259 lines
7.3 KiB
PHP
259 lines
7.3 KiB
PHP
<?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 {
|
|
const GETETAG_PROPERTYNAME = '{DAV:}getetag';
|
|
const LASTMODIFIED_PROPERTYNAME = '{DAV:}lastmodified';
|
|
|
|
/**
|
|
* Allow configuring the method used to generate Etags
|
|
*
|
|
* @var array(class_name, function_name)
|
|
*/
|
|
public static $ETagFunction = null;
|
|
|
|
/**
|
|
* is kept public to allow overwrite for unit testing
|
|
*
|
|
* @var \OC\Files\View
|
|
*/
|
|
public $fileView;
|
|
|
|
/**
|
|
* The path to the current node
|
|
*
|
|
* @var string
|
|
*/
|
|
protected $path;
|
|
/**
|
|
* node fileinfo cache
|
|
* @var array
|
|
*/
|
|
protected $fileinfo_cache;
|
|
/**
|
|
* node properties cache
|
|
* @var array
|
|
*/
|
|
protected $property_cache = null;
|
|
|
|
/**
|
|
* @brief Sets up the node, expects a full path name
|
|
* @param string $path
|
|
* @return void
|
|
*/
|
|
public function __construct($path) {
|
|
$this->path = $path;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* @brief Returns the name of the node
|
|
* @return string
|
|
*/
|
|
public function getName() {
|
|
|
|
list(, $name) = Sabre_DAV_URLUtil::splitPath($this->path);
|
|
return $name;
|
|
|
|
}
|
|
|
|
/**
|
|
* @brief Renames the node
|
|
* @param string $name The new name
|
|
* @return void
|
|
*/
|
|
public function setName($name) {
|
|
|
|
// rename is only allowed if the update privilege is granted
|
|
if (!\OC\Files\Filesystem::isUpdatable($this->path)) {
|
|
throw new \Sabre_DAV_Exception_Forbidden();
|
|
}
|
|
|
|
list($parentPath, ) = Sabre_DAV_URLUtil::splitPath($this->path);
|
|
list(, $newName) = Sabre_DAV_URLUtil::splitPath($name);
|
|
|
|
$newPath = $parentPath . '/' . $newName;
|
|
$oldPath = $this->path;
|
|
|
|
\OC\Files\Filesystem::rename($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(), $oldPath ));
|
|
|
|
}
|
|
|
|
public function setFileinfoCache($fileinfo_cache)
|
|
{
|
|
$this->fileinfo_cache = $fileinfo_cache;
|
|
}
|
|
|
|
/**
|
|
* @brief Ensure that the fileinfo cache is filled
|
|
* @note Uses OC_FileCache or a direct stat
|
|
*/
|
|
protected function getFileinfoCache() {
|
|
if (!isset($this->fileinfo_cache)) {
|
|
if ($fileinfo_cache = \OC\Files\Filesystem::getFileInfo($this->path)) {
|
|
} else {
|
|
$fileinfo_cache = \OC\Files\Filesystem::stat($this->path);
|
|
}
|
|
|
|
$this->fileinfo_cache = $fileinfo_cache;
|
|
}
|
|
}
|
|
|
|
public function setPropertyCache($property_cache)
|
|
{
|
|
$this->property_cache = $property_cache;
|
|
}
|
|
|
|
/**
|
|
* @brief 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) {
|
|
|
|
// touch is only allowed if the update privilege is granted
|
|
if (!\OC\Files\Filesystem::isUpdatable($this->path)) {
|
|
throw new \Sabre_DAV_Exception_Forbidden();
|
|
}
|
|
|
|
\OC\Files\Filesystem::touch($this->path, $mtime);
|
|
}
|
|
|
|
/**
|
|
* @brief 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( $propertyName, self::GETETAG_PROPERTYNAME) === 0 ) {
|
|
\OC\Files\Filesystem::putFileInfo($this->path, array('etag'=> $propertyValue));
|
|
} elseif( strcmp( $propertyName, self::LASTMODIFIED_PROPERTYNAME) === 0 ) {
|
|
$this->touch($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 ));
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
$this->setPropertyCache(null);
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @brief Returns a list of properties for this nodes.;
|
|
* @param array $properties
|
|
* @return array
|
|
* @note The properties list is a list of propertynames the client
|
|
* requested, encoded as xmlnamespace#tagName, for example:
|
|
* http://www.example.org/namespace#author If the array is empty, all
|
|
* properties should be returned
|
|
*/
|
|
public function getProperties($properties) {
|
|
if (is_null($this->property_cache)) {
|
|
$sql = 'SELECT * FROM `*PREFIX*properties` WHERE `userid` = ? AND `propertypath` = ?';
|
|
$result = OC_DB::executeAudited( $sql, array( OC_User::getUser(), $this->path ) );
|
|
|
|
$this->property_cache = array();
|
|
while( $row = $result->fetchRow()) {
|
|
$this->property_cache[$row['propertyname']] = $row['propertyvalue'];
|
|
}
|
|
|
|
// Don't call the static getETagPropertyForPath, its result is not cached
|
|
$this->getFileinfoCache();
|
|
if ($this->fileinfo_cache['etag']) {
|
|
$this->property_cache[self::GETETAG_PROPERTYNAME] = '"'.$this->fileinfo_cache['etag'].'"';
|
|
} else {
|
|
$this->property_cache[self::GETETAG_PROPERTYNAME] = null;
|
|
}
|
|
}
|
|
|
|
// if the array was empty, we need to return everything
|
|
if(count($properties) == 0) {
|
|
return $this->property_cache;
|
|
}
|
|
|
|
$props = array();
|
|
foreach($properties as $property) {
|
|
if (isset($this->property_cache[$property])) $props[$property] = $this->property_cache[$property];
|
|
}
|
|
return $props;
|
|
}
|
|
|
|
/**
|
|
* Returns the ETag surrounded by double-quotes for this path.
|
|
* @param string $path Path of the file
|
|
* @return string|null Returns null if the ETag can not effectively be determined
|
|
*/
|
|
protected function getETagPropertyForPath($path) {
|
|
$data = $this->getFS()->getFileInfo($path);
|
|
if (isset($data['etag'])) {
|
|
return '"'.$data['etag'].'"';
|
|
}
|
|
return null;
|
|
}
|
|
|
|
protected function getFS() {
|
|
if (is_null($this->fileView)) {
|
|
$this->fileView = \OC\Files\Filesystem::getView();
|
|
}
|
|
return $this->fileView;
|
|
}
|
|
}
|