public function CSRFAccessCheck::access in Zircon Profile 8

Same name in this branch

1. 8 core/lib/Drupal/Core/Access/CsrfAccessCheck.php \Drupal\Core\Access\CsrfAccessCheck::access()
2. 8 core/modules/rest/src/Access/CSRFAccessCheck.php \Drupal\rest\Access\CSRFAccessCheck::access()

Same name and namespace in other branches

1. 8.0 core/modules/rest/src/Access/CSRFAccessCheck.php \Drupal\rest\Access\CSRFAccessCheck::access()

Checks access.

Parameters

\Symfony\Component\HttpFoundation\Request $request: The request object.

\Drupal\Core\Session\AccountInterface $account: The currently logged in account.

Return value

\Drupal\Core\Access\AccessResultInterface The access result.

File

core/modules/rest/src/Access/CSRFAccessCheck.php, line 73

Contains \Drupal\rest\Access\CSRFAccessCheck.

Class

CSRFAccessCheck

Access protection against CSRF attacks.

Namespace

Drupal\rest\Access

Code

public function access(Request $request, AccountInterface $account) {
  $method = $request
    ->getMethod();

  // This check only applies if
  // 1. this is a write operation
  // 2. the user was successfully authenticated and
  // 3. the request comes with a session cookie.
  if (!in_array($method, array(
    'GET',
    'HEAD',
    'OPTIONS',
    'TRACE',
  )) && $account
    ->isAuthenticated() && $this->sessionConfiguration
    ->hasSession($request)) {
    $csrf_token = $request->headers
      ->get('X-CSRF-Token');
    if (!\Drupal::csrfToken()
      ->validate($csrf_token, 'rest')) {
      return AccessResult::forbidden()
        ->setCacheMaxAge(0);
    }
  }

  // Let other access checkers decide if the request is legit.
  return AccessResult::allowed()
    ->setCacheMaxAge(0);
}