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<?php
namespace Symfony\Component\Security\Authentication\Provider;
use Symfony\Component\Security\User\UserProviderInterface;
use Symfony\Component\Security\User\AccountCheckerInterface;
use Symfony\Component\Security\Exception\BadCredentialsException;
use Symfony\Component\Security\Authentication\Token\PreAuthenticatedToken;
use Symfony\Component\Security\Authentication\Token\TokenInterface;
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien.potencier@symfony-project.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* 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.potencier@symfony-project.com>
*/
class PreAuthenticatedAuthenticationProvider implements AuthenticationProviderInterface
{
protected $userProvider;
protected $accountChecker;
/**
* Constructor.
*
* @param UserProviderInterface $userProvider A UserProviderInterface instance
* @param AccountCheckerInterface $accountChecker An AccountCheckerInterface instance
*/
public function __construct(UserProviderInterface $userProvider, AccountCheckerInterface $accountChecker)
{
$this->userProvider = $userProvider;
$this->accountChecker = $accountChecker;
}
/**
* {@inheritdoc}
*/
public function authenticate(TokenInterface $token)
{
if (!$this->supports($token)) {
return null;
}
if (!$user = $token->getUser()) {
throw new BadCredentialsException('No pre-authenticated principal found in request.');
}
/*
if (null === $token->getCredentials()) {
throw new BadCredentialsException('No pre-authenticated credentials found in request.');
}
*/
$user = $this->userProvider->loadUserByUsername($user);
$this->accountChecker->checkPostAuth($user);
return new PreAuthenticatedToken($user, $token->getCredentials(), $user->getRoles());
}
/**
* {@inheritdoc}
*/
public function supports(TokenInterface $token)
{
return $token instanceof PreAuthenticatedToken;
}
}
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