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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of the Explicit Architecture POC, |
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* which is created on top of the Symfony Demo application. |
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* |
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* (c) Herberto Graça <[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 Acme\App\Infrastructure\Auth\Authorization; |
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use Acme\App\Core\Port\Auth\Authorization\AccessDeniedException; |
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use Acme\App\Core\Port\Auth\Authorization\AuthorizationServiceInterface; |
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use Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface; |
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final class AuthorizationService implements AuthorizationServiceInterface |
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{ |
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/** |
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* @var AuthorizationCheckerInterface |
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*/ |
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private $authorizationChecker; |
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public function __construct(AuthorizationCheckerInterface $authorizationChecker) |
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{ |
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$this->authorizationChecker = $authorizationChecker; |
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} |
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public function hasRole(string ...$roleList): bool |
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{ |
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return $this->authorizationChecker->isGranted($roleList); |
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} |
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public function isAllowed(string $action, $subject): bool |
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{ |
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return $this->authorizationChecker->isGranted($action, $subject); |
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} |
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/** |
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* Throws an exception unless the specified roles and action are met on the subject. |
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*/ |
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public function denyAccessUnlessGranted( |
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array $roleList = [], |
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string $action = '', |
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string $message = 'Access Denied.', |
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$subject = null |
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): void { |
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$attributes[] = $action; |
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$attributes = \array_filter(\array_merge($roleList, $attributes)); |
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if (!$this->authorizationChecker->isGranted($attributes, $subject)) { |
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throw new AccessDeniedException($roleList, $action, $subject, $message); |
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} |
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} |
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} |
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Adding an explicit array definition is generally preferable to implicit array definition as it guarantees a stable state of the code.
Let’s take a look at an example:
As you can see in this example, the array
$myArray
is initialized the first time when the foreach loop is entered. You can also see that the value of thebar
key is only written conditionally; thus, its value might result from a previous iteration.This might or might not be intended. To make your intention clear, your code more readible and to avoid accidental bugs, we recommend to add an explicit initialization $myArray = array() either outside or inside the foreach loop.