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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\Exception\InvalidArgumentException; |
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use Potievdev\SlimRbac\Structure\RbacManagerOptions; |
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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 extends BaseComponent |
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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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/** |
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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 = $this->getCurrentUserId($request); |
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$permissionName = $request->getUri()->getPath(); |
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if ($this->checkAccess($userId, $permissionName)) { |
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$response = $next($request, $response); |
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} else { |
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$response = $response->withStatus(self::PERMISSION_DENIED_CODE, self::PERMISSION_DENIED_MESSAGE); |
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} |
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return $response; |
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} |
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private function getCurrentUserId(ServerRequestInterface $request): int |
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{ |
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$userIdFieldName = $this->rbacManagerOptions->getUserIdFieldName(); |
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$storageType = $this->rbacManagerOptions->getUserIdStorageType(); |
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/** @var integer $userId */ |
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switch ($storageType) { |
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case RbacManagerOptions::ATTRIBUTE_STORAGE_TYPE: |
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$userId = intval($request->getAttribute($userIdFieldName)); |
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break; |
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case RbacManagerOptions::HEADER_STORAGE_TYPE: |
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$userId = intval($request->getHeaderLine($userIdFieldName)); |
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break; |
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case RbacManagerOptions::COOKIE_STORAGE_TYPE: |
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$params = $request->getCookieParams(); |
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$userId = intval($params[$userIdFieldName]); |
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break; |
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} |
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return $userId; |
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} |
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} |
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potievdev /
slim-rbac
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