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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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namespace ApiPlatform\Core\Security; |
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use Symfony\Component\ExpressionLanguage\ExpressionLanguage; |
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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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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 "security" 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 "security" 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 "security".'); |
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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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return [ |
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'token' => $token, |
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'user' => $token->getUser(), |
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'roles' => $this->getEffectiveRoles($token), |
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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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* @return string[] |
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*/ |
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private function getEffectiveRoles(TokenInterface $token): array |
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{ |
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if (null === $this->roleHierarchy) { |
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return method_exists($token, 'getRoleNames') ? $token->getRoleNames() : array_map('strval', $token->getRoles()); |
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} |
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if (method_exists($this->roleHierarchy, 'getReachableRoleNames')) { |
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return $this->roleHierarchy->getReachableRoleNames($token->getRoleNames()); |
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} |
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return array_map(function (Role $role): string { |
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return $role->getRole(); |
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}, $this->roleHierarchy->getReachableRoles($token->getRoles())); |
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} |
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} |
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api-platform /
core
Loading history...
Let?s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let?s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: