Initial commit - Typo3 11.5.41

typo3conf/ext/sr_freecap/Classes/Middleware/EidHandler.php

@@ -0,0 +1,85 @@
+<?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 SJBR\SrFreecap\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\Http\DispatcherInterface;
+use TYPO3\CMS\Core\Http\NullResponse;
+use TYPO3\CMS\Core\Http\Response;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+
+/**
+ * Lightweight alternative to regular frontend requests; used when $_GET[eID] is set.
+ * In the future, logic from the EidUtility will be moved to this class, however in most cases
+ * a custom PSR-15 middleware will be better suited for whatever job the eID functionality does currently.
+ *
+ * @internal
+ */
+class EidHandler implements MiddlewareInterface
+{
+    /**
+     * @var DispatcherInterface
+     */
+    protected $dispatcher;
+
+	/**
+	 * @param DispatcherInterface $dispatcher
+	 */
+	public function __construct(DispatcherInterface $dispatcher)
+	{
+		$this->dispatcher = $dispatcher;
+	}
+	
+    /**
+     * Dispatches the request to the corresponding eID class or eID script
+     *
+     * @param ServerRequestInterface $request
+     * @param RequestHandlerInterface $handler
+     * @return ResponseInterface
+     */
+    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
+    {
+        $eID = $request->getParsedBody()['eIDSR'] ?? $request->getQueryParams()['eIDSR'] ?? null;
+
+        if ($eID === null) {
+            return $handler->handle($request);
+        }
+
+        // Remove any output produced until now
+        ob_clean();
+
+        /** @var Response $response */
+        $response = new Response();
+        if (empty($eID) || !isset($GLOBALS['TYPO3_CONF_VARS']['EXTENSIONS']['sr_freecap']['eIDSR_include'][$eID])) {
+            $response = $response->withStatus(404, 'eIDSR not registered');
+        } else {
+            $configuration = $GLOBALS['TYPO3_CONF_VARS']['EXTENSIONS']['sr_freecap']['eIDSR_include'][$eID];
+            $response = new NullResponse();
+            // Simple check to make sure that it's not an absolute file (to use the fallback)
+            if (strpos($configuration, '::') !== false || is_callable($configuration)) {
+                $frontendUser = $request->getAttribute('frontend.user');
+                $request = $request->withAttribute('target', $configuration);
+                $response = $this->dispatcher->dispatch($request);
+            }
+        }
+        return $response;
+    }
+}