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<?php |
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namespace Realshadow\RequestDeserializer\Http\Middleware; |
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use Dingo\Api\Http\Request; |
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use Realshadow\RequestDeserializer\Contracts\RequestInterface; |
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use Realshadow\RequestDeserializer\Http\Request\RequestHandler; |
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use Closure; |
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/** |
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* Class RequestDeserializationMiddleware |
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* |
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* @package Realshadow\RequestDeserializer\Http\Middleware |
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* @author Lukáš Homza <[email protected]> |
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*/ |
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class RequestDeserializationMiddleware |
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{ |
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/** |
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* Request handler for deserialization of incoming requests |
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* |
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* @var RequestHandler $requestHandler |
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*/ |
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private $requestHandler; |
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/** |
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* Request entity class |
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* |
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* @var null|string $requestEntity |
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*/ |
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private $requestEntity; |
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/** |
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* Argument position in controllers arguments |
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* |
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* @var int $argumentPosition |
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*/ |
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private $argumentPosition = 0; |
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/** |
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* Determine matched controller and action from request |
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* |
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* @param Request|\Illuminate\Http\Request $request |
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* |
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* @return array |
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*/ |
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private function parseMatchedRoute(Request $request) |
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{ |
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$action = $request->route()->getAction()['uses']; |
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return explode('@', $action instanceof \Closure ? '@' : $action); |
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} |
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/** |
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* @param Request|\Illuminate\Http\Request $request |
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* |
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* @return bool |
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* @throws \ReflectionException |
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*/ |
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private function shouldValidate(Request $request) |
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{ |
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$shouldValidate = false; |
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list($controller, $action) = $this->parseMatchedRoute($request); |
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if ($controller && $action) { |
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$reflection = new \ReflectionMethod($controller, $action); |
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foreach ($reflection->getParameters() AS $position => $param) { |
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if ($param->getClass() === null) { |
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continue; |
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} |
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# -- requests have to implement RequestInterface |
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if (in_array(RequestInterface::class, $param->getClass()->getInterfaceNames(), true)) { |
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if ($param->getClass()->isInterface()) { |
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$this->requestEntity = get_class( |
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app($param->getClass()->getName()) |
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); |
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} else { |
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$this->requestEntity = $param->getClass()->getName(); |
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} |
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$this->argumentPosition = $position; |
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$shouldValidate = true; |
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break; |
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} |
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} |
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} |
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return $shouldValidate; |
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} |
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/** |
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* RequestDeserializationMiddleware constructor. |
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* |
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* @param RequestHandler $requestHandler |
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*/ |
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public function __construct(RequestHandler $requestHandler) |
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{ |
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$this->requestHandler = $requestHandler; |
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} |
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/** |
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* Handle an incoming request. |
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* |
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* @param \Illuminate\Http\Request $request |
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* @param \Closure $next |
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* |
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* @return mixed |
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* @throws \ReflectionException |
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* |
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* @throws \LogicException |
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* @throws \Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException |
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* @throws \Symfony\Component\HttpKernel\Exception\UnsupportedMediaTypeHttpException |
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*/ |
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public function handle($request, Closure $next) |
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{ |
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if ( ! $this->shouldValidate($request)) { |
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return $next($request); |
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} |
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$this->requestHandler->setArgumentPosition($this->argumentPosition); |
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if ($request->method() === Request::METHOD_GET) { |
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$this->requestHandler->hydrate($this->requestEntity, $request->query->all()); |
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} else { |
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$this->requestHandler->deserialize($this->requestEntity, $request->getContent()); |
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} |
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return $next($request); |
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} |
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} |
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realshadow /
request-deserializer
Loading history...
This check looks for parameters that are defined as one type in their type hint or doc comment but seem to be used as a narrower type, i.e an implementation of an interface or a subclass.
Consider changing the type of the parameter or doing an instanceof check before assuming your parameter is of the expected type.