/** * @description MeshCentral web server * @author Ylian Saint-Hilaire * @copyright Intel Corporation 2018-2019 * @license Apache-2.0 * @version v0.0.1 */ /*jslint node: true */ /*jshint node: true */ /*jshint strict:false */ /*jshint -W097 */ /*jshint esversion: 6 */ "use strict"; /* class SerialTunnel extends require('stream').Duplex { constructor(options) { super(options); this.forwardwrite = null; } updateBuffer(chunk) { this.push(chunk); } _write(chunk, encoding, callback) { if (this.forwardwrite != null) { this.forwardwrite(chunk); } else { console.err("Failed to fwd _write."); } if (callback) callback(); } // Pass data written to forward _read(size) { } // Push nothing, anything to read should be pushed from updateBuffer() } */ // Older NodeJS does not support the keyword "class", so we do without using this syntax // TODO: Validate that it's the same as above and that it works. function SerialTunnel(options) { var obj = new require('stream').Duplex(options); obj.forwardwrite = null; obj.updateBuffer = function (chunk) { this.push(chunk); }; obj._write = function (chunk, encoding, callback) { if (obj.forwardwrite != null) { obj.forwardwrite(chunk); } else { console.err("Failed to fwd _write."); } if (callback) callback(); }; // Pass data written to forward obj._read = function (size) { }; // Push nothing, anything to read should be pushed from updateBuffer() return obj; } // ExpressJS login sample // https://github.com/expressjs/express/blob/master/examples/auth/index.js // Polyfill startsWith/endsWith for older NodeJS if (!String.prototype.startsWith) { String.prototype.startsWith = function (searchString, position) { position = position || 0; return this.substr(position, searchString.length) === searchString; }; } if (!String.prototype.endsWith) { String.prototype.endsWith = function (searchString, position) { var subjectString = this.toString(); if (typeof position !== 'number' || !isFinite(position) || Math.floor(position) !== position || position > subjectString.length) { position = subjectString.length; } position -= searchString.length; var lastIndex = subjectString.lastIndexOf(searchString, position); return lastIndex !== -1 && lastIndex === position; }; } // Construct a HTTP server object module.exports.CreateWebServer = function (parent, db, args, certificates) { var obj = {}, i = 0; // Modules obj.fs = require('fs'); obj.net = require('net'); obj.tls = require('tls'); obj.path = require('path'); obj.bodyParser = require('body-parser'); obj.session = require('cookie-session'); obj.exphbs = require('express-handlebars'); obj.crypto = require('crypto'); obj.common = require('./common.js'); obj.express = require('express'); obj.meshAgentHandler = require('./meshagent.js'); obj.meshRelayHandler = require('./meshrelay.js'); obj.meshIderHandler = require('./amt/amt-ider.js'); obj.meshUserHandler = require('./meshuser.js'); obj.interceptor = require('./interceptor'); const constants = (obj.crypto.constants ? obj.crypto.constants : require('constants')); // require('constants') is deprecated in Node 11.10, use require('crypto').constants instead. // Setup WebAuthn / FIDO2 obj.webauthn = require("./webauthn.js").CreateWebAuthnModule(); // Variables obj.parent = parent; obj.filespath = parent.filespath; obj.db = db; obj.app = obj.express(); obj.app.use(require('compression')()); obj.tlsServer = null; obj.tcpServer = null; obj.certificates = certificates; obj.args = args; obj.users = {}; obj.meshes = {}; obj.userAllowedIp = args.userallowedip; // List of allowed IP addresses for users obj.agentAllowedIp = args.agentallowedip; // List of allowed IP addresses for agents obj.agentBlockedIp = args.agentblockedip; // List of blocked IP addresses for agents obj.tlsSniCredentials = null; obj.dnsDomains = {}; obj.relaySessionCount = 0; obj.relaySessionErrorCount = 0; obj.renderPages = null; obj.renderLanguages = []; // Mesh Rights const MESHRIGHT_EDITMESH = 1; const MESHRIGHT_MANAGEUSERS = 2; const MESHRIGHT_MANAGECOMPUTERS = 4; const MESHRIGHT_REMOTECONTROL = 8; const MESHRIGHT_AGENTCONSOLE = 16; const MESHRIGHT_SERVERFILES = 32; const MESHRIGHT_WAKEDEVICE = 64; const MESHRIGHT_SETNOTES = 128; // Site rights const SITERIGHT_SERVERBACKUP = 1; const SITERIGHT_MANAGEUSERS = 2; const SITERIGHT_SERVERRESTORE = 4; const SITERIGHT_FILEACCESS = 8; const SITERIGHT_SERVERUPDATE = 16; const SITERIGHT_LOCKED = 32; // Setup SSPI authentication if needed if ((obj.parent.platform == 'win32') && (obj.args.nousers != true) && (obj.parent.config != null) && (obj.parent.config.domains != null)) { for (i in obj.parent.config.domains) { if (obj.parent.config.domains[i].auth == 'sspi') { var nodeSSPI = require('node-sspi'); obj.parent.config.domains[i].sspi = new nodeSSPI({ retrieveGroups: true, offerBasic: false }); } } } // Perform hash on web certificate and agent certificate obj.webCertificateHash = parent.certificateOperations.getPublicKeyHashBinary(obj.certificates.web.cert); obj.webCertificateHashs = { '': obj.webCertificateHash }; obj.webCertificateHashBase64 = Buffer.from(obj.webCertificateHash, 'binary').toString('base64').replace(/\+/g, '@').replace(/\//g, '$'); obj.webCertificateFullHash = parent.certificateOperations.getCertHashBinary(obj.certificates.web.cert); obj.webCertificateFullHashs = { '': obj.webCertificateFullHash }; obj.agentCertificateHashHex = parent.certificateOperations.getPublicKeyHash(obj.certificates.agent.cert); obj.agentCertificateHashBase64 = Buffer.from(obj.agentCertificateHashHex, 'hex').toString('base64').replace(/\+/g, '@').replace(/\//g, '$'); obj.agentCertificateAsn1 = parent.certificateOperations.forge.asn1.toDer(parent.certificateOperations.forge.pki.certificateToAsn1(parent.certificateOperations.forge.pki.certificateFromPem(parent.certificates.agent.cert))).getBytes(); // Compute the hash of all of the web certificates for each domain for (var i in obj.parent.config.domains) { if (obj.parent.config.domains[i].certhash != null) { // If the web certificate hash is provided, use it. obj.webCertificateHashs[i] = obj.webCertificateFullHashs[i] = Buffer.from(obj.parent.config.domains[i].certhash, 'hex').toString('binary'); if (obj.parent.config.domains[i].certkeyhash != null) { obj.webCertificateHashs[i] = Buffer.from(obj.parent.config.domains[i].certkeyhash, 'hex').toString('binary'); } } else if ((obj.parent.config.domains[i].dns != null) && (obj.parent.config.domains[i].certs != null)) { // If the domain has a different DNS name, use a different certificate hash. // Hash the full certificate obj.webCertificateFullHashs[i] = parent.certificateOperations.getCertHashBinary(obj.parent.config.domains[i].certs.cert); try { // Decode a RSA certificate and hash the public key. obj.webCertificateHashs[i] = parent.certificateOperations.getPublicKeyHashBinary(obj.parent.config.domains[i].certs.cert); } catch (ex) { // This may be a ECDSA certificate, hash the entire cert. obj.webCertificateHashs[i] = obj.webCertificateFullHashs[i]; } } else if ((obj.parent.config.domains[i].dns != null) && (obj.certificates.dns[i] != null)) { // If this domain has a DNS and a matching DNS cert, use it. This case works for wildcard certs. obj.webCertificateFullHashs[i] = parent.certificateOperations.getCertHashBinary(obj.certificates.dns[i].cert); obj.webCertificateHashs[i] = parent.certificateOperations.getPublicKeyHashBinary(obj.certificates.dns[i].cert); } else if (i != '') { // For any other domain, use the default cert. obj.webCertificateFullHashs[i] = obj.webCertificateFullHashs['']; obj.webCertificateHashs[i] = obj.webCertificateHashs['']; } } // If we are running the legacy swarm server, compute the hash for that certificate if (parent.certificates.swarmserver != null) { obj.swarmCertificateAsn1 = parent.certificateOperations.forge.asn1.toDer(parent.certificateOperations.forge.pki.certificateToAsn1(parent.certificateOperations.forge.pki.certificateFromPem(parent.certificates.swarmserver.cert))).getBytes(); obj.swarmCertificateHash384 = parent.certificateOperations.forge.pki.getPublicKeyFingerprint(parent.certificateOperations.forge.pki.certificateFromPem(obj.certificates.swarmserver.cert).publicKey, { md: parent.certificateOperations.forge.md.sha384.create(), encoding: 'binary' }); obj.swarmCertificateHash256 = parent.certificateOperations.forge.pki.getPublicKeyFingerprint(parent.certificateOperations.forge.pki.certificateFromPem(obj.certificates.swarmserver.cert).publicKey, { md: parent.certificateOperations.forge.md.sha256.create(), encoding: 'binary' }); } // Main lists obj.wsagents = {}; // NodeId --> Agent obj.wsagentsWithBadWebCerts = {}; // NodeId --> Agent obj.wsagentsDisconnections = {}; obj.wsagentsDisconnectionsTimer = null; obj.duplicateAgentsLog = {}; obj.wssessions = {}; // UserId --> Array Of Sessions obj.wssessions2 = {}; // "UserId + SessionRnd" --> Session (Note that the SessionId is the UserId + / + SessionRnd) obj.wsPeerSessions = {}; // ServerId --> Array Of "UserId + SessionRnd" obj.wsPeerSessions2 = {}; // "UserId + SessionRnd" --> ServerId obj.wsPeerSessions3 = {}; // ServerId --> UserId --> [ SessionId ] obj.sessionsCount = {}; // Merged session counters, used when doing server peering. UserId --> SessionCount obj.wsrelays = {}; // Id -> Relay obj.wsPeerRelays = {}; // Id -> { ServerId, Time } var tlsSessionStore = {}; // Store TLS session information for quick resume. var tlsSessionStoreCount = 0; // Number of cached TLS session information in store. // Setup randoms obj.crypto.randomBytes(48, function (err, buf) { obj.httpAuthRandom = buf; }); obj.crypto.randomBytes(16, function (err, buf) { obj.httpAuthRealm = buf.toString('hex'); }); obj.crypto.randomBytes(48, function (err, buf) { obj.relayRandom = buf; }); // Get non-english pages getRenderList(); // Setup DNS domain TLS SNI credentials { var dnscount = 0; obj.tlsSniCredentials = {}; for (i in obj.certificates.dns) { if (obj.parent.config.domains[i].dns != null) { obj.dnsDomains[obj.parent.config.domains[i].dns.toLowerCase()] = obj.parent.config.domains[i]; obj.tlsSniCredentials[obj.parent.config.domains[i].dns] = obj.tls.createSecureContext(obj.certificates.dns[i]).context; dnscount++; } } if (dnscount > 0) { obj.tlsSniCredentials[''] = obj.tls.createSecureContext({ cert: obj.certificates.web.cert, key: obj.certificates.web.key, ca: obj.certificates.web.ca }).context; } else { obj.tlsSniCredentials = null; } } function TlsSniCallback(name, cb) { var c = obj.tlsSniCredentials[name]; if (c != null) { cb(null, c); } else { cb(null, obj.tlsSniCredentials['']); } } function EscapeHtml(x) { if (typeof x == "string") return x.replace(/&/g, '&').replace(/>/g, '>').replace(//g, '>').replace(/').replace(/\n/g, '').replace(/\t/g, '  '); if (typeof x == "boolean") return x; if (typeof x == "number") return x; } // Fetch all users from the database, keep this in memory obj.db.GetAllType('user', function (err, docs) { var domainUserCount = {}, i = 0; for (i in parent.config.domains) { domainUserCount[i] = 0; } for (i in docs) { var u = obj.users[docs[i]._id] = docs[i]; domainUserCount[u.domain]++; } for (i in parent.config.domains) { if (domainUserCount[i] == 0) { // If newaccounts is set to no new accounts, but no accounts exists, temporarly allow account creation. //if ((parent.config.domains[i].newaccounts === 0) || (parent.config.domains[i].newaccounts === false)) { parent.config.domains[i].newaccounts = 2; } console.log('Server ' + ((i == '') ? '' : (i + ' ')) + 'has no users, next new account will be site administrator.'); } } // Fetch all meshes from the database, keep this in memory obj.db.GetAllType('mesh', function (err, docs) { obj.common.unEscapeAllLinksFieldName(docs); for (var i in docs) { obj.meshes[docs[i]._id] = docs[i]; } // Get all meshes, including deleted ones. // We loaded the users and mesh state, start the server serverStart(); }); }); // Return statistics about this web server obj.getStats = function () { return { users: Object.keys(obj.users).length, meshes: Object.keys(obj.meshes).length, dnsDomains: Object.keys(obj.dnsDomains).length, relaySessionCount: obj.relaySessionCount, relaySessionErrorCount: obj.relaySessionErrorCount, wsagents: Object.keys(obj.wsagents).length, wsagentsDisconnections: Object.keys(obj.wsagentsDisconnections).length, wsagentsDisconnectionsTimer: Object.keys(obj.wsagentsDisconnectionsTimer).length, wssessions: Object.keys(obj.wssessions).length, wssessions2: Object.keys(obj.wssessions2).length, wsPeerSessions: Object.keys(obj.wsPeerSessions).length, wsPeerSessions2: Object.keys(obj.wsPeerSessions2).length, wsPeerSessions3: Object.keys(obj.wsPeerSessions3).length, sessionsCount: Object.keys(obj.sessionsCount).length, wsrelays: Object.keys(obj.wsrelays).length, wsPeerRelays: Object.keys(obj.wsPeerRelays).length, tlsSessionStore: Object.keys(tlsSessionStore).length }; } // Agent counters obj.agentStats = { createMeshAgentCount: 0, agentClose: 0, agentBinaryUpdate: 0, coreIsStableCount: 0, verifiedAgentConnectionCount: 0, clearingCoreCount: 0, updatingCoreCount: 0, recoveryCoreIsStableCount: 0, meshDoesNotExistCount: 0, invalidPkcsSignatureCount: 0, invalidRsaSignatureCount: 0, invalidJsonCount: 0, unknownAgentActionCount: 0, agentBadWebCertHashCount: 0, agentBadSignature1Count: 0, agentBadSignature2Count: 0, agentMaxSessionHoldCount: 0, invalidDomainMeshCount: 0, invalidMeshTypeCount: 0, invalidDomainMesh2Count: 0, invalidMeshType2Count: 0, duplicateAgentCount: 0, maxDomainDevicesReached: 0 } obj.getAgentStats = function () { return obj.agentStats; } // Authenticate the user obj.authenticate = function (name, pass, domain, fn) { if ((typeof (name) != 'string') || (typeof (pass) != 'string') || (typeof (domain) != 'object')) { fn(new Error('invalid fields')); return; } if (!module.parent) console.log('authenticating %s:%s:%s', domain.id, name, pass); if (domain.auth == 'ldap') { if (domain.ldapoptions.url == 'test') { // Fake LDAP login var xxuser = domain.ldapoptions[name.toLowerCase()]; if (xxuser == null) { fn(new Error('invalid password')); return; } else { var username = xxuser['displayName']; if (domain.ldapusername) { username = xxuser[domain.ldapusername]; } var shortname = null; if (domain.ldapuserbinarykey) { // Use a binary key as the userid if (xxuser[domain.ldapuserbinarykey]) { shortname = Buffer.from(xxuser[domain.ldapuserbinarykey], 'binary').toString('hex'); } } else if (domain.ldapuserkey) { // Use a string key as the userid if (xxuser[domain.ldapuserkey]) { shortname = xxuser[domain.ldapuserkey]; } } else { // Use the default key as the userid if (xxuser.objectSid) { shortname = Buffer.from(xxuser.objectSid, 'binary').toString('hex').toLowerCase(); } else if (xxuser.objectGUID) { shortname = Buffer.from(xxuser.objectGUID, 'binary').toString('hex').toLowerCase(); } else if (xxuser.name) { shortname = xxuser.name; } else if (xxuser.cn) { shortname = xxuser.cn; } } if (username == null) { fn(new Error('no user name')); return; } if (shortname == null) { fn(new Error('no user identifier')); return; } var userid = 'user/' + domain.id + '/' + shortname; var user = obj.users[userid]; if (user == null) { // Create a new user var user = { type: 'user', _id: userid, name: username, creation: Math.floor(Date.now() / 1000), login: Math.floor(Date.now() / 1000), domain: domain.id }; if (domain.newaccountsrights) { user.siteadmin = domain.newaccountsrights; } var usercount = 0; for (var i in obj.users) { if (obj.users[i].domain == domain.id) { usercount++; } } if (usercount == 0) { user.siteadmin = 4294967295; /*if (domain.newaccounts === 2) { delete domain.newaccounts; }*/ } // If this is the first user, give the account site admin. obj.users[user._id] = user; obj.db.SetUser(user); var event = { etype: 'user', userid: userid, username: username, account: obj.CloneSafeUser(user), action: 'accountcreate', msg: 'Account created, name is ' + name, domain: domain.id }; if (obj.db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to create the user. Another event will come. obj.parent.DispatchEvent(['*', 'server-users'], obj, event); return fn(null, user._id); } else { // This is an existing user // If the display username has changes, update it. if (user.name != username) { user.name = username; obj.db.SetUser(user); var event = { etype: 'user', userid: userid, username: user.name, account: obj.CloneSafeUser(user), action: 'accountchange', msg: 'Changed account display name to ' + username, domain: domain.id }; if (obj.db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to change the user. Another event will come. parent.DispatchEvent(['*', 'server-users', user._id], obj, event); } // If user is locker out, block here. if ((user.siteadmin) && (user.siteadmin != 0xFFFFFFFF) && (user.siteadmin & 32) != 0) { fn('locked'); return; } return fn(null, user._id); } } } else { // LDAP login var LdapAuth = require('ldapauth-fork'); var ldap = new LdapAuth(domain.ldapoptions); ldap.authenticate(name, pass, function (err, xxuser) { try { ldap.close(); } catch (ex) { console.log(ex); } // Close the LDAP object if (err) { fn(new Error('invalid password')); return; } var shortname = null; var username = xxuser['displayName']; if (domain.ldapusername) { username = xxuser[domain.ldapusername]; } if (domain.ldapuserbinarykey) { // Use a binary key as the userid if (xxuser[domain.ldapuserbinarykey]) { shortname = Buffer.from(xxuser[domain.ldapuserbinarykey], 'binary').toString('hex').toLowerCase(); } } else if (domain.ldapuserkey) { // Use a string key as the userid if (xxuser[domain.ldapuserkey]) { shortname = xxuser[domain.ldapuserkey]; } } else { // Use the default key as the userid if (xxuser.objectSid) { shortname = Buffer.from(xxuser.objectSid, 'binary').toString('hex').toLowerCase(); } else if (xxuser.objectGUID) { shortname = Buffer.from(xxuser.objectGUID, 'binary').toString('hex').toLowerCase(); } else if (xxuser.name) { shortname = xxuser.name; } else if (xxuser.cn) { shortname = xxuser.cn; } } if (username == null) { fn(new Error('no user name')); return; } if (shortname == null) { fn(new Error('no user identifier')); return; } var userid = 'user/' + domain.id + '/' + shortname; var user = obj.users[userid]; if (user == null) { // This user does not exist, create a new account. var user = { type: 'user', _id: userid, name: shortname, creation: Math.floor(Date.now() / 1000), login: Math.floor(Date.now() / 1000), domain: domain.id }; if (domain.newaccountsrights) { user.siteadmin = domain.newaccountsrights; } var usercount = 0; for (var i in obj.users) { if (obj.users[i].domain == domain.id) { usercount++; } } if (usercount == 0) { user.siteadmin = 4294967295; /*if (domain.newaccounts === 2) { delete domain.newaccounts; }*/ } // If this is the first user, give the account site admin. obj.users[user._id] = user; obj.db.SetUser(user); var event = { etype: 'user', userid: user._id, username: user.name, account: obj.CloneSafeUser(user), action: 'accountcreate', msg: 'Account created, name is ' + name, domain: domain.id }; if (obj.db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to create the user. Another event will come. obj.parent.DispatchEvent(['*', 'server-users'], obj, event); return fn(null, user._id); } else { // This is an existing user // If the display username has changes, update it. if (user.name != username) { user.name = username; obj.db.SetUser(user); var event = { etype: 'user', userid: user._id, username: user.name, account: obj.CloneSafeUser(user), action: 'accountchange', msg: 'Changed account display name to ' + username, domain: domain.id }; if (obj.db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to change the user. Another event will come. parent.DispatchEvent(['*', 'server-users', user._id], obj, event); } // If user is locker out, block here. if ((user.siteadmin) && (user.siteadmin != 0xFFFFFFFF) && (user.siteadmin & 32) != 0) { fn('locked'); return; } return fn(null, user._id); } }); } } else { // Regular login var user = obj.users['user/' + domain.id + '/' + name.toLowerCase()]; // Query the db for the given username if (!user) { fn(new Error('cannot find user')); return; } // Apply the same algorithm to the POSTed password, applying the hash against the pass / salt, if there is a match we found the user if (user.salt == null) { fn(new Error('invalid password')); } else { if (user.passtype != null) { // IIS default clear or weak password hashing (SHA-1) require('./pass').iishash(user.passtype, pass, user.salt, function (err, hash) { if (err) return fn(err); if (hash == user.hash) { // Update the password to the stronger format. require('./pass').hash(pass, function (err, salt, hash, tag) { if (err) throw err; user.salt = salt; user.hash = hash; delete user.passtype; obj.db.SetUser(user); }, 0); if ((user.siteadmin) && (user.siteadmin != 0xFFFFFFFF) && (user.siteadmin & 32) != 0) { fn('locked'); return; } return fn(null, user._id); } fn(new Error('invalid password'), null, user.passhint); }); } else { // Default strong password hashing (pbkdf2 SHA384) require('./pass').hash(pass, user.salt, function (err, hash, tag) { if (err) return fn(err); if (hash == user.hash) { if ((user.siteadmin) && (user.siteadmin != 0xFFFFFFFF) && (user.siteadmin & 32) != 0) { fn('locked'); return; } return fn(null, user._id); } fn(new Error('invalid password'), null, user.passhint); }, 0); } } } }; /* obj.restrict = function (req, res, next) { console.log('restrict', req.url); var domain = getDomain(req); if (req.session.userid) { next(); } else { req.session.error = 'Access denied!'; res.redirect(domain.url + 'login'); } }; */ // Check if the source IP address is in the IP list, return false if not. function checkIpAddressEx(req, res, ipList, closeIfThis) { try { var ip; if (req.connection) { // HTTP(S) request ip = req.ip; if (ip) { for (var i = 0; i < ipList.length; i++) { if (require('ipcheck').match(ip, ipList[i])) { if (closeIfThis === true) { res.sendStatus(401); } return true; } } } if (closeIfThis === false) { res.sendStatus(401); } } else if (req._socket) { // WebSocket request ip = req._socket.remoteAddress; // If a trusted reverse-proxy is sending us the remote IP address, use it. // This is not done automatically for web socket like it's done for HTTP requests. if ((obj.args.trustedproxy) && (res.headers['x-forwarded-for']) && ((obj.args.trustedproxy === true) || (obj.args.trustedproxy === ip) || (('::ffff:') + obj.args.trustedproxy === ip))) { ip = res.headers['x-forwarded-for']; } else if ((obj.args.tlsoffload) && (res.headers['x-forwarded-for']) && ((obj.args.tlsoffload === true) || (obj.args.tlsoffload === ip) || (('::ffff:') + obj.args.tlsoffload === ip))) { ip = res.headers['x-forwarded-for']; } if (ip) { for (var i = 0; i < ipList.length; i++) { if (require('ipcheck').match(ip, ipList[i])) { if (closeIfThis === true) { try { req.close(); } catch (e) { } } return true; } } } if (closeIfThis === false) { try { req.close(); } catch (e) { } } } } catch (e) { console.log(e); } // Should never happen return false; } // Check if the source IP address is allowed, return domain if allowed function checkUserIpAddress(req, res) { if ((obj.userBlockedIp != null) && (checkIpAddressEx(req, res, obj.userBlockedIp, true) == true)) { return null; } if ((obj.userAllowedIp != null) && (checkIpAddressEx(req, res, obj.userAllowedIp, false) == false)) { return null; } const domain = (req.url ? getDomain(req) : getDomain(res)); if ((domain.userblockedip != null) && (checkIpAddressEx(req, res, domain.userblockedip, true) == true)) { return null; } if ((domain.userallowedip != null) && (checkIpAddressEx(req, res, domain.userallowedip, false) == false)) { return null; } return domain; } // Check if the source IP address is allowed, return domain if allowed function checkAgentIpAddress(req, res) { if ((obj.agentBlockedIp != null) && (checkIpAddressEx(req, res, obj.agentBlockedIp, null) == true)) { return null; } if ((obj.agentAllowedIp != null) && (checkIpAddressEx(req, res, obj.agentAllowedIp, null) == false)) { return null; } const domain = (req.url ? getDomain(req) : getDomain(res)); if ((domain.agentblockedip != null) && (checkIpAddressEx(req, res, domain.agentblockedip, null) == true)) { return null; } if ((domain.agentallowedip != null) && (checkIpAddressEx(req, res, domain.agentallowedip, null) == false)) { return null; } return domain; } // Return the current domain of the request function getDomain(req) { if (req.xdomain != null) { return req.xdomain; } // Domain already set for this request, return it. if (req.headers.host != null) { var d = obj.dnsDomains[req.headers.host.toLowerCase()]; if (d != null) return d; } // If this is a DNS name domain, return it here. var x = req.url.split('/'); if (x.length < 2) return parent.config.domains['']; var y = parent.config.domains[x[1].toLowerCase()]; if ((y != null) && (y.dns == null)) { return parent.config.domains[x[1].toLowerCase()]; } return parent.config.domains['']; } function handleLogoutRequest(req, res) { const domain = checkUserIpAddress(req, res); if ((domain == null) || (domain.auth == 'sspi')) { parent.debug('web', 'handleLogoutRequest: failed checks.'); res.sendStatus(404); return; } res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0' }); // Destroy the user's session to log them out will be re-created next request if (req.session.userid) { var user = obj.users[req.session.userid]; if (user != null) { obj.parent.DispatchEvent(['*'], obj, { etype: 'user', userid: user._id, username: user.name, action: 'logout', msg: 'Account logout', domain: domain.id }); } } req.session = null; res.redirect(domain.url); parent.debug('web', 'handleLogoutRequest: success.'); } // Return true if this user has 2-step auth active function checkUserOneTimePasswordRequired(domain, user) { return ((parent.config.settings.no2factorauth !