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<?php
/**
* ownCloud
*
* @author Jakob Sack
* @copyright 2011 Jakob Sack kde@jakobsack.de
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 library. If not, see <http://www.gnu.org/licenses/>.
*
*/
abstract class OC_Connector_Sabre_Node implements Sabre_DAV_INode, Sabre_DAV_IProperties {
/**
* The path to the current node
*
* @var string
*/
protected $path;
/**
* file stat cache
* @var array
*/
protected $fileinfo_cache;
/**
* Sets up the node, expects a full path name
*
* @param string $path
* @return void
*/
public function __construct($path, $fileinfo_cache = null) {
$this->path = $path;
if ($fileinfo_cache) {
$this->fileinfo_cache = $fileinfo_cache;
}
}
/**
* Returns the name of the node
*
* @return string
*/
public function getName() {
list(, $name) = Sabre_DAV_URLUtil::splitPath($this->path);
return $name;
}
/**
* Renames the node
*
* @param string $name The new name
* @return void
*/
public function setName($name) {
list($parentPath, ) = Sabre_DAV_URLUtil::splitPath($this->path);
list(, $newName) = Sabre_DAV_URLUtil::splitPath($name);
$newPath = $parentPath . '/' . $newName;
$oldPath = $this->path;
OC_Filesystem::rename($this->path,$newPath);
$this->path = $newPath;
$query = OC_DB::prepare( 'UPDATE *PREFIX*properties SET propertypath = ? WHERE userid = ? AND propertypath = ?' );
$query->execute( array( $newPath,OC_User::getUser(), $oldPath ));
}
/**
* Set the stat cache
*/
protected function getFileinfoCache() {
if (!isset($this->fileinfo_cache)) {
if ($fileinfo_cache = OC_FileCache::get($this->path)) {
} else {
$fileinfo_cache = OC_Filesystem::stat($this->path);
}
$this->fileinfo_cache = $fileinfo_cache;
}
}
/**
* Returns the last modification time, as a unix timestamp
*
* @return int
*/
public function getLastModified() {
$this->getFileinfoCache();
return $this->fileinfo_cache['mtime'];
}
/**
* sets the last modification time of the file (mtime) to the value given
* in the second parameter or to now if the second param is empty.
* Even if the modification time is set to a custom value the access time is set to now.
*/
public function touch($mtime) {
OC_Filesystem::touch($this->path, $mtime);
}
/**
* Updates properties on this node,
*
* @param array $mutations
* @see Sabre_DAV_IProperties::updateProperties
* @return bool|array
*/
public function updateProperties($properties) {
$existing = $this->getProperties(array());
foreach($properties as $propertyName => $propertyValue) {
// If it was null, we need to delete the property
if (is_null($propertyValue)) {
if(array_key_exists( $propertyName, $existing )){
$query = OC_DB::prepare( 'DELETE FROM *PREFIX*properties WHERE userid = ? AND propertypath = ? AND propertyname = ?' );
$query->execute( array( OC_User::getUser(), $this->path, $propertyName ));
}
}
else {
if( strcmp( $propertyName, "lastmodified")) {
$this->touch($propertyValue);
} else {
if(!array_key_exists( $propertyName, $existing )){
$query = OC_DB::prepare( 'INSERT INTO *PREFIX*properties (userid,propertypath,propertyname,propertyvalue) VALUES(?,?,?,?)' );
$query->execute( array( OC_User::getUser(), $this->path, $propertyName,$propertyValue ));
} else {
$query = OC_DB::prepare( 'UPDATE *PREFIX*properties SET propertyvalue = ? WHERE userid = ? AND propertypath = ? AND propertyname = ?' );
$query->execute( array( $propertyValue,OC_User::getUser(), $this->path, $propertyName ));
}
}
}
}
return true;
}
/**
* Returns a list of properties for this nodes.;
*
* The properties list is a list of propertynames the client requested,
* encoded as xmlnamespace#tagName, for example:
* http://www.example.org/namespace#author
* If the array is empty, all properties should be returned
*
* @param array $properties
* @return void
*/
function getProperties($properties) {
// At least some magic in here :-)
$query = OC_DB::prepare( 'SELECT * FROM *PREFIX*properties WHERE userid = ? AND propertypath = ?' );
$result = $query->execute( array( OC_User::getUser(), $this->path ));
$existing = array();
while( $row = $result->fetchRow()){
$existing[$row['propertyname']] = $row['propertyvalue'];
}
// if the array was empty, we need to return everything
if(count($properties) == 0){
return $existing;
}
$props = array();
foreach($properties as $property) {
if (isset($existing[$property])) $props[$property] = $existing[$property];
}
return $props;
}
}
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