Classes List

Symfony\Component\Security\Core\Authentication\Provider\PreAuthenticatedAuthenticationProvider

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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\User\UserProviderInterface;
use Symfony\Component\Security\Core\User\UserCheckerInterface;
use Symfony\Component\Security\Core\Exception\AuthenticationException;
use Symfony\Component\Security\Core\Exception\BadCredentialsException;
use Symfony\Component\Security\Core\Authentication\Token\PreAuthenticatedToken;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;

/** * Processes a pre-authenticated authentication request. * * This authentication provider will not perform any checks on authentication * requests, as they should already be pre-authenticated. However, the * UserProviderInterface implementation may still throw a * UsernameNotFoundException, for example. * * @author Fabien Potencier <fabien@symfony.com> */
class PreAuthenticatedAuthenticationProvider implements AuthenticationProviderInterface
{
    private $userProvider;
    private $userChecker;
    private $providerKey;

    public function __construct(UserProviderInterface $userProviderUserCheckerInterface $userChecker$providerKey)
    {
        $this->userProvider = $userProvider;
        $this->userChecker = $userChecker;
        $this->providerKey = $providerKey;
    }

    /** * {@inheritdoc} */
    public function authenticate(TokenInterface $token)
    {
        if (!$this->supports($token)) {
            throw new AuthenticationException('The token is not supported by this authentication provider.');
        }

        if (!$user = $token->getUser()) {
            throw new BadCredentialsException('No pre-authenticated principal found in request.');
        }

        $user = $this->userProvider->loadUserByUsername($user);

        $this->userChecker->checkPostAuth($user);

        $authenticatedToken = new PreAuthenticatedToken($user$token->getCredentials(), $this->providerKey$user->getRoles());
        $authenticatedToken->setAttributes($token->getAttributes());

        return $authenticatedToken;
    }

    /** * {@inheritdoc} */
    public function supports(TokenInterface $token)
    {
        return $token instanceof PreAuthenticatedToken && $this->providerKey === $token->getProviderKey();
    }
}