== true) && ((user.otpsecret != null) || ((user.otphkeys != null) && (user.otphkeys.length > 0)))); } // Check the 2-step auth token function checkUserOneTimePassword(req, domain, user, token, hwtoken, func) { parent.debug('web', 'checkUserOneTimePassword()'); const twoStepLoginSupported = ((domain.auth != 'sspi') && (obj.parent.certificates.CommonName.indexOf('.') != -1) && (obj.args.nousers !== true) && (parent.config.settings.no2factorauth !== true)); if (twoStepLoginSupported == false) { parent.debug('web', 'checkUserOneTimePassword: not supported.'); func(true); return; }; // Check hardware key if (user.otphkeys && (user.otphkeys.length > 0) && (typeof (hwtoken) == 'string') && (hwtoken.length > 0)) { var authResponse = null; try { authResponse = JSON.parse(hwtoken); } catch (ex) { } if ((authResponse != null) && (authResponse.clientDataJSON)) { // Get all WebAuthn keys var webAuthnKeys = []; for (var i = 0; i < user.otphkeys.length; i++) { if (user.otphkeys[i].type == 3) { webAuthnKeys.push(user.otphkeys[i]); } } if (webAuthnKeys.length > 0) { // Decode authentication response var clientAssertionResponse = { response: {} }; clientAssertionResponse.id = authResponse.id; clientAssertionResponse.rawId = Buffer.from(authResponse.id, 'base64'); clientAssertionResponse.response.authenticatorData = Buffer.from(authResponse.authenticatorData, 'base64'); clientAssertionResponse.response.clientDataJSON = Buffer.from(authResponse.clientDataJSON, 'base64'); clientAssertionResponse.response.signature = Buffer.from(authResponse.signature, 'base64'); clientAssertionResponse.response.userHandle = Buffer.from(authResponse.userHandle, 'base64'); // Look for the key with clientAssertionResponse.id var webAuthnKey = null; for (var i = 0; i < webAuthnKeys.length; i++) { if (webAuthnKeys[i].keyId == clientAssertionResponse.id) { webAuthnKey = webAuthnKeys[i]; } } // If we found a valid key to use, let's validate the response if (webAuthnKey != null) { // Figure out the origin var httpport = ((args.aliasport != null) ? args.aliasport : args.port); var origin = "https://" + (domain.dns ? domain.dns : parent.certificates.CommonName); if (httpport != 443) { origin += ':' + httpport; } var assertionExpectations = { challenge: req.session.u2fchallenge, origin: origin, factor: "either", fmt: "fido-u2f", publicKey: webAuthnKey.publicKey, prevCounter: webAuthnKey.counter, userHandle: Buffer(user._id, 'binary').toString('base64') }; var webauthnResponse = null; try { webauthnResponse = obj.webauthn.verifyAuthenticatorAssertionResponse(clientAssertionResponse.response, assertionExpectations); } catch (ex) { parent.debug('web', 'checkUserOneTimePassword: exception ' + ex); console.log(ex); } if ((webauthnResponse != null) && (webauthnResponse.verified === true)) { // Update the hardware key counter and accept the 2nd factor webAuthnKey.counter = webauthnResponse.counter; obj.db.SetUser(user); parent.debug('web', 'checkUserOneTimePassword: success.'); func(true); } else { parent.debug('web', 'checkUserOneTimePassword: fail.'); func(false); } return; } } } } // Check Google Authenticator const otplib = require('otplib') otplib.authenticator.options = { window: 2 }; // Set +/- 1 minute window if (user.otpsecret && (typeof (token) == 'string') && (token.length == 6) && (otplib.authenticator.check(token, user.otpsecret) == true)) { func(true); return; }; // Check written down keys if ((user.otpkeys != null) && (user.otpkeys.keys != null) && (typeof (token) == 'string') && (token.length == 8)) { var tokenNumber = parseInt(token); for (var i = 0; i < user.otpkeys.keys.length; i++) { if ((tokenNumber === user.otpkeys.keys[i].p) && (user.otpkeys.keys[i].u === true)) { user.otpkeys.keys[i].u = false; func(true); return; } } } // Check OTP hardware key if ((domain.yubikey != null) && (domain.yubikey.id != null) && (domain.yubikey.secret != null) && (user.otphkeys != null) && (user.otphkeys.length > 0) && (typeof (token) == 'string') && (token.length == 44)) { var keyId = token.substring(0, 12); // Find a matching OTP key var match = false; for (var i = 0; i < user.otphkeys.length; i++) { if ((user.otphkeys[i].type === 2) && (user.otphkeys[i].keyid === keyId)) { match = true; } } // If we have a match, check the OTP if (match === true) { var yubikeyotp = require('yubikeyotp'); var request = { otp: token, id: domain.yubikey.id, key: domain.yubikey.secret, timestamp: true } if (domain.yubikey.proxy) { request.requestParams = { proxy: domain.yubikey.proxy }; } yubikeyotp.verifyOTP(request, function (err, results) { func((results != null) && (results.status == 'OK')); }); return; } } parent.debug('web', 'checkUserOneTimePassword: fail (2).'); func(false); } // Return a U2F hardware key challenge function getHardwareKeyChallenge(req, domain, user, func) { if (req.session.u2fchallenge) { delete req.session.u2fchallenge; }; if (user.otphkeys && (user.otphkeys.length > 0)) { // Get all WebAuthn keys var webAuthnKeys = []; for (var i = 0; i < user.otphkeys.length; i++) { if (user.otphkeys[i].type == 3) { webAuthnKeys.push(user.otphkeys[i]); } } if (webAuthnKeys.length > 0) { // Generate a Webauthn challenge, this is really easy, no need to call any modules to do this. var authnOptions = { type: 'webAuthn', keyIds: [], timeout: 60000, challenge: obj.crypto.randomBytes(64).toString('base64') }; for (var i = 0; i < webAuthnKeys.length; i++) { authnOptions.keyIds.push(webAuthnKeys[i].keyId); } req.session.u2fchallenge = authnOptions.challenge; parent.debug('web', 'getHardwareKeyChallenge: success'); func(JSON.stringify(authnOptions)); return; } } parent.debug('web', 'getHardwareKeyChallenge: fail'); func(''); } function handleLoginRequest(req, res, direct) { const domain = checkUserIpAddress(req, res); if (domain == null) { parent.debug('web', 'handleLoginRequest: invalid domain'); res.sendStatus(404); return; } // Normally, use the body username/password. If this is a token, use the username/password in the session. var xusername = req.body.username, xpassword = req.body.password; if ((xusername == null) && (xpassword == null) && (req.body.token != null)) { xusername = req.session.tokenusername; xpassword = req.session.tokenpassword; } // Authenticate the user obj.authenticate(xusername, xpassword, domain, function (err, userid, passhint) { if (userid) { var user = obj.users[userid]; // Check if this user has 2-step login active if ((req.session.loginmode != '6') && checkUserOneTimePasswordRequired(domain, user)) { checkUserOneTimePassword(req, domain, user, req.body.token, req.body.hwtoken, function (result) { if (result == false) { var randomWaitTime = 0; // 2-step auth is required, but the token is not present or not valid. if ((req.body.token != null) || (req.body.hwtoken != null)) { randomWaitTime = 2000 + (obj.crypto.randomBytes(2).readUInt16BE(0) % 4095); // This is a fail, wait a random time. 2 to 6 seconds. req.session.error = 'Invalid token, try again.'; parent.debug('web', 'handleLoginRequest: invalid 2FA token'); } else { parent.debug('web', 'handleLoginRequest: 2FA token required'); } // Wait and redirect the user setTimeout(function () { req.session.loginmode = '4'; req.session.tokenusername = xusername; req.session.tokenpassword = xpassword; if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } }, randomWaitTime); } else { // Login succesful parent.debug('web', 'handleLoginRequest: succesful 2FA login'); completeLoginRequest(req, res, domain, user, userid, xusername, xpassword, direct); } }); return; } // Login succesful parent.debug('web', 'handleLoginRequest: succesful login'); completeLoginRequest(req, res, domain, user, userid, xusername, xpassword, direct); } else { // Login failed, wait a random delay setTimeout(function () { // If the account is locked, display that. if (err == 'locked') { parent.debug('web', 'handleLoginRequest: login failed, locked account'); req.session.error = 'Account locked.'; } else { parent.debug('web', 'handleLoginRequest: login failed, bad username and password'); req.session.error = 'Login failed, check username and password.'; } // Clean up login mode and display password hint if present. delete req.session.loginmode; if ((passhint != null) && (passhint.length > 0)) { req.session.passhint = passhint; } else { delete req.session.passhint; } if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } }, 2000 + (obj.crypto.randomBytes(2).readUInt16BE(0) % 4095)); // Wait for 2 to ~6 seconds. } }); } function completeLoginRequest(req, res, domain, user, userid, xusername, xpassword, direct) { // Check if we need to change the password if ((typeof user.passchange == 'number') && ((user.passchange == -1) || ((typeof domain.passwordrequirements == 'object') && (typeof domain.passwordrequirements.reset == 'number') && (user.passchange + (domain.passwordrequirements.reset * 86400) < Math.floor(Date.now() / 1000))))) { // Request a password change parent.debug('web', 'handleLoginRequest: login ok, password change requested'); req.session.loginmode = '6'; req.session.error = 'Password change requested.'; req.session.resettokenusername = xusername; req.session.resettokenpassword = xpassword; if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } return; } // Save login time user.login = Math.floor(Date.now() / 1000); obj.db.SetUser(user); // Notify account login var targets = ['*', 'server-users']; if (user.groups) { for (var i in user.groups) { targets.push('server-users:' + i); } } obj.parent.DispatchEvent(targets, obj, { etype: 'user', userid: user._id, username: user.name, account: obj.CloneSafeUser(user), action: 'login', msg: 'Account login', domain: domain.id }); // Regenerate session when signing in to prevent fixation //req.session.regenerate(function () { // Store the user's primary key in the session store to be retrieved, or in this case the entire user object // req.session.success = 'Authenticated as ' + user.name + 'click to logout. You may now access /restricted.'; delete req.session.loginmode; delete req.session.tokenusername; delete req.session.tokenpassword; delete req.session.tokenemail; delete req.session.success; delete req.session.error; delete req.session.passhint; req.session.userid = userid; req.session.domainid = domain.id; req.session.currentNode = ''; req.session.ip = req.ip; if (req.body.viewmode) { req.session.viewmode = req.body.viewmode; } if (req.body.host) { // TODO: This is a terrible search!!! FIX THIS. /* obj.db.GetAllType('node', function (err, docs) { for (var i = 0; i < docs.length; i++) { if (docs[i].name == req.body.host) { req.session.currentNode = docs[i]._id; break; } } console.log("CurrentNode: " + req.session.currentNode); // This redirect happens after finding node is completed if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } }); */ parent.debug('web', 'handleLoginRequest: login ok (1)'); if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } // Temporary } else { parent.debug('web', 'handleLoginRequest: login ok (2)'); if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } } //}); } function handleCreateAccountRequest(req, res, direct) { const domain = checkUserIpAddress(req, res); if ((domain == null) || (domain.auth == 'sspi') || (domain.auth == 'ldap')) { parent.debug('web', 'handleCreateAccountRequest: failed checks.'); res.sendStatus(404); return; } // Always lowercase the email address if (req.body.email) { req.body.email = req.body.email.toLowerCase(); } // If the email is the username, set this here. if (domain.usernameisemail) { req.body.username = req.body.email; } // Count the number of users in this domain var domainUserCount = 0; for (var i in obj.users) { if (obj.users[i].domain == domain.id) { domainUserCount++; } } // Check if we are allowed to create new users using the login screen if ((domain.newaccounts !== 1) && (domain.newaccounts !== true) && (domainUserCount > 0)) { parent.debug('web', 'handleCreateAccountRequest: domainUserCount > 1.'); res.sendStatus(401); return; } // Check if this request is for an allows email domain if ((domain.newaccountemaildomains != null) && Array.isArray(domain.newaccountemaildomains)) { var i = -1; if (typeof req.body.email == 'string') { i = req.body.email.indexOf('@'); } if (i == -1) { parent.debug('web', 'handleCreateAccountRequest: unable to create account (1)'); req.session.loginmode = '2'; req.session.error = 'Unable to create account.'; if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } return; } var emailok = false, emaildomain = req.body.email.substring(i + 1).toLowerCase(); for (var i in domain.newaccountemaildomains) { if (emaildomain == domain.newaccountemaildomains[i].toLowerCase()) { emailok = true; } } if (emailok == false) { parent.debug('web', 'handleCreateAccountRequest: unable to create account (2)'); req.session.loginmode = '2'; req.session.error = 'Unable to create account.'; if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } return; } } // Check if we exceed the maximum number of user accounts obj.db.isMaxType(domain.limits.maxuseraccounts, 'user', domain.id, function (maxExceed) { if (maxExceed) { parent.debug('web', 'handleCreateAccountRequest: account limit reached'); req.session.loginmode = '2'; req.session.error = 'Account limit reached.'; if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } } else { if (!obj.common.validateUsername(req.body.username, 1, 64) || !obj.common.validateEmail(req.body.email, 1, 256) || !obj.common.validateString(req.body.password1, 1, 256) || !obj.common.validateString(req.body.password2, 1, 256) || (req.body.password1 != req.body.password2) || req.body.username == '~' || !obj.common.checkPasswordRequirements(req.body.password1, domain.passwordrequirements)) { parent.debug('web', 'handleCreateAccountRequest: unable to create account (3)'); req.session.loginmode = '2'; req.session.error = 'Unable to create account.'; if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } } else { // Check if this email was already verified obj.db.GetUserWithVerifiedEmail(domain.id, req.body.email, function (err, docs) { if (docs.length > 0) { parent.debug('web', 'handleCreateAccountRequest: Existing account with this email address'); req.session.loginmode = '2'; req.session.error = 'Existing account with this email address.'; if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } } else { // Check if there is domain.newAccountToken, check if supplied token is valid if ((domain.newaccountspass != null) && (domain.newaccountspass != '') && (req.body.anewaccountpass != domain.newaccountspass)) { parent.debug('web', 'handleCreateAccountRequest: Invalid account creation token'); req.session.loginmode = '2'; req.session.error = 'Invalid account creation token.'; if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } return; } // Check if user exists if (obj.users['user/' + domain.id + '/' + req.body.username.toLowerCase()]) { parent.debug('web', 'handleCreateAccountRequest: Username already exists'); req.session.loginmode = '2'; req.session.error = 'Username already exists.'; } else { var user = { type: 'user', _id: 'user/' + domain.id + '/' + req.body.username.toLowerCase(), name: req.body.username, email: req.body.email, creation: Math.floor(Date.now() / 1000), login: Math.floor(Date.now() / 1000), domain: domain.id }; if (domain.newaccountsrights) { user.siteadmin = domain.newaccountsrights; } if ((domain.passwordrequirements != null) && (domain.passwordrequirements.hint === true) && (req.body.apasswordhint)) { var hint = req.body.apasswordhint; if (hint.length > 250) { hint = hint.substring(0, 250); } user.passhint = hint; } if (domainUserCount == 0) { user.siteadmin = 4294967295; /*if (domain.newaccounts === 2) { delete domain.newaccounts; }*/ } // If this is the first user, give the account site admin. obj.users[user._id] = user; req.session.userid = user._id; req.session.domainid = domain.id; req.session.ip = req.ip; // Bind this session to the IP address of the request // Create a user, generate a salt and hash the password require('./pass').hash(req.body.password1, function (err, salt, hash, tag) { if (err) throw err; user.salt = salt; user.hash = hash; delete user.passtype; obj.db.SetUser(user); // Send the verification email if ((obj.parent.mailserver != null) && (domain.auth != 'sspi') && (domain.auth != 'ldap') && (obj.common.validateEmail(user.email, 1, 256) == true)) { obj.parent.mailserver.sendAccountCheckMail(domain, user.name, user.email); } }, 0); var event = { etype: 'user', userid: user._id, username: user.name, account: obj.CloneSafeUser(user), action: 'accountcreate', msg: 'Account created, email is ' + req.body.email, domain: domain.id }; if (obj.db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to create the user. Another event will come. obj.parent.DispatchEvent(['*', 'server-users'], obj, event); } if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } } }); } } }); } // Called to process an account password reset function handleResetPasswordRequest(req, res, direct) { const domain = checkUserIpAddress(req, res); // Check everything is ok if ((domain == null) || (domain.auth == 'sspi') || (domain.auth == 'ldap') || (typeof req.body.rpassword1 != 'string') || (typeof req.body.rpassword2 != 'string') || (req.body.rpassword1 != req.body.rpassword2) || (typeof req.body.rpasswordhint != 'string') || (req.session == null) || (typeof req.session.resettokenusername != 'string') || (typeof req.session.resettokenpassword != 'string')) { parent.debug('web', 'handleResetPasswordRequest: checks failed'); delete req.session.loginmode; delete req.session.tokenusername; delete req.session.tokenpassword; delete req.session.resettokenusername; delete req.session.resettokenpassword; delete req.session.tokenemail; delete req.session.success; delete req.session.error; delete req.session.passhint; if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } return; } // Authenticate the user obj.authenticate(req.session.resettokenusername, req.session.resettokenpassword, domain, function (err, userid, passhint) { if (userid) { // Login var user = obj.users[userid]; // If we have password requirements, check this here. if (!obj.common.checkPasswordRequirements(req.body.rpassword1, domain.passwordrequirements)) { parent.debug('web', 'handleResetPasswordRequest: password rejected, use a different one (1)'); req.session.loginmode = '6'; req.session.error = 'Password rejected, use a different one.'; if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } return; } // Check if the password is the same as the previous one require('./pass').hash(req.body.rpassword1, user.salt, function (err, hash, tag) { if (user.hash == hash) { // This is the same password, request a password change again parent.debug('web', 'handleResetPasswordRequest: password rejected, use a different one (2)'); req.session.loginmode = '6'; req.session.error = 'Password rejected, use a different one.'; if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } } else { // Update the password, use a different salt. require('./pass').hash(req.body.rpassword1, function (err, salt, hash, tag) { if (err) throw err; user.salt = salt; user.hash = hash; if ((domain.passwordrequirements != null) && (domain.passwordrequirements.hint === true)) { var hint = req.body.rpasswordhint; if (hint.length > 250) { hint = hint.substring(0, 250); } user.passhint = hint; } else { delete user.passhint; } user.passchange = Math.floor(Date.now() / 1000); delete user.passtype; obj.db.SetUser(user); var event = { etype: 'user', userid: user._id, username: user.name, account: obj.CloneSafeUser(user), action: 'accountchange', msg: 'User password reset', domain: domain.id }; if (obj.db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to change the user. Another event will come. obj.parent.DispatchEvent(['*', 'server-users', user._id], obj, event); // Login succesful parent.debug('web', 'handleResetPasswordRequest: success'); req.session.userid = userid; req.session.domainid = domain.id; req.session.ip = req.ip; // Bind this session to the IP address of the request completeLoginRequest(req, res, domain, obj.users[userid], userid, req.session.tokenusername, req.session.tokenpassword, direct); }, 0); } }, 0); } else { // Failed, error out. parent.debug('web', 'handleResetPasswordRequest: failed authenticate()'); delete req.session.loginmode; delete req.session.tokenusername; delete req.session.tokenpassword; delete req.session.resettokenusername; delete req.session.resettokenpassword; delete req.session.tokenemail; delete req.session.success; delete req.session.error; delete req.session.passhint; if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } return; } }); } // Called to process an account reset request function handleResetAccountRequest(req, res, direct) { const domain = checkUserIpAddress(req, res); if ((domain == null) || (domain.auth == 'sspi') || (domain.auth == 'ldap') || (obj.args.lanonly == true) || (obj.parent.certificates.CommonName == null) || (obj.parent.certificates.CommonName.indexOf('.') == -1)) { parent.debug('web', 'handleResetAccountRequest: check failed'); res.sendStatus(404); return; } // Always lowercase the email address if (req.body.email) { req.body.email = req.body.email.toLowerCase(); } // Get the email from the body or session. var email = req.body.email; if ((email == null) || (email == '')) { email = req.session.tokenemail; } // Check the email string format if (!email || checkEmail(email) == false) { parent.debug('web', 'handleResetAccountRequest: Invalid email'); req.session.loginmode = '3'; req.session.error = 'Invalid email.'; if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } } else { obj.db.GetUserWithVerifiedEmail(domain.id, email, function (err, docs) { if ((err != null) || (docs.length == 0)) { parent.debug('web', 'handleResetAccountRequest: Account not found'); req.session.loginmode = '3'; req.session.error = 'Account not found.'; if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } } else { // If many accounts have the same validated e-mail, we are going to use the first one for display, but sent a reset email for all accounts. var responseSent = false; for (var i in docs) { var user = docs[i]; if (checkUserOneTimePasswordRequired(domain, user) == true) { // Second factor setup, request it now. checkUserOneTimePassword(req, domain, user, req.body.token, req.body.hwtoken, function (result) { if (result == false) { if (i == 0) { // 2-step auth is required, but the token is not present or not valid. parent.debug('web', 'handleResetAccountRequest: Invalid 2FA token, try again'); if ((req.body.token != null) || (req.body.hwtoken != null)) { req.session.error = 'Invalid token, try again.'; } req.session.loginmode = '5'; req.session.tokenemail = email; if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } } } else { // Send email to perform recovery. delete req.session.tokenemail; if (obj.parent.mailserver != null) { obj.parent.mailserver.sendAccountResetMail(domain, user.name, user.email); if (i == 0) { parent.debug('web', 'handleResetAccountRequest: Hold on, reset mail sent.'); req.session.loginmode = '1'; req.session.error = 'Hold on, reset mail sent.'; if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } } } else { if (i == 0) { parent.debug('web', 'handleResetAccountRequest: Unable to sent email.'); req.session.loginmode = '3'; req.session.error = 'Unable to sent email.'; if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } } } } }); } else { // No second factor, send email to perform recovery. if (obj.parent.mailserver != null) { obj.parent.mailserver.sendAccountResetMail(domain, user.name, user.email); if (i == 0) { parent.debug('web', 'handleResetAccountRequest: Hold on, reset mail sent.'); req.session.loginmode = '1'; req.session.error = 'Hold on, reset mail sent.'; if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } } } else { if (i == 0) { parent.debug('web', 'handleResetAccountRequest: Unable to sent email.'); req.session.loginmode = '3'; req.session.error = 'Unable to sent email.'; if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } } } } } } }); } } // Called to process a web based email verification request function handleCheckMailRequest(req, res) { const domain = checkUserIpAddress(req, res); if ((domain == null) || (domain.auth == 'sspi') || (domain.auth == 'ldap')) { parent.debug('web', 'handleCheckMailRequest: failed checks.'); res.sendStatus(404); return; } if (req.query.c != null) { var cookie = obj.parent.decodeCookie(req.query.c, obj.parent.mailserver.mailCookieEncryptionKey, 30); if ((cookie != null) && (cookie.u != null) && (cookie.e != null)) { var idsplit = cookie.u.split('/'); if ((idsplit.length != 2) || (idsplit[0] != domain.id)) { parent.debug('web', 'handleCheckMailRequest: Invalid domain.'); render(req, res, getRenderPage('message', req), { title: domain.title, title2: domain.title2, title3: 'Account Verification', domainurl: domain.url, message: 'ERROR: Invalid domain. Go to login page.' }); } else { obj.db.Get('user/' + cookie.u.toLowerCase(), function (err, docs) { if (docs.length == 0) { parent.debug('web', 'handleCheckMailRequest: Invalid username.'); render(req, res, getRenderPage('message', req), { title: domain.title, title2: domain.title2, title3: 'Account Verification', domainurl: domain.url, message: 'ERROR: Invalid username \"' + EscapeHtml(idsplit[1]) + '\". Go to login page.' }); } else { var user = docs[0]; if (user.email != cookie.e) { parent.debug('web', 'handleCheckMailRequest: Invalid e-mail.'); render(req, res, getRenderPage('message', req), { title: domain.title, title2: domain.title2, title3: 'Account Verification', domainurl: domain.url, message: 'ERROR: Invalid e-mail \"' + EscapeHtml(user.email) + '\" for user \"' + EscapeHtml(user.name) + '\". Go to login page.' }); } else { if (cookie.a == 1) { // Account email verification if (user.emailVerified == true) { parent.debug('web', 'handleCheckMailRequest: email already verified.'); render(req, res, getRenderPage('message', req), { title: domain.title, title2: domain.title2, title3: 'Account Verification', domainurl: domain.url, message: 'E-mail \"' + EscapeHtml(user.email) + '\" for user \"' + EscapeHtml(user.name) + '\" already verified. Go to login page.' }); } else { obj.db.GetUserWithVerifiedEmail(domain.id, user.email, function (err, docs) { if (docs.length > 0) { parent.debug('web', 'handleCheckMailRequest: email already in use.'); render(req, res, getRenderPage('message', req), { title: domain.title, title2: domain.title2, title3: 'Account Verification', domainurl: domain.url, message: 'E-mail \"' + EscapeHtml(user.email) + '\" already in use on a different account. Change the email address and try again. Go to login page.' }); } else { parent.debug('web', 'handleCheckMailRequest: email verification success.'); // Set the verified flag obj.users[user._id].emailVerified = true; user.emailVerified = true; obj.db.SetUser(user); // Event the change var event = { etype: 'user', userid: user._id, username: user.name, account: obj.CloneSafeUser(user), action: 'accountchange', msg: 'Verified email of user ' + EscapeHtml(user.name) + ' (' + EscapeHtml(user.email) + ')', domain: domain.id }; if (obj.db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to change the user. Another event will come. obj.parent.DispatchEvent(['*', 'server-users', user._id], obj, event); // Send the confirmation page render(req, res, getRenderPage('message', req), { title: domain.title, title2: domain.title2, title3: 'Account Verification', domainurl: domain.url, message: 'Verified email ' + EscapeHtml(user.email) + ' for user account ' + EscapeHtml(user.name) + '. Go to login page.' }); // Send a notification obj.parent.DispatchEvent([user._id], obj, { action: 'notify', value: 'Email verified:
