null) && (event.action == 'deletemesh') && (event.mtype == 4)) {
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// Stop managing this device group
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stopManagement(event.meshid);
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}
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}
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// Run thru the list of device groups that require
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for (var i in parent.webserver.meshes) {
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const mesh = parent.webserver.meshes[i];
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if ((mesh.mtype == 4) && (mesh.deleted == null)) { startManagement(mesh); }
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}
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// Start managing a IP KVM device
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function startManagement(mesh) {
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if ((mesh == null) || (mesh.mtype != 4) || (mesh.kvm == null) || (mesh.deleted != null) || (managedGroups[mesh._id] != null)) return;
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var port = 443, hostSplit = mesh.kvm.host.split(':'), host = hostSplit[0];
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if (hostSplit.length == 2) { port = parseInt(hostSplit[1]); }
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if (mesh.kvm.model == 1) { // Raritan KX III
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const manager = CreateRaritanKX3Manager(host, port, mesh.kvm.user, mesh.kvm.pass);
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manager.meshid = mesh._id;
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managedGroups[mesh._id] = manager;
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manager.onStateChanged = onStateChanged;
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manager.onPortsChanged = onPortsChanged;
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manager.start();
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}
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}
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// Stop managing a IP KVM device
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function stopManagement(meshid) {
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const manager = managedGroups[meshid];
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if (manager != null) { delete managedGroups[meshid]; manager.stop(); }
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}
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// Called when a KVM device changes state
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function onStateChanged(sender, state) {
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console.log('State: ' + ['Disconnected', 'Connecting', 'Connected'][state]);
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if (state == 2) {
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console.log('DeviceModel:', sender.deviceModel);
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console.log('FirmwareVersion:', sender.firmwareVersion);
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}
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}
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// Called when a KVM device changes state
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function onPortsChanged(sender, updatedPorts) {
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for (var i = 0; i < updatedPorts.length; i++) {
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const port = sender.ports[updatedPorts[i]];
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if ((port.Status == 1) && (port.Class == 'KVM')) {
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console.log(port.PortNumber + ', ' + port.PortId + ', ' + port.Name + ', ' + port.Type + ', ' + ((port.StatAvailable == 0) ? 'Idle' : 'Connected'));
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}
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}
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}
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return obj;
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}
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function CreateRaritanKX3Manager(hostname, port, username, password) {
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const https = require('https');
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const obj = {};
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var updateTimer = null;
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var retryTimer = null;
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obj.authCookie = null;
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obj.state = 0; // 0 = Disconnected, 1 = Connecting, 2 = Connected
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obj.ports = [];
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obj.portCount = 0;
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obj.portHash = null;
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obj.deviceCount = 0;
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obj.deviceHash = null;
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obj.started = false;
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// Events
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obj.onStateChanged = null;
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obj.onPortsChanged = null;
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function onCheckServerIdentity(cert) {
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console.log('TODO: Certificate Check');
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}
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obj.start = function () {
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if (obj.started) return;
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obj.started = true;
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if (obj.state == 0) connect();
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}
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obj.stop = function () {
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if (!obj.started) return;
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obj.started = false;
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if (retryTimer != null) { clearTimeout(retryTimer); retryTimer = null; }
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setState(0);
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}
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function setState(newState) {
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if (obj.state == newState) return;
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obj.state = newState;
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if (obj.onStateChanged != null) { obj.onStateChanged(obj, newState); }
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if ((newState == 2) && (updateTimer == null)) { updateTimer = setInterval(obj.update, 10000); }
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if ((newState != 2) && (updateTimer != null)) { clearInterval(updateTimer); updateTimer = null; }
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if ((newState == 0) && (obj.started == true) && (retryTimer == null)) { retryTimer = setTimeout(connect, 20000); }
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}
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function connect() {
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if (obj.state != 0) return;
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setState(1); // 1 = Connecting
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obj.authCookie = null;
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if (retryTimer != null) { clearTimeout(retryTimer); retryTimer = null; }
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const data = new TextEncoder().encode('is_dotnet=0&is_javafree=0&is_standalone_client=0&is_javascript_kvm_client=1&is_javascript_rsc_client=1&login=' + encodeURIComponent(username) + '&password=' + encodeURIComponent(password) + '&action_login=Login');
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const options = {
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hostname: hostname,
