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<?php declare(strict_types=1); |
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namespace Karser\Recaptcha3Bundle\Validator\Constraints; |
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use Karser\Recaptcha3Bundle\Services\IpResolverInterface; |
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use ReCaptcha\ReCaptcha; |
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use Symfony\Component\Validator\Constraint; |
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use Symfony\Component\Validator\ConstraintValidator; |
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use Symfony\Component\Validator\Exception\UnexpectedTypeException; |
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final class Recaptcha3Validator extends ConstraintValidator |
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{ |
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/** @var ReCaptcha */ |
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private $recaptcha; |
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/** @var bool */ |
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private $enabled; |
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/** @var IpResolverInterface */ |
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private $ipResolver; |
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public function __construct($recaptcha, bool $enabled, IpResolverInterface $ipResolver) |
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{ |
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$this->recaptcha = $recaptcha; |
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$this->enabled = $enabled; |
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$this->ipResolver = $ipResolver; |
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} |
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public function validate($value, Constraint $constraint): void |
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{ |
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if ($value !== null && !is_scalar($value) && !(\is_object($value) && method_exists($value, '__toString'))) { |
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throw new UnexpectedTypeException($value, 'string'); |
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} |
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if (!$constraint instanceof Recaptcha3) { |
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throw new UnexpectedTypeException($constraint, Recaptcha3::class); |
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} |
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if (!$this->enabled) { |
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return; |
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} |
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$value = null !== $value ? (string) $value : ''; |
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if (!$this->validateCaptcha($value)) { |
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$this->context->buildViolation($constraint->message) |
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->setParameter('{{ value }}', $this->formatValue($value)) |
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->setCode(Recaptcha3::INVALID_FORMAT_ERROR) |
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->addViolation(); |
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} |
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} |
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private function validateCaptcha(string $value): bool |
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{ |
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if ($value === '') { |
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return false; |
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} |
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$ip = $this->ipResolver->resolveIp(); |
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$response = $this->recaptcha->verify($value, $ip); |
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return $response->isSuccess(); |
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} |
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} |
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karser /
KarserRecaptcha3Bundle
