152 lines
2.7 KiB
JavaScript
152 lines
2.7 KiB
JavaScript
|
|
/*!
|
|
* Connect - session - MemoryStore
|
|
* Copyright(c) 2010 Sencha Inc.
|
|
* Copyright(c) 2011 TJ Holowaychuk
|
|
* MIT Licensed
|
|
*/
|
|
|
|
/**
|
|
* Module dependencies.
|
|
*/
|
|
|
|
var Store = require('./store');
|
|
|
|
/**
|
|
* Shim setImmediate for node.js < 0.10
|
|
*/
|
|
|
|
/* istanbul ignore next */
|
|
var defer = typeof setImmediate === 'function'
|
|
? setImmediate
|
|
: function(fn){ process.nextTick(fn.bind.apply(fn, arguments)) }
|
|
|
|
/**
|
|
* Initialize a new `MemoryStore`.
|
|
*
|
|
* @api public
|
|
*/
|
|
|
|
var MemoryStore = module.exports = function MemoryStore() {
|
|
this.sessions = Object.create(null);
|
|
};
|
|
|
|
/**
|
|
* Inherit from `Store.prototype`.
|
|
*/
|
|
|
|
MemoryStore.prototype.__proto__ = Store.prototype;
|
|
|
|
/**
|
|
* Attempt to fetch session by the given `sid`.
|
|
*
|
|
* @param {String} sid
|
|
* @param {Function} fn
|
|
* @api public
|
|
*/
|
|
|
|
MemoryStore.prototype.get = function(sid, fn){
|
|
var self = this;
|
|
var sess = self.sessions[sid];
|
|
|
|
if (!sess) {
|
|
return defer(fn);
|
|
}
|
|
|
|
// parse
|
|
sess = JSON.parse(sess);
|
|
|
|
var expires = typeof sess.cookie.expires === 'string'
|
|
? new Date(sess.cookie.expires)
|
|
: sess.cookie.expires;
|
|
|
|
// destroy expired session
|
|
if (expires && expires <= Date.now()) {
|
|
return self.destroy(sid, fn);
|
|
}
|
|
|
|
defer(fn, null, sess);
|
|
};
|
|
|
|
/**
|
|
* Commit the given `sess` object associated with the given `sid`.
|
|
*
|
|
* @param {String} sid
|
|
* @param {Session} sess
|
|
* @param {Function} fn
|
|
* @api public
|
|
*/
|
|
|
|
MemoryStore.prototype.set = function(sid, sess, fn){
|
|
this.sessions[sid] = JSON.stringify(sess);
|
|
fn && defer(fn);
|
|
};
|
|
|
|
/**
|
|
* Destroy the session associated with the given `sid`.
|
|
*
|
|
* @param {String} sid
|
|
* @api public
|
|
*/
|
|
|
|
MemoryStore.prototype.destroy = function(sid, fn){
|
|
delete this.sessions[sid];
|
|
fn && defer(fn);
|
|
};
|
|
|
|
/**
|
|
* Invoke the given callback `fn` with all active sessions.
|
|
*
|
|
* @param {Function} fn
|
|
* @api public
|
|
*/
|
|
|
|
MemoryStore.prototype.all = function(fn){
|
|
var keys = Object.keys(this.sessions);
|
|
var now = Date.now();
|
|
var obj = Object.create(null);
|
|
var sess;
|
|
var sid;
|
|
|
|
for (var i = 0, len = keys.length; i < len; ++i) {
|
|
sid = keys[i];
|
|
|
|
// parse
|
|
sess = JSON.parse(this.sessions[sid]);
|
|
|
|
expires = typeof sess.cookie.expires === 'string'
|
|
? new Date(sess.cookie.expires)
|
|
: sess.cookie.expires;
|
|
|
|
if (!expires || expires > now) {
|
|
obj[sid] = sess;
|
|
}
|
|
}
|
|
|
|
fn && defer(fn, null, obj);
|
|
};
|
|
|
|
/**
|
|
* Clear all sessions.
|
|
*
|
|
* @param {Function} fn
|
|
* @api public
|
|
*/
|
|
|
|
MemoryStore.prototype.clear = function(fn){
|
|
this.sessions = {};
|
|
fn && defer(fn);
|
|
};
|
|
|
|
/**
|
|
* Fetch number of sessions.
|
|
*
|
|
* @param {Function} fn
|
|
* @api public
|
|
*/
|
|
|
|
MemoryStore.prototype.length = function(fn){
|
|
var len = Object.keys(this.sessions).length;
|
|
defer(fn, null, len);
|
|
};
|