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db.js
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/**
* @description MeshCentral database module
* @author Ylian Saint-Hilaire
* @copyright Intel Corporation 2018-2022
* @license Apache-2.0
* @version v0.0.2
*/
/*xjslint node: true */
/*xjslint plusplus: true */
/*xjslint maxlen: 256 */
/*jshint node: true */
/*jshint strict: false */
/*jshint esversion: 6 */
"use strict";
//
// Construct Meshcentral database object
//
// The default database is NeDB
// https://github.com/louischatriot/nedb
//
// Alternativety, MongoDB can be used
// https://www.mongodb.com/
// Just run with --mongodb [connectionstring], where the connection string is documented here: https://docs.mongodb.com/manual/reference/connection-string/
// The default collection is "meshcentral", but you can override it using --mongodbcol [collection]
//
module.exports.CreateDB = function (parent, func) {
var obj = {};
var Datastore = null;
var expireEventsSeconds = (60 * 60 * 24 * 20); // By default, expire events after 20 days (1728000). (Seconds * Minutes * Hours * Days)
var expirePowerEventsSeconds = (60 * 60 * 24 * 10); // By default, expire power events after 10 days (864000). (Seconds * Minutes * Hours * Days)
var expireServerStatsSeconds = (60 * 60 * 24 * 30); // By default, expire power events after 30 days (2592000). (Seconds * Minutes * Hours * Days)
const common = require('./common.js');
obj.identifier = null;
obj.dbKey = null;
obj.dbRecordsEncryptKey = null;
obj.dbRecordsDecryptKey = null;
obj.changeStream = false;
obj.pluginsActive = ((parent.config) && (parent.config.settings) && (parent.config.settings.plugins != null) && (parent.config.settings.plugins != false) && ((typeof parent.config.settings.plugins != 'object') || (parent.config.settings.plugins.enabled != false)));
obj.dbCounters = {
fileSet: 0,
fileRemove: 0,
powerSet: 0,
eventsSet: 0
}
// MongoDB bulk operations state
if (parent.config.settings.mongodbbulkoperations) {
// Added counters
obj.dbCounters.fileSetPending = 0;
obj.dbCounters.fileSetBulk = 0;
obj.dbCounters.fileRemovePending = 0;
obj.dbCounters.fileRemoveBulk = 0;
obj.dbCounters.powerSetPending = 0;
obj.dbCounters.powerSetBulk = 0;
obj.dbCounters.eventsSetPending = 0;
obj.dbCounters.eventsSetBulk = 0;
/// Added bulk accumulators
obj.filePendingGet = null;
obj.filePendingGets = null;
obj.filePendingRemove = null;
obj.filePendingRemoves = null;
obj.filePendingSet = false;
obj.filePendingSets = null;
obj.filePendingCb = null;
obj.filePendingCbs = null;
obj.powerFilePendingSet = false;
obj.powerFilePendingSets = null;
obj.powerFilePendingCb = null;
obj.powerFilePendingCbs = null;
obj.eventsFilePendingSet = false;
obj.eventsFilePendingSets = null;
obj.eventsFilePendingCb = null;
obj.eventsFilePendingCbs = null;
}
obj.SetupDatabase = function (func) {
// Check if the database unique identifier is present
// This is used to check that in server peering mode, everyone is using the same database.
obj.Get('DatabaseIdentifier', function (err, docs) {
if (err != null) { parent.debug('db', 'ERROR (Get DatabaseIdentifier): ' + err); }
if ((err == null) && (docs.length == 1) && (docs[0].value != null)) {
obj.identifier = docs[0].value;
} else {
obj.identifier = Buffer.from(require('crypto').randomBytes(48), 'binary').toString('hex');
obj.Set({ _id: 'DatabaseIdentifier', value: obj.identifier });
}
});
// Load database schema version and check if we need to update
obj.Get('SchemaVersion', function (err, docs) {
if (err != null) { parent.debug('db', 'ERROR (Get SchemaVersion): ' + err); }
var ver = 0;
if ((err == null) && (docs.length == 1)) { ver = docs[0].value; }
if (ver == 1) { console.log('This is an unsupported beta 1 database, delete it to create a new one.'); process.exit(0); }
// TODO: Any schema upgrades here...
obj.Set({ _id: 'SchemaVersion', value: 2 });
func(ver);
});
};
// Perform database maintenance
obj.maintenance = function () {
if (obj.databaseType == 1) { // NeDB will not remove expired records unless we try to access them. This will force the removal.
obj.eventsfile.remove({ time: { '$lt': new Date(Date.now() - (expireEventsSeconds * 1000)) } }, { multi: true }); // Force delete older events
obj.powerfile.remove({ time: { '$lt': new Date(Date.now() - (expirePowerEventsSeconds * 1000)) } }, { multi: true }); // Force delete older events
obj.serverstatsfile.remove({ time: { '$lt': new Date(Date.now() - (expireServerStatsSeconds * 1000)) } }, { multi: true }); // Force delete older events
} else if ((obj.databaseType == 4) || (obj.databaseType == 5)) { // MariaDB or MySQL
sqlDbQuery('DELETE FROM events WHERE time < ?', [new Date(Date.now() - (expireEventsSeconds * 1000))], function (doc, err) { }); // Delete events older than expireEventsSeconds
sqlDbQuery('DELETE FROM power WHERE time < ?', [new Date(Date.now() - (expirePowerEventsSeconds * 1000))], function (doc, err) { }); // Delete events older than expirePowerSeconds
sqlDbQuery('DELETE FROM serverstats WHERE expire < ?', [new Date()], function (doc, err) { }); // Delete events where expiration date is in the past
sqlDbQuery('DELETE FROM smbios WHERE expire < ?', [new Date()], function (doc, err) { }); // Delete events where expiration date is in the past
} else if (obj.databaseType == 7) { // AceBase
//console.log('Performing AceBase maintenance');
obj.file.query('events').filter('time', '<', new Date(Date.now() - (expireEventsSeconds * 1000))).remove().then(function () {
obj.file.query('stats').filter('time', '<', new Date(Date.now() - (expireServerStatsSeconds * 1000))).remove().then(function () {
obj.file.query('power').filter('time', '<', new Date(Date.now() - (expirePowerEventsSeconds * 1000))).remove().then(function () {
//console.log('AceBase maintenance done');
});
});
});
} else if (obj.databaseType == 8) { // SQLite3
// TODO
}
obj.removeInactiveDevices();
}
// Remove inactive devices
obj.removeInactiveDevices = function (showall, cb) {
// Get a list of domains and what their inactive device removal setting is
var removeInactiveDevicesPerDomain = {}, minRemoveInactiveDevicesPerDomain = {}, minRemoveInactiveDevice = 9999;
for (var i in parent.config.domains) {
if (typeof parent.config.domains[i].autoremoveinactivedevices == 'number') {
var v = parent.config.domains[i].autoremoveinactivedevices;
if ((v >= 1) && (v <= 2000)) {
if (v < minRemoveInactiveDevice) { minRemoveInactiveDevice = v; }
removeInactiveDevicesPerDomain[i] = v;
minRemoveInactiveDevicesPerDomain[i] = v;
}
}
}
// Check if any device groups have a inactive device removal setting
for (var i in parent.webserver.meshes) {
if (typeof parent.webserver.meshes[i].expireDevs == 'number') {
var v = parent.webserver.meshes[i].expireDevs;
if ((v >= 1) && (v <= 2000)) {
if (v < minRemoveInactiveDevice) { minRemoveInactiveDevice = v; }
if ((minRemoveInactiveDevicesPerDomain[parent.webserver.meshes[i].domain] == null) || (minRemoveInactiveDevicesPerDomain[parent.webserver.meshes[i].domain] > v)) {
minRemoveInactiveDevicesPerDomain[parent.webserver.meshes[i].domain] = v;
}
} else {
delete parent.webserver.meshes[i].expireDevs;
}
}
}
// If there are no such settings for any domain, we can exit now.
