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| 1 | <?php |
| 2 | /** @noinspection PhpUnhandledExceptionInspection */ |
| 3 | declare(strict_types=1); |
| 4 | // TODO unit test |
| 5 | |
| 6 | use Psr\Http\Server\RequestHandlerInterface as RequestHandler; |
| 7 | use Slim\Http\ServerRequest as Request; |
| 8 | |
| 9 | class HandleOptionalToken { |
| 10 | protected array $requiredTypes = []; |
| 11 | |
| 12 | public function __construct(string ...$requiredTypes) { |
| 13 | $this->requiredTypes = $requiredTypes; |
| 14 | } |
| 15 | |
| 16 | function __invoke(Request $request, RequestHandler $handler) { |
| 17 | $tokenString = $this->getOptionalTokenFromHeader($request); |
| 18 | |
| 19 | if (is_null($tokenString)) { |
| 20 | return $handler->handle($request); |
| 21 | } |
| 22 | |
| 23 | $sessionDAO = new SessionDAO(); |
| 24 | $token = $sessionDAO->getToken($tokenString, $this->requiredTypes); |
| 25 | $request = $request->withAttribute('AuthToken', $token); |
| 26 | return $handler->handle($request); |
| 27 | } |
| 28 | |
| 29 | private function getOptionalTokenFromHeader(Request $request): ?string { |
| 30 | if (!$request->hasHeader('AuthToken')) { |
| 31 | return null; |
| 32 | } |
| 33 | |
| 34 | $authToken = $request->getHeaderLine('AuthToken'); |
| 35 | |
| 36 | if (!$authToken) { |
| 37 | return null; |
| 38 | } |
| 39 | |
| 40 | return $authToken; |
| 41 | } |
| 42 | } |