271 lines
8.9 KiB
PHP
Executable File
271 lines
8.9 KiB
PHP
Executable File
<?php
|
|
|
|
/**
|
|
* ownCloud
|
|
*
|
|
* @author Frank Karlitschek
|
|
* @copyright 2010 Frank Karlitschek karlitschek@kde.org
|
|
*
|
|
* 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 Lesser General Public
|
|
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
|
|
/**
|
|
* Class for abstraction of filesystem functions
|
|
* This class won't call any filesystem functions for itself but but will pass them to the correct OC_FILESTORAGE object
|
|
* this class should also handle all the file premission related stuff
|
|
*/
|
|
class OC_FILESYSTEM{
|
|
static private $storages=array();
|
|
/**
|
|
* check if the current users has the right premissions to read a file
|
|
* @param string path
|
|
* @return bool
|
|
*/
|
|
static private function canRead(){
|
|
return true;//dummy untill premissions are correctly implemented, also the correcty value because for now users are locked in their seperate data dir and can read/write everything in there
|
|
}
|
|
/**
|
|
* check if the current users has the right premissions to write a file
|
|
* @param string path
|
|
* @return bool
|
|
*/
|
|
static private function canWrite(){
|
|
return true;//dummy untill premissions are correctly implemented, also the correcty value because for now users are locked in their seperate data dir and can read/write everything in there
|
|
}
|
|
|
|
/**
|
|
* mount an OC_FILESTORAGE in our virtual filesystem
|
|
* @param OC_FILESTORAGE storage
|
|
* @param string mountpoint
|
|
*/
|
|
static public function mount($storage,$mountpoint){
|
|
if(substr($mountpoint,0,1)!=='/'){
|
|
$mountpoint='/'.$mountpoint;
|
|
}
|
|
self::$storages[$mountpoint]=$storage;
|
|
}
|
|
|
|
/**
|
|
* get the storage object for a path
|
|
* @param string path
|
|
* @return OC_FILESTORAGE
|
|
*/
|
|
static private function getStorage($path){
|
|
$mountpoint=self::getMountPoint($path);
|
|
if($mountpoint){
|
|
return self::$storages[$mountpoint];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* get the mountpoint of the storage object for a path
|
|
* @param string path
|
|
* @return string
|
|
*/
|
|
static private function getMountPoint($path){
|
|
if(!$path){
|
|
$path='/';
|
|
}
|
|
if(substr($path,0,1)!=='/'){
|
|
$path='/'.$path;
|
|
}
|
|
$foundMountPoint='';
|
|
foreach(self::$storages as $mountpoint=>$storage){
|
|
if($mountpoint==$path){
|
|
return $mountpoint;
|
|
}
|
|
if(strpos($path,$mountpoint)===0 and strlen($mountpoint)>strlen($foundMountPoint)){
|
|
$foundMountPoint=$mountpoint;
|
|
}
|
|
}
|
|
return $foundMountPoint;
|
|
}
|
|
|
|
static public function mkdir($path){
|
|
$parent=substr($path,0,strrpos($path,'/'));
|
|
if(self::canWrite($parent) and $storage=self::getStorage($path)){
|
|
return $storage->mkdir(substr($path,strlen(self::getMountPoint($path))));
|
|
}
|
|
}
|
|
static public function rmdir($path){
|
|
if(self::canWrite($path) and $storage=self::getStorage($path)){
|
|
return $storage->rmdir(substr($path,strlen(self::getMountPoint($path))));
|
|
}
|
|
}
|
|
static public function opendir($path){
|
|
if(self::canRead($path) and $storage=self::getStorage($path)){
|
|
return $storage->opendir(substr($path,strlen(self::getMountPoint($path))));
|
|
}
|
|
}
|
|
static public function is_dir($path){
|
|
if($path=='/'){
|
|
return true;
|
|
}
|
|
if(self::canRead($path) and $storage=self::getStorage($path)){
|
|
return $storage->is_dir(substr($path,strlen(self::getMountPoint($path))));
|
|
}
|
|
}
|
|
static public function is_file($path){
|
|
if($path=='/'){
|
|
return false;
|
|
}
|
|
if(self::canRead($path) and $storage=self::getStorage($path)){
|
|
return $storage->is_file(substr($path,strlen(self::getMountPoint($path))));
|
|
}
|
|
}
|
|
static public function stat($path){
|
|
if(self::canRead($path) and $storage=self::getStorage($path)){
|
|
return $storage->stat(substr($path,strlen(self::getMountPoint($path))));
|
|
}
|
|
}
|
|
static public function filetype($path){
|
|
if(self::canRead($path) and $storage=self::getStorage($path)){
|
|
return $storage->filetype(substr($path,strlen(self::getMountPoint($path))));
|
|
}
|
|
}
|
|
static public function filesize($path){
|
|
if(self::canRead($path) and $storage=self::getStorage($path)){
|
|
return $storage->filesize(substr($path,strlen(self::getMountPoint($path))));
|
|
}
|
|
}
|
|
static public function readfile($path){
|
|
if(self::canRead($path) and $storage=self::getStorage($path)){
|
|
return $storage->readfile(substr($path,strlen(self::getMountPoint($path))));
|
|
}
|
|
}
|
|
static public function is_readable($path){
|
|
