* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\ErrorHandler\ErrorRenderer; use Symfony\Component\ErrorHandler\Exception\FlattenException; use Symfony\Component\HttpFoundation\Request; use Symfony\Component\HttpFoundation\RequestStack; use Symfony\Component\Serializer\Exception\NotEncodableValueException; use Symfony\Component\Serializer\SerializerInterface; /** * Formats an exception using Serializer for rendering. * * @author Nicolas Grekas */ class SerializerErrorRenderer implements ErrorRendererInterface { private SerializerInterface $serializer; private string|\Closure $format; private ErrorRendererInterface $fallbackErrorRenderer; private bool|\Closure $debug; /** * @param string|callable(FlattenException) $format The format as a string or a callable that should return it * formats not supported by Request::getMimeTypes() should be given as mime types * @param bool|callable $debug The debugging mode as a boolean or a callable that should return it */ public function __construct(SerializerInterface $serializer, string|callable $format, ?ErrorRendererInterface $fallbackErrorRenderer = null, bool|callable $debug = false) { $this->serializer = $serializer; $this->format = \is_string($format) ? $format : $format(...); $this->fallbackErrorRenderer = $fallbackErrorRenderer ?? new HtmlErrorRenderer(); $this->debug = \is_bool($debug) ? $debug : $debug(...); } public function render(\Throwable $exception): FlattenException { $headers = ['Vary' => 'Accept']; $debug = \is_bool($this->debug) ? $this->debug : ($this->debug)($exception); if ($debug) { $headers['X-Debug-Exception'] = rawurlencode($exception->getMessage()); $headers['X-Debug-Exception-File'] = rawurlencode($exception->getFile()).':'.$exception->getLine(); } $flattenException = FlattenException::createFromThrowable($exception, null, $headers); try { $format = \is_string($this->format) ? $this->format : ($this->format)($flattenException); $headers['Content-Type'] = Request::getMimeTypes($format)[0] ?? $format; $flattenException->setAsString($this->serializer->serialize($flattenException, $format, [ 'exception' => $exception, 'debug' => $debug, ])); } catch (NotEncodableValueException) { $flattenException = $this->fallbackErrorRenderer->render($exception); } return $flattenException->setHeaders($flattenException->getHeaders() + $headers); } public static function getPreferredFormat(RequestStack $requestStack): \Closure { return static function () use ($requestStack) { if (!$request = $requestStack->getCurrentRequest()) { throw new NotEncodableValueException(); } return $request->getPreferredFormat(); }; } }