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meshuser.js
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/**
* @description MeshCentral MeshAgent
* @author Ylian Saint-Hilaire & Bryan Roe
* @copyright Intel Corporation 2018-2021
* @license Apache-2.0
* @version v0.0.1
*/
/*jslint node: true */
/*jshint node: true */
/*jshint strict:false */
/*jshint -W097 */
/*jshint esversion: 6 */
"use strict";
// Construct a MeshAgent object, called upon connection
module.exports.CreateMeshUser = function (parent, db, ws, req, args, domain, user) {
const fs = require('fs');
const path = require('path');
const common = parent.common;
// Cross domain messages, for cross-domain administrators only.
const allowedCrossDomainMessages = ['accountcreate', 'accountremove', 'accountchange', 'createusergroup', 'deleteusergroup', 'usergroupchange'];
// User Consent Flags
const USERCONSENT_DesktopNotifyUser = 1;
const USERCONSENT_TerminalNotifyUser = 2;
const USERCONSENT_FilesNotifyUser = 4;
const USERCONSENT_DesktopPromptUser = 8;
const USERCONSENT_TerminalPromptUser = 16;
const USERCONSENT_FilesPromptUser = 32;
const USERCONSENT_ShowConnectionToolbar = 64;
// Mesh Rights
const MESHRIGHT_EDITMESH = 0x00000001; // 1
const MESHRIGHT_MANAGEUSERS = 0x00000002; // 2
const MESHRIGHT_MANAGECOMPUTERS = 0x00000004; // 4
const MESHRIGHT_REMOTECONTROL = 0x00000008; // 8
const MESHRIGHT_AGENTCONSOLE = 0x00000010; // 16
const MESHRIGHT_SERVERFILES = 0x00000020; // 32
const MESHRIGHT_WAKEDEVICE = 0x00000040; // 64
const MESHRIGHT_SETNOTES = 0x00000080; // 128
const MESHRIGHT_REMOTEVIEWONLY = 0x00000100; // 256
const MESHRIGHT_NOTERMINAL = 0x00000200; // 512
const MESHRIGHT_NOFILES = 0x00000400; // 1024
const MESHRIGHT_NOAMT = 0x00000800; // 2048
const MESHRIGHT_DESKLIMITEDINPUT = 0x00001000; // 4096
const MESHRIGHT_LIMITEVENTS = 0x00002000; // 8192
const MESHRIGHT_CHATNOTIFY = 0x00004000; // 16384
const MESHRIGHT_UNINSTALL = 0x00008000; // 32768
const MESHRIGHT_NODESKTOP = 0x00010000; // 65536
const MESHRIGHT_REMOTECOMMAND = 0x00020000; // 131072
const MESHRIGHT_RESETOFF = 0x00040000; // 262144
const MESHRIGHT_GUESTSHARING = 0x00080000; // 524288
const MESHRIGHT_ADMIN = 0xFFFFFFFF;
// Site rights
const SITERIGHT_SERVERBACKUP = 0x00000001; // 1
const SITERIGHT_MANAGEUSERS = 0x00000002; // 2
const SITERIGHT_SERVERRESTORE = 0x00000004; // 4
const SITERIGHT_FILEACCESS = 0x00000008; // 8
const SITERIGHT_SERVERUPDATE = 0x00000010; // 16
const SITERIGHT_LOCKED = 0x00000020; // 32
const SITERIGHT_NONEWGROUPS = 0x00000040; // 64
const SITERIGHT_NOMESHCMD = 0x00000080; // 128
const SITERIGHT_USERGROUPS = 0x00000100; // 256
const SITERIGHT_RECORDINGS = 0x00000200; // 512
const SITERIGHT_LOCKSETTINGS = 0x00000400; // 1024
const SITERIGHT_ALLEVENTS = 0x00000800; // 2048
const SITERIGHT_ADMIN = 0xFFFFFFFF;
// Events
/*
var eventsMessageId = {
1: "Account login",
2: "Account logout",
3: "Changed language from {1} to {2}",
4: "Joined desktop multiplex session",
5: "Left the desktop multiplex session",
6: "Started desktop multiplex session",
7: "Finished recording session, {0} second(s)",
8: "Closed desktop multiplex session, {0} second(s)"
};
*/
var obj = {};
obj.user = user;
obj.domain = domain;
obj.ws = ws;
// Check if we are a cross-domain administrator
if (parent.parent.config.settings.managecrossdomain && (parent.parent.config.settings.managecrossdomain.indexOf(user._id) >= 0)) { obj.crossDomain = true; }
// Server side Intel AMT stack
const WsmanComm = require('./amt/amt-wsman-comm.js');
const Wsman = require('./amt/amt-wsman.js');
const Amt = require('./amt/amt.js');
// If this session has an expire time, setup a timer now.
if ((req.session != null) && (typeof req.session.expire == 'number')) {
var delta = (req.session.expire - Date.now());
if (delta <= 0) { req.session = {}; try { ws.close(); } catch (ex) { } return; } // Session is already expired, close now.
