src/Security/CasUserProvider.php line 15

Open in your IDE?
  1. <?php
  2. namespace App\Security;
  4. use Symfony\Component\Security\Core\User\UserProviderInterface;
  5. use Symfony\Component\Security\Core\User\UserInterface;
  6. use Symfony\Component\Security\Core\Exception\UserNotFoundException;
  7. use Symfony\Component\Security\Core\Exception\UnsupportedUserException;
  8. use Doctrine\ORM\EntityManagerInterface;
  9. use App\Entity\User;
  11. /**
  12.  *
  13.  * @author wendell.zheng <wxzheng@ustc.edu.cn>
  14.  */
  15. class CasUserProvider implements UserProviderInterface
  16. {
  18.     protected $em;
  20.     public function __construct(EntityManagerInterface $em)
  21.     {
  22.         $this->em = $em;
  23.     }
  25.     public function loadUserByIdentifier(string $identifier): UserInterface
  26.     {
  27.         try {
  28.             $user = $this->fetchUser($identifier);
  29.         } catch (UserNotFoundException $notFound) {
  30.             $user = $this->createUser($identifier);
  31.         }
  32.         return $user;
  33.     }
  35.     public function loadUserByUsername(string $username): UserInterface
  36.     {
  37.         return $this->loadUserByIdentifier($username);
  38.     }
  40.     public function refreshUser(UserInterface $user): UserInterface
  41.     {
  42.         if (! $user instanceof User) {
  43.             throw new UnsupportedUserException(sprintf('Invalid user class "%s".', get_class($user)));
  44.         }
  45.         $username = $user->getUserIdentifier();
  47.         return $this->fetchUser($username);
  48.     }
  50.     public function supportsClass(string $class): bool
  51.     {
  52.         return User::class === $class || is_subclass_of($class, User::class);
  53.     }
  55.     protected function createUser(string $username): UserInterface
  56.     {
  57.         $user = new User();
  58.         $user->setUsername($username);
  59.         $user->setName('');
  60.         $this->em->persist($user);
  61.         $this->em->flush();
  63.         return $user;
  64.     }
  66.     protected function fetchUser(string $username): UserInterface
  67.     {
  68.         $user = $this->em->getRepository(User::class)->findOneByUsername($username);
  69.         if (! $user) {
  70.             throw new UserNotFoundException(sprintf('Username "%s" does not exist.', $username));
  71.         }
  73.         return $user;
  74.     }
  75. }