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Started on node.js+socket.io+mongoDB on the backend for more responsivnes
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KasperRT
347
server/node_modules/mongodb/lib/admin.js
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vendored
Executable file
347
server/node_modules/mongodb/lib/admin.js
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"use strict";
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var toError = require('./utils').toError;
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/**
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* @fileOverview The **Admin** class is an internal class that allows convenient access to
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* the admin functionality and commands for MongoDB.
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*
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* **ADMIN Cannot directly be instantiated**
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* @example
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* var MongoClient = require('mongodb').MongoClient,
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* test = require('assert');
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* // Connection url
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* var url = 'mongodb://localhost:27017/test';
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* // Connect using MongoClient
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* MongoClient.connect(url, function(err, db) {
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* // Use the admin database for the operation
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* var adminDb = db.admin();
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*
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* // List all the available databases
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* adminDb.listDatabases(function(err, dbs) {
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* test.equal(null, err);
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* test.ok(dbs.databases.length > 0);
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* db.close();
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* });
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* });
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*/
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/**
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* Create a new Admin instance (INTERNAL TYPE, do not instantiate directly)
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* @class
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* @return {Admin} a collection instance.
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*/
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var Admin = function(db, topology) {
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if(!(this instanceof Admin)) return new Admin(db, topology);
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var self = this;
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// Internal state
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this.s = {
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db: db
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, topology: topology
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}
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}
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/**
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* The callback format for results
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* @callback Admin~resultCallback
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* @param {MongoError} error An error instance representing the error during the execution.
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* @param {object} result The result object if the command was executed successfully.
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*/
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/**
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* Execute a command
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* @method
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* @param {object} command The command hash
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* @param {object} [options=null] Optional settings.
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* @param {(ReadPreference|string)} [options.readPreference=null] The preferred read preference (ReadPreference.PRIMARY, ReadPreference.PRIMARY_PREFERRED, ReadPreference.SECONDARY, ReadPreference.SECONDARY_PREFERRED, ReadPreference.NEAREST).
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* @param {number} [options.maxTimeMS=null] Number of milliseconds to wait before aborting the query.
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* @param {Admin~resultCallback} callback The command result callback
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* @return {null}
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*/
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Admin.prototype.command = function(command, options, callback) {
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var args = Array.prototype.slice.call(arguments, 1);
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callback = args.pop();
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options = args.length ? args.shift() : {};
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// Execute a command
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this.s.db.executeDbAdminCommand(command, options, function(err, doc) {
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return callback != null ? callback(err, doc) : null;
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});
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}
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/**
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* Retrieve the server information for the current
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* instance of the db client
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*
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* @param {Admin~resultCallback} callback The command result callback
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* @return {null}
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*/
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Admin.prototype.buildInfo = function(callback) {
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this.serverInfo(callback);
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}
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/**
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* Retrieve the server information for the current
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* instance of the db client
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*
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* @param {Admin~resultCallback} callback The command result callback
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* @return {null}
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*/
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Admin.prototype.serverInfo = function(callback) {
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this.s.db.executeDbAdminCommand({buildinfo:1}, function(err, doc) {
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if(err != null) return callback(err, null);
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return callback(null, doc);
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});
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}
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/**
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* Retrieve this db's server status.
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*
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* @param {Admin~resultCallback} callback The command result callback
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* @return {null}
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*/
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Admin.prototype.serverStatus = function(callback) {
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var self = this;
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this.s.db.executeDbAdminCommand({serverStatus: 1}, function(err, doc) {
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if(err == null && doc.ok === 1) {
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callback(null, doc);
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} else {
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if(err) return callback(err, false);
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return callback(toError(doc), false);
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}
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});
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};
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/**
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* Retrieve the current profiling Level for MongoDB
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*
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* @param {Admin~resultCallback} callback The command result callback
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* @return {null}
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*/
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Admin.prototype.profilingLevel = function(callback) {
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var self = this;
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this.s.db.executeDbAdminCommand({profile:-1}, function(err, doc) {
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doc = doc;
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if(err == null && doc.ok === 1) {
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var was = doc.was;
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if(was == 0) return callback(null, "off");
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if(was == 1) return callback(null, "slow_only");
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if(was == 2) return callback(null, "all");
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return callback(new Error("Error: illegal profiling level value " + was), null);
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} else {
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err != null ? callback(err, null) : callback(new Error("Error with profile command"), null);
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}
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});
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};
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/**
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* Ping the MongoDB server and retrieve results
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*
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* @param {Admin~resultCallback} callback The command result callback
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* @return {null}
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*/
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Admin.prototype.ping = function(options, callback) {
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var args = Array.prototype.slice.call(arguments, 0);
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this.s.db.executeDbAdminCommand({ping: 1}, args.pop());
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}
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/**
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* Authenticate a user against the server.
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* @method
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* @param {string} username The username.
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* @param {string} [password] The password.
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* @param {Admin~resultCallback} callback The command result callback
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* @return {null}
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*/
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Admin.prototype.authenticate = function(username, password, callback) {
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this.s.db.authenticate(username, password, {authdb: 'admin'}, function(err, doc) {
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return callback(err, doc);
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})
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}
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/**
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* Logout user from server, fire off on all connections and remove all auth info
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* @method
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* @param {Admin~resultCallback} callback The command result callback
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* @return {null}
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*/
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Admin.prototype.logout = function(callback) {
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this.s.db.logout({authdb: 'admin'}, function(err, doc) {
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return callback(err, doc);
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})
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}
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/**
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* Add a user to the database.
