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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2021 Robin Appelman <robin@icewind.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 OCA\DAV\Connector\Sabre;
use Sabre\DAV\ServerPlugin;
use Sabre\HTTP\RequestInterface;
use Sabre\HTTP\ResponseInterface;
class ChecksumUpdatePlugin extends ServerPlugin {
/**
* @var \Sabre\DAV\Server
*/
protected $server;
public function initialize(\Sabre\DAV\Server $server) {
$this->server = $server;
$server->on('method:PATCH', [$this, 'httpPatch']);
}
public function getPluginName(): string {
return 'checksumupdate';
}
public function getHTTPMethods($path): array {
$tree = $this->server->tree;
if ($tree->nodeExists($path)) {
$node = $tree->getNodeForPath($path);
if ($node instanceof File) {
return ['PATCH'];
}
}
return [];
}
public function getFeatures(): array {
return ['nextcloud-checksum-update'];
}
public function httpPatch(RequestInterface $request, ResponseInterface $response) {
$path = $request->getPath();
$node = $this->server->tree->getNodeForPath($path);
if ($node instanceof File) {
$type = strtolower(
(string)$request->getHeader('X-Recalculate-Hash')
);
$hash = $node->hash($type);
if ($hash) {
$checksum = strtoupper($type) . ':' . $hash;
$node->setChecksum($checksum);
$response->addHeader('OC-Checksum', $checksum);
$response->setHeader('Content-Length', '0');
$response->setStatus(204);
return false;
}
}
}
}
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