Classes List

Symfony\Component\Security\Core\Authentication\Provider\DaoAuthenticationProvider

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<?php

/* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */


namespace Symfony\Component\Security\Core\Authentication\Provider;

use Symfony\Component\Security\Core\Encoder\EncoderFactoryInterface;
use Symfony\Component\Security\Core\User\UserProviderInterface;
use Symfony\Component\Security\Core\User\UserCheckerInterface;
use Symfony\Component\Security\Core\User\UserInterface;
use Symfony\Component\Security\Core\Exception\UsernameNotFoundException;
use Symfony\Component\Security\Core\Exception\AuthenticationServiceException;
use Symfony\Component\Security\Core\Exception\BadCredentialsException;
use Symfony\Component\Security\Core\Authentication\Token\UsernamePasswordToken;

/** * DaoAuthenticationProvider uses a UserProviderInterface to retrieve the user * for a UsernamePasswordToken. * * @author Fabien Potencier <fabien@symfony.com> */
class DaoAuthenticationProvider extends UserAuthenticationProvider
{
    private $encoderFactory;
    private $userProvider;

    /** * @param UserProviderInterface $userProvider An UserProviderInterface instance * @param UserCheckerInterface $userChecker An UserCheckerInterface instance * @param string $providerKey The provider key * @param EncoderFactoryInterface $encoderFactory An EncoderFactoryInterface instance * @param bool $hideUserNotFoundExceptions Whether to hide user not found exception or not */
    public function __construct(UserProviderInterface $userProviderUserCheckerInterface $userChecker$providerKeyEncoderFactoryInterface $encoderFactory$hideUserNotFoundExceptions = true)
    {
        parent::__construct($userChecker$providerKey$hideUserNotFoundExceptions);

        $this->encoderFactory = $encoderFactory;
        $this->userProvider = $userProvider;
    }

    /** * {@inheritdoc} */
    protected function checkAuthentication(UserInterface $userUsernamePasswordToken $token)
    {
        $currentUser = $token->getUser();
        if ($currentUser instanceof UserInterface) {
            if ($currentUser->getPassword() !== $user->getPassword()) {
                throw new BadCredentialsException('The credentials were changed from another session.');
            }
        } else {
            if ('' === ($presentedPassword = $token->getCredentials())) {
                throw new BadCredentialsException('The presented password cannot be empty.');
            }

            if (!$this->encoderFactory->getEncoder($user)->isPasswordValid($user->getPassword(), $presentedPassword$user->getSalt())) {
                throw new BadCredentialsException('The presented password is invalid.');
            }
        }
    }

    /** * {@inheritdoc} */
    protected function retrieveUser($usernameUsernamePasswordToken $token)
    {
        $user = $token->getUser();
        if ($user instanceof UserInterface) {
            return $user;
        }

        try {
            $user = $this->userProvider->loadUserByUsername($username);

            if (!$user instanceof UserInterface) {
                throw new AuthenticationServiceException('The user provider must return a UserInterface object.');
            }

            return $user;
        } catch (UsernameNotFoundException $e) {
            $e->setUsername($username);
            throw $e;
        } catch (\Exception $e) {
            $e = new AuthenticationServiceException($e->getMessage(), 0$e);
            $e->setToken($token);
            throw $e;
        }
    }
}