if (minRemoveInactiveDevice == 9999) { if (cb) { cb("No device removal policy set, nothing to do."); } return; }
const now = Date.now();
// For each domain with a inactive device removal setting, get a list of last device connections
for (var domainid in minRemoveInactiveDevicesPerDomain) {
obj.GetAllTypeNoTypeField('lastconnect', domainid, function (err, docs) {
if ((err != null) || (docs == null)) return;
for (var j in docs) {
const days = Math.floor((now - docs[j].time) / 86400000); // Calculate the number of inactive days
var expireDays = -1;
if (removeInactiveDevicesPerDomain[docs[j].domain]) { expireDays = removeInactiveDevicesPerDomain[docs[j].domain]; }
const mesh = parent.webserver.meshes[docs[j].meshid];
if (mesh && (typeof mesh.expireDevs == 'number')) { expireDays = mesh.expireDevs; }
var remove = false;
if (expireDays > 0) {
if (expireDays < days) { remove = true; }
if (cb) { if (showall || remove) { cb(docs[j]._id.substring(2) + ', ' + days + ' days, expire ' + expireDays + ' days' + (remove ? ', removing' : '')); } }
if (remove) {
// Check if this device is connected right now
const nodeid = docs[j]._id.substring(2);
const conn = parent.GetConnectivityState(nodeid);
if (conn == null) {
// Remove the device
obj.Get(nodeid, function (err, docs) {
if (err != null) return;
if ((docs == null) || (docs.length != 1)) { obj.Remove('lc' + nodeid); return; } // Remove last connect time
const node = docs[0];
// Delete this node including network interface information, events and timeline
obj.Remove(node._id); // Remove node with that id
obj.Remove('if' + node._id); // Remove interface information
obj.Remove('nt' + node._id); // Remove notes
obj.Remove('lc' + node._id); // Remove last connect time
obj.Remove('si' + node._id); // Remove system information
obj.Remove('al' + node._id); // Remove error log last time
if (obj.RemoveSMBIOS) { obj.RemoveSMBIOS(node._id); } // Remove SMBios data
obj.RemoveAllNodeEvents(node._id); // Remove all events for this node
obj.removeAllPowerEventsForNode(node._id); // Remove all power events for this node
if (typeof node.pmt == 'string') { obj.Remove('pmt_' + node.pmt); } // Remove Push Messaging Token
obj.Get('ra' + node._id, function (err, nodes) {
if ((nodes != null) && (nodes.length == 1)) { obj.Remove('da' + nodes[0].daid); } // Remove diagnostic agent to real agent link
obj.Remove('ra' + node._id); // Remove real agent to diagnostic agent link
});
// Remove any user node links
if (node.links != null) {
for (var i in node.links) {
if (i.startsWith('user/')) {
var cuser = parent.webserver.users[i];
if ((cuser != null) && (cuser.links != null) && (cuser.links[node._id] != null)) {
// Remove the user link & save the user
delete cuser.links[node._id];
if (Object.keys(cuser.links).length == 0) { delete cuser.links; }
obj.SetUser(cuser);
// Notify user change
var targets = ['*', 'server-users', cuser._id];
var event = { etype: 'user', userid: cuser._id, username: cuser.name, action: 'accountchange', msgid: 86, msgArgs: [cuser.name], msg: 'Removed user device rights for ' + cuser.name, domain: node.domain, account: parent.webserver.CloneSafeUser(cuser) };
if (obj.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(targets, obj, event);
}
}
}
}
// Event node deletion
var meshname = '(unknown)';
if ((parent.webserver.meshes[node.meshid] != null) && (parent.webserver.meshes[node.meshid].name != null)) { meshname = parent.webserver.meshes[node.meshid].name; }
var event = { etype: 'node', action: 'removenode', nodeid: node._id, msgid: 87, msgArgs: [node.name, meshname], msg: 'Removed device ' + node.name + ' from device group ' + meshname, domain: node.domain };
// TODO: We can't use the changeStream for node delete because we will not know the meshid the device was in.
//if (obj.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to remove the node. Another event will come.
parent.DispatchEvent(parent.webserver.CreateNodeDispatchTargets(node.meshid, node._id), obj, event);
});
}
}
}
}
});
}
}
// Remove all reference to a domain from the database
obj.removeDomain = function (domainName, func) {
var pendingCalls;
// Remove all events, power events and SMBIOS data from the main collection. They are all in seperate collections now.
