1082 lines
53 KiB
JavaScript
1082 lines
53 KiB
JavaScript
/**
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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 2021-2022
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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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obj.parent = parent;
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obj.managedGroups = {} // meshid --> Manager
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obj.managedPorts = {} // nodeid --> PortInfo
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// Mesh Rights
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const MESHRIGHT_EDITMESH = 0x00000001; // 1
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const MESHRIGHT_MANAGEUSERS = 0x00000002; // 2
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const MESHRIGHT_MANAGECOMPUTERS = 0x00000004; // 4
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const MESHRIGHT_REMOTECONTROL = 0x00000008; // 8
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const MESHRIGHT_AGENTCONSOLE = 0x00000010; // 16
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const MESHRIGHT_SERVERFILES = 0x00000020; // 32
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const MESHRIGHT_WAKEDEVICE = 0x00000040; // 64
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const MESHRIGHT_SETNOTES = 0x00000080; // 128
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const MESHRIGHT_REMOTEVIEWONLY = 0x00000100; // 256
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const MESHRIGHT_NOTERMINAL = 0x00000200; // 512
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const MESHRIGHT_NOFILES = 0x00000400; // 1024
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const MESHRIGHT_NOAMT = 0x00000800; // 2048
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const MESHRIGHT_DESKLIMITEDINPUT = 0x00001000; // 4096
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const MESHRIGHT_LIMITEVENTS = 0x00002000; // 8192
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const MESHRIGHT_CHATNOTIFY = 0x00004000; // 16384
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const MESHRIGHT_UNINSTALL = 0x00008000; // 32768
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const MESHRIGHT_NODESKTOP = 0x00010000; // 65536
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const MESHRIGHT_REMOTECOMMAND = 0x00020000; // 131072
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const MESHRIGHT_RESETOFF = 0x00040000; // 262144
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const MESHRIGHT_GUESTSHARING = 0x00080000; // 524288
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const MESHRIGHT_DEVICEDETAILS = 0x00100000; // ?1048576?
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const MESHRIGHT_ADMIN = 0xFFFFFFFF;
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// Subscribe for mesh creation events
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parent.AddEventDispatch(['server-createmesh', 'server-deletemesh', 'server-editmesh', 'devport-operation'], obj);
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obj.HandleEvent = function (source, event, ids, id) {
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if ((event == null) || (event.mtype != 4)) return;
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if (event.action == 'createmesh') {
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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.action == 'deletemesh') {
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// Stop managing this device group
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stopManagement(event.meshid);
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} else if ((event.action == 'meshchange') && (event.relayid != null)) {
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// See if the relayid changed
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changeManagementRelayId(event.meshid, event.relayid);
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} else if ((event.action == 'turnon') || (event.action == 'turnoff')) {
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// Perform power operation
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const manager = obj.managedGroups[event.meshid];
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if ((manager) && (manager.powerOperation)) { manager.powerOperation(event); }
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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) || (obj.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(obj, host, port, mesh.kvm.user, mesh.kvm.pass);
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manager.meshid = mesh._id;
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manager.relayid = mesh.relayid;
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manager.domainid = mesh._id.split('/')[1];
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obj.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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} else if (mesh.kvm.model == 2) { // WebPowerSwitch 7
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const manager = CreateWebPowerSwitch(obj, host, port, mesh.kvm.user, mesh.kvm.pass);
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manager.meshid = mesh._id;
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manager.relayid = mesh.relayid;
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manager.domainid = mesh._id.split('/')[1];
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obj.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 = obj.managedGroups[meshid];
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if (manager != null) {
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// Remove all managed ports
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for (var i = 0; i < manager.ports.length; i++) {
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const port = manager.ports[i];
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const nodeid = generateIpKvmNodeId(manager.meshid, port.PortId, manager.domainid);
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delete obj.managedPorts[nodeid]; // Remove the managed port
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}
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// Remove the manager
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delete obj.managedGroups[meshid];
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manager.stop();
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}
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}
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// Change the relayid of a managed device if needed
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function changeManagementRelayId(meshid, relayid) {
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const manager = obj.managedGroups[meshid];
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if ((manager != null) && (manager.relayid != null) && (manager.relayid != relayid)) { manager.updateRelayId(relayid); }
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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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/*
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console.log('State: ' + ['Disconnected', 'Connecting', 'Connected'][state]);
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if (state == 2) {
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if (sender.deviceModel) { console.log('DeviceModel:', sender.deviceModel); }
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if (sender.firmwareVersion) { console.log('FirmwareVersion:', sender.firmwareVersion); }
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}
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*/
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if (state == 0) {
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// Disconnect all nodes for this device group
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for (var i in sender.ports) {
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const port = sender.ports[i];
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const nodeid = generateIpKvmNodeId(sender.meshid, port.PortId, sender.domainid);
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if (obj.managedPorts[nodeid] != null) {
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parent.ClearConnectivityState(sender.meshid, nodeid, 1, null, null);
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delete obj.managedPorts[nodeid];
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}
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}
