store.js
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/*!
* Connect - session - Store
* Copyright(c) 2010 Sencha Inc.
* Copyright(c) 2011 TJ Holowaychuk
* MIT Licensed
*/
'use strict';
/**
* Module dependencies.
* @private
*/
var Cookie = require('./cookie')
var EventEmitter = require('events').EventEmitter
var Session = require('./session')
var util = require('util')
/**
* Module exports.
* @public
*/
module.exports = Store
/**
* Abstract base class for session stores.
* @public
*/
function Store () {
EventEmitter.call(this)
}
/**
* Inherit from EventEmitter.
*/
util.inherits(Store, EventEmitter)
/**
* Re-generate the given requests's session.
*
* @param {IncomingRequest} req
* @return {Function} fn
* @api public
*/
Store.prototype.regenerate = function(req, fn){
var self = this;
this.destroy(req.sessionID, function(err){
self.generate(req);
fn(err);
});
};
/**
* Load a `Session` instance via the given `sid`
* and invoke the callback `fn(err, sess)`.
*
* @param {String} sid
* @param {Function} fn
* @api public
*/
Store.prototype.load = function(sid, fn){
var self = this;
this.get(sid, function(err, sess){
if (err) return fn(err);
if (!sess) return fn();
var req = { sessionID: sid, sessionStore: self };
fn(null, self.createSession(req, sess))
});
};
/**
* Create session from JSON `sess` data.
*
* @param {IncomingRequest} req
* @param {Object} sess
* @return {Session}
* @api private
*/
Store.prototype.createSession = function(req, sess){
var expires = sess.cookie.expires
, orig = sess.cookie.originalMaxAge;
sess.cookie = new Cookie(sess.cookie);
if ('string' == typeof expires) sess.cookie.expires = new Date(expires);
sess.cookie.originalMaxAge = orig;
req.session = new Session(req, sess);
return req.session;
};