if (obj.databaseType == 7) {
// AceBase
pendingCalls = 3;
obj.file.query('meshcentral').filter('domain', '==', domainName).remove().then(function () { if (--pendingCalls == 0) { func(); } });
obj.file.query('events').filter('domain', '==', domainName).remove().then(function () { if (--pendingCalls == 0) { func(); } });
obj.file.query('power').filter('domain', '==', domainName).remove().then(function () { if (--pendingCalls == 0) { func(); } });
} else if ((obj.databaseType == 4) || (obj.databaseType == 5) || (obj.databaseType == 6)) {
// MariaDB, MySQL or PostgreSQL
pendingCalls = 2;
sqlDbQuery('DELETE FROM main WHERE domain = $1', [domainName], function () { if (--pendingCalls == 0) { func(); } });
sqlDbQuery('DELETE FROM events WHERE domain = $1', [domainName], function () { if (--pendingCalls == 0) { func(); } });
} else if (obj.databaseType == 3) {
// MongoDB
pendingCalls = 3;
obj.file.deleteMany({ domain: domainName }, { multi: true }, function () { if (--pendingCalls == 0) { func(); } });
obj.eventsfile.deleteMany({ domain: domainName }, { multi: true }, function () { if (--pendingCalls == 0) { func(); } });
obj.powerfile.deleteMany({ domain: domainName }, { multi: true }, function () { if (--pendingCalls == 0) { func(); } });
} else {
// NeDB or MongoJS
pendingCalls = 3;
obj.file.remove({ domain: domainName }, { multi: true }, function () { if (--pendingCalls == 0) { func(); } });
obj.eventsfile.remove({ domain: domainName }, { multi: true }, function () { if (--pendingCalls == 0) { func(); } });
obj.powerfile.remove({ domain: domainName }, { multi: true }, function () { if (--pendingCalls == 0) { func(); } });
}
}
obj.cleanup = function (func) {
// TODO: Remove all mesh links to invalid users
// TODO: Remove all meshes that dont have any links
// Remove all events, power events and SMBIOS data from the main collection. They are all in seperate collections now.
if ((obj.databaseType == 4) || (obj.databaseType == 5) || (obj.databaseType == 6)) {
// MariaDB, MySQL or PostgreSQL
obj.RemoveAllOfType('event', function () { });
obj.RemoveAllOfType('power', function () { });
obj.RemoveAllOfType('smbios', function () { });
} else if (obj.databaseType == 3) {
// MongoDB
obj.file.deleteMany({ type: 'event' }, { multi: true });
obj.file.deleteMany({ type: 'power' }, { multi: true });
obj.file.deleteMany({ type: 'smbios' }, { multi: true });
} else if ((obj.databaseType == 1) || (obj.databaseType == 2)) {
// NeDB or MongoJS
obj.file.remove({ type: 'event' }, { multi: true });
obj.file.remove({ type: 'power' }, { multi: true });
obj.file.remove({ type: 'smbios' }, { multi: true });
}
// List of valid identifiers
var validIdentifiers = {}
// Load all user groups
obj.GetAllType('ugrp', function (err, docs) {
if (err != null) { parent.debug('db', 'ERROR (GetAll user): ' + err); }
if ((err == null) && (docs.length > 0)) {
for (var i in docs) {
// Add this as a valid user identifier
validIdentifiers[docs[i]._id] = 1;
}
}
// Fix all of the creating & login to ticks by seconds, not milliseconds.
obj.GetAllType('user', function (err, docs) {
if (err != null) { parent.debug('db', 'ERROR (GetAll user): ' + err); }
if ((err == null) && (docs.length > 0)) {
for (var i in docs) {
var fixed = false;
// Add this as a valid user identifier
validIdentifiers[docs[i]._id] = 1;
// Fix email address capitalization
if (docs[i].email && (docs[i].email != docs[i].email.toLowerCase())) {
docs[i].email = docs[i].email.toLowerCase(); fixed = true;
}
// Fix account creation
if (docs[i].creation) {
if (docs[i].creation > 1300000000000) { docs[i].creation = Math.floor(docs[i].creation / 1000); fixed = true; }
if ((docs[i].creation % 1) != 0) { docs[i].creation = Math.floor(docs[i].creation); fixed = true; }
}
// Fix last account login
if (docs[i].login) {
if (docs[i].login > 1300000000000) { docs[i].login = Math.floor(docs[i].login / 1000); fixed = true; }
if ((docs[i].login % 1) != 0) { docs[i].login = Math.floor(docs[i].login); fixed = true; }
}
// Fix last password change
if (docs[i].passchange) {
if (docs[i].passchange > 1300000000000) { docs[i].passchange = Math.floor(docs[i].passchange / 1000); fixed = true; }
if ((docs[i].passchange % 1) != 0) { docs[i].passchange = Math.floor(docs[i].passchange); fixed = true; }
}
// Fix subscriptions
if (docs[i].subscriptions != null) { delete docs[i].subscriptions; fixed = true; }
// Save the user if needed
if (fixed) { obj.Set(docs[i]); }
}
// Remove all objects that have a "meshid" that no longer points to a valid mesh.
// Fix any incorrectly escaped user identifiers
obj.GetAllType('mesh', function (err, docs) {
if (err != null) { parent.debug('db', 'ERROR (GetAll mesh): ' + err); }
var meshlist = [];
if ((err == null) && (docs.length > 0)) {
for (var i in docs) {
var meshChange = false;
docs[i] = common.unEscapeLinksFieldName(docs[i]);
meshlist.push(docs[i]._id);
// Make sure all mesh types are number type, if not, fix it.
if (typeof docs[i].mtype == 'string') { docs[i].mtype = parseInt(docs[i].mtype); meshChange = true; }
// If the device group is deleted, remove any invite codes
if (docs[i].deleted && docs[i].invite) { delete docs[i].invite; meshChange = true; }
// Take a look at the links
if (docs[i].links != null) {
for (var j in docs[i].links) {
if (validIdentifiers[j] == null) {
// This identifier is not known, let see if we can fix it.
var xid = j, xid2 = common.unEscapeFieldName(xid);
while ((xid != xid2) && (validIdentifiers[xid2] == null)) { xid = xid2; xid2 = common.unEscapeFieldName(xid2); }
if (validIdentifiers[xid2] == 1) {
//console.log('Fixing id: ' + j + ' to ' + xid2);
docs[i].links[xid2] = docs[i].links[j];
delete docs[i].links[j];
meshChange = true;
} else {
// TODO: here, we may want to clean up links to users and user groups that do not exist anymore.
