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Diffstat (limited to 'common/src/main/webapp/usageguide/appserver/node_modules/mongodb/lib/db.js')
-rw-r--r-- | common/src/main/webapp/usageguide/appserver/node_modules/mongodb/lib/db.js | 1881 |
1 files changed, 0 insertions, 1881 deletions
diff --git a/common/src/main/webapp/usageguide/appserver/node_modules/mongodb/lib/db.js b/common/src/main/webapp/usageguide/appserver/node_modules/mongodb/lib/db.js deleted file mode 100644 index c4d30b2..0000000 --- a/common/src/main/webapp/usageguide/appserver/node_modules/mongodb/lib/db.js +++ /dev/null @@ -1,1881 +0,0 @@ -"use strict"; - -var EventEmitter = require('events').EventEmitter - , inherits = require('util').inherits - , getSingleProperty = require('./utils').getSingleProperty - , shallowClone = require('./utils').shallowClone - , parseIndexOptions = require('./utils').parseIndexOptions - , debugOptions = require('./utils').debugOptions - , CommandCursor = require('./command_cursor') - , handleCallback = require('./utils').handleCallback - , filterOptions = require('./utils').filterOptions - , toError = require('./utils').toError - , ReadPreference = require('./read_preference') - , f = require('util').format - , Admin = require('./admin') - , Code = require('mongodb-core').BSON.Code - , CoreReadPreference = require('mongodb-core').ReadPreference - , MongoError = require('mongodb-core').MongoError - , ObjectID = require('mongodb-core').ObjectID - , Define = require('./metadata') - , Logger = require('mongodb-core').Logger - , Collection = require('./collection') - , crypto = require('crypto') - , assign = require('./utils').assign; - -var debugFields = ['authSource', 'w', 'wtimeout', 'j', 'native_parser', 'forceServerObjectId' - , 'serializeFunctions', 'raw', 'promoteLongs', 'promoteValues', 'promoteBuffers', 'bufferMaxEntries', 'numberOfRetries', 'retryMiliSeconds' - , 'readPreference', 'pkFactory', 'parentDb', 'promiseLibrary', 'noListener']; - -// Filter out any write concern options -var illegalCommandFields = ['w', 'wtimeout', 'j', 'fsync', 'autoIndexId' - , 'strict', 'serializeFunctions', 'pkFactory', 'raw', 'readPreference']; - -/** - * @fileOverview The **Db** class is a class that represents a MongoDB Database. - * - * @example - * var MongoClient = require('mongodb').MongoClient, - * test = require('assert'); - * // Connection url - * var url = 'mongodb://localhost:27017/test'; - * // Connect using MongoClient - * MongoClient.connect(url, function(err, db) { - * // Get an additional db - * var testDb = db.db('test'); - * db.close(); - * }); - */ - -// Allowed parameters -var legalOptionNames = ['w', 'wtimeout', 'fsync', 'j', 'readPreference', 'readPreferenceTags', 'native_parser' - , 'forceServerObjectId', 'pkFactory', 'serializeFunctions', 'raw', 'bufferMaxEntries', 'authSource' - , 'ignoreUndefined', 'promoteLongs', 'promiseLibrary', 'readConcern', 'retryMiliSeconds', 'numberOfRetries' - , 'parentDb', 'noListener', 'loggerLevel', 'logger', 'promoteBuffers', 'promoteLongs', 'promoteValues']; - -/** - * Creates a new Db instance - * @class - * @param {string} databaseName The name of the database this instance represents. - * @param {(Server|ReplSet|Mongos)} topology The server topology for the database. - * @param {object} [options=null] Optional settings. - * @param {string} [options.authSource=null] If the database authentication is dependent on another databaseName. - * @param {(number|string)} [options.w=null] The write concern. - * @param {number} [options.wtimeout=null] The write concern timeout. - * @param {boolean} [options.j=false] Specify a journal write concern. - * @param {boolean} [options.forceServerObjectId=false] Force server to assign _id values instead of driver. - * @param {boolean} [options.serializeFunctions=false] Serialize functions on any object. - * @param {Boolean} [options.ignoreUndefined=false] Specify if the BSON serializer should ignore undefined fields. - * @param {boolean} [options.raw=false] Return document results as raw BSON buffers. - * @param {boolean} [options.promoteLongs=true] Promotes Long values to number if they fit inside the 53 bits resolution. - * @param {boolean} [options.promoteBuffers=false] Promotes Binary BSON values to native Node Buffers. - * @param {boolean} [options.promoteValues=true] Promotes BSON values to native types where possible, set to false to only receive wrapper types. - * @param {number} [options.bufferMaxEntries=-1] Sets a cap on how many operations the driver will buffer up before giving up on getting a working connection, default is -1 which is unlimited. - * @param {(ReadPreference|string)} [options.readPreference=null] The preferred read preference (ReadPreference.PRIMARY, ReadPreference.PRIMARY_PREFERRED, ReadPreference.SECONDARY, ReadPreference.SECONDARY_PREFERRED, ReadPreference.NEAREST). - * @param {object} [options.pkFactory=null] A primary key factory object for generation of custom _id keys. - * @param {object} [options.promiseLibrary=null] A Promise library class the application wishes to use such as Bluebird, must be ES6 compatible - * @param {object} [options.readConcern=null] Specify a read concern for the collection. (only MongoDB 3.2 or higher supported) - * @param {object} [options.readConcern.level='local'] Specify a read concern level for the collection operations, one of [local|majority]. (only MongoDB 3.2 or higher supported) - * @property {(Server|ReplSet|Mongos)} serverConfig Get the current db topology. - * @property {number} bufferMaxEntries Current bufferMaxEntries value for the database - * @property {string} databaseName The name of the database this instance represents. - * @property {object} options The options associated with the db instance. - * @property {boolean} native_parser The current value of the parameter native_parser. - * @property {boolean} slaveOk The current slaveOk value for the db instance. - * @property {object} writeConcern The current write concern values. - * @property {object} topology Access the topology object (single server, replicaset or mongos). - * @fires Db#close - * @fires Db#authenticated - * @fires Db#reconnect - * @fires Db#error - * @fires Db#timeout - * @fires Db#parseError - * @fires Db#fullsetup - * @return {Db} a Db instance. - */ -var Db = function(databaseName, topology, options) { - options = options || {}; - if(!(this instanceof Db)) return new Db(databaseName, topology, options); - EventEmitter.call(this); - var self = this; - - // Get the promiseLibrary - var promiseLibrary = options.promiseLibrary; - - // No promise library selected fall back - if(!promiseLibrary) { - promiseLibrary = typeof global.Promise == 'function' ? - global.Promise : require('es6-promise').Promise; - } - - // Filter the options - options = filterOptions(options, legalOptionNames); - - // Ensure we put the promiseLib in the options - options.promiseLibrary = promiseLibrary; - - // var self = this; // Internal state of the db object - this.s = { - // Database name - databaseName: databaseName - // DbCache - , dbCache: {} - // Children db's - , children: [] - // Topology - , topology: topology - // Options - , options: options - // Logger instance - , logger: Logger('Db', options) - // Get the bson parser - , bson: topology ? topology.bson : null - // Authsource if any - , authSource: options.authSource - // Unpack read preference - , readPreference: options.readPreference - // Set buffermaxEntries - , bufferMaxEntries: typeof options.bufferMaxEntries == 'number' ? options.bufferMaxEntries : -1 - // Parent db (if chained) - , parentDb: options.parentDb || null - // Set up the primary key factory or fallback to ObjectID - , pkFactory: options.pkFactory || ObjectID - // Get native parser - , nativeParser: options.nativeParser || options.native_parser - // Promise library - , promiseLibrary: promiseLibrary - // No listener - , noListener: typeof options.noListener == 'boolean' ? options.noListener : false - // ReadConcern - , readConcern: options.readConcern - } - - // Ensure we have a valid db name - validateDatabaseName(self.s.databaseName); - - // Add a read Only property - getSingleProperty(this, 'serverConfig', self.s.topology); - getSingleProperty(this, 'bufferMaxEntries', self.s.bufferMaxEntries); - getSingleProperty(this, 'databaseName', self.s.databaseName); - - // This is a child db, do not register any listeners - if(options.parentDb) return; - if(this.s.noListener) return; - - // Add listeners - topology.on('error', createListener(self, 'error', self)); - topology.on('timeout', createListener(self, 'timeout', self)); - topology.on('close', createListener(self, 'close', self)); - topology.on('parseError', createListener(self, 'parseError', self)); - topology.once('open', createListener(self, 'open', self)); - topology.once('fullsetup', createListener(self, 'fullsetup', self)); - topology.once('all', createListener(self, 'all', self)); - topology.on('reconnect', createListener(self, 'reconnect', self)); -} - -inherits(Db, EventEmitter); - -var define = Db.define = new Define('Db', Db, false); - -// Topology -Object.defineProperty(Db.prototype, 'topology', { - enumerable:true, - get: function() { return this.s.topology; } -}); - -// Options -Object.defineProperty(Db.prototype, 'options', { - enumerable:true, - get: function() { return this.s.options; } -}); - -// slaveOk specified -Object.defineProperty(Db.prototype, 'slaveOk', { - enumerable:true, - get: function() { - if(this.s.options.readPreference != null - && (this.s.options.readPreference != 'primary' || this.s.options.readPreference.mode != 'primary')) { - return true; - } - return false; - } -}); - -// get the write Concern -Object.defineProperty(Db.prototype, 'writeConcern', { - enumerable:true, - get: function() { - var ops = {}; - if(this.s.options.w != null) ops.w = this.s.options.w; - if(this.s.options.j != null) ops.j = this.s.options.j; - if(this.s.options.fsync != null) ops.fsync = this.s.options.fsync; - if(this.s.options.wtimeout != null) ops.wtimeout = this.s.options.wtimeout; - return ops; - } -}); - -/** - * The callback format for the Db.open method - * @callback Db~openCallback - * @param {MongoError} error An error instance representing the error during the execution. - * @param {Db} db The Db instance if the open method was successful. - */ - -// Internal method -var open = function(self, callback) { - self.s.topology.connect(self, self.s.options, function(err) { - if(callback == null) return; - var internalCallback = callback; - callback == null; - - if(err) { - self.close(); - return internalCallback(err); - } - - internalCallback(null, self); - }); -} - -/** - * Open the database - * @method - * @param {Db~openCallback} [callback] Callback - * @return {Promise} returns Promise if no callback passed - */ -Db.prototype.open = function(callback) { - var self = this; - // We provided a callback leg - if(typeof callback == 'function') return open(self, callback); - // Return promise - return new self.s.promiseLibrary(function(resolve, reject) { - open(self, function(err, db) { - if(err) return reject(err); - resolve(db); - }) - }); -} - -define.classMethod('open', {callback: true, promise:true}); - -/** - * Converts provided read preference to CoreReadPreference - * @param {(ReadPreference|string|object)} readPreference the user provided read preference - * @return {CoreReadPreference} - */ -var convertReadPreference = function(readPreference) { - if(readPreference && typeof readPreference == 'string') { - return new CoreReadPreference(readPreference); - } else if(readPreference instanceof ReadPreference) { - return new CoreReadPreference(readPreference.mode, readPreference.tags, {maxStalenessSeconds: readPreference.maxStalenessSeconds}); - } else if(readPreference && typeof readPreference == 'object') { - var mode = readPreference.mode || readPreference.preference; - if (mode && typeof mode == 'string') { - readPreference = new CoreReadPreference(mode, readPreference.tags, {maxStalenessSeconds: readPreference.maxStalenessSeconds}); - } - } - return readPreference; -} - -/** - * The callback format for results - * @callback Db~resultCallback - * @param {MongoError} error An error instance representing the error during the execution. - * @param {object} result The result object if the command was executed successfully. - */ - -var executeCommand = function(self, command, options, callback) { - // Did the user destroy the topology - if(self.serverConfig && self.serverConfig.isDestroyed()) return callback(new MongoError('topology was destroyed')); - // Get the db name we are executing against - var dbName = options.dbName || options.authdb || self.s.databaseName; - - // If we have a readPreference set - if(options.readPreference == null && self.s.readPreference) { - options.readPreference = self.s.readPreference; - } - - // Convert the readPreference if its not a write - if(options.readPreference) { - options.readPreference = convertReadPreference(options.readPreference); - } else { - options.readPreference = CoreReadPreference.primary; - } - - // Debug information - if(self.s.logger.isDebug()) self.s.logger.debug(f('executing command %s against %s with options [%s]' - , JSON.stringify(command), f('%s.$cmd', dbName), JSON.stringify(debugOptions(debugFields, options)))); - - // Execute command - self.s.topology.command(f('%s.$cmd', dbName), command, options, function(err, result) { - if(err) return handleCallback(callback, err); - if(options.full) return handleCallback(callback, null, result); - handleCallback(callback, null, result.result); - }); -} - -/** - * Execute a command - * @method - * @param {object} command The command hash - * @param {object} [options=null] Optional settings. - * @param {(ReadPreference|string)} [options.readPreference=null] The preferred read preference (ReadPreference.PRIMARY, ReadPreference.PRIMARY_PREFERRED, ReadPreference.SECONDARY, ReadPreference.SECONDARY_PREFERRED, ReadPreference.NEAREST). - * @param {Db~resultCallback} [callback] The command result callback - * @return {Promise} returns Promise if no callback passed - */ -Db.prototype.command = function(command, options, callback) { - var self = this; - // Change the callback - if(typeof options == 'function') callback = options, options = {}; - // Clone the options - options = shallowClone(options); - - // Do we have a callback - if(typeof callback == 'function') return executeCommand(self, command, options, callback); - // Return a promise - return new this.s.promiseLibrary(function(resolve, reject) { - executeCommand(self, command, options, function(err, r) { - if(err) return reject(err); - resolve(r); - }); - }); -} - -define.classMethod('command', {callback: true, promise:true}); - -/** - * The callback format for results - * @callback Db~noResultCallback - * @param {MongoError} error An error instance representing the error during the execution. - * @param {null} result Is not set to a value - */ - -/** - * Close the db and its underlying connections - * @method - * @param {boolean} force Force close, emitting no events - * @param {Db~noResultCallback} [callback] The result callback - * @return {Promise} returns Promise if no callback passed - */ -Db.prototype.close = function(force, callback) { - if(typeof force == 'function') callback = force, force = false; - this.s.topology.close(force); - var self = this; - - // Fire close event if any listeners - if(this.listeners('close').length > 0) { - this.emit('close'); - - // If it's the top level db emit close on all children - if(this.parentDb == null) { - // Fire close on all children - for(var i = 0; i < this.s.children.length; i++) { - this.s.children[i].emit('close'); - } - } - - // Remove listeners after emit - self.removeAllListeners('close'); - } - - // Close parent db if set - if(this.s.parentDb) this.s.parentDb.close(); - // Callback after next event loop tick - if(typeof callback == 'function') return process.nextTick(function() { - handleCallback(callback, null); - }) - - // Return dummy promise - return new this.s.promiseLibrary(function(resolve) { - resolve(); - }); -} - -define.classMethod('close', {callback: true, promise:true}); - -/** - * Return the Admin db instance - * @method - * @return {Admin} return the new Admin db instance - */ -Db.prototype.admin = function() { - return new Admin(this, this.s.topology, this.s.promiseLibrary); -}; - -define.classMethod('admin', {callback: false, promise:false, returns: [Admin]}); - -/** - * The callback format for the collection method, must be used if strict is specified - * @callback Db~collectionResultCallback - * @param {MongoError} error An error instance representing the error during the execution. - * @param {Collection} collection The collection instance. - */ - -/** - * Fetch a specific collection (containing the actual collection information). If the application does not use strict mode you can - * can use it without a callback in the following way: `var collection = db.collection('mycollection');` - * - * @method - * @param {string} name the collection name we wish to access. - * @param {object} [options=null] Optional settings. - * @param {(number|string)} [options.w=null] The write concern. - * @param {number} [options.wtimeout=null] The write concern timeout. - * @param {boolean} [options.j=false] Specify a journal write concern. - * @param {boolean} [options.raw=false] Return document results as raw BSON buffers. - * @param {object} [options.pkFactory=null] A primary key factory object for generation of custom _id keys. - * @param {(ReadPreference|string)} [options.readPreference=null] The preferred read preference (ReadPreference.PRIMARY, ReadPreference.PRIMARY_PREFERRED, ReadPreference.SECONDARY, ReadPreference.SECONDARY_PREFERRED, ReadPreference.NEAREST). - * @param {boolean} [options.serializeFunctions=false] Serialize functions on any object. - * @param {boolean} [options.strict=false] Returns an error if the collection does not exist - * @param {object} [options.readConcern=null] Specify a read concern for the collection. (only MongoDB 3.2 or higher supported) - * @param {object} [options.readConcern.level='local'] Specify a read concern level for the collection operations, one of [local|majority]. (only MongoDB 3.2 or higher supported) - * @param {Db~collectionResultCallback} callback The collection result callback - * @return {Collection} return the new Collection instance if not in strict mode - */ -Db.prototype.collection = function(name, options, callback) { - var self = this; - if(typeof options == 'function') callback = options, options = {}; - options = options || {}; - options = shallowClone(options); - // Set the promise library - options.promiseLibrary = this.s.promiseLibrary; - - // If we have not set a collection level readConcern set the db level one - options.readConcern = options.readConcern || this.s.readConcern; - - // Do we have ignoreUndefined set - if(this.s.options.ignoreUndefined) { - options.ignoreUndefined = this.s.options.ignoreUndefined; - } - - // Execute - if(options == null || !options.strict) { - try { - var collection = new Collection(this, this.s.topology, this.s.databaseName, name, this.s.pkFactory, options); - if(callback) callback(null, collection); - return collection; - } catch(err) { - if(callback) return callback(err); - throw err; - } - } - - // Strict mode - if(typeof callback != 'function') { - throw toError(f("A callback is required in strict mode. While getting collection %s.", name)); - } - - // Did the user destroy the topology - if(self.serverConfig && self.serverConfig.isDestroyed()) { - return callback(new MongoError('topology was destroyed')); - } - - // Strict mode - this.listCollections({name:name}).toArray(function(err, collections) { - if(err != null) return handleCallback(callback, err, null); - if(collections.length == 0) return handleCallback(callback, toError(f("Collection %s does not exist. Currently in strict mode.", name)), null); - - try { - return handleCallback(callback, null, new Collection(self, self.s.topology, self.s.databaseName, name, self.s.pkFactory, options)); - } catch(err) { - return handleCallback(callback, err, null); - } - }); -} - -define.classMethod('collection', {callback: true, promise:false, returns: [Collection]}); - -function decorateWithWriteConcern(command, self, options) { - // Do we support write concerns 3.4 and higher - if(self.s.topology.capabilities().commandsTakeWriteConcern) { - // Get the write concern settings - var finalOptions = writeConcern(shallowClone(options), self, options); - // Add the write concern to the command - if(finalOptions.writeConcern) { - command.writeConcern = finalOptions.writeConcern; - } - } -} - -var createCollection = function(self, name, options, callback) { - // Get the write concern options - var finalOptions = writeConcern(shallowClone(options), self, options); - // Did the user destroy the topology - if(self.serverConfig && self.serverConfig.isDestroyed()) return callback(new MongoError('topology was destroyed')); - // Check if we have the name - self.listCollections({name: name}) - .setReadPreference(ReadPreference.PRIMARY) - .toArray(function(err, collections) { - if(err != null) return handleCallback(callback, err, null); - if(collections.length > 0 && finalOptions.strict) { - return handleCallback(callback, MongoError.create({message: f("Collection %s already exists. Currently in strict mode.", name), driver:true}), null); - } else if (collections.length > 0) { - try { return handleCallback(callback, null, new Collection(self, self.s.topology, self.s.databaseName, name, self.s.pkFactory, options)); } - catch(err) { return handleCallback(callback, err); } - } - - // Create collection command - var cmd = {'create':name}; - - // Decorate command with writeConcern if supported - decorateWithWriteConcern(cmd, self, options); - // Add all optional parameters - for(var n in options) { - if(options[n] != null - && typeof options[n] != 'function' && illegalCommandFields.indexOf(n) == -1) { - cmd[n] = options[n]; - } - } - - // Force a primary read Preference - finalOptions.readPreference = ReadPreference.PRIMARY; - - // Execute command - self.command(cmd, finalOptions, function(err) { - if(err) return handleCallback(callback, err); - handleCallback(callback, null, new Collection(self, self.s.topology, self.s.databaseName, name, self.s.pkFactory, options)); - }); - }); -} - -/** - * Create a new collection on a server with the specified options. Use this to create capped collections. - * - * @method - * @param {string} name the collection name we wish to access. - * @param {object} [options=null] Optional settings. - * @param {(number|string)} [options.w=null] The write concern. - * @param {number} [options.wtimeout=null] The write concern timeout. - * @param {boolean} [options.j=false] Specify a journal write concern. - * @param {boolean} [options.raw=false] Return document results as raw BSON buffers. - * @param {object} [options.pkFactory=null] A primary key factory object for generation of custom _id keys. - * @param {(ReadPreference|string)} [options.readPreference=null] The preferred read preference (ReadPreference.PRIMARY, ReadPreference.PRIMARY_PREFERRED, ReadPreference.SECONDARY, ReadPreference.SECONDARY_PREFERRED, ReadPreference.NEAREST). - * @param {boolean} [options.serializeFunctions=false] Serialize functions on any object. - * @param {boolean} [options.strict=false] Returns an error if the collection does not exist - * @param {boolean} [options.capped=false] Create a capped collection. - * @param {number} [options.size=null] The size of the capped collection in bytes. - * @param {number} [options.max=null] The maximum number of documents in the capped collection. - * @param {boolean} [options.autoIndexId=true] Create an index on the _id field of the document, True by default on MongoDB 2.2 or higher off for version < 2.2. - * @param {object} [options.collation=null] Specify collation (MongoDB 3.4 or higher) settings for update operation (see 3.4 documentation for available fields). - * @param {Db~collectionResultCallback} [callback] The results callback - * @return {Promise} returns Promise if no callback passed - */ -Db.prototype.createCollection = function(name, options, callback) { - var self = this; - var args = Array.prototype.slice.call(arguments, 0); - callback = args.pop(); - if(typeof callback != 'function') args.push(callback); - name = args.length ? args.shift() : null; - options = args.length ? args.shift() || {} : {}; - - // Do we have a promisesLibrary - options.promiseLibrary = options.promiseLibrary || this.s.promiseLibrary; - - // Check if the callback is in fact a string - if(typeof callback == 'string') name = callback; - - // Execute the fallback callback - if(typeof callback == 'function') return createCollection(self, name, options, callback); - return new this.s.promiseLibrary(function(resolve, reject) { - createCollection(self, name, options, function(err, r) { - if(err) return reject(err); - resolve(r); - }); - }); -} - -define.classMethod('createCollection', {callback: true, promise:true}); - -/** - * Get all the db statistics. - * - * @method - * @param {object} [options=null] Optional settings. - * @param {number} [options.scale=null] Divide the returned sizes by scale value. - * @param {Db~resultCallback} [callback] The collection result callback - * @return {Promise} returns Promise if no callback passed - */ -Db.prototype.stats = function(options, callback) { - if(typeof options == 'function') callback = options, options = {}; - options = options || {}; - // Build command object - var commandObject = { dbStats:true }; - // Check if we have the scale value - if(options['scale'] != null) commandObject['scale'] = options['scale']; - - // If we have a readPreference set - if(options.readPreference == null && this.s.readPreference) { - options.readPreference = this.s.readPreference; - } - - // Execute the command - return this.command(commandObject, options, callback); -} - -define.classMethod('stats', {callback: true, promise:true}); - -// Transformation methods for cursor results -var listCollectionsTranforms = function(databaseName) { - var matching = f('%s.', databaseName); - - return { - doc: function(doc) { - var index = doc.name.indexOf(matching); - // Remove database name if available - if(doc.name && index == 0) { - doc.name = doc.name.substr(index + matching.length); - } - - return doc; - } - } -} - -/** - * Get the list of all collection information for the specified db. - * - * @method - * @param {object} filter Query to filter collections by - * @param {object} [options=null] Optional settings. - * @param {number} [options.batchSize=null] The batchSize for the returned command cursor or if pre 2.8 the systems batch collection - * @param {(ReadPreference|string)} [options.readPreference=null] The preferred read preference (ReadPreference.PRIMARY, ReadPreference.PRIMARY_PREFERRED, ReadPreference.SECONDARY, ReadPreference.SECONDARY_PREFERRED, ReadPreference.NEAREST). - * @return {CommandCursor} - */ -Db.prototype.listCollections = function(filter, options) { - filter = filter || {}; - options = options || {}; - - // Shallow clone the object - options = shallowClone(options); - // Set the promise library - options.promiseLibrary = this.s.promiseLibrary; - - // Ensure valid readPreference - if(options.readPreference) { - options.readPreference = convertReadPreference(options.readPreference); - } - - // We have a list collections command - if(this.serverConfig.capabilities().hasListCollectionsCommand) { - // Cursor options - var cursor = options.batchSize ? {batchSize: options.batchSize} : {} - // Build the command - var command = { listCollections : true, filter: filter, cursor: cursor }; - // Set the AggregationCursor constructor - options.cursorFactory = CommandCursor; - // Create the cursor - cursor = this.s.topology.cursor(f('%s.