chrome/browser/resources/cryptotoken/usbgnubbyfactory.js

   1 // Copyright 2014 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 Contains a simple factory for creating and opening Gnubby
   7  * instances.
   8  */
   9 'use strict';
  10
  11 /**
  12  * @param {Gnubbies} gnubbies Gnubbies singleton instance
  13  * @constructor
  14  * @implements {GnubbyFactory}
  15  */
  16 function UsbGnubbyFactory(gnubbies) {
  17   /** @private {Gnubbies} */
  18   this.gnubbies_ = gnubbies;
  19   Gnubby.setGnubbies(gnubbies);
  20 }
  21
  22 /**
  23  * Creates a new gnubby object, and opens the gnubby with the given index.
  24  * @param {GnubbyDeviceId} which The device to open.
  25  * @param {boolean} forEnroll Whether this gnubby is being opened for enrolling.
  26  * @param {FactoryOpenCallback} cb Called with result of opening the gnubby.
  27  * @param {string=} opt_appIdHash The base64-encoded hash of the app id for
  28  *     which the gnubby being opened.
  29  * @param {string=} opt_logMsgUrl The url to post log messages to.
  30  * @override
  31  */
  32 UsbGnubbyFactory.prototype.openGnubby =
  33     function(which, forEnroll, cb, opt_appIdHash, opt_logMsgUrl) {
  34   var gnubby = new Gnubby();
  35   gnubby.open(which, function(rc) {
  36     if (rc) {
  37       cb(rc, gnubby);
  38       return;
  39     }
  40     gnubby.sync(function(rc) {
  41       cb(rc, gnubby);
  42     });
  43   });
  44 };
  45
  46 /**
  47  * Enumerates gnubbies.
  48  * @param {function(number, Array<GnubbyDeviceId>)} cb Enumerate callback
  49  */
  50 UsbGnubbyFactory.prototype.enumerate = function(cb) {
  51   this.gnubbies_.enumerate(cb);
  52 };
  53
  54 /**
  55  * No-op prerequisite check.
  56  * @param {Gnubby} gnubby The not-enrolled gnubby.
  57  * @param {string} appIdHash The base64-encoded hash of the app id for which
  58  *     the gnubby being enrolled.
  59  * @param {FactoryOpenCallback} cb Called with the result of the prerequisite
  60  *     check. (A non-zero status indicates failure.)
  61  */
  62 UsbGnubbyFactory.prototype.notEnrolledPrerequisiteCheck =
  63     function(gnubby, appIdHash, cb) {
  64   cb(DeviceStatusCodes.OK_STATUS, gnubby);
  65 };