nextcloud/lib/connector/sabre/node.php

174 lines
4.9 KiB
PHP

<?php
/**
* Base node-class
*
* The node class implements the method used by both the File and the Directory classes
*
* @package Sabre
* @subpackage DAV
* @copyright Copyright (C) 2007-2011 Rooftop Solutions. All rights reserved.
* @author Evert Pot (http://www.rooftopsolutions.nl/)
* @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
*/
/*
*
* The following SQL statement is just a help for developers and will not be
* executed!
*
* CREATE TABLE IF NOT EXISTS `properties` (
* `userid` varchar(200) COLLATE utf8_unicode_ci NOT NULL,
* `propertypath` varchar(255) COLLATE utf8_unicode_ci NOT NULL,
* `propertyname` varchar(255) COLLATE utf8_unicode_ci NOT NULL,
* `propertyvalue` text COLLATE utf8_unicode_ci NOT NULL
* ) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
*
*/
abstract class OC_Connector_Sabre_Node implements Sabre_DAV_INode, Sabre_DAV_IProperties {
/**
* The path to the current node
*
* @var string
*/
protected $path;
/**
* Sets up the node, expects a full path name
*
* @param string $path
* @return void
*/
public function __construct($path) {
$this->path = $path;
}
/**
* 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(), $oldPath ));
}
/**
* Returns the last modification time, as a unix timestamp
*
* @return int
*/
public function getLastModified() {
return OC_Filesystem::filemtime($this->path);
}
/**
* 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 setLastModifiedTime($mtime) {
OC_Filesystem::setFileMtime($this->path, $mtime);
}
public function endsWith( $str, $sub ) {
return ( substr( $str, strlen( $str ) - strlen( $sub ) ) === $sub );
}
/**
* 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( $this->endsWith( $propertyName, "modificationTime")) {
$this->setLastModifiedTime($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']] = $row['propertyvalue'];
}
if(count($properties) == 0){
return $existing;
}
// if the array was empty, we need to return everything
$props = array();
foreach($properties as $property) {
if (isset($existing[$property])) $props[$property] = $existing[$property];
}
return $props;
}
}