CsrfTokenRaceTest.php in Drupal 9

Namespace

Drupal\FunctionalJavascriptTests\Core

File

core/tests/Drupal/FunctionalJavascriptTests/Core/CsrfTokenRaceTest.php

<?php

namespace Drupal\FunctionalJavascriptTests\Core;

use Drupal\FunctionalJavascriptTests\WebDriverTestBase;

/**
 * Test race condition for CSRF tokens for simultaneous requests.
 *
 * @group Session
 */
class CsrfTokenRaceTest extends WebDriverTestBase {

  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'csrf_race_test',
  ];

  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';

  /**
   * Tests race condition for CSRF tokens for simultaneous requests.
   */
  public function testCsrfRace() {
    $user = $this
      ->createUser([
      'access content',
    ]);
    $this
      ->drupalLogin($user);
    $this
      ->drupalGet('/csrf_race/test');
    $script = '';

    // Delay the request processing of the first request by one second through
    // the request parameter, which will simulate the concurrent processing
    // of both requests.
    foreach ([
      1,
      0,
    ] as $i) {
      $script .= <<<EOT
      jQuery.ajax({
        url: "{<span class="php-variable">$this</span>-&gt;<span class="php-function-or-constant property member-of-self">baseUrl</span>}/csrf_race/get_csrf_token/{<span class="php-variable">$i</span>}",
        method: "GET",
        headers: {
          "Content-Type": "application/json"
        },
        success: function(response) {
          jQuery('body').append("<p class='csrf{<span class="php-variable">$i</span>}'></p>");
          jQuery('.csrf{<span class="php-variable">$i</span>}').html(response);
        },
        error: function() {
          jQuery('body').append('Nothing');
        }
      });
EOT;
    }
    $this
      ->getSession()
      ->getDriver()
      ->executeScript($script);
    $token0 = $this
      ->assertSession()
      ->waitForElement('css', '.csrf0')
      ->getHtml();
    $token1 = $this
      ->assertSession()
      ->waitForElement('css', '.csrf1')
      ->getHtml();
    $this
      ->assertNotNull($token0);
    $this
      ->assertNotNull($token1);
    $this
      ->assertEquals($token0, $token1);
  }

}

Classes

Name	Description
CsrfTokenRaceTest	Test race condition for CSRF tokens for simultaneous requests.