9.5/_typo_script_frontend_initialization_8php_source.html

<?php

declare(strict_types = 1);

namespace ‪TYPO3\CMS\Frontend\Middleware;


/*

 * This file is part of the TYPO3 CMS project.

 *

 * It is free software; you can redistribute it and/or modify it under

 * the terms of the GNU General Public License, either version 2

 * of the License, or any later version.

 *

 * For the full copyright and license information, please read the

 * LICENSE.txt file that was distributed with this source code.

 *

 * The TYPO3 project - inspiring people to share!

 */


use Doctrine\DBAL\Exception\ConnectionException;

use Psr\Http\Message\ResponseInterface;

use Psr\Http\Message\ServerRequestInterface;

use Psr\Http\Server\MiddlewareInterface;

use Psr\Http\Server\RequestHandlerInterface;

use Psr\Log\LoggerAwareInterface;

use Psr\Log\LoggerAwareTrait;

use ‪TYPO3\CMS\Core\Database\ConnectionPool;

use ‪TYPO3\CMS\Core\Error\Http\ServiceUnavailableException;

use ‪TYPO3\CMS\Core\Utility\GeneralUtility;

use ‪TYPO3\CMS\Frontend\Controller\ErrorController;

use ‪TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController;


class ‪TypoScriptFrontendInitialization implements MiddlewareInterface, LoggerAwareInterface

{

    use LoggerAwareTrait;


    public function ‪process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface

    {

        ‪$GLOBALS['TSFE'] = GeneralUtility::makeInstance(

            TypoScriptFrontendController::class,

            null,

            GeneralUtility::_GP('id'),

            GeneralUtility::_GP('type'),

            null,

            GeneralUtility::_GP('cHash'),

            null,

            GeneralUtility::_GP('MP')

        );

        if (GeneralUtility::_GP('no_cache')) {

            ‪$GLOBALS['TSFE']->set_no_cache('&no_cache=1 has been supplied, so caching is disabled! URL: "' . (string)$request->getUri() . '"');

        }


        // Set up the database connection and see if the connection can be established

        try {

            $connection = GeneralUtility::makeInstance(ConnectionPool::class)->getConnectionForTable('pages');

            $connection->connect();

        } catch (ConnectionException | \RuntimeException $exception) {

            $message = 'Cannot connect to the configured database';

            $this->logger->emergency($message, ['exception' => $exception]);

            try {

                return GeneralUtility::makeInstance(ErrorController::class)->unavailableAction($request, $message);

            } catch (‪ServiceUnavailableException $e) {

                throw new ‪ServiceUnavailableException($message, 1526013723);

            }

        }

        // Call post processing function for DB connection:

        if (!empty(‪$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['tslib/class.tslib_fe.php']['connectToDB'])) {

            trigger_error('The "connectToDB" hook will be removed in TYPO3 v10.0 in favor of PSR-15. Use a middleware instead.', E_USER_DEPRECATED);

            $_params = ['pObj' => &‪$GLOBALS['TSFE']];

            foreach (‪$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['tslib/class.tslib_fe.php']['connectToDB'] as $_funcRef) {

                GeneralUtility::callUserFunction($_funcRef, $_params, ‪$GLOBALS['TSFE']);

            }

        }


        return $handler->handle($request);

    }

}