' + EscapeHtml(user.email) + '.', nolog: 1 }); } }); } } else if (cookie.a == 2) { // Account reset if (user.emailVerified != true) { parent.debug('web', 'handleCheckMailRequest: email not verified.'); render(req, res, getRenderPage('message', req), { title: domain.title, title2: domain.title2, title3: 'Account Verification', domainurl: domain.url, message: 'E-mail \"' + EscapeHtml(user.email) + '\" for user \"' + EscapeHtml(user.name) + '\" not verified. Go to login page.' }); } else { // Set a temporary password obj.crypto.randomBytes(16, function (err, buf) { var newpass = buf.toString('base64').split('=').join('').split('/').join(''); require('./pass').hash(newpass, function (err, salt, hash, tag) { var userinfo = null; if (err) throw err; // Change the password userinfo = obj.users[user._id]; userinfo.salt = salt; userinfo.hash = hash; delete userinfo.passtype; userinfo.passchange = Math.floor(Date.now() / 1000); delete userinfo.passhint; //delete userinfo.otpsecret; // Currently a email password reset will turn off 2-step login. obj.db.SetUser(userinfo); // Event the change var event = { etype: 'user', userid: user._id, username: userinfo.name, account: obj.CloneSafeUser(userinfo), action: 'accountchange', msg: 'Password reset for user ' + EscapeHtml(user.name), domain: domain.id }; if (obj.db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to change the user. Another event will come. obj.parent.DispatchEvent(['*', 'server-users', user._id], obj, event); // Send the new password render(req, res, getRenderPage('message', req), { title: domain.title, title2: domain.title2, title3: 'Account Verification', domainurl: domain.url, message: '
Password for account ' + EscapeHtml(user.name) + ' has been reset to:
' + EscapeHtml(newpass) + '
Login and go to the \"My Account\" tab to update your password. Go to login page.' }); parent.debug('web', 'handleCheckMailRequest: send temporary password.'); }, 0); }); } } else { render(req, res, getRenderPage('message', req), { title: domain.title, title2: domain.title2, title3: 'Account Verification', domainurl: domain.url, message: 'ERROR: Invalid account check. Go to login page.' }); } } } }); } } else { render(req, res, getRenderPage('message', req), { title: domain.title, title2: domain.title2, title3: 'Account Verification', domainurl: domain.url, message: 'ERROR: Invalid account check, verification url is only valid for 30 minutes. Go to login page.' }); } } } // Called to process an agent invite request function handleAgentInviteRequest(req, res) { const domain = getDomain(req); if ((domain == null) || ((req.query.m == null) && (req.query.c == null))) { parent.debug('web', 'handleAgentInviteRequest: failed checks.'); res.sendStatus(404); return; } if (req.query.c != null) { // A cookie is specified in the query string, use that var cookie = obj.parent.decodeCookie(req.query.c, obj.parent.invitationLinkEncryptionKey); if (cookie == null) { res.sendStatus(404); return; } var mesh = obj.meshes[cookie.mid]; if (mesh == null) { res.sendStatus(404); return; } var installflags = cookie.f; if (typeof installflags != 'number') { installflags = 0; } parent.debug('web', 'handleAgentInviteRequest using cookie.'); render(req, res, getRenderPage('agentinvite', req), { title: domain.title, title2: domain.title2, domainurl: domain.url, meshid: mesh._id.split('/')[2], serverport: ((args.aliasport != null) ? args.aliasport : args.port), serverhttps: ((args.notls == true) ? '0' : '1'), servernoproxy: ((domain.agentnoproxy === true) ? '1' : '0'), meshname: encodeURIComponent(mesh.name), installflags: installflags }); } else if (req.query.m != null) { // The MeshId is specified in the query string, use that var mesh = obj.meshes['mesh/' + domain.id + '/' + req.query.m.toLowerCase()]; if (mesh == null) { res.sendStatus(404); return; } var installflags = 0; if (req.query.f) { installflags = parseInt(req.query.f); } if (typeof installflags != 'number') { installflags = 0; } parent.debug('web', 'handleAgentInviteRequest using meshid.'); render(req, res, getRenderPage('agentinvite', req), { title: domain.title, title2: domain.title2, domainurl: domain.url, meshid: mesh._id.split('/')[2], serverport: ((args.aliasport != null) ? args.aliasport : args.port), serverhttps: ((args.notls == true) ? '0' : '1'), servernoproxy: ((domain.agentnoproxy === true) ? '1' : '0'), meshname: encodeURIComponent(mesh.name), installflags: installflags }); } } function handleDeleteAccountRequest(req, res, direct) { parent.debug('web', 'handleDeleteAccountRequest()'); const domain = checkUserIpAddress(req, res); if ((domain == null) || (domain.auth == 'sspi') || (domain.auth == 'ldap')) { parent.debug('web', 'handleDeleteAccountRequest: failed checks.'); res.sendStatus(404); return; } var user = null; if (req.body.authcookie) { // If a authentication cookie is provided, decode it here var loginCookie = obj.parent.decodeCookie(req.body.authcookie, obj.parent.loginCookieEncryptionKey, 60); // 60 minute timeout if ((loginCookie != null) && (domain.id == loginCookie.domainid)) { user = obj.users[loginCookie.userid]; } } else { // Check if the user is logged and we have all required parameters if (!req.session || !req.session.userid || !req.body.apassword1 || (req.body.apassword1 != req.body.apassword2) || (req.session.domainid != domain.id)) { parent.debug('web', 'handleDeleteAccountRequest: required parameters not present.'); if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } return; } else { user = obj.users[req.session.userid]; } } if (!user) { parent.debug('web', 'handleDeleteAccountRequest: user not found.'); res.sendStatus(404); return; } // Check if the password is correct obj.authenticate(user.name, req.body.apassword1, domain, function (err, userid) { var user = obj.users[userid]; if (user) { // Remove all the mesh links to this user if (user.links != null) { for (var meshid in user.links) { // Get the mesh var mesh = obj.meshes[meshid]; if (mesh) { // Remove user from the mesh if (mesh.links[userid] != null) { delete mesh.links[userid]; obj.db.Set(obj.common.escapeLinksFieldName(mesh)); } // Notify mesh change var change = 'Removed user ' + user.name + ' from group ' + mesh.name; obj.parent.DispatchEvent(['*', mesh._id, user._id, userid], obj, { etype: 'mesh', userid: user._id, username: user.name, meshid: mesh._id, name: mesh.name, mtype: mesh.mtype, desc: mesh.desc, action: 'meshchange', links: mesh.links, msg: change, domain: domain.id }); } } } // Remove notes for this user obj.db.Remove('nt' + user._id); // Remove the user obj.db.Remove(user._id); delete obj.users[user._id]; req.session = null; if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } obj.parent.DispatchEvent(['*', 'server-users'], obj, { etype: 'user', userid: user._id, username: user.name, action: 'accountremove', msg: 'Account removed', domain: domain.id }); parent.debug('web', 'handleDeleteAccountRequest: removed user.'); } else { parent.debug('web', 'handleDeleteAccountRequest: auth failed.'); if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } } }); } // Check a user's password obj.checkUserPassword = function (domain, user, password, func) { // Check the old password if (user.passtype != null) { // IIS default clear or weak password hashing (SHA-1) require('./pass').iishash(user.passtype, password, user.salt, function (err, hash) { if (err) { parent.debug('web', 'checkUserPassword: SHA-1 fail.'); return func(false); } if (hash == user.hash) { if ((user.siteadmin) && (user.siteadmin != 0xFFFFFFFF) && (user.siteadmin & 32) != 0) { parent.debug('web', 'checkUserPassword: SHA-1 locked.'); return func(false); } // Account is locked parent.debug('web', 'checkUserPassword: SHA-1 ok.'); return func(true); // Allow password change } func(false); }); } else { // Default strong password hashing (pbkdf2 SHA384) require('./pass').hash(password, user.salt, function (err, hash, tag) { if (err) { parent.debug('web', 'checkUserPassword: pbkdf2 SHA384 fail.'); return func(false); } if (hash == user.hash) { if ((user.siteadmin) && (user.siteadmin != 0xFFFFFFFF) && (user.siteadmin & 32) != 0) { parent.debug('web', 'checkUserPassword: pbkdf2 SHA384 locked.'); return func(false); } // Account is locked parent.debug('web', 'checkUserPassword: pbkdf2 SHA384 ok.'); return func(true); // Allow password change } func(false); }, 0); } } // Handle password changes function handlePasswordChangeRequest(req, res, direct) { const domain = checkUserIpAddress(req, res); if ((domain == null) || (domain.auth == 'sspi') || (domain.auth == 'ldap')) { parent.debug('web', 'handlePasswordChangeRequest: failed checks (1).'); res.sendStatus(404); return; } // Check if the user is logged and we have all required parameters if (!req.session || !req.session.userid || !req.body.apassword0 || !req.body.apassword1 || (req.body.apassword1 != req.body.apassword2) || (req.session.domainid != domain.id)) { parent.debug('web', 'handlePasswordChangeRequest: failed checks (2).'); if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } return; } // Get the current user var user = obj.users[req.session.userid]; if (!user) { parent.debug('web', 'handlePasswordChangeRequest: user not found.'); if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } return; } // Check old password obj.checkUserPassword(domain, user, req.body.apassword0, function (result) { if (result == true) { // Update the password require('./pass').hash(req.body.apassword1, function (err, salt, hash, tag) { if (err) { parent.debug('web', 'handlePasswordChangeRequest: hash error.'); throw err; } user.salt = salt; user.hash = hash; if ((domain.passwordrequirements != null) && (domain.passwordrequirements.hint === true) && (req.body.apasswordhint)) { var hint = req.body.apasswordhint; if (hint.length > 250) hint = hint.substring(0, 250); user.passhint = hint; } else { delete user.passhint; } user.passchange = Math.floor(Date.now() / 1000); delete user.passtype; obj.db.SetUser(user); req.session.viewmode = 2; if (direct === true) { handleRootRequestEx(req, res, domain); } else { res.redirect(domain.url + getQueryPortion(req)); } obj.parent.DispatchEvent(['*', 'server-users'], obj, { etype: 'user', userid: user._id, username: user.name, action: 'passchange', msg: 'Account password changed: ' + user.name, domain: domain.id }); }, 0); } }); } // Indicates that any request to "/" should render "default" or "login" depending on login state function handleRootRequest(req, res, direct) { const domain = checkUserIpAddress(req, res); if (domain == null) { parent.debug('web', 'handleRootRequest: invalid domain.'); res.sendStatus(404); return; } if (!obj.args) { parent.debug('web', 'handleRootRequest: no obj.args.'); res.sendStatus(500); return; } if ((domain.sspi != null) && ((req.query.login == null) || (obj.parent.loginCookieEncryptionKey == null))) { // Login using SSPI domain.sspi.authenticate(req, res, function (err) { if ((err != null) || (req.connection.user == null)) { parent.debug('web', 'handleRootRequest: SSPI auth required.'); res.end('Authentication Required...'); } else { parent.debug('web', 'handleRootRequest: SSPI auth ok.'); handleRootRequestEx(req, res, domain, direct); } }); } else if (req.query.user && req.query.pass) { // User credentials are being passed in the URL. WARNING: Putting credentials in a URL is not good security... but people are requesting this option. obj.authenticate(req.query.user, req.query.pass, domain, function (err, userid) { parent.debug('web', 'handleRootRequest: user/pass in URL auth ok.'); req.session.userid = userid; req.session.domainid = domain.id; req.session.currentNode = ''; req.session.ip = req.ip; // Bind this session to the IP address of the request handleRootRequestEx(req, res, domain, direct); }); } else { // Login using a different system handleRootRequestEx(req, res, domain, direct); } } function handleRootRequestEx(req, res, domain, direct) { var nologout = false, user = null, features = 0; res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0' }); // Check if we have an incomplete domain name in the path if ((domain.id != '') && (domain.dns == null) && (req.url.split('/').length == 2)) { parent.debug('web', 'handleRootRequestEx: incomplete domain name in the path.'); res.redirect(domain.url + getQueryPortion(req)); // BAD*** return; } if (obj.args.nousers == true) { // If in single user mode, setup things here. if (req.session && req.session.loginmode) { delete req.session.loginmode; } req.session.userid = 'user/' + domain.id + '/~'; req.session.domainid = domain.id; req.session.currentNode = ''; req.session.ip = req.ip; // Bind this session to the IP address of the request if (obj.users[req.session.userid] == null) { // Create the dummy user ~ with impossible password parent.debug('web', 'handleRootRequestEx: created dummy user in nouser mode.'); obj.users[req.session.userid] = { type: 'user', _id: req.session.userid, name: '~', email: '~', domain: domain.id, siteadmin: 4294967295 }; obj.db.SetUser(obj.users[req.session.userid]); } } else if (obj.args.user && obj.users['user/' + domain.id + '/' + obj.args.user.toLowerCase()]) { // If a default user is active, setup the session here. parent.debug('web', 'handleRootRequestEx: auth using default user.'); if (req.session && req.session.loginmode) { delete req.session.loginmode; } req.session.userid = 'user/' + domain.id + '/' + obj.args.user.toLowerCase(); req.session.domainid = domain.id; req.session.currentNode = ''; req.session.ip = req.ip; // Bind this session to the IP address of the request } else if (req.query.login && (obj.parent.loginCookieEncryptionKey != null)) { var loginCookie = obj.parent.decodeCookie(req.query.login, obj.parent.loginCookieEncryptionKey, 60); // 60 minute timeout //if ((loginCookie != null) && (loginCookie.ip != null) && (loginCookie.ip != cleanRemoteAddr(req.ip))) { loginCookie = null; } // If the cookie if binded to an IP address, check here. if ((loginCookie != null) && (loginCookie.a == 3) && (loginCookie.u != null) && (loginCookie.u.split('/')[1] == domain.id)) { // If a login cookie was provided, setup the session here. parent.debug('web', 'handleRootRequestEx: cookie auth ok.'); if (req.session && req.session.loginmode) { delete req.session.loginmode; } req.session.userid = loginCookie.u; req.session.domainid = domain.id; req.session.currentNode = ''; req.session.ip = req.ip; // Bind this session to the IP address of the request } else { parent.debug('web', 'handleRootRequestEx: cookie auth failed.'); } } else if (domain.sspi != null) { // SSPI login (Windows only) //console.log(req.connection.user, req.connection.userSid); if ((req.connection.user == null) || (req.connection.userSid == null)) { parent.debug('web', 'handleRootRequestEx: SSPI no user auth.'); res.sendStatus(404); return; } else { nologout = true; req.session.userid = 'user/' + domain.id + '/' + req.connection.user.toLowerCase(); req.session.usersid = req.connection.userSid; req.session.usersGroups = req.connection.userGroups; req.session.domainid = domain.id; req.session.currentNode = ''; req.session.ip = req.ip; // Bind this session to the IP address of the request // Check if this user exists, create it if not. user = obj.users[req.session.userid]; if ((user == null) || (user.sid != req.session.usersid)) { // Create the domain user var usercount = 0, user2 = { type: 'user', _id: req.session.userid, name: req.connection.user, domain: domain.id, sid: req.session.usersid, creation: Math.floor(Date.now() / 1000), login: Math.floor(Date.now() / 1000) }; if (domain.newaccountsrights) { user2.siteadmin = domain.newaccountsrights; } for (var i in obj.users) { if (obj.users[i].domain == domain.id) { usercount++; } } if (usercount == 0) { user2.siteadmin = 4294967295; } // If this is the first user, give the account site admin. obj.users[req.session.userid] = user2; obj.db.SetUser(user2); var event = { etype: 'user', userid: req.session.userid, username: req.connection.user, account: obj.CloneSafeUser(user2), action: 'accountcreate', msg: 'Domain account created, user ' + req.connection.user, domain: domain.id }; if (obj.db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to create the user. Another event will come. obj.parent.DispatchEvent(['*', 'server-users'], obj, event); parent.debug('web', 'handleRootRequestEx: SSPI new domain user.'); } } } // Figure out the minimal password requirement var passRequirements = null; if (domain.passwordrequirements != null) { if (domain.passrequirementstr == null) { domain.passwordrequirementsstr = encodeURIComponent(JSON.stringify(domain.passwordrequirements)); } passRequirements = domain.passwordrequirementsstr; } // If a user exists and is logged in, serve the default app, otherwise server the login app. if (req.session && req.session.userid && obj.users[req.session.userid]) { var user = obj.users[req.session.userid]; if (req.session.domainid != domain.id) { // Check is the session is for the correct domain parent.debug('web', 'handleRootRequestEx: incorrect domain.'); req.session = null; res.redirect(domain.url + getQueryPortion(req)); // BAD*** return; } // Check if this is a locked account if ((user.siteadmin != null) && ((user.siteadmin & 32) != 0) && (user.siteadmin != 0xFFFFFFFF)) { // Locked account parent.debug('web', 'handleRootRequestEx: locked account.'); delete req.session.userid; delete req.session.domainid; delete req.session.currentNode; delete req.session.passhint; req.session.error = 'Account locked.'; res.redirect(domain.url + getQueryPortion(req)); // BAD*** return; } var viewmode = 1; if (req.session.viewmode) { viewmode = req.session.viewmode; delete req.session.viewmode; } else if (req.query.viewmode) { viewmode = req.query.viewmode; } var currentNode = ''; if (req.session.currentNode) { currentNode = req.session.currentNode; delete req.session.currentNode; } else if (req.query.node) { currentNode = 'node/' + domain.id + '/' + req.query.node; } var logoutcontrol = ''; if (obj.args.nousers != true) { logoutcontrol = 'Welcome ' + user.name + '.'; } // Give the web page a list of supported server features features = 0; if (obj.args.wanonly == true) { features += 0x00000001; } // WAN-only mode if (obj.args.lanonly == true) { features += 0x00000002; } // LAN-only mode if (obj.args.nousers == true) { features += 0x00000004; } // Single user mode if (domain.userQuota == -1) { features += 0x00000008; } // No server files mode if (obj.args.mpstlsoffload) { features += 0x00000010; } // No mutual-auth CIRA if ((parent.config.settings.allowframing == true) || (typeof parent.config.settings.allowframing == 'string')) { features += 0x00000020; } // Allow site within iframe if ((obj.parent.mailserver != null) && (obj.parent.certificates.CommonName != null) && (obj.parent.certificates.CommonName.indexOf('.') != -1) && (obj.args.lanonly != true)) { features += 0x00000040; } // Email invites if (obj.args.webrtc == true) { features += 0x00000080; } // Enable WebRTC (Default false for now) if (obj.args.clickonce !== false) { features += 0x00000100; } // Enable ClickOnce (Default true) if (obj.args.allowhighqualitydesktop == true) { features += 0x00000200; } // Enable AllowHighQualityDesktop (Default false) if (obj.args.lanonly == true || obj.args.mpsport == 0) { features += 0x00000400; } // No CIRA if ((obj.parent.serverSelfWriteAllowed == true) && (user != null) && (user.siteadmin == 0xFFFFFFFF)) { features += 0x00000800; } // Server can self-write (Allows self-update) if ((parent.config.settings.no2factorauth !== true) && (domain.auth != 'sspi') && (obj.parent.certificates.CommonName.indexOf('.') != -1) && (obj.args.nousers !== true)) { features += 0x00001000; } // 2-step login supported if (domain.agentnoproxy === true) { features += 0x00002000; } // Indicates that agents should be installed without using a HTTP proxy if ((parent.config.settings.no2factorauth !== true) && domain.yubikey && domain.yubikey.id && domain.yubikey.secret) { features += 0x00004000; } // Indicates Yubikey support if (domain.geolocation == true) { features += 0x00008000; } // Enable geo-location features if ((domain.passwordrequirements != null) && (domain.passwordrequirements.hint === true)) { features += 0x00010000; } // Enable password hints if (parent.config.settings.no2factorauth !== true) { features += 0x00020000; } // Enable WebAuthn/FIDO2 support if ((obj.args.nousers != true) && (domain.passwordrequirements != null) && (domain.passwordrequirements.force2factor === true)) { features += 0x00040000; } // Force 2-factor auth if ((domain.auth == 'sspi') || (domain.auth == 'ldap')) { features += 0x00080000; } // LDAP or SSPI in use, warn that users must login first before adding a user to a group. if (domain.amtacmactivation) { features += 0x00100000; } // Intel AMT ACM activation/upgrade is possible if (domain.usernameisemail) { features += 0x00200000; } // Username is email address if (parent.mqttbroker != null) { features += 0x00400000; } // This server supports MQTT channels // Create a authentication cookie const authCookie = obj.parent.encodeCookie({ userid: user._id, domainid: domain.id, ip: cleanRemoteAddr(req.ip) }, obj.parent.loginCookieEncryptionKey); const authRelayCookie = obj.parent.encodeCookie({ ruserid: user._id, domainid: domain.id }, obj.parent.loginCookieEncryptionKey); // Send the master web application if ((!obj.args.user) && (obj.args.nousers != true) && (nologout == false)) { logoutcontrol += ' Logout'; } // If a default user is in use or no user mode, don't display the logout button var httpsPort = ((obj.args.aliasport == null) ? obj.args.port : obj.args.aliasport); // Use HTTPS alias port is specified // Clean up the U2F challenge if needed if (req.session.u2fchallenge) { delete req.session.u2fchallenge; }; // Fetch the web state parent.debug('web', 'handleRootRequestEx: success.'); obj.db.Get('ws' + user._id, function (err, states) { var webstate = (states.length == 1) ? obj.filterUserWebState(states[0].state) : ''; render(req, res, getRenderPage('default', req), { authCookie: authCookie, authRelayCookie: authRelayCookie, viewmode: viewmode, currentNode: currentNode, logoutControl: logoutcontrol, title: domain.title, title2: domain.title2, extitle: encodeURIComponent(domain.title), extitle2: encodeURIComponent(domain.title2), domainurl: domain.url, domain: domain.id, debuglevel: parent.debugLevel, serverDnsName: obj.getWebServerName(domain), serverRedirPort: args.redirport, serverPublicPort: httpsPort, noServerBackup: (args.noserverbackup == 1 ? 1 : 0), features: features, sessiontime: args.sessiontime, mpspass: args.mpspass, passRequirements: passRequirements, webcerthash: Buffer.from(obj.webCertificateFullHashs[domain.id], 'binary').toString('base64').replace(/\+/g, '@').replace(/\//g, '$'), footer: (domain.footer == null) ? '' : domain.footer, webstate: encodeURIComponent(webstate), pluginHandler: (parent.pluginHandler == null) ? 'null' : parent.pluginHandler.prepExports() }); }); } else { // Send back the login application // If this is a 2 factor auth request, look for a hardware key challenge. // Normal login 2 factor request if (req.session && (req.session.loginmode == '4') && (req.session.tokenusername)) { var user = obj.users['user/' + domain.id + '/' + req.session.tokenusername.toLowerCase()]; if (user != null) { parent.debug('web', 'handleRootRequestEx: sending 2FA challenge.'); getHardwareKeyChallenge(req, domain, user, function (hwchallenge) { handleRootRequestLogin(req, res, domain, hwchallenge, passRequirements); }); return; } } // Password recovery 2 factor request if (req.session && (req.session.loginmode == '5') && (req.session.tokenemail)) { obj.db.GetUserWithVerifiedEmail(domain.id, req.session.tokenemail, function (err, docs) { if ((err != null) || (docs.length == 0)) { parent.debug('web', 'handleRootRequestEx: password recover 2FA fail.'); req.session = null; res.redirect(domain.url + getQueryPortion(req)); // BAD*** } else { var user = obj.users[docs[0]._id]; if (user != null) { parent.debug('web', 'handleRootRequestEx: password recover 2FA challenge.'); getHardwareKeyChallenge(req, domain, user, function (hwchallenge) { handleRootRequestLogin(req, res, domain, hwchallenge, passRequirements); }); } else { parent.debug('web', 'handleRootRequestEx: password recover 2FA no user.'); req.session = null; res.redirect(domain.url + getQueryPortion(req)); // BAD*** } } }); return; } handleRootRequestLogin(req, res, domain, '', passRequirements); } } function handleRootRequestLogin(req, res, domain, hardwareKeyChallenge, passRequirements) { parent.debug('web', 'handleRootRequestLogin()'); var features = 0; if ((parent.config != null) && (parent.config.settings != null) && ((parent.config.settings.allowframing == true) || (typeof parent.config.settings.allowframing == 'string'))) { features += 32; } // Allow site within iframe if (domain.usernameisemail) { features += 0x00200000; } // Username is email address var httpsPort = ((obj.args.aliasport == null) ? obj.args.port : obj.args.aliasport); // Use HTTPS alias port is specified var loginmode = ''; if (req.session) { loginmode = req.session.loginmode; delete req.session.loginmode; } // Clear this state, if the user hits refresh, we want to go back to the login page. // Format an error message if needed var err = null, msg = null, passhint = null; if (req.session != null) { err = req.session.error; msg = req.session.success; if ((domain.passwordrequirements != null) && (domain.passwordrequirements.hint === true)) { passhint = EscapeHtml(req.session.passhint); } delete req.session.error; delete req.session.success; delete req.session.passhint; } var message = ''; if (err != null) message = '

