vendor/bshaffer/oauth2-server-bundle/OAuth2/ServerBundle/User/OAuth2UserProvider.php

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<?php

namespace OAuth2\ServerBundle\User;

use Symfony\Component\Security\Core\User\UserInterface;
use Symfony\Component\Security\Core\User\UserProviderInterface;
use Doctrine\ORM\EntityManager;
use Symfony\Component\Security\Core\Encoder\EncoderFactoryInterface;
use Symfony\Component\Security\Core\Exception\UsernameNotFoundException;
use Symfony\Component\Security\Core\Exception\UnsupportedUserException;

class OAuth2UserProvider implements UserProviderInterface
{
    private $em;
    private $encoderFactory;

    public function __construct(EntityManager $entityManager, EncoderFactoryInterface $encoderFactory)
    {
        $this->em = $entityManager;
        $this->encoderFactory = $encoderFactory;
    }

    /**
     * Loads the user for the given username.
     *
     * This method must throw UsernameNotFoundException if the user is not
     * found.
     *
     * @param string $username The username
     *
     * @return UserInterface
     *
     * @see UsernameNotFoundException
     *
     * @throws UsernameNotFoundException if the user is not found
     *
     */
    public function loadUserByUsername($username)
    {
        $user = $this->em->getRepository('OAuth2ServerBundle:User')->find($username);

        if (!$user) {
            throw new UsernameNotFoundException(sprintf('Username "%s" not found.', $username));
        }

        return $user;
    }

    /**
     * Refreshes the user for the account interface.
     *
     * It is up to the implementation to decide if the user data should be
     * totally reloaded (e.g. from the database), or if the UserInterface
     * object can just be merged into some internal array of users / identity
     * map.
     * @param UserInterface $user
     *
     * @return UserInterface
     *
     * @throws UnsupportedUserException if the account is not supported