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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* 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 <p@tchwork.com>
*/
class SerializerErrorRenderer implements ErrorRendererInterface
{
private $serializer;
private $format;
private $fallbackErrorRenderer;
private $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, $format, ErrorRendererInterface $fallbackErrorRenderer = null, $debug = false)
{
if (!\is_string($format) && !\is_callable($format)) {
throw new \TypeError(sprintf('Argument 2 passed to "%s()" must be a string or a callable, "%s" given.', __METHOD__, \is_object($format) ? \get_class($format) : \gettype($format)));
}
if (!\is_bool($debug) && !\is_callable($debug)) {
throw new \TypeError(sprintf('Argument 4 passed to "%s()" must be a boolean or a callable, "%s" given.', __METHOD__, \is_object($debug) ? \get_class($debug) : \gettype($debug)));
}
$this->serializer = $serializer;
$this->format = $format;
$this->fallbackErrorRenderer = $fallbackErrorRenderer ?? new HtmlErrorRenderer();
$this->debug = $debug;
}
/**
* {@inheritdoc}
*/
public function render(\Throwable $exception): FlattenException
{
$flattenException = FlattenException::createFromThrowable($exception);
try {
$format = \is_string($this->format) ? $this->format : ($this->format)($flattenException);
$headers = [
'Content-Type' => Request::getMimeTypes($format)[0] ?? $format,
'Vary' => 'Accept',
];
return $flattenException->setAsString($this->serializer->serialize($flattenException, $format, [
'exception' => $exception,
'debug' => \is_bool($this->debug) ? $this->debug : ($this->debug)($exception),
]))
->setHeaders($flattenException->getHeaders() + $headers);
} catch (NotEncodableValueException $e) {
return $this->fallbackErrorRenderer->render($exception);
}
}
public static function getPreferredFormat(RequestStack $requestStack): \Closure
{
return static function () use ($requestStack) {
if (!$request = $requestStack->getCurrentRequest()) {
throw new NotEncodableValueException();
}
return $request->getPreferredFormat();
};
}
}