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