93 lines
3.8 KiB
PHP
93 lines
3.8 KiB
PHP
<?php
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declare(strict_types = 1);
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namespace TYPO3\CMS\Frontend\Middleware;
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/*
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* This file is part of the TYPO3 CMS project.
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*
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* It is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, either version 2
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* of the License, or any later version.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*
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* The TYPO3 project - inspiring people to share!
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*/
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use Doctrine\DBAL\Exception\ConnectionException;
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use Psr\Http\Message\ResponseInterface;
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use Psr\Http\Message\ServerRequestInterface;
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use Psr\Http\Server\MiddlewareInterface;
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use Psr\Http\Server\RequestHandlerInterface;
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use Psr\Log\LoggerAwareInterface;
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use Psr\Log\LoggerAwareTrait;
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use TYPO3\CMS\Core\Database\ConnectionPool;
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use TYPO3\CMS\Core\Error\Http\ServiceUnavailableException;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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use TYPO3\CMS\Frontend\Controller\ErrorController;
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use TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController;
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/**
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* Creates an instance of TypoScriptFrontendController and makes this globally available
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* via $GLOBALS['TSFE'].
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*
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* For now, GeneralUtility::_GP() is used in favor of $request->getQueryParams() due to
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* hooks who could have $_GET/$_POST modified before.
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*
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* @internal this middleware might get removed in TYPO3 v10.0.
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*/
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class TypoScriptFrontendInitialization implements MiddlewareInterface, LoggerAwareInterface
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{
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use LoggerAwareTrait;
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/**
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* Creates an instance of TSFE and sets it as a global variable,
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* also pings the database in order ensure a valid database connection.
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*
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* @param ServerRequestInterface $request
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* @param RequestHandlerInterface $handler
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* @return ResponseInterface
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*/
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
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{
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$GLOBALS['TSFE'] = GeneralUtility::makeInstance(
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TypoScriptFrontendController::class,
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null,
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GeneralUtility::_GP('id'),
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GeneralUtility::_GP('type'),
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null,
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GeneralUtility::_GP('cHash'),
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null,
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GeneralUtility::_GP('MP')
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);
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if (GeneralUtility::_GP('no_cache')) {
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$GLOBALS['TSFE']->set_no_cache('&no_cache=1 has been supplied, so caching is disabled! URL: "' . (string)$request->getUri() . '"');
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}
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// Set up the database connection and see if the connection can be established
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try {
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$connection = GeneralUtility::makeInstance(ConnectionPool::class)->getConnectionForTable('pages');
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$connection->connect();
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} catch (ConnectionException | \RuntimeException $exception) {
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$message = 'Cannot connect to the configured database';
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$this->logger->emergency($message, ['exception' => $exception]);
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try {
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return GeneralUtility::makeInstance(ErrorController::class)->unavailableAction($request, $message);
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} catch (ServiceUnavailableException $e) {
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throw new ServiceUnavailableException($message, 1526013723);
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}
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}
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// Call post processing function for DB connection:
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if (!empty($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['tslib/class.tslib_fe.php']['connectToDB'])) {
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trigger_error('The "connectToDB" hook will be removed in TYPO3 v10.0 in favor of PSR-15. Use a middleware instead.', E_USER_DEPRECATED);
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$_params = ['pObj' => &$GLOBALS['TSFE']];
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foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['tslib/class.tslib_fe.php']['connectToDB'] as $_funcRef) {
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GeneralUtility::callUserFunction($_funcRef, $_params, $GLOBALS['TSFE']);
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}
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}
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return $handler->handle($request);
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}
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}
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