[Chromoting] Move shared webapp JS files from crd/js -> base/js

remoting/webapp/crd/js/oauth2_api_impl.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.
- */
-
-/** @suppress {duplicate} */
-var remoting = remoting || {};
-
-(function() {
-
-'use strict';
-
-/**
- * @constructor
- * @implements {remoting.OAuth2Api}
- */
-remoting.OAuth2ApiImpl = function() {
-};
-
-/** @private
- *  @return {string} OAuth2 token URL.
- */
-remoting.OAuth2ApiImpl.prototype.getOAuth2TokenEndpoint_ = function() {
-  return remoting.settings.OAUTH2_BASE_URL + '/token';
-};
-
-/** @private
- *  @return {string} OAuth2 userinfo API URL.
- */
-remoting.OAuth2ApiImpl.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.OAuth2ApiImpl.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 = new remoting.Error(remoting.Error.Tag.AUTHENTICATION_FAILED);
-  if (xhrStatus == 400 || xhrStatus == 401 || xhrStatus == 403) {
-    error = new remoting.Error(remoting.Error.Tag.AUTHENTICATION_FAILED);
-  } else if (xhrStatus == 502 || xhrStatus == 503) {
-    error = new remoting.Error(remoting.Error.Tag.SERVICE_UNAVAILABLE);
-  } else if (xhrStatus == 0) {
-    error = new remoting.Error(remoting.Error.Tag.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.OAuth2ApiImpl.prototype.refreshAccessToken = function(
-    onDone, onError, clientId, clientSecret, refreshToken) {
-  /** @param {!remoting.Xhr.Response} response */
-  var onResponse = function(response) {
-    if (response.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(response.getText());
-        onDone(tokens['access_token'], tokens['expires_in']);
-      } catch (/** @type {Error} */ err) {
-        console.error('Invalid "token" response from server:', err);
-        onError(remoting.Error.unexpected());
-      }
-    } else {
-      console.error('Failed to refresh token. Status: ' + response.status +
-                    ' response: ' + response.getText());
-      onError(remoting.Error.fromHttpStatus(response.status));
-    }
-  };
-
-  new remoting.Xhr({
-    method: 'POST',
-    url: this.getOAuth2TokenEndpoint_(),
-    formContent: {
-      'client_id': clientId,
-      'client_secret': clientSecret,
-      'refresh_token': refreshToken,
-      'grant_type': 'refresh_token'
-    }
-  }).start().then(onResponse);
-};
-
-/**
- * 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.OAuth2ApiImpl.prototype.exchangeCodeForTokens = function(
-    onDone, onError, clientId, clientSecret, code, redirectUri) {
-  /** @param {!remoting.Xhr.Response} response */
-  var onResponse = function(response) {
-    if (response.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(response.getText());
-        onDone(tokens['refresh_token'],
-               tokens['access_token'], tokens['expires_in']);
-      } catch (/** @type {Error} */ err) {
-        console.error('Invalid "token" response from server:', err);
-        onError(remoting.Error.unexpected());
-      }
-    } else {
-      console.error('Failed to exchange code for token. Status: ' +
-                    response.status + ' response: ' + response.getText());
-      onError(remoting.Error.fromHttpStatus(response.status));
-    }
-  };
-
-  new remoting.Xhr({
-    method: 'POST',
-    url: this.getOAuth2TokenEndpoint_(),
-    formContent: {
-      'client_id': clientId,
-      'client_secret': clientSecret,
-      'redirect_uri': redirectUri,
-      'code': code,
-      'grant_type': 'authorization_code'
-    }
-  }).start().then(onResponse);
-};
-
-/**
- * Get the user's email address.
- *
- * @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.OAuth2ApiImpl.prototype.getEmail = function(onDone, onError, token) {
-  /** @param {!remoting.Xhr.Response} response */
-  var onResponse = function(response) {
-    if (response.status == 200) {
-      try {
-        var result = JSON.parse(response.getText());
-        onDone(result['email']);
-      } catch (/** @type {Error} */ err) {
-        console.error('Invalid "userinfo" response from server:', err);
-        onError(remoting.Error.unexpected());
-      }
-    } else {
-      console.error('Failed to get email. Status: ' + response.status +
-                    ' response: ' + response.getText());
-      onError(remoting.Error.fromHttpStatus(response.status));
-    }
-  };
-  new remoting.Xhr({
-    method: 'GET',
-    url: this.getOAuth2ApiUserInfoEndpoint_(),
-    oauthToken: token
-  }).start().then(onResponse);
-};
-
-/**
- * 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.OAuth2ApiImpl.prototype.getUserInfo =
-    function(onDone, onError, token) {
-  /** @param {!remoting.Xhr.Response} response */
-  var onResponse = function(response) {
-    if (response.status == 200) {
-      try {
-        var result = JSON.parse(response.getText());
-        onDone(result['email'], result['name']);
-      } catch (/** @type {Error} */ err) {
-        console.error('Invalid "userinfo" response from server:', err);
-        onError(remoting.Error.unexpected());
-      }
-    } else {
-      console.error('Failed to get user info. Status: ' + response.status +
-                    ' response: ' + response.getText());
-      onError(remoting.Error.fromHttpStatus(response.status));
-    }
-  };
-  new remoting.Xhr({
-    method: 'GET',
-    url: this.getOAuth2ApiUserInfoEndpoint_(),
-    oauthToken: token
-  }).start().then(onResponse);
-};
-
-/** @returns {!remoting.Error} */
-function fromHttpStatus(/** number */ status) {
-  var error = remoting.Error.fromHttpStatus(status);
-  if (error === remoting.Error.unexpected()) {
-    // Return AUTHENTICATION_FAILED by default, so that the user can try to
-    // recover from an unexpected failure by signing in again.
-    return new remoting.Error(remoting.Error.Tag.AUTHENTICATION_FAILED);
-  }
-  return error;
-}
-
-/** @type {remoting.OAuth2Api} */
-remoting.oauth2Api = new remoting.OAuth2ApiImpl();
-
-})();