' + err + '

'; if (msg != null) message = '

' + msg + '

'; var emailcheck = ((obj.parent.mailserver != null) && (obj.parent.certificates.CommonName != null) && (obj.parent.certificates.CommonName.indexOf('.') != -1) && (obj.args.lanonly != true) && (domain.auth != 'sspi') && (domain.auth != 'ldap')) // Check if we are allowed to create new users using the login screen var newAccountsAllowed = true; if ((domain.newaccounts !== 1) && (domain.newaccounts !== true)) { for (var i in obj.users) { if (obj.users[i].domain == domain.id) { newAccountsAllowed = false; break; } } } // Encrypt the hardware key challenge state if needed var hwstate = null; if (hardwareKeyChallenge) { hwstate = obj.parent.encodeCookie({ u: req.session.tokenusername, p: req.session.tokenpassword, c: req.session.u2fchallenge }, obj.parent.loginCookieEncryptionKey) } // Render the login page render(req, res, getRenderPage('login', req), { loginmode: loginmode, rootCertLink: getRootCertLink(), domainurl: domain.url, title: domain.title, title2: domain.title2, newAccount: newAccountsAllowed, newAccountPass: (((domain.newaccountspass == null) || (domain.newaccountspass == '')) ? 0 : 1), serverDnsName: obj.getWebServerName(domain), serverPublicPort: httpsPort, emailcheck: emailcheck, features: features, sessiontime: args.sessiontime, passRequirements: passRequirements, footer: (domain.footer == null) ? '' : domain.footer, hkey: encodeURIComponent(hardwareKeyChallenge), message: message, passhint: passhint, welcometext: domain.welcometext ? encodeURIComponent(domain.welcometext).split('\'').join('\\\'') : null, hwstate: hwstate }); } // Handle a post request on the root function handleRootPostRequest(req, res) { parent.debug('web', 'handleRootPostRequest, action: ' + req.body.action); switch (req.body.action) { case 'login': { handleLoginRequest(req, res, true); break; } case 'tokenlogin': { if (req.body.hwstate) { var cookie = obj.parent.decodeCookie(req.body.hwstate, obj.parent.loginCookieEncryptionKey, 10); if (cookie != null) { req.session.tokenusername = cookie.u; req.session.tokenpassword = cookie.p; req.session.u2fchallenge = cookie.c; } } handleLoginRequest(req, res, true); break; } case 'changepassword': { handlePasswordChangeRequest(req, res, true); break; } case 'deleteaccount': { handleDeleteAccountRequest(req, res, true); break; } case 'createaccount': { handleCreateAccountRequest(req, res, true); break; } case 'resetpassword': { handleResetPasswordRequest(req, res, true); break; } case 'resetaccount': { handleResetAccountRequest(req, res, true); break; } default: { handleLoginRequest(req, res, true); break; } } } // Return true if it looks like we are using a real TLS certificate. obj.isTrustedCert = function(domain) { if (obj.args.notls == true) return false; // We are not using TLS, so not trusted cert. if ((domain != null) && (typeof domain.trustedcert == 'boolean')) return domain.trustedcert; // If the status of the cert specified, use that. if (typeof obj.args.trustedcert == 'boolean') return obj.args.trustedcert; // If the status of the cert specified, use that. if (obj.args.tlsoffload != null) return true; // We are using TLS offload, a real cert is likely used. if (obj.parent.config.letsencrypt != null) return (obj.parent.config.letsencrypt.production === true); // We are using Let's Encrypt, real cert in use if production is set to true. if (obj.certificates.WebIssuer.indexOf('MeshCentralRoot-') == 0) return false; // Our cert is issued by self-signed cert. if (obj.certificates.CommonName.indexOf('.') == -1) return false; // Our cert is named with a fake name return true; // This is a guess } // Get the link to the root certificate if needed function getRootCertLink() { // Check if the HTTPS certificate is issued from MeshCentralRoot, if so, add download link to root certificate. if ((obj.args.notls == null) && (obj.args.tlsoffload == null) && (obj.parent.config.letsencrypt == null) && (obj.tlsSniCredentials == null) && (obj.certificates.WebIssuer.indexOf('MeshCentralRoot-') == 0) && (obj.certificates.CommonName.indexOf('.') != -1)) { return 'Root Certificate'; } return ''; } // Render the terms of service. function handleTermsRequest(req, res) { const domain = checkUserIpAddress(req, res); if (domain == null) { parent.debug('web', 'handleTermsRequest: Bad domain'); res.sendStatus(404); return; } // See if term.txt was loaded from the database if ((parent.configurationFiles != null) && (parent.configurationFiles['terms.txt'] != null)) { // Send the terms from the database res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0' }); if (req.session && req.session.userid) { if (req.session.domainid != domain.id) { req.session = null; res.redirect(domain.url + getQueryPortion(req)); return; } // Check is the session is for the correct domain var user = obj.users[req.session.userid]; var logoutcontrol = 'Welcome ' + user.name + '.'; if ((domain.ldap == null) && (domain.sspi == null) && (obj.args.user == null) && (obj.args.nousers != true)) { logoutcontrol += ' Logout'; } // If a default user is in use or no user mode, don't display the logout button render(req, res, getRenderPage('terms', req), { title: domain.title, title2: domain.title2, domainurl: domain.url, terms: encodeURIComponent(parent.configurationFiles['terms.txt'].toString()), logoutControl: logoutcontrol }); } else { render(req, res, getRenderPage('terms', req), { title: domain.title, title2: domain.title2, domainurl: domain.url, terms: encodeURIComponent(parent.configurationFiles['terms.txt'].toString()) }); } } else { // See if there is a terms.txt file in meshcentral-data var p = obj.path.join(obj.parent.datapath, 'terms.txt'); if (obj.fs.existsSync(p)) { obj.fs.readFile(p, 'utf8', function (err, data) { if (err != null) { parent.debug('web', 'handleTermsRequest: no terms.txt'); res.sendStatus(404); return; } // Send the terms from terms.txt res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0' }); if (req.session && req.session.userid) { if (req.session.domainid != domain.id) { req.session = null; res.redirect(domain.url + getQueryPortion(req)); return; } // Check is the session is for the correct domain var user = obj.users[req.session.userid]; var logoutcontrol = 'Welcome ' + user.name + '.'; if ((domain.ldap == null) && (domain.sspi == null) && (obj.args.user == null) && (obj.args.nousers != true)) { logoutcontrol += ' Logout'; } // If a default user is in use or no user mode, don't display the logout button render(req, res, getRenderPage('terms', req), { title: domain.title, title2: domain.title2, domainurl: domain.url, terms: encodeURIComponent(data), logoutControl: logoutcontrol }); } else { render(req, res, getRenderPage('terms', req), { title: domain.title, title2: domain.title2, domainurl: domain.url, terms: encodeURIComponent(data) }); } }); } else { // Send the default terms parent.debug('web', 'handleTermsRequest: sending default terms'); res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0' }); if (req.session && req.session.userid) { if (req.session.domainid != domain.id) { req.session = null; res.redirect(domain.url + getQueryPortion(req)); return; } // Check is the session is for the correct domain var user = obj.users[req.session.userid]; var logoutcontrol = 'Welcome ' + user.name + '.'; if ((domain.ldap == null) && (domain.sspi == null) && (obj.args.user == null) && (obj.args.nousers != true)) { logoutcontrol += ' Logout'; } // If a default user is in use or no user mode, don't display the logout button render(req, res, getRenderPage('terms', req), { title: domain.title, title2: domain.title2, domainurl: domain.url, logoutControl: logoutcontrol }); } else { render(req, res, getRenderPage('terms', req), { title: domain.title, title2: domain.title2, domainurl: domain.url }); } } } } // Render the messenger application. function handleMessengerRequest(req, res) { const domain = getDomain(req); if (domain == null) { parent.debug('web', 'handleMessengerRequest: no domain'); res.sendStatus(404); return; } parent.debug('web', 'handleMessengerRequest()'); var webRtcConfig = null; if (obj.parent.config.settings && obj.parent.config.settings.webrtconfig && (typeof obj.parent.config.settings.webrtconfig == 'object')) { webRtcConfig = encodeURIComponent(JSON.stringify(obj.parent.config.settings.webrtconfig)); } res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0' }); render(req, res, getRenderPage('messenger', req), { webrtconfig: webRtcConfig, domainurl: domain.url }); } // Returns the server root certificate encoded in base64 function getRootCertBase64() { var rootcert = obj.certificates.root.cert; var i = rootcert.indexOf("-----BEGIN CERTIFICATE-----\r\n"); if (i >= 0) { rootcert = rootcert.substring(i + 29); } i = rootcert.indexOf("-----END CERTIFICATE-----"); if (i >= 0) { rootcert = rootcert.substring(i, 0); } return Buffer.from(rootcert, 'base64').toString('base64'); } // Returns the mesh server root certificate function handleRootCertRequest(req, res) { if ((obj.userAllowedIp != null) && (checkIpAddressEx(req, res, obj.userAllowedIp, false) === false)) { parent.debug('web', 'handleRootCertRequest: invalid ip'); return; } // Check server-wide IP filter only. parent.debug('web', 'handleRootCertRequest()'); try { res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0', 'Content-Type': 'application/octet-stream', 'Content-Disposition': 'attachment; filename="' + certificates.RootName + '.cer"' }); } catch (ex) { res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0', 'Content-Type': 'application/octet-stream', 'Content-Disposition': 'attachment; filename="rootcert.cer"' }); } res.send(Buffer.from(getRootCertBase64(), 'base64')); } // Return the CIRA configuration script obj.getCiraCleanupScript = function (func) { obj.fs.readFile(obj.parent.path.join(obj.parent.webPublicPath, 'scripts/cira_cleanup.mescript'), 'utf8', function (err, data) { if (err != null) { func(null); return; } func(Buffer.from(data)); }); } // Return the CIRA configuration script obj.getCiraConfigurationScript = function (meshid, func) { var meshidx = meshid.split('/')[2].replace(/\@/g, 'X').replace(/\$/g, 'X').substring(0, 16); var serverNameSplit = obj.certificates.AmtMpsName.split('.'); // Figure out the MPS port, use the alias if set var mpsport = ((obj.args.mpsaliasport != null) ? obj.args.mpsaliasport : obj.args.mpsport); if ((serverNameSplit.length == 4) && (parseInt(serverNameSplit[0]) == serverNameSplit[0]) && (parseInt(serverNameSplit[1]) == serverNameSplit[1]) && (parseInt(serverNameSplit[2]) == serverNameSplit[2]) && (parseInt(serverNameSplit[3]) == serverNameSplit[3])) { // Server name is an IPv4 address obj.fs.readFile(obj.parent.path.join(obj.parent.webPublicPath, 'scripts/cira_setup_script_ip.mescript'), 'utf8', function (err, data) { if (err != null) { func(null); return; } var scriptFile = JSON.parse(data); // Change a few things in the script scriptFile.scriptBlocks[2].vars.CertBin.value = getRootCertBase64(); // Set the root certificate scriptFile.scriptBlocks[3].vars.IP.value = obj.certificates.AmtMpsName; // Set the server IPv4 address name scriptFile.scriptBlocks[3].vars.ServerName.value = obj.certificates.AmtMpsName; // Set the server certificate name scriptFile.scriptBlocks[3].vars.Port.value = mpsport; // Set the server MPS port scriptFile.scriptBlocks[3].vars.username.value = meshidx; // Set the username scriptFile.scriptBlocks[3].vars.password.value = obj.args.mpspass ? obj.args.mpspass : 'A@xew9rt'; // Set the password scriptFile.scriptBlocks[4].vars.AccessInfo1.value = obj.certificates.AmtMpsName + ':' + mpsport; // Set the primary server name:port to set periodic timer //scriptFile.scriptBlocks[4].vars.AccessInfo2.value = obj.certificates.AmtMpsName + ':' + mpsport; // Set the secondary server name:port to set periodic timer if (obj.args.ciralocalfqdn != null) { scriptFile.scriptBlocks[6].vars.DetectionStrings.value = obj.args.ciralocalfqdn; } // Set the environment detection local FQDN's // Compile the script var scriptEngine = require('./amtscript.js').CreateAmtScriptEngine(); var runscript = scriptEngine.script_blocksToScript(scriptFile.blocks, scriptFile.scriptBlocks); scriptFile.mescript = Buffer.from(scriptEngine.script_compile(runscript), 'binary').toString('base64'); scriptFile.scriptText = runscript; // Send the script func(Buffer.from(JSON.stringify(scriptFile, null, ' '))); }); } else { // Server name is a hostname obj.fs.readFile(obj.parent.path.join(obj.parent.webPublicPath, 'scripts/cira_setup_script_dns.mescript'), 'utf8', function (err, data) { if (err != null) { res.sendStatus(404); return; } var scriptFile = JSON.parse(data); // Change a few things in the script scriptFile.scriptBlocks[2].vars.CertBin.value = getRootCertBase64(); // Set the root certificate scriptFile.scriptBlocks[3].vars.FQDN.value = obj.certificates.AmtMpsName; // Set the server DNS name scriptFile.scriptBlocks[3].vars.Port.value = mpsport; // Set the server MPS port scriptFile.scriptBlocks[3].vars.username.value = meshidx; // Set the username scriptFile.scriptBlocks[3].vars.password.value = obj.args.mpspass ? obj.args.mpspass : 'A@xew9rt'; // Set the password scriptFile.scriptBlocks[4].vars.AccessInfo1.value = obj.certificates.AmtMpsName + ':' + mpsport; // Set the primary server name:port to set periodic timer //scriptFile.scriptBlocks[4].vars.AccessInfo2.value = obj.certificates.AmtMpsName + ':' + mpsport; // Set the secondary server name:port to set periodic timer if (obj.args.ciralocalfqdn != null) { scriptFile.scriptBlocks[6].vars.DetectionStrings.value = obj.args.ciralocalfqdn; } // Set the environment detection local FQDN's // Compile the script var scriptEngine = require('./amtscript.js').CreateAmtScriptEngine(); var runscript = scriptEngine.script_blocksToScript(scriptFile.blocks, scriptFile.scriptBlocks); scriptFile.mescript = Buffer.from(scriptEngine.script_compile(runscript), 'binary').toString('base64'); scriptFile.scriptText = runscript; // Send the script func(Buffer.from(JSON.stringify(scriptFile, null, ' '))); }); } } // Returns an mescript for Intel AMT configuration function handleMeScriptRequest(req, res) { if ((obj.userAllowedIp != null) && (checkIpAddressEx(req, res, obj.userAllowedIp, false) === false)) { return; } // Check server-wide IP filter only. if (req.query.type == 1) { obj.getCiraConfigurationScript(req.query.meshid, function (script) { if (script == null) { res.sendStatus(404); } else { try { var cirafilename = obj.meshes[req.query.meshid].name.split('\\').join('').split('/').join('').split(':').join('').split('*').join('').split('?').join('').split('"').join('').split('<').join('').split('>').join('').split('|').join('').split(' ').join('').split('\'').join(''); res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0', 'Content-Type': 'application/octet-stream', 'Content-Disposition': 'attachment; filename="cira_setup_' + cirafilename + '.mescript"' }); } catch (ex) { res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0', 'Content-Type': 'application/octet-stream', 'Content-Disposition': 'attachment; filename="cira_setup.mescript"' }); } res.send(script); } }); } else if (req.query.type == 2) { obj.getCiraCleanupScript(function (script) { if (script == null) { res.sendStatus(404); } else { res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0', 'Content-Type': 'application/octet-stream', 'Content-Disposition': 'attachment; filename="cira_cleanup.mescript"' }); res.send(script); } }); } } // Handle user public file downloads function handleDownloadUserFiles(req, res) { const domain = checkUserIpAddress(req, res); if (domain == null) { res.sendStatus(404); return; } if (obj.common.validateString(req.path, 1, 4096) == false) { res.sendStatus(404); return; } var domainname = 'domain', spliturl = decodeURIComponent(req.path).split('/'), filename = ''; if ((spliturl.length < 3) || (obj.common.IsFilenameValid(spliturl[2]) == false) || (domain.userQuota == -1)) { res.sendStatus(404); return; } if (domain.id != '') { domainname = 'domain-' + domain.id; } var path = obj.path.join(obj.filespath, domainname + "/user-" + spliturl[2] + "/Public"); for (var i = 3; i < spliturl.length; i++) { if (obj.common.IsFilenameValid(spliturl[i]) == true) { path += '/' + spliturl[i]; filename = spliturl[i]; } else { res.sendStatus(404); return; } } var stat = null; try { stat = obj.fs.statSync(path); } catch (e) { } if ((stat != null) && ((stat.mode & 0x004000) == 0)) { if (req.query.download == 1) { try { res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0', 'Content-Type': 'application/octet-stream', 'Content-Disposition': 'attachment; filename=\"' + filename + '\"' }); } catch (ex) { res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0', 'Content-Type': 'application/octet-stream', 'Content-Disposition': 'attachment; filename=\"file.bin\"' }); } try { res.sendFile(obj.path.resolve(__dirname, path)); } catch (e) { res.sendStatus(404); } } else { render(req, res, getRenderPage('download', req), { rootCertLink: getRootCertLink(), title: domain.title, title2: domain.title2, domainurl: domain.url, message: "" + filename + ", " + stat.size + " byte" + ((stat.size < 2) ? '' : 's') + "." }); } } else { render(req, res, getRenderPage('download', req), { rootCertLink: getRootCertLink(), title: domain.title, title2: domain.title2, domainurl: domain.url, message: "Invalid file link, please check the URL again." }); } } // Handle logo request function handleLogoRequest(req, res) { const domain = checkUserIpAddress(req, res); res.set({ 'Cache-Control': 'max-age=86400' }); // 1 day if ((domain != null) && domain.titlepicture) { if ((parent.configurationFiles != null) && (parent.configurationFiles[domain.titlepicture] != null)) { // Use the logo in the database res.set({ 'Content-Type': 'image/jpeg' }); res.send(parent.configurationFiles[domain.titlepicture]); return; } else { // Use the logo on file try { res.sendFile(obj.path.join(obj.parent.datapath, domain.titlepicture)); return; } catch (ex) { } } } if (parent.webPublicOverridePath && obj.fs.existsSync(obj.path.join(obj.parent.webPublicOverridePath, 'images/logoback.png'))) { // Use the override logo picture try { res.sendFile(obj.path.join(obj.parent.webPublicOverridePath, 'images/logoback.png')); } catch (ex) { res.sendStatus(404); } } else { // Use the default logo picture try { res.sendFile(obj.path.join(obj.parent.webPublicPath, 'images/logoback.png')); } catch (ex) { res.sendStatus(404); } } } // Handle welcome image request function handleWelcomeImageRequest(req, res) { const domain = checkUserIpAddress(req, res); res.set({ 'Cache-Control': 'max-age=86400' }); // 1 day if ((domain != null) && domain.welcomepicture) { if ((parent.configurationFiles != null) && (parent.configurationFiles[domain.welcomepicture] != null)) { // Use the welcome image in the database res.set({ 'Content-Type': 'image/jpeg' }); res.send(parent.configurationFiles[domain.welcomepicture]); return; } // Use the configured logo picture try { res.sendFile(obj.path.join(obj.parent.datapath, domain.welcomepicture)); return; } catch (ex) { } } if (parent.webPublicOverridePath && obj.fs.existsSync(obj.path.join(obj.parent.webPublicOverridePath, 'images/mainwelcome.jpg'))) { // Use the override logo picture try { res.sendFile(obj.path.join(obj.parent.webPublicOverridePath, 'images/mainwelcome.jpg')); } catch (ex) { res.sendStatus(404); } } else { // Use the default logo picture try { res.sendFile(obj.path.join(obj.parent.webPublicPath, 'images/mainwelcome.jpg')); } catch (ex) { res.sendStatus(404); } } } // Handle domain redirection obj.handleDomainRedirect = function (req, res) { const domain = checkUserIpAddress(req, res); if ((domain == null) || (domain.redirects == null)) { res.sendStatus(404); return; } var urlArgs = '', urlName = null, splitUrl = req.originalUrl.split("?"); if (splitUrl.length > 1) { urlArgs = '?' + splitUrl[1]; } if ((splitUrl.length > 0) && (splitUrl[0].length > 1)) { urlName = splitUrl[0].substring(1).toLowerCase(); } if ((urlName == null) || (domain.redirects[urlName] == null) || (urlName[0] == '_')) { res.sendStatus(404); return; } if (domain.redirects[urlName] == '~showversion') { // Show the current version res.end('MeshCentral v' + obj.parent.currentVer); } else { // Perform redirection res.redirect(domain.redirects[urlName] + urlArgs + getQueryPortion(req)); } } // Take a "user/domain/userid/path/file" format and return the actual server disk file path if access is allowed obj.getServerFilePath = function (user, domain, path) { var splitpath = path.split('/'), serverpath = obj.path.join(obj.filespath, 'domain'), filename = ''; if ((splitpath.length < 3) || (splitpath[0] != 'user' && splitpath[0] != 'mesh') || (splitpath[1] != domain.id)) return null; // Basic validation var objid = splitpath[0] + '/' + splitpath[1] + '/' + splitpath[2]; if (splitpath[0] == 'user' && (objid != user._id)) return null; // User validation, only self allowed if (splitpath[0] == 'mesh') { var link = user.links[objid]; if ((link == null) || (link.rights == null) || ((link.rights & 32) == 0)) { return null; } } // Check mesh server file rights if (splitpath[1] != '') { serverpath += '-' + splitpath[1]; } // Add the domain if needed serverpath += ('/' + splitpath[0] + '-' + splitpath[2]); for (var i = 3; i < splitpath.length; i++) { if (obj.common.IsFilenameValid(splitpath[i]) == true) { serverpath += '/' + splitpath[i]; filename = splitpath[i]; } else { return null; } } // Check that each folder is correct return { fullpath: obj.path.resolve(obj.filespath, serverpath), path: serverpath, name: filename, quota: obj.getQuota(objid, domain) }; }; // Return the maximum number of bytes allowed in the user account "My Files". obj.getQuota = function (objid, domain) { if (objid == null) return 0; if (objid.startsWith('user/')) { var user = obj.users[objid]; if (user == null) return 0; if (user.siteadmin == 0xFFFFFFFF) return null; // Administrators have no user limit if ((user.quota != null) && (typeof user.quota == 'number')) { return user.quota; } if ((domain != null) && (domain.userquota != null) && (typeof domain.userquota == 'number')) { return domain.userquota; } return null; // By default, the user will have no limit } else if (objid.startsWith('mesh/')) { var mesh = obj.meshes[objid]; if (mesh == null) return 0; if ((mesh.quota != null) && (typeof mesh.quota == 'number')) { return mesh.quota; } if ((domain != null) && (domain.meshquota != null) && (typeof domain.meshquota == 'number')) { return domain.meshquota; } return null; // By default, the mesh will have no limit } return 0; }; // Download a file from the server function handleDownloadFile(req, res) { const domain = checkUserIpAddress(req, res); if (domain == null) { res.sendStatus(404); return; } if ((req.query.link == null) || (req.session == null) || (req.session.userid == null) || (domain == null) || (domain.userQuota == -1)) { res.sendStatus(404); return; } const user = obj.users[req.session.userid]; if (user == null) { res.sendStatus(404); return; } const file = obj.getServerFilePath(user, domain, req.query.link); if (file == null) { res.sendStatus(404); return; } try { res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0', 'Content-Type': 'application/octet-stream', 'Content-Disposition': 'attachment; filename=\"' + file.name + '\"' }); } catch (ex) { res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0', 'Content-Type': 'application/octet-stream', 'Content-Disposition': 'attachment; filename=\"file.bin\"' }); } try { res.sendFile(file.fullpath); } catch (e) { res.sendStatus(404); } } // Upload a MeshCore.js file to the server function handleUploadMeshCoreFile(req, res) { const domain = checkUserIpAddress(req, res); if (domain == null) { res.sendStatus(404); return; } if (domain.id !