first commit

typo3/sysext/adminpanel/Classes/Utility/StateUtility.php

@@ -0,0 +1,69 @@
+<?php
+declare(strict_types = 1);
+
+namespace TYPO3\CMS\Adminpanel\Utility;
+
+/*
+ * 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\Backend\FrontendBackendUserAuthentication;
+
+/**
+ * Helper class to check if the admin panel is enabled and active from outside
+ *
+ * Useful for initialization, checks in early hooks or middleware implementations
+ */
+class StateUtility
+{
+    /**
+     * Checks if adminPanel was configured to be shown
+     *
+     * @return bool
+     */
+    public static function isActivatedForUser(): bool
+    {
+        $beUser = $GLOBALS['BE_USER'] ?? null;
+        if ($beUser instanceof FrontendBackendUserAuthentication) {
+            $adminPanelConfiguration = $beUser->getTSConfig()['admPanel.'] ?? [];
+            // set legacy config
+            $beUser->extAdminConfig = $adminPanelConfiguration;
+            if (isset($adminPanelConfiguration['enable.'])) {
+                // only enabled if at least one module is enabled.
+                return (bool)array_filter($adminPanelConfiguration['enable.']);
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Returns true if admin panel was activated
+     * (switched "on" via GUI)
+     *
+     * @return bool
+     */
+    public static function isOpen(): bool
+    {
+        $beUser = $GLOBALS['BE_USER'] ?? null;
+        return (bool)($beUser->uc['AdminPanel']['display_top'] ?? false);
+    }
+
+    public static function isActivatedInTypoScript(): bool
+    {
+        return (bool)($GLOBALS['TSFE']->config['config']['admPanel'] ?? false);
+    }
+
+    public static function isHiddenForUser(): bool
+    {
+        return (bool)($GLOBALS['BE_USER']->extAdminConfig['hide'] ?? false);
+    }
+}