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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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const nodeid = generateIpKvmNodeId(sender.meshid, port.PortId, sender.domainid);
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if ((port.Status == 1) && (port.Class == 'PDU')) {
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//console.log(port.PortNumber + ', ' + port.PortId + ', ' + port.Name + ', ' + port.State);
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if ((obj.managedPorts[nodeid] == null) || (obj.managedPorts[nodeid].name != port.Name)) {
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parent.db.Get(nodeid, function (err, nodes) {
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if ((err != null) || (nodes == null)) return;
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const mesh = parent.webserver.meshes[sender.meshid];
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if (nodes.length == 0) {
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// The device does not exist, create it
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const device = { type: 'node', mtype: 4, _id: nodeid, icon: 4, meshid: sender.meshid, name: port.Name, rname: port.Name, domain: sender.domainid, portid: port.PortId, portnum: port.PortNumber, porttype: 'PDU' };
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parent.db.Set(device);
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// Event the new node
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parent.DispatchEvent(parent.webserver.CreateMeshDispatchTargets(sender.meshid, [nodeid]), obj, { etype: 'node', action: 'addnode', nodeid: nodeid, node: device, msgid: 57, msgArgs: [port.Name, mesh.name], msg: ('Added device ' + port.Name + ' to device group ' + mesh.name), domain: sender.domainid });
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} else {
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// The device exists, update it
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var changed = false;
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const device = nodes[0];
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if (device.rname != port.Name) { device.rname = port.Name; changed = true; } // Update the device port name
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if ((mesh.flags) && (mesh.flags & 2) && (device.name != port.Name)) { device.name = port.Name; changed = true; } // Sync device name to port name
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if (changed) {
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// Update the database and event the node change
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parent.db.Set(device);
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parent.DispatchEvent(parent.webserver.CreateMeshDispatchTargets(sender.meshid, [nodeid]), obj, { etype: 'node', action: 'changenode', nodeid: nodeid, node: device, domain: sender.domainid, nolog: 1 });
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}
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}
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// Set the connectivity state if needed
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if (obj.managedPorts[nodeid] == null) {
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parent.SetConnectivityState(sender.meshid, nodeid, Date.now(), 1, port.State ? 1 : 8, null, null);
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obj.managedPorts[nodeid] = { name: port.Name, meshid: sender.meshid, portid: port.PortId, portType: port.PortType, portNo: port.PortIndex };
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}
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});
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} else {
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// Update connectivity state
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parent.SetConnectivityState(sender.meshid, nodeid, Date.now(), 1, port.State ? 1 : 8, null, null);
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}
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} else 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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if ((obj.managedPorts[nodeid] == null) || (obj.managedPorts[nodeid].name != port.Name)) {
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parent.db.Get(nodeid, function (err, nodes) {
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if ((err != null) || (nodes == null)) return;
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const mesh = parent.webserver.meshes[sender.meshid];
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if (nodes.length == 0) {
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// The device does not exist, create it
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const device = { type: 'node', mtype: 4, _id: nodeid, icon: 1, meshid: sender.meshid, name: port.Name, rname: port.Name, domain: sender.domainid, porttype: port.Type, portid: port.PortId, portnum: port.PortNumber };
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parent.db.Set(device);
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// Event the new node
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parent.DispatchEvent(parent.webserver.CreateMeshDispatchTargets(sender.meshid, [nodeid]), obj, { etype: 'node', action: 'addnode', nodeid: nodeid, node: device, msgid: 57, msgArgs: [port.Name, mesh.name], msg: ('Added device ' + port.Name + ' to device group ' + mesh.name), domain: sender.domainid });
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} else {
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// The device exists, update it
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var changed = false;
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const device = nodes[0];
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if (device.rname != port.Name) { device.rname = port.Name; changed = true; } // Update the device port name
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if ((mesh.flags) && (mesh.flags & 2) && (device.name != port.Name)) { device.name = port.Name; changed = true; } // Sync device name to port name
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if (changed) {
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// Update the database and event the node change
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parent.db.Set(device);
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parent.DispatchEvent(parent.webserver.CreateMeshDispatchTargets(sender.meshid, [nodeid]), obj, { etype: 'node', action: 'changenode', nodeid: nodeid, node: device, domain: sender.domainid, nolog: 1 });
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}
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}
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// Set the connectivity state if needed
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if (obj.managedPorts[nodeid] == null) {
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parent.SetConnectivityState(sender.meshid, nodeid, Date.now(), 1, 1, null, null);
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obj.managedPorts[nodeid] = { name: port.Name, meshid: sender.meshid, portid: port.PortId, portType: port.PortType, portNo: port.PortIndex };
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}
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// Update busy state
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const portInfo = obj.managedPorts[nodeid];
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if ((portInfo.sessions != null) != (port.StatAvailable != 0)) {
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if (port.StatAvailable != 0) { portInfo.sessions = { kvm: { 'busy': 1 } } } else { delete portInfo.sessions; }
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// Event the new sessions, this will notify everyone that agent sessions have changed
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var event = { etype: 'node', action: 'devicesessions', nodeid: nodeid, domain: sender.domainid, sessions: portInfo.sessions, nolog: 1 };
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parent.DispatchEvent(parent.webserver.CreateMeshDispatchTargets(sender.meshid, [nodeid]), obj, event);
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}
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});
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} else {
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// Update busy state
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const portInfo = obj.managedPorts[nodeid];
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if ((portInfo.sessions != null) != (port.StatAvailable != 0)) {
