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<?php |
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declare(strict_types=1); |
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/* |
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* (c) Christian Gripp <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Core23\AntiSpamBundle\Form\Extension; |
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use Core23\AntiSpamBundle\Form\EventListener\AntiSpamHoneypotListener; |
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use RuntimeException; |
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use Symfony\Component\Form\AbstractTypeExtension; |
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use Symfony\Component\Form\Extension\Core\Type\FormType; |
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use Symfony\Component\Form\Extension\Core\Type\TextType; |
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use Symfony\Component\Form\FormBuilderInterface; |
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use Symfony\Component\Form\FormFactoryInterface; |
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use Symfony\Component\Form\FormInterface; |
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use Symfony\Component\Form\FormView; |
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use Symfony\Component\OptionsResolver\OptionsResolver; |
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use Symfony\Component\Translation\TranslatorInterface; |
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final class HoneypotFormExtension extends AbstractTypeExtension |
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{ |
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/** |
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* @var TranslatorInterface |
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*/ |
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private $translator; |
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/** |
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* @var array<string, mixed> |
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*/ |
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private $defaults; |
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public function __construct(TranslatorInterface $translator, array $defaults) |
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{ |
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$this->translator = $translator; |
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$this->defaults = $defaults; |
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} |
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public function buildForm(FormBuilderInterface $builder, array $options): void |
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{ |
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if (!$options['antispam_honeypot']) { |
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return; |
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} |
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$builder |
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->setAttribute('antispam_honeypot_factory', $builder->getFormFactory()) |
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->addEventSubscriber(new AntiSpamHoneypotListener($this->translator, $options['antispam_honeypot_field'])) |
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; |
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} |
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public function finishView(FormView $view, FormInterface $form, array $options): void |
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{ |
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if ($view->parent || !$options['antispam_honeypot'] || !$options['compound']) { |
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return; |
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} |
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if ($form->has($options['antispam_honeypot_field'])) { |
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throw new RuntimeException(sprintf('Honeypot field "%s" is already used.', $options['antispam_honeypot_field'])); |
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} |
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$factory = $form->getConfig()->getAttribute('antispam_honeypot_factory'); |
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if (!$factory instanceof FormFactoryInterface) { |
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throw new RuntimeException('Invalid form factory to create a honeyput.'); |
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} |
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$formOptions = $this->createViewOptions($options); |
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$formView = $factory |
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->createNamed($options['antispam_honeypot_field'], TextType::class, null, $formOptions) |
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->createView($view) |
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; |
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$view->children[$options['antispam_honeypot_field']] = $formView; |
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} |
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public function configureOptions(OptionsResolver $resolver): void |
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{ |
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$resolver |
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->setDefaults([ |
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'antispam_honeypot' => $this->defaults['global'], |
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'antispam_honeypot_class' => $this->defaults['class'], |
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'antispam_honeypot_field' => $this->defaults['field'], |
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]) |
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->setAllowedTypes('antispam_honeypot', 'bool') |
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->setAllowedTypes('antispam_honeypot_class', ['string', 'null']) |
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->setAllowedTypes('antispam_honeypot_field', 'string') |
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; |
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} |
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public function getExtendedType() |
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{ |
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foreach (static::getExtendedTypes() as $extendedType) { |
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return $extendedType; |
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} |
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} |
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public static function getExtendedTypes(): iterable |
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{ |
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return [ |
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FormType::class, |
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]; |
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} |
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private function createViewOptions(array $options): array |
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{ |
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$formOptions = [ |
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'mapped' => false, |
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'label' => false, |
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'required' => false, |
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]; |
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if (!\array_key_exists('antispam_honeypot_class', $options) || null === $options['antispam_honeypot_class']) { |
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$formOptions['attr'] = [ |
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'style' => 'display:none', |
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]; |
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} else { |
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$formOptions['attr'] = [ |
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'class' => $options['antispam_honeypot_class'], |
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]; |
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} |
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return $formOptions; |
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} |
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} |
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core23 /
AntiSpamBundle
