src/Form/EventListener/ReCaptchaValidationListener.php line 28

Open in your IDE?
  1. <?php
  3. namespace App\Form\EventListener;
  5. use ReCaptcha\ReCaptcha;
  6. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  7. use Symfony\Component\Form\FormError;
  8. use Symfony\Component\Form\FormEvent;
  9. use Symfony\Component\Form\FormEvents;
  10. use Symfony\Component\HttpFoundation\Request;
  12. class ReCaptchaValidationListener implements EventSubscriberInterface
  13. {
  14. private ReCaptcha $reCaptcha;
  16. public function __construct(ReCaptcha $reCaptcha)
  17. {
  18. $this->reCaptcha = $reCaptcha;
  19. }
  21. public static function getSubscribedEvents()
  22. {
  23. return [
  24. FormEvents::POST_SUBMIT => 'onPostSubmit'
  25. ];
  26. }
  28. public function onPostSubmit(FormEvent $event)
  29. {
  30. $request = Request::createFromGlobals();
  32. $result = $this->reCaptcha
  33. ->setExpectedHostname($request->getHost())
  34. ->verify($request->request->get('g-recaptcha-response'), $request->getClientIp());
  36. if (!$result->isSuccess()) {
  37. $event->getForm()->addError(new FormError('The captcha is invalid. Please try again.'));
  38. }
  39. }
  40. }