obj.expireTimer = setTimeout(function () { for (var i in req.session) { delete req.session[i]; } obj.close(); }, delta);
}
// Send a message to the user
//obj.send = function (data) { try { if (typeof data == 'string') { ws.send(Buffer.from(data, 'binary')); } else { ws.send(data); } } catch (e) { } }
// Clean a IPv6 address that encodes a IPv4 address
function cleanRemoteAddr(addr) { if (addr.startsWith('::ffff:')) { return addr.substring(7); } else { return addr; } }
// Send a PING/PONG message
function sendPing() { try { obj.ws.send('{"action":"ping"}'); } catch (ex) { } }
function sendPong() { try { obj.ws.send('{"action":"pong"}'); } catch (ex) { } }
// Setup the agent PING/PONG timers
if ((typeof args.browserping == 'number') && (obj.pingtimer == null)) { obj.pingtimer = setInterval(sendPing, args.browserping * 1000); }
else if ((typeof args.browserpong == 'number') && (obj.pongtimer == null)) { obj.pongtimer = setInterval(sendPong, args.browserpong * 1000); }
// Disconnect this user
obj.close = function (arg) {
if ((arg == 1) || (arg == null)) { try { ws.close(); parent.parent.debug('user', 'Soft disconnect'); } catch (e) { console.log(e); } } // Soft close, close the websocket
if (arg == 2) { try { ws._socket._parent.end(); parent.parent.debug('user', 'Hard disconnect'); } catch (e) { console.log(e); } } // Hard close, close the TCP socket
// Perform timer cleanup
if (obj.pingtimer) { clearInterval(obj.pingtimer); delete obj.pingtimer; }
if (obj.pongtimer) { clearInterval(obj.pongtimer); delete obj.pongtimer; }
// Clear expire timeout
if (obj.expireTimer != null) { clearTimeout(obj.expireTimer); delete obj.expireTimer; }
// Perform cleanup
parent.parent.RemoveAllEventDispatch(ws);
if (obj.serverStatsTimer != null) { clearInterval(obj.serverStatsTimer); delete obj.serverStatsTimer; }
if (req.session && req.session.ws && req.session.ws == ws) { delete req.session.ws; }
if (parent.wssessions2[ws.sessionId]) { delete parent.wssessions2[ws.sessionId]; }
if ((obj.user != null) && (parent.wssessions[obj.user._id])) {
var i = parent.wssessions[obj.user._id].indexOf(ws);
if (i >= 0) {
parent.wssessions[obj.user._id].splice(i, 1);
var user = parent.users[obj.user._id];
if (user) {
if (parent.parent.multiServer == null) {
var targets = ['*', 'server-users'];
if (obj.user.groups) { for (var i in obj.user.groups) { targets.push('server-users:' + i); } }
parent.parent.DispatchEvent(targets, obj, { action: 'wssessioncount', userid: user._id, username: user.name, count: parent.wssessions[obj.user._id].length, nolog: 1, domain: domain.id });
} else {
parent.recountSessions(ws.sessionId); // Recount sessions
}
}
if (parent.wssessions[obj.user._id].length == 0) { delete parent.wssessions[obj.user._id]; }
}
}
// If we have peer servers, inform them of the disconnected session
if (parent.parent.multiServer != null) { parent.parent.multiServer.DispatchMessage({ action: 'sessionEnd', sessionid: ws.sessionId }); }
// Aggressive cleanup
delete obj.user;
delete obj.domain;
delete ws.userid;
delete ws.domainid;
delete ws.clientIp;
delete ws.sessionId;
delete ws.HandleEvent;
ws.removeAllListeners(['message', 'close', 'error']);
};
// Convert a mesh path array into a real path on the server side
function meshPathToRealPath(meshpath, user) {
if (common.validateArray(meshpath, 1) == false) return null;
var splitid = meshpath[0].split('/');
if (splitid[0] == 'user') {
// Check user access
if (meshpath[0] != user._id) return null; // Only allow own user folder
} else if (splitid[0] == 'mesh') {
// Check mesh access
if ((parent.GetMeshRights(user, meshpath[0]) & MESHRIGHT_SERVERFILES) == 0) return null; // This user must have mesh rights to "server files"
} else return null;
var rootfolder = meshpath[0], rootfoldersplit = rootfolder.split('/'), domainx = 'domain';
if (rootfoldersplit[1].length > 0) domainx = 'domain-' + rootfoldersplit[1];
var path = parent.path.join(parent.filespath, domainx, rootfoldersplit[0] + '-' + rootfoldersplit[2]);
for (var i = 1; i < meshpath.length; i++) { if (common.IsFilenameValid(meshpath[i]) == false) { path = null; break; } path += ("/" + meshpath[i]); }
return path;
}
// Copy a file using the best technique available
function copyFile(src, dest, func, tag) {
if (fs.copyFile) {
// NodeJS v8.5 and higher
fs.copyFile(src, dest, function (err) { func(tag); })
} else {
// Older NodeJS
try {
var ss = fs.createReadStream(src), ds = fs.createWriteStream(dest);
ss.on('error', function () { func(tag); });
ds.on('error', function () { func(tag); });
ss.pipe(ds);
ds.ss = ss;
if (arguments.length == 3 && typeof arguments[2] === 'function') { ds.on('close', arguments[2]); }
else if (arguments.length == 4 && typeof arguments[3] === 'function') { ds.on('close', arguments[3]); }
ds.on('close', function () { func(tag); });
} catch (ex) { }
}
}
// Route a command to a target node
function routeCommandToNode(command, requiredRights, requiredNonRights, func) {
if (common.validateString(command.nodeid, 8, 128) == false) { if (func) { func(false); } return false; }
var splitnodeid = command.nodeid.split('/');
// Check that we are in the same domain and the user has rights over this node.
if ((splitnodeid[0] == 'node') && (splitnodeid[1] == domain.id)) {
// See if the node is connected
var agent = parent.wsagents[command.nodeid];
if (agent != null) {
// Check if we have permission to send a message to that node
parent.GetNodeWithRights(domain, user, agent.dbNodeKey, function (node, rights, visible) {
var mesh = parent.meshes[agent.dbMeshKey];
if ((node != null) && (mesh != null) && ((rights & MESHRIGHT_REMOTECONTROL) || (rights & MESHRIGHT_REMOTEVIEWONLY))) { // 8 is remote control permission, 256 is desktop read only
if ((requiredRights != null) && ((rights & requiredRights) == 0)) { if (func) { func(false); return; } } // Check Required Rights
if ((requiredNonRights != null) && (rights != MESHRIGHT_ADMIN) && ((rights & requiredNonRights) != 0)) { if (func) { func(false); return; } } // Check Required None Rights
command.sessionid = ws.sessionId; // Set the session id, required for responses
command.rights = rights; // Add user rights flags to the message
command.consent = 0;
if (typeof domain.userconsentflags == 'number') { command.consent |= domain.userconsentflags; } // Add server required consent flags
if (typeof mesh.consent == 'number') { command.consent |= mesh.consent; } // Add device group user consent
if (typeof node.consent == 'number') { command.consent |= node.consent; } // Add node user consent
if (typeof user.consent == 'number') { command.consent |= user.consent; } // Add user consent
// Check if we need to add consent flags because of a user group link
if ((user.links != null) && (user.links[mesh._id] == null) && (user.links[node._id] == null)) {
// This user does not have a direct link to the device group or device. Find all user groups the would cause the link.
for (var i in user.links) {
var ugrp = parent.userGroups[i];
if ((ugrp != null) && (ugrp.consent != null) && (ugrp.links != null) && ((ugrp.links[mesh._id] != null) || (ugrp.links[node._id] != null))) {
command.consent |= ugrp.consent; // Add user group consent flags
}
}
}
command.username = user.name; // Add user name
command.realname = user.realname; // Add real name
command.userid = user._id; // Add user id
command.remoteaddr = req.clientIp; // User's IP address
if (typeof domain.desktopprivacybartext == 'string') { command.privacybartext = domain.desktopprivacybartext; } // Privacy bar text
delete command.nodeid; // Remove the nodeid since it's implied
try { agent.send(JSON.stringify(command)); } catch (ex) { }
} else { if (func) { func(false); } }
});
} else {
// Check if a peer server is connected to this agent
var routing = parent.parent.GetRoutingServerIdNotSelf(command.nodeid, 1); // 1 = MeshAgent routing type
if (routing != null) {
// Check if we have permission to send a message to that node
parent.GetNodeWithRights(domain, user, command.nodeid, function (node, rights, visible) {
if ((requiredRights != null) && ((rights & requiredRights) == 0)) { if (func) { func(false); return; } } // Check Required Rights
if ((requiredNonRights != null) && (rights != MESHRIGHT_ADMIN) && ((rights & requiredNonRights) != 0)) { if (func) { func(false); return; } } // Check Required None Rights
var mesh = parent.meshes[routing.meshid];
if ((node != null) && (mesh != null) && ((rights & MESHRIGHT_REMOTECONTROL) || (rights & MESHRIGHT_REMOTEVIEWONLY))) { // 8 is remote control permission
command.fromSessionid = ws.sessionId; // Set the session id, required for responses
command.rights = rights; // Add user rights flags to the message
command.consent = 0;
if (typeof domain.userconsentflags == 'number') { command.consent |= domain.userconsentflags; } // Add server required consent flags
if (typeof mesh.consent == 'number') { command.consent |= mesh.consent; } // Add device group user consent
if (typeof node.consent == 'number') { command.consent |= node.consent; } // Add node user consent
if (typeof user.consent == 'number') { command.consent |= user.consent; } // Add user consent
// Check if we need to add consent flags because of a user group link
if ((user.links != null) && (user.links[mesh._id] == null) && (user.links[node._id] == null)) {
// This user does not have a direct link to the device group or device. Find all user groups the would cause the link.