if(self::canRead($path) and $storage=self::getStorage($path)){
|
|
return $storage->is_readable(substr($path,strlen(self::getMountPoint($path))));
|
|
}
|
|
return false;
|
|
}
|
|
static public function is_writeable($path){
|
|
if(self::canWrite($path) and $storage=self::getStorage($path)){
|
|
return $storage->is_writeable(substr($path,strlen(self::getMountPoint($path))));
|
|
}
|
|
return false;
|
|
}
|
|
static public function file_exists($path){
|
|
if($path=='/'){
|
|
return true;
|
|
}
|
|
if(self::canWrite($path) and $storage=self::getStorage($path)){
|
|
return $storage->file_exists(substr($path,strlen(self::getMountPoint($path))));
|
|
}
|
|
return false;
|
|
}
|
|
static public function filectime($path){
|
|
if($storage=self::getStorage($path)){
|
|
return $storage->filectime(substr($path,strlen(self::getMountPoint($path))));
|
|
}
|
|
}
|
|
static public function filemtime($path){
|
|
if($storage=self::getStorage($path)){
|
|
return $storage->filemtime(substr($path,strlen(self::getMountPoint($path))));
|
|
}
|
|
}
|
|
static public function fileatime($path){
|
|
if($storage=self::getStorage($path)){
|
|
return $storage->fileatime(substr($path,strlen(self::getMountPoint($path))));
|
|
}
|
|
}
|
|
static public function file_get_contents($path){
|
|
if(self::canRead($path) and $storage=self::getStorage($path)){
|
|
return $storage->file_get_contents(substr($path,strlen(self::getMountPoint($path))));
|
|
}
|
|
}
|
|
static public function file_put_contents($path){
|
|
if(self::canWrite($path) and $storage=self::getStorage($path)){
|
|
$this->notifyObservers($path,OC_FILEACTION_WRITE | OC_FILEACTION_CREATE);
|
|
return $storage->file_put_contents(substr($path,strlen(self::getMountPoint($path))));
|
|
}
|
|
}
|
|
static public function unlink($path){
|
|
if(self::canWrite($path) and $storage=self::getStorage($path)){
|
|
return $storage->unlink(substr($path,strlen(self::getMountPoint($path))));
|
|
}
|
|
}
|
|
static public function rename($path1,$path2){
|
|
if(self::canWrite($path1) and self::canWrite($path2)){
|
|
$mp1=self::getMountPoint($path1);
|
|
$mp2=self::getMountPoint($path2);
|
|
if($mp1==$mp2){
|
|
if($storage=self::getStorage($path1)){
|
|
return $storage->rename(substr($path1,strlen($mp1)),substr($path2,strlen($mp2)));
|
|
}
|
|
}elseif($storage1=self::getStorage($path1) and $storage2=self::getStorage($path2)){
|
|
$tmpFile=$storage1->toTmpFile(substr($path1,strlen($mp1)));
|
|
$result=$storage2->fromTmpFile($tmpFile,substr($path2,strlen($mp2)));
|
|
$storage1->unlink(substr($path1,strlen($mp1)));
|
|
return $result;
|
|
}
|
|
}
|
|
}
|
|
static public function copy($path1,$path2){
|
|
if(self::canRead($path1) and self::canWrite($path2)){
|
|
$mp1=self::getMountPoint($path1);
|
|
$mp2=self::getMountPoint($path2);
|
|
if($mp1==$mp2){
|
|
if($storage=self::getStorage($path1)){
|
|
return $storage->copy(substr($path1,strlen($mp1)),substr($path2,strlen($mp2)));
|
|
}
|
|
}elseif($storage1=self::getStorage($path1) and $storage2=self::getStorage($path2)){
|
|
$tmpFile=$storage1->toTmpFile(substr($path1,strlen($mp1)));
|
|
return $storage2->fromTmpFile($tmpFile,substr($path2,strlen($mp2)));
|
|
}
|
|
}
|
|
}
|
|
static public function fopen($path,$mode){
|
|
$allowed=((strpos($path,'r')===false and strpos($path,'r+')!==false and self::canRead) or self::canWrite($path));
|
|
if($allowed){
|
|
if($storage=self::getStorage($path)){
|
|
return $storage->fopen(substr($path,strlen(self::getMountPoint($path))),$mode);
|
|
}
|
|
}
|
|
}
|
|
static public function toTmpFile($path){
|
|
if(self::canRead($path) and $storage=self::getStorage($path)){
|
|
return $storage->toTmpFile(substr($path,strlen(self::getMountPoint($path))));
|
|
}
|
|
}
|
|
static public function fromTmpFile($tmpFile,$path){
|
|
if(self::canWrite($path) and $storage=self::getStorage($path)){
|
|
return $storage->fromTmpFile($tmpFile,substr($path,strlen(self::getMountPoint($path))));
|
|
}
|
|
}
|
|
static public function getMimeType($path){
|
|
if(self::canRead($path) and $storage=self::getStorage($path)){
|
|
return $storage->getMimeType(substr($path,strlen(self::getMountPoint($path))));
|
|
}
|
|
}
|
|
static public function delTree($path){
|
|
if(self::canWrite($path) and $storage=self::getStorage($path)){
|
|
return $storage->delTree(substr($path,strlen(self::getMountPoint($path))));
|
|
}
|
|
}
|
|
static public function find($path){
|
|
if($storage=self::getStorage($path)){
|
|
$mp=self::getMountPoint($path);
|
|
$return=$storage->find(substr($path,strlen($mp)));
|
|
foreach($return as &$file){
|
|
$file=$mp.$file;
|
|
}
|
|
}
|
|
return $return;
|
|
}
|
|
}
|
|
?>
|