first commit

typo3/sysext/adminpanel/Classes/Modules/CacheModule.php

@@ -0,0 +1,124 @@
+<?php
+declare(strict_types = 1);
+
+namespace TYPO3\CMS\Adminpanel\Modules;
+
+/*
+ * 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\ServerRequestInterface;
+use TYPO3\CMS\Adminpanel\ModuleApi\AbstractModule;
+use TYPO3\CMS\Adminpanel\ModuleApi\InitializableInterface;
+use TYPO3\CMS\Adminpanel\ModuleApi\PageSettingsProviderInterface;
+use TYPO3\CMS\Adminpanel\ModuleApi\ResourceProviderInterface;
+use TYPO3\CMS\Backend\Routing\UriBuilder;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Fluid\View\StandaloneView;
+use TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController;
+
+class CacheModule extends AbstractModule implements PageSettingsProviderInterface, InitializableInterface, ResourceProviderInterface
+{
+    /**
+     * @return string
+     */
+    public function getIconIdentifier(): string
+    {
+        return 'apps-toolbar-menu-cache';
+    }
+
+    /**
+     * @return string
+     */
+    public function getPageSettings(): string
+    {
+        $view = GeneralUtility::makeInstance(StandaloneView::class);
+        $templateNameAndPath = 'EXT:adminpanel/Resources/Private/Templates/Modules/Settings/Cache.html';
+        $view->setTemplatePathAndFilename(GeneralUtility::getFileAbsFileName($templateNameAndPath));
+        $view->setPartialRootPaths(['EXT:adminpanel/Resources/Private/Partials']);
+
+        $uriBuilder = GeneralUtility::makeInstance(UriBuilder::class);
+        $feCacheClear = $this->getBackendUser()->isAdmin() || $this->getBackendUser()->getTSConfig()['options.']['clearCache.']['pages'];
+
+        $view->assignMultiple(
+            [
+                'isEnabled' => $this->getBackendUser()->uc['AdminPanel']['display_cache'],
+                'noCache' => $this->getBackendUser()->uc['AdminPanel']['cache_noCache'],
+                'currentId' => $this->getTypoScriptFrontendController()->id,
+                'clearPageCacheUrl' => $feCacheClear ? (string)$uriBuilder->buildUriFromRoute('tce_db', ['cacheCmd' => 'pages']) : '',
+                'clearCurrentPageCacheUrl' => (string)$uriBuilder->buildUriFromRoute(
+                    'tce_db',
+                    [
+                        'cacheCmd' => $this->getTypoScriptFrontendController()->id,
+                    ]
+                ),
+            ]
+        );
+
+        return $view->render();
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getIdentifier(): string
+    {
+        return 'cache';
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getLabel(): string
+    {
+        $locallangFileAndPath = 'LLL:EXT:adminpanel/Resources/Private/Language/locallang_cache.xlf:module.label';
+        return $this->getLanguageService()->sL($locallangFileAndPath);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function initializeModule(ServerRequestInterface $request): void
+    {
+        if ($this->configurationService->getConfigurationOption('cache', 'noCache')) {
+            $this->getTypoScriptFrontendController()->set_no_cache('Admin Panel: No Caching', true);
+        }
+    }
+
+    /**
+     * @return TypoScriptFrontendController
+     */
+    protected function getTypoScriptFrontendController(): TypoScriptFrontendController
+    {
+        return $GLOBALS['TSFE'];
+    }
+
+    /**
+     * @return array
+     */
+    public function getJavaScriptFiles(): array
+    {
+        return ['EXT:adminpanel/Resources/Public/JavaScript/Modules/Cache.js'];
+    }
+
+    /**
+     * Returns a string array with css files that will be rendered after the module
+     *
+     * Example: return ['EXT:adminpanel/Resources/Public/JavaScript/Modules/Edit.css'];
+     *
+     * @return array
+     */
+    public function getCssFiles(): array
+    {
+        return [];
+    }
+}

