Implement mocks for identity and host-list, add a browser test to test the app in various failure m…

remoting/webapp/crd/js/oauth2_api.js

 // Copyright 2013 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
  * OAuth2 API flow implementations.
  */
 
 'use strict';
 
 /** @suppress {duplicate} */
 var remoting = remoting || {};
 
-/** @constructor */
+/** @interface */
 remoting.OAuth2Api = function() {
 };
 
-/** @private
- *  @return {string} OAuth2 token URL.
- */
-remoting.OAuth2Api.prototype.getOAuth2TokenEndpoint_ = function() {
-  return remoting.settings.OAUTH2_BASE_URL + '/token';
-};
-
-/** @private
- *  @return {string} OAuth2 userinfo API URL.
- */
-remoting.OAuth2Api.prototype.getOAuth2ApiUserInfoEndpoint_ = function() {
-  return remoting.settings.OAUTH2_API_BASE_URL + '/v1/userinfo';
-};
-
-
-/**
- * Interprets HTTP error responses in authentication XMLHttpRequests.
- *
- * @private
- * @param {number} xhrStatus Status (HTTP response code) of the XMLHttpRequest.
- * @return {remoting.Error} An error code to be raised.
- */
-remoting.OAuth2Api.prototype.interpretXhrStatus_ =
-    function(xhrStatus) {
-  // Return AUTHENTICATION_FAILED by default, so that the user can try to
-  // recover from an unexpected failure by signing in again.
-  /** @type {remoting.Error} */
-  var error = remoting.Error.AUTHENTICATION_FAILED;
-  if (xhrStatus == 400 || xhrStatus == 401 || xhrStatus == 403) {
-    error = remoting.Error.AUTHENTICATION_FAILED;
-  } else if (xhrStatus == 502 || xhrStatus == 503) {
-    error = remoting.Error.SERVICE_UNAVAILABLE;
-  } else if (xhrStatus == 0) {
-    error = remoting.Error.NETWORK_FAILURE;
-  } else {
-    console.warn('Unexpected authentication response code: ' + xhrStatus);
-  }
-  return error;
-};
-
 /**
  * Asynchronously retrieves a new access token from the server.
  *
  * @param {function(string, number): void} onDone Callback to invoke when
  *     the access token and expiration time are successfully fetched.
  * @param {function(remoting.Error):void} onError Callback invoked if an
  *     error occurs.
  * @param {string} clientId OAuth2 client ID.
  * @param {string} clientSecret OAuth2 client secret.
  * @param {string} refreshToken OAuth2 refresh token to be redeemed.
  * @return {void} Nothing.
  */
 remoting.OAuth2Api.prototype.refreshAccessToken = function(
     onDone, onError, clientId, clientSecret, refreshToken) {
-  /** @param {XMLHttpRequest} xhr */
-  var onResponse = function(xhr) {
-    if (xhr.status == 200) {
-      try {
-        // Don't use base.jsonParseSafe here unless you also include base.js,
-        // otherwise this won't work from the OAuth trampoline.
-        // TODO(jamiewalch): Fix this once we're no longer using the trampoline.
-        var tokens = JSON.parse(xhr.responseText);
-        onDone(tokens['access_token'], tokens['expires_in']);
-      } catch (err) {
-        console.error('Invalid "token" response from server:',
-                      /** @type {*} */ (err));
-        onError(remoting.Error.UNEXPECTED);
-      }
-    } else {
-      console.error('Failed to refresh token. Status: ' + xhr.status +
-                    ' response: ' + xhr.responseText);
-      onError(remoting.Error.fromHttpError(xhr.status));
-    }
-  };
-
-  var parameters = {
-    'client_id': clientId,
-    'client_secret': clientSecret,
-    'refresh_token': refreshToken,
-    'grant_type': 'refresh_token'
-  };
-
-  remoting.xhr.post(this.getOAuth2TokenEndpoint_(), onResponse, parameters);
 };
 