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if (port.StatAvailable != 0) { portInfo.sessions = { kvm: { 'busy': 1 } } } else { delete portInfo.sessions; }
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// Event the new sessions, this will notify everyone that agent sessions have changed
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var event = { etype: 'node', action: 'devicesessions', nodeid: nodeid, domain: sender.domainid, sessions: portInfo.sessions, nolog: 1 };
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parent.DispatchEvent(parent.webserver.CreateMeshDispatchTargets(sender.meshid, [nodeid]), obj, event);
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}
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}
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} else {
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if (obj.managedPorts[nodeid] != null) {
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// This port is no longer connected
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parent.ClearConnectivityState(sender.meshid, nodeid, 1, null, null);
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const mesh = parent.webserver.meshes[sender.meshid];
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// If the device group policy is set to auto-remove devices, remove it now
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if ((mesh != null) && (mesh.flags) && (mesh.flags & 1)) { // Auto-remove devices
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parent.db.Remove(nodeid); // Remove node with that id
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parent.db.Remove('nt' + nodeid); // Remove notes
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parent.db.Remove('lc' + nodeid); // Remove last connect time
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parent.db.Remove('al' + nodeid); // Remove error log last time
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parent.db.RemoveAllNodeEvents(nodeid); // Remove all events for this node
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parent.db.removeAllPowerEventsForNode(nodeid); // Remove all power events for this node
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// Event node deletion
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parent.parent.DispatchEvent(parent.CreateMeshDispatchTargets(sender.meshid, [nodeid]), obj, { etype: 'node', action: 'removenode', nodeid: nodeid, domain: domain.id, nolog: 1 });
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}
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// Remove the managed port
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delete obj.managedPorts[nodeid];
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}
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}
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}
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}
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// Generate the nodeid from the device group and device identifier
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function generateIpKvmNodeId(meshid, portid, domainid) {
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return 'node/' + domainid + '/' + parent.crypto.createHash('sha384').update(Buffer.from(meshid + '/' + portid)).digest().toString('base64').replace(/\+/g, '@').replace(/\//g, '$');
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}
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// Parse an incoming HTTP request URL
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function parseIpKvmUrl(domain, url) {
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const q = require('url').parse(url, true);
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const i = q.path.indexOf('/ipkvm.ashx/');
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if (i == -1) return null;
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const urlargs = q.path.substring(i + 12).split('/');
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if (urlargs[0].length != 64) return null;
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const nodeid = 'node/' + domain.id + '/' + urlargs[0];
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const nid = urlargs[0];
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const kvmport = obj.managedPorts[nodeid];
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if (kvmport == null) return null;
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const kvmmanager = obj.managedGroups[kvmport.meshid];
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if (kvmmanager == null) return null;
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urlargs.shift();
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var relurl = '/' + urlargs.join('/');
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if (relurl.endsWith('/.websocket')) { relurl = relurl.substring(0, relurl.length - 11); }
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return { domain: domain.id, relurl: relurl, preurl: q.path.substring(0, i + 76), nodeid: nodeid, nid: nid, kvmmanager: kvmmanager, kvmport: kvmport };
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}
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// Handle a IP-KVM HTTP get request
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obj.handleIpKvmGet = function (domain, req, res, next) {
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// Parse the URL and get information about this KVM port
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const reqinfo = parseIpKvmUrl(domain, req.url);
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if (reqinfo == null) { next(); return; }
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// Check node rights
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if ((req.session == null) || (req.session.userid == null)) { next(); return; }
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const user = parent.webserver.users[req.session.userid];
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if (user == null) { next(); return; }
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const rights = parent.webserver.GetNodeRights(user, reqinfo.kvmmanager.meshid, reqinfo.nodeid);
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if ((rights & MESHRIGHT_REMOTECONTROL) == 0) { next(); return; }
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// Process the request
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reqinfo.kvmmanager.handleIpKvmGet(domain, reqinfo, req, res, next);
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}
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// Handle a IP-KVM HTTP websocket request
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obj.handleIpKvmWebSocket = function (domain, ws, req) {
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// Parse the URL and get information about this KVM port
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const reqinfo = parseIpKvmUrl(domain, req.url);
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if (reqinfo == null) { try { ws.close(); } catch (ex) { } return; }
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// Check node rights
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if ((req.session == null) || (req.session.userid == null)) { try { ws.close(); } catch (ex) { } return; }
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const user = parent.webserver.users[req.session.userid];
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if (user == null) { try { ws.close(); } catch (ex) { } return; }
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const rights = parent.webserver.GetNodeRights(user, reqinfo.kvmmanager.meshid, reqinfo.nodeid);
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if ((rights & MESHRIGHT_REMOTECONTROL) == 0) { try { ws.close(); } catch (ex) { } return; }
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// Add more logging data to the request information
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reqinfo.clientIp = req.clientIp;
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reqinfo.userid = req.session.userid;
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reqinfo.username = user.name;
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// Process the request
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reqinfo.kvmmanager.handleIpKvmWebSocket(domain, reqinfo, ws, req);
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}
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return obj;
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}
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// Create Raritan Dominion KX III Manager
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function CreateRaritanKX3Manager(parent, 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.relayid) {