typo3/sysext/adminpanel/Classes/Modules/Debug/Log.php

@@ -0,0 +1,208 @@
+<?php
+declare(strict_types = 1);
+
+namespace TYPO3\CMS\Adminpanel\Modules\Debug;
+
+/*
+ * 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\ServerRequestInterface;
+use TYPO3\CMS\Adminpanel\Log\InMemoryLogWriter;
+use TYPO3\CMS\Adminpanel\ModuleApi\AbstractSubModule;
+use TYPO3\CMS\Adminpanel\ModuleApi\DataProviderInterface;
+use TYPO3\CMS\Adminpanel\ModuleApi\InitializableInterface;
+use TYPO3\CMS\Adminpanel\ModuleApi\ModuleData;
+use TYPO3\CMS\Adminpanel\ModuleApi\ModuleSettingsProviderInterface;
+use TYPO3\CMS\Adminpanel\Service\ConfigurationService;
+use TYPO3\CMS\Core\Log\LogLevel;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Fluid\View\StandaloneView;
+
+/**
+ * Log Sub Module of the AdminPanel
+ *
+ * @internal
+ */
+class Log extends AbstractSubModule implements DataProviderInterface, ModuleSettingsProviderInterface, InitializableInterface
+{
+    protected $logLevel = LogLevel::INFO;
+
+    /**
+     * @var ConfigurationService
+     */
+    protected $configurationService;
+
+    public function __construct()
+    {
+        $this->configurationService = GeneralUtility::makeInstance(ConfigurationService::class);
+    }
+
+    /**
+     * @return string
+     */
+    public function getIdentifier(): string
+    {
+        return 'debug_log';
+    }
+
+    /**
+     * Sub-Module label
+     *
+     * @return string
+     */
+    public function getLabel(): string
+    {
+        return $this->getLanguageService()->sL(
+            'LLL:EXT:adminpanel/Resources/Private/Language/locallang_debug.xlf:submodule.log.label'
+        );
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getDataToStore(ServerRequestInterface $request): ModuleData
+    {
+        $levels = [];
+        for ($i = 1; $i <= LogLevel::DEBUG; $i++) {
+            $levels[] = [
+                'level' => $i,
+                'levelName' => LogLevel::getName($i),
+            ];
+        }
+
+        $log = InMemoryLogWriter::$log;
+
+        $logArray = [];
+        /** @var \TYPO3\CMS\Core\Log\LogRecord $logRecord */
+        foreach ($log as $logRecord) {
+            $entry = $logRecord->toArray();
+            // store only necessary info
+            unset($entry['data']);
+            $logArray[] = $entry;
+        }
+        return new ModuleData(
+            [
+                'levels' => $levels,
+                'startLevel' => (int)$this->getConfigOption('startLevel'),
+                'log' => $logArray,
+            ]
+        );
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getSettings(): string
+    {
+        $view = GeneralUtility::makeInstance(StandaloneView::class);
+        $templateNameAndPath = 'EXT:adminpanel/Resources/Private/Templates/Modules/Debug/LogSettings.html';
+        $view->setTemplatePathAndFilename(GeneralUtility::getFileAbsFileName($templateNameAndPath));
+        $view->setPartialRootPaths(['EXT:adminpanel/Resources/Private/Partials']);
+
+        $levels = [];
+        for ($i = 1; $i <= LogLevel::DEBUG; $i++) {
+            $levels[] = [
+                'level' => $i,
+                'levelName' => LogLevel::getName($i),
+            ];
+        }
+        $view->assignMultiple(
+            [
+                'levels' => $levels,
+                'startLevel' => (int)$this->getConfigOption('startLevel'),
+                'groupByComponent' => $this->getConfigOption('groupByComponent'),
+                'groupByLevel' => $this->getConfigOption('groupByLevel'),
+            ]
+        );
+
+        return $view->render();
+    }
+
+    /**
+     * Sub-Module content as rendered HTML
+     *
+     * @param \TYPO3\CMS\Adminpanel\ModuleApi\ModuleData $data
+     * @return string
+     */
+    public function getContent(ModuleData $data): string
+    {
+        $this->logLevel = $this->getConfigOption('startLevel');
+        $view = GeneralUtility::makeInstance(StandaloneView::class);
+        $templateNameAndPath = 'EXT:adminpanel/Resources/Private/Templates/Modules/Debug/Log.html';
+        $view->setTemplatePathAndFilename(GeneralUtility::getFileAbsFileName($templateNameAndPath));
+        $view->setPartialRootPaths(['EXT:adminpanel/Resources/Private/Partials']);
+        $sortedLog = [];
+        // settings for this module
+        $groupByComponent = $this->getConfigOption('groupByComponent');
+        $groupByLevel = $this->getConfigOption('groupByLevel');
+
+        foreach ($data['log'] as $logRecord) {
+            if ($logRecord['level'] > $this->logLevel) {
+                continue;
+            }
+            if ($groupByComponent && $groupByLevel) {
+                $sortedLog[$logRecord['component']][LogLevel::getName($logRecord['level'])][] = $logRecord;
+            } elseif ($groupByComponent) {
+                $sortedLog[$logRecord['component']][] = $logRecord;
+            } elseif ($groupByLevel) {
+                $sortedLog[$logRecord['level']][] = $logRecord;
+            } else {
+                $sortedLog[] = $logRecord;
+            }
+        }
+        $data['log'] = $sortedLog;
+        $data['groupByComponent'] = $groupByComponent;
+        $data['groupByLevel'] = $groupByLevel;
+        $view->assignMultiple($data->getArrayCopy());
+
+        return $view->render();
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function initializeModule(ServerRequestInterface $request): void
+    {
+        $this->logLevel = $this->getConfigOption('startLevel');
+
+        // set inMemoryLogWriter recursively for all configured namespaces/areas so we don't lose log entries
+        $configWithInMemoryWriter = $this->setLoggingConfigRecursive($GLOBALS['TYPO3_CONF_VARS']['LOG'] ?? []);
+
+        // in case there are empty array parts, remove them
+        $GLOBALS['TYPO3_CONF_VARS']['LOG'] = array_filter(
+            $configWithInMemoryWriter
+        );
+    }
+
+    protected function setLoggingConfigRecursive(array $logConfig): array
+    {
+        foreach ($logConfig as $key => $value) {
+            if ($key === 'writerConfiguration') {
+                $logConfig[$key] = $value;
+                $logConfig[$key][LogLevel::DEBUG][InMemoryLogWriter::class] = [];
+            } elseif (is_array($value)) {
+                $logConfig[$key] = $this->setLoggingConfigRecursive($value);
+            }
+        }
+        return $logConfig;
+    }
+
+    /**
+     * @param string $option
+     * @return string
+     */
+    protected function getConfigOption(string $option): string
+    {
+        return $this->configurationService->getConfigurationOption('debug_log', $option);
+    }
+}

