Webapp changes to support third party authentication

remoting/webapp/client_plugin_async.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview
  * Class that wraps low-level details of interacting with the client plugin.
  *
  * This abstracts a <embed> element and controls the plugin which does
  * the actual remoting work. It also handles differences between
@@ skipping 22 matching lines @@
   this.onOutgoingIqHandler = function (iq) {};
   /** @param {string} message Log message. */
   this.onDebugMessageHandler = function (message) {};
   /**
    * @param {number} state The connection state.
    * @param {number} error The error code, if any.
    */
   this.onConnectionStatusUpdateHandler = function(state, error) {};
   /** @param {boolean} ready Connection ready state. */
   this.onConnectionReadyHandler = function(ready) {};
+  /**
+   * @param {string} tokenUrl Token-request URL, received from the host.
+   * @param {string} hostPublicKey Public key for the host.
+   * @param {string} scope OAuth scope to request the token for.
+   */
+  this.fetchThirdPartyTokenHandler = function(
+    tokenUrl, hostPublicKey, scope) {};
   this.onDesktopSizeUpdateHandler = function () {};
   /** @param {!Array.<string>} capabilities The negotiated capabilities. */
   this.onSetCapabilitiesHandler = function (capabilities) {};
   this.fetchPinHandler = function () {};
 
   /** @type {number} */
   this.pluginApiVersion_ = -1;
   /** @type {Array.<string>} */
   this.pluginApiFeatures_ = [];
   /** @type {number} */
@@ skipping 206 matching lines @@
     this.fetchPinHandler();
   } else if (message.method == 'setCapabilities') {
     if (typeof message.data['capabilities'] != 'string') {
       console.error('Received incorrect setCapabilities message.');
       return;
     }
 
     /** @type {!Array.<string>} */
     var capabilities = tokenize(message.data['capabilities']);
     this.onSetCapabilitiesHandler(capabilities);
+  } else if (message.method == 'fetchThirdPartyToken') {
+    if (typeof message.data['tokenUrl'] != 'string' ||
+        typeof message.data['hostPublicKey'] != 'string' ||
+        typeof message.data['scope'] != 'string') {
+      console.error('Received incorrect fetchThirdPartyToken message.');
+      return;
+    }
+    var tokenUrl = /** @type {string} */ message.data['tokenUrl'];
+    var hostPublicKey =
+        /** @type {string} */ message.data['hostPublicKey'];
+    var scope = /** @type {string} */ message.data['scope'];
+    this.fetchThirdPartyTokenHandler(tokenUrl, hostPublicKey, scope);
   }
 };
 
 /**
  * Deletes the plugin.
  */
 remoting.ClientPluginAsync.prototype.cleanup = function() {
   this.plugin.parentNode.removeChild(this.plugin);
 };
 
@@ skipping 237 matching lines @@
 remoting.ClientPluginAsync.prototype.useAsyncPinDialog =
     function() {
   if (!this.hasFeature(remoting.ClientPlugin.Feature.ASYNC_PIN)) {
     return;
   }
   this.plugin.postMessage(JSON.stringify(
       { method: 'useAsyncPinDialog', data: {} }));
 };
 
 /**
+ * Sets the third party authentication token and shared secret.
+ *
+ * @param {string} token The token received from the token URL.
+ * @param {string} sharedSecret Shared secret received from the token URL.
+ */
+remoting.ClientPluginAsync.prototype.onThirdPartyTokenFetched = function(
+    token, sharedSecret) {
+  this.plugin.postMessage(JSON.stringify(
+    { method: 'onThirdPartyTokenFetched',
+      data: { token: token, sharedSecret: sharedSecret}}));
+};
+
+/**
  * If we haven't yet received a "hello" message from the plugin, change its
  * size so that the user can confirm it if click-to-play is enabled, or can
  * see the "this plugin is disabled" message if it is actually disabled.
  * @private
  */
 remoting.ClientPluginAsync.prototype.showPluginForClickToPlay_ = function() {
   if (!this.helloReceived_) {
     var width = 200;
     var height = 200;
     this.plugin.width = width;
     this.plugin.height = height;
     // Center the plugin just underneath the "Connnecting..." dialog.
     var parentNode = this.plugin.parentNode;
     var dialog = document.getElementById('client-dialog');
     var dialogRect = dialog.getBoundingClientRect();
     parentNode.style.top = (dialogRect.bottom + 16) + 'px';
     parentNode.style.left = (window.innerWidth - width) / 2 + 'px';
   }
 };