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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\Middleware\Security; |
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use Exception; |
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use WebHemi\Adapter\Acl\AclAdapterInterface; |
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use WebHemi\Adapter\Auth\AuthAdapterInterface; |
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use WebHemi\Adapter\Http\ResponseInterface; |
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use WebHemi\Adapter\Http\ServerRequestInterface; |
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use WebHemi\Application\EnvironmentManager; |
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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\Data\Entity\User\UserEntity; |
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use WebHemi\Data\Entity\User\UserMetaEntity; |
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use WebHemi\Data\Storage\AccessManagement\ResourceStorage; |
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use WebHemi\Data\Storage\ApplicationStorage; |
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use WebHemi\Data\Storage\User\UserMetaStorage; |
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use WebHemi\Middleware\Action; |
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use WebHemi\Middleware\MiddlewareInterface; |
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/** |
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* Class AclMiddleware. |
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*/ |
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class AclMiddleware implements MiddlewareInterface |
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{ |
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/** @var AuthAdapterInterface */ |
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private $authAdapter; |
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/** @var AclAdapterInterface */ |
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private $aclAdapter; |
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/** @var EnvironmentManager */ |
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private $environmentManager; |
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/** @var ApplicationStorage */ |
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private $applicationStorage; |
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/** @var ResourceStorage */ |
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private $resourceStorage; |
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/** @var UserMetaStorage */ |
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private $userMetaStorage; |
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/** @var array */ |
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private $middlewareWhiteList = [ |
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Action\Auth\LoginAction::class, |
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Action\Auth\LogoutAction::class, |
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]; |
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/** |
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* AclMiddleware constructor. |
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* |
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* @param AuthAdapterInterface $authAdapter |
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* @param AclAdapterInterface $aclAdapter |
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* @param EnvironmentManager $environmentManager |
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* @param ApplicationStorage $applicationStorage |
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* @param ResourceStorage $resourceStorage |
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* @param UserMetaStorage $userMetaStorage |
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*/ |
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public function __construct( |
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AuthAdapterInterface $authAdapter, |
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AclAdapterInterface $aclAdapter, |
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EnvironmentManager $environmentManager, |
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ApplicationStorage $applicationStorage, |
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ResourceStorage $resourceStorage, |
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UserMetaStorage $userMetaStorage |
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) { |
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$this->authAdapter = $authAdapter; |
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$this->aclAdapter = $aclAdapter; |
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$this->environmentManager = $environmentManager; |
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$this->applicationStorage = $applicationStorage; |
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$this->resourceStorage = $resourceStorage; |
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$this->userMetaStorage = $userMetaStorage; |
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} |
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/** |
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* A middleware is a callable. It can do whatever is appropriate with the Request and Response objects. |
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* The only hard requirement is that a middleware MUST return an instance of \Psr\Http\Message\ResponseInterface. |
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* Each middleware SHOULD invoke the next middleware and pass it Request and Response objects as arguments. |
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* |
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* @param ServerRequestInterface $request |
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* @param ResponseInterface $response |
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* @throws Exception |
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* @return void |
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*/ |
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public function __invoke(ServerRequestInterface&$request, ResponseInterface&$response) : void |
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{ |
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$actionMiddleware = $request->getAttribute(ServerRequestInterface::REQUEST_ATTR_RESOLVED_ACTION_CLASS); |
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$identity = false; |
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if (in_array($actionMiddleware, $this->middlewareWhiteList)) { |
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return; |
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} |
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if ($this->authAdapter->hasIdentity()) { |
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$identity = $this->authAdapter->getIdentity(); |
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} |
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if ($identity instanceof UserEntity) { |
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$selectedApplication = $this->environmentManager->getSelectedApplication(); |
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/** @var ApplicationEntity $applicationEntity */ |
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$applicationEntity = $this->applicationStorage->getApplicationByName($selectedApplication); |
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/** @var ResourceEntity $resourceEntity */ |
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$resourceEntity = $this->resourceStorage->getResourceByName($actionMiddleware); |
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// Check the user against the application and resource |
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$hasAccess = $this->aclAdapter->isAllowed($identity, $resourceEntity, $applicationEntity); |
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$request = $this->setIdentityForTemplate($request, $identity); |
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if (!$hasAccess) { |
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throw new Exception('Forbidden', 403); |
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} |
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} else { |
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$appUri = rtrim($this->environmentManager->getSelectedApplicationUri(), '/'); |
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$response = $response->withStatus(ResponseInterface::STATUS_REDIRECT, 'Found') |
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->withHeader('Location', $appUri.'/auth/login'); |
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} |
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} |
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/** |
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* Set identified user data for the templates |
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* |
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* @param ServerRequestInterface $request |
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* @param UserEntity $identity |
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* @return ServerRequestInterface |
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*/ |
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private function setIdentityForTemplate( |
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ServerRequestInterface $request, |
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UserEntity $identity |
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) : ServerRequestInterface { |
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// Set authenticated user for the templates |
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$templateData = $request->getAttribute(ServerRequestInterface::REQUEST_ATTR_DISPATCH_DATA, []); |
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$templateData['authenticated_user'] = $identity; |
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$templateData['authenticated_user_meta'] = []; |
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$userMeta = $this->userMetaStorage->getUserMetaForUserId($identity->getUserId()); |
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/** @var UserMetaEntity $metaEntity */ |
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foreach ($userMeta as $metaEntity) { |
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$templateData['authenticated_user_meta'][$metaEntity->getMetaKey()] = $metaEntity->getMetaData(); |
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} |
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return $request->withAttribute(ServerRequestInterface::REQUEST_ATTR_DISPATCH_DATA, $templateData); |
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} |
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} |
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Gixx /
WebHemi