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obj.router = CreateMiniRouter(parent, obj.relayid, hostname, port);
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obj.router.start(function () { connect(); });
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} else {
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connect();
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}
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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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if (obj.router) { obj.router.stop(); delete obj.router; }
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}
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// If the relay device has changed, update our router
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obj.updateRelayId = function (relayid) {
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obj.relayid = relayid;
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if (obj.router != null) { obj.router.nodeid = relayid; }
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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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if (newState == 0) { obj.ports = []; obj.portCount = 0; obj.deviceCount = 0; }
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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; }
|
|
const data = Buffer.from('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');
|
|
const options = {
|
|
hostname: hostname,
|
|
port: port,
|
|
rejectUnauthorized: false,
|
|
checkServerIdentity: onCheckServerIdentity,
|
|
path: '/auth.asp?client=javascript', // ?client=standalone
|
|
method: 'POST',
|
|
headers: {
|
|
'Content-Type': 'text/html; charset=UTF-8',
|
|
'Content-Length': data.length
|
|
}
|
|
}
|
|
const req = https.request(options, function (res) {
|
|
if (obj.state == 0) return;
|
|
if ((res.statusCode != 302) || (res.headers['set-cookie'] == null) || (res.headers['location'] == null)) { setState(0); return; }
|
|
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]; } }
|
|
if (obj.authCookie == null) { setState(0); return; }
|
|
res.on('data', function (d) { })
|
|
fetchInitialInformation();
|
|
})
|
|
req.on('error', function (error) { setState(0); });
|
|
req.on('timeout', function () { setState(0); });
|
|
req.write(data);
|
|
req.end();
|
|
}
|
|
|
|
function checkCookie() {
|
|
if (obj.state != 2) return;
|
|
const options = {
|
|
hostname: hostname,
|
|
port: port,
|
|
rejectUnauthorized: false,
|
|
checkServerIdentity: onCheckServerIdentity,
|
|
path: '/cookiecheck.asp',
|
|
method: 'GET',
|
|
headers: {
|
|
'Content-Type': 'text/html; charset=UTF-8',
|
|
'Cookie': 'pp_session_id=' + obj.authCookie
|
|
}
|
|
}
|
|
const req = https.request(options, function (res) {
|
|
if (obj.state == 0) return;
|
|
if (res.statusCode != 302) { 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) { })
|
|
});
|
|
req.on('error', function (error) { setState(0); });
|
|
req.on('timeout', function () { setState(0); });
|
|
req.end();
|
|
}
|
|
|
|
function fetchInitialInformation() {
|
|
obj.fetch('/webs_cron.asp?_portsstatushash=&_devicesstatushash=&webs_job=sidebarupdates', null, null, function (server, tag, data) {
|
|
data = data.toString();
|
|
const parsed = parseJsScript(data);
|
|
for (var i in parsed['updateSidebarPanel']) {
|
|
if (parsed['updateSidebarPanel'][i][0] == "cron_device") {
|
|
obj.firmwareVersion = getSubString(parsed['updateSidebarPanel'][i][1], "Firmware: ", "<");
|
|
obj.deviceModel = getSubString(parsed['updateSidebarPanel'][i][1], "<div class=\"device-model\">", "<");
|
|
}
|
|
}
|
|
obj.fetch('/sidebar.asp', null, null, function (server, tag, data) {
|
|
data = data.toString();
|
|
var dataBlock = getSubString(data, "updateKVMLinkHintOnContainer();", "devices.resetDevicesNew(1);");
|
|
if (dataBlock == null) { setState(0); return; }
|
|
const parsed = parseJsScript(dataBlock);
|
|
obj.portCount = parseInt(parsed['updatePortStatus'][0][0]) - 2;
|
|
obj.portHash = parsed['updatePortStatus'][0][1];
|
|
obj.deviceCount = parseInt(parsed['updateDeviceStatus'][0][0]);
|
|
obj.deviceHash = parsed['updateDeviceStatus'][0][1];
|
|
var updatedPorts = [];
|
|
for (var i = 0; i < parsed['addPortNew'].length; i++) {
|
|
const portInfo = parsePortInfo(parsed['addPortNew'][i]);
|
|
obj.ports[portInfo.hIndex] = portInfo;
|
|
updatedPorts.push(portInfo.hIndex);
|
|
}
|
|
setState(2);
|
|
if (obj.onPortsChanged != null) { obj.onPortsChanged(obj, updatedPorts); }
|
|
});
|
|
});
|
|
}
|
|
|
|
obj.update = function () {
|
|
obj.fetch('/webs_cron.asp?_portsstatushash=' + obj.portHash + '&_devicesstatushash=' + obj.deviceHash, null, null, function (server, tag, data) {
|
|
data = data.toString();
|
|
const parsed = parseJsScript(data);
|
|
if (parsed['updatePortStatus']) {
|
|
obj.portCount = parseInt(parsed['updatePortStatus'][0][0]) - 2;
|
|
obj.portHash = parsed['updatePortStatus'][0][1];
|
|
}
|
|
if (parsed['updateDeviceStatus']) {
|
|
obj.deviceCount = parseInt(parsed['updateDeviceStatus'][0][0]);
|
|
obj.deviceHash = parsed['updateDeviceStatus'][0][1];
|
|
}
|
|
if (parsed['updatePort']) {
|
|
var updatedPorts = [];
|
|
for (var i = 0; i < parsed['updatePort'].length; i++) {
|
|
const portInfo = parsePortInfo(parsed['updatePort'][i]);
|
|
obj.ports[portInfo.hIndex] = portInfo;
|
|
updatedPorts.push(portInfo.hIndex);
|
|
}
|
|
if ((updatedPorts.length > 0) && (obj.onPortsChanged != null)) { obj.onPortsChanged(obj, updatedPorts); }
|
|
}
|
|
});
|
|
}
|
|
|
|
function parsePortInfo(args) {
|
|
var out = {};
|
|
for (var i = 0; i < args.length; i++) {
|
|
var parsed = parseJsScript(args[i]);
|
|
var v = parsed.J[0][1], vv = parseInt(v);
|
|
out[parsed.J[0][0]] = (v == vv) ? vv : v;
|
|
}
|
|
return out;
|
|
}
|
|
|
|
function getSubString(str, start, end) {
|
|
var i = str.indexOf(start);
|
|
if (i < 0) return null;
|
|
str = str.substring(i + start.length);
|
|
i = str.indexOf(end);
|
|
if (i >= 0) { str = str.substring(0, i); }
|
|
return str;
|
|
}
|
|
|
|
// Parse JavaScript code calls
|
|
function parseJsScript(str) {
|
|
const out = {};
|
|
var functionName = '';
|
|
var args = [];
|
|
var arg = null;
|
|
var stack = [];
|
|
for (var i = 0; i < str.length; i++) {
|
|
if (stack.length == 0) {
|
|
if (str[i] != '(') {
|
|
if (isAlphaNumeric(str[i])) { functionName += str[i]; } else { functionName = ''; }
|
|
} else {
|
|
stack.push(')');
|
|
}
|
|
} else {
|
|
if (str[i] == stack[stack.length - 1]) {
|
|
if (stack.length > 1) { if (arg == null) { arg = str[i]; } else { arg += str[i]; } }
|
|
if (stack.length == 2) {
|
|
if (arg != null) { args.push(trimQuotes(arg)); }
|
|
arg = null;
|
|
} else if (stack.length == 1) {
|
|
if (arg != null) { args.push(trimQuotes(arg)); arg = null; }
|
|
if (args.length > 0) {
|
|
if (out[functionName] == null) {
|
|
out[functionName] = [args];
|
|
} else {
|
|
out[functionName].push(args);
|
|
}
|
|
}
|
|
args = [];
|
|
}
|
|
stack.pop();
|
|
} else if ((str[i] == '\'') || (str[i] == '"') || (str[i] == '(')) {
|
|
if (str[i] == '(') { stack.push(')'); } else { stack.push(str[i]); }
|
|
if (stack.length > 0) {
|
|
if (arg == null) { arg = str[i]; } else { arg += str[i]; }
|
|
}
|
|
} else {
|
|
if ((stack.length == 1) && (str[i] == ',')) {
|
|
if (arg != null) { args.push(trimQuotes(arg)); arg = null; }
|
|
} else {
|
|
if (stack.length > 0) { if (arg == null) { arg = str[i]; } else { arg += str[i]; } }
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return out;
|
|
}
|
|
|
|
function trimQuotes(str) {
|
|
if ((str == null) || (str.length < 2)) return str;
|
|
str = str.trim();
|
|
if ((str[0] == '\'') && (str[str.length - 1] == '\'')) { return str.substring(1, str.length - 1); }
|
|
if ((str[0] == '"') && (str[str.length - 1] == '"')) { return str.substring(1, str.length - 1); }
|
|
return str;
|
|
}
|
|
|
|
function isAlphaNumeric(char) {
|
|
return ((char >= 'A') && (char <= 'Z')) || ((char >= 'a') && (char <= 'z')) || ((char >= '0') && (char <= '9'));
|
|
}
|
|
|
|
obj.fetch = function (url, postdata, tag, func) {
|
|
if (obj.state == 0) return;
|
|
|
|
var data = [];
|
|
const options = {
|
|
hostname: obj.router ? 'localhost' : hostname,
|
|
port: obj.router ? obj.router.tcpServerPort : port,
|
|
rejectUnauthorized: false,
|
|
checkServerIdentity: onCheckServerIdentity,
|
|
path: url,
|
|
method: (postdata != null) ? 'POST' : 'GET',
|
|
headers: {
|
|
'Content-Type': 'text/html; charset=UTF-8',
|
|
'Cookie': 'pp_session_id=' + obj.authCookie
|
|
}
|
|
}
|
|
const req = https.request(options, function (res) {
|
|
if (obj.state == 0) return;
|
|
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.push(d); });
|
|
res.on('end', function () {
|
|
// This line is used for debugging only, used to swap a file.