for (var i in user.links) {
var ugrp = parent.userGroups[i];
if ((ugrp != null) && (ugrp.consent != null) && (ugrp.links != null) && ((ugrp.links[mesh._id] != null) || (ugrp.links[node._id] != null))) {
command.consent |= ugrp.consent; // Add user group consent flags
}
}
}
command.username = user.name; // Add user name
command.realname = user.realname; // Add real name
command.userid = user._id; // Add user id
command.remoteaddr = req.clientIp; // User's IP address
if (typeof domain.desktopprivacybartext == 'string') { command.privacybartext = domain.desktopprivacybartext; } // Privacy bar text
parent.parent.multiServer.DispatchMessageSingleServer(command, routing.serverid);
} else { if (func) { func(false); } }
});
} else { if (func) { func(false); } return false; }
}
} else { if (func) { func(false); } return false; }
if (func) { func(true); }
return true;
}
// Route a command to all targets in a mesh
function routeCommandToMesh(meshid, command) {
// If we have peer servers, inform them of this command to send to all agents of this device group
if (parent.parent.multiServer != null) { parent.parent.multiServer.DispatchMessage({ action: 'agentMsgByMeshId', meshid: meshid, command: command }); }
// See if the node is connected
for (var nodeid in parent.wsagents) {
var agent = parent.wsagents[nodeid];
if (agent.dbMeshKey == meshid) { try { agent.send(JSON.stringify(command)); } catch (ex) { } }
}
return true;
}
try {
// Check if the user is logged in
if (user == null) { try { ws.close(); } catch (e) { } return; }
// Check if we have exceeded the user session limit
if ((typeof domain.limits.maxusersessions == 'number') || (typeof domain.limits.maxsingleusersessions == 'number')) {
// Count the number of user sessions for this domain
var domainUserSessionCount = 0, selfUserSessionCount = 0;
for (var i in parent.wssessions2) {
if (parent.wssessions2[i].domainid == domain.id) {
domainUserSessionCount++; if (parent.wssessions2[i].userid == user._id) { selfUserSessionCount++; }
}
}
// Check if we have too many user sessions
if (((typeof domain.limits.maxusersessions == 'number') && (domainUserSessionCount >= domain.limits.maxusersessions)) || ((typeof domain.limits.maxsingleusersessions == 'number') && (selfUserSessionCount >= domain.limits.maxsingleusersessions))) {
ws.send(JSON.stringify({ action: 'stopped', msg: 'Session count exceed' }));
try { ws.close(); } catch (e) { }
return;
}
}
// Associate this websocket session with the web session
ws.userid = user._id;
ws.domainid = domain.id;
ws.clientIp = req.clientIp;
// Create a new session id for this user.
parent.crypto.randomBytes(20, function (err, randombuf) {
ws.sessionId = user._id + '/' + randombuf.toString('hex');
// Add this web socket session to session list
parent.wssessions2[ws.sessionId] = ws;
if (!parent.wssessions[user._id]) { parent.wssessions[user._id] = [ws]; } else { parent.wssessions[user._id].push(ws); }
if (parent.parent.multiServer == null) {
var targets = ['*', 'server-users'];
if (obj.user.groups) { for (var i in obj.user.groups) { targets.push('server-users:' + i); } }
parent.parent.DispatchEvent(targets, obj, { action: 'wssessioncount', userid: user._id, username: user.name, count: parent.wssessions[user._id].length, nolog: 1, domain: domain.id });
} else {
parent.recountSessions(ws.sessionId); // Recount sessions
}
// If we have peer servers, inform them of the new session
if (parent.parent.multiServer != null) { parent.parent.multiServer.DispatchMessage({ action: 'sessionStart', sessionid: ws.sessionId }); }
// Handle events
ws.HandleEvent = function (source, event, ids, id) {
// If this session is logged in using a loginToken and the token is removed, disconnect.
if ((req.session.loginToken != null) && (typeof event == 'object') && (event.action == 'loginTokenChanged') && (event.removed != null) && (event.removed.indexOf(req.session.loginToken) >= 0)) { delete req.session; obj.close(); return; }
// Normally, only allow this user to receive messages from it's own domain.
// If the user is a cross domain administrator, allow some select messages from different domains.
if ((event.domain == null) || (event.domain == domain.id) || ((obj.crossDomain === true) && (allowedCrossDomainMessages.indexOf(event.action) >= 0))) {
try {
if (event == 'close') { try { delete req.session; } catch (ex) { } obj.close(); }
else if (event == 'resubscribe') { user.subscriptions = parent.subscribe(user._id, ws); }
else if (event == 'updatefiles') { updateUserFiles(user, ws, domain); }
else {
// Because of the device group "Show Self Events Only", we need to do more checks here.
if (id.startsWith('mesh/')) {
// Check if we have rights to get this message. If we have limited events on this mesh, don't send the event to the user.
var meshrights = parent.GetMeshRights(user, id);
if ((meshrights === MESHRIGHT_ADMIN) || ((meshrights & MESHRIGHT_LIMITEVENTS) == 0) || (ids.indexOf(user._id) >= 0)) {
// We have the device group rights to see this event or we are directly targetted by the event
ws.send(JSON.stringify({ action: 'event', event: event }));
} else {
// Check if no other users are targeted by the event, if not, we can get this event.
var userTarget = false;
for (var i in ids) { if (ids[i].startsWith('user/')) { userTarget = true; } }
if (userTarget == false) { ws.send(JSON.stringify({ action: 'event', event: event })); }
}
} else if (event.ugrpid != null) {
if ((user.siteadmin & SITERIGHT_USERGROUPS) != 0) {
// If we have the rights to see users in a group, send the group as is.
ws.send(JSON.stringify({ action: 'event', event: event }));
} else {
// We don't have the rights to see otehr users in the user group, remove the links that are not for ourselves.
var links = {};
if (event.links) { for (var i in event.links) { if ((i == user._id) || i.startsWith('mesh/') || i.startsWith('node/')) { links[i] = event.links[i]; } } }
ws.send(JSON.stringify({ action: 'event', event: { ugrpid: event.ugrpid, domain: event.domain, time: event.time, name: event.name, action: event.action, username: event.username, links: links, h: event.h } }));
}
} else {
// This is not a device group event, we can get this event.