$cmd', this.s.databaseName), command, options); - // Do we have a readPreference, apply it - if(options.readPreference) { - cursor.setReadPreference(options.readPreference); - } - // Return the cursor - return cursor; - } - - // We cannot use the listCollectionsCommand - if(!this.serverConfig.capabilities().hasListCollectionsCommand) { - // If we have legacy mode and have not provided a full db name filter it - if(typeof filter.name == 'string' && !(new RegExp('^' + this.databaseName + '\\.').test(filter.name))) { - filter = shallowClone(filter); - filter.name = f('%s.%s', this.s.databaseName, filter.name); - } - } - - // No filter, filter by current database - if(filter == null) { - filter.name = f('/%s/', this.s.databaseName); - } - - // Rewrite the filter to use $and to filter out indexes - if(filter.name) { - filter = {$and: [{name: filter.name}, {name:/^((?!\$).)*$/}]}; - } else { - filter = {name:/^((?!\$).)*$/}; - } - - // Return options - var _options = {transforms: listCollectionsTranforms(this.s.databaseName)} - // Get the cursor - cursor = this.collection(Db.SYSTEM_NAMESPACE_COLLECTION).find(filter, _options); - // Do we have a readPreference, apply it - if(options.readPreference) cursor.setReadPreference(options.readPreference); - // Set the passed in batch size if one was provided - if(options.batchSize) cursor = cursor.batchSize(options.batchSize); - // We have a fallback mode using legacy systems collections - return cursor; -}; - -define.classMethod('listCollections', {callback: false, promise:false, returns: [CommandCursor]}); - -var evaluate = function(self, code, parameters, options, callback) { - var finalCode = code; - var finalParameters = []; - - // Did the user destroy the topology - if(self.serverConfig && self.serverConfig.isDestroyed()) return callback(new MongoError('topology was destroyed')); - - // If not a code object translate to one - if(!(finalCode && finalCode._bsontype == 'Code')) finalCode = new Code(finalCode); - // Ensure the parameters are correct - if(parameters != null && !Array.isArray(parameters) && typeof parameters !== 'function') { - finalParameters = [parameters]; - } else if(parameters != null && Array.isArray(parameters) && typeof parameters !== 'function') { - finalParameters = parameters; - } - - // Create execution selector - var cmd = {'$eval':finalCode, 'args':finalParameters}; - // Check if the nolock parameter is passed in - if(options['nolock']) { - cmd['nolock'] = options['nolock']; - } - - // Set primary read preference - options.readPreference = new CoreReadPreference(ReadPreference.PRIMARY); - - // Execute the command - self.command(cmd, options, function(err, result) { - if(err) return handleCallback(callback, err, null); - if(result && result.ok == 1) return handleCallback(callback, null, result.retval); - if(result) return handleCallback(callback, MongoError.create({message: f("eval failed: %s", result.errmsg), driver:true}), null); - handleCallback(callback, err, result); - }); -} - -/** - * Evaluate JavaScript on the server - * - * @method - * @param {Code} code JavaScript to execute on server. - * @param {(object|array)} parameters The parameters for the call. - * @param {object} [options=null] Optional settings. - * @param {boolean} [options.nolock=false] Tell MongoDB not to block on the evaulation of the javascript. - * @param {Db~resultCallback} [callback] The results callback - * @deprecated Eval is deprecated on MongoDB 3.2 and forward - * @return {Promise} returns Promise if no callback passed - */ -Db.prototype.eval = function(code, parameters, options, callback) { - var self = this; - var args = Array.prototype.slice.call(arguments, 1); - callback = args.pop(); - if(typeof callback != 'function') args.push(callback); - parameters = args.length ? args.shift() : parameters; - options = args.length ? args.shift() || {} : {}; - - // Check if the callback is in fact a string - if(typeof callback == 'function') return evaluate(self, code, parameters, options, callback); - // Execute the command - return new this.s.promiseLibrary(function(resolve, reject) { - evaluate(self, code, parameters, options, function(err, r) { - if(err) return reject(err); - resolve(r); - }); - }); -}; - -define.classMethod('eval', {callback: true, promise:true}); - -/** - * Rename a collection. - * - * @method - * @param {string} fromCollection Name of current collection to rename. - * @param {string} toCollection New name of of the collection. - * @param {object} [options=null] Optional settings. - * @param {boolean} [options.dropTarget=false] Drop the target name collection if it previously exists. - * @param {Db~collectionResultCallback} [callback] The results callback - * @return {Promise} returns Promise if no callback passed - */ -Db.prototype.renameCollection = function(fromCollection, toCollection, options, callback) { - var self = this; - if(typeof options == 'function') callback = options, options = {}; - options = options || {}; - // Add return new collection - options.new_collection = true; - - // Check if the callback is in fact a string - if(typeof callback == 'function') { - return this.collection(fromCollection).rename(toCollection, options, callback); - } - - // Return a promise - return new this.s.promiseLibrary(function(resolve, reject) { - self.collection(fromCollection).rename(toCollection, options, function(err, r) { - if(err) return reject(err); - resolve(r); - }); - }); -}; - -define.classMethod('renameCollection', {callback: true, promise:true}); - -/** - * Drop a collection from the database, removing it permanently. New accesses will create a new collection. - * - * @method - * @param {string} name Name of collection to drop - * @param {Db~resultCallback} [callback] The results callback - * @return {Promise} returns Promise if no callback passed - */ -Db.prototype.dropCollection = function(name, options, callback) { - var self = this; - if(typeof options == 'function') callback = options, options = {}; - options = options || {}; - - // Command to execute - var cmd = {'drop':name} - - // Decorate with write concern - decorateWithWriteConcern(cmd, self, options); - - // options - options = assign({}, this.s.options, {readPreference: ReadPreference.PRIMARY}); - - // Check if the callback is in fact a string - if(typeof callback == 'function') return this.command(cmd, options, function(err, result) { - // Did the user destroy the topology - if(self.serverConfig && self.serverConfig.isDestroyed()) return callback(new MongoError('topology was destroyed')); - if(err) return handleCallback(callback, err); - if(result.ok) return handleCallback(callback, null, true); - handleCallback(callback, null, false); - }); - - // Clone the options - options = shallowClone(self.s.options); - // Set readPreference PRIMARY - options.readPreference = ReadPreference.PRIMARY; - - // Execute the command - return new this.s.promiseLibrary(function(resolve, reject) { - // Execute command - self.command(cmd, options, function(err, result) { - // Did the user destroy the topology - if(self.serverConfig && self.serverConfig.isDestroyed()) return reject(new MongoError('topology was destroyed')); - if(err) return reject(err); - if(result.ok) return resolve(true); - resolve(false); - }); - }); -}; - -define.classMethod('dropCollection', {callback: true, promise:true}); - -/** - * Drop a database, removing it permanently from the server. - * - * @method - * @param {Db~resultCallback} [callback] The results callback - * @return {Promise} returns Promise if no callback passed - */ -Db.prototype.dropDatabase = function(options, callback) { - var self = this; - if(typeof options == 'function') callback = options, options = {}; - options = options || {}; - // Drop database command - var cmd = {'dropDatabase':1}; - - // Decorate with write concern - decorateWithWriteConcern(cmd, self, options); - - // Ensure primary only - options = assign({}, this.s.options, {readPreference: ReadPreference.PRIMARY}); - - // Check if the callback is in fact a string - if(typeof callback == 'function') return this.command(cmd, options, function(err, result) { - // Did the user destroy the topology - if(self.serverConfig && self.serverConfig.isDestroyed()) return callback(new MongoError('topology was destroyed')); - if(callback == null) return; - if(err) return handleCallback(callback, err, null); - handleCallback(callback, null, result.ok ? true : false); - }); - - // Execute the command - return new this.s.promiseLibrary(function(resolve, reject) { - // Execute command - self.command(cmd, options, function(err, result) { - // Did the user destroy the topology - if(self.serverConfig && self.serverConfig.isDestroyed()) return reject(new MongoError('topology was destroyed')); - if(err) return reject(err); - if(result.ok) return resolve(true); - resolve(false); - }); - }); -} - -define.classMethod('dropDatabase', {callback: true, promise:true}); - -/** - * The callback format for the collections method. - * @callback Db~collectionsResultCallback - * @param {MongoError} error An error instance representing the error during the execution. - * @param {Collection[]} collections An array of all the collections objects for the db instance. - */ -var collections = function(self, callback) { - // Let's get the collection names - self.listCollections().toArray(function(err, documents) { - if(err != null) return handleCallback(callback, err, null); - // Filter collections removing any illegal ones - documents = documents.filter(function(doc) { - return doc.name.indexOf('$') == -1; - }); - - // Return the collection objects - handleCallback(callback, null, documents.map(function(d) { - return new Collection(self, self.s.topology, self.s.databaseName, d.name.replace(self.s.databaseName + ".", ''), self.s.pkFactory, self.s.options); - })); - }); -} - -/** - * Fetch all collections for the current db. - * - * @method - * @param {Db~collectionsResultCallback} [callback] The results callback - * @return {Promise} returns Promise if no callback passed - */ -Db.prototype.collections = function(callback) { - var self = this; - - // Return the callback - if(typeof callback == 'function') return collections(self, callback); - // Return the promise - return new self.s.promiseLibrary(function(resolve, reject) { - collections(self, function(err, r) { - if(err) return reject(err); - resolve(r); - }); - }); -}; - -define.classMethod('collections', {callback: true, promise:true}); - -/** - * Runs a command on the database as admin. - * @method - * @param {object} command The command hash - * @param {object} [options=null] Optional settings. - * @param {(ReadPreference|string)} [options.readPreference=null] The preferred read preference (ReadPreference.PRIMARY, ReadPreference.PRIMARY_PREFERRED, ReadPreference.SECONDARY, ReadPreference.SECONDARY_PREFERRED, ReadPreference.NEAREST). - * @param {Db~resultCallback} [callback] The command result callback - * @return {Promise} returns Promise if no callback passed - */ -Db.prototype.executeDbAdminCommand = function(selector, options, callback) { - var self = this; - if(typeof options == 'function') callback = options, options = {}; - options = options || {}; - - // Return the callback - if(typeof callback == 'function') { - // Convert read preference - if(options.readPreference) { - options.readPreference = convertReadPreference(options.readPreference) - } - - return self.s.topology.command('admin.$cmd', selector, options, function(err, result) { - // Did the user destroy the topology - if(self.serverConfig && self.serverConfig.isDestroyed()) return callback(new MongoError('topology was destroyed')); - if(err) return handleCallback(callback, err); - handleCallback(callback, null, result.result); - }); - } - - // Return promise - return new self.s.promiseLibrary(function(resolve, reject) { - self.s.topology.command('admin.$cmd', selector, options, function(err, result) { - // Did the user destroy the topology - if(self.serverConfig && self.serverConfig.isDestroyed()) return reject(new MongoError('topology was destroyed')); - if(err) return reject(err); - resolve(result.result); - }); - }); -}; - -define.classMethod('executeDbAdminCommand', {callback: true, promise:true}); - -/** - * Creates an index on the db and collection collection. - * @method - * @param {string} name Name of the collection to create the index on. - * @param {(string|object)} fieldOrSpec Defines the index. - * @param {object} [options=null] Optional settings. - * @param {(number|string)} [options.w=null] The write concern. - * @param {number} [options.wtimeout=null] The write concern timeout. - * @param {boolean} [options.j=false] Specify a journal write concern. - * @param {boolean} [options.unique=false] Creates an unique index. - * @param {boolean} [options.sparse=false] Creates a sparse index. - * @param {boolean} [options.background=false] Creates the index in the background, yielding whenever possible. - * @param {boolean} [options.dropDups=false] A unique index cannot be created on a key that has pre-existing duplicate values. If you would like to create the index anyway, keeping the first document the database indexes and deleting all subsequent documents that have duplicate value - * @param {number} [options.min=null] For geospatial indexes set the lower bound for the co-ordinates. - * @param {number} [options.max=null] For geospatial indexes set the high bound for the co-ordinates. - * @param {number} [options.v=null] Specify the format version of the indexes. - * @param {number} [options.expireAfterSeconds=null] Allows you to expire data on indexes applied to a data (MongoDB 2.2 or higher) - * @param {number} [options.name=null] Override the autogenerated index name (useful if the resulting name is larger than 128 bytes) - * @param {object} [options.partialFilterExpression=null] Creates a partial index based on the given filter object (MongoDB 3.2 or higher) - * @param {Db~resultCallback} [callback] The command result callback - * @return {Promise} returns Promise if no callback passed - */ -Db.prototype.createIndex = function(name, fieldOrSpec, options, callback) { - var self = this; - var args = Array.prototype.slice.call(arguments, 2); - callback = args.pop(); - if(typeof callback != 'function') args.push(callback); - options = args.length ? args.shift() || {} : {}; - options = typeof callback === 'function' ? options : callback; - options = options == null ? {} : options; - // Shallow clone the options - options = shallowClone(options); - // Run only against primary - options.readPreference = ReadPreference.PRIMARY; - - // If we have a callback fallback - if(typeof callback == 'function') return createIndex(self, name, fieldOrSpec, options, callback); - // Return a promise - return new this.s.promiseLibrary(function(resolve, reject) { - createIndex(self, name, fieldOrSpec, options, function(err, r) { - if(err) return reject(err); - resolve(r); - }); - }); -}; - -var createIndex = function(self, name, fieldOrSpec, options, callback) { - // Get the write concern options - var finalOptions = writeConcern({}, self, options); - // Ensure we have a callback - if(finalOptions.writeConcern && typeof callback != 'function') { - throw MongoError.create({message: "Cannot use a writeConcern without a provided callback", driver:true}); - } - - // Did the user destroy the topology - if(self.serverConfig && self.serverConfig.isDestroyed()) return callback(new MongoError('topology was destroyed')); - - // Attempt to run using createIndexes command - createIndexUsingCreateIndexes(self, name, fieldOrSpec, options, function(err, result) { - if(err == null) return handleCallback(callback, err, result); - - // 67 = 'CannotCreateIndex' (malformed index options) - // 85 = 'IndexOptionsConflict' (index already exists with different options) - // 11000 = 'DuplicateKey' (couldn't build unique index because of dupes) - // These errors mean that the server recognized `createIndex` as a command - // and so we don't need to fallback to an insert. - if(err.code === 67 || err.code == 11000 || err.code === 85) { - return handleCallback(callback, err, result); - } - - // Create command - var doc = createCreateIndexCommand(self, name, fieldOrSpec, options); - // Set no key checking - finalOptions.checkKeys = false; - // Insert document - self.s.topology.insert(f("%s.%s", self.s.databaseName, Db.SYSTEM_INDEX_COLLECTION), doc, finalOptions, function(err, result) { - if(callback == null) return; - if(err) return handleCallback(callback, err); - if(result == null) return handleCallback(callback, null, null); - if(result.result.writeErrors) return handleCallback(callback, MongoError.create(result.result.writeErrors[0]), null); - handleCallback(callback, null, doc.name); - }); - }); -} - -define.classMethod('createIndex', {callback: true, promise:true}); - -/** - * Ensures that an index exists, if it does not it creates it - * @method - * @deprecated since version 2.0 - * @param {string} name The index name - * @param {(string|object)} fieldOrSpec Defines the index. - * @param {object} [options=null] Optional settings. - * @param {(number|string)} [options.w=null] The write concern. - * @param {number} [options.wtimeout=null] The write concern timeout. - * @param {boolean} [options.j=false] Specify a journal write concern. - * @param {boolean} [options.unique=false] Creates an unique index. - * @param {boolean} [options.sparse=false] Creates a sparse index. - * @param {boolean} [options.background=false] Creates the index in the background, yielding whenever possible. - * @param {boolean} [options.dropDups=false] A unique index cannot be created on a key that has pre-existing duplicate values. If you would like to create the index anyway, keeping the first document the database indexes and deleting all subsequent documents that have duplicate value - * @param {number} [options.min=null] For geospatial indexes set the lower bound for the co-ordinates. - * @param {number} [options.max=null] For geospatial indexes set the high bound for the co-ordinates. - * @param {number} [options.v=null] Specify the format version of the indexes. - * @param {number} [options.expireAfterSeconds=null] Allows you to expire data on indexes applied to a data (MongoDB 2.2 or higher) - * @param {number} [options.name=null] Override the autogenerated index name (useful if the resulting name is larger than 128 bytes) - * @param {Db~resultCallback} [callback] The command result callback - * @return {Promise} returns Promise if no callback passed - */ -Db.prototype.ensureIndex = function(name, fieldOrSpec, options, callback) { - var self = this; - if(typeof options == 'function') callback = options, options = {}; - options = options || {}; - - // If we have a callback fallback - if(typeof callback == 'function') return ensureIndex(self, name, fieldOrSpec, options, callback); - - // Return a promise - return new this.s.promiseLibrary(function(resolve, reject) { - ensureIndex(self, name, fieldOrSpec, options, function(err, r) { - if(err) return reject(err); - resolve(r); - }); - }); -}; - -var ensureIndex = function(self, name, fieldOrSpec, options, callback) { - // Get the write concern options - var finalOptions = writeConcern({}, self, options); - // Create command - var selector = createCreateIndexCommand(self, name, fieldOrSpec, options); - var index_name = selector.name; - - // Did the user destroy the topology - if(self.serverConfig && self.serverConfig.isDestroyed()) return callback(new MongoError('topology was destroyed')); - - // Check if the index allready exists - self.indexInformation(name, finalOptions, function(err, indexInformation) { - if(err != null && err.code != 26) return handleCallback(callback, err, null); - // If the index does not exist, create it - if(indexInformation == null || !indexInformation[index_name]) { - self.createIndex(name, fieldOrSpec, options, callback); - } else { - if(typeof callback === 'function') return handleCallback(callback, null, index_name); - } - }); -} - -define.classMethod('ensureIndex', {callback: true, promise:true}); - -Db.prototype.addChild = function(db) { - if(this.s.parentDb) return this.s.parentDb.addChild(db); - this.s.children.push(db); -} - -/** - * Create a new Db instance sharing the current socket connections. Be aware that the new db instances are - * related in a parent-child relationship to the original instance so that events are correctly emitted on child - * db instances. Child db instances are cached so performing db('db1') twice will return the same instance. - * You can control these behaviors with the options noListener and returnNonCachedInstance. - * - * @method - * @param {string} name The name of the database we want to use. - * @param {object} [options=null] Optional settings. - * @param {boolean} [options.noListener=false] Do not make the db an event listener to the original connection. - * @param {boolean} [options.returnNonCachedInstance=false] Control if you want to return a cached instance or have a new one created - * @return {Db} - */ -Db.prototype.db = function(dbName, options) { - options = options || {}; - - // Copy the options and add out internal override of the not shared flag - var finalOptions = assign({}, this.options, options); - - // Do we have the db in the cache already - if(this.s.dbCache[dbName] && finalOptions.returnNonCachedInstance !== true) { - return this.s.dbCache[dbName]; - } - - // Add current db as parentDb - if(finalOptions.noListener == null || finalOptions.noListener == false) { - finalOptions.parentDb = this; - } - - // Add promiseLibrary - finalOptions.promiseLibrary = this.s.promiseLibrary; - - // Return the db object - var db = new Db(dbName, this.s.topology, finalOptions) - - // Add as child - if(finalOptions.noListener == null || finalOptions.noListener == false) { - this.addChild(db); - } - - // Add the db to the cache - this.s.dbCache[dbName] = db; - // Return the database - return db; -}; - -define.classMethod('db', {callback: false, promise:false, returns: [Db]}); - -var _executeAuthCreateUserCommand = function(self, username, password, options, callback) { - // Special case where there is no password ($external users) - if(typeof username == 'string' - && password != null && typeof password == 'object') { - options = password; - password = null; - } - - // Unpack all options - if(typeof options == 'function') { - callback = options; - options = {}; - } - - // Error out if we digestPassword set - if(options.digestPassword != null) { - throw toError("The digestPassword option is not supported via add_user. Please use db.command('createUser', ...) instead for this option."); - } - - // Get additional values - var customData = options.customData != null ? options.customData : {}; - var roles = Array.isArray(options.roles) ? options.roles : []; - var maxTimeMS = typeof options.maxTimeMS == 'number' ? options.maxTimeMS : null; - - // If not roles defined print deprecated message - if(roles.length == 0) { - console.log("Creating a user without roles is deprecated in MongoDB >= 2.6"); - } - - // Get the error options - var commandOptions = {writeCommand:true}; - if(options['dbName']) commandOptions.dbName = options['dbName']; - - // Add maxTimeMS to options if set - if(maxTimeMS != null) commandOptions.maxTimeMS = maxTimeMS; - - // Check the db name and add roles if needed - if((self.databaseName.toLowerCase() == 'admin' || options.dbName == 'admin') && !Array.isArray(options.roles)) { - roles = ['root'] - } else if(!Array.isArray(options.roles)) { - roles = ['dbOwner'] - } - - // Build the command to execute - var command = { - createUser: username - , customData: customData - , roles: roles - , digestPassword:false - } - - // Apply write concern to command - command = writeConcern(command, self, options); - - // Use node md5 generator - var md5 = crypto.createHash('md5'); - // Generate keys used for authentication - md5.update(username + ":mongo:" + password); - var userPassword = md5.digest('hex'); - - // No password - if(typeof password == 'string') { - command.pwd = userPassword; - } - - // Force write using primary - commandOptions.readPreference = ReadPreference.primary; - - // Execute the command - self.command(command, commandOptions, function(err, result) { - if(err && err.ok == 0 && err.code == undefined) return handleCallback(callback, {code: -5000}, null); - if(err) return handleCallback(callback, err, null); - handleCallback(callback, !result.ok ? toError(result) : null - , result.ok ? [{user: username, pwd: ''}] : null); - }) -} - -var addUser = function(self, username, password, options, callback) { - // Did the user destroy the topology - if(self.serverConfig && self.serverConfig.isDestroyed()) return callback(new MongoError('topology was destroyed')); - // Attempt to execute auth command - _executeAuthCreateUserCommand(self, username, password, options, function(err, r) { - // We need to perform the backward compatible insert operation - if(err && err.code == -5000) { - var finalOptions = writeConcern(shallowClone(options), self, options); - // Use node md5 generator - var md5 = crypto.createHash('md5'); - // Generate keys used for authentication - md5.update(username + ":mongo:" + password); - var userPassword = md5.digest('hex'); - - // If we have another db set - var db = options.dbName ? self.db(options.dbName) : self; - - // Fetch a user collection - var collection = db.collection(Db.SYSTEM_USER_COLLECTION); - - // Check if we are inserting the first user - collection.count({}, function(err, count) { - // We got an error (f.ex not authorized) - if(err != null) return handleCallback(callback, err, null); - // Check if the user exists and update i - collection.find({user: username}, {dbName: options['dbName']}).toArray(function(err) { - // We got an error (f.ex not authorized) - if(err != null) return handleCallback(callback, err, null); - // Add command keys - finalOptions.upsert = true; - - // We have a user, let's update the password or upsert if not - collection.update({user: username},{$set: {user: username, pwd: userPassword}}, finalOptions, function(err) { - if(count == 0 && err) return handleCallback(callback, null, [{user:username, pwd:userPassword}]); - if(err) return handleCallback(callback, err, null) - handleCallback(callback, null, [{user:username, pwd:userPassword}]); - }); - }); - }); - - return; - } - - if(err) return handleCallback(callback, err); - handleCallback(callback, err, r); - }); -} - -/** - * Add a user to the database. - * @method - * @param {string} username The username. - * @param {string} password The password. - * @param {object} [options=null] Optional settings. - * @param {(number|string)} [options.w=null] The write concern. - * @param {number} [options.wtimeout=null] The write concern timeout. - * @param {boolean} [options.j=false] Specify a journal write concern. - * @param {object} [options.customData=null] Custom data associated with the user (only Mongodb 2.6 or higher) - * @param {object[]} [options.roles=null] Roles associated with the created user (only Mongodb 2.6 or higher) - * @param {Db~resultCallback} [callback] The command result callback - * @return {Promise} returns Promise if no callback passed - */ -Db.prototype.addUser = function(username, password, options, callback) { - // Unpack the parameters - var self = this; - var args = Array.prototype.slice.call(arguments, 2); - callback = args.pop(); - if(typeof callback != 'function') args.push(callback); - options = args.length ? args.shift() || {} : {}; - - // If we have a callback fallback - if(typeof callback == 'function') return addUser(self, username, password, options, callback); - - // Return a promise - return new this.s.promiseLibrary(function(resolve, reject) { - addUser(self, username, password, options, function(err, r) { - if(err) return reject(err); - resolve(r); - }); - }); -}; - -define.classMethod('addUser', {callback: true, promise:true}); - -var _executeAuthRemoveUserCommand = function(self, username, options, callback) { - if(typeof options == 'function') callback = options, options = {}; - // Did the user destroy the topology - if(self.serverConfig && self.serverConfig.isDestroyed()) return callback(new MongoError('topology was destroyed')); - // Get the error options - var commandOptions = {writeCommand:true}; - if(options['dbName']) commandOptions.dbName = options['dbName']; - - // Get additional values - var maxTimeMS = typeof options.maxTimeMS == 'number' ? options.maxTimeMS : null; - - // Add maxTimeMS to options if set - if(maxTimeMS != null) commandOptions.maxTimeMS = maxTimeMS; - - // Build the command to execute - var command = { - dropUser: username - } - - // Apply write concern to command - command = writeConcern(command, self, options); - - // Force write using primary - commandOptions.readPreference = ReadPreference.primary; - - // Execute the command - self.command(command, commandOptions, function(err, result) { - if(err && !err.ok && err.code == undefined) return handleCallback(callback, {code: -5000}); - if(err) return handleCallback(callback, err, null); - handleCallback(callback, null, result.ok ? true : false); - }) -} - -var removeUser = function(self, username, options, callback) { - // Attempt to execute command - _executeAuthRemoveUserCommand(self, username, options, function(err, result) { - if(err && err.code == -5000) { - var finalOptions = writeConcern(shallowClone(options), self, options); - // If we have another db set - var db = options.dbName ? self.db(options.dbName) : self; - - // Fetch a user collection - var collection = db.collection(Db.SYSTEM_USER_COLLECTION); - - // Locate the user - collection.findOne({user: username}, {}, function(err, user) { - if(user == null) return handleCallback(callback, err, false); - collection.remove({user: username}, finalOptions, function(err) { - handleCallback(callback, err, true); - }); - }); - - return; - } - - if(err) return handleCallback(callback, err); - handleCallback(callback, err, result); - }); -} - -define.classMethod('removeUser', {callback: true, promise:true}); - -/** - * Remove a user from a database - * @method - * @param {string} username The username. - * @param {object} [options=null] Optional settings. - * @param {(number|string)} [options.w=null] The write concern. - * @param {number} [options.wtimeout=null] The write concern timeout. - * @param {boolean} [options.j=false] Specify a journal write concern. - * @param {Db~resultCallback} [callback] The command result callback - * @return {Promise} returns Promise if no callback passed - */ -Db.prototype.removeUser = function(username, options, callback) { - // Unpack the parameters - var self = this; - var args = Array.prototype.slice.call(arguments, 1); - callback = args.pop(); - if(typeof callback != 'function') args.push(callback); - options = args.length ? args.shift() || {} : {}; - - // If we have a callback fallback - if(typeof callback == 'function') return removeUser(self, username, options, callback); - - // Return a promise - return new this.s.promiseLibrary(function(resolve, reject) { - removeUser(self, username, options, function(err, r) { - if(err) return reject(err); - resolve(r); - }); - }); -}; - -var authenticate = function(self, username, password, options, callback) { - // Did the user destroy the topology - if(self.serverConfig && self.serverConfig.isDestroyed()) return callback(new MongoError('topology was destroyed')); - - // the default db to authenticate against is 'self' - // if authententicate is called from a retry context, it may be another one, like admin - var authdb = options.dbName ? options.dbName : self.databaseName; - authdb = self.authSource ? self.authSource : authdb; - authdb = options.authdb ? options.authdb : authdb; - authdb = options.authSource ? options.authSource : authdb; - - // Callback - var _callback = function(err, result) { - if(self.listeners('authenticated').length > 0) { - self.emit('authenticated', err, result); - } - - // Return to caller - handleCallback(callback, err, result); - } - - // authMechanism - var authMechanism = options.authMechanism || ''; - authMechanism = authMechanism.toUpperCase(); - - // If classic auth delegate to auth command - if(authMechanism == 'MONGODB-CR') { - self.s.topology.auth('mongocr', authdb, username, password, function(err) { - if(err) return handleCallback(callback, err, false); - _callback(null, true); - }); - } else if(authMechanism == 'PLAIN') { - self.s.topology.auth('plain', authdb, username, password, function(err) { - if(err) return handleCallback(callback, err, false); - _callback(null, true); - }); - } else if(authMechanism == 'MONGODB-X509') { - self.s.topology.auth('x509', authdb, username, password, function(err) { - if(err) return handleCallback(callback, err, false); - _callback(null, true); - }); - } else if(authMechanism == 'SCRAM-SHA-1') { - self.s.topology.auth('scram-sha-1', authdb, username, password, function(err) { - if(err) return handleCallback(callback, err, false); - _callback(null, true); - }); - } else if(authMechanism == 'GSSAPI') { - if(process.platform == 'win32') { - self.s.topology.auth('sspi', authdb, username, password, options, function(err) { - if(err) return handleCallback(callback, err, false); - _callback(null, true); - }); - } else { - self.s.topology.auth('gssapi', authdb, username, password, options, function(err) { - if(err) return handleCallback(callback, err, false); - _callback(null, true); - }); - } - } else if(authMechanism == 'DEFAULT') { - self.s.topology.auth('default', authdb, username, password, function(err) { - if(err) return handleCallback(callback, err, false); - _callback(null, true); - }); - } else { - handleCallback(callback, MongoError.create({message: f("authentication mechanism %s not supported", options.authMechanism), driver:true})); - } -} - -/** - * Authenticate a user against the server. - * @method - * @param {string} username The username. - * @param {string} [password] The password. - * @param {object} [options=null] Optional settings. - * @param {string} [options.authMechanism=MONGODB-CR] The authentication mechanism to use, GSSAPI, MONGODB-CR, MONGODB-X509, PLAIN - * @param {Db~resultCallback} [callback] The command result callback - * @return {Promise} returns Promise if no callback passed - */ -Db.prototype.authenticate = function(username, password, options, callback) { - if(typeof options == 'function') callback = options, options = {}; - var self = this; - // Shallow copy the options - options = shallowClone(options); - - // Set default mechanism - if(!options.authMechanism) { - options.authMechanism = 'DEFAULT'; - } else if(options.authMechanism != 'GSSAPI' - && options.authMechanism != 'DEFAULT' - && options.authMechanism != 'MONGODB-CR' - && options.authMechanism != 'MONGODB-X509' - && options.authMechanism != 'SCRAM-SHA-1' - && options.authMechanism != 'PLAIN') { - return handleCallback(callback, MongoError.create({message: "only DEFAULT, GSSAPI, PLAIN, MONGODB-X509, SCRAM-SHA-1 or MONGODB-CR is supported by authMechanism", driver:true})); - } - - // If we have a callback fallback - if(typeof callback == 'function') return authenticate(self, username, password, options, function(err, r) { - // Support failed auth method - if(err && err.message && err.message.indexOf('saslStart') != -1) err.code = 59; - // Reject error - if(err) return callback(err, r); - callback(null, r); - }); - - // Return a promise - return new this.s.promiseLibrary(function(resolve, reject) { - authenticate(self, username, password, options, function(err, r) { - // Support failed auth method - if(err && err.message && err.message.indexOf('saslStart') != -1) err.code = 59; - // Reject error - if(err) return reject(err); - resolve(r); - }); - }); -}; - -define.classMethod('authenticate', {callback: true, promise:true}); - -/** - * Logout user from server, fire off on all connections and remove all auth info - * @method - * @param {object} [options=null] Optional settings. - * @param {string} [options.dbName=null] Logout against different database than current. - * @param {Db~resultCallback} [callback] The command result callback - * @return {Promise} returns Promise if no callback passed - */ -Db.prototype.logout = function(options, callback) { - var self = this; - if(typeof options == 'function') callback = options, options = {}; - options = options || {}; - - // Establish the correct database name - var dbName = this.s.authSource ? this.s.authSource : this.s.databaseName; - dbName = options.dbName ? options.dbName : dbName; - - // If we have a callback - if(typeof callback == 'function') { - return self.s.topology.logout(dbName, function(err) { - if(err) return callback(err); - callback(null, true); - }); - } - - // Return