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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OC\AppFramework\Middleware\Security;
use OC\Security\FeaturePolicy\FeaturePolicy;
use OC\Security\FeaturePolicy\FeaturePolicyManager;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http\EmptyFeaturePolicy;
use OCP\AppFramework\Http\Response;
use OCP\AppFramework\Middleware;
class FeaturePolicyMiddleware extends Middleware {
/** @var FeaturePolicyManager */
private $policyManager;
public function __construct(FeaturePolicyManager $policyManager) {
$this->policyManager = $policyManager;
}
/**
* Performs the default FeaturePolicy modifications that may be injected by other
* applications
*
* @param Controller $controller
* @param string $methodName
* @param Response $response
* @return Response
*/
public function afterController($controller, $methodName, Response $response): Response {
$policy = !is_null($response->getFeaturePolicy()) ? $response->getFeaturePolicy() : new FeaturePolicy();
if (get_class($policy) === EmptyFeaturePolicy::class) {
return $response;
}
$defaultPolicy = $this->policyManager->getDefaultPolicy();
$defaultPolicy = $this->policyManager->mergePolicies($defaultPolicy, $policy);
$response->setFeaturePolicy($defaultPolicy);
return $response;
}
}
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