== '') { res.sendStatus(401); return; } var authUserid = null; if ((req.session != null) && (typeof req.session.userid == 'string')) { authUserid = req.session.userid; } const multiparty = require('multiparty'); const form = new multiparty.Form(); form.parse(req, function (err, fields, files) { // If an authentication cookie is embedded in the form, use that. if ((fields != null) && (fields.auth != null) && (fields.auth.length == 1) && (typeof fields.auth[0] == 'string')) { var loginCookie = obj.parent.decodeCookie(fields.auth[0], obj.parent.loginCookieEncryptionKey, 60); // 60 minute timeout if ((loginCookie != null) && (loginCookie.ip != null) && (loginCookie.ip != cleanRemoteAddr(req.ip))) { loginCookie = null; } // Check cookie IP binding. if ((loginCookie != null) && (domain.id == loginCookie.domainid)) { authUserid = loginCookie.userid; } // Use cookie authentication } if (authUserid == null) { res.sendStatus(401); return; } // Get the user const user = obj.users[authUserid]; if (user.siteadmin != 0xFFFFFFFF) { res.sendStatus(401); return; } // Check if we have mesh core upload rights (Full admin only) if ((fields == null) || (fields.attrib == null) || (fields.attrib.length != 1)) { res.sendStatus(404); return; } for (var i in files.files) { var file = files.files[i]; obj.fs.readFile(file.path, 'utf8', function (err, data) { if (err != null) return; data = obj.common.IntToStr(0) + data; // Add the 4 bytes encoding type & flags (Set to 0 for raw) obj.sendMeshAgentCore(user, domain, fields.attrib[0], 'custom', data); // Upload the core try { obj.fs.unlinkSync(file.path); } catch (e) { } }); } res.send(''); }); } // Upload a file to the server function handleUploadFile(req, res) { const domain = checkUserIpAddress(req, res); if (domain == null) { res.sendStatus(404); return; } if (domain.userQuota == -1) { res.sendStatus(401); return; } var authUserid = null; if ((req.session != null) && (typeof req.session.userid == 'string')) { authUserid = req.session.userid; } const multiparty = require('multiparty'); const form = new multiparty.Form(); form.parse(req, function (err, fields, files) { // If an authentication cookie is embedded in the form, use that. if ((fields != null) && (fields.auth != null) && (fields.auth.length == 1) && (typeof fields.auth[0] == 'string')) { var loginCookie = obj.parent.decodeCookie(fields.auth[0], obj.parent.loginCookieEncryptionKey, 60); // 60 minute timeout if ((loginCookie != null) && (loginCookie.ip != null) && (loginCookie.ip != cleanRemoteAddr(req.ip))) { loginCookie = null; } // Check cookie IP binding. if ((loginCookie != null) && (domain.id == loginCookie.domainid)) { authUserid = loginCookie.userid; } // Use cookie authentication } if (authUserid == null) { res.sendStatus(401); return; } // Get the user const user = obj.users[authUserid]; if ((user == null) || (user.siteadmin & 8) == 0) { res.sendStatus(401); return; } // Check if we have file rights if ((fields == null) || (fields.link == null) || (fields.link.length != 1)) { /*console.log('UploadFile, Invalid Fields:', fields, files);*/ console.log('err4'); res.sendStatus(404); return; } var xfile = obj.getServerFilePath(user, domain, decodeURIComponent(fields.link[0])); if (xfile == null) { res.sendStatus(404); return; } // Get total bytes in the path var totalsize = readTotalFileSize(xfile.fullpath); if ((xfile.quota == null) || (totalsize < xfile.quota)) { // Check if the quota is not already broken if (fields.name != null) { // See if we need to create the folder var domainx = 'domain'; if (domain.id.length > 0) { domainx = 'domain-' + usersplit[1]; } try { obj.fs.mkdirSync(obj.parent.filespath); } catch (e) { } try { obj.fs.mkdirSync(obj.parent.path.join(obj.parent.filespath, domainx)); } catch (e) { } try { obj.fs.mkdirSync(xfile.fullpath); } catch (e) { } // Upload method where all the file data is within the fields. var names = fields.name[0].split('*'), sizes = fields.size[0].split('*'), types = fields.type[0].split('*'), datas = fields.data[0].split('*'); if ((names.length == sizes.length) && (types.length == datas.length) && (names.length == types.length)) { for (var i = 0; i < names.length; i++) { if (obj.common.IsFilenameValid(names[i]) == false) { res.sendStatus(404); return; } var filedata = Buffer.from(datas[i].split(',')[1], 'base64'); if ((xfile.quota == null) || ((totalsize + filedata.length) < xfile.quota)) { // Check if quota would not be broken if we add this file // Create the user folder if needed (function (fullpath, filename, filedata) { obj.fs.mkdir(xfile.fullpath, function () { // Write the file obj.fs.writeFile(obj.path.join(xfile.fullpath, filename), filedata, function () { obj.parent.DispatchEvent([user._id], obj, 'updatefiles'); // Fire an event causing this user to update this files }); }); })(xfile.fullpath, names[i], filedata); } } } } else { // More typical upload method, the file data is in a multipart mime post. for (var i in files.files) { var file = files.files[i], fpath = obj.path.join(xfile.fullpath, file.originalFilename); if (obj.common.IsFilenameValid(file.originalFilename) && ((xfile.quota == null) || ((totalsize + file.size) < xfile.quota))) { // Check if quota would not be broken if we add this file // See if we need to create the folder var domainx = 'domain'; if (domain.id.length > 0) { domainx = 'domain-' + domain.id; } try { obj.fs.mkdirSync(obj.parent.filespath); } catch (e) { } try { obj.fs.mkdirSync(obj.parent.path.join(obj.parent.filespath, domainx)); } catch (e) { } try { obj.fs.mkdirSync(xfile.fullpath); } catch (e) { } obj.fs.rename(file.path, fpath, function () { obj.parent.DispatchEvent([user._id], obj, 'updatefiles'); // Fire an event causing this user to update this files }); } else { try { obj.fs.unlink(file.path, function (err) { }); } catch (e) { } } } } } res.send(''); }); } // Subscribe to all events we are allowed to receive obj.subscribe = function (userid, target) { const user = obj.users[userid]; const subscriptions = [userid, 'server-global']; if (user.siteadmin != null) { if (user.siteadmin == 0xFFFFFFFF) subscriptions.push('*'); if ((user.siteadmin & 2) != 0) { if ((user.groups == null) || (user.groups.length == 0)) { // Subscribe to all user changes subscriptions.push('server-users'); } else { // Subscribe to user changes for some groups for (var i in user.groups) { subscriptions.push('server-users:' + i); } } } } if (user.links != null) { for (var i in user.links) { subscriptions.push(i); } } obj.parent.RemoveAllEventDispatch(target); obj.parent.AddEventDispatch(subscriptions, target); return subscriptions; }; // Handle a web socket relay request function handleRelayWebSocket(ws, req, domain, user, cookie) { if (!(req.query.host)) { console.log('ERR: No host target specified'); try { ws.close(); } catch (e) { } return; } // Disconnect websocket parent.debug('web', 'Websocket relay connected from ' + user.name + ' for ' + req.query.host + '.'); try { ws._socket.setKeepAlive(true, 240000); } catch (ex) { } // Set TCP keep alive // Fetch information about the target obj.db.Get(req.query.host, function (err, docs) { if (docs.length == 0) { console.log('ERR: Node not found'); try { ws.close(); } catch (e) { } return; } // Disconnect websocket var node = docs[0]; if (!node.intelamt) { console.log('ERR: Not AMT node'); try { ws.close(); } catch (e) { } return; } // Disconnect websocket // Check if this user has permission to manage this computer var meshlinks = user.links[node.meshid]; if ((!meshlinks) || (!meshlinks.rights) || ((meshlinks.rights & MESHRIGHT_REMOTECONTROL) == 0)) { console.log('ERR: Access denied (2)'); try { ws.close(); } catch (e) { } return; } // Check what connectivity is available for this node var state = parent.GetConnectivityState(req.query.host); var conn = 0; if (!state || state.connectivity == 0) { parent.debug('web', 'ERR: No routing possible (1)'); try { ws.close(); } catch (e) { } return; } else { conn = state.connectivity; } // Check what server needs to handle this connection if ((obj.parent.multiServer != null) && ((cookie == null) || (cookie.ps != 1))) { // If a cookie is provided and is from a peer server, don't allow the connection to jump again to a different server var server = obj.parent.GetRoutingServerId(req.query.host, 2); // Check for Intel CIRA connection if (server != null) { if (server.serverid != obj.parent.serverId) { // Do local Intel CIRA routing using a different server parent.debug('web', 'Route Intel AMT CIRA connection to peer server: ' + server.serverid); obj.parent.multiServer.createPeerRelay(ws, req, server.serverid, user); return; } } else { server = obj.parent.GetRoutingServerId(req.query.host, 4); // Check for local Intel AMT connection if ((server != null) && (server.serverid != obj.parent.serverId)) { // Do local Intel AMT routing using a different server parent.debug('web', 'Route Intel AMT direct connection to peer server: ' + server.serverid); obj.parent.multiServer.createPeerRelay(ws, req, server.serverid, user); return; } } } // Setup session recording if needed if (domain.sessionrecording == true || ((typeof domain.sessionrecording == 'object') && ((domain.sessionrecording.protocols == null) || (domain.sessionrecording.protocols.indexOf((req.query.p == 2) ? 101 : 100) >= 0)))) { // TODO 100 var now = new Date(Date.now()); var recFilename = 'relaysession' + ((domain.id == '') ? '' : '-') + domain.id + '-' + now.getUTCFullYear() + '-' + obj.common.zeroPad(now.getUTCMonth(), 2) + '-' + obj.common.zeroPad(now.getUTCDate(), 2) + '-' + obj.common.zeroPad(now.getUTCHours(), 2) + '-' + obj.common.zeroPad(now.getUTCMinutes(), 2) + '-' + obj.common.zeroPad(now.getUTCSeconds(), 2) + '-' + getRandomPassword() + '.mcrec' var recFullFilename = null; if (domain.sessionrecording.filepath) { try { obj.fs.mkdirSync(domain.sessionrecording.filepath); } catch (e) { } recFullFilename = obj.path.join(domain.sessionrecording.filepath, recFilename); } else { try { obj.fs.mkdirSync(parent.recordpath); } catch (e) { } recFullFilename = obj.path.join(parent.recordpath, recFilename); } var fd = obj.fs.openSync(recFullFilename, 'w'); if (fd != null) { // Write the recording file header var firstBlock = JSON.stringify({ magic: 'MeshCentralRelaySession', ver: 1, userid: user._id, username: user.name, ipaddr: cleanRemoteAddr(req.ip), nodeid: node._id, intelamt: true, protocol: (req.query.p == 2) ? 101 : 100, time: new Date().toLocaleString() }) recordingEntry(fd, 1, 0, firstBlock, function () { }); ws.logfile = { fd: fd, lock: false }; if (req.query.p == 2) { ws.send(Buffer.from(String.fromCharCode(0xF0), 'binary')); } // Intel AMT Redirection: Indicate the session is being recorded } } // If Intel AMT CIRA connection is available, use it if (((conn & 2) != 0) && (parent.mpsserver.ciraConnections[req.query.host] != null)) { parent.debug('web', 'Opening relay CIRA channel connection to ' + req.query.host + '.'); var ciraconn = parent.mpsserver.ciraConnections[req.query.host]; // Compute target port, look at the CIRA port mappings, if non-TLS is allowed, use that, if not use TLS var port = 16993; //if (node.intelamt.tls == 0) port = 16992; // DEBUG: Allow TLS flag to set TLS mode within CIRA if (ciraconn.tag.boundPorts.indexOf(16992) >= 0) port = 16992; // RELEASE: Always use non-TLS mode if available within CIRA if (req.query.p == 2) port += 2; // Setup a new CIRA channel if ((port == 16993) || (port == 16995)) { // Perform TLS - ( TODO: THIS IS BROKEN on Intel AMT v7 but works on v10, Not sure why. Well, could be broken TLS 1.0 in firmware ) var ser = new SerialTunnel(); var chnl = parent.mpsserver.SetupCiraChannel(ciraconn, port); // Let's chain up the TLSSocket <-> SerialTunnel <-> CIRA APF (chnl) // Anything that needs to be forwarded by SerialTunnel will be encapsulated by chnl write ser.forwardwrite = function (msg) { // TLS ---> CIRA chnl.write(msg.toString('binary')); }; // When APF tunnel return something, update SerialTunnel buffer chnl.onData = function (ciraconn, data) { // CIRA ---> TLS parent.debug('webrelay', 'Relay TLS CIRA data', data.length); if (data.length > 0) { try { ser.updateBuffer(Buffer.from(data, 'binary')); } catch (e) { } } }; // Handle CIRA tunnel state change chnl.onStateChange = function (ciraconn, state) { parent.debug('webrelay', 'Relay TLS CIRA state change', state); if (state == 0) { try { ws.close(); } catch (e) { } } }; // TLSSocket to encapsulate TLS communication, which then tunneled via SerialTunnel an then wrapped through CIRA APF const TLSSocket = require('tls').TLSSocket; const tlsoptions = { secureProtocol: ((req.query.tls1only == 1) ? 'TLSv1_method' : 'SSLv23_method'), ciphers: 'RSA+AES:!aNULL:!MD5:!DSS', secureOptions: constants.SSL_OP_NO_SSLv2 | constants.SSL_OP_NO_SSLv3 | constants.SSL_OP_NO_COMPRESSION | constants.SSL_OP_CIPHER_SERVER_PREFERENCE, rejectUnauthorized: false }; const tlsock = new TLSSocket(ser, tlsoptions); tlsock.on('error', function (err) { parent.debug('webrelay', "CIRA TLS Connection Error ", err); }); tlsock.on('secureConnect', function () { parent.debug('webrelay', "CIRA Secure TLS Connection"); ws._socket.resume(); }); // Decrypted tunnel from TLS communcation to be forwarded to websocket tlsock.on('data', function (data) { // AMT/TLS ---> WS try { data = data.toString('binary'); if (ws.interceptor) { data = ws.interceptor.processAmtData(data); } // Run data thru interceptor //ws.send(Buffer.from(data, 'binary')); ws.send(data); } catch (e) { } }); // If TLS is on, forward it through TLSSocket ws.forwardclient = tlsock; ws.forwardclient.xtls = 1; } else { // Without TLS ws.forwardclient = parent.mpsserver.SetupCiraChannel(ciraconn, port); ws.forwardclient.xtls = 0; ws._socket.resume(); } // When data is received from the web socket, forward the data into the associated CIRA cahnnel. // If the CIRA connection is pending, the CIRA channel has built-in buffering, so we are ok sending anyway. ws.on('message', function (msg) { // WS ---> AMT/TLS msg = msg.toString('binary'); if (ws.interceptor) { msg = ws.interceptor.processBrowserData(msg); } // Run data thru interceptor //console.log('WS --> AMT', Buffer.from(msg, 'binary').toString('hex')); // Log to recording file if (ws.logfile == null) { // Forward data to the associated TCP connection. if (ws.forwardclient.xtls == 1) { ws.forwardclient.write(Buffer.from(msg, 'binary')); } else { ws.forwardclient.write(msg); } } else { // Log to recording file var msg2 = Buffer.from(msg, 'binary'); recordingEntry(ws.logfile.fd, 2, 2, msg2, function () { try { if (ws.forwardclient.xtls == 1) { ws.forwardclient.write(msg2); } else { ws.forwardclient.write(msg); } } catch (ex) { } }); } }); // If error, close the associated TCP connection. ws.on('error', function (err) { console.log('CIRA server websocket error from ' + cleanRemoteAddr(req.ip) + ', ' + err.toString().split('\r')[0] + '.'); parent.debug('webrelay', 'Websocket relay closed on error.'); if (ws.forwardclient && ws.forwardclient.close) { ws.forwardclient.close(); } // TODO: If TLS is used, we need to close the socket that is wrapped by TLS // Close the recording file if (ws.logfile != null) { recordingEntry(ws.logfile.fd, 3, 0, 'MeshCentralMCREC', function (fd, ws) { obj.fs.close(fd); ws.logfile = null; }, ws); } }); // If the web socket is closed, close the associated TCP connection. ws.on('close', function (req) { parent.debug('webrelay', 'Websocket relay closed.'); if (ws.forwardclient && ws.forwardclient.close) { ws.forwardclient.close(); } // TODO: If TLS is used, we need to close the socket that is wrapped by TLS // Close the recording file if (ws.logfile != null) { recordingEntry(ws.logfile.fd, 3, 0, 'MeshCentralMCREC', function (fd, ws) { obj.fs.close(fd); ws.logfile = null; }, ws); } }); ws.forwardclient.onStateChange = function (ciraconn, state) { parent.debug('webrelay', 'Relay CIRA state change', state); if (state == 0) { try { ws.close(); } catch (e) { } } }; ws.forwardclient.onData = function (ciraconn, data) { parent.debug('webrelaydata', 'Relay CIRA data', data.length); if (ws.interceptor) { data = ws.interceptor.processAmtData(data); } // Run data thru interceptor //console.log('AMT --> WS', Buffer.from(data, 'binary').toString('hex')); if (data.length > 0) { if (ws.logfile == null) { try { ws.send(Buffer.from(data, 'binary')); } catch (e) { } // TODO: Add TLS support } else { // Log to recording file data = Buffer.from(data, 'binary'); recordingEntry(ws.logfile.fd, 2, 0, data, function () { try { ws.send(data); } catch (e) { } }); // TODO: Add TLS support } } }; ws.forwardclient.onSendOk = function (ciraconn) { // TODO: Flow control? (Dont' really need it with AMT, but would be nice) //console.log('onSendOk'); }; // Fetch Intel AMT credentials & Setup interceptor if (req.query.p == 1) { parent.debug('webrelaydata', 'INTERCEPTOR1', { host: node.host, port: port, user: node.intelamt.user, pass: node.intelamt.pass }); ws.interceptor = obj.interceptor.CreateHttpInterceptor({ host: node.host, port: port, user: node.intelamt.user, pass: node.intelamt.pass }); ws.interceptor.blockAmtStorage = true; } else if (req.query.p == 2) { parent.debug('webrelaydata', 'INTERCEPTOR2', { user: node.intelamt.user, pass: node.intelamt.pass }); ws.interceptor = obj.interceptor.CreateRedirInterceptor({ user: node.intelamt.user, pass: node.intelamt.pass }); ws.interceptor.blockAmtStorage = true; } return; } // If Intel AMT direct connection is possible, option a direct socket if ((conn & 4) != 0) { // We got a new web socket connection, initiate a TCP connection to the target Intel AMT host/port. parent.debug('webrelay', 'Opening relay TCP socket connection to ' + req.query.host + '.'); // When data is received from the web socket, forward the data into the associated TCP connection. ws.on('message', function (msg) { if (obj.parent.debugLevel >= 1) { // DEBUG parent.debug('webrelaydata', 'TCP relay data to ' + node.host + ', ' + msg.length + ' bytes'); //if (obj.parent.debugLevel >= 4) { parent.debug('webrelaydatahex', ' ' + msg.toString('hex')); } } msg = msg.toString('binary'); if (ws.interceptor) { msg = ws.interceptor.processBrowserData(msg); } // Run data thru interceptor // Log to recording file if (ws.logfile == null) { // Forward data to the associated TCP connection. try { ws.forwardclient.write(Buffer.from(msg, 'binary')); } catch (ex) { } } else { // Log to recording file msg = Buffer.from(msg, 'binary'); recordingEntry(ws.logfile.fd, 2, 2, msg, function () { try { ws.forwardclient.write(msg); } catch (ex) { } }); } }); // If error, close the associated TCP connection. ws.on('error', function (err) { console.log('Error with relay web socket connection from ' + cleanRemoteAddr(req.ip) + ', ' + err.toString().split('\r')[0] + '.'); parent.debug('webrelay', 'Error with relay web socket connection from ' + cleanRemoteAddr(req.ip) + '.'); if (ws.forwardclient) { try { ws.forwardclient.destroy(); } catch (e) { } } // Close the recording file if (ws.logfile != null) { recordingEntry(ws.logfile.fd, 3, 0, 'MeshCentralMCREC', function (fd) { obj.fs.close(fd); ws.logfile = null; }); } }); // If the web socket is closed, close the associated TCP connection. ws.on('close', function () { parent.debug('webrelay', 'Closing relay web socket connection to ' + req.query.host + '.'); if (ws.forwardclient) { try { ws.forwardclient.destroy(); } catch (e) { } } // Close the recording file if (ws.logfile != null) { recordingEntry(ws.logfile.fd, 3, 0, 'MeshCentralMCREC', function (fd) { obj.fs.close(fd); ws.logfile = null; }); } }); // Compute target port var port = 16992; if (node.intelamt.tls > 0) port = 16993; // This is a direct connection, use TLS when possible if (req.query.p == 2) port += 2; if (node.intelamt.tls == 0) { // If this is TCP (without TLS) set a normal TCP socket ws.forwardclient = new obj.net.Socket(); ws.forwardclient.setEncoding('binary'); ws.forwardclient.xstate = 0; ws.forwardclient.forwardwsocket = ws; ws._socket.resume(); } else { // If TLS is going to be used, setup a TLS socket var tlsoptions = { secureProtocol: ((req.query.tls1only == 1) ? 'TLSv1_method' : 'SSLv23_method'), ciphers: 'RSA+AES:!aNULL:!MD5:!DSS', secureOptions: constants.SSL_OP_NO_SSLv2 | constants.SSL_OP_NO_SSLv3 | constants.SSL_OP_NO_COMPRESSION | constants.SSL_OP_CIPHER_SERVER_PREFERENCE, rejectUnauthorized: false }; ws.forwardclient = obj.tls.connect(port, node.host, tlsoptions, function () { // The TLS connection method is the same as TCP, but located a bit differently. parent.debug('webrelay', 'TLS connected to ' + node.host + ':' + port + '.'); ws.forwardclient.xstate = 1; ws._socket.resume(); }); ws.forwardclient.setEncoding('binary'); ws.forwardclient.xstate = 0; ws.forwardclient.forwardwsocket = ws; } // When we receive data on the TCP connection, forward it back into the web socket connection. ws.forwardclient.on('data', function (data) { if (obj.parent.debugLevel >= 1) { // DEBUG parent.debug('webrelaydata', 'TCP relay data from ' + node.host + ', ' + data.length + ' bytes.'); //if (obj.parent.debugLevel >= 4) { Debug(4, ' ' + Buffer.from(data, 'binary').toString('hex')); } } if (ws.interceptor) { data = ws.interceptor.processAmtData(data); } // Run data thru interceptor if (ws.logfile == null) { // No logging try { ws.send(Buffer.from(data, 'binary')); } catch (e) { } } else { // Log to recording file data = Buffer.from(data, 'binary'); recordingEntry(ws.logfile.fd, 2, 0, data, function () { try { ws.send(data); } catch (e) { } }); } }); // If the TCP connection closes, disconnect the associated web socket. ws.forwardclient.on('close', function () { parent.debug('webrelay', 'TCP relay disconnected from ' + node.host + '.'); try { ws.close(); } catch (e) { } }); // If the TCP connection causes an error, disconnect the associated web socket. ws.forwardclient.on('error', function (err) { parent.debug('webrelay', 'TCP relay error from ' + node.host + ': ' + err.errno); try { ws.close(); } catch (e) { } }); // Fetch Intel AMT credentials & Setup interceptor if (req.query.p == 1) { ws.interceptor = obj.interceptor.CreateHttpInterceptor({ host: node.host, port: port, user: node.intelamt.user, pass: node.intelamt.pass }); } else if (req.query.p == 2) { ws.interceptor = obj.interceptor.CreateRedirInterceptor({ user: node.intelamt.user, pass: node.intelamt.pass }); } if (node.intelamt.tls == 0) { // A TCP connection to Intel AMT just connected, start forwarding. ws.forwardclient.connect(port, node.host, function () { parent.debug('webrelay', 'TCP relay connected to ' + node.host + ':' + port + '.'); ws.forwardclient.xstate = 1; ws._socket.resume(); }); } return; } }); } // Handle a Intel AMT activation request function handleAmtActivateWebSocket(ws, req) { const domain = checkUserIpAddress(ws, req); if (domain == null) { ws.send(JSON.stringify({ errorText: 'Invalid domain' })); ws.close(); return; } if (req.query.id == null) { ws.send(JSON.stringify({ errorText: 'Missing group identifier' })); ws.close(); return; } // Fetch the mesh object ws.meshid = 'mesh/' + domain.id + '/' + req.query.id; const mesh = obj.meshes[ws.meshid]; if (mesh == null) { delete ws.meshid; ws.send(JSON.stringify({ errorText: 'Invalid device group' })); ws.close(); return; } if (mesh.mtype != 1) { ws.send(JSON.stringify({ errorText: 'Invalid device group type' })); ws.close(); return; } // Fetch the remote IP:Port for logging ws.remoteaddr = cleanRemoteAddr(req.ip); ws.remoteaddrport = ws.remoteaddr + ':' + ws._socket.remotePort; // When data is received from the web socket, echo it back ws.on('message', function (data) { // Parse the incoming command var cmd = null; try { cmd = JSON.parse(data); } catch (ex) { }; if (cmd == null) return; // Process the command switch (cmd.action) { case 'ccmactivate': case 'acmactivate': { // Check the command if (cmd.version != 1) { ws.send(JSON.stringify({ errorText: 'Unsupported version' })); ws.close(); return; } if (obj.common.validateString(cmd.realm, 16, 256) == false) { ws.send(JSON.stringify({ errorText: 'Invalid realm argument' })); ws.close(); return; } if (obj.common.validateString(cmd.uuid, 36, 36) == false) { ws.send(JSON.stringify({ errorText: 'Invalid UUID argument' })); ws.close(); return; } if (typeof cmd.hashes !== 'object') { ws.send(JSON.stringify({ errorText: 'Invalid hashes' })); ws.close(); return; } if (typeof cmd.fqdn !== 'string') { ws.send(JSON.stringify({ errorText: 'Invalid FQDN' })); ws.close(); return; } if ((obj.common.validateString(cmd.ver, 5, 16) == false) || (cmd.ver.split('.').length != 3)) { ws.send(JSON.stringify({ errorText: 'Invalid Intel AMT version' })); ws.close(); return; } if (obj.common.validateArray(cmd.modes, 1, 2) == false) { ws.send(JSON.stringify({ errorText: 'Invalid activation modes' })); ws.close(); return; } if (obj.common.validateInt(cmd.currentMode, 0, 2) == false) { ws.send(JSON.stringify({ errorText: 'Invalid current mode' })); ws.close(); return; } if (typeof cmd.sku !