|
|
//if (url.endsWith('js_kvm_client.1604062083669.min.js')) { data = [ parent.parent.fs.readFileSync('c:\\tmp\\js_kvm_client.1604062083669.min.js') ] ; }
|
|
func(obj, tag, Buffer.concat(data), res);
|
|
});
|
|
});
|
|
req.on('error', function (error) { setState(0); });
|
|
req.on('timeout', function () { setState(0); });
|
|
req.end();
|
|
}
|
|
|
|
// Handle a IP-KVM HTTP get request
|
|
obj.handleIpKvmGet = function (domain, reqinfo, req, res, next) {
|
|
if (reqinfo.relurl == '/') { res.redirect(reqinfo.preurl + '/jsclient/Client.asp'); return; }
|
|
|
|
// Example: /jsclient/Client.asp#portId=P_000d5d20f64c_1
|
|
obj.fetch(reqinfo.relurl, null, [res, reqinfo], function (server, args, data, rres) {
|
|
const resx = args[0], xreqinfo = args[1];
|
|
if (rres.headers['content-type']) { resx.set('content-type', rres.headers['content-type']); }
|
|
if (xreqinfo.relurl.startsWith('/js/js_kvm_client.')) {
|
|
data = data.toString();
|
|
// Since our cookies can't be read from the html page for security, we embed a dummy cookie into the page.
|
|
data = data.replace('module$js$helper$Extensions.Utils.getCookieValue("pp_session_id")', '"DUMMCOOKIEY"');
|
|
// Add the connection information directly into the file.
|
|
data = data.replace('\'use strict\';', '\'use strict\';sessionStorage.setItem("portPermission","CCC");sessionStorage.setItem("appId","1638838693725_3965868704642470");sessionStorage.setItem("portId","' + xreqinfo.kvmport.portid + '");sessionStorage.setItem("channelName","' + xreqinfo.kvmport.name + '");sessionStorage.setItem("portType","' + xreqinfo.kvmport.portType + '");sessionStorage.setItem("portNo","' + xreqinfo.kvmport.portNo + '");');
|
|
// Replace the WebSocket code in one of the files to make it work with our server.
|
|
data = data.replace('b=new WebSocket(e+"//"+c+"/"+g);', 'b=new WebSocket(e+"//"+c+"/ipkvm.ashx/' + xreqinfo.nid + '/"+g);');
|
|
}
|
|
resx.end(data);
|
|
});
|
|
}
|
|
|
|
function logConnection(wsClient) {
|
|
const kvmport = wsClient.kvmport
|
|
const reqinfo = wsClient.reqinfo;
|
|
var event = { etype: 'relay', action: 'relaylog', domain: reqinfo.domain, userid: reqinfo.userid, username: reqinfo.username, msgid: 15, msgArgs: [kvmport.portid, reqinfo.clientIp, kvmport.portNo], msg: 'Started desktop session' + ' \"' + kvmport.portid + '\" from ' + reqinfo.clientIp + ' to ' + kvmport.portNo, protocol: 2, nodeid: reqinfo.nodeid };
|
|
parent.parent.DispatchEvent(['*', reqinfo.userid, reqinfo.nodeid, kvmport.meshid], obj, event);
|
|
}
|
|
|
|
function logDisconnection(wsClient) {
|
|
const kvmport = wsClient.kvmport
|
|
const reqinfo = wsClient.reqinfo;
|
|
var event = { etype: 'relay', action: 'relaylog', domain: reqinfo.domain, userid: reqinfo.userid, username: reqinfo.username, msgid: 11, msgArgs: [kvmport.portid, reqinfo.clientIp, kvmport.portNo, Math.floor((Date.now() - kvmport.connectionStart) / 1000)], msg: 'Ended desktop session' + ' \"' + kvmport.portid + '\" from ' + reqinfo.clientIp + ' to ' + kvmport.portNo + ', ' + Math.floor((Date.now() - kvmport.connectionStart) / 1000) + ' second(s)', protocol: 2, nodeid: reqinfo.nodeid, bytesin: kvmport.bytesIn, bytesout: kvmport.bytesOut };
|
|
parent.parent.DispatchEvent(['*', reqinfo.userid, reqinfo.nodeid, kvmport.meshid], obj, event);
|
|
|
|
delete kvmport.bytesIn;
|
|
delete kvmport.bytesOut;
|
|
delete kvmport.connectionStart;
|
|
delete wsClient.reqinfo;
|
|
}
|
|
|
|
// Handle a IP-KVM HTTP websocket request
|
|
obj.handleIpKvmWebSocket = function (domain, reqinfo, ws, req) {
|
|
ws._socket.pause();
|
|
//console.log('handleIpKvmWebSocket', reqinfo.preurl);
|
|
|
|
if (reqinfo.kvmport.wsClient != null) {
|
|
// Relay already open
|
|
//console.log('IPKVM Relay already present');
|
|
try { ws.close(); } catch (ex) { }
|
|
} else {
|
|
// Setup a websocket-to-websocket relay
|
|
try {
|
|
const options = {
|
|
rejectUnauthorized: false,
|
|
servername: 'raritan', // We set this to remove the IP address warning from NodeJS.
|
|
headers: { Cookie: 'pp_session_id=' + obj.authCookie + '; view_length=32' }
|
|
};
|
|
parent.parent.debug('relay', 'IPKVM: Relay connecting to: wss://' + hostname + ':' + port + '/rfb');
|
|
const WebSocket = require('ws');
|
|
reqinfo.kvmport.wsClient = new WebSocket('wss://' + hostname + ':' + port + '/rfb', options);
|
|
reqinfo.kvmport.wsClient.wsBrowser = ws;
|
|
ws.wsClient = reqinfo.kvmport.wsClient;
|
|
reqinfo.kvmport.wsClient.kvmport = reqinfo.kvmport;
|
|
reqinfo.kvmport.wsClient.reqinfo = reqinfo;
|
|
reqinfo.kvmport.connectionStart = Date.now();
|
|
reqinfo.kvmport.bytesIn = 0;
|
|
reqinfo.kvmport.bytesOut = 0;
|
|
logConnection(reqinfo.kvmport.wsClient);
|
|
|
|
reqinfo.kvmport.wsClient.on('open', function () {
|
|
parent.parent.debug('relay', 'IPKVM: Relay websocket open');
|
|
this.wsBrowser.on('message', function (data) {
|
|
//console.log('KVM browser data', data.toString('hex'), data.toString('utf8'));
|
|
|
|
// Replace the authentication command that used the dummy cookie with a command that has the correct hash
|
|
if ((this.xAuthNonce != null) && (this.xAuthNonce != 1) && (data.length == 67) && (data[0] == 0x21) && (data[1] == 0x41)) {
|
|
const hash = Buffer.from(require('crypto').createHash('sha256').update(this.xAuthNonce + obj.authCookie).digest().toString('hex'));
|
|
data = Buffer.alloc(67);
|
|
data[0] = 0x21; // Auth Command
|
|
data[1] = 0x41; // Length
|
|
hash.copy(data, 2); // Hash
|
|
this.xAuthNonce = 1;
|
|
}
|
|
|
|
// Check the port name
|
|
if ((data[0] == 0x89) && (data.length > 4)) {
|
|
const portNameLen = (data[2] << 8) + data[3];
|
|
if (data.length == (4 + portNameLen)) {
|
|
const portName = data.slice(4).toString('utf8');
|
|
if (reqinfo.kvmport.portid != portName) {
|
|
// The browser required an unexpected port for remote control, disconnect not.
