mirror of
https://github.com/Ylianst/MeshCentral.git
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121 lines
8.2 KiB
JavaScript
121 lines
8.2 KiB
JavaScript
/**
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* @description MeshCentral database module
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* @author Ylian Saint-Hilaire
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* @copyright Intel Corporation 2018
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* @license Apache-2.0
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* @version v0.0.2
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*/
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//
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// Construct Meshcentral database object
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//
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// The default database is NeDB
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// https://github.com/louischatriot/nedb
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//
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// Alternativety, MongoDB can be used
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// https://www.mongodb.com/
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// Just run with --mongodb [connectionstring], where the connection string is documented here: https://docs.mongodb.com/manual/reference/connection-string/
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// The default collection is "meshcentral", but you can override it using --mongodbcol [collection]
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//
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module.exports.CreateDB = function (parent) {
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var obj = {};
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obj.path = require('path');
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obj.parent = parent;
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obj.identifier = null;
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if (obj.parent.args.mongodb) {
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// Use MongoDB
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obj.databaseType = 2;
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var Datastore = require('mongojs');
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var db = Datastore(obj.parent.args.mongodb);
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var dbcollection = 'meshcentral';
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if (obj.parent.args.mongodbcol) { dbcollection = obj.parent.args.mongodbcol; }
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obj.file = db.collection(dbcollection);
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} else {
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// Use NeDB (The default)
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obj.databaseType = 1;
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var Datastore = require('nedb');
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obj.file = new Datastore({ filename: obj.parent.getConfigFilePath('meshcentral.db'), autoload: true });
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obj.file.persistence.setAutocompactionInterval(3600);
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}
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obj.SetupDatabase = function (func) {
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// Check if the database unique identifier is present
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// This is used to check that in server peering mode, everyone is using the same database.
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obj.Get('DatabaseIdentifier', function (err, docs) {
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if ((docs.length == 1) && (docs[0].value != null)) {
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obj.identifier = docs[0].value;
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} else {
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obj.identifier = new Buffer(require('crypto').randomBytes(48), 'binary').toString('hex');
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obj.Set({ _id: 'DatabaseIdentifier', value: obj.identifier });
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}
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});
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// Load database schema version and check if we need to update
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obj.Get('SchemaVersion', function (err, docs) {
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var ver = 0;
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if (docs && docs.length == 1) { ver = docs[0].value; }
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if (ver == 1) { console.log('This is an unsupported beta 1 database, delete it to create a new one.'); process.exit(0); }
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// TODO: Any schema upgrades here...
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obj.Set({ _id: 'SchemaVersion', value: 2 });
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func(ver);
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});
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}
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obj.cleanup = function () {
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// TODO: Remove all mesh links to invalid users
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// TODO: Remove all meshes that dont have any links
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// Remove all objects that have a "meshid" that no longer points to a valid mesh.
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obj.GetAllType('mesh', function (err, docs) {
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var meshlist = [];
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if (err == null && docs.length > 0) { for (var i in docs) { meshlist.push(docs[i]._id); } }
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obj.file.remove({ meshid: { $exists: true, $nin: meshlist } }, { multi: true });
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});
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// Clear up all users
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/*
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obj.GetAllType('user', function (err, docs) {
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for (var i in docs) { if (docs[i].subscriptions != null) { console.log('Clean user: ' + docs[i].name); obj.SetUser(docs[i]); } } // Remove "subscriptions" that should not be there.
