src/Form/Type/ReCaptchaType.php line 20

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  1. <?php
  3. namespace App\Form\Type;
  5. use App\Form\EventListener\ReCaptchaValidationListener;
  6. use ReCaptcha\ReCaptcha;
  7. use Symfony\Component\Form\AbstractType;
  8. use Symfony\Component\Form\FormBuilderInterface;
  9. use Symfony\Component\Form\FormInterface;
  10. use Symfony\Component\Form\FormView;
  11. use Symfony\Component\OptionsResolver\OptionsResolver;
  12. use Symfony\Contracts\Translation\TranslatorInterface;
  14. /**
  15.  * Class ReCaptchaType.
  16.  *
  17.  * @see https://medium.com/@qferrer/securing-your-symfony-forms-with-google-recaptcha-v2-dbfc902b0c50
  18.  *
  19.  */
  20. class ReCaptchaType extends AbstractType
  21. {
  22.     /**
  23.      * @var \ReCaptcha\ReCaptcha
  24.      */
  25.     private $reCaptcha;
  27.     /**
  28.      * @var \Symfony\Contracts\Translation\TranslatorInterface
  29.      */
  30.     protected $translator;
  32.     /**
  33.      * ReCaptchaType constructor.
  34.      *
  35.      * @param ReCaptcha $reCaptcha
  36.      */
  37.     public function __construct(ReCaptcha $reCaptcha, TranslatorInterface $translator)
  38.     {
  39.         $this->reCaptcha = $reCaptcha;
  40.         $this->translator = $translator;
  41.     }
  43.     /**
  44.      * @inheritDoc
  45.      */
  46.     public function buildForm(FormBuilderInterface $builder, array $options)
  47.     {
  48.       if($_ENV['USE_CAPTCHA']) {
  49.         $subscriber = new ReCaptchaValidationListener($this->reCaptcha, $this->translator);
  50.         $subscriber->setInvalidMessage($options['invalid_message']);
  51.         $builder->addEventSubscriber($subscriber);
  52.       }
  53.     }
  55.     /**
  56.      * @inheritDoc
  57.      */
  58.     public function buildView(FormView $view, FormInterface $form, array $options)
  59.     {
  60.         $view->vars['type'] = $options['type'];
  61.     }
  63.     /**
  64.      * @inheritDoc
  65.      */
  66.     public function configureOptions(OptionsResolver $resolver)
  67.     {
  68.         $resolver
  69.             ->setDefault('type', 'invisible')
  70.             ->setDefault('invalid_message', 'error.form.captcha_invalid')
  71.             ->setAllowedValues('type', ['checkbox', 'invisible']);
  72.     }
  73. }