//console.log('Unknown id: ' + j);
}
}
}
}
// Save the updated device group if needed
if (meshChange) { obj.Set(docs[i]); }
}
}
if (obj.databaseType == 8) {
// SQLite
} else if (obj.databaseType == 7) {
// AceBase
} else if (obj.databaseType == 6) {
// Postgres
sqlDbQuery('DELETE FROM Main WHERE ((extra != NULL) AND (extra LIKE (\'mesh/%\')) AND (extra != ANY ($1)))', [meshlist], function (err, response) { });
} else if ((obj.databaseType == 4) || (obj.databaseType == 5)) {
// MariaDB
sqlDbQuery('DELETE FROM Main WHERE (extra LIKE ("mesh/%") AND (extra NOT IN ?)', [meshlist], function (err, response) { });
} else if (obj.databaseType == 3) {
// MongoDB
obj.file.deleteMany({ meshid: { $exists: true, $nin: meshlist } }, { multi: true });
} else {
// NeDB or MongoJS
obj.file.remove({ meshid: { $exists: true, $nin: meshlist } }, { multi: true });
}
// We are done
validIdentifiers = null;
if (func) { func(); }
});
}
});
});
};
// Get encryption key
obj.getEncryptDataKey = function (password, salt, iterations) {
if (typeof password != 'string') return null;
let key;
try {
key = parent.crypto.pbkdf2Sync(password, salt, iterations, 32, 'sha384');
} catch (ex) {
// If this previous call fails, it's probably because older pbkdf2 did not specify the hashing function, just use the default.
key = parent.crypto.pbkdf2Sync(password, salt, iterations, 32);
}
return key
}
// Encrypt data
obj.encryptData = function (password, plaintext) {
let encryptionVersion = 0x01;
let iterations = 100000
const iv = parent.crypto.randomBytes(16);
var key = obj.getEncryptDataKey(password, iv, iterations);
if (key == null) return null;
const aes = parent.crypto.createCipheriv('aes-256-gcm', key, iv);
var ciphertext = aes.update(plaintext);
let versionbuf = Buffer.allocUnsafe(2);
versionbuf.writeUInt16BE(encryptionVersion);
let iterbuf = Buffer.allocUnsafe(4);
iterbuf.writeUInt32BE(iterations);
let encryptedBuf = aes.final();
ciphertext = Buffer.concat([versionbuf, iterbuf, aes.getAuthTag(), iv, ciphertext, encryptedBuf]);
return ciphertext.toString('base64');
}
// Decrypt data
obj.decryptData = function (password, ciphertext) {
// Adding an encryption version lets us avoid try catching in the future
let ciphertextBytes = Buffer.from(ciphertext, 'base64');
let encryptionVersion = ciphertextBytes.readUInt16BE(0);
try {
switch (encryptionVersion) {
case 0x01:
let iterations = ciphertextBytes.readUInt32BE(2);
let authTag = ciphertextBytes.slice(6, 22);
const iv = ciphertextBytes.slice(22, 38);
const data = ciphertextBytes.slice(38);
let key = obj.getEncryptDataKey(password, iv, iterations);
if (key == null) return null;
const aes = parent.crypto.createDecipheriv('aes-256-gcm', key, iv);
aes.setAuthTag(authTag);
let plaintextBytes = Buffer.from(aes.update(data));
plaintextBytes = Buffer.concat([plaintextBytes, aes.final()]);
return plaintextBytes;
default:
return obj.oldDecryptData(password, ciphertextBytes);
}
} catch (ex) { return obj.oldDecryptData(password, ciphertextBytes); }
}
// Encrypt data
// The older encryption system uses CBC without integraty checking.
// This method is kept only for testing
obj.oldEncryptData = function (password, plaintext) {
let key = parent.crypto.createHash('sha384').update(password).digest('raw').slice(0, 32);
if (key == null) return null;
const iv = parent.crypto.randomBytes(16);
const aes = parent.crypto.createCipheriv('aes-256-cbc', key, iv);
var ciphertext = aes.update(plaintext);
ciphertext = Buffer.concat([iv, ciphertext, aes.final()]);
return ciphertext.toString('base64');
}
// Decrypt data
// The older encryption system uses CBC without integraty checking.
// This method is kept only to convert the old encryption to the new one.
obj.oldDecryptData = function (password, ciphertextBytes) {
if (typeof password != 'string') return null;
try {
const iv = ciphertextBytes.slice(0, 16);
const data = ciphertextBytes.slice(16);
let key = parent.crypto.createHash('sha384').update(password).digest('raw').slice(0, 32);
const aes = parent.crypto.createDecipheriv('aes-256-cbc', key, iv);
let plaintextBytes = Buffer.from(aes.update(data));
plaintextBytes = Buffer.concat([plaintextBytes, aes.final()]);
return plaintextBytes;
} catch (ex) { return null; }
}
// Get the number of records in the database for various types, this is the slow NeDB way.
// WARNING: This is a terrible query for database performance. Only do this when needed. This query will look at almost every document in the database.
obj.getStats = function (func) {
if (obj.databaseType == 7) {
// AceBase
// TODO
} else if (obj.databaseType == 6) {
// PostgreSQL
// TODO
} else if (obj.databaseType == 5) {
// MySQL
// TODO
} else if (obj.databaseType == 4) {
// MariaDB
// TODO
} else if (obj.databaseType == 3) {
// MongoDB
obj.file.aggregate([{ "$group": { _id: "$type", count: { $sum: 1 } } }]).toArray(function (err, docs) {
var counters = {}, totalCount = 0;
if (err == null) { for (var i in docs) { if (docs[i]._id != null) { counters[docs[i]._id] = docs[i].count; totalCount += docs[i].count; } } }
func(counters);
});
} else if (obj.databaseType == 2) {
// MongoJS
obj.file.aggregate([{ "$group": { _id: "$type", count: { $sum: 1 } } }], function (err, docs) {
var counters = {}, totalCount = 0;
if (err == null) { for (var i in docs) { if (docs[i]._id != null) { counters[docs[i]._id] = docs[i].count; totalCount += docs[i].count; } } }
func(counters);
});
} else if (obj.databaseType == 1) {
// NeDB version
obj.file.count({ type: 'node' }, function (err, nodeCount) {
obj.file.count({ type: 'mesh' }, function (err, meshCount) {
obj.file.count({ type: 'user' }, function (err, userCount) {
obj.file.count({ type: 'sysinfo' }, function (err, sysinfoCount) {
obj.file.count({ type: 'note' }, function (err, noteCount) {
obj.file.count({ type: 'iploc' }, function (err, iplocCount) {
obj.file.count({ type: 'ifinfo' }, function (err, ifinfoCount) {
obj.file.count({ type: 'cfile' }, function (err, cfileCount) {
obj.file.count({ type: 'lastconnect' }, function (err, lastconnectCount) {
obj.file.count({}, function (err, totalCount) {
func({ node: nodeCount, mesh: meshCount, user: userCount, sysinfo: sysinfoCount, iploc: iplocCount, note: noteCount, ifinfo: ifinfoCount, cfile: cfileCount, lastconnect: lastconnectCount, total: totalCount });
});
});
});
});
});
});
});
});
});
});
}
}
// This is used to rate limit a number of operation per day. Returns a startValue each new days, but you can substract it and save the value in the db.