ws.send(JSON.stringify({ action: 'event', event: event }));
}
}
} catch (e) { }
}
};
user.subscriptions = parent.subscribe(user._id, ws); // Subscribe to events
try { ws._socket.setKeepAlive(true, 240000); } catch (ex) { } // Set TCP keep alive
// Send current server statistics
obj.SendServerStats = function () {
// Take a look at server stats
var os = require('os');
var stats = { action: 'serverstats', totalmem: os.totalmem(), freemem: os.freemem() };
try { stats.cpuavg = os.loadavg(); } catch (ex) { }
if (parent.parent.platform != 'win32') {
try { stats.availablemem = 1024 * Number(/MemAvailable:[ ]+(\d+)/.exec(fs.readFileSync('/proc/meminfo', 'utf8'))[1]); } catch (ex) { }
}
// Count the number of device groups that are not deleted
var activeDeviceGroups = 0;
for (var i in parent.meshes) { if (parent.meshes[i].deleted == null) { activeDeviceGroups++; } } // This is not ideal for performance, we want to dome something better.
var serverStats = {
UserAccounts: Object.keys(parent.users).length,
DeviceGroups: activeDeviceGroups,
AgentSessions: Object.keys(parent.wsagents).length,
ConnectedUsers: Object.keys(parent.wssessions).length,
UsersSessions: Object.keys(parent.wssessions2).length,
RelaySessions: parent.relaySessionCount,
RelayCount: Object.keys(parent.wsrelays).length
};
if (parent.relaySessionErrorCount != 0) { serverStats.RelayErrors = parent.relaySessionErrorCount; }
if (parent.parent.mpsserver != null) {
serverStats.ConnectedIntelAMT = 0;
for (var i in parent.parent.mpsserver.ciraConnections) { serverStats.ConnectedIntelAMT += parent.parent.mpsserver.ciraConnections[i].length; }
}
// Take a look at agent errors
var agentstats = parent.getAgentStats();
var errorCounters = {}, errorCountersCount = 0;
if (agentstats.meshDoesNotExistCount > 0) { errorCountersCount++; errorCounters.UnknownGroup = agentstats.meshDoesNotExistCount; }
if (agentstats.invalidPkcsSignatureCount > 0) { errorCountersCount++; errorCounters.InvalidPKCSsignature = agentstats.invalidPkcsSignatureCount; }
if (agentstats.invalidRsaSignatureCount > 0) { errorCountersCount++; errorCounters.InvalidRSAsignature = agentstats.invalidRsaSignatureCount; }
if (agentstats.invalidJsonCount > 0) { errorCountersCount++; errorCounters.InvalidJSON = agentstats.invalidJsonCount; }
if (agentstats.unknownAgentActionCount > 0) { errorCountersCount++; errorCounters.UnknownAction = agentstats.unknownAgentActionCount; }
if (agentstats.agentBadWebCertHashCount > 0) { errorCountersCount++; errorCounters.BadWebCertificate = agentstats.agentBadWebCertHashCount; }
if ((agentstats.agentBadSignature1Count + agentstats.agentBadSignature2Count) > 0) { errorCountersCount++; errorCounters.BadSignature = (agentstats.agentBadSignature1Count + agentstats.agentBadSignature2Count); }
if (agentstats.agentMaxSessionHoldCount > 0) { errorCountersCount++; errorCounters.MaxSessionsReached = agentstats.agentMaxSessionHoldCount; }
if ((agentstats.invalidDomainMeshCount + agentstats.invalidDomainMesh2Count) > 0) { errorCountersCount++; errorCounters.UnknownDeviceGroup = (agentstats.invalidDomainMeshCount + agentstats.invalidDomainMesh2Count); }
if ((agentstats.invalidMeshTypeCount + agentstats.invalidMeshType2Count) > 0) { errorCountersCount++; errorCounters.InvalidDeviceGroupType = (agentstats.invalidMeshTypeCount + agentstats.invalidMeshType2Count); }
//if (agentstats.duplicateAgentCount > 0) { errorCountersCount++; errorCounters.DuplicateAgent = agentstats.duplicateAgentCount; }
// Send out the stats
stats.values = { ServerState: serverStats }
if (errorCountersCount > 0) { stats.values.AgentErrorCounters = errorCounters; }
try { ws.send(JSON.stringify(stats)); } catch (ex) { }
}
// When data is received from the web socket
ws.on('message', processWebSocketData);
// If error, do nothing
ws.on('error', function (err) { console.log(err); obj.close(0); });
// If the web socket is closed
ws.on('close', function (req) { obj.close(0); });
// Figure out the MPS port, use the alias if set
var mpsport = ((args.mpsaliasport != null) ? args.mpsaliasport : args.mpsport);
var httpport = ((args.aliasport != null) ? args.aliasport : args.port);
// Build server information object
var serverinfo = { domain: domain.id, name: domain.dns ? domain.dns : parent.certificates.CommonName, mpsname: parent.certificates.AmtMpsName, mpsport: mpsport, mpspass: args.mpspass, port: httpport, emailcheck: ((domain.mailserver != null) && (domain.auth != 'sspi') && (domain.auth != 'ldap') && (args.lanonly != true) && (parent.certificates.CommonName != null) && (parent.certificates.CommonName.indexOf('.') != -1) && (user._id.split('/')[2].startsWith('~') == false)), domainauth: (domain.auth == 'sspi'), serverTime: Date.now() };
serverinfo.languages = parent.renderLanguages;
serverinfo.tlshash = Buffer.from(parent.webCertificateFullHashs[domain.id], 'binary').toString('hex').toUpperCase(); // SHA384 of server HTTPS certificate
serverinfo.agentCertHash = parent.agentCertificateHashBase64;
if ((domain.sessionrecording) && (domain.sessionrecording.onlyselecteddevicegroups === true)) { serverinfo.devGroupSessionRecording = 1; } // Allow enabling of session recording
if ((parent.parent.config.domains[domain.id].amtacmactivation != null) && (parent.parent.config.domains[domain.id].amtacmactivation.acmmatch != null)) {
var matchingDomains = [];
for (var i in parent.parent.config.domains[domain.id].amtacmactivation.acmmatch) {
var cn = parent.parent.config.domains[domain.id].amtacmactivation.acmmatch[i].cn;
if ((cn != '*') && (matchingDomains.indexOf(cn) == -1)) { matchingDomains.push(cn); }
}
if (matchingDomains.length > 0) { serverinfo.amtAcmFqdn = matchingDomains; }
}
if ((typeof domain.altmessenging == 'object') && (typeof domain.altmessenging.name == 'string') && (typeof domain.altmessenging.url == 'string')) { serverinfo.altmessenging = [{ name: domain.altmessenging.name, url: domain.altmessenging.url }]; }
if (typeof domain.devicemeshrouterlinks == 'object') { serverinfo.devicemeshrouterlinks = domain.devicemeshrouterlinks; }
if (Array.isArray(domain.altmessenging)) { serverinfo.altmessenging = []; for (var i in domain.altmessenging) { if ((typeof domain.altmessenging[i] == 'object') && (typeof domain.altmessenging[i].name == 'string') && (typeof domain.altmessenging[i].url == 'string')) { serverinfo.altmessenging.push({ name: domain.altmessenging[i].name, url: domain.altmessenging[i].url }); } } }
serverinfo.https = true;
serverinfo.redirport = args.redirport;
if (parent.parent.webpush != null) { serverinfo.vapidpublickey = parent.parent.webpush.vapidPublicKey; } // Web push public key
if (parent.parent.amtProvisioningServer != null) { serverinfo.amtProvServerMeshId = parent.parent.amtProvisioningServer.meshid; } // Device group that allows for bare-metal Intel AMT activation
// Build the mobile agent URL, this is used to connect mobile devices
var agentServerName = parent.getWebServerName(domain);
if (typeof parent.args.agentaliasdns == 'string') { agentServerName = parent.args.agentaliasdns; }
var xdomain = (domain.dns == null) ? domain.id : '';
var agentHttpsPort = ((parent.args.aliasport == null) ? parent.args.port : parent.args.aliasport); // Use HTTPS alias port is specified
if (parent.args.agentport != null) { agentHttpsPort = parent.args.agentport; } // If an agent only port is enabled, use that.
