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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.
*/
namespace OC\Files\Storage;
require_once 'smb4php/smb.php';
class SMB extends \OC\Files\Storage\StreamWrapper{
private $password;
private $user;
private $host;
private $root;
private $share;
public function __construct($params) {
if (isset($params['host']) && isset($params['user']) && isset($params['password']) && isset($params['share'])) {
$this->host=$params['host'];
$this->user=$params['user'];
$this->password=$params['password'];
$this->share=$params['share'];
$this->root=isset($params['root'])?$params['root']:'/';
if ( ! $this->root || $this->root[0]!='/') {
$this->root='/'.$this->root;
}
if (substr($this->root, -1, 1)!='/') {
$this->root.='/';
}
if ( ! $this->share || $this->share[0]!='/') {
$this->share='/'.$this->share;
}
if (substr($this->share, -1, 1)=='/') {
$this->share = substr($this->share, 0, -1);
}
} else {
throw new \Exception();
}
}
public function getId(){
return 'smb::' . $this->user . '@' . $this->host . '/' . $this->share . '/' . $this->root;
}
public function constructUrl($path) {
if (substr($path, -1)=='/') {
$path=substr($path, 0, -1);
}
$path = urlencode($path);
$user = urlencode($this->user);
$pass = urlencode($this->password);
return 'smb://'.$user.':'.$pass.'@'.$this->host.$this->share.$this->root.$path;
}
public function stat($path) {
if ( ! $path and $this->root=='/') {//mtime doesn't work for shares
$stat=stat($this->constructUrl($path));
if (empty($stat)) {
return false;
}
$mtime=$this->shareMTime();
$stat['mtime']=$mtime;
return $stat;
} else {
$stat = stat($this->constructUrl($path));
// smb4php can return an empty array if the connection could not be established
if (empty($stat)) {
return false;
}
return $stat;
}
}
/**
* check if a file or folder has been updated since $time
* @param string $path
* @param int $time
* @return bool
*/
public function hasUpdated($path,$time) {
if(!$path and $this->root=='/') {
// mtime doesn't work for shares, but giving the nature of the backend,
// doing a full update is still just fast enough
return true;
} else {
$actualTime=$this->filemtime($path);
return $actualTime>$time;
}
}
/**
* get the best guess for the modification time of the share
*/
private function shareMTime() {
$dh=$this->opendir('');
$lastCtime=0;
while (($file = readdir($dh)) !== false) {
if ($file!='.' and $file!='..') {
$ctime=$this->filemtime($file);
if ($ctime>$lastCtime) {
$lastCtime=$ctime;
}
}
}
return $lastCtime;
}
}
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