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<?php |
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/* |
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* This file is part of the FOSRestBundle package. |
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* |
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* (c) FriendsOfSymfony <http://friendsofsymfony.github.com/> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace FOS\RestBundle\Controller; |
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use FOS\RestBundle\Util\ExceptionValueMap; |
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use FOS\RestBundle\View\View; |
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use FOS\RestBundle\View\ViewHandlerInterface; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\Response; |
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use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface; |
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/** |
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* Custom ExceptionController that uses the view layer and supports HTTP response status code mapping. |
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*/ |
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final class ExceptionController |
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{ |
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private $viewHandler; |
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private $exceptionCodes; |
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private $showException; |
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public function __construct( |
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ViewHandlerInterface $viewHandler, |
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ExceptionValueMap $exceptionCodes, |
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bool $showException |
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) { |
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$this->viewHandler = $viewHandler; |
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$this->exceptionCodes = $exceptionCodes; |
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$this->showException = $showException; |
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} |
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public function showAction(Request $request, \Throwable $exception): Response |
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{ |
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$this->getAndCleanOutputBuffering($request->headers->get('X-Php-Ob-Level', -1)); |
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$view = new View($exception, $this->getStatusCode($exception), $exception instanceof HttpExceptionInterface ? $exception->getHeaders() : []); |
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$response = $this->viewHandler->handle($view); |
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return $response; |
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} |
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/** |
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* Gets and cleans any content that was already outputted. |
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* |
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* This code comes from Symfony and should be synchronized on a regular basis |
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* see src/Symfony/Bundle/TwigBundle/Controller/ExceptionController.php |
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*/ |
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private function getAndCleanOutputBuffering($startObLevel): string |
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{ |
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if (ob_get_level() <= $startObLevel) { |
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return ''; |
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} |
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Response::closeOutputBuffers($startObLevel + 1, true); |
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return ob_get_clean(); |
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} |
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private function getStatusCode(\Throwable $exception): int |
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{ |
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// If matched |
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if (null !== $statusCode = $this->exceptionCodes->resolveException($exception)) { |
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return $statusCode; |
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} |
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// Otherwise, default |
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if ($exception instanceof HttpExceptionInterface) { |
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return $exception->getStatusCode(); |
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} |
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return 500; |
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} |
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} |
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FriendsOfSymfony /
FOSRestBundle
