71 lines
1.9 KiB
PHP
71 lines
1.9 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Security\Core;
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use Psr\Container\ContainerInterface;
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use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
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use Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface;
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use Symfony\Component\Security\Core\User\UserInterface;
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/**
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* Helper class for commonly-needed security tasks.
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*
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* @final
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*/
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class Security implements AuthorizationCheckerInterface
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{
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public const ACCESS_DENIED_ERROR = '_security.403_error';
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public const AUTHENTICATION_ERROR = '_security.last_error';
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public const LAST_USERNAME = '_security.last_username';
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public const MAX_USERNAME_LENGTH = 4096;
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private $container;
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public function __construct(ContainerInterface $container)
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{
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$this->container = $container;
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}
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public function getUser(): ?UserInterface
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{
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if (!$token = $this->getToken()) {
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return null;
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}
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$user = $token->getUser();
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// @deprecated since Symfony 5.4, $user will always be a UserInterface instance
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if (!$user instanceof UserInterface) {
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return null;
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}
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return $user;
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}
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/**
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* Checks if the attributes are granted against the current authentication token and optionally supplied subject.
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*
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* @param mixed $attributes
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* @param mixed $subject
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*/
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public function isGranted($attributes, $subject = null): bool
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{
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return $this->container->get('security.authorization_checker')
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->isGranted($attributes, $subject);
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}
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public function getToken(): ?TokenInterface
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{
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return $this->container->get('security.token_storage')->getToken();
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}
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}
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