obj.getValueOfTheDay = function (id, startValue, func) { obj.Get(id, function (err, docs) { var date = new Date(), t = date.toLocaleDateString(); if ((err == null) && (docs.length == 1)) { var r = docs[0]; if (r.day == t) { func({ _id: id, value: r.value, day: t }); return; } } func({ _id: id, value: startValue, day: t }); }); };
obj.escapeBase64 = function escapeBase64(val) { return (val.replace(/\+/g, '@').replace(/\//g, '$')); }
// Encrypt an database object
obj.performRecordEncryptionRecode = function (func) {
var count = 0;
obj.GetAllType('user', function (err, docs) {
if (err != null) { parent.debug('db', 'ERROR (performRecordEncryptionRecode): ' + err); }
if (err == null) { for (var i in docs) { count++; obj.Set(docs[i]); } }
obj.GetAllType('node', function (err, docs) {
if (err == null) { for (var i in docs) { count++; obj.Set(docs[i]); } }
obj.GetAllType('mesh', function (err, docs) {
if (err == null) { for (var i in docs) { count++; obj.Set(docs[i]); } }
if (obj.databaseType == 1) { // If we are using NeDB, compact the database.
obj.file.persistence.compactDatafile();
obj.file.on('compaction.done', function () { func(count); }); // It's important to wait for compaction to finish before exit, otherwise NeDB may corrupt.
} else {
func(count); // For all other databases, normal exit.
}
});
});
});
}
// Encrypt an database object
function performTypedRecordDecrypt(data) {
if ((data == null) || (obj.dbRecordsDecryptKey == null) || (typeof data != 'object')) return data;
for (var i in data) {
if ((data[i] == null) || (typeof data[i] != 'object')) continue;
data[i] = performPartialRecordDecrypt(data[i]);
if ((data[i].intelamt != null) && (typeof data[i].intelamt == 'object') && (data[i].intelamt._CRYPT)) { data[i].intelamt = performPartialRecordDecrypt(data[i].intelamt); }
if ((data[i].amt != null) && (typeof data[i].amt == 'object') && (data[i].amt._CRYPT)) { data[i].amt = performPartialRecordDecrypt(data[i].amt); }
if ((data[i].kvm != null) && (typeof data[i].kvm == 'object') && (data[i].kvm._CRYPT)) { data[i].kvm = performPartialRecordDecrypt(data[i].kvm); }
}
return data;
}
// Encrypt an database object
function performTypedRecordEncrypt(data) {
if (obj.dbRecordsEncryptKey == null) return data;
if (data.type == 'user') { return performPartialRecordEncrypt(Clone(data), ['otpkeys', 'otphkeys', 'otpsecret', 'salt', 'hash', 'oldpasswords']); }
else if ((data.type == 'node') && (data.ssh || data.rdp || data.intelamt)) {
var xdata = Clone(data);
if (data.ssh || data.rdp) { xdata = performPartialRecordEncrypt(xdata, ['ssh', 'rdp']); }
if (data.intelamt) { xdata.intelamt = performPartialRecordEncrypt(xdata.intelamt, ['pass', 'mpspass']); }
return xdata;
}
else if ((data.type == 'mesh') && (data.amt || data.kvm)) {
var xdata = Clone(data);
if (data.amt) { xdata.amt = performPartialRecordEncrypt(xdata.amt, ['password']); }
if (data.kvm) { xdata.kvm = performPartialRecordEncrypt(xdata.kvm, ['pass']); }
return xdata;
}
return data;
}
// Encrypt an object and return a buffer.
function performPartialRecordEncrypt(plainobj, encryptNames) {
if (typeof plainobj != 'object') return plainobj;
var enc = {}, enclen = 0;
for (var i in encryptNames) { if (plainobj[encryptNames[i]] != null) { enclen++; enc[encryptNames[i]] = plainobj[encryptNames[i]]; delete plainobj[encryptNames[i]]; } }
if (enclen > 0) { plainobj._CRYPT = performRecordEncrypt(enc); } else { delete plainobj._CRYPT; }
return plainobj;
}
// Encrypt an object and return a buffer.
function performPartialRecordDecrypt(plainobj) {
if ((typeof plainobj != 'object') || (plainobj._CRYPT == null)) return plainobj;
var enc = performRecordDecrypt(plainobj._CRYPT);
if (enc != null) { for (var i in enc) { plainobj[i] = enc[i]; } }
delete plainobj._CRYPT;
return plainobj;
}
// Encrypt an object and return a base64.
function performRecordEncrypt(plainobj) {
if (obj.dbRecordsEncryptKey == null) return null;
const iv = parent.crypto.randomBytes(12);
const aes = parent.crypto.createCipheriv('aes-256-gcm', obj.dbRecordsEncryptKey, iv);
var ciphertext = aes.update(JSON.stringify(plainobj));
var cipherfinal = aes.final();
ciphertext = Buffer.concat([iv, aes.getAuthTag(), ciphertext, cipherfinal]);
return ciphertext.toString('base64');
}
// Takes a base64 and return an object.
function performRecordDecrypt(ciphertext) {
if (obj.dbRecordsDecryptKey == null) return null;
const ciphertextBytes = Buffer.from(ciphertext, 'base64');
const iv = ciphertextBytes.slice(0, 12);
const data = ciphertextBytes.slice(28);
const aes = parent.crypto.createDecipheriv('aes-256-gcm', obj.dbRecordsDecryptKey, iv);
aes.setAuthTag(ciphertextBytes.slice(12, 28));
var plaintextBytes, r;
try {
plaintextBytes = Buffer.from(aes.update(data));
plaintextBytes = Buffer.concat([plaintextBytes, aes.final()]);
r = JSON.parse(plaintextBytes.toString());
} catch (e) { throw "Incorrect DbRecordsDecryptKey/DbRecordsEncryptKey or invalid database _CRYPT data: " + e; }
return r;
}
// Clone an object (TODO: Make this more efficient)
function Clone(v) { return JSON.parse(JSON.stringify(v)); }
// Read expiration time from configuration file
if (typeof parent.args.dbexpire == 'object') {
if (typeof parent.args.dbexpire.events == 'number') { expireEventsSeconds = parent.args.dbexpire.events; }
if (typeof parent.args.dbexpire.powerevents == 'number') { expirePowerEventsSeconds = parent.args.dbexpire.powerevents; }
if (typeof parent.args.dbexpire.statsevents == 'number') { expireServerStatsSeconds = parent.args.dbexpire.statsevents; }
}
// If a DB record encryption key is provided, perform database record encryption
if ((typeof parent.args.dbrecordsencryptkey == 'string') && (parent.args.dbrecordsencryptkey.length != 0)) {
// Hash the database password into a AES256 key and setup encryption and decryption.
