TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:20 +02:00
commit c7a46689ff
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+<?php
+
+declare(strict_types=1);
+
+/*
+ * 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!
+ */
+
+namespace TYPO3\CMS\Fluid\ViewHelpers\Security;
+
+use TYPO3\CMS\Core\Context\Context;
+use TYPO3\CMS\Core\Context\UserAspect;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;
+use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractConditionViewHelper;
+
+/**
+ * ViewHelper implementing an ifHasRole/else condition for frontend groups.
+ *
+ * ```
+ *   <f:security.ifHasRole role="Administrator">
+ *        <f:then>
+ *           This is being shown in case you have the role.
+ *        </f:then>
+ *        <f:else>
+ *           This is being displayed in case you do not have the role.
+ *        </f:else>
+ *   </f:security.ifHasRole>
+ * ```
+ *
+ * @see https://docs.typo3.org/permalink/t3viewhelper:typo3-fluid-security-ifhasrole
+ */
+final class IfHasRoleViewHelper extends AbstractConditionViewHelper
+{
+    /**
+     * Initializes the "role" argument.
+     * Renders <f:then> child if the current logged in FE user belongs to the specified role (aka usergroup)
+     * otherwise renders <f:else> child.
+     */
+    public function initializeArguments(): void
+    {
+        parent::initializeArguments();
+        $this->registerArgument('role', 'string', 'The usergroup (either the usergroup uid or its title).');
+    }
+
+    public static function verdict(array $arguments, RenderingContextInterface $renderingContext): bool
+    {
+        $role = $arguments['role'];
+        /** @var UserAspect $userAspect */
+        $userAspect = GeneralUtility::makeInstance(Context::class)->getAspect('frontend.user');
+        if (!$userAspect->isLoggedIn()) {
+            return false;
+        }
+        if (is_numeric($role)) {
+            $groupIds = $userAspect->getGroupIds();
+            return in_array((int)$role, $groupIds, true);
+        }
+        return in_array($role, $userAspect->getGroupNames(), true);
+    }
+}