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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace BO\Zmscitizenapi\Middleware; |
| 6 | |
| 7 | use BO\Zmscitizenapi\Localization\ErrorMessages; |
| 8 | use BO\Zmscitizenapi\Services\Core\LoggerService; |
| 9 | use Psr\Http\Message\ResponseInterface; |
| 10 | use Psr\Http\Message\ServerRequestInterface; |
| 11 | use Psr\Http\Server\MiddlewareInterface; |
| 12 | use Psr\Http\Server\RequestHandlerInterface; |
| 13 | |
| 14 | class CorsMiddleware implements MiddlewareInterface |
| 15 | { |
| 16 | private const ERROR_CORS = 'corsOriginNotAllowed'; |
| 17 | private array $whitelist = []; |
| 18 | private LoggerService $logger; |
| 19 | public function __construct(LoggerService $logger) |
| 20 | { |
| 21 | $this->logger = $logger; |
| 22 | $this->whitelist = \App::getCorsAllowedOrigins(); |
| 23 | } |
| 24 | |
| 25 | public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
| 26 | { |
| 27 | try { |
| 28 | $origin = $request->getHeaderLine('Origin'); |
| 29 | // Allow requests without Origin header (direct browser access) |
| 30 | if (empty($origin)) { |
| 31 | /*$this->logger->logInfo('Direct browser request - no Origin header', [ |
| 32 | 'uri' => (string)$request->getUri(), |
| 33 | 'headers' => $request->getHeaders() |
| 34 | ]);*/ |
| 35 | return $handler->handle($request); |
| 36 | } |
| 37 | |
| 38 | if (!$this->isOriginAllowed($origin)) { |
| 39 | $this->logger->logInfo(sprintf('CORS blocked - Origin %s not allowed. URI: %s', $origin, $request->getUri())); |
| 40 | $response = \App::$slim->getResponseFactory()->createResponse(); |
| 41 | $language = $request->getAttribute('language'); |
| 42 | $response = $response->withStatus(ErrorMessages::get(self::ERROR_CORS, $language)['statusCode']) |
| 43 | ->withHeader('Content-Type', 'application/json'); |
| 44 | $response->getBody()->write(json_encode([ |
| 45 | 'errors' => [ErrorMessages::get(self::ERROR_CORS, $language)] |
| 46 | ])); |
| 47 | return $response; |
| 48 | } |
| 49 | |
| 50 | // Handle preflight OPTIONS requests |
| 51 | if ($request->getMethod() === 'OPTIONS') { |
| 52 | $response = \App::$slim->getResponseFactory()->createResponse(200); |
| 53 | return $response |
| 54 | ->withHeader('Access-Control-Allow-Origin', $origin) |
| 55 | ->withHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS') |
| 56 | ->withHeader('Access-Control-Allow-Headers', 'Content-Type, Authorization, X-CSRF-Token') |
| 57 | ->withHeader('Access-Control-Allow-Credentials', 'true') |
| 58 | ->withHeader('Access-Control-Max-Age', '86400'); |
| 59 | } |
| 60 | |
| 61 | $response = $handler->handle($request); |
| 62 | return $response |
| 63 | ->withHeader('Access-Control-Allow-Origin', $origin) |
| 64 | ->withHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS') |
| 65 | ->withHeader('Access-Control-Allow-Headers', 'Content-Type, Authorization, X-CSRF-Token') |
| 66 | ->withHeader('Access-Control-Allow-Credentials', 'true') |
| 67 | ->withHeader('Access-Control-Max-Age', '86400'); |
| 68 | } catch (\Throwable $e) { |
| 69 | $this->logger->logError($e, $request); |
| 70 | throw $e; |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | private function isOriginAllowed(string $origin): bool |
| 75 | { |
| 76 | return in_array($origin, $this->whitelist, true); |
| 77 | } |
| 78 | } |