TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:27 +02:00
commit 44c503b2d1
233 changed files with 31556 additions and 0 deletions
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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\EventDispatcher\EventDispatcherInterface;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\MiddlewareInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+use Psr\Log\LoggerInterface;
+use Symfony\Component\RateLimiter\LimiterInterface;
+use TYPO3\CMS\Core\Authentication\Event\AfterUserLoggedInEvent;
+use TYPO3\CMS\Core\Context\Context;
+use TYPO3\CMS\Core\RateLimiter\RateLimiterFactoryInterface;
+use TYPO3\CMS\Core\RateLimiter\RequestRateLimitedException;
+use TYPO3\CMS\Core\Session\UserSessionManager;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Core\Utility\HttpUtility;
+use TYPO3\CMS\Frontend\Authentication\FrontendUserAuthentication;
+
+/**
+ * This middleware authenticates a Frontend User (fe_users).
+ */
+readonly class FrontendUserAuthenticator implements MiddlewareInterface
+{
+    public function __construct(
+        protected Context $context,
+        protected RateLimiterFactoryInterface $rateLimiterFactory,
+        protected EventDispatcherInterface $eventDispatcher,
+        protected LoggerInterface $logger,
+    ) {}
+
+    /**
+     * Creates a frontend user authentication object, tries to authenticate a user and stores
+     * it in the current request as attribute.
+     */
+    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
+    {
+        $frontendUser = GeneralUtility::makeInstance(FrontendUserAuthentication::class);
+
+        // Rate Limiting
+        $rateLimiter = $this->ensureLoginRateLimit($frontendUser, $request);
+
+        // Authenticate now
+        $frontendUser->start($request);
+        // no matter if we have an active user we try to fetch matching groups which can
+        // be set without an user (simulation for instance!)
+        $frontendUser->fetchGroupData($request);
+
+        // Register the frontend user as aspect and within the request
+        $this->context->setAspect('frontend.user', $frontendUser->createUserAspect());
+        $request = $request->withAttribute('frontend.user', $frontendUser);
+
+        if ($this->context->getAspect('frontend.user')->isLoggedIn() && $rateLimiter) {
+            $rateLimiter->reset();
+            $this->eventDispatcher->dispatch(new AfterUserLoggedInEvent($frontendUser, $request));
+        }
+
+        $response = $handler->handle($request);
+
+        // Store session data for fe_users
+        $frontendUser->storeSessionData();
+        $response = $frontendUser->appendCookieToResponse($response, $request->getAttribute('normalizedParams'));
+        // Collect garbage in Frontend requests, which aren't fully cacheable (e.g. with cookies)
+        if ($response->hasHeader('Set-Cookie')) {
+            $this->sessionGarbageCollection();
+        }
+
+        return $response;
+    }
+
+    /**
+     * Garbage collection for fe_sessions (with a probability)
+     */
+    protected function sessionGarbageCollection(): void
+    {
+        UserSessionManager::create('FE')->collectGarbage();
+    }
+
+    protected function ensureLoginRateLimit(FrontendUserAuthentication $user, ServerRequestInterface $request): ?LimiterInterface
+    {
+        if (!$user->isActiveLogin($request)) {
+            return null;
+        }
+        $loginRateLimiter = $this->rateLimiterFactory->createLoginRateLimiter($request, $user->loginType);
+        $limit = $loginRateLimiter->consume();
+        if (!$limit->isAccepted()) {
+            $this->logger->debug('Login request has been rate limited for IP address {ipAddress}', ['ipAddress' => $request->getAttribute('normalizedParams')->getRemoteAddress()]);
+            $dateformat = $GLOBALS['TYPO3_CONF_VARS']['SYS']['ddmmyy'] . ' ' . $GLOBALS['TYPO3_CONF_VARS']['SYS']['hhmm'];
+            $lockedUntil = $limit->getRetryAfter()->getTimestamp() > 0
+                ? ' until ' . date($dateformat, $limit->getRetryAfter()->getTimestamp()) : '';
+            throw new RequestRateLimitedException(
+                HttpUtility::HTTP_STATUS_403,
+                'The login is locked' . $lockedUntil . ' due to too many failed login attempts from your IP address.',
+                'Login Request Rate Limited',
+                1616175847
+            );
+        }
+        return $loginRateLimiter;
+    }
+}