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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 - 2017 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\Coupler\UserGroupToPolicyCoupler; |
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use WebHemi\Data\Coupler\UserToGroupCoupler; |
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use WebHemi\Data\Coupler\UserToPolicyCoupler; |
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use WebHemi\Data\Entity\AccessManagement\PolicyEntity; |
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use WebHemi\Data\Entity\AccessManagement\ResourceEntity; |
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use WebHemi\Data\Entity\ApplicationEntity; |
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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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/** @var EnvironmentInterface */ |
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protected $environment; |
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/** @var UserToPolicyCoupler */ |
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protected $userToPolicyCoupler; |
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/** @var UserToGroupCoupler */ |
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protected $userToGroupCoupler; |
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/** @var UserGroupToPolicyCoupler */ |
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protected $userGroupToPolicyCoupler; |
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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 UserToPolicyCoupler $userToPolicyCoupler |
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* @param UserToGroupCoupler $userToGroupCoupler |
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* @param UserGroupToPolicyCoupler $userGroupToPolicyCoupler |
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*/ |
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public function __construct( |
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EnvironmentInterface $environment, |
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UserToPolicyCoupler $userToPolicyCoupler, |
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UserToGroupCoupler $userToGroupCoupler, |
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UserGroupToPolicyCoupler $userGroupToPolicyCoupler |
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) { |
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$this->environment = $environment; |
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$this->userToPolicyCoupler = $userToPolicyCoupler; |
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$this->userToGroupCoupler = $userToGroupCoupler; |
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$this->userGroupToPolicyCoupler = $userGroupToPolicyCoupler; |
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} |
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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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* @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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) : 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); |
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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 ? $resourceEntity->getResourceId() : null; |
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$allowResurce = is_null($policyResourceId) || $policyResourceId === $resourceId; |
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return $allowResurce ? $policyEntity->getAllowed() : false; |
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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 ? $applicationEntity->getApplicationId() : null; |
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$allowApplication = is_null($policyApplicationId) || $policyApplicationId === $applicationId; |
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return $allowApplication ? $policyEntity->getAllowed() : false; |
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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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* @return bool |
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*/ |
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private function isRequestMethodAllowed(PolicyEntity $policyEntity) : bool |
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{ |
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$policyRequestMethod = $policyEntity->getMethod(); |
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$requestMethod = $this->environment->getRequestMethod(); |
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$allowRequestMethod = is_null($policyRequestMethod) || $policyRequestMethod === $requestMethod; |
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return $allowRequestMethod ? $policyEntity->getAllowed() : false; |
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} |
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} |
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Gixx /
WebHemi
