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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\Beuser\ViewHelpers;
use TYPO3\CMS\Beuser\Domain\Model\BackendUser;
use TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
use TYPO3\CMS\Core\Imaging\Icon;
use TYPO3\CMS\Core\Imaging\IconFactory;
use TYPO3\CMS\Core\Localization\LanguageService;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractTagBasedViewHelper;
/**
* Displays 'SwitchUser' button to change current backend user to target backend user.
*
* @internal
*/
final class SwitchUserViewHelper extends AbstractTagBasedViewHelper
{
/**
* @var string
*/
protected $tagName = 'typo3-backend-switch-user';
public function initializeArguments(): void
{
parent::initializeArguments();
$this->registerArgument('backendUser', BackendUser::class, 'Target backendUser to switch active session to', true);
$this->registerUniversalTagAttributes();
}
public function render(): string
{
$targetUser = $this->arguments['backendUser'];
$currentUser = self::getBackendUserAuthentication();
$iconFactory = GeneralUtility::makeInstance(IconFactory::class);
if ((int)$targetUser->getUid() === (int)($currentUser->user[$currentUser->userid_column] ?? 0)
|| !$targetUser->isActive()
|| !$currentUser->isAdmin()
|| $currentUser->getOriginalUserIdWhenInSwitchUserMode() !== null
) {
$this->tag->setTagName('span');
$this->tag->addAttribute('class', $this->tag->getAttribute('class') . ' disabled');
$this->tag->addAttribute('disabled', 'disabled');
$this->tag->setContent($iconFactory->getIcon('empty-empty', Icon::SIZE_SMALL)->render());
} else {
$this->tag->addAttribute('title', self::getLanguageService()->sL('LLL:EXT:beuser/Resources/Private/Language/locallang.xlf:switchBackMode'));
$this->tag->addAttribute('targetUser', (string)$targetUser->getUid());
$this->tag->setContent($iconFactory->getIcon('actions-system-backend-user-switch', Icon::SIZE_SMALL)->render());
}
$this->tag->forceClosingTag(true);
return $this->tag->render();
}
protected static function getBackendUserAuthentication(): BackendUserAuthentication
{
return $GLOBALS['BE_USER'];
}
protected static function getLanguageService(): LanguageService
{
return $GLOBALS['LANG'];
}
}