if (parent.args.agentaliasport != null) { agentHttpsPort = parent.args.agentaliasport; } // If an agent alias port is specified, use that.
serverinfo.magenturl = 'mc://' + agentServerName + ((agentHttpsPort != 443)?(':' + agentHttpsPort):'') + ((xdomain != '')?('/' + xdomain):'');
if (domain.guestdevicesharing === false) { serverinfo.guestdevicesharing = false; }
if (typeof domain.userconsentflags == 'number') { serverinfo.consent = domain.userconsentflags; }
if ((typeof domain.usersessionidletimeout == 'number') && (domain.usersessionidletimeout > 0)) { serverinfo.timeout = (domain.usersessionidletimeout * 60 * 1000); }
if (user.siteadmin === SITERIGHT_ADMIN) {
if (parent.parent.config.settings.managealldevicegroups.indexOf(user._id) >= 0) { serverinfo.manageAllDeviceGroups = true; }
if (obj.crossDomain === true) { serverinfo.crossDomain = []; for (var i in parent.parent.config.domains) { serverinfo.crossDomain.push(i); } }
if (typeof parent.webCertificateExpire[domain.id] == 'number') { serverinfo.certExpire = parent.webCertificateExpire[domain.id]; }
}
if (typeof domain.terminal == 'object') { // Settings used for remote terminal feature
if ((typeof domain.terminal.linuxshell == 'string') && (domain.terminal.linuxshell != 'any')) { serverinfo.linuxshell = domain.terminal.linuxshell; }
}
// Send server information
try { ws.send(JSON.stringify({ action: 'serverinfo', serverinfo: serverinfo })); } catch (ex) { }
// Send user information to web socket, this is the first thing we send
try { ws.send(JSON.stringify({ action: 'userinfo', userinfo: parent.CloneSafeUser(parent.users[user._id]) })); } catch (ex) { }
if (user.siteadmin === SITERIGHT_ADMIN) {
// Check if tracing is allowed for this domain
if ((domain.myserver !== false) && ((domain.myserver == null) || (domain.myserver.trace === true))) {
// Send server tracing information
try { ws.send(JSON.stringify({ action: 'traceinfo', traceSources: parent.parent.debugRemoteSources })); } catch (ex) { }
}
// Send any server warnings if any
var serverWarnings = parent.parent.getServerWarnings();
if (serverWarnings.length > 0) { try { ws.send(JSON.stringify({ action: 'serverwarnings', warnings: serverWarnings })); } catch (ex) { } }
}
// See how many times bad login attempts where made since the last login
const lastLoginTime = parent.users[user._id].pastlogin;
if (lastLoginTime != null) {
db.GetFailedLoginCount(user.name, user.domain, new Date(lastLoginTime * 1000), function (count) {
if (count > 0) { try { ws.send(JSON.stringify({ action: 'msg', type: 'notify', title: "Security Warning", tag: 'ServerNotify', id: Math.random(), value: "There has been " + count + " failed login attempts on this account since the last login.", titleid: 3, msgid: 12, args: [count] })); } catch (ex) { } delete user.pastlogin; }
});
}
// If we are site administrator and Google Drive backup is setup, send out the status.
if ((user.siteadmin === SITERIGHT_ADMIN) && (domain.id == '') && (typeof parent.parent.config.settings.autobackup == 'object') && (typeof parent.parent.config.settings.autobackup.googledrive == 'object')) {
db.Get('GoogleDriveBackup', function (err, docs) {
if (err != null) return;
if (docs.length == 0) { try { ws.send(JSON.stringify({ action: 'serverBackup', service: 'googleDrive', state: 1 })); } catch (ex) { } }
else { try { ws.send(JSON.stringify({ action: 'serverBackup', service: 'googleDrive', state: docs[0].state })); } catch (ex) { } }
});
}
// We are all set, start receiving data
ws._socket.resume();
if (parent.parent.pluginHandler != null) parent.parent.pluginHandler.callHook('hook_userLoggedIn', user);
});
} catch (e) { console.log(e); }
// Process incoming web socket data from the browser
function processWebSocketData(msg) {
var command, i = 0, mesh = null, meshid = null, nodeid = null, meshlinks = null, change = 0;
try { command = JSON.parse(msg.toString('utf8')); } catch (e) { return; }
if (common.validateString(command.action, 3, 32) == false) return; // Action must be a string between 3 and 32 chars
switch (command.action) {
case 'pong': { break; } // NOP
case 'ping': { try { ws.send('{action:"pong"}'); } catch (ex) { } break; }
case 'intersession':
{
// Sends data between sessions of the same user
var sessions = parent.wssessions[obj.user._id];
if (sessions == null) break;
// Create the notification message and send on all sessions except our own (no echo back).
var notification = JSON.stringify(command);
for (var i in sessions) { if (sessions[i] != obj.ws) { try { sessions[i].send(notification); } catch (ex) { } } }
// TODO: Send the message of user sessions connected to other servers.
break;
}
case 'authcookie':
{
// Renew the authentication cookie
try {
ws.send(JSON.stringify({
action: 'authcookie',
cookie: parent.parent.encodeCookie({ userid: user._id, domainid: domain.id, ip: req.clientIp }, parent.parent.loginCookieEncryptionKey),
rcookie: parent.parent.encodeCookie({ ruserid: user._id }, parent.parent.loginCookieEncryptionKey)
}));
} catch (ex) { }
break;
}
case 'logincookie':
{
// If allowed, return a login cookie
if (parent.parent.config.settings.allowlogintoken === true) {
try { ws.send(JSON.stringify({ action: 'logincookie', cookie: parent.parent.encodeCookie({ u: user._id, a: 3 }, parent.parent.loginCookieEncryptionKey) })); } catch (ex) { }
}
break;
}
case 'servertimelinestats':
{
// Only accept if the "My Server" tab is allowed for this domain
if (domain.myserver === false) break;
if ((user.siteadmin & 21) == 0) return; // Only site administrators with "site backup" or "site restore" or "site update" permissions can use this.