typo3/sysext/adminpanel/Classes/Modules/Debug/QueryInformation.php

@@ -0,0 +1,131 @@
+<?php
+declare(strict_types = 1);
+
+namespace TYPO3\CMS\Adminpanel\Modules\Debug;
+
+/*
+ * 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\ServerRequestInterface;
+use TYPO3\CMS\Adminpanel\Log\DoctrineSqlLogger;
+use TYPO3\CMS\Adminpanel\ModuleApi\AbstractSubModule;
+use TYPO3\CMS\Adminpanel\ModuleApi\DataProviderInterface;
+use TYPO3\CMS\Adminpanel\ModuleApi\ModuleData;
+use TYPO3\CMS\Core\Database\ConnectionPool;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Fluid\View\StandaloneView;
+
+/**
+ * Admin Panel Query Information module for showing SQL Queries
+ *
+ * @internal
+ */
+class QueryInformation extends AbstractSubModule implements DataProviderInterface
+{
+    /**
+     * Identifier for this Sub-module,
+     * for example "preview" or "cache"
+     *
+     * @return string
+     */
+    public function getIdentifier(): string
+    {
+        return 'debug_queryinformation';
+    }
+
+    /**
+     * Sub-Module label
+     *
+     * @return string
+     */
+    public function getLabel(): string
+    {
+        return $this->getLanguageService()->sL(
+            'LLL:EXT:adminpanel/Resources/Private/Language/locallang_debug.xlf:submodule.queryInformation.label'
+        );
+    }
+
+    /**
+     * @param ServerRequestInterface $request
+     * @return \TYPO3\CMS\Adminpanel\ModuleApi\ModuleData
+     * @throws \Doctrine\DBAL\DBALException
+     */
+    public function getDataToStore(ServerRequestInterface $request): ModuleData
+    {
+        $connectionPool = GeneralUtility::makeInstance(ConnectionPool::class);
+        $connection = $connectionPool->getConnectionByName(ConnectionPool::DEFAULT_CONNECTION_NAME);
+        $logger = $connection->getConfiguration()->getSQLLogger();
+        $data = [];
+        if ($logger instanceof DoctrineSqlLogger) {
+            $queries = $logger->getQueries();
+            $data['queries'] = $this->groupQueries($queries) ?? [];
+            $data['totalTime'] = array_sum(array_column($queries, 'executionMS')) * 1000;
+        }
+        return new ModuleData($data);
+    }
+
+    /**
+     * @param \TYPO3\CMS\Adminpanel\ModuleApi\ModuleData $data
+     * @return string Returns content of admin panel
+     */
+    public function getContent(ModuleData $data): string
+    {
+        $view = new StandaloneView();
+        $view->setTemplatePathAndFilename(
+            'EXT:adminpanel/Resources/Private/Templates/Modules/Debug/QueryInformation.html'
+        );
+        $this->getLanguageService()->includeLLFile('EXT:adminpanel/Resources/Private/Language/locallang_debug.xlf');
+        $view->assignMultiple($data->getArrayCopy());
+        return $view->render();
+    }
+
+    /**
+     * @param array $queries
+     * @return array
+     */
+    protected function groupQueries(array $queries): array
+    {
+        $groupedQueries = [];
+        foreach ($queries as $query) {
+            $identifier = sha1($query['sql']) . sha1(json_encode($query['backtrace']));
+            if (is_array($query['params'])) {
+                foreach ($query['params'] as $k => $param) {
+                    if (is_array($param)) {
+                        $query['params'][$k] = implode(',', $param);
+                    }
+                }
+            }
+            if (isset($groupedQueries[$identifier])) {
+                $groupedQueries[$identifier]['count']++;
+                $groupedQueries[$identifier]['time'] += ($query['executionMS'] * 1000);
+                $groupedQueries[$identifier]['queries'][] = $query;
+            } else {
+                $groupedQueries[$identifier] = [
+                    'sql' => $query['sql'],
+                    'time' => $query['executionMS'] * 1000,
+                    'count' => 1,
+                    'queries' => [
+                        $query,
+                    ],
+                ];
+            }
+        }
+        uasort(
+            $groupedQueries,
+            function ($a, $b) {
+                return $b['time'] <=> $a['time'];
+            }
+        );
+        return $groupedQueries;
+    }
+}

typo3/sysext/adminpanel/Classes/Modules/DebugModule.php

@@ -0,0 +1,65 @@
+<?php
+declare(strict_types = 1);
+
+namespace TYPO3\CMS\Adminpanel\Modules;
+
+/*
+ * 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 TYPO3\CMS\Adminpanel\Log\InMemoryLogWriter;
+use TYPO3\CMS\Adminpanel\ModuleApi\AbstractModule;
+use TYPO3\CMS\Adminpanel\ModuleApi\ShortInfoProviderInterface;
+use TYPO3\CMS\Core\Log\LogRecord;
+
+/**
+ * Debug Module of the AdminPanel
+ */
+class DebugModule extends AbstractModule implements ShortInfoProviderInterface
+{
+
+    /**
+     * @inheritdoc
+     */
+    public function getIdentifier(): string
+    {
+        return 'debug';
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getIconIdentifier(): string
+    {
+        return 'actions-debug';
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getLabel(): string
+    {
+        return $this->getLanguageService()->sL(
+            'LLL:EXT:adminpanel/Resources/Private/Language/locallang_debug.xlf:module.label'
+        );
+    }
+
+    public function getShortInfo(): string
+    {
+        $errorsAndWarnings = array_filter(InMemoryLogWriter::$log, function (LogRecord $entry) {
+            return $entry->getLevel() <= 4;
+        });
+        return sprintf($this->getLanguageService()->sL(
+            'LLL:EXT:adminpanel/Resources/Private/Language/locallang_debug.xlf:module.shortinfo'
+        ), count($errorsAndWarnings));
+    }
+}