|
|
try { this._socket.close(); } catch (ex) { }
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
try { this.wsClient.kvmport.bytesOut += data.length; } catch (ex) { }
|
|
this._socket.pause();
|
|
try { this.wsClient.send(data); } catch (ex) { }
|
|
this._socket.resume();
|
|
});
|
|
this.wsBrowser.on('close', function () {
|
|
parent.parent.debug('relay', 'IPKVM: Relay browser websocket closed');
|
|
|
|
// Clean up
|
|
if (this.wsClient) {
|
|
logDisconnection(this.wsClient);
|
|
try { this.wsClient.close(); } catch (ex) { }
|
|
try {
|
|
if (this.wsClient.kvmport) {
|
|
delete this.wsClient.kvmport.wsClient;
|
|
delete this.wsClient.kvmport;
|
|
}
|
|
delete this.wsClient.wsBrowser;
|
|
delete this.wsClient;
|
|
} catch (ex) { console.log(ex); }
|
|
}
|
|
});
|
|
this.wsBrowser.on('error', function (err) {
|
|
parent.parent.debug('relay', 'IPKVM: Relay browser websocket error: ' + err);
|
|
});
|
|
this.wsBrowser._socket.resume();
|
|
});
|
|
reqinfo.kvmport.wsClient.on('message', function (data) { // Make sure to handle flow control.
|
|
//console.log('KVM switch data', data, data.length, data.toString('hex'));
|
|
|
|
// If the data start with 0x21 and 0x41 followed by {SHA256}, store the authenticate nonce
|
|
if ((this.wsBrowser.xAuthNonce == null) && (data.length == 67) && (data[0] == 0x21) && (data[1] == 0x41) && (data[2] == 0x7b) && (data[3] == 0x53) && (data[4] == 0x48)) {
|
|
this.wsBrowser.xAuthNonce = data.slice(2).toString().substring(0, 64);
|
|
}
|
|
|
|
try { this.wsBrowser.wsClient.kvmport.bytesIn += data.length; } catch (ex) { }
|
|
this._socket.pause();
|
|
try { this.wsBrowser.send(data); } catch (ex) { }
|
|
this._socket.resume();
|
|
});
|
|
reqinfo.kvmport.wsClient.on('close', function () {
|
|
parent.parent.debug('relay', 'IPKVM: Relay websocket closed');
|
|
|
|
// Clean up
|
|
try {
|
|
if (this.wsBrowser) {
|
|
logDisconnection(this.wsBrowser.wsClient);
|
|
try { this.wsBrowser.close(); } catch (ex) { }
|
|
delete this.wsBrowser.wsClient; delete this.wsBrowser;
|
|
}
|
|
if (this.kvmport) { delete this.kvmport.wsClient; delete this.kvmport; }
|
|
} catch (ex) { console.log(ex); }
|
|
});
|
|
reqinfo.kvmport.wsClient.on('error', function (err) {
|
|
parent.parent.debug('relay', 'IPKVM: Relay websocket error: ' + err);
|
|
|
|
});
|
|
} catch (ex) { console.log(ex); }
|
|
}
|
|
}
|
|
|
|
return obj;
|
|
}
|
|
|
|
|
|
|
|
|
|
// Create WebPowerSwitch Manager
|
|
function CreateWebPowerSwitch(parent, hostname, port, username, password) {
|
|
port = 80;
|
|
const https = require('http');
|
|
const crypto = require('crypto');
|
|
const obj = {};
|
|
var updateTimer = null;
|
|
var retryTimer = null;
|
|
var challenge = null;
|
|
var challengeRetry = 0;
|
|
var nonceCounter = 1;
|
|
|
|
obj.state = 0; // 0 = Disconnected, 1 = Connecting, 2 = Connected
|
|
obj.ports = [];
|
|
obj.portCount = 0;
|
|
obj.started = false;
|
|
|
|
obj.onStateChanged = null;
|
|
obj.onPortsChanged = null;
|
|
|
|
function onCheckServerIdentity(cert) {
|
|
console.log('TODO: Certificate Check');
|
|
}
|
|
|
|
obj.start = function () {
|
|
if (obj.started) return;
|
|
obj.started = true;
|
|
if (obj.state == 0) {
|
|
if (obj.relayid) {
|
|
obj.router = CreateMiniRouter(parent, obj.relayid, hostname, port);
|
|
obj.router.start(function () { connect(); });
|
|
} else {
|
|
connect();
|
|
}
|
|
}
|
|
}
|
|
|
|
obj.stop = function () {
|
|
if (!obj.started) return;
|
|
obj.started = false;
|
|
if (retryTimer != null) { clearTimeout(retryTimer); retryTimer = null; }
|
|
setState(0);
|
|
obj.ports = [];
|
|
if (obj.router) { obj.router.stop(); delete obj.router; }
|
|
}
|
|
|
|
// If the relay device has changed, update our router
|
|
obj.updateRelayId = function (relayid) {
|
|
obj.relayid = relayid;
|
|
if (obj.router != null) { obj.router.nodeid = relayid; }
|
|
}
|
|
|
|
function setState(newState) {
|
|
if (obj.state == newState) return;
|
|
obj.state = newState;
|
|
if (obj.onStateChanged != null) { obj.onStateChanged(obj, newState); }
|
|
if ((newState == 2) && (updateTimer == null)) { updateTimer = setInterval(obj.update, 10000); }
|
|
if ((newState != 2) && (updateTimer != null)) { clearInterval(updateTimer); updateTimer = null; }
|
|
if ((newState == 0) && (obj.started == true) && (retryTimer == null)) { retryTimer = setTimeout(connect, 20000); }
|
|
if (newState == 0) { obj.ports = []; obj.portCount = 0; }
|
|
}
|
|
|
|
function connect() {
|
|
if (obj.state != 0) return;
|
|
if (retryTimer != null) { clearTimeout(retryTimer); retryTimer = null; }
|
|
setState(1); // 1 = Connecting
|
|
obj.update();
