2014-09-24 08:31:12 +01:00
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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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2017-09-26 20:22:45 +01:00
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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\User\UserInterface;
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2014-09-24 08:31:12 +01:00
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/**
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2017-09-26 20:22:45 +01:00
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* Helper class for commonly-needed security tasks.
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2014-09-24 08:31:12 +01:00
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*/
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2014-09-29 08:09:34 +01:00
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final class Security
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2014-09-24 08:31:12 +01:00
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{
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2014-11-04 14:29:39 +00:00
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const ACCESS_DENIED_ERROR = '_security.403_error';
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2014-09-24 08:31:12 +01:00
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const AUTHENTICATION_ERROR = '_security.last_error';
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2014-11-04 14:29:39 +00:00
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const LAST_USERNAME = '_security.last_username';
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2016-05-09 20:21:30 +01:00
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const MAX_USERNAME_LENGTH = 4096;
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2017-09-26 20:22:45 +01:00
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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 = $container;
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}
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/**
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* @return UserInterface|null
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*/
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public function getUser()
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{
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if (!$token = $this->getToken()) {
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return null;
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}
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$user = $token->getUser();
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if (!is_object($user)) {
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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 $subject
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*
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* @return bool
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*/
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public function isGranted($attributes, $subject = null)
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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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/**
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* @return TokenInterface|null
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*/
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public function getToken()
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{
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return $this->container->get('security.token_storage')->getToken();
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}
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2014-09-24 08:31:12 +01:00
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}
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