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});
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*/
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}
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obj.Set = function (data, func) { obj.file.update({ _id: data._id }, data, { upsert: true }, func); }
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obj.Get = function (id, func) { obj.file.find({ _id: id }, func); }
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obj.GetAll = function (func) { obj.file.find({}, func); }
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obj.GetAllTypeNoTypeField = function (type, domain, func) { obj.file.find({ type: type, domain: domain }, { type : 0 }, func); }
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obj.GetAllTypeNoTypeFieldMeshFiltered = function (meshes, domain, type, func) { obj.file.find({ type: type, domain: domain, meshid: { $in: meshes } }, { type : 0 }, func); }
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obj.GetAllType = function (type, func) { obj.file.find({ type: type }, func); }
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obj.GetAllIdsOfType = function (ids, domain, type, func) { obj.file.find({ type: type, domain: domain, _id: { $in: ids } }, func); }
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obj.GetUserWithEmail = function (domain, email, func) { obj.file.find({ type: 'user', domain: domain, email: email }, { type: 0 }, func); }
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obj.GetUserWithVerifiedEmail = function (domain, email, func) { obj.file.find({ type: 'user', domain: domain, email: email, emailVerified: true }, { type: 0 }, func); }
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obj.Remove = function (id) { obj.file.remove({ _id: id }); }
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obj.RemoveNode = function (id) { obj.file.remove({ node: id }, { multi: true }); }
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obj.RemoveAll = function (func) { obj.file.remove({}, { multi: true }, func); }
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obj.RemoveAllOfType = function (type, func) { obj.file.remove({ type: type }, { multi: true }, func); }
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obj.InsertMany = function (data, func) { obj.file.insert(data, func); }
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obj.StoreEvent = function (ids, source, event) { obj.file.insert(event); }
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obj.GetEvents = function (ids, domain, func) { if (obj.databaseType == 1) { obj.file.find({ type: 'event', domain: domain, ids: { $in: ids } }, { type: 0, _id: 0, domain: 0, ids: 0, node: 0 }).sort({ time: -1 }).exec(func); } else { obj.file.find({ type: 'event', domain: domain, ids: { $in: ids } }, { type: 0, _id: 0, domain: 0, ids: 0, node: 0 }).sort({ time: -1 }, func) } }
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obj.GetEventsWithLimit = function (ids, domain, limit, func) { if (obj.databaseType == 1) { obj.file.find({ type: 'event', domain: domain, ids: { $in: ids } }, { type: 0, _id: 0, domain: 0, ids: 0, node: 0 }).sort({ time: -1 }).limit(limit).exec(func); } else { obj.file.find({ type: 'event', domain: domain, ids: { $in: ids } }, { type: 0, _id: 0, domain: 0, ids: 0, node: 0 }).sort({ time: -1 }).limit(limit, func); } }
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obj.GetNodeEventsWithLimit = function (nodeid, domain, limit, func) { if (obj.databaseType == 1) { obj.file.find({ type: 'event', domain: domain, nodeid: nodeid }, { type: 0, _id: 0, domain: 0, ids: 0, node: 0 }).sort({ time: -1 }).limit(limit).exec(func); } else { obj.file.find({ type: 'event', domain: domain, nodeid: nodeid }, { type: 0, _id: 0, domain: 0, ids: 0, node: 0 }).sort({ time: -1 }).limit(limit, func); } }
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obj.RemoveMesh = function (id) { obj.file.remove({ mesh: id }, { multi: true }); obj.file.remove({ _id: id }); obj.file.remove({ _id: 'nt' + id }); }
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obj.RemoveAllEvents = function (domain) { obj.file.remove({ type: 'event', domain: domain }, { multi: true }); }
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obj.MakeSiteAdmin = function (username, domain) { obj.Get('user/' + domain + '/' + username, function (err, docs) { if (docs.length == 1) { docs[0].siteadmin = 0xFFFFFFFF; obj.Set(docs[0]); } }); }
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obj.DeleteDomain = function (domain, func) { obj.file.remove({ domain: domain }, { multi: true }, func); }
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obj.SetUser = function(user) { var u = Clone(user); if (u.subscriptions) { delete u.subscriptions; } obj.Set(u); }
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obj.dispose = function () { for (var x in obj) { if (obj[x].close) { obj[x].close(); } delete obj[x]; } }
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obj.clearOldEntries = function (type, days, domain) { var cutoff = Date.now() - (1000 * 60 * 60 * 24 * days); obj.file.remove({ type: type, time: { $lt: cutoff } }, { multi: true }); }
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obj.getPowerTimeline = function (nodeid, func) { if (obj.databaseType == 1) { obj.file.find({ type: 'power', node: { $in: ['*', nodeid] } }).sort({ time: 1 }).exec(func); } else { obj.file.find({ type: 'power', node: { $in: ['*', nodeid] } }).sort({ time: 1 }, func); } }
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obj.getLocalAmtNodes = function (limit, func) { obj.file.find({ type: 'node', host: { $exists: true, $ne: null }, intelamt: { $exists: true } }).limit(limit).exec(func); }
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obj.getAmtUuidNode = function (meshid, uuid, func) { obj.file.find({ type: 'node', meshid: meshid, 'intelamt.uuid': uuid }, func); }
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// 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.
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obj.getValueOfTheDay = function (id, startValue, func) { obj.Get(id, function (err, docs) { var date = new Date(), t = date.toLocaleDateString(); if (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 }); }); }
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function Clone(v) { return JSON.parse(JSON.stringify(v)); }
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return obj;
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} |