81 lines
2.3 KiB
PHP
81 lines
2.3 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\Module;
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use Psr\Http\Message\ServerRequestInterface;
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use TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
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/**
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* Resolves the current module from a request.
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*
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* This service provides a centralized way to determine which backend module
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* is currently active based on various request attributes and parameters.
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*
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* @internal This class is not part of TYPO3's public API.
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*/
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final readonly class ModuleResolver
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{
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public function __construct(
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private ModuleProvider $moduleProvider,
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) {}
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/**
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* Resolves the current module from a request.
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*
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* Checks multiple sources in order:
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* 1. Routing attribute (from route configuration)
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* 2. Request attribute 'module'
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* 3. Query parameter 'module'
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*
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* @param ServerRequestInterface|null $request The current request
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* @return ModuleInterface|null The resolved module or null if not found
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*/
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public function resolveModule(?ServerRequestInterface $request): ?ModuleInterface
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{
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if ($request === null) {
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return null;
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}
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// Check routing attribute first
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$routeResult = $request->getAttribute('routing');
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$currentModule = $routeResult?->getRoute()?->getOption('module');
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if ($currentModule !== null) {
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return $currentModule;
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}
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// Check request attribute
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$currentModule = $request->getAttribute('module');
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if ($currentModule !== null) {
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return $currentModule;
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}
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// Check query parameter
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if (isset($request->getQueryParams()['module'])) {
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$module = (string)$request->getQueryParams()['module'];
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return $this->moduleProvider->getModule($module, $this->getBackendUser());
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}
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return null;
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}
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private function getBackendUser(): BackendUserAuthentication
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{
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return $GLOBALS['BE_USER'];
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}
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}
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