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<?php
/**
* Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
class OC_FileStorage_FTP extends OC_Filestorage_Common{
private $password;
private $user;
private $host;
private $secure;
private $root;
private static $tempFiles=array();
public function __construct($params){
$this->host=$params['host'];
$this->user=$params['user'];
$this->password=$params['password'];
$this->secure=isset($params['secure'])?(bool)$params['secure']:false;
$this->root=isset($params['root'])?$params['root']:'/';
if(substr($this->root,0,1)!='/'){
$this->root='/'.$this->root;
}
//create the root folder if necesary
mkdir($this->constructUrl(''));
}
/**
* construct the ftp url
* @param string path
* @return string
*/
public function constructUrl($path){
$url='ftp';
if($this->secure){
$url.='s';
}
$url.='://'.$this->user.':'.$this->password.'@'.$this->host.$this->root.$path;
return $url;
}
public function mkdir($path){
return mkdir($this->constructUrl($path));
}
public function rmdir($path){
if($this->file_exists($path)){
$succes=rmdir($this->constructUrl($path));
clearstatcache();
return $succes;
}else{
return false;
}
}
public function opendir($path){
return opendir($this->constructUrl($path));
}
public function filetype($path){
return filetype($this->constructUrl($path));
}
public function is_readable($path){
return true;//not properly supported
}
public function is_writable($path){
return true;//not properly supported
}
public function file_exists($path){
return file_exists($this->constructUrl($path));
}
public function unlink($path){
$succes=unlink($this->constructUrl($path));
clearstatcache();
return $succes;
}
public function fopen($path,$mode){
switch($mode){
case 'r':
case 'rb':
case 'w':
case 'wb':
case 'a':
case 'ab':
//these are supported by the wrapper
$context = stream_context_create(array('ftp' => array('overwrite' => true)));
return fopen($this->constructUrl($path),$mode,false,$context);
case 'r+':
case 'w+':
case 'wb+':
case 'a+':
case 'x':
case 'x+':
case 'c':
case 'c+':
//emulate these
if(strrpos($path,'.')!==false){
$ext=substr($path,strrpos($path,'.'));
}else{
$ext='';
}
$tmpFile=OCP\Files::tmpFile($ext);
OC_CloseStreamWrapper::$callBacks[$tmpFile]=array($this,'writeBack');
if($this->file_exists($path)){
$this->getFile($path,$tmpFile);
}
self::$tempFiles[$tmpFile]=$path;
return fopen('close://'.$tmpFile,$mode);
}
}
public function writeBack($tmpFile){
if(isset(self::$tempFiles[$tmpFile])){
$this->uploadFile($tmpFile,self::$tempFiles[$tmpFile]);
unlink($tmpFile);
}
}
public function free_space($path){
return 0;
}
public function touch($path,$mtime=null){
if(is_null($mtime)){
$fh=$this->fopen($path,'a');
fwrite($fh,'');
fclose($fh);
}else{
return false;//not supported
}
}
public function getFile($path,$target){
return copy($this->constructUrl($path),$target);
}
public function uploadFile($path,$target){
return copy($path,$this->constructUrl($target));
}
public function rename($path1,$path2){
return rename($this->constructUrl($path1),$this->constructUrl($path2));
}
public function stat($path){
return stat($this->constructUrl($path));
}
}
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