if (common.validateInt(command.hours, 0, 24 * 30) == false) return;
db.GetServerStats(command.hours, function (err, docs) {
if (err == null) { try { ws.send(JSON.stringify({ action: 'servertimelinestats', events: docs })); } catch (ex) { } }
});
break;
}
case 'serverstats':
{
// Only accept if the "My Server" tab is allowed for this domain
if (domain.myserver === false) break;
if ((user.siteadmin & 21) == 0) return; // Only site administrators with "site backup" or "site restore" or "site update" permissions can use this.
if (common.validateInt(command.interval, 1000, 1000000) == false) {
// Clear the timer
if (obj.serverStatsTimer != null) { clearInterval(obj.serverStatsTimer); delete obj.serverStatsTimer; }
} else {
// Set the timer
obj.SendServerStats();
obj.serverStatsTimer = setInterval(obj.SendServerStats, command.interval);
}
break;
}
case 'meshes':
{
// Request a list of all meshes this user as rights to
try { ws.send(JSON.stringify({ action: 'meshes', meshes: parent.GetAllMeshWithRights(user).map(parent.CloneSafeMesh), tag: command.tag })); } catch (ex) { }
break;
}
case 'nodes':
{
var links = [], extraids = null, err = null;
// Resolve the device group name if needed
if ((typeof command.meshname == 'string') && (command.meshid == null)) {
for (var i in parent.meshes) {
var m = parent.meshes[i];
if ((m.mtype == 2) && (m.name == command.meshname) && parent.IsMeshViewable(user, m)) {
if (command.meshid == null) { command.meshid = m._id; } else { err = 'Duplicate device groups found'; }
}
}
if (command.meshid == null) { err = 'Invalid group id'; }
}
if (err == null) {
try {
if (command.meshid == null) {
// Request a list of all meshes this user as rights to
links = parent.GetAllMeshIdWithRights(user);
// Add any nodes with direct rights or any nodes with user group direct rights
if (obj.user.links != null) {
for (var i in obj.user.links) {
if (i.startsWith('node/')) { if (extraids == null) { extraids = []; } extraids.push(i); }
else if (i.startsWith('ugrp/')) {
const g = parent.userGroups[i];
if ((g != null) && (g.links != null)) {
for (var j in g.links) { if (j.startsWith('node/')) { if (extraids == null) { extraids = []; } extraids.push(j); } }
}
}
}
}
} else {
// Request list of all nodes for one specific meshid
meshid = command.meshid;
if (common.validateString(meshid, 0, 128) == false) { err = 'Invalid group id'; } else {
if (meshid.split('/').length == 1) { meshid = 'mesh/' + domain.id + '/' + command.meshid; }
if (parent.IsMeshViewable(user, meshid)) { links.push(meshid); } else { err = 'Invalid group id'; }
}
}
} catch (ex) { err = 'Validation exception: ' + ex; }
}
// Handle any errors
if (err != null) {
if (command.responseid != null) { try { ws.send(JSON.stringify({ action: 'nodes', responseid: command.responseid, result: err })); } catch (ex) { } }
break;
}
// Request a list of all nodes
db.GetAllTypeNoTypeFieldMeshFiltered(links, extraids, domain.id, 'node', command.id, function (err, docs) {
if (docs == null) { docs = []; }
parent.common.unEscapeAllLinksFieldName(docs);
var r = {};
for (i in docs) {
// Check device links, if a link points to an unknown user, remove it.
parent.cleanDevice(docs[i]);
// Remove any connectivity and power state information, that should not be in the database anyway.
// TODO: Find why these are sometimes saved in the db.
if (docs[i].conn != null) { delete docs[i].conn; }
if (docs[i].pwr != null) { delete docs[i].pwr; }
if (docs[i].agct != null) { delete docs[i].agct; }
if (docs[i].cict != null) { delete docs[i].cict; }
// Add the connection state
var state = parent.parent.GetConnectivityState(docs[i]._id);
if (state) {
docs[i].conn = state.connectivity;
docs[i].pwr = state.powerState;
if ((state.connectivity & 1) != 0) { var agent = parent.wsagents[docs[i]._id]; if (agent != null) { docs[i].agct = agent.connectTime; } }
// Use the connection time of the CIRA/Relay connection
if ((state.connectivity & 2) != 0) {
var ciraConnection = parent.parent.mpsserver.GetConnectionToNode(docs[i]._id, null, true);
if ((ciraConnection != null) && (ciraConnection.tag != null)) { docs[i].cict = ciraConnection.tag.connectTime; }
}
}
// Compress the meshid's
meshid = docs[i].meshid;
if (!r[meshid]) { r[meshid] = []; }
delete docs[i].meshid;
// Remove push messaging token if present
if (docs[i].pmt != null) { docs[i].pmt = 1; }
// Remove SSH credentials if present
if (docs[i].ssh != null) { docs[i].ssh = 1; }
// Remove RDP credentials if present
if (docs[i].rdp != null) { docs[i].rdp = 1; }
// Remove Intel AMT credential if present
if (docs[i].intelamt != null) {
if (docs[i].intelamt.pass != null) { docs[i].intelamt.pass = 1; }
if (docs[i].intelamt.mpspass != null) { docs[i].intelamt.mpspass = 1; }
}
// If GeoLocation not enabled, remove any node location information
if (domain.geolocation != true) {
if (docs[i].iploc != null) { delete docs[i].iploc; }
if (docs[i].wifiloc != null) { delete docs[i].wifiloc; }
if (docs[i].gpsloc != null) { delete docs[i].gpsloc; }
if (docs[i].userloc != null) { delete docs[i].userloc; }
}
// Add device sessions
const xagent = parent.wsagents[docs[i]._id];
if ((xagent != null) && (xagent.sessions != null)) { docs[i].sessions = xagent.sessions; }
r[meshid].push(docs[i]);
}
try { ws.send(JSON.stringify({ action: 'nodes', responseid: command.responseid, nodes: r, tag: command.tag })); } catch (ex) { }
});
break;
}
case 'powertimeline':
{
// Get the node and the rights for this node
parent.GetNodeWithRights(domain, user, command.nodeid, function (node, rights, visible) {
if (visible == false) return;
// Query the database for the power timeline for a given node
// The result is a compacted array: [ startPowerState, startTimeUTC, powerState ] + many[ deltaTime, powerState ]
db.getPowerTimeline(node._id, function (err, docs) {
if ((err == null) && (docs != null) && (docs.length > 0)) {
var timeline = [], time = null, previousPower;
for (i in docs) {
var doc = docs[i], j = parseInt(i);
doc.time = Date.parse(doc.time);
if (time == null) { // First element
// Skip all starting power 0 events.
