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<?php |
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/* |
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* Copyright (C) 2020-2022 Jan Böhmer |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as published |
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* by the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <https://www.gnu.org/licenses/>. |
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*/ |
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namespace App\EventSubscriber\UserSystem; |
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use App\Entity\User; |
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use App\Services\UserSystem\EnforceTFARedirectHelper; |
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use EasyCorp\Bundle\EasyAdminBundle\Router\AdminUrlGenerator; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\Session\Session; |
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use Symfony\Component\HttpFoundation\Session\SessionInterface; |
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use Symfony\Component\HttpKernel\Event\RequestEvent; |
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use Symfony\Component\HttpKernel\KernelEvents; |
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use Symfony\Component\Security\Core\Security; |
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use Symfony\Component\Security\Http\HttpUtils; |
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class EnforceTFAOrPasswordChangeSubscriber implements EventSubscriberInterface |
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{ |
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/** |
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* @var string[] The routes the user is allowed to access without being redirected. |
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* This should be only routes related to login/logout and user settings |
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*/ |
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public const ALLOWED_ROUTES = [ |
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'user_settings', |
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'app_login', |
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'2fa_login', |
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'2fa_login_check', |
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'logout', |
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]; |
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/** |
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* @var string The route the user will redirected to, if he needs to change this password |
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*/ |
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public const REDIRECT_TARGET = 'user_settings'; |
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private $security; |
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private $flashBag; |
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private $httpUtils; |
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private $TFARedirectHelper; |
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private $adminUrlGenerator; |
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public function __construct(Security $security, SessionInterface $session, HttpUtils $httpUtils, EnforceTFARedirectHelper $TFARedirectHelper, AdminUrlGenerator $adminUrlGenerator) |
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{ |
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/** @var Session $session */ |
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$this->security = $security; |
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$this->flashBag = $session->getFlashBag(); |
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$this->httpUtils = $httpUtils; |
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$this->TFARedirectHelper = $TFARedirectHelper; |
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$this->adminUrlGenerator = $adminUrlGenerator; |
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} |
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/** |
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* This function is called when the kernel encounters a request. |
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* It checks if the user must change its password or add an 2FA mehtod and redirect it to the user settings page, |
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* if needed. |
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*/ |
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public function redirectToSettingsIfNeeded(RequestEvent $event): void |
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{ |
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$user = $this->security->getUser(); |
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$request = $event->getRequest(); |
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if (!$event->isMainRequest()) { |
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return; |
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} |
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//If the user is not an User entity skip this handler |
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if (!$user instanceof User) { |
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return; |
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} |
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$tfa_redirect_needed = $this->TFARedirectHelper->doesUserNeedRedirectForTFAEnforcement($user); |
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//Abort if we dont need to redirect the user. |
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if (!$user->isPasswordChangeNeeded() && !$tfa_redirect_needed) { |
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return; |
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} |
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//Check for a whitelisted URL |
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if ($this->checkIfAllowedPath($request)) { |
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return; |
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} |
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//Show appropriate message to user about the reason he was redirected |
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if ($user->isPasswordChangeNeeded()) { |
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$this->flashBag->add('warning', 'user.pw_change_needed.flash'); |
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} |
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if ($tfa_redirect_needed) { |
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$this->flashBag->add('warning', 'user.2fa_needed.flash'); |
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} |
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$event->setResponse($this->httpUtils->createRedirectResponse($request, |
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$this->adminUrlGenerator->setRoute(static::REDIRECT_TARGET)->generateUrl() |
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)); |
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} |
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public static function getSubscribedEvents(): array |
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{ |
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return [ |
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KernelEvents::REQUEST => 'redirectToSettingsIfNeeded', |
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]; |
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} |
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private function checkIfAllowedPath(Request $request): bool |
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{ |
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foreach (static::ALLOWED_ROUTES as $route) { |
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//Check for "normal" (not ea admin routes) |
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if ( $this->httpUtils->checkRequestPath($request, $route)) { |
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return true; |
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} |
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//Check for routes accessed using admin context |
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if ($this->httpUtils->checkRequestPath($request, 'admin_dashboard') |
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&& $request->query->get('routeName', '') === $route) { |
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return true; |
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} |
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} |
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return false; |
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} |
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} |
jbtronics /
StuRa-Finanzsoftware
