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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,83 @@ | ||
| /* This Source Code Form is subject to the terms of the Mozilla Public | ||
| * License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | ||
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| // A channel that completes the OAuth flow using Firefox WebChannel events | ||
| // https://developer.mozilla.org/en-US/docs/Mozilla/JavaScript_code_modules/WebChannel.jsm | ||
| // https://developer.mozilla.org/en-US/docs/Mozilla/JavaScript_code_modules/FxAccountsOAuthClient.jsm | ||
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| 'use strict'; | ||
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| define([ | ||
| 'underscore', | ||
| 'lib/url', | ||
| 'lib/channels/base' | ||
| ], function (_, Url, BaseChannel) { | ||
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| function noOp() { | ||
| // it's a noOp, nothing to do. | ||
| } | ||
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| function WebChannel(id) { | ||
| if (! id) { | ||
| throw new Error('WebChannel must have an id'); | ||
| } | ||
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| this.id = id; | ||
| } | ||
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| _.extend(WebChannel.prototype, new BaseChannel(), { | ||
| init: function (options) { | ||
| options = options || {}; | ||
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| this._window = options.window || window; | ||
| }, | ||
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| /** | ||
| * Creates a new WebChannelMessageToChrome CustomEvent and dispatches it. | ||
| * The event is received by a content script in Firefox | ||
| * | ||
| * @param {String} command | ||
| * Command name | ||
| * @param {Object} data | ||
| * Message Object | ||
| * @param {Function} [done] | ||
| * Optional callback function | ||
| */ | ||
| send: function (command, data, done) { | ||
| done = done || noOp; | ||
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| try { | ||
| // Browsers can blow up dispatching the event. | ||
| // Ignore the blowups and return without retrying. | ||
| var event = this.createEvent(command, data); | ||
| this._window.dispatchEvent(event); | ||
| } catch (e) { | ||
| return done && done(e); | ||
| } | ||
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| done(null); | ||
| }, | ||
| /** | ||
| * Create a WebChannel compatible custom event | ||
| * @param {String} command | ||
| * Command name | ||
| * @param {Object} data | ||
| * Message object | ||
| * @returns CustomEvent | ||
| */ | ||
| createEvent: function(command, data) { | ||
| return new this._window.CustomEvent('WebChannelMessageToChrome', { | ||
| detail: { | ||
| id: this.id, | ||
| message: { | ||
| command: command, | ||
| data: data | ||
| } | ||
| } | ||
| }); | ||
| } | ||
| }); | ||
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| return WebChannel; | ||
| }); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| /* This Source Code Form is subject to the terms of the Mozilla Public | ||
| * License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | ||
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| 'use strict'; | ||
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| define([ | ||
| 'underscore', | ||
| 'chai', | ||
| 'router', | ||
| 'views/sign_in', | ||
| 'lib/channels/web', | ||
| '/tests/mocks/window.js' | ||
| ], | ||
| function (_, chai, Router, View, WebChannel, WindowMock) { | ||
| var assert = chai.assert; | ||
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| describe('lib/channel/web', function () { | ||
| it('requires an id', function (done) { | ||
| try { | ||
| new WebChannel(); | ||
| } catch (e) { | ||
| assert.equal(e.message, 'WebChannel must have an id'); | ||
| done(); | ||
| } | ||
| }); | ||
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| describe('send', function () { | ||
| var windowMock; | ||
| var channel; | ||
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| beforeEach(function () { | ||
| windowMock = new WindowMock(); | ||
| }); | ||
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| it('sends an event with a callback', function (done) { | ||
| channel = new WebChannel('MyChannel', windowMock); | ||
| channel.init({ | ||
| window: windowMock | ||
| }); | ||
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| channel.send('after_render', {}, function (err, response) { | ||
| assert.notOk(err); | ||
| assert.ok(windowMock.dispatchedEvents['after_render']); | ||
| done(); | ||
| }); | ||
| }); | ||
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| it('throws an error if dispatchEvent fails', function (done) { | ||
| windowMock.dispatchEvent = function () { | ||
| throw new Error('Not supported'); | ||
| }; | ||
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| channel = new WebChannel('MyChannel', windowMock); | ||
| channel.init({ | ||
| window: windowMock | ||
| }); | ||
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| channel.send('after_render', {}, function (err, response) { | ||
| assert.equal(err.message, 'Not supported'); | ||
| assert.notOk(response); | ||
| done(); | ||
| } | ||
| ); | ||
| }); | ||
| }); | ||
| }); | ||
| }); |
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