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