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