if ((doc.power == 0) && ((doc.oldPower == null) || (doc.oldPower == 0))) continue;
time = doc.time;
if (doc.oldPower) { timeline.push(doc.oldPower, time / 1000, doc.power); } else { timeline.push(0, time / 1000, doc.power); }
} else if (previousPower != doc.power) { // Delta element
// If this event is of a short duration (2 minutes or less), skip it.
if ((docs.length > (j + 1)) && ((Date.parse(docs[j + 1].time) - doc.time) < 120000)) continue;
timeline.push((doc.time - time) / 1000, doc.power);
time = doc.time;
}
previousPower = doc.power;
}
try { ws.send(JSON.stringify({ action: 'powertimeline', nodeid: node._id, timeline: timeline, tag: command.tag })); } catch (ex) { }
} else {
// No records found, send current state if we have it
var state = parent.parent.GetConnectivityState(command.nodeid);
if (state != null) { try { ws.send(JSON.stringify({ action: 'powertimeline', nodeid: node._id, timeline: [state.powerState, Date.now(), state.powerState], tag: command.tag })); } catch (ex) { } }
}
});
});
break;
}
case 'getsysinfo':
{
if (common.validateString(command.nodeid, 1, 1024) == false) break; // Check the nodeid
if (command.nodeid.indexOf('/') == -1) { command.nodeid = 'node/' + domain.id + '/' + command.nodeid; }
if ((command.nodeid.split('/').length != 3) || (command.nodeid.split('/')[1] != domain.id)) return; // Invalid domain, operation only valid for current domain
// Get the node and the rights for this node
parent.GetNodeWithRights(domain, user, command.nodeid, function (node, rights, visible) {
if (visible == false) { try { ws.send(JSON.stringify({ action: 'getsysinfo', nodeid: command.nodeid, tag: command.tag, noinfo: true, result: 'Invalid device id' })); } catch (ex) { } return; }
// Query the database system information
db.Get('si' + command.nodeid, function (err, docs) {
if ((docs != null) && (docs.length > 0)) {
var doc = docs[0];
doc.action = 'getsysinfo';
doc.nodeid = node._id;
doc.tag = command.tag;
delete doc.type;
delete doc.domain;
delete doc._id;
if (command.nodeinfo === true) { doc.node = node; doc.rights = rights; }
try { ws.send(JSON.stringify(doc)); } catch (ex) { }
} else {
try { ws.send(JSON.stringify({ action: 'getsysinfo', nodeid: node._id, tag: command.tag, noinfo: true, result: 'Invalid device id' })); } catch (ex) { }
}
});
});
break;
}
case 'lastconnect':
{
if (common.validateString(command.nodeid, 1, 1024) == false) break; // Check the nodeid
if (command.nodeid.indexOf('/') == -1) { command.nodeid = 'node/' + domain.id + '/' + command.nodeid; }
if ((command.nodeid.split('/').length != 3) || (command.nodeid.split('/')[1] != domain.id)) return; // Invalid domain, operation only valid for current domain
// Get the node and the rights for this node
parent.GetNodeWithRights(domain, user, command.nodeid, function (node, rights, visible) {
if (visible == false) { try { ws.send(JSON.stringify({ action: 'lastconnect', nodeid: command.nodeid, tag: command.tag, noinfo: true, result: 'Invalid device id' })); } catch (ex) { } return; }
// Query the database for the last time this node connected
db.Get('lc' + command.nodeid, function (err, docs) {
if ((docs != null) && (docs.length > 0)) {
try { ws.send(JSON.stringify({ action: 'lastconnect', nodeid: command.nodeid, time: docs[0].time, addr: docs[0].addr })); } catch (ex) { }
} else {
try { ws.send(JSON.stringify({ action: 'lastconnect', nodeid: command.nodeid, tag: command.tag, noinfo: true, result: 'No data' })); } catch (ex) { }
}
});
});
break;
}
case 'files':
{
// Send the full list of server files to the browser app
updateUserFiles(user, ws, domain);
break;
}
case 'fileoperation':
{
// Check permissions
if ((user.siteadmin & 8) != 0) {
// Perform a file operation (Create Folder, Delete Folder, Delete File...)
if (common.validateString(command.fileop, 4, 16) == false) return;
var sendUpdate = true, path = meshPathToRealPath(command.path, user); // This will also check access rights
if (path == null) break;
if ((command.fileop == 'createfolder') && (common.IsFilenameValid(command.newfolder) == true)) {
// Create a new folder
try { fs.mkdirSync(path + '/' + command.newfolder); } catch (ex) {
try { fs.mkdirSync(path); } catch (ex) { }
try { fs.mkdirSync(path + '/' + command.newfolder); } catch (ex) { }
}
}
else if (command.fileop == 'delete') {
// Delete a file
if (common.validateArray(command.delfiles, 1) == false) return;
for (i in command.delfiles) {
if (common.IsFilenameValid(command.delfiles[i]) == true) {
var fullpath = parent.path.join(path, command.delfiles[i]);
if (command.rec == true) {
try { deleteFolderRecursive(fullpath); } catch (ex) { } // TODO, make this an async function
} else {
try { fs.rmdirSync(fullpath); } catch (ex) { try { fs.unlinkSync(fullpath); } catch (xe) { } }
}
}
}
// If we deleted something in the mesh root folder and the entire mesh folder is empty, remove it.
if (command.path.length == 1) {
try {
if (command.path[0].startsWith('mesh//')) {
path = meshPathToRealPath([command.path[0]], user);
fs.readdir(path, function (err, dir) { if ((err == null) && (dir.length == 0)) { fs.rmdir(path, function (err) { }); } });
}
} catch (ex) { }
}
}
else if ((command.fileop == 'rename') && (common.IsFilenameValid(command.oldname) === true) && (common.IsFilenameValid(command.newname) === true)) {
// Rename
try { fs.renameSync(path + '/' + command.oldname, path + '/' + command.newname); } catch (e) { }
}
else if ((command.fileop == 'copy') || (command.fileop == 'move')) {
// Copy or move of one or many files
if (common.validateArray(command.names, 1) == false) return;
var scpath = meshPathToRealPath(command.scpath, user); // This will also check access rights
if (scpath == null) break;
// TODO: Check quota if this is a copy!!!!!!!!!!!!!!!!