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port: port,
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rejectUnauthorized: false,
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checkServerIdentity: onCheckServerIdentity,
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path: '/auth.asp?client=javascript', // ?client=standalone
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method: 'POST',
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headers: {
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'Content-Type': 'text/html; charset=UTF-8',
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'Content-Length': data.length
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}
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}
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const req = https.request(options, function (res) {
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if (obj.state == 0) return;
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if ((res.statusCode != 302) || (res.headers['set-cookie'] == null) || (res.headers['location'] == null)) { setState(0); return; }
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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]; } }
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if (obj.authCookie == null) { setState(0); return; }
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res.on('data', function (d) { })
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fetchInitialInformation();
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})
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req.on('error', function (error) { setState(0); })
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req.write(data);
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req.end();
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}
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function checkCookie() {
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if (obj.state != 2) return;
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const options = {
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hostname: hostname,
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port: port,
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rejectUnauthorized: false,
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checkServerIdentity: onCheckServerIdentity,
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path: '/cookiecheck.asp',
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method: 'GET',
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headers: {
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'Content-Type': 'text/html; charset=UTF-8',
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'Cookie': 'pp_session_id=' + obj.authCookie
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}
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}
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const req = https.request(options, function (res) {
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if (obj.state == 0) return;
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if (res.statusCode != 302) { setState(0); return; }
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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]; } } }
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res.on('data', function (d) { })
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});
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req.on('error', function (error) { setState(0); })
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req.end();
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}
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function fetchInitialInformation() {
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fetch('/webs_cron.asp?_portsstatushash=&_devicesstatushash=&webs_job=sidebarupdates', null, null, function (server, tag, data) {
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const parsed = parseJsScript(data);
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for (var i in parsed['updateSidebarPanel']) {
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if (parsed['updateSidebarPanel'][i][0] == "cron_device") {
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obj.firmwareVersion = getSubString(parsed['updateSidebarPanel'][i][1], "Firmware: ", "<");
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obj.deviceModel = getSubString(parsed['updateSidebarPanel'][i][1], "<div class=\"device-model\">", "<");
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}
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}
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fetch('/sidebar.asp', null, null, function (server, tag, data) {
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var dataBlock = getSubString(data, "updateKVMLinkHintOnContainer();", "devices.resetDevicesNew(1);");
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if (dataBlock == null) { setState(0); return; }
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const parsed = parseJsScript(dataBlock);
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obj.portCount = parseInt(parsed['updatePortStatus'][0][0]) - 2;
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obj.portHash = parsed['updatePortStatus'][0][1];
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obj.deviceCount = parseInt(parsed['updateDeviceStatus'][0][0]);
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obj.deviceHash = parsed['updateDeviceStatus'][0][1];
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var updatedPorts = [];
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for (var i = 0; i < parsed['addPortNew'].length; i++) {
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const portInfo = parsePortInfo(parsed['addPortNew'][i]);
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obj.ports[portInfo.hIndex] = portInfo;
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updatedPorts.push(portInfo.hIndex);
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}
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setState(2);
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if (obj.onPortsChanged != null) { obj.onPortsChanged(obj, updatedPorts); }
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});
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});
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}
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obj.update = function () {
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fetch('/webs_cron.asp?_portsstatushash=' + obj.portHash + '&_devicesstatushash=' + obj.deviceHash, null, null, function (server, tag, data) {
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const parsed = parseJsScript(data);
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if (parsed['updatePortStatus']) {
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obj.portCount = parseInt(parsed['updatePortStatus'][0][0]) - 2;
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obj.portHash = parsed['updatePortStatus'][0][1];
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}
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if (parsed['updateDeviceStatus']) {
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obj.deviceCount = parseInt(parsed['updateDeviceStatus'][0][0]);
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obj.deviceHash = parsed['updateDeviceStatus'][0][1];
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}
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if (parsed['updatePort']) {
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var updatedPorts = [];
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for (var i = 0; i < parsed['updatePort'].length; i++) {
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const portInfo = parsePortInfo(parsed['updatePort'][i]);
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obj.ports[portInfo.hIndex] = portInfo;
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updatedPorts.push(portInfo.hIndex);
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}
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if ((updatedPorts.length > 0) && (obj.onPortsChanged != null)) { obj.onPortsChanged(obj, updatedPorts); }
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}
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});
