85 lines
2.4 KiB
PHP
85 lines
2.4 KiB
PHP
<?php
|
|
/**
|
|
* @author Robin Appelman <icewind@owncloud.com>
|
|
* @author Roeland Jago Douma <rullzer@owncloud.com>
|
|
* @author Thomas Müller <thomas.mueller@tmit.eu>
|
|
*
|
|
* @copyright Copyright (c) 2016, ownCloud, Inc.
|
|
* @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 OCA\DAV\Connector\Sabre\Exception\FileLocked;
|
|
use OCA\DAV\Connector\Sabre\Node;
|
|
use OCP\Lock\ILockingProvider;
|
|
use OCP\Lock\LockedException;
|
|
use Sabre\DAV\Exception\NotFound;
|
|
use Sabre\DAV\ServerPlugin;
|
|
use Sabre\HTTP\RequestInterface;
|
|
|
|
class LockPlugin extends ServerPlugin {
|
|
/**
|
|
* Reference to main server object
|
|
*
|
|
* @var \Sabre\DAV\Server
|
|
*/
|
|
private $server;
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function initialize(\Sabre\DAV\Server $server) {
|
|
$this->server = $server;
|
|
$this->server->on('beforeMethod', [$this, 'getLock'], 50);
|
|
$this->server->on('afterMethod', [$this, 'releaseLock'], 50);
|
|
}
|
|
|
|
public function getLock(RequestInterface $request) {
|
|
// we can't listen on 'beforeMethod:PUT' due to order of operations with setting up the tree
|
|
// so instead we limit ourselves to the PUT method manually
|
|
if ($request->getMethod() !== 'PUT' || isset($_SERVER['HTTP_OC_CHUNKED'])) {
|
|
return;
|
|
}
|
|
try {
|
|
$node = $this->server->tree->getNodeForPath($request->getPath());
|
|
} catch (NotFound $e) {
|
|
return;
|
|
}
|
|
if ($node instanceof Node) {
|
|
try {
|
|
$node->acquireLock(ILockingProvider::LOCK_SHARED);
|
|
} catch (LockedException $e) {
|
|
throw new FileLocked($e->getMessage(), $e->getCode(), $e);
|
|
}
|
|
}
|
|
}
|
|
|
|
public function releaseLock(RequestInterface $request) {
|
|
if ($request->getMethod() !== 'PUT' || isset($_SERVER['HTTP_OC_CHUNKED'])) {
|
|
return;
|
|
}
|
|
try {
|
|
$node = $this->server->tree->getNodeForPath($request->getPath());
|
|
} catch (NotFound $e) {
|
|
return;
|
|
}
|
|
if ($node instanceof Node) {
|
|
$node->releaseLock(ILockingProvider::LOCK_SHARED);
|
|
}
|
|
}
|
|
}
|