IconController.php

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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\Install\Controller;
 
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use ‪TYPO3\CMS\Core\Http\HtmlResponse;
use ‪TYPO3\CMS\Core\Imaging\IconFactory;
use ‪TYPO3\CMS\Core\Imaging\IconRegistry;
use ‪TYPO3\CMS\Core\Imaging\IconState;
 
class ‪IconController extends ‪AbstractController
{
    public function ‪__construct(
        protected readonly ‪IconRegistry $iconRegistry,
        protected readonly ‪IconFactory $iconFactory
    ) {}
 
    public function ‪getCacheIdentifierAction(): ResponseInterface
    {
        return new ‪HtmlResponse($this->iconRegistry->getBackendIconsCacheIdentifier());
    }
 
    public function ‪getIconAction(ServerRequestInterface $request): ResponseInterface
    {
        $parsedBody = $request->getParsedBody();
        $queryParams = $request->getQueryParams();
        $requestedIcon = json_decode($parsedBody['icon'] ?? $queryParams['icon'], true);
 
        [‪$identifier, $size, $overlayIdentifier, $iconState, $alternativeMarkupIdentifier] = $requestedIcon;
 
        if (empty($overlayIdentifier)) {
            $overlayIdentifier = null;
        }
 
        $iconState = IconState::tryFrom($iconState);
        $icon = $this->iconFactory->getIcon(‪$identifier, $size, $overlayIdentifier, $iconState);
 
        return new ‪HtmlResponse($icon->render($alternativeMarkupIdentifier));
    }
}