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/*!
* Tobi - CookieJar
* Copyright(c) 2010 LearnBoost <dev@learnboost.com>
* MIT Licensed
*/
/**
* Module dependencies.
*/
var url = require('url');
/**
* Initialize a new `CookieJar`.
*
* @api private
*/
var CookieJar = exports = module.exports = function CookieJar() {
this.cookies = [];
};
/**
* Add the given `cookie` to the jar.
*
* @param {Cookie} cookie
* @api private
*/
CookieJar.prototype.add = function(cookie){
this.cookies = this.cookies.filter(function(c){
// Avoid duplication (same path, same name)
return !(c.name == cookie.name && c.path == cookie.path);
});
this.cookies.push(cookie);
};
/**
* Get cookies for the given `req`.
*
* @param {IncomingRequest} req
* @return {Array}
* @api private
*/
CookieJar.prototype.get = function(req){
var path = url.parse(req.url).pathname
, now = new Date
, specificity = {};
return this.cookies.filter(function(cookie){
if (0 == path.indexOf(cookie.path) && now < cookie.expires
&& cookie.path.length > (specificity[cookie.name] || 0))
return specificity[cookie.name] = cookie.path.length;
});
};
/**
* Return Cookie string for the given `req`.
*
* @param {IncomingRequest} req
* @return {String}
* @api private
*/
CookieJar.prototype.cookieString = function(req){
var cookies = this.get(req);
if (cookies.length) {
return cookies.map(function(cookie){
return cookie.name + '=' + cookie.value;
}).join('; ');
}
};
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