chrome/browser/resources/cryptotoken/cryptotokenorigincheck.js

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 /**
   6  * @fileoverview Implements a check whether an origin is allowed to assert an
   7  * app id based on whether they share the same effective TLD + 1.
   8  *
   9  */
  10 'use strict';
  11
  12 /**
  13  * Implements half of the app id policy: whether an origin is allowed to claim
  14  * an app id. For checking whether the app id also lists the origin,
  15  * @see AppIdChecker.
  16  * @implements OriginChecker
  17  * @constructor
  18  */
  19 function CryptoTokenOriginChecker() {
  20 }
  21
  22 /**
  23  * Checks whether the origin is allowed to claim the app ids.
  24  * @param {string} origin The origin claiming the app id.
  25  * @param {!Array<string>} appIds The app ids being claimed.
  26  * @return {Promise<boolean>} A promise for the result of the check.
  27  */
  28 CryptoTokenOriginChecker.prototype.canClaimAppIds = function(origin, appIds) {
  29   var appIdChecks = appIds.map(this.checkAppId_.bind(this, origin));
  30   return Promise.all(appIdChecks).then(function(results) {
  31     return results.every(function(result) {
  32       return result;
  33     });
  34   });
  35 };
  36
  37 /**
  38  * Checks if a single appId can be asserted by the given origin.
  39  * @param {string} origin The origin.
  40  * @param {string} appId The appId to check
  41  * @return {Promise<boolean>} A promise for the result of the check
  42  * @private
  43  */
  44 CryptoTokenOriginChecker.prototype.checkAppId_ =
  45     function(origin, appId) {
  46   return new Promise(function(resolve, reject) {
  47     if (!chrome.cryptotokenPrivate) {
  48       reject();
  49       return;
  50     }
  51     chrome.cryptotokenPrivate.canOriginAssertAppId(origin, appId, resolve);
  52   });
  53 };