typo3/sysext/adminpanel/Classes/Modules/EditModule.php

@@ -0,0 +1,153 @@
+<?php
+declare(strict_types = 1);
+
+namespace TYPO3\CMS\Adminpanel\Modules;
+
+/*
+ * 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\ServerRequestInterface;
+use TYPO3\CMS\Adminpanel\ModuleApi\AbstractModule;
+use TYPO3\CMS\Adminpanel\ModuleApi\InitializableInterface;
+use TYPO3\CMS\Adminpanel\ModuleApi\PageSettingsProviderInterface;
+use TYPO3\CMS\Adminpanel\ModuleApi\ResourceProviderInterface;
+use TYPO3\CMS\Adminpanel\Service\EditToolbarService;
+use TYPO3\CMS\Backend\Utility\BackendUtility;
+use TYPO3\CMS\Core\Utility\ExtensionManagementUtility;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Fluid\View\StandaloneView;
+use TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController;
+
+/**
+ * Admin Panel Edit Module
+ */
+class EditModule extends AbstractModule implements PageSettingsProviderInterface, InitializableInterface, ResourceProviderInterface
+{
+    /**
+     * Creates the content for the "edit" section ("module") of the Admin Panel
+     *
+     * @return string HTML content for the section. Consists of a string with table-rows with four columns.
+     */
+    public function getPageSettings(): string
+    {
+        $editToolbarService = GeneralUtility::makeInstance(EditToolbarService::class);
+        $toolbar = $editToolbarService->createToolbar();
+        $view = GeneralUtility::makeInstance(StandaloneView::class);
+        $templateNameAndPath = 'EXT:adminpanel/Resources/Private/Templates/Modules/Settings/Edit.html';
+        $view->setTemplatePathAndFilename(GeneralUtility::getFileAbsFileName($templateNameAndPath));
+        $view->setPartialRootPaths(['EXT:adminpanel/Resources/Private/Partials']);
+        $view->assignMultiple(
+            [
+                'feEdit' => ExtensionManagementUtility::isLoaded('feedit'),
+                'display' => [
+                    'fieldIcons' => $this->configurationService->getConfigurationOption('edit', 'displayFieldIcons'),
+                    'displayIcons' => $this->configurationService->getConfigurationOption('edit', 'displayIcons'),
+                ],
+                'toolbar' => $toolbar,
+                'script' => [
+                    'pageUid' => (int)$this->getTypoScriptFrontendController()->page['uid'],
+                    'pageModule' => $this->getPageModule(),
+                    'backendScript' => BackendUtility::getBackendScript(),
+                    't3BeSitenameMd5' => md5('Typo3Backend-' . $GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename']),
+                ],
+            ]
+        );
+        return $view->render();
+    }
+
+    /**
+     * @return TypoScriptFrontendController
+     */
+    protected function getTypoScriptFrontendController(): TypoScriptFrontendController
+    {
+        return $GLOBALS['TSFE'];
+    }
+
+    /**
+     * @return string
+     */
+    private function getPageModule(): string
+    {
+        $pageModule = trim($this->getBackendUser()->getTSConfig()['options.']['overridePageModule'] ?? '');
+        return BackendUtility::isModuleSetInTBE_MODULES($pageModule) ? $pageModule : 'web_layout';
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getIdentifier(): string
+    {
+        return 'edit';
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getIconIdentifier(): string
+    {
+        return 'actions-open';
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getLabel(): string
+    {
+        $locallangFileAndPath = 'LLL:EXT:adminpanel/Resources/Private/Language/locallang_edit.xlf:module.label';
+        return $this->getLanguageService()->sL($locallangFileAndPath);
+    }
+
+    /**
+     * Initialize the edit module
+     * Includes the frontend edit initialization
+     *
+     * @param ServerRequestInterface $request
+     *
+     * @todo move into fe_edit (including the module)
+     */
+    public function initializeModule(ServerRequestInterface $request): void
+    {
+        $extFeEditLoaded = ExtensionManagementUtility::isLoaded('feedit');
+        $typoScriptFrontend = $this->getTypoScriptFrontendController();
+        $typoScriptFrontend->displayEditIcons = $this->configurationService->getConfigurationOption('edit', 'displayIcons');
+        $typoScriptFrontend->displayFieldEditIcons = $this->configurationService->getConfigurationOption('edit', 'displayFieldIcons');
+
+        if ($request->getQueryParams()['ADMCMD_editIcons'] ?? $request->getParsedBody()['ADMCMD_editIcons'] ?? false) {
+            $typoScriptFrontend->displayFieldEditIcons = '1';
+        }
+        if ($extFeEditLoaded && $typoScriptFrontend->displayEditIcons) {
+            $typoScriptFrontend->set_no_cache('Admin Panel: Display edit icons', true);
+        }
+        if ($extFeEditLoaded && $typoScriptFrontend->displayFieldEditIcons) {
+            $typoScriptFrontend->set_no_cache('Admin Panel: Display field edit icons', true);
+        }
+    }
+
+    /**
+     * @return array
+     */
+    public function getJavaScriptFiles(): array
+    {
+        return ['EXT:adminpanel/Resources/Public/JavaScript/Modules/Edit.js'];
+    }
+
+    /**
+     * Returns a string array with css files that will be rendered after the module
+     *
+     * @return array
+     */
+    public function getCssFiles(): array
+    {
+        return [];
+    }
+}

typo3/sysext/adminpanel/Classes/Modules/Info/GeneralInformation.php

@@ -0,0 +1,186 @@
+<?php
+declare(strict_types = 1);
+
+namespace TYPO3\CMS\Adminpanel\Modules\Info;
+
+/*
+ * 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\ServerRequestInterface;
+use TYPO3\CMS\Adminpanel\ModuleApi\AbstractSubModule;
+use TYPO3\CMS\Adminpanel\ModuleApi\DataProviderInterface;
+use TYPO3\CMS\Adminpanel\ModuleApi\ModuleData;
+use TYPO3\CMS\Core\Context\Context;
+use TYPO3\CMS\Core\Context\UserAspect;
+use TYPO3\CMS\Core\TimeTracker\TimeTracker;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Fluid\View\StandaloneView;
+use TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController;
+
+/**
+ * General information module displaying info about the current
+ * request
+ *
+ * @internal
+ */
+class GeneralInformation extends AbstractSubModule implements DataProviderInterface
+{
+    /**
+     * @inheritdoc
+     */
+    public function getDataToStore(ServerRequestInterface $request): ModuleData
+    {
+        /** @var UserAspect $frontendUserAspect */
+        $frontendUserAspect = GeneralUtility::makeInstance(Context::class)->getAspect('frontend.user');
+        $tsfe = $this->getTypoScriptFrontendController();
+        return new ModuleData(
+            [
+                'post' => $_POST,
+                'get' => $_GET,
+                'cookie' => $_COOKIE,
+                'server' => $_SERVER,
+                'info' => [
+                    'pageUid' => $tsfe->id,
+                    'pageType' => $tsfe->type,
+                    'groupList' => implode(',', $frontendUserAspect->getGroupIds()),
+                    'noCache' => $this->isNoCacheEnabled(),
+                    'countUserInt' => count($tsfe->config['INTincScript'] ?? []),
+                    'totalParsetime' => $this->getTimeTracker()->getParseTime(),
+                    'feUser' => [
+                        'uid' => $frontendUserAspect->get('id') ?: 0,
+                        'username' => $frontendUserAspect->get('username') ?: '',
+                    ],
+                    'imagesOnPage' => $this->collectImagesOnPage(),
+                    'documentSize' => $this->collectDocumentSize(),
+                ],
+            ]
+        );
+    }
+
+    /**
+     * Creates the content for the "info" section ("module") of the Admin Panel
+     *
+     * @param \TYPO3\CMS\Adminpanel\ModuleApi\ModuleData $data
+     * @return string HTML content for the section. Consists of a string with table-rows with four columns.
+     * @see display()
+     */
+    public function getContent(ModuleData $data): string
+    {
+        $view = GeneralUtility::makeInstance(StandaloneView::class);
+        $templateNameAndPath = 'EXT:adminpanel/Resources/Private/Templates/Modules/Info/General.html';
+        $view->setTemplatePathAndFilename(GeneralUtility::getFileAbsFileName($templateNameAndPath));
+        $view->setPartialRootPaths(['EXT:adminpanel/Resources/Private/Partials']);
+
+        $view->assignMultiple($data->getArrayCopy());
+
+        return $view->render();
+    }
+
+    /**
+     * Identifier for this Sub-module,
+     * for example "preview" or "cache"
+     *
+     * @return string
+     */
+    public function getIdentifier(): string
+    {
+        return 'info_general';
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getLabel(): string
+    {
+        return $this->getLanguageService()->sL(
+            'LLL:EXT:adminpanel/Resources/Private/Language/locallang_info.xlf:sub.general.label'
+        );
+    }
+
+    /**
+     * Collects images from TypoScriptFrontendController and calculates the total size.
+     * Returns human readable image sizes for fluid template output
+     *
+     * @return array
+     */
+    protected function collectImagesOnPage(): array
+    {
+        $imagesOnPage = [
+            'files' => [],
+            'total' => 0,
+            'totalSize' => 0,
+            'totalSizeHuman' => GeneralUtility::formatSize(0),
+        ];
+
+        if ($this->isNoCacheEnabled() === false) {
+            return $imagesOnPage;
+        }
+
+        $count = 0;
+        $totalImageSize = 0;
+        if (!empty($this->getTypoScriptFrontendController()->imagesOnPage)) {
+            foreach ($this->getTypoScriptFrontendController()->imagesOnPage as $file) {
+                $fileSize = @filesize($file);
+                $imagesOnPage['files'][] = [
+                    'name' => $file,
+                    'size' => $fileSize,
+                    'sizeHuman' => GeneralUtility::formatSize($fileSize),
+                ];
+                $totalImageSize += $fileSize;
+                $count++;
+            }
+        }
+        $imagesOnPage['totalSize'] = GeneralUtility::formatSize($totalImageSize);
+        $imagesOnPage['total'] = $count;
+        return $imagesOnPage;
+    }
+
+    /**
+     * Gets the document size from the current page in a human readable format
+     *
+     * @return string
+     */
+    protected function collectDocumentSize(): string
+    {
+        $documentSize = 0;
+        if ($this->isNoCacheEnabled() === true) {
+            $documentSize = mb_strlen($this->getTypoScriptFrontendController()->content, 'UTF-8');
+        }
+
+        return GeneralUtility::formatSize($documentSize);
+    }
+
+    /**
+     * @return bool
+     */
+    protected function isNoCacheEnabled(): bool
+    {
+        return (bool)$this->getTypoScriptFrontendController()->no_cache;
+    }
+
+    /**
+     * @return TypoScriptFrontendController
+     */
+    protected function getTypoScriptFrontendController(): TypoScriptFrontendController
+    {
+        return $GLOBALS['TSFE'];
+    }
+
+    /**
+     * @return TimeTracker
+     */
+    protected function getTimeTracker(): TimeTracker
+    {
+        return GeneralUtility::makeInstance(TimeTracker::class);
+    }
+}

