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msd2/phpBB3/phpbb/event/kernel_exception_subscriber.php

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+<?php
+/**
+*
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
+*
+*/
+
+namespace phpbb\event;
+
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\HttpFoundation\JsonResponse;
+use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+use Symfony\Component\HttpKernel\KernelEvents;
+use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent;
+use Symfony\Component\HttpFoundation\Response;
+
+class kernel_exception_subscriber implements EventSubscriberInterface
+{
+	/**
+	 * Set to true to show full exception messages
+	 *
+	 * @var bool
+	 */
+	protected $debug;
+
+	/**
+	* Template object
+	*
+	* @var \phpbb\template\template
+	*/
+	protected $template;
+
+	/**
+	* Language object
+	*
+	* @var \phpbb\language\language
+	*/
+	protected $language;
+
+	/** @var \phpbb\request\type_cast_helper */
+	protected $type_caster;
+
+	/**
+	* Construct method
+	*
+	* @param \phpbb\template\template	$template	Template object
+	* @param \phpbb\language\language	$language	Language object
+	* @param bool						$debug		Set to true to show full exception messages
+	*/
+	public function __construct(\phpbb\template\template $template, \phpbb\language\language $language, $debug = false)
+	{
+		$this->debug = $debug || defined('DEBUG');
+		$this->template = $template;
+		$this->language = $language;
+		$this->type_caster = new \phpbb\request\type_cast_helper();
+	}
+
+	/**
+	* This listener is run when the KernelEvents::EXCEPTION event is triggered
+	*
+	* @param GetResponseForExceptionEvent $event
+	* @return null
+	*/
+	public function on_kernel_exception(GetResponseForExceptionEvent $event)
+	{
+		$exception = $event->getException();
+
+		$message = $exception->getMessage();
+		$this->type_caster->set_var($message, $message, 'string', true, false);
+
+		if ($exception instanceof \phpbb\exception\exception_interface)
+		{
+			$message = $this->language->lang_array($message, $exception->get_parameters());
+		}
+		else if (!$this->debug && $exception instanceof NotFoundHttpException)
+		{
+			$message = $this->language->lang('PAGE_NOT_FOUND');
+		}
+
+		// Show <strong> text in bold
+		$message = preg_replace('#&lt;(/?strong)&gt;#i', '<$1>', $message);
+
+		if (!$event->getRequest()->isXmlHttpRequest())
+		{
+			page_header($this->language->lang('INFORMATION'));
+
+			$this->template->assign_vars(array(
+				'MESSAGE_TITLE' => $this->language->lang('INFORMATION'),
+				'MESSAGE_TEXT'  => $message,
+			));
+
+			$this->template->set_filenames(array(
+				'body' => 'message_body.html',
+			));
+
+			page_footer(true, false, false);
+
+			$response = new Response($this->template->assign_display('body'), 500);
+		}
+		else
+		{
+			$data = array();
+
+			if (!empty($message))
+			{
+				$data['message'] = $message;
+			}
+
+			if ($this->debug)
+			{
+				$data['trace'] = $exception->getTrace();
+			}
+
+			$response = new JsonResponse($data, 500);
+		}
+
+		if ($exception instanceof HttpExceptionInterface)
+		{
+			$response->setStatusCode($exception->getStatusCode());
+			$response->headers->add($exception->getHeaders());
+		}
+
+		$event->setResponse($response);
+	}
+
+	static public function getSubscribedEvents()
+	{
+		return array(
+			KernelEvents::EXCEPTION		=> 'on_kernel_exception',
+		);
+	}
+}