server/lib/private/connector/sabre/filesplugin.php
Thomas Müller 95741f3936 Merge pull request #8435 from owncloud/fix-8322-master
Expose permission via WebDAV
2014-05-19 16:52:03 +02:00

113 lines
3.2 KiB
PHP

<?php
/**
* ownCloud
*
* @author Thomas Müller
* @copyright 2013 Thomas Müller <thomas.mueller@tmit.eu>
*
* @license AGPL3
*/
class OC_Connector_Sabre_FilesPlugin extends Sabre_DAV_ServerPlugin
{
// namespace
const NS_OWNCLOUD = 'http://owncloud.org/ns';
/**
* Reference to main server object
*
* @var Sabre_DAV_Server
*/
private $server;
/**
* This initializes the plugin.
*
* This function is called by Sabre_DAV_Server, after
* addPlugin is called.
*
* This method should set up the required event subscriptions.
*
* @param Sabre_DAV_Server $server
* @return void
*/
public function initialize(Sabre_DAV_Server $server) {
$server->xmlNamespaces[self::NS_OWNCLOUD] = 'oc';
$server->protectedProperties[] = '{' . self::NS_OWNCLOUD . '}id';
$server->protectedProperties[] = '{' . self::NS_OWNCLOUD . '}perm';
$this->server = $server;
$this->server->subscribeEvent('beforeGetProperties', array($this, 'beforeGetProperties'));
$this->server->subscribeEvent('afterCreateFile', array($this, 'sendFileIdHeader'));
$this->server->subscribeEvent('afterWriteContent', array($this, 'sendFileIdHeader'));
}
/**
* Adds all ownCloud-specific properties
*
* @param string $path
* @param Sabre_DAV_INode $node
* @param array $requestedProperties
* @param array $returnedProperties
* @return void
*/
public function beforeGetProperties($path, Sabre_DAV_INode $node, array &$requestedProperties, array &$returnedProperties) {
if ($node instanceof OC_Connector_Sabre_Node) {
$fileIdPropertyName = '{' . self::NS_OWNCLOUD . '}id';
$permissionsPropertyName = '{' . self::NS_OWNCLOUD . '}permissions';
if (array_search($fileIdPropertyName, $requestedProperties)) {
unset($requestedProperties[array_search($fileIdPropertyName, $requestedProperties)]);
}
if (array_search($permissionsPropertyName, $requestedProperties)) {
unset($requestedProperties[array_search($permissionsPropertyName, $requestedProperties)]);
}
/** @var $node OC_Connector_Sabre_Node */
$fileId = $node->getFileId();
if (!is_null($fileId)) {
$returnedProperties[200][$fileIdPropertyName] = $fileId;
}
$permissions = $node->getDavPermissions();
if (!is_null($fileId)) {
$returnedProperties[200][$permissionsPropertyName] = $permissions;
}
}
}
/**
* @param string $filePath
* @param Sabre_DAV_INode $node
* @throws Sabre_DAV_Exception_BadRequest
*/
public function sendFileIdHeader($filePath, Sabre_DAV_INode $node = null) {
// chunked upload handling
if (isset($_SERVER['HTTP_OC_CHUNKED'])) {
list($path, $name) = \Sabre_DAV_URLUtil::splitPath($filePath);
$info = OC_FileChunking::decodeName($name);
if (!empty($info)) {
$filePath = $path . '/' . $info['name'];
}
}
// we get the node for the given $filePath here because in case of afterCreateFile $node is the parent folder
if (!$this->server->tree->nodeExists($filePath)) {
return;
}
$node = $this->server->tree->getNodeForPath($filePath);
if ($node instanceof OC_Connector_Sabre_Node) {
$fileId = $node->getFileId();
if (!is_null($fileId)) {
$this->server->httpResponse->setHeader('OC-FileId', $fileId);
}
}
}
}