typo3/sysext/adminpanel/Classes/Modules/Info/PhpInformation.php

@@ -0,0 +1,84 @@
+<?php
+declare(strict_types = 1);
+
+namespace TYPO3\CMS\Adminpanel\Modules\Info;
+
+/*
+ * 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\ServerRequestInterface;
+use TYPO3\CMS\Adminpanel\ModuleApi\AbstractSubModule;
+use TYPO3\CMS\Adminpanel\ModuleApi\DataProviderInterface;
+use TYPO3\CMS\Adminpanel\ModuleApi\ModuleData;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Fluid\View\StandaloneView;
+
+/**
+ * PhpInformation admin panel sub module
+ *
+ * @internal
+ */
+class PhpInformation extends AbstractSubModule implements DataProviderInterface
+{
+    /**
+     * @inheritdoc
+     */
+    public function getIdentifier(): string
+    {
+        return 'info_php';
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getLabel(): string
+    {
+        return $this->getLanguageService()->sL(
+            'LLL:EXT:adminpanel/Resources/Private/Language/locallang_info.xlf:sub.php.label'
+        );
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getDataToStore(ServerRequestInterface $request): ModuleData
+    {
+        return new ModuleData(
+            [
+                'general' => [
+                    'PHP_VERSION' => PHP_VERSION,
+                    'PHP_OS' => PHP_OS,
+                    'PHP_SAPI' => PHP_SAPI,
+                    'Peak Memory Usage' => GeneralUtility::formatSize(memory_get_peak_usage()),
+                ],
+                'loadedExtensions' => implode(', ', get_loaded_extensions()),
+                'constants' => get_defined_constants(true),
+            ]
+        );
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getContent(ModuleData $data): string
+    {
+        $view = GeneralUtility::makeInstance(StandaloneView::class);
+        $templateNameAndPath = 'EXT:adminpanel/Resources/Private/Templates/Modules/Info/PhpInfo.html';
+        $view->setTemplatePathAndFilename(GeneralUtility::getFileAbsFileName($templateNameAndPath));
+        $view->setPartialRootPaths(['EXT:adminpanel/Resources/Private/Partials']);
+
+        $view->assignMultiple($data->getArrayCopy());
+
+        return $view->render();
+    }
+}

typo3/sysext/adminpanel/Classes/Modules/Info/RequestInformation.php

@@ -0,0 +1,81 @@
+<?php
+declare(strict_types = 1);
+
+namespace TYPO3\CMS\Adminpanel\Modules\Info;
+
+/*
+ * 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\ServerRequestInterface;
+use TYPO3\CMS\Adminpanel\ModuleApi\AbstractSubModule;
+use TYPO3\CMS\Adminpanel\ModuleApi\DataProviderInterface;
+use TYPO3\CMS\Adminpanel\ModuleApi\ModuleData;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Fluid\View\StandaloneView;
+
+/**
+ * RequestInformation submodule of the admin panel
+ *
+ * @internal
+ */
+class RequestInformation extends AbstractSubModule implements DataProviderInterface
+{
+    /**
+     * @inheritdoc
+     */
+    public function getIdentifier(): string
+    {
+        return 'info-request';
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getLabel(): string
+    {
+        return $this->getLanguageService()->sL(
+            'LLL:EXT:adminpanel/Resources/Private/Language/locallang_info.xlf:sub.request.label'
+        );
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getDataToStore(ServerRequestInterface $request): ModuleData
+    {
+        return new ModuleData(
+            [
+                'post' => $_POST,
+                'get' => $_GET,
+                'cookie' => $_COOKIE,
+                'session' => $_SESSION,
+                'server' => $_SERVER,
+            ]
+        );
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getContent(ModuleData $data): string
+    {
+        $view = GeneralUtility::makeInstance(StandaloneView::class);
+        $templateNameAndPath = 'EXT:adminpanel/Resources/Private/Templates/Modules/Info/RequestInformation.html';
+        $view->setTemplatePathAndFilename(GeneralUtility::getFileAbsFileName($templateNameAndPath));
+        $view->setPartialRootPaths(['EXT:adminpanel/Resources/Private/Partials']);
+
+        $view->assignMultiple($data->getArrayCopy());
+
+        return $view->render();
+    }
+}

