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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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private $enabled; |
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private $ipResolver; |
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private $revealErrorsFromResponse; |
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public function __construct($recaptcha, bool $enabled, IpResolverInterface $ipResolver, bool $revealErrorsFromResponse = false) |
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{ |
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$this->recaptcha = $recaptcha; |
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$this->enabled = $enabled; |
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$this->ipResolver = $ipResolver; |
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$this->revealErrorsFromResponse = $revealErrorsFromResponse; |
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} |
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public function validate($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) $value : ''; |
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$this->validateCaptcha($value, $constraint); |
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} |
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private function validateCaptcha(string $value, Recaptcha3 $constraint): void |
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{ |
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if ($value === '') { |
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$this->buildViolation($constraint->messageMissingValue, $value); |
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return; |
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} |
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$ip = $this->ipResolver->resolveIp(); |
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$response = $this->recaptcha->verify($value, $ip); |
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if (!$response->isSuccess()) { |
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if ($this->revealErrorsFromResponse && !empty($response->getErrorCodes())) { |
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foreach ($response->getErrorCodes() as $errorCode) { |
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$message = $this->getErrorMessage($errorCode, $constraint); |
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$this->buildViolation($message, $value); |
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} |
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} else { |
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$this->buildViolation($constraint->message, $value); |
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} |
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} |
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} |
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private function getErrorMessage(string $errorCode, Recaptcha3 $constraint): string |
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{ |
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switch ($errorCode) { |
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case 'missing-input-secret': |
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return $constraint->messageMissingInputSecret; |
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case 'invalid-input-secret': |
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return $constraint->messageInvalidInputSecret; |
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case ReCaptcha::E_MISSING_INPUT_RESPONSE: |
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return $constraint->messageMissingInputResponse; |
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case 'invalid-input-response': |
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return $constraint->messageInvalidInputResponse; |
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case 'bad-request': |
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return $constraint->messageBadRequest; |
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case 'timeout-or-duplicate': |
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return $constraint->messageTimeoutOrDuplicate; |
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case ReCaptcha::E_CHALLENGE_TIMEOUT: |
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return $constraint->messageChallengeTimeout; |
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case ReCaptcha::E_SCORE_THRESHOLD_NOT_MET: |
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return $constraint->messageScoreThresholdNotMet; |
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case ReCaptcha::E_BAD_RESPONSE: |
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return $constraint->messageBadResponse; |
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case ReCaptcha::E_CONNECTION_FAILED: |
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return $constraint->messageConnectionFailed; |
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case ReCaptcha::E_INVALID_JSON: |
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return $constraint->messageInvalidJson; |
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case ReCaptcha::E_UNKNOWN_ERROR: |
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return $constraint->messageUnknownError; |
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case ReCaptcha::E_HOSTNAME_MISMATCH: |
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return $constraint->messageHostnameMismatch; |
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case ReCaptcha::E_APK_PACKAGE_NAME_MISMATCH: |
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return $constraint->messageApkPackageMismatch; |
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case ReCaptcha::E_ACTION_MISMATCH: |
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return $constraint->messageActionMismatch; |
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default: |
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return sprintf($constraint->messageNotImplementedErrorCode, $errorCode); |
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} |
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} |
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private function buildViolation(string $message, string $value): void |
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{ |
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$this->context->buildViolation($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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karser /
KarserRecaptcha3Bundle
