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August 1, 2010 19:43
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/*! | |
* Connect - Mongo | |
* Copyright(c) 2010 Vladimir Dronnikov <dronnikov@gmail.com> | |
* MIT Licensed | |
*/ | |
/** | |
* Module dependencies. | |
*/ | |
var sys = require('sys'), | |
Store = require('connect/middleware/session/store'), | |
DB = require('mongodb/db').Db, | |
Server = require("mongodb/connection").Server; | |
/** | |
* Initialize MongoStore with the given `options`. | |
* | |
* @param {Object} options | |
* @api public | |
*/ | |
var MongoStore = module.exports = function MongoStore(options) { | |
options = options || {}; | |
Store.call(this, options); | |
var self = this; | |
var connection = new DB(options.dbname, new Server(options.host || '127.0.0.1', options.port || 27017, {}), {}); | |
connection.open(function(err, db){ | |
db.collection(options.collection || 'Session', function(err, collection){ | |
self.client = collection; | |
}); | |
}); | |
}; | |
sys.inherits(MongoStore, Store); | |
/** | |
* Attempt to fetch session by the given `hash`. | |
* | |
* @param {String} hash | |
* @param {Function} fn | |
* @api public | |
*/ | |
MongoStore.prototype.get = function(hash, fn){ | |
this.client.findOne({_id: hash}, function(err, data){ | |
try { | |
if (data) delete data._id; | |
// TODO: fail if expired | |
fn(null, data); | |
} catch (err) { | |
fn(err); | |
} | |
}); | |
}; | |
/** | |
* Commit the given `sess` object associated with the given `hash`. | |
* | |
* @param {String} hash | |
* @param {Session} sess | |
* @param {Function} fn | |
* @api public | |
*/ | |
MongoStore.prototype.set = function(hash, sess, fn){ | |
var self = this; | |
try { | |
sess._id = hash; | |
this.client.update({_id: hash}, sess, {upsert: true}, function(err, data){ | |
if (data) delete data._id; | |
fn && fn.apply(this, arguments); | |
}); | |
} catch (err) { | |
fn && fn(err); | |
} | |
}; | |
/** | |
* Destroy the session associated with the given `hash`. | |
* | |
* @param {String} hash | |
* @api public | |
*/ | |
MongoStore.prototype.destroy = function(hash, fn){ | |
this.client.remove({_id: hash}, fn); | |
}; | |
/** | |
* Fetch number of sessions. | |
* | |
* @param {Function} fn | |
* @api public | |
*/ | |
MongoStore.prototype.length = function(fn){ | |
this.client.count({}, fn); | |
}; | |
/** | |
* Clear all sessions. | |
* | |
* @param {Function} fn | |
* @api public | |
*/ | |
MongoStore.prototype.clear = function(fn){ | |
this.client.drop(fn); | |
}; |
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