for (i in command.names) {
if (common.IsFilenameValid(command.names[i]) === true) {
var s = parent.path.join(scpath, command.names[i]), d = parent.path.join(path, command.names[i]);
sendUpdate = false;
copyFile(s, d, function (op) { if (op != null) { fs.unlink(op, function (err) { parent.parent.DispatchEvent([user._id], obj, 'updatefiles'); }); } else { parent.parent.DispatchEvent([user._id], obj, 'updatefiles'); } }, ((command.fileop == 'move') ? s : null));
}
}
}
if (sendUpdate == true) { parent.parent.DispatchEvent([user._id], obj, 'updatefiles'); } // Fire an event causing this user to update this files
}
break;
}
case 'serverconsole':
{
// Do not allow this command when logged in using a login token
if (req.session.loginToken != null) break;
// This is a server console message, only process this if full administrator
if (user.siteadmin != SITERIGHT_ADMIN) break;
// Only accept if the console is allowed for this domain
if ((domain.myserver === false) || ((domain.myserver != null) && (domain.myserver !== true) && (domain.myserver.console !== true))) break;
var r = '';
var cmdargs = splitArgs(command.value);
if (cmdargs.length == 0) break;
const cmd = cmdargs[0].toLowerCase();
cmdargs = parseArgs(cmdargs);
switch (cmd) {
case 'help': {
var fin = '', f = '', availcommands = 'help,maintenance,info,versions,resetserver,usersessions,closeusersessions,tasklimiter,setmaxtasks,cores,migrationagents,agentstats,agentissues,webstats,trafficstats,trafficdelta,mpsstats,swarmstats,acceleratorsstats,updatecheck,serverupdate,nodeconfig,heapdump,relays,autobackup,backupconfig,dupagents,dispatchtable,badlogins,showpaths,le,lecheck,leevents,dbstats,dbcounters,sms,amtacm,certhashes,watchdog,amtmanager,amtpasswords,certexpire,email';
if (parent.parent.config.settings.heapdump === true) { availcommands += ',heapdump'; }
availcommands = availcommands.split(',').sort();
while (availcommands.length > 0) { if (f.length > 80) { fin += (f + ',\r\n'); f = ''; } f += (((f != '') ? ', ' : ' ') + availcommands.shift()); }
if (f != '') { fin += f; }
if (cmdargs['_'].length == 0) {
r = 'Available commands: \r\n' + fin + '\r\nType help <command> for details.';
} else {
var cmd2 = cmdargs['_'][0].toLowerCase();
switch (cmd2) {
case 'info': { r = "info: Returns the most immidiatly useful information about this server, including MeshCentral and NodeJS versions. This is often information required to file a bug."; break; }
case 'versions': { r = "versions: Returns all internal versions for NodeJS running this server."; break; }
case 'resetserver': { r = "resetserver: Causes the server to reset, this is sometimes useful is the config.json file was changed."; break; }
case 'usersessions': { r = "usersessions: Returns a list of active sessions grouped by user."; break; }
case 'closeusersessions': { r = "closeusersessions: Disconnects all sessions for a specified user."; break; }
case 'tasklimiter': { r = "tasklimiter: Returns the internal status of the tasklimiter. This is a system used to smooth out work done by the server. It's used by, for example, agent updates so that not all agents are updated at the same time."; break; }
case 'serverupdate': { r = "serverupdate: Updates server to latest version. Optional version argument to install specific version. Example: serverupdate 0.8.49"; break; }
default: { r = 'No help information about this command.'; break; }
}
}
break;
}
case 'certexpire': {
const now = Date.now();
for (var i in parent.webCertificateExpire) {
const domainName = (i == '') ? '[Default]' : i;
r += domainName + ', expires in ' + Math.floor((parent.webCertificateExpire[i] - now) / 86400000) + ' day(s)\r\n';
}
break;
}
case 'webpush': {
if (parent.parent.webpush == null) {
r = "Web push not supported.";
} else {
if (cmdargs['_'].length != 1) {
r = "Usage: WebPush \"Message\"";
} else {
const pushSubscription = { "endpoint": "https://updates.push.services.mozilla.com/wpush/v2/gAAAAABgIkO9hjXHWhMPiuk-ppNRw7r_pUZitddwCEK4ykdzeIxOIjFnYhIt_nr-qUca2mpZziwQsSEhYTUCiuYrhWnVDRweMtiUj16yJJq8V5jneaEaUYjEIe5jp3DOMNpoTm1aHgX74gCR8uTXSITcM97bNi-hRxcQ4f6Ie4WSAmoXpd89B_g", "keys": { "auth": "UB2sbLVK7ALnSHw5P1dahg", "p256dh": "BIoRbcNSxBuTjN39CCCUCHo1f4NxBJ1YDdu_k4MbPW_q3NK1_RufnydUzLPDp8ibBVItSI72-s48QJvOjQ_S8Ok" } }
parent.parent.webpush.sendNotification(pushSubscription, cmdargs['_'][0]).then(
function (value) { try { ws.send(JSON.stringify({ action: 'OK', value: r, tag: command.tag })); } catch (ex) { } },
function (error) { try { ws.send(JSON.stringify({ action: 'Error', value: r, tag: command.tag })); } catch (ex) { } }
);
}
}
break;
}
case 'amtmanager': {
if (parent.parent.amtManager == null) { r = 'Intel AMT Manager not active.'; } else { r = parent.parent.amtManager.getStatusString(); }
break;
}
case 'certhashes': {
r += 'AgentCertHash: ' + parent.agentCertificateHashHex;
for (var i in parent.webCertificateHashs) { r += '\r\nwebCertificateHash (' + i + '): ' + common.rstr2hex(parent.webCertificateHashs[i]); }
for (var i in parent.webCertificateFullHashs) { r += '\r\nwebCertificateFullHash (' + i + '): ' + common.rstr2hex(parent.webCertificateFullHashs[i]); }
r += '\r\ndefaultWebCertificateHash: ' + common.rstr2hex(parent.defaultWebCertificateHash);
r += '\r\ndefaultWebCertificateFullHash: ' + common.rstr2hex(parent.defaultWebCertificateFullHash);
break;
}
case 'amtacm': {
if ((domain.amtacmactivation == null) || (domain.amtacmactivation.acmmatch == null) || (domain.amtacmactivation.acmmatch.length == 0)) {
r = 'No Intel AMT activation certificates.';
} else {
if (domain.amtacmactivation.log != null) { r += '--- Activation Log ---\r\nFile : ' + domain.amtacmactivation.log + '\r\n'; }
for (var i in domain.amtacmactivation.acmmatch) {
var acmcert = domain.amtacmactivation.acmmatch[i];
r += '--- Activation Certificate ' + (parseInt(i) + 1) + ' ---\r\nName : ' + acmcert.cn + '\r\nSHA1 : ' + acmcert.sha1 + '\r\nSHA256: ' + acmcert.sha256 + '\r\n';
}
}
break;
}
case 'heapdump': {
// Heapdump support, see example at:
// https://www.arbazsiddiqui.me/a-practical-guide-to-memory-leaks-in-nodejs/
if (parent.parent.config.settings.heapdump === true) {
var dumpFileName = parent.path.join(parent.parent.datapath, `heapDump-${Date.now()}.heapsnapshot`);
try { ws.send(JSON.stringify({ action: 'serverconsole', value: "Generating dump file at: " + dumpFileName, tag: command.tag })); } catch (ex) { }
require('heapdump').writeSnapshot(dumpFileName, (err, filename) => {
try { ws.send(JSON.stringify({ action: 'serverconsole', value: "Done.", tag: command.tag })); } catch (ex) { }
});
} else {
r = "Heapdump not supported, add \"heapdump\":true to settings section of config.json.";
}
break;
}
case 'sms': {