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}
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function parsePortInfo(args) {
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var out = {};
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for (var i = 0; i < args.length; i++) {
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var parsed = parseJsScript(args[i]);
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var v = parsed.J[0][1], vv = parseInt(v);
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out[parsed.J[0][0]] = (v == vv)?vv:v;
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}
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return out;
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}
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function getSubString(str, start, end) {
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var i = str.indexOf(start);
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if (i < 0) return null;
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str = str.substring(i + start.length);
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i = str.indexOf(end);
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if (i >= 0) { str = str.substring(0, i); }
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return str;
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}
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// Parse JavaScript code calls
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function parseJsScript(str) {
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const out = {};
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var functionName = '';
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var args = [];
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var arg = null;
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var stack = [];
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for (var i = 0; i < str.length; i++) {
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if (stack.length == 0) {
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if (str[i] != '(') {
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if (isAlphaNumeric(str[i])) { functionName += str[i]; } else { functionName = ''; }
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} else {
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stack.push(')');
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}
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} else {
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if (str[i] == stack[stack.length - 1]) {
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if (stack.length > 1) { if (arg == null) { arg = str[i]; } else { arg += str[i]; } }
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if (stack.length == 2) {
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if (arg != null) { args.push(trimQuotes(arg)); }
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arg = null;
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} else if (stack.length == 1) {
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if (arg != null) { args.push(trimQuotes(arg)); arg = null; }
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if (args.length > 0) {
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if (out[functionName] == null) {
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out[functionName] = [args];
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} else {
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out[functionName].push(args);
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}
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}
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args = [];
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}
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stack.pop();
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} else if ((str[i] == '\'') || (str[i] == '"') || (str[i] == '(')) {
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if (str[i] == '(') { stack.push(')'); } else { stack.push(str[i]); }
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if (stack.length > 0) {
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if (arg == null) { arg = str[i]; } else { arg += str[i]; }
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}
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} else {
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if ((stack.length == 1) && (str[i] == ',')) {
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if (arg != null) { args.push(trimQuotes(arg)); arg = null; }
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} else {
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if (stack.length > 0) { if (arg == null) { arg = str[i]; } else { arg += str[i]; } }
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}
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}
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}
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}
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return out;
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}
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function trimQuotes(str) {
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if ((str == null) || (str.length < 2)) return str;
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str = str.trim();
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if ((str[0] == '\'') && (str[str.length - 1] == '\'')) { return str.substring(1, str.length - 1); }
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if ((str[0] == '"') && (str[str.length - 1] == '"')) { return str.substring(1, str.length - 1); }
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return str;
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}
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function isAlphaNumeric(char) {
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return ((char >= 'A') && (char <= 'Z')) || ((char >= 'a') && (char <= 'z')) || ((char >= '0') && (char <= '9'));
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}
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function fetch(url, postdata, tag, func) {
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if (obj.state == 0) return;
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var data = '';
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const options = {
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hostname: hostname,
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port: port,
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rejectUnauthorized: false,
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checkServerIdentity: onCheckServerIdentity,
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path: url,
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method: (postdata != null)?'POST':'GET',
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headers: {
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'Content-Type': 'text/html; charset=UTF-8',
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'Cookie': 'pp_session_id=' + obj.authCookie
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}
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}
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const req = https.request(options, function (res) {
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if (obj.state == 0) return;
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if (res.statusCode != 200) { setState(0); return; }
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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]; } } }
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res.on('data', function (d) { data += d; });
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res.on('end', function () { func(obj, tag, data); });
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});
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req.on('error', function (error) { setState(0); })
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req.end();
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}
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return obj;
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}
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module.exports.CreateIPKVMManager = CreateIPKVMManager;
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