62 lines
2.4 KiB
PHP
62 lines
2.4 KiB
PHP
<?php
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declare(strict_types = 1);
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namespace TYPO3\CMS\Backend\Middleware;
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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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use Psr\Http\Message\ResponseInterface;
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use Psr\Http\Message\ServerRequestInterface;
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use Psr\Http\Server\MiddlewareInterface;
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use Psr\Http\Server\RequestHandlerInterface;
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use TYPO3\CMS\Backend\Utility\BackendUtility;
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use TYPO3\CMS\Core\Routing\SiteMatcher;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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use TYPO3\CMS\Core\Utility\MathUtility;
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/**
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* Usually called after the route object is resolved, however, this is not possible yet as this happens
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* within the RequestHandler/RouteDispatcher right now and should go away.
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*
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* This middleware checks for a "id" parameter. If present, it adds a site information to this page ID.
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*
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* Very useful for all "Web" related modules to resolve all available languages for a site.
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*/
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class SiteResolver implements MiddlewareInterface
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{
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/**
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* Resolve the site information by checking the page ID ("id" parameter) which is typically used in BE modules
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* of type "web".
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*
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* @param ServerRequestInterface $request
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* @param RequestHandlerInterface $handler
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* @return ResponseInterface
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*/
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
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{
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$pageId = ($request->getQueryParams()['id'] ?? $request->getParsedBody()['id'] ?? 0);
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// Check if we have a numeric _GET/_POST parameter for "id", then a site information can be resolved based.
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if (MathUtility::canBeInterpretedAsInteger($pageId)) {
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$pageId = (int)$pageId;
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$rootLine = null;
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if ($pageId > 0) {
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$rootLine = BackendUtility::BEgetRootLine($pageId);
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}
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$site = GeneralUtility::makeInstance(SiteMatcher::class)->matchByPageId($pageId, $rootLine);
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$request = $request->withAttribute('site', $site);
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$GLOBALS['TYPO3_REQUEST'] = $request;
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}
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return $handler->handle($request);
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}
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}
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