public function ExternalFormUrlTest::testActionUrlBehavior in Drupal 9

Same name and namespace in other branches

1. 8 core/tests/Drupal/KernelTests/Core/Form/ExternalFormUrlTest.php \Drupal\KernelTests\Core\Form\ExternalFormUrlTest::testActionUrlBehavior()

Tests form behavior.

File

core/tests/Drupal/KernelTests/Core/Form/ExternalFormUrlTest.php, line 70

Class

ExternalFormUrlTest

Ensures that form actions can't be tricked into sending to external URLs.

Namespace

Drupal\KernelTests\Core\Form

Code

public function testActionUrlBehavior() {

  // Create a new request which has a request uri with multiple leading
  // slashes and make it the master request.
  $request_stack = \Drupal::service('request_stack');

  /** @var \Symfony\Component\HttpFoundation\RequestStack $original_request */
  $original_request = $request_stack
    ->pop();

  // Just request some more so there is no request left.
  $request_stack
    ->pop();
  $request_stack
    ->pop();
  $request = Request::create($original_request
    ->getSchemeAndHttpHost() . '//example.org');
  $request_stack
    ->push($request);
  $form = \Drupal::formBuilder()
    ->getForm($this);
  $markup = \Drupal::service('renderer')
    ->renderRoot($form);
  $this
    ->setRawContent($markup);
  $elements = $this
    ->xpath('//form/@action');
  $action = (string) $elements[0];
  $this
    ->assertEquals($original_request
    ->getSchemeAndHttpHost() . '//example.org', $action);

  // Create a new request which has a request uri with a single leading slash
  // and make it the master request.
  $request_stack = \Drupal::service('request_stack');
  $original_request = $request_stack
    ->pop();
  $request = Request::create($original_request
    ->getSchemeAndHttpHost() . '/example.org');
  $request_stack
    ->push($request);
  $form = \Drupal::formBuilder()
    ->getForm($this);
  $markup = \Drupal::service('renderer')
    ->renderRoot($form);
  $this
    ->setRawContent($markup);
  $elements = $this
    ->xpath('//form/@action');
  $action = (string) $elements[0];
  $this
    ->assertEquals('/example.org', $action);
}