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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\Security\FeaturePolicy;
use OCP\AppFramework\Http\EmptyFeaturePolicy;
use OCP\EventDispatcher\IEventDispatcher;
use OCP\Security\FeaturePolicy\AddFeaturePolicyEvent;
class FeaturePolicyManager {
/** @var EmptyFeaturePolicy[] */
private array $policies = [];
public function __construct(
private IEventDispatcher $dispatcher,
) {
}
public function addDefaultPolicy(EmptyFeaturePolicy $policy): void {
$this->policies[] = $policy;
}
public function getDefaultPolicy(): FeaturePolicy {
$event = new AddFeaturePolicyEvent($this);
$this->dispatcher->dispatchTyped($event);
$defaultPolicy = new FeaturePolicy();
foreach ($this->policies as $policy) {
$defaultPolicy = $this->mergePolicies($defaultPolicy, $policy);
}
return $defaultPolicy;
}
/**
* Merges the first given policy with the second one
*
*/
public function mergePolicies(
FeaturePolicy $defaultPolicy,
EmptyFeaturePolicy $originalPolicy,
): FeaturePolicy {
foreach ((object)(array)$originalPolicy as $name => $value) {
$setter = 'set' . ucfirst($name);
if (\is_array($value)) {
$getter = 'get' . ucfirst($name);
$currentValues = \is_array($defaultPolicy->$getter()) ? $defaultPolicy->$getter() : [];
$defaultPolicy->$setter(\array_values(\array_unique(\array_merge($currentValues, $value))));
} elseif (\is_bool($value)) {
$defaultPolicy->$setter($value);
}
}
return $defaultPolicy;
}
}
Zerion Mini Shell 1.0