typo3/sysext/adminpanel/Classes/Modules/InfoModule.php

@@ -0,0 +1,73 @@
+<?php
+declare(strict_types = 1);
+
+namespace TYPO3\CMS\Adminpanel\Modules;
+
+/*
+ * 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 TYPO3\CMS\Adminpanel\ModuleApi\AbstractModule;
+use TYPO3\CMS\Adminpanel\ModuleApi\ShortInfoProviderInterface;
+use TYPO3\CMS\Core\TimeTracker\TimeTracker;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+
+/**
+ * Admin Panel Info Module
+ */
+class InfoModule extends AbstractModule implements ShortInfoProviderInterface
+{
+    /**
+     * @inheritdoc
+     */
+    public function getIconIdentifier(): string
+    {
+        return 'actions-document-info';
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getIdentifier(): string
+    {
+        return 'info';
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getLabel(): string
+    {
+        return $this->getLanguageService()->sL(
+            'LLL:EXT:adminpanel/Resources/Private/Language/locallang_info.xlf:module.label'
+        );
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getShortInfo(): string
+    {
+        $parseTime = $this->getTimeTracker()->getParseTime();
+        return sprintf($this->getLanguageService()->sL(
+            'LLL:EXT:adminpanel/Resources/Private/Language/locallang_info.xlf:module.shortinfo'
+        ), $parseTime);
+    }
+
+    /**
+     * @return TimeTracker
+     */
+    protected function getTimeTracker(): TimeTracker
+    {
+        return GeneralUtility::makeInstance(TimeTracker::class);
+    }
+}

