nextcloud/lib/private/connector/sabre/node.php

234 lines
5.0 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/>.
*
*/
namespace OC\Connector\Sabre;
abstract class Node implements \Sabre\DAV\INode {
/**
* Allow configuring the method used to generate Etags
*
* @var array(class_name, function_name)
*/
public static $ETagFunction = null;
/**
* @var \OC\Files\View
*/
protected $fileView;
/**
* The path to the current node
*
* @var string
*/
protected $path;
/**
* node properties cache
*
* @var array
*/
protected $property_cache = null;
/**
* @var \OCP\Files\FileInfo
*/
protected $info;
/**
* Sets up the node, expects a full path name
* @param \OC\Files\View $view
* @param \OCP\Files\FileInfo $info
*/
public function __construct($view, $info) {
$this->fileView = $view;
$this->path = $this->fileView->getRelativePath($info->getPath());
$this->info = $info;
}
protected function refreshInfo() {
$this->info = $this->fileView->getFileInfo($this->path);
}
/**
* Returns the name of the node
* @return string
*/
public function getName() {
return $this->info->getName();
}
/**
* Returns the full path
*
* @return string
*/
public function getPath() {
return $this->path;
}
/**
* Renames the node
* @param string $name The new name
* @throws \Sabre\DAV\Exception\BadRequest
* @throws \Sabre\DAV\Exception\Forbidden
*/
public function setName($name) {
// rename is only allowed if the update privilege is granted
if (!$this->info->isUpdateable()) {
throw new \Sabre\DAV\Exception\Forbidden();
}
list($parentPath,) = \Sabre\HTTP\URLUtil::splitPath($this->path);
list(, $newName) = \Sabre\HTTP\URLUtil::splitPath($name);
if (!\OCP\Util::isValidFileName($newName)) {
throw new \Sabre\DAV\Exception\BadRequest();
}
$newPath = $parentPath . '/' . $newName;
$this->fileView->rename($this->path, $newPath);
$this->path = $newPath;
$this->refreshInfo();
}
public function setPropertyCache($property_cache) {
$this->property_cache = $property_cache;
}
/**
* Returns the last modification time, as a unix timestamp
* @return int timestamp as integer
*/
public function getLastModified() {
$timestamp = $this->info->getMtime();
if (!empty($timestamp)) {
return (int)$timestamp;
}
return $timestamp;
}
/**
* sets the last modification time of the file (mtime) to the value given
* in the second parameter or to now if the second param is empty.
* Even if the modification time is set to a custom value the access time is set to now.
*/
public function touch($mtime) {
$this->fileView->touch($this->path, $mtime);
$this->refreshInfo();
}
/**
* Returns the ETag for a file
*
* An ETag is a unique identifier representing the current version of the
* file. If the file changes, the ETag MUST change. The ETag is an
* arbitrary string, but MUST be surrounded by double-quotes.
*
* Return null if the ETag can not effectively be determined
*
* @return string
*/
public function getETag() {
return '"' . $this->info->getEtag() . '"';
}
/**
* Sets the ETag
*
* @param string $etag
*
* @return int file id of updated file or -1 on failure
*/
public function setETag($etag) {
return $this->fileView->putFileInfo($this->path, array('etag' => $etag));
}
/**
* Returns the size of the node, in bytes
*
* @return int|float
*/
public function getSize() {
return $this->info->getSize();
}
/**
* Returns the cache's file id
*
* @return int
*/
public function getId() {
return $this->info->getId();
}
/**
* @return string|null
*/
public function getFileId() {
if ($this->info->getId()) {
$instanceId = \OC_Util::getInstanceId();
$id = sprintf('%08d', $this->info->getId());
return $id . $instanceId;
}
return null;
}
/**
* @return string|null
*/
public function getDavPermissions() {
$p ='';
if ($this->info->isShared()) {
$p .= 'S';
}
if ($this->info->isShareable()) {
$p .= 'R';
}
if ($this->info->isMounted()) {
$p .= 'M';
}
if ($this->info->isDeletable()) {
$p .= 'D';
}
if ($this->info->isDeletable()) {
$p .= 'NV'; // Renameable, Moveable
}
if ($this->info->getType() === \OCP\Files\FileInfo::TYPE_FILE) {
if ($this->info->isUpdateable()) {
$p .= 'W';
}
} else {
if ($this->info->isCreatable()) {
$p .= 'CK';
}
}
return $p;
}
}