 /**
  * Asynchronously exchanges an authorization code for access and refresh tokens.
  *
  * @param {function(string, string, number): void} onDone Callback to
  *     invoke when the refresh token, access token and access token expiration
  *     time are successfully fetched.
  * @param {function(remoting.Error):void} onError Callback invoked if an
  *     error occurs.
  * @param {string} clientId OAuth2 client ID.
  * @param {string} clientSecret OAuth2 client secret.
  * @param {string} code OAuth2 authorization code.
  * @param {string} redirectUri Redirect URI used to obtain this code.
  * @return {void} Nothing.
  */
 remoting.OAuth2Api.prototype.exchangeCodeForTokens = function(
     onDone, onError, clientId, clientSecret, code, redirectUri) {
-  /** @param {XMLHttpRequest} xhr */
-  var onResponse = function(xhr) {
-    if (xhr.status == 200) {
-      try {
-        // Don't use base.jsonParseSafe here unless you also include base.js,
-        // otherwise this won't work from the OAuth trampoline.
-        // TODO(jamiewalch): Fix this once we're no longer using the trampoline.
-        var tokens = JSON.parse(xhr.responseText);
-        onDone(tokens['refresh_token'],
-               tokens['access_token'], tokens['expires_in']);
-      } catch (err) {
-        console.error('Invalid "token" response from server:',
-                      /** @type {*} */ (err));
-        onError(remoting.Error.UNEXPECTED);
-      }
-    } else {
-      console.error('Failed to exchange code for token. Status: ' + xhr.status +
-                    ' response: ' + xhr.responseText);
-      onError(remoting.Error.fromHttpError(xhr.status));
-    }
-  };
-
-  var parameters = {
-    'client_id': clientId,
-    'client_secret': clientSecret,
-    'redirect_uri': redirectUri,
-    'code': code,
-    'grant_type': 'authorization_code'
-  };
-  remoting.xhr.post(this.getOAuth2TokenEndpoint_(), onResponse, parameters);
 };
 
 /**
  * Get the user's email address.
  *
+ * TODO(jamiewalch): Reorder these parameters to match the typical chrome API
+ *     convention of having callbacks at the end and remove the token parameter
+ *     to match remoting.HostListApi.
+ *
  * @param {function(string):void} onDone Callback invoked when the email
  *     address is available.
  * @param {function(remoting.Error):void} onError Callback invoked if an
  *     error occurs.
  * @param {string} token Access token.
  * @return {void} Nothing.
  */
 remoting.OAuth2Api.prototype.getEmail = function(onDone, onError, token) {
-  /** @param {XMLHttpRequest} xhr */
-  var onResponse = function(xhr) {
-    if (xhr.status == 200) {
-      try {
-        var result = JSON.parse(xhr.responseText);
-        onDone(result['email']);
-      } catch (err) {
-        console.error('Invalid "userinfo" response from server:',
-                      /** @type {*} */ (err));
-        onError(remoting.Error.UNEXPECTED);
-      }
-    } else {
-      console.error('Failed to get email. Status: ' + xhr.status +
-                    ' response: ' + xhr.responseText);
-      onError(remoting.Error.fromHttpError(xhr.status));
-    }
-  };
-  var headers = { 'Authorization': 'OAuth ' + token };
-  remoting.xhr.get(this.getOAuth2ApiUserInfoEndpoint_(),
-                   onResponse, '', headers);
 };
 
 /**
  * Get the user's email address and full name.
  *
  * @param {function(string, string):void} onDone Callback invoked when the email
  *     address and full name are available.
  * @param {function(remoting.Error):void} onError Callback invoked if an
  *     error occurs.
  * @param {string} token Access token.
  * @return {void} Nothing.
  */
 remoting.OAuth2Api.prototype.getUserInfo = function(onDone, onError, token) {
-  /** @param {XMLHttpRequest} xhr */
-  var onResponse = function(xhr) {
-    if (xhr.status == 200) {
-      try {
-        var result = JSON.parse(xhr.responseText);
-        onDone(result['email'], result['name']);
-      } catch (err) {
-        console.error('Invalid "userinfo" response from server:',
-                      /** @type {*} */ (err));
-        onError(remoting.Error.UNEXPECTED);
-      }
-    } else {
-      console.error('Failed to get user info. Status: ' + xhr.status +
-                    ' response: ' + xhr.responseText);
-      onError(remoting.Error.fromHttpError(xhr.status));
-    }
-  };
-  var headers = { 'Authorization': 'OAuth ' + token };
-  remoting.xhr.get(this.getOAuth2ApiUserInfoEndpoint_(),
-                   onResponse, '', headers);
 };
-
-/** @type {remoting.OAuth2Api} */
-remoting.oauth2Api = new remoting.OAuth2Api();