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memstore.js
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/*! * Copyright (c) 2015, Salesforce.com, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3. Neither the name of Salesforce.com nor the names of its contributors may * be used to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ 'use strict'; var Store = require('./store').Store; var permuteDomain = require('./permuteDomain').permuteDomain; var pathMatch = require('./pathMatch').pathMatch; var util = require('util'); function MemoryCookieStore() { Store.call(this); this.idx = {}; } util.inherits(MemoryCookieStore, Store); exports.MemoryCookieStore = MemoryCookieStore; MemoryCookieStore.prototype.idx = null; // Since it's just a struct in RAM, this Store is synchronous MemoryCookieStore.prototype.synchronous = true; // force a default depth: MemoryCookieStore.prototype.inspect = function() { return "{ idx: "+util.inspect(this.idx, false, 2)+' }'; }; // Use the new custom inspection symbol to add the custom inspect function if // available. if (util.inspect.custom) { MemoryCookieStore.prototype[util.inspect.custom] = MemoryCookieStore.prototype.inspect; } MemoryCookieStore.prototype.findCookie = function(domain, path, key, cb) { if (!this.idx[domain]) { return cb(null,undefined); } if (!this.idx[domain][path]) { return cb(null,undefined); } return cb(null,this.idx[domain][path][key]||null); }; MemoryCookieStore.prototype.findCookies = function(domain, path, cb) { var results = []; if (!domain) { return cb(null,[]); } var pathMatcher; if (!path) { // null means "all paths" pathMatcher = function matchAll(domainIndex) { for (var curPath in domainIndex) { var pathIndex = domainIndex[curPath]; for (var key in pathIndex) { results.push(pathIndex[key]); } } }; } else { pathMatcher = function matchRFC(domainIndex) { //NOTE: we should use path-match algorithm from S5.1.4 here //(see : https://github.com/ChromiumWebApps/chromium/blob/b3d3b4da8bb94c1b2e061600df106d590fda3620/net/cookies/canonical_cookie.cc#L299) Object.keys(domainIndex).forEach(function (cookiePath) { if (pathMatch(path, cookiePath)) { var pathIndex = domainIndex[cookiePath]; for (var key in pathIndex) { results.push(pathIndex[key]); } } }); }; } var domains = permuteDomain(domain) || [domain]; var idx = this.idx; domains.forEach(function(curDomain) { var domainIndex = idx[curDomain]; if (!domainIndex) { return; } pathMatcher(domainIndex); }); cb(null,results); }; MemoryCookieStore.prototype.putCookie = function(cookie, cb) { if (!this.idx[cookie.domain]) { this.idx[cookie.domain] = {}; } if (!this.idx[cookie.domain][cookie.path]) { this.idx[cookie.domain][cookie.path] = {}; } this.idx[cookie.domain][cookie.path][cookie.key] = cookie; cb(null); }; MemoryCookieStore.prototype.updateCookie = function(oldCookie, newCookie, cb) { // updateCookie() may avoid updating cookies that are identical. For example, // lastAccessed may not be important to some stores and an equality // comparison could exclude that field. this.putCookie(newCookie,cb); }; MemoryCookieStore.prototype.removeCookie = function(domain, path, key, cb) { if (this.idx[domain] && this.idx[domain][path] && this.idx[domain][path][key]) { delete this.idx[domain][path][key]; } cb(null); }; MemoryCookieStore.prototype.removeCookies = function(domain, path, cb) { if (this.idx[domain]) { if (path) { delete this.idx[domain][path]; } else { delete this.idx[domain]; } } return cb(null); }; MemoryCookieStore.prototype.getAllCookies = function(cb) { var cookies = []; var idx = this.idx; var domains = Object.keys(idx); domains.forEach(function(domain) { var paths = Object.keys(idx[domain]); paths.forEach(function(path) { var keys = Object.keys(idx[domain][path]); keys.forEach(function(key) { if (key !== null) { cookies.push(idx[domain][path][key]); } }); }); }); // Sort by creationIndex so deserializing retains the creation order. // When implementing your own store, this SHOULD retain the order too cookies.sort(function(a,b) { return (a.creationIndex||0) - (b.creationIndex||0); }); cb(null, cookies); };