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- <?php
- /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Thomas Müller <thomas.mueller@tmit.eu>
- * @author Vincent Petry <vincent@nextcloud.com>
- *
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * 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, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
- */
-
- namespace OCA\DAV\Connector\Sabre;
-
- use Sabre\HTTP\RequestInterface;
- use Sabre\HTTP\ResponseInterface;
-
- /**
- * Copies the "Etag" header to "OC-Etag" after any request.
- * This is a workaround for setups that automatically strip
- * or mangle Etag headers.
- */
- class CopyEtagHeaderPlugin extends \Sabre\DAV\ServerPlugin {
-
- /** @var \Sabre\DAV\Server */
- private $server;
- /**
- * This initializes the plugin.
- *
- * @param \Sabre\DAV\Server $server Sabre server
- *
- * @return void
- */
- public function initialize(\Sabre\DAV\Server $server) {
- $this->server = $server;
-
- $server->on('afterMethod:*', [$this, 'afterMethod']);
- $server->on('afterMove', [$this, 'afterMove']);
- }
-
- /**
- * After method, copy the "Etag" header to "OC-Etag" header.
- *
- * @param RequestInterface $request request
- * @param ResponseInterface $response response
- */
- public function afterMethod(RequestInterface $request, ResponseInterface $response) {
- $eTag = $response->getHeader('Etag');
- if (!empty($eTag)) {
- $response->setHeader('OC-ETag', $eTag);
- }
- }
-
- /**
- * Called after a node is moved.
- *
- * This allows the backend to move all the associated properties.
- *
- * @param string $source
- * @param string $destination
- * @return void
- */
- public function afterMove($source, $destination) {
- $node = $this->server->tree->getNodeForPath($destination);
- if ($node instanceof File) {
- $eTag = $node->getETag();
- $this->server->httpResponse->setHeader('OC-ETag', $eTag);
- $this->server->httpResponse->setHeader('ETag', $eTag);
- }
- }
- }
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