first commit

typo3/sysext/about/Classes/Controller/AboutController.php

@@ -0,0 +1,169 @@
+<?php
+namespace TYPO3\CMS\About\Controller;
+
+/*
+ * 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 TYPO3\CMS\Backend\Module\ModuleLoader;
+use TYPO3\CMS\Backend\Template\ModuleTemplate;
+use TYPO3\CMS\Backend\Utility\BackendUtility;
+use TYPO3\CMS\Core\Http\HtmlResponse;
+use TYPO3\CMS\Core\Package\PackageManager;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Fluid\View\StandaloneView;
+use TYPO3Fluid\Fluid\View\ViewInterface;
+
+/**
+ * Module 'about' shows some standard information for TYPO3 CMS:
+ * About-text, version number, available modules and so on.
+ *
+ * @internal This is a specific Backend Controller implementation and is not considered part of the Public TYPO3 API.
+ */
+class AboutController
+{
+    /**
+     * ModuleTemplate object
+     *
+     * @var ModuleTemplate
+     */
+    protected $moduleTemplate;
+
+    /**
+     * @var ViewInterface
+     */
+    protected $view;
+
+    /**
+     * Main action: Show standard information
+     *
+     * @return ResponseInterface the HTML output
+     */
+    public function indexAction(): ResponseInterface
+    {
+        $this->moduleTemplate = GeneralUtility::makeInstance(ModuleTemplate::class);
+        $this->initializeView('index');
+        $warnings = [];
+        // Hook for additional warnings
+        foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_befunc.php']['displayWarningMessages'] ?? [] as $className) {
+            $hookObj = GeneralUtility::makeInstance($className);
+            if (method_exists($hookObj, 'displayWarningMessages_postProcess')) {
+                $hookObj->displayWarningMessages_postProcess($warnings);
+            }
+        }
+
+        $this->view->assignMultiple([
+            'copyrightYear' => TYPO3_copyright_year,
+            'donationUrl' => TYPO3_URL_DONATE,
+            'currentVersion' => TYPO3_version,
+            'loadedExtensions' => $this->getLoadedExtensions(),
+            'copyRightNotice' => BackendUtility::TYPO3_copyRightNotice(),
+            'warnings' => $warnings,
+            'modules' => $this->getModulesData()
+        ]);
+
+        $this->moduleTemplate->setContent($this->view->render());
+        return new HtmlResponse($this->moduleTemplate->renderContent());
+    }
+
+    /**
+     * Create array with data of all main modules (Web, File, ...)
+     * and its nested sub modules
+     *
+     * @return array
+     */
+    protected function getModulesData(): array
+    {
+        $loadedModules = GeneralUtility::makeInstance(ModuleLoader::class);
+        $loadedModules->observeWorkspaces = true;
+        $loadedModules->load($GLOBALS['TBE_MODULES']);
+        $mainModulesData = [];
+        foreach ($loadedModules->modules as $moduleName => $moduleInfo) {
+            $moduleLabels = $loadedModules->getLabelsForModule($moduleName);
+            $mainModuleData = [
+                'name'  => $moduleName,
+                'label' => $moduleLabels['title']
+            ];
+            if (is_array($moduleInfo['sub']) && !empty($moduleInfo['sub'])) {
+                $mainModuleData['subModules'] = $this->getSubModuleData($loadedModules, $moduleName);
+            }
+            $mainModulesData[] = $mainModuleData;
+        }
+        return $mainModulesData;
+    }
+
+    /**
+     * Create array with data of all subModules of a specific main module
+     *
+     * @param ModuleLoader $loadedModules the module loader instance
+     * @param string $moduleName Name of the main module
+     * @return array
+     */
+    protected function getSubModuleData(ModuleLoader $loadedModules, $moduleName): array
+    {
+        if (empty($loadedModules->modules[$moduleName]['sub'])) {
+            return [];
+        }
+
+        $subModulesData = [];
+        foreach ($loadedModules->modules[$moduleName]['sub'] as $subModuleName => $subModuleInfo) {
+            $moduleLabels = $loadedModules->getLabelsForModule($moduleName . '_' . $subModuleName);
+            $subModuleData = [];
+            $subModuleData['name'] = $subModuleName;
+            $subModuleData['icon'] = $subModuleInfo['icon'] ?? null;
+            $subModuleData['iconIdentifier'] = $subModuleInfo['iconIdentifier'] ?? null;
+            $subModuleData['label'] = $moduleLabels['title'] ?? null;
+            $subModuleData['shortDescription'] = $moduleLabels['shortdescription'] ?? null;
+            $subModuleData['longDescription'] = $moduleLabels['description'] ?? null;
+            $subModulesData[] = $subModuleData;
+        }
+        return $subModulesData;
+    }
+
+    /**
+     * Fetches a list of all active (loaded) extensions in the current system
+     *
+     * @return array
+     */
+    protected function getLoadedExtensions(): array
+    {
+        $extensions = [];
+        $packageManager = GeneralUtility::makeInstance(PackageManager::class);
+        foreach ($packageManager->getActivePackages() as $package) {
+            // Skip system extensions (= type: typo3-cms-framework)
+            if ($package->getValueFromComposerManifest('type') !== 'typo3-cms-extension') {
+                continue;
+            }
+            $extensions[] = [
+                'key' => $package->getPackageKey(),
+                'title' => $package->getPackageMetaData()->getDescription(),
+                'authors' => $package->getValueFromComposerManifest('authors')
+            ];
+        }
+        return $extensions;
+    }
+
+    /**
+     * Initializes the view by setting the templateName
+     *
+     * @param string $templateName
+     */
+    protected function initializeView(string $templateName)
+    {
+        $this->view = GeneralUtility::makeInstance(StandaloneView::class);
+        $this->view->setTemplate($templateName);
+        $this->view->setTemplateRootPaths(['EXT:about/Resources/Private/Templates/About']);
+        $this->view->setPartialRootPaths(['EXT:about/Resources/Private/Partials']);
+        $this->view->setLayoutRootPaths(['EXT:about/Resources/Private/Layouts']);
+    }
+}