== 'number') { ws.send(JSON.stringify({ errorText: 'Invalid SKU number' })); ws.close(); return; } // Get the current Intel AMT policy var mesh = obj.meshes[ws.meshid], activationMode = 4; // activationMode: 2 = CCM, 4 = ACM if ((mesh == null) || (mesh.amt == null) || (mesh.amt.password == null) || ((mesh.amt.type != 2) && (mesh.amt.type != 3))) { ws.send(JSON.stringify({ errorText: 'Unable to activate' })); ws.close(); return; } if ((mesh.amt.type != 3) || (domain.amtacmactivation == null) || (domain.amtacmactivation.acmmatch == null)) { activationMode = 2; } if (activationMode == 4) { // Check if we have a FQDN/Hash match var matchingHash = null, matchingCN = null; for (var i in domain.amtacmactivation.acmmatch) { // Check for a matching FQDN if ((domain.amtacmactivation.acmmatch[i].cn == '*') || (domain.amtacmactivation.acmmatch[i].cn.toLowerCase() == cmd.fqdn)) { // Check for a matching certificate if (cmd.hashes.indexOf(domain.amtacmactivation.acmmatch[i].sha256) >= 0) { matchingCN = domain.amtacmactivation.acmmatch[i].cn; matchingHash = domain.amtacmactivation.acmmatch[i].sha256; continue; } else if (cmd.hashes.indexOf(domain.amtacmactivation.acmmatch[i].sha1) >= 0) { matchingCN = domain.amtacmactivation.acmmatch[i].cn; matchingHash = domain.amtacmactivation.acmmatch[i].sha1; continue; } } } // If no cert match or wildcard match which is not yet supported, do CCM activation. if ((matchingHash == null) || (matchingCN == '*')) { ws.send(JSON.stringify({ messageText: 'No matching ACM activation certificates, activating in CCM instead...' })); activationMode = 2; } else { cmd.hash = matchingHash; } } // Check if we are going to activate in an allowed mode. cmd.modes: 1 = CCM, 2 = ACM if ((activationMode == 4) && (cmd.modes.indexOf(2) == -1)) { ws.send(JSON.stringify({ messageText: 'ACM not allowed on this machine, activating in CCM instead...' })); activationMode = 2; } // We want to do ACM, but mode is not allowed. Change to CCM. // If we want to do CCM, but mode is not allowed. Error out. if ((activationMode == 2) && (cmd.modes.indexOf(1) == -1)) { ws.send(JSON.stringify({ errorText: 'CCM is not an allowed activation mode' })); ws.close(); return; } // Get the Intel AMT admin password, randomize if needed. var amtpassword = ((mesh.amt.password == '') ? getRandomAmtPassword() : mesh.amt.password); if (checkAmtPassword(amtpassword) == false) { ws.send(JSON.stringify({ errorText: 'Invalid Intel AMT password' })); ws.close(); return; } // Invalid Intel AMT password, this should never happen. // Save some state, if activation is succesful, we need this to add the device ws.xxstate = { uuid: cmd.uuid, realm: cmd.realm, tag: cmd.tag, name: cmd.name, hostname: cmd.hostname, pass: amtpassword, flags: activationMode, ver: cmd.ver, sku: cmd.sku }; // Flags: 2 = CCM, 4 = ACM if (activationMode == 4) { // ACM: Agent is asking the server to sign an Intel AMT ACM activation request var signResponse = parent.certificateOperations.signAcmRequest(domain, cmd, 'admin', amtpassword, ws.remoteaddrport, null, ws.meshid, null, null); ws.send(JSON.stringify(signResponse)); } else { // CCM: Log the activation request, logging is a required step for activation. if (parent.certificateOperations.logAmtActivation(domain, { time: new Date(), action: 'ccmactivate', domain: domain.id, amtUuid: cmd.uuid, amtRealm: cmd.realm, user: 'admin', password: amtpassword, ipport: ws.remoteaddrport, meshid: ws.meshid, tag: cmd.tag, name: cmd.name }) == false) return { errorText: 'Unable to log operation' }; // Compute the HTTP digest hash and send the response for CCM activation ws.send(JSON.stringify({ action: 'ccmactivate', password: obj.crypto.createHash('md5').update('admin:' + cmd.realm + ':' + amtpassword).digest('hex') })); } break; } case 'ccmactivate-failed': case 'acmactivate-failed': { // Log the activation response parent.certificateOperations.logAmtActivation(domain, { time: new Date(), action: cmd.action, domain: domain.id, amtUuid: cmd.uuid, ipport: ws.remoteaddrport, meshid: ws.meshid }); break; } case 'amtdiscover': case 'ccmactivate-success': case 'acmactivate-success': { // If this is a discovery command, set the state. if (cmd.action == 'amtdiscover') { if (cmd.version != 1) { ws.send(JSON.stringify({ errorText: 'Unsupported version' })); ws.close(); return; } if (obj.common.validateString(cmd.realm, 16, 256) == false) { ws.send(JSON.stringify({ errorText: 'Invalid realm argument' })); ws.close(); return; } if (obj.common.validateString(cmd.uuid, 36, 36) == false) { ws.send(JSON.stringify({ errorText: 'Invalid UUID argument' })); ws.close(); return; } if (typeof cmd.hashes != 'object') { ws.send(JSON.stringify({ errorText: 'Invalid hashes' })); ws.close(); return; } if (typeof cmd.fqdn != 'string') { ws.send(JSON.stringify({ errorText: 'Invalid FQDN' })); ws.close(); return; } if ((obj.common.validateString(cmd.ver, 5, 16) == false) || (cmd.ver.split('.').length != 3)) { ws.send(JSON.stringify({ errorText: 'Invalid Intel AMT version' })); ws.close(); return; } if (obj.common.validateArray(cmd.modes, 1, 2) == false) { ws.send(JSON.stringify({ errorText: 'Invalid activation modes' })); ws.close(); return; } if (obj.common.validateInt(cmd.currentMode, 0, 2) == false) { ws.send(JSON.stringify({ errorText: 'Invalid current mode' })); ws.close(); return; } var activationMode = 0; if (cmd.currentMode == 1) { activationMode = 2; } else if (cmd.currentMode == 2) { activationMode = 4; } ws.xxstate = { uuid: cmd.uuid, realm: cmd.realm, tag: cmd.tag, name: cmd.name, hostname: cmd.hostname, flags: activationMode, ver: cmd.ver, sku: cmd.sku }; // Flags: 2 = CCM, 4 = ACM } else { // If this is an activation success, check that state was set already. if (ws.xxstate == null) { ws.send(JSON.stringify({ errorText: 'Invalid command' })); ws.close(); return; } } // Log the activation response parent.certificateOperations.logAmtActivation(domain, { time: new Date(), action: cmd.action, domain: domain.id, amtUuid: cmd.uuid, ipport: ws.remoteaddrport, meshid: ws.meshid }); // Get the current Intel AMT policy var mesh = obj.meshes[ws.meshid]; if (mesh == null) { ws.send(JSON.stringify({ errorText: 'Unknown device group' })); ws.close(); return; } // Fix the computer name if needed if ((ws.xxstate.name == null) || (ws.xxstate.name.length == 0)) { ws.xxstate.name = ws.xxstate.hostname; } if ((ws.xxstate.name == null) || (ws.xxstate.name.length == 0)) { ws.xxstate.name = ws.xxstate.uuid; } db.getAmtUuidNode(ws.meshid, ws.xxstate.uuid, function (err, nodes) { if ((nodes == null) || (nodes.length == 0)) { // Create a new nodeid parent.crypto.randomBytes(48, function (err, buf) { // Create the new node var xxnodeid = 'node/' + domain.id + '/' + buf.toString('base64').replace(/\+/g, '@').replace(/\//g, '$'); var device = { type: 'node', _id: xxnodeid, meshid: ws.meshid, name: ws.xxstate.name, rname: ws.xxstate.name, host: ws.remoteaddr, domain: domain.id, intelamt: { state: 2, flags: ws.xxstate.flags, tls: 0, uuid: ws.xxstate.uuid, realm: ws.xxstate.realm, tag: ws.xxstate.tag, ver: ws.xxstate.ver, sku: ws.xxstate.sku } }; if (ws.xxstate.pass != null) { device.intelamt.user = 'admin'; device.intelamt.pass = ws.xxstate.pass; } if (device.intelamt.flags != 0) { device.intelamt.state = 2; } else { device.intelamt.state = 0; } db.Set(device); // Event the new node var device2 = Object.assign({}, device); // Shallow clone device2.intelamt = Object.assign({}, device2.intelamt); // Shallow clone delete device2.intelamt.pass; // Remove the Intel AMT password before eventing this. parent.DispatchEvent(['*', ws.meshid], obj, { etype: 'node', action: 'addnode', node: device2, msg: 'Added device ' + ws.xxstate.name + ' to mesh ' + mesh.name, domain: domain.id }); }); } else { // Change an existing device var device = nodes[0]; if (device.host != ws.remoteaddr) { device.host = ws.remoteaddr; } if ((ws.xxstate.name != null) && (device.rname != ws.xxstate.name)) { device.rname = ws.xxstate.name; } if (device.intelamt.flags != 0) { if (device.intelamt.state != 2) { device.intelamt.state = 2; } } if (device.intelamt.flags != ws.xxstate.flags) { device.intelamt.state = ws.xxstate.flags; } if (ws.xxstate.pass != null) { if (device.intelamt.user != 'admin') { device.intelamt.user = 'admin'; } if (device.intelamt.pass != ws.xxstate.pass) { device.intelamt.pass = ws.xxstate.pass; } } if (device.intelamt.realm != ws.xxstate.realm) { device.intelamt.realm = ws.xxstate.realm; } if (ws.xxstate.realm == null) { delete device.intelamt.tag; } else if (device.intelamt.tag != ws.xxstate.tag) { device.intelamt.tag = ws.xxstate.tag; } if (device.intelamt.ver != ws.xxstate.ver) { device.intelamt.ver = ws.xxstate.ver; } if (device.intelamt.sku != ws.xxstate.sku) { device.intelamt.sku = ws.xxstate.sku; } db.Set(device); // Event the new node var device2 = Object.assign({}, device); // Shallow clone device2.intelamt = Object.assign({}, device2.intelamt); // Shallow clone delete device2.intelamt.pass; // Remove the Intel AMT password before eventing this. if (obj.db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to change the node. Another event will come. parent.DispatchEvent(['*', ws.meshid], obj, { etype: 'node', action: 'changenode', nodeid: device2._id, node: device2, msg: 'Changed device ' + device.name + ' in mesh ' + mesh.name, domain: domain.id }); } }); if (cmd.action == 'amtdiscover') { ws.send(JSON.stringify({ action: 'amtdiscover' })); } break; } default: { // This is not a known command ws.send(JSON.stringify({ errorText: 'Invalid command' })); ws.close(); return; } } }); // If close or error, do nothing. ws.on('error', function (err) { }); ws.on('close', function (req) { }); } // Handle the web socket echo request, just echo back the data sent function handleEchoWebSocket(ws, req) { const domain = checkUserIpAddress(ws, req); if (domain == null) { res.sendStatus(404); return; } ws._socket.setKeepAlive(true, 240000); // Set TCP keep alive // When data is received from the web socket, echo it back ws.on('message', function (data) { if (data.toString('utf8') == 'close') { try { ws.close(); } catch (e) { console.log(e); } } else { try { ws.send(data); } catch (e) { console.log(e); } } }); // If error, do nothing. ws.on('error', function (err) { console.log('Echo server error from ' + cleanRemoteAddr(req.ip) + ', ' + err.toString().split('\r')[0] + '.'); }); // If closed, do nothing ws.on('close', function (req) { }); } // Get the total size of all files in a folder and all sub-folders. (TODO: try to make all async version) function readTotalFileSize(path) { var r = 0, dir; try { dir = obj.fs.readdirSync(path); } catch (e) { return 0; } for (var i in dir) { var stat = obj.fs.statSync(path + '/' + dir[i]); if ((stat.mode & 0x004000) == 0) { r += stat.size; } else { r += readTotalFileSize(path + '/' + dir[i]); } } return r; } // Delete a folder and all sub items. (TODO: try to make all async version) function deleteFolderRec(path) { if (obj.fs.existsSync(path) == false) return; obj.fs.readdirSync(path).forEach(function (file, index) { var pathx = path + "/" + file; if (obj.fs.lstatSync(pathx).isDirectory()) { deleteFolderRec(pathx); } else { obj.fs.unlinkSync(pathx); } }); obj.fs.rmdirSync(path); } // Handle Intel AMT events // To subscribe, add "http://server:port/amtevents.ashx" to Intel AMT subscriptions. obj.handleAmtEventRequest = function (req, res) { const domain = getDomain(req); try { if (req.headers.authorization) { var authstr = req.headers.authorization; if (authstr.substring(0, 7) == "Digest ") { var auth = obj.common.parseNameValueList(obj.common.quoteSplit(authstr.substring(7))); if ((req.url === auth.uri) && (obj.httpAuthRealm === auth.realm) && (auth.opaque === obj.crypto.createHmac('SHA384', obj.httpAuthRandom).update(auth.nonce).digest('hex'))) { // Read the data, we need to get the arg field var eventData = ''; req.on('data', function (chunk) { eventData += chunk; }); req.on('end', function () { // Completed event read, let get the argument that must contain the nodeid var i = eventData.indexOf(''); if (i > 0) { var nodeid = eventData.substring(i + 30, i + 30 + 64); if (nodeid.length == 64) { var nodekey = 'node/' + domain.id + '/' + nodeid; // See if this node exists in the database obj.db.Get(nodekey, function (err, nodes) { if (nodes.length == 1) { // Yes, the node exists, compute Intel AMT digest password var node = nodes[0]; var amtpass = obj.crypto.createHash('sha384').update(auth.username.toLowerCase() + ":" + nodeid + ":" + obj.parent.dbconfig.amtWsEventSecret).digest("base64").substring(0, 12).split("/").join("x").split("\\").join("x"); // Check the MD5 hash if (auth.response === obj.common.ComputeDigesthash(auth.username, amtpass, auth.realm, "POST", auth.uri, auth.qop, auth.nonce, auth.nc, auth.cnonce)) { // This is an authenticated Intel AMT event, update the host address var amthost = req.ip; if (amthost.substring(0, 7) === '::ffff:') { amthost = amthost.substring(7); } if (node.host != amthost) { // Get the mesh for this device var mesh = obj.meshes[node.meshid]; if (mesh) { // Update the database var oldname = node.host; node.host = amthost; obj.db.Set(node); // Event the node change var event = { etype: 'node', action: 'changenode', nodeid: node._id, domain: domain.id, msg: 'Intel(R) AMT host change ' + node.name + ' from group ' + mesh.name + ': ' + oldname + ' to ' + amthost }; // Remove the Intel AMT password before eventing this. event.node = node; if (event.node.intelamt && event.node.intelamt.pass) { event.node = Object.assign({}, event.node); // Shallow clone event.node.intelamt = Object.assign({}, event.node.intelamt); // Shallow clone delete event.node.intelamt.pass; } if (obj.db.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to change the node. Another event will come. obj.parent.DispatchEvent(['*', node.meshid], obj, event); } } parent.amtEventHandler.handleAmtEvent(eventData, nodeid, amthost); //res.send('OK'); return; } } }); } } }); } } } } catch (e) { console.log(e); } // Send authentication response obj.crypto.randomBytes(48, function (err, buf) { var nonce = buf.toString('hex'), opaque = obj.crypto.createHmac('SHA384', obj.httpAuthRandom).update(nonce).digest('hex'); res.set({ 'WWW-Authenticate': 'Digest realm="' + obj.httpAuthRealm + '", qop="auth,auth-int", nonce="' + nonce + '", opaque="' + opaque + '"' }); res.sendStatus(401); }); }; // Handle a server backup request function handleBackupRequest(req, res) { const domain = checkUserIpAddress(req, res); if (domain == null) { res.sendStatus(404); return; } if ((!req.session) || (req.session == null) || (!req.session.userid) || (obj.parent.args.noserverbackup == 1)) { res.sendStatus(401); return; } var user = obj.users[req.session.userid]; if ((user == null) || ((user.siteadmin & 1) == 0)) { res.sendStatus(401); return; } // Check if we have server backup rights // Require modules const archive = require('archiver')('zip', { level: 9 }); // Sets the compression method to maximum. // Good practice to catch this error explicitly archive.on('error', function (err) { throw err; }); // Set the archive name res.attachment(domain.title + '-Backup-' + new Date().toLocaleDateString().replace('/', '-').replace('/', '-') + '.zip'); // Pipe archive data to the file archive.pipe(res); // Append all of the files for this backup var backupList = ['config.json', 'meshcentral.db', 'agentserver-cert-private.key', 'agentserver-cert-public.crt', 'mpsserver-cert-private.key', 'mpsserver-cert-public.crt', 'data/root-cert-private.key', 'root-cert-public.crt', 'webserver-cert-private.key', 'webserver-cert-public.crt']; for (var i in backupList) { var filename = backupList[i]; var filepath = obj.path.join(obj.parent.datapath, filename); if (obj.fs.existsSync(filepath)) { archive.file(filepath, { name: filename }); } } // Finalize the archive (ie we are done appending files but streams have to finish yet) archive.finalize(); } // Handle a server restore request function handleRestoreRequest(req, res) { const domain = checkUserIpAddress(req, res); if (domain == null) { res.sendStatus(404); return; } if (obj.parent.args.noserverbackup == 1) { res.sendStatus(401); return; } var authUserid = null; if ((req.session != null) && (typeof req.session.userid == 'string')) { authUserid = req.session.userid; } const multiparty = require('multiparty'); const form = new multiparty.Form(); form.parse(req, function (err, fields, files) { // If an authentication cookie is embedded in the form, use that. if ((fields != null) && (fields.auth != null) && (fields.auth.length == 1) && (typeof fields.auth[0] == 'string')) { var loginCookie = obj.parent.decodeCookie(fields.auth[0], obj.parent.loginCookieEncryptionKey, 60); // 60 minute timeout if ((loginCookie != null) && (loginCookie.ip != null) && (loginCookie.ip != cleanRemoteAddr(req.ip))) { loginCookie = null; } // Check cookie IP binding. if ((loginCookie != null) && (domain.id == loginCookie.domainid)) { authUserid = loginCookie.userid; } // Use cookie authentication } if (authUserid == null) { res.sendStatus(401); return; } // Get the user const user = obj.users[req.session.userid]; if ((user == null) || ((user.siteadmin & 4) == 0)) { res.sendStatus(401); return; } // Check if we have server restore rights res.send('Server must be restarted, click here to login.'); parent.Stop(files.datafile[0].path); }); } // Handle a request to download a mesh agent obj.handleMeshAgentRequest = function (req, res) { const domain = checkUserIpAddress(req, res); if (domain == null) { res.sendStatus(404); return; } // If required, check if this user has rights to do this if ((obj.parent.config.settings != null) && ((obj.parent.config.settings.lockagentdownload == true) || (domain.lockagentdownload == true)) && (req.session.userid == null)) { res.sendStatus(401); return; } if (req.query.id != null) { // Send a specific mesh agent back var argentInfo = obj.parent.meshAgentBinaries[req.query.id]; if (argentInfo == null) { res.sendStatus(404); return; } if ((req.query.meshid == null) || (argentInfo.platform != 'win32')) { res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0', 'Content-Type': 'application/octet-stream', 'Content-Disposition': 'attachment; filename="' + argentInfo.rname + '"' }); if (argentInfo.data == null) { res.sendFile(argentInfo.path); } else { res.end(argentInfo.data); } } else { // We are going to embed the .msh file into the Windows executable (signed or not). // First, fetch the mesh object to build the .msh file var mesh = obj.meshes['mesh/' + domain.id + '/' + req.query.meshid]; if (mesh == null) { res.sendStatus(401); return; } // If required, check if this user has rights to do this if ((obj.parent.config.settings != null) && ((obj.parent.config.settings.lockagentdownload == true) || (domain.lockagentdownload == true))) { var user = obj.users[req.session.userid]; if ((user == null) || (mesh.links[user._id] == null) || ((mesh.links[user._id].rights & 1) == 0)) { res.sendStatus(401); return; } if (domain.id != mesh.domain) { res.sendStatus(401); return; } } var meshidhex = Buffer.from(req.query.meshid.replace(/\@/g, '+').replace(/\$/g, '/'), 'base64').toString('hex').toUpperCase(); var serveridhex = Buffer.from(obj.agentCertificateHashBase64.replace(/\@/g, '+').replace(/\$/g, '/'), 'base64').toString('hex').toUpperCase(); var httpsPort = ((obj.args.aliasport == null) ? obj.args.port : obj.args.aliasport); // Use HTTPS alias port is specified // Prepare a mesh agent file name using the device group name. var meshfilename = mesh.name meshfilename = meshfilename.split('\\').join('').split('/').join('').split(':').join('').split('*').join('').split('?').join('').split('"').join('').split('<').join('').split('>').join('').split('|').join('').split(' ').join('').split('\'').join(''); if (argentInfo.rname.endsWith('.exe')) { meshfilename = argentInfo.rname.substring(0, argentInfo.rname.length - 4) + '-' + meshfilename + '.exe'; } else { meshfilename = argentInfo.rname + '-' + meshfilename; } // Build the agent connection URL. If we are using a sub-domain or one with a DNS, we need to craft the URL correctly. var xdomain = (domain.dns == null) ? domain.id : ''; if (xdomain != '') xdomain += "/"; var meshsettings = "MeshName=" + mesh.name + "\r\nMeshType=" + mesh.mtype + "\r\nMeshID=0x" + meshidhex + "\r\nServerID=" + serveridhex + "\r\n"; if (obj.args.lanonly != true) { meshsettings += "MeshServer=ws" + (obj.args.notls ? '' : 's') + "://" + obj.getWebServerName(domain) + ":" + httpsPort + "/" + xdomain + "agent.ashx\r\n"; } else { meshsettings += "MeshServer=local\r\n"; } if (req.query.tag != null) { meshsettings += "Tag=" + req.query.tag + "\r\n"; } if ((req.query.installflags != null) && (req.query.installflags != 0)) { meshsettings += "InstallFlags=" + req.query.installflags + "\r\n"; } if ((domain.agentnoproxy === true) || (obj.args.lanonly == true)) { meshsettings += "ignoreProxyFile=1\r\n"; } if (obj.args.agentconfig) { for (var i in obj.args.agentconfig) { meshsettings += obj.args.agentconfig[i] + "\r\n"; } } if (domain.agentconfig) { for (var i in domain.agentconfig) { meshsettings += domain.agentconfig[i] + "\r\n"; } } try { res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0', 'Content-Type': 'application/octet-stream', 'Content-Disposition': 'attachment; filename="' + meshfilename + '"' }); } catch (ex) { res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0', 'Content-Type': 'application/octet-stream', 'Content-Disposition': 'attachment; filename="' + argentInfo.rname + '"' }); } obj.parent.exeHandler.streamExeWithMeshPolicy({ platform: 'win32', sourceFileName: obj.parent.meshAgentBinaries[req.query.id].path, destinationStream: res, msh: meshsettings, peinfo: obj.parent.meshAgentBinaries[req.query.id].pe }); } } else if (req.query.script != null) { // Send a specific mesh install script back var scriptInfo = obj.parent.meshAgentInstallScripts[req.query.script]; if (scriptInfo == null) { res.sendStatus(404); return; } res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0', 'Content-Type': 'text/plain', 'Content-Disposition': 'attachment; filename="' + scriptInfo.rname + '"' }); var data = scriptInfo.data; var cmdoptions = { wgetoptionshttp: '', wgetoptionshttps: '', curloptionshttp: '-L ', curloptionshttps: '-L ' } if (obj.isTrustedCert(domain) != true) { cmdoptions.wgetoptionshttps += '--no-check-certificate '; cmdoptions.curloptionshttps += '-k '; } if (domain.agentnoproxy === true) { cmdoptions.wgetoptionshttp += '--no-proxy '; cmdoptions.wgetoptionshttps += '--no-proxy '; cmdoptions.curloptionshttp += '--noproxy \'*\' '; cmdoptions.curloptionshttps += '--noproxy \'*\' '; } for (var i in cmdoptions) { data = data.split('{{{' + i + '}}}').join(cmdoptions[i]); } res.send(data); } else if (req.query.meshcmd != null) { // Send meshcmd for a specific platform back var agentid = parseInt(req.query.meshcmd); // If the agentid is 3 or 4, check if we have a signed MeshCmd.exe if ((agentid == 3)) { // Signed Windows MeshCmd.exe x86 var stats = null, meshCmdPath = obj.path.join(__dirname, 'agents', 'MeshCmd-signed.exe'); try { stats = obj.fs.statSync(meshCmdPath); } catch (e) { } if ((stats != null)) { res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0', 'Content-Type': 'application/octet-stream', 'Content-Disposition': 'attachment; filename="meshcmd' + ((req.query.meshcmd <= 3) ? '.exe' : '') + '"' }); res.sendFile(meshCmdPath); return; } } else if ((agentid == 4)) { // Signed Windows MeshCmd64.exe x64 var stats = null, meshCmd64Path = obj.path.join(__dirname, 'agents', 'MeshCmd64-signed.exe'); try { stats = obj.fs.statSync(meshCmd64Path); } catch (e) { } if ((stats != null)) { res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0', 'Content-Type': 'application/octet-stream', 'Content-Disposition': 'attachment; filename="meshcmd' + ((req.query.meshcmd <= 4) ? '.exe' : '') + '"' }); res.sendFile(meshCmd64Path); return; } } // No signed agents, we are going to merge a new MeshCmd. if ((agentid < 10000) && (obj.parent.meshAgentBinaries[agentid + 10000] != null)) { agentid += 10000; } // Avoid merging javascript to a signed mesh agent. var argentInfo = obj.parent.meshAgentBinaries[agentid]; if ((argentInfo == null) || (obj.parent.defaultMeshCmd == null)) { res.sendStatus(404); return; } res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0', 'Content-Type': 'application/octet-stream', 'Content-Disposition': 'attachment; filename="meshcmd' + ((req.query.meshcmd <= 4) ? '.exe' : '') + '"' }); res.statusCode = 200; if (argentInfo.signedMeshCmdPath != null) { // If we hav a pre-signed MeshCmd, send that. res.sendFile(argentInfo.signedMeshCmdPath); } else { // Merge JavaScript to a unsigned agent and send that. obj.parent.exeHandler.streamExeWithJavaScript({ platform: argentInfo.platform, sourceFileName: argentInfo.path, destinationStream: res, js: Buffer.from(obj.parent.defaultMeshCmd, 'utf8'), peinfo: argentInfo.pe }); } } else if (req.query.meshaction != null) { const domain = checkUserIpAddress(req, res); if (domain == null) { res.sendStatus(404); return; } var user = obj.users[req.session.userid]; if ((req.query.meshaction == 'route') && (req.query.nodeid != null)) { obj.db.Get(req.query.nodeid, function (err, nodes) { if (nodes.length != 1) { res.sendStatus(401); return; } var node = nodes[0]; // Create the meshaction.txt file for meshcmd.exe var meshaction = { action: req.query.meshaction, localPort: 1234, remoteName: node.name, remoteNodeId: node._id, remoteTarget: '', remotePort: 3389, username: '', password: '', serverId: obj.agentCertificateHashHex.toUpperCase(), // SHA384 of server HTTPS public key serverHttpsHash: Buffer.from(obj.webCertificateHashs[domain.id], 'binary').toString('hex').toUpperCase(), // SHA384 of server HTTPS certificate debugLevel: 0 }; if (user != null) { meshaction.username = user.name; } var httpsPort = ((obj.args.aliasport == null) ? obj.args.port : obj.args.aliasport); // Use HTTPS alias port is specified if (obj.args.lanonly != true) { meshaction.serverUrl = ((obj.args.notls == true) ? 'ws://' : 'wss://') + obj.getWebServerName(domain) + ':' + httpsPort + '/' + ((domain.id == '') ? '' : ('/' + domain.id)) + 'meshrelay.ashx'; } res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0', 'Content-Type': 'text/plain', 'Content-Disposition': 'attachment; filename="meshaction.txt"' }); res.send(JSON.stringify(meshaction, null, ' ')); }); } else if (req.query.meshaction == 'generic') { var meshaction = { username: '', password: '', serverId: obj.agentCertificateHashHex.toUpperCase(), // SHA384 of server HTTPS public key serverHttpsHash: Buffer.from(obj.webCertificateHashs[domain.id], 'binary').toString('hex').toUpperCase(), // SHA384 of server HTTPS certificate debugLevel: 0 }; if (user != null) { meshaction.username = user.name; } var httpsPort = ((obj.args.aliasport == null) ? obj.args.port : obj.args.aliasport); // Use HTTPS alias port is specified if (obj.args.lanonly != true) { meshaction.serverUrl = ((obj.args.notls == true) ? 'ws://' : 'wss://') + obj.getWebServerName(domain) + ':' + httpsPort + '/' + ((domain.id == '') ? '' : ('/' + domain.id)) + 'meshrelay.ashx'; } res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0', 'Content-Type': 'text/plain', 'Content-Disposition': 'attachment; filename="meshaction.txt"' }); res.send(JSON.stringify(meshaction, null, ' ')); } else if (req.query.meshaction == 'winrouter') { var p = obj.path.join(__dirname, 'agents', 'MeshCentralRouter.exe'); if (obj.fs.existsSync(p)) { res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0', 'Content-Type': 'application/octet-stream', 'Content-Disposition': 'attachment; filename="MeshCentralRouter.exe"' }); try { res.sendFile(p); } catch (e) { res.sendStatus(404); } } else { res.sendStatus(404); } } else { res.sendStatus(401); } } else { // Send a list of available mesh agents var response = 'Mesh Agents'; response += ''; for (var agentid in obj.parent.meshAgentBinaries) { var agentinfo = obj.parent.meshAgentBinaries[agentid]; response += ''; response += ''; response += ''; response += ''; } response += '
