Passed
Pull Request — 2.1 (#1729)
by Antoine
04:12 queued 01:10
created

ResourceAccessChecker::isGranted()   B

Complexity

Conditions 5
Paths 4

Size

Total Lines 13
Code Lines 7

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
dl 0
loc 13
rs 8.8571
c 0
b 0
f 0
cc 5
eloc 7
nc 4
nop 3
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<?php
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/*
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 * This file is part of the API Platform project.
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 *
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 * (c) Kévin Dunglas <[email protected]>
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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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declare(strict_types=1);
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/*
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 * This file is part of the API Platform project.
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 *
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 * (c) Kévin Dunglas <[email protected]>
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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 ApiPlatform\Core\Security;
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use ApiPlatform\Core\Util\ClassInfoTrait;
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use Symfony\Component\Security\Core\Authentication\AuthenticationTrustResolverInterface;
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use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
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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\Role\Role;
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use Symfony\Component\Security\Core\Role\RoleHierarchyInterface;
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/**
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 * Checks if the logged user has sufficient permissions to access the given resource.
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 *
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 * @author Kévin Dunglas <[email protected]>
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 */
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final class ResourceAccessChecker implements ResourceAccessCheckerInterface
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{
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    use ClassInfoTrait;
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    private $expressionLanguage;
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    private $authenticationTrustResolver;
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    private $roleHierarchy;
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    private $tokenStorage;
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    private $authorizationChecker;
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    public function __construct(ExpressionLanguage $expressionLanguage = null, AuthenticationTrustResolverInterface $authenticationTrustResolver = null, RoleHierarchyInterface $roleHierarchy = null, TokenStorageInterface $tokenStorage = null, AuthorizationCheckerInterface $authorizationChecker = null)
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    {
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        $this->expressionLanguage = $expressionLanguage;
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        $this->authenticationTrustResolver = $authenticationTrustResolver;
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        $this->roleHierarchy = $roleHierarchy;
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        $this->tokenStorage = $tokenStorage;
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        $this->authorizationChecker = $authorizationChecker;
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    }
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    public function isGranted(string $resourceClass, string $expression, array $extraVariables = []): bool
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    {
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        if (null === $this->tokenStorage || null === $this->authenticationTrustResolver) {
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            throw new \LogicException('The "symfony/security" library must be installed to use the "access_control" attribute.');
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        }
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        if (null === $token = $this->tokenStorage->getToken()) {
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            throw new \LogicException('The current token must be set to use the "access_control" attribute (is the URL behind a firewall?).');
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        }
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        if (null === $this->expressionLanguage) {
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            throw new \LogicException('The "symfony/expression-language" library must be installed to use the "access_control".');
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        }
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        return (bool) $this->expressionLanguage->evaluate($expression, array_merge($extraVariables, $this->getVariables($token)));
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    }
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    /**
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     * @copyright Fabien Potencier <[email protected]>
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     *
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     * @see https://github.com/symfony/symfony/blob/master/src/Symfony/Component/Security/Core/Authorization/Voter/ExpressionVoter.php
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     */
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    private function getVariables(TokenInterface $token): array
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    {
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        $roles = $this->roleHierarchy ? $this->roleHierarchy->getReachableRoles($token->getRoles()) : $token->getRoles();
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        return [
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            'token' => $token,
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            'user' => $token->getUser(),
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            'roles' => array_map(function (Role $role) {
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                return $role->getRole();
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            }, $roles),
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            'trust_resolver' => $this->authenticationTrustResolver,
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            // needed for the is_granted expression function
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            'auth_checker' => $this->authorizationChecker,
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        ];
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    }
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}
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