|
|
}
|
|
|
|
obj.update = function () {
|
|
obj.fetch('/restapi/relay/outlets/all;/=name,physical_state/', 'GET', null, null, function (sender, tag, rdata, res) {
|
|
if (res.statusCode == 207) {
|
|
var rdata2 = null;
|
|
if (rdata != null) { try { rdata2 = JSON.parse(rdata); } catch (ex) { } }
|
|
if (Array.isArray(rdata2)) {
|
|
obj.portCount = (rdata2.length / 2);
|
|
setState(2); // 2 = Connected
|
|
const updatedPorts = [];
|
|
for (var i = 0; i < (rdata2.length / 2); i++) {
|
|
const portname = rdata2[i * 2];
|
|
const portstate = rdata2[(i * 2) + 1];
|
|
var portchanged = false;
|
|
if (obj.ports[i] == null) {
|
|
// Add the port
|
|
obj.ports[i] = { PortNumber: i + 1, PortId: 'p' + i, Name: portname, Status: 1, State: portstate, Class: 'PDU' };
|
|
portchanged = true;
|
|
} else {
|
|
// Update the port
|
|
const port = obj.ports[i];
|
|
if (port.Name != portname) { port.Name = portname; portchanged = true; }
|
|
if (port.State != portstate) { port.State = portstate; portchanged = true; }
|
|
}
|
|
if (portchanged) { updatedPorts.push(i); }
|
|
}
|
|
if ((updatedPorts.length > 0) && (obj.onPortsChanged != null)) { obj.onPortsChanged(obj, updatedPorts); }
|
|
} else {
|
|
setState(0); // 0 = Disconnected
|
|
}
|
|
} else {
|
|
setState(0); // 0 = Disconnected
|
|
}
|
|
});
|
|
}
|
|
|
|
obj.powerOperation = function (event) {
|
|
if (typeof event.portnum != 'number') return;
|
|
if (event.action == 'turnon') { setPowerState(event.portnum - 1, true); }
|
|
else if (event.action == 'turnoff') { setPowerState(event.portnum - 1, false); }
|
|
}
|
|
|
|
function setPowerState(port, state, func) {
|
|
obj.fetch('/restapi/relay/outlets/' + port + '/state/', 'PUT', 'value=' + state, null, function (sender, tag, rdata, res) {
|
|
if (res.statusCode == 204) { obj.update(); }
|
|
});
|
|
}
|
|
|
|
obj.fetch = function (url, method, data, tag, func) {
|
|
if (obj.state == 0) return;
|
|
if (typeof data == 'string') { data = Buffer.from(data); }
|
|
|
|
var rdata = [];
|
|
const options = {
|
|
hostname: obj.router ? 'localhost' : hostname,
|
|
port: obj.router ? obj.router.tcpServerPort : port,
|
|
rejectUnauthorized: false,
|
|
checkServerIdentity: onCheckServerIdentity,
|
|
path: url,
|
|
method: method,
|
|
headers: {
|
|
'Content-Type': 'application/x-www-form-urlencoded',
|
|
'accept': 'application/json',
|
|
'X-CSRF': 'x'
|
|
}
|
|
}
|
|
|
|
if (data != null) { options.headers['Content-Length'] = data.length; }
|
|
|
|
if (challenge != null) {
|
|
const buf = Buffer.alloc(10);
|
|
challenge.cnonce = crypto.randomFillSync(buf).toString('hex');
|
|
challenge.nc = nonceCounter++;
|
|
const ha1 = crypto.createHash('md5');
|
|
ha1.update([username, challenge.realm, password].join(':'));
|
|
var xha1 = ha1.digest('hex')
|
|
const ha2 = crypto.createHash('md5');
|
|
ha2.update([options.method, options.path].join(':'));
|
|
var xha2 = ha2.digest('hex');
|
|
const response = crypto.createHash('md5');
|
|
response.update([xha1, challenge.nonce, challenge.nc, challenge.cnonce, challenge.qop, xha2].join(':'));
|
|
var requestParams = {
|
|
"username": username,
|
|
"realm": challenge.realm,
|
|
"nonce": challenge.nonce,
|
|
"uri": options.path,
|
|
"response": response.digest('hex'),
|
|
"cnonce": challenge.cnonce,
|
|
"opaque": challenge.opaque
|
|
};
|
|
options.headers = options.headers || {};
|
|
options.headers.Authorization = renderDigest(requestParams) + ', algorithm=MD5, nc=' + challenge.nc + ', qop=' + challenge.qop;
|
|
}
|
|
|
|
const req = https.request(options, function (res) {
|
|
if (obj.state == 0) return;
|
|
//console.log('res.statusCode', res.statusCode);
|
|
//if (res.statusCode != 200) { console.log(res.statusCode, res.headers, Buffer.concat(data).toString()); setState(0); return; }
|
|
challengeRetry = 0;
|
|
res.on('data', function (d) { rdata.push(d); });
|
|
res.on('end', function () {
|
|
if (res.statusCode == 401) {
|
|
challengeRetry++;
|
|
if (challengeRetry > 4) { setState(0); return; }
|
|
challenge = parseChallenge(res.headers['www-authenticate']);
|
|
obj.fetch(url, method, data, tag, func);
|
|
return;
|
|
} else {
|
|
// This line is used for debugging only, used to swap a file.
|
|
func(obj, tag, Buffer.concat(rdata), res);
|
|
}
|
|
});
|
|
});
|
|
req.on('error', function (error) { setState(0); });
|
|
req.on('timeout', function () { setState(0); });
|
|
if (data) { req.write(data); }
|
|
req.end();
|
|
}
|
|
|
|
function parseChallenge(header) {
|
|
header = header.replace('qop="auth,auth-int"', 'qop="auth"'); // We don't support auth-int yet, easiest way to get rid of it.
