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<?php |
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namespace Germania\GoogleRecaptcha; |
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use Psr\Log\LoggerInterface; |
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use Psr\Log\LoggerAwareInterface; |
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use Psr\Log\LoggerAwareTrait; |
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use Psr\Log\NullLogger; |
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use Psr\Http\Message\ServerRequestInterface as Request; |
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use Psr\Http\Message\ResponseInterface as Response; |
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class GoogleRecaptchaMiddleware implements LoggerAwareInterface |
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{ |
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use LoggerAwareTrait; |
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/** |
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* @var Callable |
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*/ |
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public $validator; |
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/** |
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* @var string |
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*/ |
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public $input_field; |
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/** |
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* @var string |
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*/ |
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public $client_ip; |
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/** |
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* @var string |
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*/ |
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public $request_attribute; |
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/** |
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* @var int |
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*/ |
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public $http_status_code; |
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/** |
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* @var null|bool |
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*/ |
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public $status; |
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public function __construct( callable $validator, $client_ip, $input_field, $request_attribute, $http_status_code, LoggerInterface $logger = null ) |
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{ |
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$this->validator = $validator; |
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$this->client_ip = $client_ip; |
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$this->input_field = $input_field; |
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$this->request_attribute = $request_attribute; |
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$this->http_status_code = $http_status_code; |
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$this->setLogger($logger ?: new NullLogger); |
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} |
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public function __invoke(Request $request, Response $response, $next) |
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{ |
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$post_data = $request->getParsedBody() ?: array(); |
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$recaptcha_validator = $this->validator; |
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if (empty($post_data[ $this->input_field ]) |
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or !$recaptcha_validator( $post_data[ $this->input_field ], $this->client_ip)): |
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$this->status = false; |
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$response = $response->withStatus( $this->http_status_code ); |
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else: |
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$this->status = true; |
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endif; |
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// Store result in Request |
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$request = $request->withAttribute( $this->request_attribute, [ |
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'failed' => !$this->status, |
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'success' => $this->status, |
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'status' => $this->status |
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]); |
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// Call $next middleware |
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return $next($request, $response); |
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} |
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} |
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GermaniaKG /
GoogleRecaptcha
