SiteResolver.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\Frontend\Middleware;
 
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;
use ‪TYPO3\CMS\Core\Localization\Locales;
use ‪TYPO3\CMS\Core\Routing\SiteMatcher;
use ‪TYPO3\CMS\Core\Routing\SiteRouteResult;
use ‪TYPO3\CMS\Core\Site\Entity\SiteLanguage;
 
class ‪SiteResolver implements MiddlewareInterface
{
    public function ‪__construct(protected readonly ‪SiteMatcher $matcher) {}
 
    public function ‪process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
    {
        $routeResult = $this->matcher->matchRequest($request);
        $request = $request->withAttribute('site', $routeResult->getSite());
        $request = $request->withAttribute('language', $routeResult->getLanguage());
        $request = $request->withAttribute('routing', $routeResult);
        if ($routeResult->getLanguage() instanceof ‪SiteLanguage) {
            ‪Locales::setSystemLocaleFromSiteLanguage($routeResult->getLanguage());
        }
        return $handler->handle($request);
    }
}