typo3/sysext/adminpanel/Classes/Modules/PreviewModule.php

@@ -0,0 +1,257 @@
+<?php
+declare(strict_types = 1);
+
+namespace TYPO3\CMS\Adminpanel\Modules;
+
+/*
+ * 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\ServerRequestInterface;
+use TYPO3\CMS\Adminpanel\ModuleApi\AbstractModule;
+use TYPO3\CMS\Adminpanel\ModuleApi\InitializableInterface;
+use TYPO3\CMS\Adminpanel\ModuleApi\PageSettingsProviderInterface;
+use TYPO3\CMS\Adminpanel\ModuleApi\ResourceProviderInterface;
+use TYPO3\CMS\Adminpanel\Repositories\FrontendGroupsRepository;
+use TYPO3\CMS\Core\Context\Context;
+use TYPO3\CMS\Core\Context\DateTimeAspect;
+use TYPO3\CMS\Core\Context\UserAspect;
+use TYPO3\CMS\Core\Context\VisibilityAspect;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Fluid\View\StandaloneView;
+use TYPO3\CMS\Frontend\Authentication\FrontendUserAuthentication;
+use TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController;
+
+/**
+ * Admin Panel Preview Module
+ */
+class PreviewModule extends AbstractModule implements InitializableInterface, PageSettingsProviderInterface, ResourceProviderInterface
+{
+    /**
+     * module configuration, set on initialize
+     *
+     * @var array
+     */
+    protected $config;
+
+    /**
+     * @inheritdoc
+     */
+    public function getIconIdentifier(): string
+    {
+        return 'actions-preview';
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getIdentifier(): string
+    {
+        return 'preview';
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getLabel(): string
+    {
+        return $this->getLanguageService()->sL(
+            'LLL:EXT:adminpanel/Resources/Private/Language/locallang_preview.xlf:module.label'
+        );
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function initializeModule(ServerRequestInterface $request): void
+    {
+        // Backend preview params (ADMCMD_) take precedence over configured admin panel values
+        $simulateGroupByRequest = (int)($request->getQueryParams()['ADMCMD_simUser'] ?? 0);
+        $simulateTimeByRequest = (int)($request->getQueryParams()['ADMCMD_simTime'] ?? 0);
+        $this->config = [
+            'showHiddenPages' => (bool)$this->getConfigOptionForModule('showHiddenPages'),
+            'simulateDate' => $simulateTimeByRequest ?: (int)$this->getConfigOptionForModule('simulateDate'),
+            'showHiddenRecords' => (bool)$this->getConfigOptionForModule('showHiddenRecords'),
+            'simulateUserGroup' => $simulateGroupByRequest ?: (int)$this->getConfigOptionForModule('simulateUserGroup'),
+            'showFluidDebug' => (bool)$this->getConfigOptionForModule('showFluidDebug'),
+        ];
+        if ($this->config['showFluidDebug']) {
+            // forcibly unset fluid caching as it does not care about the tsfe based caching settings
+            unset($GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']['fluid_template']['frontend']);
+            $GLOBALS['TSFE']->set_no_cache('Cache is disabled if fluid debugging is enabled', true);
+        }
+        $this->initializeFrontendPreview(
+            $this->config['showHiddenPages'],
+            $this->config['showHiddenRecords'],
+            $this->config['simulateDate'],
+            $this->config['simulateUserGroup']
+        );
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getPageSettings(): string
+    {
+        $view = GeneralUtility::makeInstance(StandaloneView::class);
+        $templateNameAndPath = 'EXT:adminpanel/Resources/Private/Templates/Modules/Settings/Preview.html';
+        $view->setTemplatePathAndFilename(GeneralUtility::getFileAbsFileName($templateNameAndPath));
+        $view->setPartialRootPaths(['EXT:adminpanel/Resources/Private/Partials']);
+
+        $frontendGroupsRepository = GeneralUtility::makeInstance(FrontendGroupsRepository::class);
+
+        $view->assignMultiple(
+            [
+                'show' => [
+                    'pageId' => (int)$this->getTypoScriptFrontendController()->id,
+                    'hiddenPages' => $this->config['showHiddenPages'],
+                    'hiddenRecords' => $this->config['showHiddenRecords'],
+                    'fluidDebug' => $this->config['showFluidDebug'],
+                ],
+                'simulateDate' => $this->config['simulateDate'],
+                'frontendUserGroups' => [
+                    'availableGroups' => $frontendGroupsRepository->getAvailableFrontendUserGroups(),
+                    'selected' => (int)$this->config['simulateUserGroup'],
+                ],
+            ]
+        );
+        return $view->render();
+    }
+
+    /**
+     * @param string $option
+     * @return string
+     */
+    protected function getConfigOptionForModule(string $option): string
+    {
+        return $this->configurationService->getConfigurationOption(
+            'preview',
+            $option
+        );
+    }
+
+    /**
+     * @return TypoScriptFrontendController
+     */
+    protected function getTypoScriptFrontendController(): TypoScriptFrontendController
+    {
+        return $GLOBALS['TSFE'];
+    }
+
+    /**
+     * Initialize frontend preview functionality incl.
+     * simulation of users or time
+     *
+     * @param bool $showHiddenPages
+     * @param bool $showHiddenRecords
+     * @param int $simulateDate
+     * @param int $simulateUserGroup UID of the fe_group to simulate
+     * @throws \Exception
+     */
+    protected function initializeFrontendPreview(
+        bool $showHiddenPages,
+        bool $showHiddenRecords,
+        int $simulateDate,
+        int $simulateUserGroup
+    ): void {
+        $context = GeneralUtility::makeInstance(Context::class);
+        $typoScriptFrontendController = $this->getTypoScriptFrontendController();
+        $typoScriptFrontendController->clear_preview();
+        $typoScriptFrontendController->fePreview = 1;
+
+        // Modify visibility settings (hidden pages + hidden content)
+        $context->setAspect(
+            'visibility',
+            GeneralUtility::makeInstance(VisibilityAspect::class, $showHiddenPages, $showHiddenRecords)
+        );
+
+        // Simulate date
+        $simTime = null;
+        if ($simulateDate) {
+            $simTime = $this->parseDate($simulateDate);
+            if ($simTime) {
+                $GLOBALS['SIM_EXEC_TIME'] = $simTime;
+                $GLOBALS['SIM_ACCESS_TIME'] = $simTime - $simTime % 60;
+                $context->setAspect(
+                    'date',
+                    GeneralUtility::makeInstance(
+                        DateTimeAspect::class,
+                        new \DateTimeImmutable('@' . $GLOBALS['SIM_EXEC_TIME'])
+                    )
+                );
+            }
+        }
+        // simulate usergroup
+        if ($simulateUserGroup) {
+            $typoScriptFrontendController->simUserGroup = $simulateUserGroup;
+            if (!$typoScriptFrontendController->fe_user instanceof FrontendUserAuthentication) {
+                $typoScriptFrontendController->fe_user = GeneralUtility::makeInstance(
+                    FrontendUserAuthentication::class
+                );
+            }
+            if (!is_array($typoScriptFrontendController->fe_user->user)) {
+                // This can be removed once #90989 is fixed
+                $typoScriptFrontendController->fe_user->user = ['uid' => PHP_INT_MAX];
+            }
+            $typoScriptFrontendController->fe_user->user[$typoScriptFrontendController->fe_user->usergroup_column] = $simulateUserGroup;
+            $context->setAspect(
+                'frontend.user',
+                GeneralUtility::makeInstance(
+                    UserAspect::class,
+                    $typoScriptFrontendController->fe_user ?: null,
+                    [$simulateUserGroup]
+                )
+            );
+        }
+        if (!$simulateUserGroup && !$simTime && !$showHiddenPages && !$showHiddenRecords) {
+            $typoScriptFrontendController->fePreview = 0;
+        }
+    }
+
+    /**
+     * @return array
+     */
+    public function getJavaScriptFiles(): array
+    {
+        return ['EXT:adminpanel/Resources/Public/JavaScript/Modules/Preview.js'];
+    }
+
+    /**
+     * The simulated date needs to be a timestring (UTC)
+     *
+     * Simulation date is either set via configuration of AdminPanel (Date and Time Fields) or via ADMCMD_ $_GET
+     * parameter from backend previews
+     *
+     * @param int $simulateDate
+     * @return int
+     */
+    protected function parseDate(int $simulateDate): ?int
+    {
+        try {
+            $simTime = (new \DateTime('@' . $simulateDate))->getTimestamp();
+            $simTime = max($simTime, 60);
+        } catch (\Exception $e) {
+            $simTime = null;
+        }
+        return $simTime;
+    }
+
+    /**
+     * Returns a string array with css files that will be rendered after the module
+     *
+     * @return array
+     */
+    public function getCssFiles(): array
+    {
+        return [];
+    }
+}

