79 lines
2.7 KiB
PHP
79 lines
2.7 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* This file is part of the TYPO3 CMS project.
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*
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* It is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, either version 2
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* of the License, or any later version.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*
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* The TYPO3 project - inspiring people to share!
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*/
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namespace TYPO3\CMS\Backend\Controller\Wizard;
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use Psr\Http\Message\ResponseInterface;
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use Psr\Http\Message\ServerRequestInterface;
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use TYPO3\CMS\Backend\Attribute\AsController;
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use TYPO3\CMS\Backend\View\BackendViewFactory;
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use TYPO3\CMS\Core\Crypto\HashService;
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use TYPO3\CMS\Core\Http\HtmlResponse;
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use TYPO3\CMS\Core\Resource\Exception\FileDoesNotExistException;
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use TYPO3\CMS\Core\Resource\ResourceFactory;
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use TYPO3\CMS\Core\Utility\MathUtility;
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/**
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* Wizard for rendering image manipulation view
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* @internal This class is a specific Backend controller implementation and is not considered part of the Public TYPO3 API.
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*/
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#[AsController]
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readonly class ImageManipulationController
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{
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public function __construct(
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protected BackendViewFactory $backendViewFactory,
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protected HashService $hashService,
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protected ResourceFactory $resourceFactory,
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) {}
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/**
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* Returns the HTML for the wizard inside the modal
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*/
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public function getWizardContent(ServerRequestInterface $request): ResponseInterface
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{
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if ($this->isSignatureValid($request)) {
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$parsedBody = json_decode($request->getParsedBody()['arguments'], true);
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$fileUid = $parsedBody['image'];
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$image = null;
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if (MathUtility::canBeInterpretedAsInteger($fileUid)) {
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try {
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$image = $this->resourceFactory->getFileObject($fileUid);
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} catch (FileDoesNotExistException $e) {
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}
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}
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$view = $this->backendViewFactory->create($request);
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$view->assignMultiple([
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'image' => $image,
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'cropVariants' => $parsedBody['cropVariants'],
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]);
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return new HtmlResponse($view->render('Form/ImageManipulationWizard'));
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}
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return new HtmlResponse('', 403);
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}
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/**
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* Check if hmac signature is correct
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*
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* @param ServerRequestInterface $request the request with the POST parameters
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*/
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protected function isSignatureValid(ServerRequestInterface $request): bool
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{
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$token = $this->hashService->hmac($request->getParsedBody()['arguments'], 'ajax_wizard_image_manipulation');
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return hash_equals($token, $request->getParsedBody()['signature']);
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}
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}
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