obj.dbRecordsEncryptKey = obj.dbRecordsDecryptKey = parent.crypto.createHash('sha384').update(parent.args.dbrecordsencryptkey).digest('raw').slice(0, 32);
}
// If a DB record decryption key is provided, perform database record decryption
if ((typeof parent.args.dbrecordsdecryptkey == 'string') && (parent.args.dbrecordsdecryptkey.length != 0)) {
// Hash the database password into a AES256 key and setup encryption and decryption.
obj.dbRecordsDecryptKey = parent.crypto.createHash('sha384').update(parent.args.dbrecordsdecryptkey).digest('raw').slice(0, 32);
}
function createTablesIfNotExist(dbname) {
var useDatabase = 'USE ' + dbname;
sqlDbQuery(useDatabase, null, function (err, docs) {
if (err != null) {
console.log("Unable to connect to database: " + err);
process.exit();
}
if (err == null) {
parent.debug('db', 'Checking tables...');
sqlDbBatchExec([
'CREATE TABLE IF NOT EXISTS main (id VARCHAR(256) NOT NULL, type CHAR(32), domain CHAR(64), extra CHAR(255), extraex CHAR(255), doc JSON, PRIMARY KEY(id), CHECK (json_valid(doc)))',
'CREATE TABLE IF NOT EXISTS events (id INT NOT NULL AUTO_INCREMENT, time DATETIME, domain CHAR(64), action CHAR(255), nodeid CHAR(255), userid CHAR(255), doc JSON, PRIMARY KEY(id), CHECK(json_valid(doc)))',
'CREATE TABLE IF NOT EXISTS eventids (fkid INT NOT NULL, target CHAR(255), CONSTRAINT fk_eventid FOREIGN KEY (fkid) REFERENCES events (id) ON DELETE CASCADE ON UPDATE RESTRICT)',
'CREATE TABLE IF NOT EXISTS serverstats (time DATETIME, expire DATETIME, doc JSON, PRIMARY KEY(time), CHECK (json_valid(doc)))',
'CREATE TABLE IF NOT EXISTS power (id INT NOT NULL AUTO_INCREMENT, time DATETIME, nodeid CHAR(255), doc JSON, PRIMARY KEY(id), CHECK (json_valid(doc)))',
'CREATE TABLE IF NOT EXISTS smbios (id CHAR(255), time DATETIME, expire DATETIME, doc JSON, PRIMARY KEY(id), CHECK (json_valid(doc)))',
'CREATE TABLE IF NOT EXISTS plugin (id INT NOT NULL AUTO_INCREMENT, doc JSON, PRIMARY KEY(id), CHECK (json_valid(doc)))'
], function (err) {
parent.debug('db', 'Checking indexes...');
sqlDbExec('CREATE INDEX ndxtypedomainextra ON main (type, domain, extra)', null, function (err, response) { });
sqlDbExec('CREATE INDEX ndxextra ON main (extra)', null, function (err, response) { });
sqlDbExec('CREATE INDEX ndxextraex ON main (extraex)', null, function (err, response) { });
sqlDbExec('CREATE INDEX ndxeventstime ON events(time)', null, function (err, response) { });
sqlDbExec('CREATE INDEX ndxeventsusername ON events(domain, userid, time)', null, function (err, response) { });
sqlDbExec('CREATE INDEX ndxeventsdomainnodeidtime ON events(domain, nodeid, time)', null, function (err, response) { });
sqlDbExec('CREATE INDEX ndxeventids ON eventids(target)', null, function (err, response) { });
sqlDbExec('CREATE INDEX ndxserverstattime ON serverstats (time)', null, function (err, response) { });
sqlDbExec('CREATE INDEX ndxserverstatexpire ON serverstats (expire)', null, function (err, response) { });
sqlDbExec('CREATE INDEX ndxpowernodeidtime ON power (nodeid, time)', null, function (err, response) { });
sqlDbExec('CREATE INDEX ndxsmbiostime ON smbios (time)', null, function (err, response) { });
sqlDbExec('CREATE INDEX ndxsmbiosexpire ON smbios (expire)', null, function (err, response) { });
setupFunctions(func);
});
}
});
}
if (parent.args.sqlite3) {
// SQLite3 database setup
obj.databaseType = 8;
const sqlite3 = require('sqlite3');
obj.file = new sqlite3.Database(parent.path.join(parent.datapath, 'meshcentral.sqlite'), sqlite3.OPEN_READWRITE, function (err) {
if (err && (err.code == 'SQLITE_CANTOPEN')) {
// Database needs to be created
obj.file = new sqlite3.Database(parent.path.join(parent.datapath, 'meshcentral.sqlite'), function (err) {
if (err) { console.log("SQLite Error: " + err); exit(1); return; }
obj.file.exec(`
CREATE TABLE main (id VARCHAR(256) PRIMARY KEY NOT NULL, type CHAR(32), domain CHAR(64), extra CHAR(255), extraex CHAR(255), doc JSON);
CREATE TABLE events(id INTEGER PRIMARY KEY, time TIMESTAMP, domain CHAR(64), action CHAR(255), nodeid CHAR(255), userid CHAR(255), doc JSON);
CREATE TABLE eventids(fkid INT NOT NULL, target CHAR(255), CONSTRAINT fk_eventid FOREIGN KEY (fkid) REFERENCES events (id) ON DELETE CASCADE ON UPDATE RESTRICT);
CREATE TABLE serverstats (time TIMESTAMP PRIMARY KEY, expire TIMESTAMP, doc JSON);
CREATE TABLE power (id INTEGER PRIMARY KEY, time TIMESTAMP, nodeid CHAR(255), doc JSON);
CREATE TABLE smbios (id CHAR(255) PRIMARY KEY, time TIMESTAMP, expire TIMESTAMP, doc JSON);
CREATE TABLE plugin (id INTEGER PRIMARY KEY, doc JSON);
CREATE INDEX ndxtypedomainextra ON main (type, domain, extra);
CREATE INDEX ndxextra ON main (extra);
CREATE INDEX ndxextraex ON main (extraex);
CREATE INDEX ndxeventstime ON events(time);
CREATE INDEX ndxeventsusername ON events(domain, userid, time);
CREATE INDEX ndxeventsdomainnodeidtime ON events(domain, nodeid, time);
CREATE INDEX ndxeventids ON eventids(target);
CREATE INDEX ndxserverstattime ON serverstats (time);
CREATE INDEX ndxserverstatexpire ON serverstats (expire);
CREATE INDEX ndxpowernodeidtime ON power (nodeid, time);
CREATE INDEX ndxsmbiostime ON smbios (time);
CREATE INDEX ndxsmbiosexpire ON smbios (expire);
`, function (err) {
// Completed setup of SQLite3
setupFunctions(func);
}
);
});
return;
} else if (err) { console.log("SQLite Error: " + err); exit(1); return; }
// Completed setup of SQLite3
setupFunctions(func);
});
} else if (parent.args.acebase) {
// AceBase database setup
obj.databaseType = 7;
const { AceBase } = require('acebase');
// For information on AceBase sponsor: https://github.com/appy-one/acebase/discussions/100
obj.file = new AceBase('meshcentral', { sponsor: ((typeof parent.args.acebase == 'object') && (parent.args.acebase.sponsor)), logLevel: 'error', storage: { path: parent.datapath } });
// Get all the databases ready
obj.file.ready(function () {
// Create AceBase indexes
obj.file.indexes.create('meshcentral', 'type', { include: ['domain', 'meshid'] });