|
|
const prefix = 'Digest ';
|
|
const challenge = header.substr(header.indexOf(prefix) + prefix.length);
|
|
const parts = challenge.split(',');
|
|
const length = parts.length;
|
|
const params = {};
|
|
for (var i = 0; i < length; i++) {
|
|
var part = parts[i].match(/^\s*?([a-zA-Z0-0]+)="(.*)"\s*?$/);
|
|
if (part && part.length > 2) { params[part[1]] = part[2]; }
|
|
}
|
|
return params;
|
|
}
|
|
|
|
function renderDigest(params) {
|
|
const parts = [];
|
|
for (var i in params) { parts.push(i + '="' + params[i] + '"'); }
|
|
return 'Digest ' + parts.join(', ');
|
|
}
|
|
|
|
return obj;
|
|
}
|
|
|
|
|
|
// Mini TCP port router
|
|
function CreateMiniRouter(parent, nodeid, targetHost, targetPort) {
|
|
const Net = require('net');
|
|
const WebSocket = require('ws');
|
|
const obj = {};
|
|
const tcpSockets = {}
|
|
obj.tcpServerPort = 0;
|
|
obj.nodeid = nodeid;
|
|
obj.targetHost = targetHost;
|
|
obj.targetPort = targetPort;
|
|
|
|
parent.parent.debug('relay', 'MiniRouter: Request relay for ' + obj.targetHost + ':' + obj.targetPort + ' thru ' + nodeid + '.');
|
|
|
|
// Close a TCP socket and the coresponding web socket.
|
|
function closeTcpSocket(tcpSocket) {
|
|
if (tcpSockets[tcpSocket]) {
|
|
delete tcpSockets[tcpSocket];
|
|
try { tcpSocket.end(); } catch (ex) { console.log(ex); }
|
|
if (tcpSocket.relaySocket) { try { tcpSocket.relaySocket.close(); } catch (ex) { console.log(ex); } }
|
|
try { delete tcpSocket.relaySocket.tcpSocket; } catch (ex) { }
|
|
try { delete tcpSocket.relaySocket; } catch (ex) { }
|
|
}
|
|
}
|
|
|
|
// Close a web socket and the coresponding TCP socket.
|
|
function closeWebSocket(webSocket) {
|
|
const tcpSocket = webSocket.tcpSocket;
|
|
if (tcpSocket) { closeTcpSocket(tcpSocket); }
|
|
}
|
|
|
|
// Start the looppback server
|
|
obj.start = function(onReadyFunc) {
|
|
obj.tcpServer = new Net.Server();
|
|
obj.tcpServer.listen(0, 'localhost', function () {
|
|
obj.tcpServerPort = obj.tcpServer.address().port;
|
|
parent.parent.debug('relay', 'MiniRouter: Request for relay ' + obj.targetHost + ':' + obj.targetPort + ' started on port ' + obj.tcpServerPort);
|
|
onReadyFunc(obj.tcpServerPort, obj);
|
|
});
|
|
obj.tcpServer.on('connection', function (socket) {
|
|
tcpSockets[socket] = 1;
|
|
socket.pause();
|
|
socket.on('data', function (chunk) { // Make sure to handle flow control.
|
|
const f = function sendDone() { sendDone.tcpSocket.resume(); }
|
|
f.tcpSocket = this;
|
|
if (this.relaySocket && this.relaySocket.active) { this.pause(); this.relaySocket.send(chunk, f); }
|
|
});
|
|
socket.on('end', function () { closeTcpSocket(this); });
|
|
socket.on('close', function () { closeTcpSocket(this); });
|
|
socket.on('error', function (err) { closeTcpSocket(this); });
|
|
|
|
// Encode the device relay cookie. Note that there is no userid in this cookie.
|
|
const domainid = obj.nodeid.split('/')[1];
|
|
const cookie = parent.parent.encodeCookie({ nouser: 1, domainid: domainid, nodeid: obj.nodeid, tcpaddr: obj.targetHost, tcpport: obj.targetPort }, parent.parent.loginCookieEncryptionKey);
|
|
const domain = parent.parent.config.domains[domainid];
|
|
|
|
// Setup the correct URL with domain and use TLS only if needed.
|
|
const options = { rejectUnauthorized: false };
|
|
const protocol = (parent.parent.args.tlsoffload) ? 'ws' : 'wss';
|
|
var domainadd = '';
|
|
if ((domain.dns == null) && (domain.id != '')) { domainadd = domain.id + '/' }
|
|
const url = protocol + '://localhost:' + parent.parent.args.port + '/' + domainadd + 'meshrelay.ashx?noping=1&hd=1&auth=' + cookie; // TODO: &p=10, Protocol 10 is Web-RDP, Specify TCP routing protocol?
|
|
parent.parent.debug('relay', 'MiniRouter: Connection websocket to ' + url);
|
|
socket.relaySocket = new WebSocket(url, options);
|
|
socket.relaySocket.tcpSocket = socket;
|
|
socket.relaySocket.on('open', function () { parent.parent.debug('relay', 'MiniRouter: Relay websocket open'); });
|
|
socket.relaySocket.on('message', function (data) { // Make sure to handle flow control.
|
|
if (!this.active) {
|
|
if (data == 'c') {
|
|
// Relay Web socket is connected, start data relay
|
|
this.active = true;
|
|
this.tcpSocket.resume();
|
|
} else {
|
|
// Could not connect web socket, close it
|
|
closeWebSocket(this);
|
|
}
|
|
} else {
|
|
// Relay more data
|
|
this._socket.pause();
|
|
const f = function sendDone() { sendDone.webSocket._socket.resume(); }
|
|
f.webSocket = this;
|
|
this.tcpSocket.write(data, f);
|
|
}
|
|
});
|
|
socket.relaySocket.on('close', function (reasonCode, description) { parent.parent.debug('relay', 'MiniRouter: Relay websocket closed'); closeWebSocket(this); });
|
|
socket.relaySocket.on('error', function (err) { parent.parent.debug('relay', 'MiniRouter: Relay websocket error: ' + err); closeWebSocket(this); });
|
|
});
|
|
}
|
|
|
|
// Stop the looppback server and all relay sockets
|
|
obj.stop = function () {
|
|
for (var tcpSocket in tcpSockets) { closeTcpSocket(tcpSocket); }
|
|
obj.tcpServer.close();
|
|
obj.tcpServer = null;
|
|
}
|
|
|
|
return obj;
|
|
}
|
|
|
|
module.exports.CreateIPKVMManager = CreateIPKVMManager; |