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* @method
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* @param {string} username The username.
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* @param {string} password The password.
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* @param {object} [options=null] Optional settings.
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* @param {(number|string)} [options.w=null] The write concern.
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* @param {number} [options.wtimeout=null] The write concern timeout.
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* @param {boolean} [options.j=false] Specify a journal write concern.
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* @param {boolean} [options.fsync=false] Specify a file sync write concern.
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* @param {object} [options.customData=null] Custom data associated with the user (only Mongodb 2.6 or higher)
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* @param {object[]} [options.roles=null] Roles associated with the created user (only Mongodb 2.6 or higher)
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* @param {Admin~resultCallback} callback The command result callback
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* @return {null}
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*/
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Admin.prototype.addUser = function(username, password, options, callback) {
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var args = Array.prototype.slice.call(arguments, 2);
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callback = args.pop();
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options = args.length ? args.shift() : {};
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// Set the db name to admin
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options.dbName = 'admin';
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// Add user
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this.s.db.addUser(username, password, options, function(err, doc) {
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return callback(err, doc);
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})
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}
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/**
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* Remove a user from a database
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* @method
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* @param {string} username The username.
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* @param {object} [options=null] Optional settings.
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* @param {(number|string)} [options.w=null] The write concern.
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* @param {number} [options.wtimeout=null] The write concern timeout.
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* @param {boolean} [options.j=false] Specify a journal write concern.
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* @param {boolean} [options.fsync=false] Specify a file sync write concern.
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* @param {Admin~resultCallback} callback The command result callback
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* @return {null}
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*/
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Admin.prototype.removeUser = function(username, options, callback) {
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var self = this;
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var args = Array.prototype.slice.call(arguments, 1);
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callback = args.pop();
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options = args.length ? args.shift() : {};
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options.dbName = 'admin';
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this.s.db.removeUser(username, options, function(err, doc) {
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return callback(err, doc);
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})
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}
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/**
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* Set the current profiling level of MongoDB
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*
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* @param {string} level The new profiling level (off, slow_only, all).
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* @param {Admin~resultCallback} callback The command result callback.
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* @return {null}
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*/
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Admin.prototype.setProfilingLevel = function(level, callback) {
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var self = this;
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var command = {};
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var profile = 0;
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if(level == "off") {
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profile = 0;
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} else if(level == "slow_only") {
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profile = 1;
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} else if(level == "all") {
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profile = 2;
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} else {
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return callback(new Error("Error: illegal profiling level value " + level));
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}
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// Set up the profile number
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command['profile'] = profile;
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this.s.db.executeDbAdminCommand(command, function(err, doc) {
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doc = doc;
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if(err == null && doc.ok === 1)
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return callback(null, level);
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return err != null ? callback(err, null) : callback(new Error("Error with profile command"), null);
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});
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};
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/**
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* Retrive the current profiling information for MongoDB
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*
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* @param {Admin~resultCallback} callback The command result callback.
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* @return {null}
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*/
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Admin.prototype.profilingInfo = function(callback) {
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try {
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this.s.topology.cursor("admin.system.profile", { find: 'system.profile', query: {}}, {}).toArray(callback);
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} catch (err) {
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return callback(err, null);
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}
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};
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/**
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* Validate an existing collection
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*
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* @param {string} collectionName The name of the collection to validate.
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* @param {object} [options=null] Optional settings.
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* @param {Admin~resultCallback} callback The command result callback.
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* @return {null}
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*/
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Admin.prototype.validateCollection = function(collectionName, options, callback) {
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var args = Array.prototype.slice.call(arguments, 1);
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callback = args.pop();
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options = args.length ? args.shift() : {};
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var self = this;
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var command = {validate: collectionName};
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var keys = Object.keys(options);
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// Decorate command with extra options
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for(var i = 0; i < keys.length; i++) {
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if(options.hasOwnProperty(keys[i])) {
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command[keys[i]] = options[keys[i]];
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}
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}
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this.s.db.command(command, function(err, doc) {
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if(err != null) return callback(err, null);
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if(doc.ok === 0)
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return callback(new Error("Error with validate command"), null);
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if(doc.result != null && doc.result.constructor != String)
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return callback(new Error("Error with validation data"), null);
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if(doc.result != null && doc.result.match(/exception|corrupt/) != null)
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return callback(new Error("Error: invalid collection " + collectionName), null);
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if(doc.valid != null && !doc.valid)
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return callback(new Error("Error: invalid collection " + collectionName), null);
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return callback(null, doc);
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});
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};
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/**
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* List the available databases
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*
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* @param {Admin~resultCallback} callback The command result callback.
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* @return {null}
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*/
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Admin.prototype.listDatabases = function(callback) {
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this.s.db.executeDbAdminCommand({listDatabases:1}, {}, function(err, doc) {
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if(err != null) return callback(err, null);
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return callback(null, doc);
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});
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}
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/**
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* Get ReplicaSet status
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*
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* @param {Admin~resultCallback} callback The command result callback.
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* @return {null}
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*/
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Admin.prototype.replSetGetStatus = function(callback) {
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var self = this;
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this.s.db.executeDbAdminCommand({replSetGetStatus:1}, function(err, doc) {
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if(err == null && doc.ok === 1)
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return callback(null, doc);
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if(err) return callback(err, false);
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return callback(toError(doc), false);
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});
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};
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module.exports = Admin;
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