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typo3/sysext/adminpanel/Classes/Middleware/SqlLogging.php

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+<?php
+declare(strict_types = 1);
+
+namespace TYPO3\CMS\Adminpanel\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 Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\MiddlewareInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+use TYPO3\CMS\Adminpanel\Log\DoctrineSqlLogger;
+use TYPO3\CMS\Adminpanel\Utility\StateUtility;
+use TYPO3\CMS\Core\Database\ConnectionPool;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+
+/**
+ * Enable sql logging for the admin panel
+ *
+ * @internal
+ */
+class SqlLogging implements MiddlewareInterface
+{
+
+    /**
+     * Enable SQL Logging as early as possible to catch all queries if the admin panel is active
+     * @param ServerRequestInterface $request
+     * @param RequestHandlerInterface $handler
+     * @return ResponseInterface
+     */
+    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
+    {
+        if (StateUtility::isActivatedForUser() && StateUtility::isOpen()) {
+            $connectionPool = GeneralUtility::makeInstance(ConnectionPool::class);
+            $connection = $connectionPool->getConnectionByName(ConnectionPool::DEFAULT_CONNECTION_NAME);
+            $connection->getConfiguration()->setSQLLogger(GeneralUtility::makeInstance(DoctrineSqlLogger::class));
+        }
+        return $handler->handle($request);
+    }
+}