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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 $ipResolver; |
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public function __construct($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) $value : ''; |
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$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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$errorCodes = implode('; ', array_map([$this, 'getErrorMessage'], $response->getErrorCodes())); |
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$this->buildViolation($constraint->message, $value, $errorCodes); |
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} |
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} |
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private function getErrorMessage(string $errorCode): string |
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{ |
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$messages = [ |
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'missing-input-secret' => 'The secret parameter is missing', |
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'invalid-input-secret' => 'The secret parameter is invalid or malformed', |
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'missing-input-response' => 'The response parameter is missing', |
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'invalid-input-response' => 'The response parameter is invalid or malformed', |
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'bad-request' => 'The request is invalid or malformed', |
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'timeout-or-duplicate' => 'The response is no longer valid: either is too old or has been used previously', |
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'challenge-timeout' => 'Challenge timeout', |
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'score-threshold-not-met' => 'Score threshold not met', |
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'bad-response' => 'Did not receive a 200 from the service', |
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'connection-failed' => 'Could not connect to service', |
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'invalid-json' => 'Invalid JSON received', |
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'unknown-error' => 'Not a success, but no error codes received', |
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'hostname-mismatch' => 'Expected hostname did not match', |
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'apk_package_name-mismatch' => 'Expected APK package name did not match', |
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'action-mismatch' => 'Expected action did not match', |
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]; |
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return $messages[$errorCode] ?? $errorCode; |
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} |
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private function buildViolation(string $message, string $value, string $errorCodes = ''): void |
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{ |
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$this->context->buildViolation($message) |
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->setParameter('{{ value }}', $this->formatValue($value)) |
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->setParameter('{{ errorCodes }}', $this->formatValue($errorCodes)) |
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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