obj.file.indexes.create('meshcentral', 'email');
obj.file.indexes.create('meshcentral', 'meshid');
obj.file.indexes.create('meshcentral', 'intelamt.uuid');
obj.file.indexes.create('events', 'userid', { include: ['action'] });
obj.file.indexes.create('events', 'domain', { include: ['nodeid', 'time'] });
obj.file.indexes.create('events', 'ids', { include: ['time'] });
obj.file.indexes.create('events', 'time');
obj.file.indexes.create('power', 'nodeid', { include: ['time'] });
obj.file.indexes.create('power', 'time');
obj.file.indexes.create('stats', 'time');
obj.file.indexes.create('stats', 'expire');
// Completed setup of AceBase
setupFunctions(func);
});
} else if (parent.args.mariadb || parent.args.mysql) {
var connectinArgs = (parent.args.mariadb) ? parent.args.mariadb : parent.args.mysql;
if (typeof connectinArgs == 'string') {
const parts = connectinArgs.split(/[:@/]+/);
var connectionObject = {
"user": parts[1],
"password": parts[2],
"host": parts[3],
"port": parts[4],
"database": parts[5]
};
var dbname = (connectionObject.database != null) ? connectionObject.database : 'meshcentral';
} else {
var dbname = (connectinArgs.database != null) ? connectinArgs.database : 'meshcentral';
// Including the db name in the connection obj will cause a connection faliure if it does not exist
var connectionObject = Clone(connectinArgs);
delete connectionObject.database;
try {
if (connectinArgs.ssl) {
if (connectinArgs.ssl.dontcheckserveridentity == true) { connectionObject.ssl.checkServerIdentity = function (name, cert) { return undefined; } };
if (connectinArgs.ssl.cacertpath) { connectionObject.ssl.ca = [require('fs').readFileSync(connectinArgs.ssl.cacertpath, 'utf8')]; }
if (connectinArgs.ssl.clientcertpath) { connectionObject.ssl.cert = [require('fs').readFileSync(connectinArgs.ssl.clientcertpath, 'utf8')]; }
if (connectinArgs.ssl.clientkeypath) { connectionObject.ssl.key = [require('fs').readFileSync(connectinArgs.ssl.clientkeypath, 'utf8')]; }
}
} catch (ex) {
console.log('Error loading SQL Connector certificate: ' + ex);
process.exit();
}
}
if (parent.args.mariadb) {
// Use MariaDB
obj.databaseType = 4;
var tempDatastore = require('mariadb').createPool(connectionObject);
tempDatastore.getConnection().then(function (conn) {
conn.query('CREATE DATABASE IF NOT EXISTS ' + dbname).then(function (result) {
conn.release();
}).catch(function (ex) { console.log('Auto-create database failed: ' + ex); });
}).catch(function (ex) { console.log('Auto-create database failed: ' + ex); });
setTimeout(function () { tempDatastore.end(); }, 2000);
connectionObject.database = dbname;
Datastore = require('mariadb').createPool(connectionObject);
createTablesIfNotExist(dbname);
} else if (parent.args.mysql) {
// Use MySQL
obj.databaseType = 5;
var tempDatastore = require('mysql2').createPool(connectionObject);
tempDatastore.query('CREATE DATABASE IF NOT EXISTS ' + dbname, function (error) {
if (error != null) {
console.log('Auto-create database failed: ' + error);
}
connectionObject.database = dbname;
Datastore = require('mysql2').createPool(connectionObject);
createTablesIfNotExist(dbname);
});
setTimeout(function () { tempDatastore.end(); }, 2000);
}
} else if (parent.args.postgres) {
// Postgres SQL
var connectinArgs = parent.args.postgres;
var dbname = (connectinArgs.database != null) ? connectinArgs.database : 'meshcentral';
delete connectinArgs.database;
obj.databaseType = 6;
const { Pool, Client } = require('pg');
connectinArgs.database = dbname;
Datastore = new Client(connectinArgs);
Datastore.connect();
sqlDbQuery('SELECT 1 FROM pg_database WHERE datname = $1', [dbname], function (dberr, dbdocs) { // check database exists first before creating
if (dberr == null) { // database exists now check tables exists
sqlDbQuery('SELECT doc FROM main WHERE id = $1', ['DatabaseIdentifier'], function (err, docs) {
if (err == null) { setupFunctions(func); } else { postgreSqlCreateTables(func); } // If not present, create the tables and indexes
});
} else { // If not present, create the tables and indexes
const pgtools = require('pgtools');
pgtools.createdb(connectinArgs, dbname, function (err, res) {
if (err == null) {
// Create the tables and indexes
postgreSqlCreateTables(func);
} else {
// Database already existed, perform a test query to see if the main table is present
sqlDbQuery('SELECT doc FROM main WHERE id = $1', ['DatabaseIdentifier'], function (err, docs) {
if (err == null) { setupFunctions(func); } else { postgreSqlCreateTables(func); } // If not present, create the tables and indexes
});
}
});
}
});
} else if (parent.args.mongodb) {
// Use MongoDB
obj.databaseType = 3;
// If running an older NodeJS version, TextEncoder/TextDecoder is required
if (global.TextEncoder == null) { global.TextEncoder = require('util').TextEncoder; }
if (global.TextDecoder == null) { global.TextDecoder = require('util').TextDecoder; }
require('mongodb').MongoClient.connect(parent.args.mongodb, { useNewUrlParser: true, useUnifiedTopology: true }, function (err, client) {
if (err != null) { console.log("Unable to connect to database: " + err); process.exit(); return; }
Datastore = client;
parent.debug('db', 'Connected to MongoDB database...');
// Get the database name and setup the database client
var dbname = 'meshcentral';
if (parent.args.mongodbname) { dbname = parent.args.mongodbname; }
const dbcollectionname = (parent.args.mongodbcol) ? (parent.args.mongodbcol) : 'meshcentral';
const db = client.db(dbname);
// Check the database version
db.admin().serverInfo(function (err, info) {
if ((err != null) || (info == null) || (info.versionArray == null) || (Array.isArray(info.versionArray) == false) || (info.versionArray.length < 2) || (typeof info.versionArray[0] != 'number') || (typeof info.versionArray[1] != 'number')) {
console.log('WARNING: Unable to check MongoDB version.');
} else {
if ((info.versionArray[0] < 3) || ((info.versionArray[0] == 3) && (info.versionArray[1] < 6))) {
// We are running with mongoDB older than 3.6, this is not good.