IDDescriptionLinkSizeSHA384MeshCmd
' + agentinfo.id + '' + agentinfo.desc + '' + agentinfo.rname + '' + agentinfo.size + '' + agentinfo.hash + '' + agentinfo.rname.replace('agent', 'cmd') + '
'; res.send(response); } }; // Get the web server hostname. This may change if using a domain with a DNS name. obj.getWebServerName = function (domain) { if (domain.dns != null) return domain.dns; return obj.certificates.CommonName; } // Create a OSX mesh agent installer obj.handleMeshOsxAgentRequest = function (req, res) { const domain = checkUserIpAddress(req, res); if ((domain == null) || (req.query.id == null)) { res.sendStatus(404); return; } // If required, check if this user has rights to do this if ((obj.parent.config.settings != null) && ((obj.parent.config.settings.lockagentdownload == true) || (domain.lockagentdownload == true)) && (req.session.userid == null)) { res.sendStatus(401); return; } // Send a specific mesh agent back var argentInfo = obj.parent.meshAgentBinaries[req.query.id]; if ((argentInfo == null) || (req.query.meshid == null)) { res.sendStatus(404); return; } // We are going to embed the .msh file into the Windows executable (signed or not). // First, fetch the mesh object to build the .msh file var mesh = obj.meshes['mesh/' + domain.id + '/' + req.query.meshid]; if (mesh == null) { res.sendStatus(401); return; } // If required, check if this user has rights to do this if ((obj.parent.config.settings != null) && ((obj.parent.config.settings.lockagentdownload == true) || (domain.lockagentdownload == true))) { var user = obj.users[req.session.userid]; if ((user == null) || (mesh.links[user._id] == null) || ((mesh.links[user._id].rights & 1) == 0)) { res.sendStatus(401); return; } if (domain.id != mesh.domain) { res.sendStatus(401); return; } } var meshidhex = Buffer.from(req.query.meshid.replace(/\@/g, '+').replace(/\$/g, '/'), 'base64').toString('hex').toUpperCase(); var serveridhex = Buffer.from(obj.agentCertificateHashBase64.replace(/\@/g, '+').replace(/\$/g, '/'), 'base64').toString('hex').toUpperCase(); // Build the agent connection URL. If we are using a sub-domain or one with a DNS, we need to craft the URL correctly. var xdomain = (domain.dns == null) ? domain.id : ''; if (xdomain != '') xdomain += "/"; var meshsettings = "MeshName=" + mesh.name + "\r\nMeshType=" + mesh.mtype + "\r\nMeshID=0x" + meshidhex + "\r\nServerID=" + serveridhex + "\r\n"; var httpsPort = ((obj.args.aliasport == null) ? obj.args.port : obj.args.aliasport); // Use HTTPS alias port is specified if (obj.args.lanonly != true) { meshsettings += "MeshServer=ws" + (obj.args.notls ? '' : 's') + "://" + obj.getWebServerName(domain) + ":" + httpsPort + "/" + xdomain + "agent.ashx\r\n"; } else { meshsettings += "MeshServer=local\r\n"; } if (req.query.tag != null) { meshsettings += "Tag=" + req.query.tag + "\r\n"; } if ((req.query.installflags != null) && (req.query.installflags != 0)) { meshsettings += "InstallFlags=" + req.query.installflags + "\r\n"; } if ((domain.agentnoproxy === true) || (obj.args.lanonly == true)) { meshsettings += "ignoreProxyFile=1\r\n"; } if (obj.args.agentconfig) { for (var i in obj.args.agentconfig) { meshsettings += obj.args.agentconfig[i] + "\r\n"; } } if (domain.agentconfig) { for (var i in domain.agentconfig) { meshsettings += domain.agentconfig[i] + "\r\n"; } } // Setup the response output var archive = require('archiver')('zip', { level: 5 }); // Sets the compression method. archive.on('error', function (err) { throw err; }); try { // Set the agent download including the mesh name. res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0', 'Content-Type': 'application/zip', 'Content-Disposition': 'attachment; filename="MeshAgent-' + mesh.name + '.zip"' }); } catch (ex) { // If the mesh name contains invalid characters, just use a generic name. res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0', 'Content-Type': 'application/zip', 'Content-Disposition': 'attachment; filename="MeshAgent.zip"' }); } archive.pipe(res); // Opens the "MeshAgentOSXPackager.zip" var yauzl = require("yauzl"); yauzl.open(obj.path.join(__dirname, 'agents', 'MeshAgentOSXPackager.zip'), { lazyEntries: true }, function (err, zipfile) { if (err) { res.sendStatus(500); return; } zipfile.readEntry(); zipfile.on("entry", function (entry) { if (/\/$/.test(entry.fileName)) { // Skip all folder entries zipfile.readEntry(); } else { if (entry.fileName == 'MeshAgent.mpkg/Contents/distribution.dist') { // This is a special file entry, we need to fix it. zipfile.openReadStream(entry, function (err, readStream) { readStream.on("data", function (data) { if (readStream.xxdata) { readStream.xxdata += data; } else { readStream.xxdata = data; } }); readStream.on("end", function () { var meshname = mesh.name.split(']').join('').split('[').join(''); // We can't have ']]' in the string since it will terminate the CDATA. var welcomemsg = 'Welcome to the MeshCentral agent for MacOS\n\nThis installer will install the mesh agent for "' + meshname + '" and allow the administrator to remotely monitor and control this computer over the internet. For more information, go to https://www.meshcommander.com/meshcentral2.\n\nThis software is provided under Apache 2.0 license.\n'; var installsize = Math.floor((argentInfo.size + meshsettings.length) / 1024); archive.append(readStream.xxdata.toString().split('###WELCOMEMSG###').join(welcomemsg).split('###INSTALLSIZE###').join(installsize), { name: entry.fileName }); zipfile.readEntry(); }); }); } else { // Normal file entry zipfile.openReadStream(entry, function (err, readStream) { if (err) { throw err; } var options = { name: entry.fileName }; if (entry.fileName.endsWith('postflight') || entry.fileName.endsWith('Uninstall.command')) { options.mode = 493; } archive.append(readStream, options); readStream.on('end', function () { zipfile.readEntry(); }); }); } } }); zipfile.on("end", function () { archive.file(argentInfo.path, { name: "MeshAgent.mpkg/Contents/Packages/internal.pkg/Contents/meshagent_osx64.bin" }); archive.append(meshsettings, { name: "MeshAgent.mpkg/Contents/Packages/internal.pkg/Contents/meshagent_osx64.msh" }); archive.finalize(); }); }); } // Handle a request to download a mesh settings obj.handleMeshSettingsRequest = function (req, res) { const domain = checkUserIpAddress(req, res); if (domain == null) { res.sendStatus(404); return; } //if ((domain.id !== '') || (!req.session) || (req.session == null) || (!req.session.userid)) { res.sendStatus(401); return; } // If required, check if this user has rights to do this if ((obj.parent.config.settings != null) && ((obj.parent.config.settings.lockagentdownload == true) || (domain.lockagentdownload == true)) && (req.session.userid == null)) { res.sendStatus(401); return; } // Fetch the mesh object var mesh = obj.meshes['mesh/' + domain.id + '/' + req.query.id]; if (mesh == null) { res.sendStatus(401); return; } // If needed, check if this user has rights to do this if ((obj.parent.config.settings != null) && ((obj.parent.config.settings.lockagentdownload == true) || (domain.lockagentdownload == true))) { var user = obj.users[req.session.userid]; if ((user == null) || (mesh.links[user._id] == null) || ((mesh.links[user._id].rights & 1) == 0)) { res.sendStatus(401); return; } if (domain.id != mesh.domain) { res.sendStatus(401); return; } } var meshidhex = Buffer.from(req.query.id.replace(/\@/g, '+').replace(/\$/g, '/'), 'base64').toString('hex').toUpperCase(); var serveridhex = Buffer.from(obj.agentCertificateHashBase64.replace(/\@/g, '+').replace(/\$/g, '/'), 'base64').toString('hex').toUpperCase(); // Build the agent connection URL. If we are using a sub-domain or one with a DNS, we need to craft the URL correctly. var xdomain = (domain.dns == null) ? domain.id : ''; if (xdomain != '') xdomain += "/"; var meshsettings = "MeshName=" + mesh.name + "\r\nMeshType=" + mesh.mtype + "\r\nMeshID=0x" + meshidhex + "\r\nServerID=" + serveridhex + "\r\n"; var httpsPort = ((obj.args.aliasport == null) ? obj.args.port : obj.args.aliasport); // Use HTTPS alias port is specified if (obj.args.lanonly != true) { meshsettings += "MeshServer=ws" + (obj.args.notls ? '' : 's') + "://" + obj.getWebServerName(domain) + ":" + httpsPort + "/" + xdomain + "agent.ashx\r\n"; } else { meshsettings += "MeshServer=local\r\n"; } if (req.query.tag != null) { meshsettings += "Tag=" + req.query.tag + "\r\n"; } if ((req.query.installflags != null) && (req.query.installflags != 0)) { meshsettings += "InstallFlags=" + req.query.installflags + "\r\n"; } if ((domain.agentnoproxy === true) || (obj.args.lanonly == true)) { meshsettings += "ignoreProxyFile=1\r\n"; } if (obj.args.agentconfig) { for (var i in obj.args.agentconfig) { meshsettings += obj.args.agentconfig[i] + "\r\n"; } } if (domain.agentconfig) { for (var i in domain.agentconfig) { meshsettings += domain.agentconfig[i] + "\r\n"; } } res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0', 'Content-Type': 'application/octet-stream', 'Content-Disposition': 'attachment; filename="meshagent.msh"' }); res.send(meshsettings); }; // Handle a request for power events obj.handleDevicePowerEvents = function (req, res) { const domain = checkUserIpAddress(req, res); if (domain == null) { res.sendStatus(404); return; } if ((domain.id !== '') || (!req.session) || (req.session == null) || (!req.session.userid) || (req.query.id == null) || (typeof req.query.id != 'string')) { res.sendStatus(401); return; } var x = req.query.id.split('/'); var user = obj.users[req.session.userid]; if ((x.length != 3) || (x[0] != 'node') || (x[1] != domain.id) || (user == null) || (user.links == null)) { res.sendStatus(401); return; } obj.db.Get(req.query.id, function (err, docs) { if (docs.length != 1) { res.sendStatus(401); } else { var node = docs[0]; // Check if we have right to this node var rights = 0; for (var i in user.links) { if (i == node.meshid) { rights = user.links[i].rights; } } if (rights == 0) { res.sendStatus(401); return; } // Get the list of power events and send them res.set({ 'Cache-Control': 'no-cache, no-store, must-revalidate', 'Pragma': 'no-cache', 'Expires': '0', 'Content-Type': 'text/csv', 'Content-Disposition': 'attachment; filename="powerevents.csv"' }); obj.db.getPowerTimeline(node._id, function (err, docs) { var xevents = ['Time, State, Previous State'], prevState = 0; for (var i in docs) { if (docs[i].power != prevState) { prevState = docs[i].power; if (docs[i].oldPower != null) { xevents.push(docs[i].time.toString() + ',' + docs[i].power + ',' + docs[i].oldPower); } else { xevents.push(docs[i].time.toString() + ',' + docs[i].power); } } } res.send(xevents.join('\r\n')); }); } }); } // Starts the HTTPS server, this should be called after the user/mesh tables are loaded function serverStart() { // Start the server, only after users and meshes are loaded from the database. if (obj.args.notls || obj.args.tlsoffload) { // Setup the HTTP server without TLS obj.expressWs = require('express-ws')(obj.app); } else { // Setup the HTTP server with TLS, use only TLS 1.2 and higher with perfect forward secrecy (PFS). const tlsOptions = { cert: obj.certificates.web.cert, key: obj.certificates.web.key, ca: obj.certificates.web.ca, rejectUnauthorized: true, ciphers: "HIGH:!aNULL:!eNULL:!EXPORT:!RSA:!DES:!RC4:!MD5:!PSK:!SRP:!CAMELLIA", secureOptions: constants.SSL_OP_NO_SSLv2 | constants.SSL_OP_NO_SSLv3 | constants.SSL_OP_NO_COMPRESSION | constants.SSL_OP_CIPHER_SERVER_PREFERENCE | constants.SSL_OP_NO_TLSv1 | constants.SSL_OP_NO_TLSv1_1 }; if (obj.tlsSniCredentials != null) { tlsOptions.SNICallback = TlsSniCallback; } // We have multiple web server certificate used depending on the domain name obj.tlsServer = require('https').createServer(tlsOptions, obj.app); obj.tlsServer.on('secureConnection', function () { /*console.log('tlsServer secureConnection');*/ }); obj.tlsServer.on('error', function () { console.log('tlsServer error'); }); obj.tlsServer.on('newSession', function (id, data, cb) { if (tlsSessionStoreCount > 1000) { tlsSessionStoreCount = 0; tlsSessionStore = {}; } tlsSessionStore[id.toString('hex')] = data; tlsSessionStoreCount++; cb(); }); obj.tlsServer.on('resumeSession', function (id, cb) { cb(null, tlsSessionStore[id.toString('hex')] || null); }); obj.expressWs = require('express-ws')(obj.app, obj.tlsServer); } // Setup middleware obj.app.engine('handlebars', obj.exphbs({ defaultLayout: null })); // defaultLayout: 'main' obj.app.set('view engine', 'handlebars'); if (obj.args.trustedproxy) { obj.app.set('trust proxy', obj.args.trustedproxy); } // Reverse proxy should add the "X-Forwarded-*" headers else if (obj.args.tlsoffload) { obj.app.set('trust proxy', obj.args.tlsoffload); } // Reverse proxy should add the "X-Forwarded-*" headers obj.app.use(obj.bodyParser.urlencoded({ extended: false })); var sessionOptions = { name: 'xid', // Recommended security practice to not use the default cookie name httpOnly: true, keys: [obj.args.sessionkey], // If multiple instances of this server are behind a load-balancer, this secret must be the same for all instances secure: ((obj.args.notls != true) && (obj.args.tlsoffload == null)) // Use this cookie only over TLS (Check this: https://expressjs.com/en/guide/behind-proxies.html) } if (obj.args.sessionsamesite != null) { sessionOptions.sameSite = obj.args.sessionsamesite; } else { sessionOptions.sameSite = 'strict'; } if (obj.args.sessiontime != null) { sessionOptions.maxAge = (obj.args.sessiontime * 60 * 1000); } obj.app.use(obj.session(sessionOptions)); // Add HTTP security headers to all responses obj.app.use(function (req, res, next) { parent.debug('webrequest', req.url); res.removeHeader("X-Powered-By"); var domain = req.xdomain = getDomain(req); // If this domain has configured headers, use them. // Example headers: { 'Strict-Transport-Security': 'max-age=360000;includeSubDomains' }; // { 'Referrer-Policy': 'no-referrer', 'x-frame-options': 'SAMEORIGIN', 'X-XSS-Protection': '1; mode=block', 'X-Content-Type-Options': 'nosniff', 'Content-Security-Policy': "default-src http: ws: data: 'self';script-src http: 'unsafe-inline';style-src http: 'unsafe-inline'" }; if ((domain != null) && (domain.httpheaders != null) && (typeof domain.httpheaders == 'object')) { res.set(domain.httpheaders); } else { // Use default security headers var geourl = (domain.geolocation ? ' *.openstreetmap.org' : ''); var selfurl = ((args.notls !== true) ? (' wss://' + req.headers.host) : (' ws://' + req.headers.host)); var headers = { 'Referrer-Policy': 'no-referrer', 'X-XSS-Protection': '1; mode=block', 'X-Content-Type-Options': 'nosniff', 'Content-Security-Policy': "default-src 'none'; script-src 'self' 'unsafe-inline'; connect-src 'self'" + geourl + selfurl + "; img-src 'self'" + geourl + " data:; style-src 'self' 'unsafe-inline'; frame-src 'self'; media-src 'self'" }; if ((parent.config.settings.allowframing !== true) && (typeof parent.config.settings.allowframing !== 'string')) { headers['X-Frame-Options'] = 'sameorigin'; } res.set(headers); } // Check the session if bound to the external IP address if ((req.session.ip != null) && (req.ip != null) && (req.session.ip != req.ip)) { req.session = {}; } // Detect if this is a file sharing domain, if so, just share files. if ((domain != null) && (domain.share != null)) { var rpath; if (domain.dns == null) { rpath = req.url.split('/'); rpath.splice(1, 1); rpath = rpath.join('/'); } else { rpath = req.url; } if ((res.headers != null) && (res.headers.upgrade)) { // If this is a websocket, stop here. res.sendStatus(404); } else { // Check if the file exists, if so, serve it. obj.fs.exists(obj.path.join(domain.share, rpath), function (exists) { if (exists == true) { res.sendfile(rpath, { root: domain.share }); } else { res.sendStatus(404); } }); } } else { //if (parent.config.settings.accesscontrolalloworigin != null) { headers['Access-Control-Allow-Origin'] = parent.config.settings.accesscontrolalloworigin; } return next(); } }); // Setup all HTTP handlers if (parent.multiServer != null) { obj.app.ws('/meshserver.ashx', function (ws, req) { parent.multiServer.CreatePeerInServer(parent.multiServer, ws, req); }); } for (var i in parent.config.domains) { if (parent.config.domains[i].dns != null) { continue; } // This is a subdomain with a DNS name, no added HTTP bindings needed. var url = parent.config.domains[i].url; obj.app.get(url, handleRootRequest); obj.app.post(url, handleRootPostRequest); obj.app.get(url + 'backup.zip', handleBackupRequest); obj.app.post(url + 'restoreserver.ashx', handleRestoreRequest); obj.app.get(url + 'terms', handleTermsRequest); obj.app.post(url + 'login', handleLoginRequest); obj.app.post(url + 'tokenlogin', handleLoginRequest); obj.app.get(url + 'logout', handleLogoutRequest); obj.app.get(url + 'MeshServerRootCert.cer', handleRootCertRequest); obj.app.get(url + 'mescript.ashx', handleMeScriptRequest); obj.app.post(url + 'changepassword', handlePasswordChangeRequest); obj.app.post(url + 'deleteaccount', handleDeleteAccountRequest); obj.app.post(url + 'createaccount', handleCreateAccountRequest); obj.app.post(url + 'resetpassword', handleResetPasswordRequest); obj.app.post(url + 'resetaccount', handleResetAccountRequest); obj.app.get(url + 'checkmail', handleCheckMailRequest); obj.app.get(url + 'agentinvite', handleAgentInviteRequest); obj.app.post(url + 'amtevents.ashx', obj.handleAmtEventRequest); obj.app.get(url + 'meshagents', obj.handleMeshAgentRequest); obj.app.get(url + 'messenger', handleMessengerRequest); obj.app.get(url + 'meshosxagent', obj.handleMeshOsxAgentRequest); obj.app.get(url + 'meshsettings', obj.handleMeshSettingsRequest); obj.app.get(url + 'devicepowerevents.ashx', obj.handleDevicePowerEvents); obj.app.get(url + 'downloadfile.ashx', handleDownloadFile); obj.app.post(url + 'uploadfile.ashx', handleUploadFile); obj.app.post(url + 'uploadmeshcorefile.ashx', handleUploadMeshCoreFile); obj.app.get(url + 'userfiles/*', handleDownloadUserFiles); obj.app.ws(url + 'echo.ashx', handleEchoWebSocket); obj.app.ws(url + 'apf.ashx', function (ws, req) { obj.parent.apfserver.onConnection(ws); }) obj.app.ws(url + 'meshrelay.ashx', function (ws, req) { PerformWSSessionAuth(ws, req, true, function (ws1, req1, domain, user, cookie) { obj.meshRelayHandler.CreateMeshRelay(obj, ws1, req1, domain, user, cookie); }); }); obj.app.get(url + 'webrelay.ashx', function (req, res) { res.send('Websocket connection expected'); }); obj.app.get(url + 'health.ashx', function (req, res) { res.send('ok'); }); // TODO: Perform more server checking. obj.app.ws(url + 'webrelay.ashx', function (ws, req) { PerformWSSessionAuth(ws, req, false, handleRelayWebSocket); }); obj.app.ws(url + 'webider.ashx', function (ws, req) { PerformWSSessionAuth(ws, req, false, function (ws1, req1, domain, user, cookie) { obj.meshIderHandler.CreateAmtIderSession(obj, obj.db, ws1, req1, obj.args, domain, user); }); }); obj.app.ws(url + 'control.ashx', function (ws, req) { PerformWSSessionAuth(ws, req, false, function (ws1, req1, domain, user, cookie) { obj.meshUserHandler.CreateMeshUser(obj, obj.db, ws1, req1, obj.args, domain, user); }); }); obj.app.get(url + 'logo.png', handleLogoRequest); obj.app.get(url + 'welcome.jpg', handleWelcomeImageRequest); obj.app.ws(url + 'amtactivate', handleAmtActivateWebSocket); // Server redirects if (parent.config.domains[i].redirects) { for (var j in parent.config.domains[i].redirects) { if (j[0] != '_') { obj.app.get(url + j, obj.handleDomainRedirect); } } } // Server picture obj.app.get(url + 'serverpic.ashx', function (req, res) { // Check if we have "server.jpg" in the data folder, if so, use that. if ((parent.configurationFiles != null) && (parent.configurationFiles['server.png'] != null)) { res.set({ 'Content-Type': 'image/png' }); res.send(parent.configurationFiles['server.png']); } else { // Check if we have "server.jpg" in the data folder, if so, use that. var p = obj.path.join(obj.parent.datapath, 'server.png'); if (obj.fs.existsSync(p)) { // Use the data folder server picture try { res.sendFile(p); } catch (ex) { res.sendStatus(404); } } else { if (parent.webPublicOverridePath && obj.fs.existsSync(obj.path.join(obj.parent.webPublicOverridePath, 'images/server-256.png'))) { // Use the override server picture try { res.sendFile(obj.path.join(obj.parent.webPublicOverridePath, 'images/server-256.png')); } catch (ex) { res.sendStatus(404); } } else { // Use the default server picture try { res.sendFile(obj.path.join(obj.parent.webPublicPath, 'images/server-256.png')); } catch (ex) { res.sendStatus(404); } } } } }); // Receive mesh agent connections obj.app.ws(url + 'agent.ashx', function (ws, req) { var domain = checkAgentIpAddress(ws, req); if (domain == null) { parent.debug('web', 'Got agent connection from blocked IP address ' + cleanRemoteAddr(req.ip) + ', holding.'); return; } //console.log('Agent connect: ' + cleanRemoteAddr(req.ip)); try { obj.meshAgentHandler.CreateMeshAgent(obj, obj.db, ws, req, obj.args, domain); } catch (e) { console.log(e); } }); // Setup MQTT broker over websocket if (obj.parent.mqttbroker != null) { obj.app.ws(url + 'mqtt.ashx', function (ws, req) { var domain = checkAgentIpAddress(ws, req); if (domain == null) { parent.debug('web', 'Got agent connection from blocked IP address ' + cleanRemoteAddr(req.ip) + ', holding.'); return; } var serialtunnel = SerialTunnel(); serialtunnel.xtransport = 'ws'; serialtunnel.xdomain = domain; serialtunnel.xip = req.ip; ws.on('message', function (b) { serialtunnel.updateBuffer(Buffer.from(b, 'binary')) }); serialtunnel.forwardwrite = function (b) { ws.send(b, "binary") } ws.on("close", function () { serialtunnel.emit('end'); }); obj.parent.mqttbroker.handle(serialtunnel); // Pass socket wrapper to MQTT broker }); } // Memory Tracking if (typeof obj.args.memorytracking == 'number') { obj.app.get(url + 'memorytracking.csv', function (req, res) { try { res.sendFile(obj.parent.getConfigFilePath('memorytracking.csv')); } catch (e) { res.sendStatus(404); } }); } // Creates a login token using the user/pass that is passed in as URL arguments. // For example: https://localhost/createLoginToken.ashx?user=admin&pass=admin&a=3 // It's not advised to use this to create login tokens since the URL is often logged and you got credentials in the URL. // Since it's bad, it's only offered when an untrusted certificate is used as a way to help developers get started. if (obj.isTrustedCert() == false) { obj.app.get(url + 'createLoginToken.ashx', function (req, res) { // A web socket session can be authenticated in many ways (Default user, session, user/pass and cookie). Check authentication here. if ((req.query.user != null) && (req.query.pass != null)) { // A user/pass is provided in URL arguments obj.authenticate(req.query.user, req.query.pass, getDomain(req), function (err, userid) { if ((err == null) && (obj.users[userid])) { // User is authenticated, create a token var x = { a: 3 }; for (var i in req.query) { if ((i != 'user') && (i != 'pass')) { x[i] = obj.common.toNumber(req.query[i]); } } x.u = userid; res.send(obj.parent.encodeCookie(x, obj.parent.loginCookieEncryptionKey)); } else { res.sendStatus(404); } }); } else { res.sendStatus(404); } }); } obj.app.get(url + 'stop', function (req, res) { res.send('Stopping Server, click here to login.'); setTimeout(function () { parent.Stop(); }, 500); }); // Indicates to ExpressJS that the override public folder should be used to serve static files. if (obj.parent.webPublicOverridePath != null) { obj.app.use(url, obj.express.static(obj.parent.webPublicOverridePath, { maxAge: '1h' })); } // Indicates to ExpressJS that the default public folder should be used to serve static files. obj.app.use(url, obj.express.static(obj.parent.webPublicPath, { maxAge: '1h' })); // Start regular disconnection list flush every 2 minutes. obj.wsagentsDisconnectionsTimer = setInterval(function () { obj.wsagentsDisconnections = {}; }, 120000); } // Handle 404 error if (obj.args.nice404 !