foam-framework/js/foam/oauth2/OAuth2WebClient.js

MVC metaprogramming framework

/**
 * @license
 * Copyright 2015 Google Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

CLASS({
  name: 'OAuth2WebClient',
  package: 'foam.oauth2',
  help: 'Strategy for OAuth2 when running as a web page.',

  extends: 'foam.oauth2.OAuth2',

  methods: {
    refreshNow_: function(ret, opt_forceInteractive) {
      var self = this;
      var w;
      var cb = wrapJsonpCallback(function(code) {
        self.accessToken = code;
        try {
          ret(code);
        } finally {
          w && w.close();
        }
      }, true /* nonce */);

      var path = location.pathname;
      var returnPath = location.origin +
        location.pathname.substring(0, location.pathname.lastIndexOf('/')) + '/oauth2callback.html';

      var queryparams = [
        '?response_type=token',
        'client_id=' + encodeURIComponent(this.clientId),
        'redirect_uri=' + encodeURIComponent(returnPath),
        'scope=' + encodeURIComponent(this.scopes.join(' ')),
        'state=' + cb.id,
        'approval_prompt=' + (opt_forceInteractive ? 'force' : 'auto')
      ];

      w = window.open(this.endpoint + "auth" + queryparams.join('&'));
    }
  }
});