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<?php |
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namespace Potievdev\SlimRbac\Component; |
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use Doctrine\ORM\Query\QueryException; |
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use Potievdev\SlimRbac\Component\PermissionNameExtractor\PermissionNameExtractor; |
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use Potievdev\SlimRbac\Component\UserIdExtractor\UserIdExtractor; |
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use Potievdev\SlimRbac\Exception\InvalidArgumentException; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Http\Message\ResponseInterface; |
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/** |
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* Checking Access Middleware |
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* Class RbacMiddleware |
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* @package Potievdev\SlimRbac\Component |
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*/ |
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class RbacMiddleware |
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{ |
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public const PERMISSION_DENIED_CODE = 403; |
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public const PERMISSION_DENIED_MESSAGE = 'Permission denied'; |
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/** @var RbacAccessChecker */ |
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private $accessChecker; |
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/** @var UserIdExtractor */ |
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private $userIdExtractor; |
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/** @var PermissionNameExtractor */ |
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private $permissionNameExtractor; |
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/** |
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* @param RbacAccessChecker $accessChecker |
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* @param UserIdExtractor $userIdExtractor |
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*/ |
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public function __construct( |
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RbacAccessChecker $accessChecker, |
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UserIdExtractor $userIdExtractor, |
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PermissionNameExtractor $permissionNameExtractor |
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) { |
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$this->accessChecker = $accessChecker; |
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$this->userIdExtractor = $userIdExtractor; |
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$this->permissionNameExtractor = $permissionNameExtractor; |
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} |
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/** |
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* Check access. |
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* |
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* @param ServerRequestInterface $request PSR7 request |
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* @param ResponseInterface $response PSR7 response |
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* @param callable $next Next middleware |
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* |
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* @return ResponseInterface |
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* @throws QueryException |
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* @throws InvalidArgumentException |
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*/ |
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public function __invoke( |
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ServerRequestInterface $request, |
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ResponseInterface $response, |
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callable $next |
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): ResponseInterface { |
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$userId = $this->userIdExtractor->getUserId($request); |
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$permissionName = $this->permissionNameExtractor->getPermissionName($request); |
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if ($this->accessChecker->hasAccess($userId, $permissionName)) { |
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return $next($request, $response); |
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} |
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return $response->withStatus(self::PERMISSION_DENIED_CODE, self::PERMISSION_DENIED_MESSAGE); |
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} |
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} |
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potievdev /
slim-rbac
