Add feature policy header

This adds the events and the classes to modify the feature policy.
It also adds a default restricted feature policy.

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>

1 files changed, 52 insertions, 0 deletions

diff --git a/lib/public/Security/FeaturePolicy/AddFeaturePolicyEvent.php b/lib/public/Security/FeaturePolicy/AddFeaturePolicyEvent.php
new file mode 100644
index 00000000000..ab93844c3f8
--- /dev/null
+++ b/lib/public/Security/FeaturePolicy/AddFeaturePolicyEvent.php
@@ -0,0 +1,52 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2019, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCP\Security\FeaturePolicy;
+
+use OC\Security\FeaturePolicy\FeaturePolicyManager;
+use OCP\AppFramework\Http\EmptyFeaturePolicy;
+use OCP\EventDispatcher\Event;
+
+/**
+ * @since 17.0.0
+ */
+class AddFeaturePolicyEvent extends Event {
+
+	/** @var FeaturePolicyManager */
+	private $policyManager;
+
+	/**
+	 * @since 17.0.0
+	 */
+	public function __construct(FeaturePolicyManager $policyManager) {
+		$this->policyManager = $policyManager;
+	}
+
+	/**
+	 * @since 17.0.0
+	 */
+	public function addPolicy(EmptyFeaturePolicy $policy) {
+		$this->policyManager->addDefaultPolicy($policy);
+	}
+}