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<?php |
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/** |
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* WebHemi. |
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* |
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* PHP version 7.1 |
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* |
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* @copyright 2012 - 2018 Gixx-web (http://www.gixx-web.com) |
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* @license https://opensource.org/licenses/MIT The MIT License (MIT) |
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* |
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* @link http://www.gixx-web.com |
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*/ |
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declare(strict_types = 1); |
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namespace WebHemi\Acl\ServiceAdapter; |
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use WebHemi\Acl; |
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use WebHemi\Data\Entity\PolicyEntity; |
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use WebHemi\Data\Entity\ResourceEntity; |
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use WebHemi\Data\Entity\ApplicationEntity; |
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use WebHemi\Data\Entity\UserEntity; |
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use WebHemi\Data\Storage\PolicyStorage; |
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use WebHemi\Data\Storage\UserStorage; |
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use WebHemi\Environment\ServiceInterface as EnvironmentInterface; |
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/** |
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* Class AbstractServiceAdapter. |
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*/ |
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abstract class AbstractServiceAdapter implements Acl\ServiceInterface |
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{ |
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/** |
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* @var EnvironmentInterface |
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*/ |
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protected $environment; |
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/** |
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* @var UserStorage |
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*/ |
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protected $userStorage; |
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/** |
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* @var PolicyStorage |
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*/ |
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protected $policyStorage; |
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/** |
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* ServiceAdapter constructor. |
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* |
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* @param EnvironmentInterface $environment |
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* @param UserStorage $userStorage |
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* @param PolicyStorage $policyStorage |
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*/ |
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public function __construct( |
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EnvironmentInterface $environment, |
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UserStorage $userStorage, |
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PolicyStorage $policyStorage |
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) { |
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$this->environment = $environment; |
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$this->userStorage = $userStorage; |
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$this->policyStorage = $policyStorage; |
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} |
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/** |
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* Checks if a User can access to a Resource in an Application |
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* |
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* @param UserEntity $userEntity |
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* @param ResourceEntity|null $resourceEntity |
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* @param ApplicationEntity|null $applicationEntity |
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* @return bool |
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*/ |
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abstract public function isAllowed( |
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UserEntity $userEntity, |
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? ResourceEntity $resourceEntity = null, |
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? ApplicationEntity $applicationEntity = null |
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) : bool; |
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/** |
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* Checks a given policy against a resource, application and method. |
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* |
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* The user has access when the user or the user's group has a policy which: |
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* - is connected to the current resource OR any resource AND |
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* - is connected to the current application OR any application AND |
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* - allows the current request method. |
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* |
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* @param PolicyEntity $policyEntity |
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* @param null|ResourceEntity $resourceEntity |
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* @param null|ApplicationEntity $applicationEntity |
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* @param null|string $method |
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* @return bool |
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*/ |
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protected function isPolicyAllowed( |
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PolicyEntity $policyEntity, |
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? ResourceEntity $resourceEntity = null, |
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? ApplicationEntity $applicationEntity = null, |
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? string $method = null |
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) : bool { |
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return $this->isResourceAllowed($policyEntity, $resourceEntity) |
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&& $this->isApplicationAllowed($policyEntity, $applicationEntity) |
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&& $this->isRequestMethodAllowed($policyEntity, $method); |
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} |
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/** |
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* Checks whether the given resource is allowed for the given policy. |
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* |
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* @param PolicyEntity $policyEntity |
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* @param ResourceEntity|null $resourceEntity |
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* @return bool |
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*/ |
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private function isResourceAllowed( |
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PolicyEntity $policyEntity, |
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? ResourceEntity $resourceEntity = null |
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) : bool { |
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$policyResourceId = $policyEntity->getResourceId(); |
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$resourceId = $resourceEntity ? $resourceEntity->getResourceId() : null; |
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return is_null($policyResourceId) || $policyResourceId === $resourceId; |
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} |
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/** |
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* Checks whether the given application is allowed for the given policy. |
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* |
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* @param PolicyEntity $policyEntity |
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* @param null|ApplicationEntity|null $applicationEntity |
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* @return bool |
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*/ |
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private function isApplicationAllowed( |
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PolicyEntity $policyEntity, |
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? ApplicationEntity $applicationEntity = null |
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) : bool { |
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$policyApplicationId = $policyEntity->getApplicationId(); |
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$applicationId = $applicationEntity ? $applicationEntity->getApplicationId() : null; |
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return is_null($policyApplicationId) || $policyApplicationId === $applicationId; |
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} |
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/** |
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* Checks whether the request method is allowed for the given policy. |
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* |
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* @param PolicyEntity $policyEntity |
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* @param null|string $method |
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* @return bool |
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*/ |
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private function isRequestMethodAllowed(PolicyEntity $policyEntity, ? string $method = null) : bool |
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{ |
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$policyRequestMethod = $policyEntity->getMethod(); |
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$requestMethod = $method ?? $this->environment->getRequestMethod(); |
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$allowRequestMethod = is_null($policyRequestMethod) || $policyRequestMethod === $requestMethod; |
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return $allowRequestMethod; |
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} |
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} |
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Gixx /
WebHemi
