<?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\Authorization\Voter; 
 
use Symfony\Component\Security\Core\Authentication\AuthenticationTrustResolverInterface; 
use Symfony\Component\Security\Core\Authentication\Token\SwitchUserToken; 
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface; 
 
/** 
 * AuthenticatedVoter votes if an attribute like IS_AUTHENTICATED_FULLY, 
 * IS_AUTHENTICATED_REMEMBERED, IS_AUTHENTICATED is present. 
 * 
 * This list is most restrictive to least restrictive checking. 
 * 
 * @author Fabien Potencier <fabien@symfony.com> 
 * @author Johannes M. Schmitt <schmittjoh@gmail.com> 
 */ 
class AuthenticatedVoter implements CacheableVoterInterface 
{ 
    public const IS_AUTHENTICATED_FULLY = 'IS_AUTHENTICATED_FULLY'; 
    public const IS_AUTHENTICATED_REMEMBERED = 'IS_AUTHENTICATED_REMEMBERED'; 
    public const IS_AUTHENTICATED = 'IS_AUTHENTICATED'; 
    public const IS_IMPERSONATOR = 'IS_IMPERSONATOR'; 
    public const IS_REMEMBERED = 'IS_REMEMBERED'; 
    public const PUBLIC_ACCESS = 'PUBLIC_ACCESS'; 
 
    private $authenticationTrustResolver; 
 
    public function __construct(AuthenticationTrustResolverInterface $authenticationTrustResolver) 
    { 
        $this->authenticationTrustResolver = $authenticationTrustResolver; 
    } 
 
    /** 
     * {@inheritdoc} 
     */ 
    public function vote(TokenInterface $token, mixed $subject, array $attributes): int 
    { 
        if ($attributes === [self::PUBLIC_ACCESS]) { 
            return VoterInterface::ACCESS_GRANTED; 
        } 
 
        $result = VoterInterface::ACCESS_ABSTAIN; 
        foreach ($attributes as $attribute) { 
            if (null === $attribute || (self::IS_AUTHENTICATED_FULLY !== $attribute 
                    && self::IS_AUTHENTICATED_REMEMBERED !== $attribute 
                    && self::IS_AUTHENTICATED !== $attribute 
                    && self::IS_IMPERSONATOR !== $attribute 
                    && self::IS_REMEMBERED !== $attribute)) { 
                continue; 
            } 
 
            $result = VoterInterface::ACCESS_DENIED; 
 
            if (self::IS_AUTHENTICATED_FULLY === $attribute 
                && $this->authenticationTrustResolver->isFullFledged($token)) { 
                return VoterInterface::ACCESS_GRANTED; 
            } 
 
            if (self::IS_AUTHENTICATED_REMEMBERED === $attribute 
                && ($this->authenticationTrustResolver->isRememberMe($token) 
                    || $this->authenticationTrustResolver->isFullFledged($token))) { 
                return VoterInterface::ACCESS_GRANTED; 
            } 
 
            if (self::IS_AUTHENTICATED === $attribute && $this->authenticationTrustResolver->isAuthenticated($token)) { 
                return VoterInterface::ACCESS_GRANTED; 
            } 
 
            if (self::IS_REMEMBERED === $attribute && $this->authenticationTrustResolver->isRememberMe($token)) { 
                return VoterInterface::ACCESS_GRANTED; 
            } 
 
            if (self::IS_IMPERSONATOR === $attribute && $token instanceof SwitchUserToken) { 
                return VoterInterface::ACCESS_GRANTED; 
            } 
        } 
 
        return $result; 
    } 
 
    public function supportsAttribute(string $attribute): bool 
    { 
        return \in_array($attribute, [ 
            self::IS_AUTHENTICATED_FULLY, 
            self::IS_AUTHENTICATED_REMEMBERED, 
            self::IS_AUTHENTICATED, 
            self::IS_IMPERSONATOR, 
            self::IS_REMEMBERED, 
            self::PUBLIC_ACCESS, 
        ], true); 
    } 
 
    public function supportsType(string $subjectType): bool 
    { 
        return true; 
    } 
}