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<?php |
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/* For licensing terms, see /license.txt */ |
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declare(strict_types=1); |
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namespace Chamilo\CoreBundle\EventSubscriber; |
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use Chamilo\CoreBundle\Entity\TrackELogin; |
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use Chamilo\CoreBundle\Entity\User; |
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use Chamilo\CoreBundle\Settings\SettingsManager; |
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use DateTime; |
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use Doctrine\ORM\EntityManagerInterface; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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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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class AnonymousUserSubscriber implements EventSubscriberInterface |
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{ |
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private const MAX_ANONYMOUS_USERS = 5; |
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private Security $security; |
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private EntityManagerInterface $entityManager; |
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private SessionInterface $session; |
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private SettingsManager $settingsManager; |
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public function __construct(Security $security, EntityManagerInterface $entityManager, SessionInterface $session, SettingsManager $settingsManager) |
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{ |
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$this->security = $security; |
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$this->entityManager = $entityManager; |
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$this->session = $session; |
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$this->settingsManager = $settingsManager; |
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} |
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public function onKernelRequest(RequestEvent $event): void |
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{ |
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if (null !== $this->security->getUser()) { |
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return; |
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} |
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$request = $event->getRequest(); |
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$userIp = $request->getClientIp(); |
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$anonymousUserId = $this->getOrCreateAnonymousUserId($userIp); |
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if (null !== $anonymousUserId) { |
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$trackLoginRepository = $this->entityManager->getRepository(TrackELogin::class); |
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// Check if a login record already exists for this user and IP |
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$existingLogin = $trackLoginRepository->findOneBy(['userIp' => $userIp, 'user' => $anonymousUserId]); |
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if (!$existingLogin) { |
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// Record the access if it does not exist |
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$trackLogin = new TrackELogin(); |
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$trackLogin->setUserIp($userIp) |
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->setLoginDate(new DateTime()) |
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->setUser($this->entityManager->getReference(User::class, $anonymousUserId)) |
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; |
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$this->entityManager->persist($trackLogin); |
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$this->entityManager->flush(); |
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} |
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$userRepository = $this->entityManager->getRepository(User::class); |
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$user = $userRepository->find($anonymousUserId); |
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if ($user) { |
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// Store user information in the session |
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$userInfo = [ |
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'user_id' => $user->getId(), |
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'username' => $user->getUsername(), |
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'firstname' => $user->getFirstname(), |
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'lastname' => $user->getLastname(), |
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'firstName' => $user->getFirstname(), |
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'lastName' => $user->getLastname(), |
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'email' => $user->getEmail(), |
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'official_code' => $user->getOfficialCode(), |
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'picture_uri' => $user->getPictureUri(), |
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'status' => $user->getStatus(), |
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'active' => $user->getActive(), |
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'auth_source' => $user->getAuthSource(), |
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'theme' => $user->getTheme(), |
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'language' => $user->getLocale(), |
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'registration_date' => $user->getRegistrationDate()->format('Y-m-d H:i:s'), |
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'expiration_date' => $user->getExpirationDate() ? $user->getExpirationDate()->format('Y-m-d H:i:s') : null, |
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'last_login' => $user->getLastLogin() ? $user->getLastLogin()->format('Y-m-d H:i:s') : null, |
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'is_anonymous' => true, |
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]; |
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$this->session->set('_user', $userInfo); |
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} |
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} |
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} |
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public static function getSubscribedEvents() |
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{ |
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return [ |
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KernelEvents::REQUEST => 'onKernelRequest', |
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]; |
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} |
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private function getOrCreateAnonymousUserId(string $userIp): ?int |
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{ |
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$userRepository = $this->entityManager->getRepository(User::class); |
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$trackLoginRepository = $this->entityManager->getRepository(TrackELogin::class); |
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$maxAnonymousUsers = (int) $this->settingsManager->getSetting('admin.max_anonymous_users'); |
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if (0 === $maxAnonymousUsers) { |
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$maxAnonymousUsers = self::MAX_ANONYMOUS_USERS; |
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} |
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$anonymousUsers = $userRepository->findBy(['status' => User::ANONYMOUS], ['registrationDate' => 'ASC']); |
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// Check in TrackELogin if there is an anonymous user with the same IP |
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foreach ($anonymousUsers as $user) { |
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$loginRecord = $trackLoginRepository->findOneBy(['userIp' => $userIp, 'user' => $user]); |
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if ($loginRecord) { |
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return $user->getId(); |
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} |
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} |
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// Delete excess anonymous users |
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while (\count($anonymousUsers) >= $maxAnonymousUsers) { |
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$oldestAnonymousUser = array_shift($anonymousUsers); |
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if ($oldestAnonymousUser) { |
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error_log('Deleting oldest anonymous user: '.$oldestAnonymousUser->getId()); |
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$this->entityManager->remove($oldestAnonymousUser); |
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$this->entityManager->flush(); |
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} |
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} |
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// Create a new anonymous user |
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$uniqueId = uniqid(); |
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$anonymousUser = (new User()) |
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->setSkipResourceNode(true) |
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->setLastname('Joe') |
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->setFirstname('Anonymous') |
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->setUsername('anon_'.$uniqueId) |
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->setStatus(User::ANONYMOUS) |
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->setPlainPassword('anon') |
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->setEmail('anon_'.$uniqueId.'@localhost.local') |
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->setOfficialCode('anonymous') |
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->setCreatorId(1) |
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->addRole('ROLE_ANONYMOUS') |
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; |
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$this->entityManager->persist($anonymousUser); |
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$this->entityManager->flush(); |
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return $anonymousUser->getId(); |
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} |
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} |
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chamilo /
chamilo-lms
