Files
cms-fluid/Classes/ViewHelpers/Security/IfHasRoleViewHelper.php
T

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PHP

<?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);
}
}