Viewing file:  PreAuthenticatedAuthenticationProvider.php (2.74 KB) -rw-r--r--
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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\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;
/**
* Constructor.
*
* @param UserProviderInterface $userProvider An UserProviderInterface instance
* @param UserCheckerInterface $userChecker An UserCheckerInterface instance
* @param string $providerKey The provider key
*/
public function __construct(UserProviderInterface $userProvider, UserCheckerInterface $userChecker, $providerKey)
{
$this->userProvider = $userProvider;
$this->userChecker = $userChecker;
$this->providerKey = $providerKey;
}
/**
* {@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);
$this->userChecker->checkPostAuth($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();
}
}
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