parent.addServerWarning("Current version of MongoDB (" + info.version + ") is too old, please upgrade to MongoDB 3.6 or better.");
}
}
});
// Setup MongoDB main collection and indexes
obj.file = db.collection(dbcollectionname);
obj.file.indexes(function (err, indexes) {
// Check if we need to reset indexes
var indexesByName = {}, indexCount = 0;
for (var i in indexes) { indexesByName[indexes[i].name] = indexes[i]; indexCount++; }
if ((indexCount != 5) || (indexesByName['TypeDomainMesh1'] == null) || (indexesByName['Email1'] == null) || (indexesByName['Mesh1'] == null) || (indexesByName['AmtUuid1'] == null)) {
console.log('Resetting main indexes...');
obj.file.dropIndexes(function (err) {
obj.file.createIndex({ type: 1, domain: 1, meshid: 1 }, { sparse: 1, name: 'TypeDomainMesh1' }); // Speeds up GetAllTypeNoTypeField() and GetAllTypeNoTypeFieldMeshFiltered()
obj.file.createIndex({ email: 1 }, { sparse: 1, name: 'Email1' }); // Speeds up GetUserWithEmail() and GetUserWithVerifiedEmail()
obj.file.createIndex({ meshid: 1 }, { sparse: 1, name: 'Mesh1' }); // Speeds up RemoveMesh()
obj.file.createIndex({ 'intelamt.uuid': 1 }, { sparse: 1, name: 'AmtUuid1' }); // Speeds up getAmtUuidMeshNode()
});
}
});
// Setup the changeStream on the MongoDB main collection if possible
if (parent.args.mongodbchangestream == true) {
obj.dbCounters.changeStream = { change: 0, update: 0, insert: 0, delete: 0 };
if (typeof obj.file.watch != 'function') {
console.log('WARNING: watch() is not a function, MongoDB ChangeStream not supported.');
} else {
obj.fileChangeStream = obj.file.watch([{ $match: { $or: [{ 'fullDocument.type': { $in: ['node', 'mesh', 'user', 'ugrp'] } }, { 'operationType': 'delete' }] } }], { fullDocument: 'updateLookup' });
obj.fileChangeStream.on('change', function (change) {
obj.dbCounters.changeStream.change++;
if ((change.operationType == 'update') || (change.operationType == 'replace')) {
obj.dbCounters.changeStream.update++;
switch (change.fullDocument.type) {
case 'node': { dbNodeChange(change, false); break; } // A node has changed
case 'mesh': { dbMeshChange(change, false); break; } // A device group has changed
case 'user': { dbUserChange(change, false); break; } // A user account has changed
case 'ugrp': { dbUGrpChange(change, false); break; } // A user account has changed
}
} else if (change.operationType == 'insert') {
obj.dbCounters.changeStream.insert++;
switch (change.fullDocument.type) {
case 'node': { dbNodeChange(change, true); break; } // A node has added
case 'mesh': { dbMeshChange(change, true); break; } // A device group has created
case 'user': { dbUserChange(change, true); break; } // A user account has created
case 'ugrp': { dbUGrpChange(change, true); break; } // A user account has created
}
} else if (change.operationType == 'delete') {
obj.dbCounters.changeStream.delete++;
if ((change.documentKey == null) || (change.documentKey._id == null)) return;
var splitId = change.documentKey._id.split('/');
switch (splitId[0]) {
case 'node': {
//Not Good: Problem here is that we don't know what meshid the node belonged to before the delete.
//parent.DispatchEvent(['*', node.meshid], obj, { etype: 'node', action: 'removenode', nodeid: change.documentKey._id, domain: splitId[1] });
break;
}
case 'mesh': {
parent.DispatchEvent(['*', change.documentKey._id], obj, { etype: 'mesh', action: 'deletemesh', meshid: change.documentKey._id, domain: splitId[1] });
break;
}
case 'user': {
//Not Good: This is not a perfect user removal because we don't know what groups the user was in.
//parent.DispatchEvent(['*', 'server-users'], obj, { etype: 'user', action: 'accountremove', userid: change.documentKey._id, domain: splitId[1], username: splitId[2] });
break;
}
case 'ugrp': {
parent.DispatchEvent(['*', change.documentKey._id], obj, { etype: 'ugrp', action: 'deleteusergroup', ugrpid: change.documentKey._id, domain: splitId[1] });
break;
}
}
}
});
obj.changeStream = true;
}
}
// Setup MongoDB events collection and indexes
obj.eventsfile = db.collection('events'); // Collection containing all events
obj.eventsfile.indexes(function (err, indexes) {
// Check if we need to reset indexes
var indexesByName = {}, indexCount = 0;
for (var i in indexes) { indexesByName[indexes[i].name] = indexes[i]; indexCount++; }
if ((indexCount != 5) || (indexesByName['UseridAction1'] == null) || (indexesByName['DomainNodeTime1'] == null) || (indexesByName['IdsAndTime1'] == null) || (indexesByName['ExpireTime1'] == null)) {
// Reset all indexes
console.log("Resetting events indexes...");
obj.eventsfile.dropIndexes(function (err) {
obj.eventsfile.createIndex({ userid: 1, action: 1 }, { sparse: 1, name: 'UseridAction1' });
obj.eventsfile.createIndex({ domain: 1, nodeid: 1, time: -1 }, { sparse: 1, name: 'DomainNodeTime1' });
obj.eventsfile.createIndex({ ids: 1, time: -1 }, { sparse: 1, name: 'IdsAndTime1' });
obj.eventsfile.createIndex({ time: 1 }, { expireAfterSeconds: expireEventsSeconds, name: 'ExpireTime1' });
});
} else if (indexesByName['ExpireTime1'].expireAfterSeconds != expireEventsSeconds) {
// Reset the timeout index
console.log("Resetting events expire index...");
obj.eventsfile.dropIndex('ExpireTime1', function (err) {
obj.eventsfile.createIndex({ time: 1 }, { expireAfterSeconds: expireEventsSeconds, name: 'ExpireTime1' });
});