all files / lighthouse-core/driver/gatherers/ http-redirect.js

100% Statements 21/21
75% Branches 3/4
100% Functions 3/3
100% Lines 21/21
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/**
 * @license
 * Copyright 2016 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.
 */
'use strict';
 
const Gather = require('./gather');
 
class HTTPRedirect extends Gather {
 
  constructor() {
    super();
    this._noSecurityChangesTimeout = undefined;
    this._preRedirectURL = undefined;
  }
 
  beforePass(options) {
    this._preRedirectURL = options.url;
    options.url = this._preRedirectURL.replace(/^https/, 'http');
  }
 
  afterPass(options) {
    const driver = options.driver;
    const timeout = options.timeout || 10000;
 
    // Reset the options.
    options.url = this._preRedirectURL;
 
    return new Promise((resolve, reject) => {
      // Set up a timeout for ten seconds in case we don't get any
      // security events at all. If that happens, bail.
      this._noSecurityChangesTimeout = setTimeout(_ => {
        this.artifact = {
          value: false,
          debugString: 'Timed out waiting for HTTP redirection.'
        };
 
        resolve();
      }, timeout);
 
      driver.getSecurityState()
        .then(state => {
          // We've received a security event, so this needs
          // to be canceled, otherwise we resolve the promise with an error.
          Eif (this._noSecurityChangesTimeout !== undefined) {
            clearTimeout(this._noSecurityChangesTimeout);
          }
 
          this.artifact = {
            value: state.schemeIsCryptographic
          };
 
          resolve();
        }, _ => {
          this.artifact = {
            value: false,
            debugString: 'Error requesting security state'
          };
 
          reject();
        });
    });
  }
}
 
module.exports = HTTPRedirect;