234 lines
6.6 KiB
PHP
234 lines
6.6 KiB
PHP
<?php
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/**
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* ownCloud
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*
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* @author Jakob Sack
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* @copyright 2011 Jakob Sack kde@jakobsack.de
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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class OC_Connector_Sabre_Directory extends OC_Connector_Sabre_Node implements Sabre_DAV_ICollection, Sabre_DAV_IQuota {
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/**
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* Creates a new file in the directory
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*
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* Data will either be supplied as a stream resource, or in certain cases
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* as a string. Keep in mind that you may have to support either.
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*
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* After succesful creation of the file, you may choose to return the ETag
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* of the new file here.
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*
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* The returned ETag must be surrounded by double-quotes (The quotes should
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* be part of the actual string).
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*
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* If you cannot accurately determine the ETag, you should not return it.
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* If you don't store the file exactly as-is (you're transforming it
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* somehow) you should also not return an ETag.
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*
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* This means that if a subsequent GET to this new file does not exactly
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* return the same contents of what was submitted here, you are strongly
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* recommended to omit the ETag.
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*
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* @param string $name Name of the file
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* @param resource|string $data Initial payload
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* @return null|string
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*/
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public function createFile($name, $data = null) {
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if (isset($_SERVER['HTTP_OC_CHUNKED'])) {
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$info = OC_FileChunking::decodeName($name);
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if (empty($info)) {
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throw new Sabre_DAV_Exception_NotImplemented();
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}
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$chunk_handler = new OC_FileChunking($info);
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$chunk_handler->store($info['index'], $data);
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if ($chunk_handler->isComplete()) {
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$newPath = $this->path . '/' . $info['name'];
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$chunk_handler->file_assemble($newPath);
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return OC_Connector_Sabre_Node::getETagPropertyForPath($newPath);
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}
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} else {
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$newPath = $this->path . '/' . $name;
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// mark file as partial while uploading (ignored by the scanner)
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$partpath = $newPath . '.part';
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\OC\Files\Filesystem::file_put_contents($partpath, $data);
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// rename to correct path
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\OC\Files\Filesystem::rename($partpath, $newPath);
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// allow sync clients to send the mtime along in a header
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$mtime = OC_Request::hasModificationTime();
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if ($mtime !== false) {
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if(\OC\Files\Filesystem::touch($newPath, $mtime)) {
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header('X-OC-MTime: accepted');
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}
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}
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return OC_Connector_Sabre_Node::getETagPropertyForPath($newPath);
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}
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return null;
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}
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/**
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* Creates a new subdirectory
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*
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* @param string $name
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* @return void
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*/
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public function createDirectory($name) {
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$newPath = $this->path . '/' . $name;
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\OC\Files\Filesystem::mkdir($newPath);
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}
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/**
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* Returns a specific child node, referenced by its name
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*
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* @param string $name
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* @throws Sabre_DAV_Exception_FileNotFound
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* @return Sabre_DAV_INode
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*/
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public function getChild($name, $info = null) {
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$path = $this->path . '/' . $name;
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if (is_null($info)) {
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$info = \OC\Files\Filesystem::getFileInfo($path);
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}
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if (!$info) {
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throw new Sabre_DAV_Exception_NotFound('File with name ' . $path . ' could not be located');
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}
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if ($info['mimetype'] == 'httpd/unix-directory') {
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$node = new OC_Connector_Sabre_Directory($path);
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} else {
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$node = new OC_Connector_Sabre_File($path);
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}
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$node->setFileinfoCache($info);
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return $node;
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}
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/**
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* Returns an array with all the child nodes
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*
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* @return Sabre_DAV_INode[]
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*/
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public function getChildren() {
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$folder_content = \OC\Files\Filesystem::getDirectoryContent($this->path);
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$paths = array();
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foreach($folder_content as $info) {
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$paths[] = $this->path.'/'.$info['name'];
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$properties[$this->path.'/'.$info['name']][self::GETETAG_PROPERTYNAME] = '"' . $info['etag'] . '"';
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}
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if(count($paths)>0) {
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//
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// the number of arguments within IN conditions are limited in most databases
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// we chunk $paths into arrays of 200 items each to meet this criteria
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//
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$chunks = array_chunk($paths, 200, false);
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foreach ($chunks as $pack) {
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$placeholders = join(',', array_fill(0, count($pack), '?'));
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$query = OC_DB::prepare( 'SELECT * FROM `*PREFIX*properties` WHERE `userid` = ?' . ' AND `propertypath` IN ('.$placeholders.')' );
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array_unshift($pack, OC_User::getUser()); // prepend userid
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$result = $query->execute( $pack );
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while($row = $result->fetchRow()) {
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$propertypath = $row['propertypath'];
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$propertyname = $row['propertyname'];
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$propertyvalue = $row['propertyvalue'];
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if($propertyname !== self::GETETAG_PROPERTYNAME) {
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$properties[$propertypath][$propertyname] = $propertyvalue;
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}
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}
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}
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}
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$nodes = array();
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foreach($folder_content as $info) {
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$node = $this->getChild($info['name'], $info);
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$node->setPropertyCache($properties[$this->path.'/'.$info['name']]);
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$nodes[] = $node;
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}
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return $nodes;
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}
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/**
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* Checks if a child exists.
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*
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* @param string $name
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* @return bool
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*/
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public function childExists($name) {
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$path = $this->path . '/' . $name;
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return \OC\Files\Filesystem::file_exists($path);
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}
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/**
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* Deletes all files in this directory, and then itself
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*
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* @return void
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*/
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public function delete() {
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if ($this->path != "/Shared") {
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foreach($this->getChildren() as $child) $child->delete();
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\OC\Files\Filesystem::rmdir($this->path);
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}
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}
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/**
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* Returns available diskspace information
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*
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* @return array
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*/
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public function getQuotaInfo() {
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$rootInfo=\OC\Files\Filesystem::getFileInfo('');
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return array(
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$rootInfo['size'],
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\OC\Files\Filesystem::free_space()
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);
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}
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/**
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* Returns a list of properties for this nodes.;
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*
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* The properties list is a list of propertynames the client requested,
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* encoded as xmlnamespace#tagName, for example:
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* http://www.example.org/namespace#author
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* If the array is empty, all properties should be returned
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*
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* @param array $properties
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* @return void
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*/
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public function getProperties($properties) {
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$props = parent::getProperties($properties);
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if (in_array(self::GETETAG_PROPERTYNAME, $properties) && !isset($props[self::GETETAG_PROPERTYNAME])) {
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$props[self::GETETAG_PROPERTYNAME]
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= OC_Connector_Sabre_Node::getETagPropertyForPath($this->path);
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}
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return $props;
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}
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}
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