node_modules/request/vendor/cookie/jar.js

   1 /*!
   2 * Tobi - CookieJar
   3 * Copyright(c) 2010 LearnBoost <dev@learnboost.com>
   4 * MIT Licensed
   5 */
   6
   7 /**
   8 * Module dependencies.
   9 */
  10
  11 var url = require('url');
  12
  13 /**
  14 * Initialize a new `CookieJar`.
  15 *
  16 * @api private
  17 */
  18
  19 var CookieJar = exports = module.exports = function CookieJar() {
  20   this.cookies = [];
  21 };
  22
  23 /**
  24 * Add the given `cookie` to the jar.
  25 *
  26 * @param {Cookie} cookie
  27 * @api private
  28 */
  29
  30 CookieJar.prototype.add = function(cookie){
  31   this.cookies = this.cookies.filter(function(c){
  32     // Avoid duplication (same path, same name)
  33     return !(c.name == cookie.name && c.path == cookie.path);
  34   });
  35   this.cookies.push(cookie);
  36 };
  37
  38 /**
  39 * Get cookies for the given `req`.
  40 *
  41 * @param {IncomingRequest} req
  42 * @return {Array}
  43 * @api private
  44 */
  45
  46 CookieJar.prototype.get = function(req){
  47   var path = url.parse(req.url).pathname
  48     , now = new Date
  49     , specificity = {};
  50   return this.cookies.filter(function(cookie){
  51     if (0 == path.indexOf(cookie.path) && now < cookie.expires
  52       && cookie.path.length > (specificity[cookie.name] || 0))
  53       return specificity[cookie.name] = cookie.path.length;
  54   });
  55 };
  56
  57 /**
  58 * Return Cookie string for the given `req`.
  59 *
  60 * @param {IncomingRequest} req
  61 * @return {String}
  62 * @api private
  63 */
  64
  65 CookieJar.prototype.cookieString = function(req){
  66   var cookies = this.get(req);
  67   if (cookies.length) {
  68     return cookies.map(function(cookie){
  69       return cookie.name + '=' + cookie.value;
  70     }).join('; ');
  71   }
  72 };