a promise - return new this.s.promiseLibrary(function(resolve, reject) { - self.s.topology.logout(dbName, function(err) { - if(err) return reject(err); - resolve(true); - }); - }); -} - -define.classMethod('logout', {callback: true, promise:true}); - -/** - * Retrieves this collections index info. - * @method - * @param {string} name The name of the collection. - * @param {object} [options=null] Optional settings. - * @param {boolean} [options.full=false] Returns the full raw index information. - * @param {(ReadPreference|string)} [options.readPreference=null] The preferred read preference (ReadPreference.PRIMARY, ReadPreference.PRIMARY_PREFERRED, ReadPreference.SECONDARY, ReadPreference.SECONDARY_PREFERRED, ReadPreference.NEAREST). - * @param {Db~resultCallback} [callback] The command result callback - * @return {Promise} returns Promise if no callback passed - */ -Db.prototype.indexInformation = function(name, options, callback) { - var self = this; - if(typeof options == 'function') callback = options, options = {}; - options = options || {}; - - // If we have a callback fallback - if(typeof callback == 'function') return indexInformation(self, name, options, callback); - - // Return a promise - return new this.s.promiseLibrary(function(resolve, reject) { - indexInformation(self, name, options, function(err, r) { - if(err) return reject(err); - resolve(r); - }); - }); -}; - -var indexInformation = function(self, name, options, callback) { - // If we specified full information - var full = options['full'] == null ? false : options['full']; - - // Did the user destroy the topology - if(self.serverConfig && self.serverConfig.isDestroyed()) return callback(new MongoError('topology was destroyed')); - - // Process all the results from the index command and collection - var processResults = function(indexes) { - // Contains all the information - var info = {}; - // Process all the indexes - for(var i = 0; i < indexes.length; i++) { - var index = indexes[i]; - // Let's unpack the object - info[index.name] = []; - for(var name in index.key) { - info[index.name].push([name, index.key[name]]); - } - } - - return info; - } - - // Get the list of indexes of the specified collection - self.collection(name).listIndexes().toArray(function(err, indexes) { - if(err) return callback(toError(err)); - if(!Array.isArray(indexes)) return handleCallback(callback, null, []); - if(full) return handleCallback(callback, null, indexes); - handleCallback(callback, null, processResults(indexes)); - }); -} - -define.classMethod('indexInformation', {callback: true, promise:true}); - -var createCreateIndexCommand = function(db, name, fieldOrSpec, options) { - var indexParameters = parseIndexOptions(fieldOrSpec); - var fieldHash = indexParameters.fieldHash; - - // Generate the index name - var indexName = typeof options.name == 'string' ? options.name : indexParameters.name; - var selector = { - 'ns': db.databaseName + "." + name, 'key': fieldHash, 'name': indexName - } - - // Ensure we have a correct finalUnique - var finalUnique = options == null || 'object' === typeof options ? false : options; - // Set up options - options = options == null || typeof options == 'boolean' ? {} : options; - - // Add all the options - var keysToOmit = Object.keys(selector); - for(var optionName in options) { - if(keysToOmit.indexOf(optionName) == -1) { - selector[optionName] = options[optionName]; - } - } - - if(selector['unique'] == null) selector['unique'] = finalUnique; - - // Remove any write concern operations - var removeKeys = ['w', 'wtimeout', 'j', 'fsync', 'readPreference']; - for(var i = 0; i < removeKeys.length; i++) { - delete selector[removeKeys[i]]; - } - - // Return the command creation selector - return selector; -} - -var createIndexUsingCreateIndexes = function(self, name, fieldOrSpec, options, callback) { - // Build the index - var indexParameters = parseIndexOptions(fieldOrSpec); - // Generate the index name - var indexName = typeof options.name == 'string' ? options.name : indexParameters.name; - // Set up the index - var indexes = [{ name: indexName, key: indexParameters.fieldHash }]; - // merge all the options - var keysToOmit = Object.keys(indexes[0]); - for(var optionName in options) { - if(keysToOmit.indexOf(optionName) == -1) { - indexes[0][optionName] = options[optionName]; - } - - // Remove any write concern operations - var removeKeys = ['w', 'wtimeout', 'j', 'fsync', 'readPreference']; - for(var i = 0; i < removeKeys.length; i++) { - delete indexes[0][removeKeys[i]]; - } - } - - // Get capabilities - var capabilities = self.s.topology.capabilities(); - - // Did the user pass in a collation, check if our write server supports it - if(indexes[0].collation && capabilities && !capabilities.commandsTakeCollation) { - // Create a new error - var error = new MongoError(f('server/primary/mongos does not support collation')); - error.code = 67; - // Return the error - return callback(error); - } - - // Create command, apply write concern to command - var cmd = writeConcern({createIndexes: name, indexes: indexes}, self, options); - - // Decorate command with writeConcern if supported - decorateWithWriteConcern(cmd, self, options); - - // ReadPreference primary - options.readPreference = ReadPreference.PRIMARY; - - // Build the command - self.command(cmd, options, function(err, result) { - if(err) return handleCallback(callback, err, null); - if(result.ok == 0) return handleCallback(callback, toError(result), null); - // Return the indexName for backward compatibility - handleCallback(callback, null, indexName); - }); -} - -// Validate the database name -var validateDatabaseName = function(databaseName) { - if(typeof databaseName !== 'string') throw MongoError.create({message: "database name must be a string", driver:true}); - if(databaseName.length === 0) throw MongoError.create({message: "database name cannot be the empty string", driver:true}); - if(databaseName == '$external') return; - - var invalidChars = [" ", ".", "$", "/", "\\"]; - for(var i = 0; i < invalidChars.length; i++) { - if(databaseName.indexOf(invalidChars[i]) != -1) throw MongoError.create({message: "database names cannot contain the character '" + invalidChars[i] + "'", driver:true}); - } -} - -// Get write concern -var writeConcern = function(target, db, options) { - if(options.w != null || options.j != null || options.fsync != null) { - var opts = {}; - if(options.w) opts.w = options.w; - if(options.wtimeout) opts.wtimeout = options.wtimeout; - if(options.j) opts.j = options.j; - if(options.fsync) opts.fsync = options.fsync; - target.writeConcern = opts; - } else if(db.writeConcern.w != null || db.writeConcern.j != null || db.writeConcern.fsync != null) { - target.writeConcern = db.writeConcern; - } - - return target -} - -// Add listeners to topology -var createListener = function(self, e, object) { - var listener = function(err) { - if(object.listeners(e).length > 0) { - object.emit(e, err, self); - - // Emit on all associated db's if available - for(var i = 0; i < self.s.children.length; i++) { - self.s.children[i].emit(e, err, self.s.children[i]); - } - } - } - return listener; -} - - -/** - * Unref all sockets - * @method - */ -Db.prototype.unref = function() { - this.s.topology.unref(); -} - -/** - * Db close event - * - * Emitted after a socket closed against a single server or mongos proxy. - * - * @event Db#close - * @type {MongoError} - */ - -/** - * Db authenticated event - * - * Emitted after all server members in the topology (single server, replicaset or mongos) have successfully authenticated. - * - * @event Db#authenticated - * @type {object} - */ - -/** - * Db reconnect event - * - * * Server: Emitted when the driver has reconnected and re-authenticated. - * * ReplicaSet: N/A - * * Mongos: Emitted when the driver reconnects and re-authenticates successfully against a Mongos. - * - * @event Db#reconnect - * @type {object} - */ - -/** - * Db error event - * - * Emitted after an error occurred against a single server or mongos proxy. - * - * @event Db#error - * @type {MongoError} - */ - -/** - * Db timeout event - * - * Emitted after a socket timeout occurred against a single server or mongos proxy. - * - * @event Db#timeout - * @type {MongoError} - */ - -/** - * Db parseError event - * - * The parseError event is emitted if the driver detects illegal or corrupt BSON being received from the server. - * - * @event Db#parseError - * @type {MongoError} - */ - -/** - * Db fullsetup event, emitted when all servers in the topology have been connected to at start up time. - * - * * Server: Emitted when the driver has connected to the single server and has authenticated. - * * ReplSet: Emitted after the driver has attempted to connect to all replicaset members. - * * Mongos: Emitted after the driver has attempted to connect to all mongos proxies. - * - * @event Db#fullsetup - * @type {Db} - */ - -// Constants -Db.SYSTEM_NAMESPACE_COLLECTION = "system.namespaces"; -Db.SYSTEM_INDEX_COLLECTION = "system.indexes"; -Db.SYSTEM_PROFILE_COLLECTION = "system.profile"; -Db.SYSTEM_USER_COLLECTION = "system.users"; -Db.SYSTEM_COMMAND_COLLECTION = "$cmd"; -Db.SYSTEM_JS_COLLECTION = "system.js"; - -module.exports = Db; |