== false) { obj.app.use(function (req, res, next) { parent.debug('web', '404 Error ' + req.url); var domain = getDomain(req); res.status(404).render(getRenderPage('error404', req), { title: domain.title, title2: domain.title2 }); }); } // Start server on a free port CheckListenPort(obj.args.port, StartWebServer); } // Authenticates a session and forwards function PerformWSSessionAuth(ws, req, noAuthOk, func) { try { // Hold this websocket until we are ready. ws._socket.pause(); // Check IP filtering and domain var domain = null; if (noAuthOk == true) { domain = getDomain(req); } else { domain = checkUserIpAddress(ws, req); } // If auth is required, enforce IP address filtering. if (domain == null) { try { ws.send(JSON.stringify({ action: 'close', cause: 'noauth', msg: 'noauth-1' })); ws.close(); return; } catch (e) { return; } } // A web socket session can be authenticated in many ways (Default user, session, user/pass and cookie). Check authentication here. if ((req.query.user != null) && (req.query.pass != null)) { // A user/pass is provided in URL arguments obj.authenticate(req.query.user, req.query.pass, domain, function (err, userid) { var user = obj.users[userid]; if ((err == null) && (user)) { // Check if a 2nd factor is needed if (checkUserOneTimePasswordRequired(domain, user) == true) { if (req.query.token) { try { ws.send(JSON.stringify({ action: 'close', cause: 'noauth', msg: 'tokenrequired' })); ws.close(); } catch (e) { } } else { checkUserOneTimePassword(req, domain, user, req.query.token, null, function (result) { if (result == false) { try { ws.send(JSON.stringify({ action: 'close', cause: 'noauth', msg: 'tokenrequired' })); ws.close(); } catch (e) { } } else { // We are authenticated with 2nd factor. func(ws, req, domain, user); } }); } } else { // We are authenticated func(ws, req, domain, user); } } else { // Failed to authenticate, see if a default user is active if (obj.args.user && obj.users['user/' + domain.id + '/' + obj.args.user.toLowerCase()]) { // A default user is active func(ws, req, domain, obj.users['user/' + domain.id + '/' + obj.args.user.toLowerCase()]); } else { // If not authenticated, close the websocket connection parent.debug('web', 'ERR: Websocket bad user/pass auth'); try { ws.send(JSON.stringify({ action: 'close', cause: 'noauth', msg: 'noauth-2' })); ws.close(); } catch (e) { } } } }); return; } else if ((req.query.auth != null) && (req.query.auth != '')) { // This is a encrypted cookie authentication var cookie = obj.parent.decodeCookie(req.query.auth, obj.parent.loginCookieEncryptionKey, 240); // Cookie with 4 hour timeout if ((cookie == null) && (obj.parent.multiServer != null)) { cookie = obj.parent.decodeCookie(req.query.auth, obj.parent.serverKey, 240); } // Try the server key if ((cookie != null) && (cookie.ip != null) && (cookie.ip != cleanRemoteAddr(req.ip) && (cookie.ip != req.ip))) { cookie = null; } // If the cookie if binded to an IP address, check here. if ((cookie != null) && (obj.users[cookie.userid]) && (cookie.domainid == domain.id)) { // Valid cookie, we are authenticated func(ws, req, domain, obj.users[cookie.userid], cookie); } else { // This is a bad cookie, keep going anyway, maybe we have a active session that will save us. parent.debug('web', 'ERR: Websocket bad cookie auth: ' + req.query.auth); try { ws.send(JSON.stringify({ action: 'close', cause: 'noauth', msg: 'noauth-2' })); ws.close(); } catch (e) { } } return; } else if (req.headers['x-meshauth'] != null) { // This is authentication using a custom HTTP header var s = req.headers['x-meshauth'].split(','); for (var i in s) { s[i] = Buffer.from(s[i], 'base64').toString(); } if ((s.length < 2) || (s.length > 3)) { try { ws.send(JSON.stringify({ action: 'close', cause: 'noauth', msg: 'noauth-2' })); ws.close(); } catch (e) { } return; } obj.authenticate(s[0], s[1], domain, function (err, userid) { var user = obj.users[userid]; if ((err == null) && (user)) { // Check if a 2nd factor is needed if (checkUserOneTimePasswordRequired(domain, user) == true) { if (s.length != 3) { try { ws.send(JSON.stringify({ action: 'close', cause: 'noauth', msg: 'tokenrequired' })); ws.close(); } catch (e) { } } else { checkUserOneTimePassword(req, domain, user, s[2], null, function (result) { if (result == false) { try { ws.send(JSON.stringify({ action: 'close', cause: 'noauth', msg: 'tokenrequired' })); ws.close(); } catch (e) { } } else { // We are authenticated with 2nd factor. func(ws, req, domain, user); } }); } } else { // We are authenticated func(ws, req, domain, user); } } else { // Failed to authenticate, see if a default user is active if (obj.args.user && obj.users['user/' + domain.id + '/' + obj.args.user.toLowerCase()]) { // A default user is active func(ws, req, domain, obj.users['user/' + domain.id + '/' + obj.args.user.toLowerCase()]); } else { // If not authenticated, close the websocket connection parent.debug('web', 'ERR: Websocket bad user/pass auth'); try { ws.send(JSON.stringify({ action: 'close', cause: 'noauth', msg: 'noauth-2' })); ws.close(); } catch (e) { } } } }); return; } //console.log(req.headers['x-meshauth']); if (obj.args.user && obj.users['user/' + domain.id + '/' + obj.args.user.toLowerCase()]) { // A default user is active func(ws, req, domain, obj.users['user/' + domain.id + '/' + obj.args.user.toLowerCase()]); return; } else if (req.session && (req.session.userid != null) && (req.session.domainid == domain.id) && (obj.users[req.session.userid])) { // This user is logged in using the ExpressJS session func(ws, req, domain, obj.users[req.session.userid]); return; } if (noAuthOk != true) { // If not authenticated, close the websocket connection parent.debug('web', 'ERR: Websocket no auth'); try { ws.send(JSON.stringify({ action: 'close', cause: 'noauth', msg: 'noauth-4' })); ws.close(); } catch (e) { } } else { // Continue this session without user authentication, // this is expected if the agent is connecting for a tunnel. func(ws, req, domain, null); } } catch (e) { console.log(e); } } // Find a free port starting with the specified one and going up. function CheckListenPort(port, func) { var s = obj.net.createServer(function (socket) { }); obj.tcpServer = s.listen(port, function () { s.close(function () { if (func) { func(port); } }); }).on('error', function (err) { if (args.exactports) { console.error('ERROR: MeshCentral HTTPS server port ' + port + ' not available.'); process.exit(); } else { if (port < 65535) { CheckListenPort(port + 1, func); } else { if (func) { func(0); } } } }); } // Start the ExpressJS web server function StartWebServer(port) { if (port == 0 || port == 65535) return; obj.args.port = port; if (obj.tlsServer != null) { if (obj.args.lanonly == true) { obj.tcpServer = obj.tlsServer.listen(port, function () { console.log('MeshCentral HTTPS server running on port ' + port + ((args.aliasport != null) ? (', alias port ' + args.aliasport) : '') + '.'); }); } else { obj.tcpServer = obj.tlsServer.listen(port, function () { console.log('MeshCentral HTTPS server running on ' + certificates.CommonName + ':' + port + ((args.aliasport != null) ? (', alias port ' + args.aliasport) : '') + '.'); }); obj.parent.updateServerState('servername', certificates.CommonName); } obj.parent.updateServerState('https-port', port); if (args.aliasport != null) { obj.parent.updateServerState('https-aliasport', args.aliasport); } } else { obj.tcpServer = obj.app.listen(port, function () { console.log('MeshCentral HTTP server running on port ' + port + ((args.aliasport != null) ? (', alias port ' + args.aliasport) : '') + '.'); }); obj.parent.updateServerState('http-port', port); if (args.aliasport != null) { obj.parent.updateServerState('http-aliasport', args.aliasport); } } } // Force mesh agent disconnection obj.forceMeshAgentDisconnect = function (user, domain, nodeid, disconnectMode) { if (nodeid == null) return; var splitnode = nodeid.split('/'); if ((splitnode.length != 3) || (splitnode[1] != domain.id)) return; // Check that nodeid is valid and part of our domain var agent = obj.wsagents[nodeid]; if (agent == null) return; // Check we have agent rights var rights = user.links[agent.dbMeshKey].rights; if ((rights != null) && ((rights & MESHRIGHT_AGENTCONSOLE) != 0) || (user.siteadmin == 0xFFFFFFFF)) { agent.close(disconnectMode); } }; // Send the core module to the mesh agent obj.sendMeshAgentCore = function (user, domain, nodeid, coretype, coredata) { if (nodeid == null) return; const splitnode = nodeid.split('/'); if ((splitnode.length != 3) || (splitnode[1] != domain.id)) return; // Check that nodeid is valid and part of our domain // TODO: This command only works if the agent is connected on the same server. Will not work with multi server peering. const agent = obj.wsagents[nodeid]; if (agent == null) return; // Check we have agent rights var rights = user.links[agent.dbMeshKey].rights; if ((rights != null) && ((rights & MESHRIGHT_AGENTCONSOLE) != 0) || (user.siteadmin == 0xFFFFFFFF)) { if (coretype == 'clear') { // Clear the mesh agent core agent.agentCoreCheck = 1000; // Tell the agent object we are using a custom core. agent.send(obj.common.ShortToStr(10) + obj.common.ShortToStr(0)); } else if (coretype == 'default') { // Reset to default code agent.agentCoreCheck = 0; // Tell the agent object we are using a default code agent.send(obj.common.ShortToStr(11) + obj.common.ShortToStr(0)); // Command 11, ask for mesh core hash. } else if (coretype == 'recovery') { // Reset to recovery core agent.agentCoreCheck = 1001; // Tell the agent object we are using the recovery core. agent.send(obj.common.ShortToStr(11) + obj.common.ShortToStr(0)); // Command 11, ask for mesh core hash. } else if (coretype == 'custom') { agent.agentCoreCheck = 1000; // Tell the agent object we are using a custom core. const hash = obj.crypto.createHash('sha384').update(Buffer.from(coredata, 'binary')).digest().toString('binary'); // Perform a SHA384 hash on the core module agent.send(obj.common.ShortToStr(10) + obj.common.ShortToStr(0) + hash + coredata); // Send the code module to the agent } } }; // Get the server path of a user or mesh object function getServerRootFilePath(obj) { if ((typeof obj != 'object') || (obj.domain == null) || (obj._id == null)) return null; var domainname = 'domain', splitname = obj._id.split('/'); if (splitname.length != 3) return null; if (obj.domain !== '') domainname = 'domain-' + obj.domain; return obj.path.join(obj.filespath, domainname + "/" + splitname[0] + "-" + splitname[2]); } // Return true is the input string looks like an email address function checkEmail(str) { var x = str.split('@'); var ok = ((x.length == 2) && (x[0].length > 0) && (x[1].split('.').length > 1) && (x[1].length > 2)); if (ok == true) { var y = x[1].split('.'); for (var i in y) { if (y[i].length == 0) { ok = false; } } } return ok; } /* obj.wssessions = {}; // UserId --> Array Of Sessions obj.wssessions2 = {}; // "UserId + SessionRnd" --> Session (Note that the SessionId is the UserId + / + SessionRnd) obj.wsPeerSessions = {}; // ServerId --> Array Of "UserId + SessionRnd" obj.wsPeerSessions2 = {}; // "UserId + SessionRnd" --> ServerId obj.wsPeerSessions3 = {}; // ServerId --> UserId --> [ SessionId ] */ // Count sessions and event any changes obj.recountSessions = function (changedSessionId) { var userid, oldcount, newcount, x, serverid; if (changedSessionId == null) { // Recount all sessions // Calculate the session count for all userid's var newSessionsCount = {}; for (userid in obj.wssessions) { newSessionsCount[userid] = obj.wssessions[userid].length; } for (serverid in obj.wsPeerSessions3) { for (userid in obj.wsPeerSessions3[serverid]) { x = obj.wsPeerSessions3[serverid][userid].length; if (newSessionsCount[userid] == null) { newSessionsCount[userid] = x; } else { newSessionsCount[userid] += x; } } } // See what session counts have changed, event any changes for (userid in newSessionsCount) { newcount = newSessionsCount[userid]; oldcount = obj.sessionsCount[userid]; if (oldcount == null) { oldcount = 0; } else { delete obj.sessionsCount[userid]; } if (newcount != oldcount) { x = userid.split('/'); var u = obj.users[userid]; if (u) { var targets = ['*', 'server-users']; if (u.groups) { for (var i in u.groups) { targets.push('server-users:' + i); } } obj.parent.DispatchEvent(targets, obj, { action: 'wssessioncount', userid: userid, username: x[2], count: newcount, domain: x[1], nolog: 1, nopeers: 1 }); } } } // If there are any counts left in the old counts, event to zero for (userid in obj.sessionsCount) { oldcount = obj.sessionsCount[userid]; if ((oldcount != null) && (oldcount != 0)) { x = userid.split('/'); var u = obj.users[userid]; if (u) { var targets = ['*', 'server-users']; if (u.groups) { for (var i in u.groups) { targets.push('server-users:' + i); } } obj.parent.DispatchEvent(['*'], obj, { action: 'wssessioncount', userid: userid, username: x[2], count: 0, domain: x[1], nolog: 1, nopeers: 1 }) } } } // Set the new session counts obj.sessionsCount = newSessionsCount; } else { // Figure out the userid userid = changedSessionId.split('/').slice(0, 3).join('/'); // Recount only changedSessionId newcount = 0; if (obj.wssessions[userid] != null) { newcount = obj.wssessions[userid].length; } for (serverid in obj.wsPeerSessions3) { if (obj.wsPeerSessions3[serverid][userid] != null) { newcount += obj.wsPeerSessions3[serverid][userid].length; } } oldcount = obj.sessionsCount[userid]; if (oldcount == null) { oldcount = 0; } // If the count changed, update and event if (newcount != oldcount) { x = userid.split('/'); var u = obj.users[userid]; if (u) { var targets = ['*', 'server-users']; if (u.groups) { for (var i in u.groups) { targets.push('server-users:' + i); } } obj.parent.DispatchEvent(targets, obj, { action: 'wssessioncount', userid: userid, username: x[2], count: newcount, domain: x[1], nolog: 1, nopeers: 1 }); obj.sessionsCount[userid] = newcount; } } } }; // Clone a safe version of a user object, remove everything that is secret. obj.CloneSafeUser = function (user) { if (typeof user != 'object') { return user; } var user2 = Object.assign({}, user); // Shallow clone delete user2.hash; delete user2.passhint; delete user2.salt; delete user2.type; delete user2.domain; delete user2.subscriptions; delete user2.passtype; if ((typeof user2.otpsecret == 'string') && (user2.otpsecret != null)) { user2.otpsecret = 1; } // Indicates a time secret is present. if ((typeof user2.otpkeys == 'object') && (user2.otpkeys != null)) { user2.otpkeys = 0; if (user.otpkeys != null) { for (var i = 0; i < user.otpkeys.keys.length; i++) { if (user.otpkeys.keys[i].u == true) { user2.otpkeys = 1; } } } } // Indicates the number of one time backup codes that are active. if ((typeof user2.otphkeys == 'object') && (user2.otphkeys != null)) { user2.otphkeys = user2.otphkeys.length; } // Indicates the number of hardware keys setup return user2; } // Clone a safe version of a node object, remove everything that is secret. obj.CloneSafeNode = function (node) { if (typeof node != 'object') { return node; } var r = node; if (r.intelamt && r.intelamt.pass) { r = Object.assign({}, r); // Shallow clone r.intelamt = Object.assign({}, r.intelamt); // Shallow clone delete r.intelamt.pass; // Remove the Intel AMT password from the node } return r; } // Clone a safe version of a mesh object, remove everything that is secret. obj.CloneSafeMesh = function (mesh) { if (typeof mesh != 'object') { return mesh; } var r = mesh; if (r.amt && r.amt.password) { r = Object.assign({}, r); // Shallow clone r.amt = Object.assign({}, r.amt); // Shallow clone delete r.amt.password; // Remove the Intel AMT password from the policy } return r; } // Filter the user web site and only output state that we need to keep const acceptableUserWebStateStrings = ['webPageStackMenu', 'notifications', 'deviceView', 'nightMode', 'webPageFullScreen', 'search', 'showRealNames', 'sort', 'deskAspectRatio', 'viewsize', 'DeskControl', 'uiMode']; const acceptableUserWebStateDesktopStrings = ['encoding', 'showfocus', 'showmouse', 'showcad', 'limitFrameRate', 'noMouseRotate', 'quality', 'scaling'] obj.filterUserWebState = function (state) { if (typeof state == 'string') { try { state = JSON.parse(state); } catch (ex) { return null; } } var out = {}; for (var i in acceptableUserWebStateStrings) { var n = acceptableUserWebStateStrings[i]; if ((state[n] != null) && ((typeof state[n] == 'number') || (typeof state[n] == 'boolean') || ((typeof state[n] == 'string') && (state[n].length < 32)))) { out[n] = state[n]; } } if (typeof state.desktopsettings == 'string') { try { state.desktopsettings = JSON.parse(state.desktopsettings); } catch (ex) { delete state.desktopsettings; } } if (state.desktopsettings != null) { out.desktopsettings = {}; for (var i in acceptableUserWebStateDesktopStrings) { var n = acceptableUserWebStateDesktopStrings[i]; if ((state.desktopsettings[n] != null) && ((typeof state.desktopsettings[n] == 'number') || (typeof state.desktopsettings[n] == 'boolean') || ((typeof state.desktopsettings[n] == 'string') && (state.desktopsettings[n].length < 32)))) { out.desktopsettings[n] = state.desktopsettings[n]; } } out.desktopsettings = JSON.stringify(out.desktopsettings); } return JSON.stringify(out); } // Return the correct render page given mobile, minify and override path. function getRenderPage(pagename, req) { var mobile = isMobileBrowser(req), minify = obj.args.minify && !req.query.nominify, p; if (mobile) { if (obj.parent.webViewsOverridePath != null) { if (minify) { p = obj.path.join(obj.parent.webViewsOverridePath, pagename + '-mobile-min'); if (obj.fs.existsSync(p + '.handlebars')) { return p; } // Mobile + Minify + Override document } p = obj.path.join(obj.parent.webViewsOverridePath, pagename + '-mobile'); if (obj.fs.existsSync(p + '.handlebars')) { return p; } // Mobile + Override document } if (minify) { p = obj.path.join(obj.parent.webViewsPath, pagename + '-mobile-min'); if (obj.fs.existsSync(p + '.handlebars')) { return p; } // Mobile + Minify document } p = obj.path.join(obj.parent.webViewsPath, pagename + '-mobile'); if (obj.fs.existsSync(p + '.handlebars')) { return p; } // Mobile document } if (obj.parent.webViewsOverridePath != null) { if (minify) { p = obj.path.join(obj.parent.webViewsOverridePath, pagename + '-min'); if (obj.fs.existsSync(p + '.handlebars')) { return p; } // Minify + Override document } p = obj.path.join(obj.parent.webViewsOverridePath, pagename); if (obj.fs.existsSync(p + '.handlebars')) { return p; } // Override document } if (minify) { p = obj.path.join(obj.parent.webViewsPath, pagename + '-min'); if (obj.fs.existsSync(p + '.handlebars')) { return p; } // Minify document } p = obj.path.join(obj.parent.webViewsPath, pagename); if (obj.fs.existsSync(p + '.handlebars')) { return p; } // Default document return null; } // Route a command from a agent. domainid, nodeid and meshid are the values of the source agent. obj.routeAgentCommand = function (command, domainid, nodeid, meshid) { // Route a message. // If this command has a sessionid, that is the target. if (command.sessionid != null) { if (typeof command.sessionid != 'string') return; var splitsessionid = command.sessionid.split('/'); // Check that we are in the same domain and the user has rights over this node. if ((splitsessionid[0] == 'user') && (splitsessionid[1] == domainid)) { // Check if this user has rights to get this message //if (mesh.links[user._id] == null || ((mesh.links[user._id].rights & 16) == 0)) return; // TODO!!!!!!!!!!!!!!!!!!!!! // See if the session is connected. If so, go ahead and send this message to the target node var ws = obj.wssessions2[command.sessionid]; if (ws != null) { command.nodeid = nodeid; // Set the nodeid, required for responses. delete command.sessionid; // Remove the sessionid, since we are sending to that sessionid, so it's implyed. try { ws.send(JSON.stringify(command)); } catch (ex) { } } else if (parent.multiServer != null) { // See if we can send this to a peer server var serverid = obj.wsPeerSessions2[command.sessionid]; if (serverid != null) { command.fromNodeid = nodeid; parent.multiServer.DispatchMessageSingleServer(command, serverid); } } } } else if (command.userid != null) { // If this command has a userid, that is the target. if (typeof command.userid != 'string') return; var splituserid = command.userid.split('/'); // Check that we are in the same domain and the user has rights over this node. if ((splituserid[0] == 'user') && (splituserid[1] == domainid)) { // Check if this user has rights to get this message //if (mesh.links[user._id] == null || ((mesh.links[user._id].rights & 16) == 0)) return; // TODO!!!!!!!!!!!!!!!!!!!!! // See if the session is connected var sessions = obj.wssessions[command.userid]; // Go ahead and send this message to the target node if (sessions != null) { command.nodeid = nodeid; // Set the nodeid, required for responses. delete command.userid; // Remove the userid, since we are sending to that userid, so it's implyed. for (i in sessions) { sessions[i].send(JSON.stringify(command)); } } if (parent.multiServer != null) { // TODO: Add multi-server support } } } else { // Route this command to the mesh command.nodeid = nodeid; var cmdstr = JSON.stringify(command); for (var userid in obj.wssessions) { // Find all connected users for this mesh and send the message var user = obj.users[userid]; if ((user != null) && (user.links != null)) { var rights = user.links[meshid]; if (rights != null) { // TODO: Look at what rights are needed for message routing var xsessions = obj.wssessions[userid]; // Send the message to all users on this server for (i in xsessions) { try { xsessions[i].send(cmdstr); } catch (e) { } } } } } // Send the message to all users of other servers if (parent.multiServer != null) { delete command.nodeid; command.fromNodeid = nodeid; command.meshid = meshid; parent.multiServer.DispatchMessage(command); } } } // Render a page using the proper language function render(req, res, filename, args) { if ((obj.parent.webViewsOverridePath == null) && (obj.renderPages != null)) { // If a user set a localization, use that if (req.session.userid) { var user = obj.users[req.session.userid]; if ((user != null) && (user.lang != null)) { req.query.lang = user.lang; } }; // Get a list of acceptable languages in order var acceptLanguages = []; if (req.query.lang != null) { acceptLanguages.push(req.query.lang.toLowerCase()); } else { if (req.headers['accept-language'] != null) { var acceptLanguageSplit = req.headers['accept-language'].split(';'); for (var i in acceptLanguageSplit) { var acceptLanguageSplitEx = acceptLanguageSplit[i].split(','); for (var j in acceptLanguageSplitEx) { if (acceptLanguageSplitEx[j].startsWith('q=') == false) { acceptLanguages.push(acceptLanguageSplitEx[j].toLowerCase()); } } } } } // Take a look at the options we have for this file var fileOptions = obj.renderPages[obj.path.basename(filename)]; if (fileOptions != null) { for (var i in acceptLanguages) { if ((acceptLanguages[i] == 'en') || (acceptLanguages[i].startsWith('en-'))) { break; } // English requested, break out. if (fileOptions[acceptLanguages[i]] != null) { res.render(fileOptions[acceptLanguages[i]], args); return; } // Found a match. } } } // No matches found, render the default english page. res.render(filename, args); } // Get the list of pages with different languages that can be rendered function getRenderList() { var translateFolder = null; if (obj.fs.existsSync('views/translations')) { translateFolder = 'views/translations'; } if (obj.fs.existsSync(obj.path.join(__dirname, 'views', 'translations'))) { translateFolder = obj.path.join(__dirname, 'views', 'translations'); } if (translateFolder != null) { obj.renderPages = {}; obj.renderLanguages = ['en']; var files = obj.fs.readdirSync(translateFolder); for (var i in files) { var name = files[i]; if (name.endsWith('.handlebars')) { name = name.substring(0, name.length - 11); var xname = name.split('_'); if (xname.length == 2) { if (obj.renderPages[xname[0]] == null) { obj.renderPages[xname[0]] = {}; } obj.renderPages[xname[0]][xname[1]] = obj.path.join(translateFolder, name); if (obj.renderLanguages.indexOf(xname[1]) == -1) { obj.renderLanguages.push(xname[1]); } } } } } } // Return true if a mobile browser is detected. // This code comes from "http://detectmobilebrowsers.com/" and was modified, This is free and unencumbered software released into the public domain. For more information, please refer to the http://unlicense.org/ function isMobileBrowser(req) { //var ua = req.headers['user-agent'].toLowerCase(); //return (/(android|bb\d+|meego).+mobile|mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(ua) || /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(ua.substr(0, 4))); if (typeof req.headers['user-agent'] != 'string') return false; return (req.headers['user-agent'].toLowerCase().indexOf('mobile') >= 0); } // Return the query string portion of the URL, the ? and anything after. function getQueryPortion(req) { var s = req.url.indexOf('?'); if (s == -1) { if (req.body && req.body.urlargs) { return req.body.urlargs; } return ''; } return req.url.substring(s); } // Generate a random Intel AMT password function checkAmtPassword(p) { return (p.length > 7) && (/\d/.test(p)) && (/[a-z]/.test(p)) && (/[A-Z]/.test(p)) && (/\W/.test(p)); } function getRandomAmtPassword() { var p; do { p = Buffer.from(obj.crypto.randomBytes(9), 'binary').toString('base64').split('/').join('@'); } while (checkAmtPassword(p) == false); return p; } function getRandomPassword() { return Buffer.from(obj.crypto.randomBytes(9), 'binary').toString('base64').split('/').join('@'); } // Clean a IPv6 address that encodes a IPv4 address function cleanRemoteAddr(addr) { if (typeof addr != 'string') { return null; } if (addr.indexOf('::ffff:') == 0) { return addr.substring(7); } else { return addr; } } // Record a new entry in a recording log function recordingEntry(fd, type, flags, data, func, tag) { try { if (typeof data == 'string') { // String write var blockData = Buffer.from(data), header = Buffer.alloc(16); // Header: Type (2) + Flags (2) + Size(4) + Time(8) header.writeInt16BE(type, 0); // Type (1 = Header, 2 = Network Data) header.writeInt16BE(flags, 2); // Flags (1 = Binary, 2 = User) header.writeInt32BE(blockData.length, 4); // Size header.writeIntBE(new Date(), 10, 6); // Time var block = Buffer.concat([header, blockData]); obj.fs.write(fd, block, 0, block.length, function () { func(fd, tag); }); } else { // Binary write var header = Buffer.alloc(16); // Header: Type (2) + Flags (2) + Size(4) + Time(8) header.writeInt16BE(type, 0); // Type (1 = Header, 2 = Network Data) header.writeInt16BE(flags | 1, 2); // Flags (1 = Binary, 2 = User) header.writeInt32BE(data.length, 4); // Size header.writeIntBE(new Date(), 10, 6); // Time var block = Buffer.concat([header, data]); obj.fs.write(fd, block, 0, block.length, function () { func(fd, tag); }); } } catch (ex) { console.log(ex); func(fd, tag); } } return obj; };