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<?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\Middleware; |
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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\RequestHandlerInterface; |
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use TYPO3\CMS\Backend\Routing\Route; |
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use TYPO3\CMS\Backend\Routing\UriBuilder; |
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use TYPO3\CMS\Core\Authentication\BackendUserAuthentication; |
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use TYPO3\CMS\Core\Http\ImmediateResponseException; |
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use TYPO3\CMS\Core\Http\RedirectResponse; |
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use TYPO3\CMS\Core\Localization\LanguageService; |
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use TYPO3\CMS\Core\Session\UserSessionManager; |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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/** |
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* Initializes the backend user authentication object (BE_USER) and the global LANG object. |
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* |
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* @internal |
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*/ |
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class BackendUserAuthenticator extends \TYPO3\CMS\Core\Middleware\BackendUserAuthenticator |
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{ |
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/** |
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* List of requests that don't need a valid BE user |
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* |
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* @var array |
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*/ |
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protected $publicRoutes = [ |
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'/login', |
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'/login/frame', |
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'/login/password-reset/forget', |
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'/login/password-reset/initiate-reset', |
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'/login/password-reset/validate', |
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'/login/password-reset/finish', |
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'/ajax/login', |
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'/ajax/logout', |
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'/ajax/login/refresh', |
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'/ajax/login/timedout', |
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'/ajax/rsa/publickey', |
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'/ajax/core/requirejs', |
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]; |
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/** |
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* Calls the bootstrap process to set up $GLOBALS['BE_USER'] AND $GLOBALS['LANG'] |
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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 $handler): ResponseInterface |
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{ |
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$route = $request->getAttribute('route'); |
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// The global must be available very early, because methods below |
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// might trigger code which relies on it. See: #45625 |
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$GLOBALS['BE_USER'] = GeneralUtility::makeInstance(BackendUserAuthentication::class); |
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$GLOBALS['BE_USER']->start(); |
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// Register the backend user as aspect and initializing workspace once for TSconfig conditions |
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$this->setBackendUserAspect($GLOBALS['BE_USER'], (int)$GLOBALS['BE_USER']->user['workspace_id']); |
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if ($this->isLoggedInBackendUserRequired($route) && !$this->context->getAspect('backend.user')->isLoggedIn()) { |
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$uri = GeneralUtility::makeInstance(UriBuilder::class)->buildUriFromRoute('login'); |
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$response = new RedirectResponse($uri); |
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return $this->enrichResponseWithHeadersAndCookieInformation($response, $GLOBALS['BE_USER']); |
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} |
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try { |
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$proceedIfNoUserIsLoggedIn = $this->isLoggedInBackendUserRequired($route) === false; |
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// @todo: Ensure that the runtime exceptions are caught |
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$GLOBALS['BE_USER']->backendCheckLogin($proceedIfNoUserIsLoggedIn); |
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$GLOBALS['LANG'] = LanguageService::createFromUserPreferences($GLOBALS['BE_USER']); |
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// Re-setting the user and take the workspace from the user object now |
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$this->setBackendUserAspect($GLOBALS['BE_USER']); |
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$response = $handler->handle($request); |
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$this->sessionGarbageCollection(); |
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} catch (ImmediateResponseException $e) { |
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$response = $this->enrichResponseWithHeadersAndCookieInformation( |
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$e->getResponse(), |
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$GLOBALS['BE_USER'] |
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); |
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// Re-throw this exception |
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throw new ImmediateResponseException($response, $e->getCode()); |
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} |
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return $this->enrichResponseWithHeadersAndCookieInformation($response, $GLOBALS['BE_USER']); |
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} |
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/** |
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* Backend requests should always apply Set-Cookie information and never be cacheable. |
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* This is also needed if there is a redirect from somewhere in the code. |
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* |
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* @param ResponseInterface $response |
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* @param BackendUserAuthentication|null $userAuthentication |
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* @return ResponseInterface |
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* @throws \TYPO3\CMS\Core\Context\Exception\AspectNotFoundException |
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*/ |
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protected function enrichResponseWithHeadersAndCookieInformation( |
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ResponseInterface $response, |
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?BackendUserAuthentication $userAuthentication |
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): ResponseInterface { |
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if ($userAuthentication) { |
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// If no backend user is logged-in, the cookie should be removed |
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if (!$this->context->getAspect('backend.user')->isLoggedIn()) { |
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$userAuthentication->removeCookie(); |
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} |
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// Ensure to always apply a cookie |
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$response = $userAuthentication->appendCookieToResponse($response); |
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} |
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// Additional headers to never cache any PHP request should be sent at any time when |
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// accessing the TYPO3 Backend |
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$response = $this->applyHeadersToResponse($response); |
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return $response; |
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} |
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/** |
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* Garbage collection for be_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('BE')->collectGarbage(); |
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} |
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/** |
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* Check if the user is required for the request. |
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* If we're trying to do a login or an ajax login, don't require a user. |
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* |
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* @param Route $route the Route path to check against, something like ' |
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* @return bool true when the Route requires an authenticated backend user |
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*/ |
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protected function isLoggedInBackendUserRequired(Route $route): bool |
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{ |
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return in_array($route->getPath(), $this->publicRoutes, true) === false; |
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} |
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} |
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TYPO3 /
TYPO3.CMS
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