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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\Core\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\Type\Icon\IconState;
use TYPO3\CMS\Core\Utility\GeneralUtility;
/**
* Controller for icon handling
*
* @internal
*/
class IconController
{
/**
* @var IconRegistry
*/
protected $iconRegistry;
/**
* @var IconFactory
*/
protected $iconFactory;
/**
* Set up dependencies
*/
public function __construct()
{
$this->iconRegistry = GeneralUtility::makeInstance(IconRegistry::class);
$this->iconFactory = GeneralUtility::makeInstance(IconFactory::class);
}
/**
* @internal
*/
public function getCacheIdentifier(): ResponseInterface
{
return new HtmlResponse(sha1($this->iconRegistry->getBackendIconsCacheIdentifier()));
}
/**
* @internal
*/
public function getIcon(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;
}
$iconState = IconState::cast($iconState);
$icon = $this->iconFactory->getIcon($identifier, $size, $overlayIdentifier, $iconState);
return new HtmlResponse($icon->render($alternativeMarkupIdentifier));
}
}