ServerRequestHandler.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\FrontendLogin\Redirect;
 
use Psr\Http\Message\ServerRequestInterface;
use ‪TYPO3\CMS\Core\Site\SiteFinder;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
use ‪TYPO3\CMS\FrontendLogin\Validation\RedirectUrlValidator;
 
class ‪ServerRequestHandler
{
    protected ‪$redirectUrlValidator;
 
    protected ‪$request;
 
    public function ‪__construct()
    {
        // todo: refactor when extbase handles PSR-15 requests
        $this->request = ‪$GLOBALS['TYPO3_REQUEST'];
        $this->redirectUrlValidator = GeneralUtility::makeInstance(
            RedirectUrlValidator::class,
            GeneralUtility::makeInstance(SiteFinder::class)
        );
    }
 
    public function ‪getPropertyFromGetAndPost(string $propertyName)
    {
        return $this->request->getParsedBody()[$propertyName] ?? $this->request->getQueryParams(
        )[$propertyName] ?? null;
    }
 
    public function ‪getHttpReferrer(): string
    {
        return $this->request->getServerParams()['HTTP_REFERER'] ?? '';
    }
 
    public function ‪getRedirectUrlRequestParam(): string
    {
        // If config.typolinkLinkAccessRestrictedPages is set, the var is return_url
        $redirectUrl = (string)$this->‪getPropertyFromGetAndPost('return_url')
            ?: (string)$this->‪getPropertyFromGetAndPost('redirect_url');
 
        return $this->redirectUrlValidator->isValid($redirectUrl) ? $redirectUrl : '';
    }
}