typo3/sysext/adminpanel/Classes/Modules/TsDebug/TypoScriptWaterfall.php

@@ -0,0 +1,193 @@
+<?php
+declare(strict_types = 1);
+
+namespace TYPO3\CMS\Adminpanel\Modules\TsDebug;
+
+/*
+ * 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\ServerRequestInterface;
+use TYPO3\CMS\Adminpanel\ModuleApi\AbstractSubModule;
+use TYPO3\CMS\Adminpanel\ModuleApi\InitializableInterface;
+use TYPO3\CMS\Adminpanel\ModuleApi\ModuleData;
+use TYPO3\CMS\Adminpanel\ModuleApi\ModuleSettingsProviderInterface;
+use TYPO3\CMS\Adminpanel\Service\ConfigurationService;
+use TYPO3\CMS\Backend\FrontendBackendUserAuthentication;
+use TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
+use TYPO3\CMS\Core\TimeTracker\TimeTracker;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Fluid\View\StandaloneView;
+use TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController;
+
+/**
+ * Class TypoScriptWaterfall
+ *
+ * @internal
+ */
+class TypoScriptWaterfall extends AbstractSubModule implements InitializableInterface, ModuleSettingsProviderInterface
+{
+    /**
+     * @var ConfigurationService
+     */
+    protected $configurationService;
+
+    public function __construct()
+    {
+        $this->configurationService = GeneralUtility::makeInstance(ConfigurationService::class);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getIdentifier(): string
+    {
+        return 'typoscript-waterfall';
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getLabel(): string
+    {
+        return $this->getLanguageService()->sL(
+            'LLL:EXT:adminpanel/Resources/Private/Language/locallang_tsdebug.xlf:sub.waterfall.label'
+        );
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function initializeModule(ServerRequestInterface $request): void
+    {
+        $typoScriptFrontend = $this->getTypoScriptFrontendController();
+        $typoScriptFrontend->forceTemplateParsing = $this->getConfigurationOption(
+            'forceTemplateParsing'
+        );
+        if ($typoScriptFrontend->forceTemplateParsing) {
+            $typoScriptFrontend->set_no_cache('Admin Panel: Force template parsing', true);
+        }
+        $this->getTimeTracker()->LR = (bool)$this->getConfigurationOption('LR');
+    }
+
+    /**
+     * Creates the content for the "tsdebug" section ("module") of the Admin Panel
+     *
+     * @param ModuleData $data
+     * @return string HTML
+     */
+    public function getContent(ModuleData $data): string
+    {
+        $view = GeneralUtility::makeInstance(StandaloneView::class);
+        $templateNameAndPath = 'EXT:adminpanel/Resources/Private/Templates/Modules/TsDebug/TypoScript.html';
+        $view->setTemplatePathAndFilename(GeneralUtility::getFileAbsFileName($templateNameAndPath));
+        $view->setPartialRootPaths(['EXT:adminpanel/Resources/Private/Partials']);
+
+        $view->assignMultiple(
+            [
+                'tree' => (int)$this->getConfigurationOption('tree'),
+                'display' => [
+                    'times' => (int)$this->getConfigurationOption('displayTimes'),
+                    'messages' => (int)$this->getConfigurationOption('displayMessages'),
+                    'content' => (int)$this->getConfigurationOption('displayContent'),
+                ],
+                'trackContentRendering' => (int)$this->getConfigurationOption('LR'),
+                'forceTemplateParsing' => (int)$this->getConfigurationOption('forceTemplateParsing'),
+                'typoScriptLog' => $this->renderTypoScriptLog(),
+            ]
+        );
+
+        return $view->render();
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getSettings(): string
+    {
+        $view = GeneralUtility::makeInstance(StandaloneView::class);
+        $templateNameAndPath = 'EXT:adminpanel/Resources/Private/Templates/Modules/TsDebug/TypoScriptSettings.html';
+        $view->setTemplatePathAndFilename(GeneralUtility::getFileAbsFileName($templateNameAndPath));
+        $view->setPartialRootPaths(['EXT:adminpanel/Resources/Private/Partials']);
+
+        $view->assignMultiple(
+            [
+                'tree' => (int)$this->getConfigurationOption('tree'),
+                'display' => [
+                    'times' => (int)$this->getConfigurationOption('displayTimes'),
+                    'messages' => (int)$this->getConfigurationOption('displayMessages'),
+                    'content' => (int)$this->getConfigurationOption('displayContent'),
+                ],
+                'trackContentRendering' => (int)$this->getConfigurationOption('LR'),
+                'forceTemplateParsing' => (int)$this->getConfigurationOption('forceTemplateParsing')
+            ]
+        );
+
+        return $view->render();
+    }
+
+    /**
+     * Returns the current BE user.
+     *
+     * @return BackendUserAuthentication|FrontendBackendUserAuthentication
+     */
+    protected function getBackendUser(): BackendUserAuthentication
+    {
+        return $GLOBALS['BE_USER'];
+    }
+
+    /**
+     * @param string $option
+     * @return bool
+     */
+    protected function getConfigurationOption(string $option): bool
+    {
+        return (bool)$this->configurationService->getConfigurationOption('tsdebug', $option);
+    }
+
+    /**
+     * Renders the TypoScript log as string
+     *
+     * @return string
+     */
+    protected function renderTypoScriptLog(): string
+    {
+        $timeTracker = $this->getTimeTracker();
+        $timeTracker->printConf['flag_tree'] = $this->getConfigurationOption('tree');
+        $timeTracker->printConf['allTime'] = $this->getConfigurationOption(
+            'displayTimes'
+        );
+        $timeTracker->printConf['flag_messages'] = $this->getConfigurationOption(
+            'displayMessages'
+        );
+        $timeTracker->printConf['flag_content'] = $this->getConfigurationOption(
+            'displayContent'
+        );
+        return $timeTracker->printTSlog();
+    }
+
+    /**
+     * @return TimeTracker
+     */
+    protected function getTimeTracker(): TimeTracker
+    {
+        return GeneralUtility::makeInstance(TimeTracker::class);
+    }
+
+    /**
+     * @return TypoScriptFrontendController
+     */
+    protected function getTypoScriptFrontendController(): TypoScriptFrontendController
+    {
+        return $GLOBALS['TSFE'];
+    }
+}

typo3/sysext/adminpanel/Classes/Modules/TsDebugModule.php

@@ -0,0 +1,79 @@
+<?php
+declare(strict_types = 1);
+
+namespace TYPO3\CMS\Adminpanel\Modules;
+
+/*
+ * 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 TYPO3\CMS\Adminpanel\ModuleApi\AbstractModule;
+use TYPO3\CMS\Adminpanel\ModuleApi\ShortInfoProviderInterface;
+use TYPO3\CMS\Core\TimeTracker\TimeTracker;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+
+/**
+ * Admin Panel TypoScript Debug Module
+ */
+class TsDebugModule extends AbstractModule implements ShortInfoProviderInterface
+{
+    /**
+     * @inheritdoc
+     */
+    public function getIdentifier(): string
+    {
+        return 'tsdebug';
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getIconIdentifier(): string
+    {
+        return 'mimetypes-x-content-template-static';
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getLabel(): string
+    {
+        return $this->getLanguageService()->sL(
+            'LLL:EXT:adminpanel/Resources/Private/Language/locallang_tsdebug.xlf:module.label'
+        );
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getShortInfo(): string
+    {
+        $messageCount = 0;
+        foreach ($this->getTimeTracker()->tsStackLog as $log) {
+            $messageCount += count($log['message'] ?? []);
+        }
+        return sprintf(
+            $this->getLanguageService()->sL(
+                'LLL:EXT:adminpanel/Resources/Private/Language/locallang_tsdebug.xlf:module.shortinfo'
+            ),
+            $messageCount
+        );
+    }
+
+    /**
+     * @return TimeTracker
+     */
+    protected function getTimeTracker(): TimeTracker
+    {
+        return GeneralUtility::makeInstance(TimeTracker::class);
+    }
+}