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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\Bridge\Twig\ErrorRenderer;
- use Symfony\Component\ErrorHandler\ErrorRenderer\ErrorRendererInterface;
- use Symfony\Component\ErrorHandler\ErrorRenderer\HtmlErrorRenderer;
- use Symfony\Component\ErrorHandler\Exception\FlattenException;
- use Symfony\Component\HttpFoundation\RequestStack;
- use Twig\Environment;
- /**
- * Provides the ability to render custom Twig-based HTML error pages
- * in non-debug mode, otherwise falls back to HtmlErrorRenderer.
- *
- * @author Yonel Ceruto <yonelceruto@gmail.com>
- */
- class TwigErrorRenderer implements ErrorRendererInterface
- {
- private $twig;
- private $fallbackErrorRenderer;
- private $debug;
- /**
- * @param bool|callable $debug The debugging mode as a boolean or a callable that should return it
- */
- public function __construct(Environment $twig, HtmlErrorRenderer $fallbackErrorRenderer = null, $debug = false)
- {
- if (!\is_bool($debug) && !\is_callable($debug)) {
- throw new \TypeError(sprintf('Argument 3 passed to "%s()" must be a boolean or a callable, "%s" given.', __METHOD__, get_debug_type($debug)));
- }
- $this->twig = $twig;
- $this->fallbackErrorRenderer = $fallbackErrorRenderer ?? new HtmlErrorRenderer();
- $this->debug = $debug;
- }
- /**
- * {@inheritdoc}
- */
- public function render(\Throwable $exception): FlattenException
- {
- $exception = $this->fallbackErrorRenderer->render($exception);
- $debug = \is_bool($this->debug) ? $this->debug : ($this->debug)($exception);
- if ($debug || !$template = $this->findTemplate($exception->getStatusCode())) {
- return $exception;
- }
- return $exception->setAsString($this->twig->render($template, [
- 'exception' => $exception,
- 'status_code' => $exception->getStatusCode(),
- 'status_text' => $exception->getStatusText(),
- ]));
- }
- public static function isDebug(RequestStack $requestStack, bool $debug): \Closure
- {
- return static function () use ($requestStack, $debug): bool {
- if (!$request = $requestStack->getCurrentRequest()) {
- return $debug;
- }
- return $debug && $request->attributes->getBoolean('showException', true);
- };
- }
- private function findTemplate(int $statusCode): ?string
- {
- $template = sprintf('@Twig/Exception/error%s.html.twig', $statusCode);
- if ($this->twig->getLoader()->exists($template)) {
- return $template;
- }
- $template = '@Twig/Exception/error.html.twig';
- if ($this->twig->getLoader()->exists($template)) {
- return $template;
- }
- return null;
- }
- }
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