157 lines
4.1 KiB
PHP
157 lines
4.1 KiB
PHP
<?php
|
|
/**
|
|
* @author Bart Visscher <bartv@thisnet.nl>
|
|
* @author Björn Schießle <bjoern@schiessle.org>
|
|
* @author Felix Moeller <mail@felixmoeller.de>
|
|
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
|
|
* @author Michael Gapczynski <GapczynskiM@gmail.com>
|
|
* @author Morris Jobke <hey@morrisjobke.de>
|
|
* @author Philipp Kapfer <philipp.kapfer@gmx.at>
|
|
* @author Robin Appelman <icewind@owncloud.com>
|
|
* @author Robin McCorkell <robin@mccorkell.me.uk>
|
|
* @author Senorsen <senorsen.zhang@gmail.com>
|
|
* @author Thomas Müller <thomas.mueller@tmit.eu>
|
|
* @author Vincent Petry <pvince81@owncloud.com>
|
|
*
|
|
* @copyright Copyright (c) 2016, ownCloud, Inc.
|
|
* @license AGPL-3.0
|
|
*
|
|
* This code is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License, version 3,
|
|
* as published by the Free Software Foundation.
|
|
*
|
|
* This program 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, version 3,
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>
|
|
*
|
|
*/
|
|
|
|
namespace OCA\Files_External\Lib\Storage;
|
|
|
|
use Icewind\Streams\RetryWrapper;
|
|
|
|
class FTP extends StreamWrapper{
|
|
private $password;
|
|
private $user;
|
|
private $host;
|
|
private $secure;
|
|
private $root;
|
|
|
|
private static $tempFiles=array();
|
|
|
|
public function __construct($params) {
|
|
if (isset($params['host']) && isset($params['user']) && isset($params['password'])) {
|
|
$this->host=$params['host'];
|
|
$this->user=$params['user'];
|
|
$this->password=$params['password'];
|
|
if (isset($params['secure'])) {
|
|
$this->secure = $params['secure'];
|
|
} else {
|
|
$this->secure = false;
|
|
}
|
|
$this->root=isset($params['root'])?$params['root']:'/';
|
|
if ( ! $this->root || $this->root[0]!='/') {
|
|
$this->root='/'.$this->root;
|
|
}
|
|
if (substr($this->root, -1) !== '/') {
|
|
$this->root .= '/';
|
|
}
|
|
} else {
|
|
throw new \Exception('Creating FTP storage failed');
|
|
}
|
|
|
|
}
|
|
|
|
public function getId(){
|
|
return 'ftp::' . $this->user . '@' . $this->host . '/' . $this->root;
|
|
}
|
|
|
|
/**
|
|
* construct the ftp url
|
|
* @param string $path
|
|
* @return string
|
|
*/
|
|
public function constructUrl($path) {
|
|
$url='ftp';
|
|
if ($this->secure) {
|
|
$url.='s';
|
|
}
|
|
$url.='://'.urlencode($this->user).':'.urlencode($this->password).'@'.$this->host.$this->root.$path;
|
|
return $url;
|
|
}
|
|
|
|
/**
|
|
* Unlinks file or directory
|
|
* @param string $path
|
|
*/
|
|
public function unlink($path) {
|
|
if ($this->is_dir($path)) {
|
|
return $this->rmdir($path);
|
|
}
|
|
else {
|
|
$url = $this->constructUrl($path);
|
|
$result = unlink($url);
|
|
clearstatcache(true, $url);
|
|
return $result;
|
|
}
|
|
}
|
|
public function fopen($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)));
|
|
$handle = fopen($this->constructUrl($path), $mode, false, $context);
|
|
return RetryWrapper::wrap($handle);
|
|
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\Files\Stream\Close::registerCallback($tmpFile, array($this, 'writeBack'));
|
|
if ($this->file_exists($path)) {
|
|
$this->getFile($path, $tmpFile);
|
|
}
|
|
self::$tempFiles[$tmpFile]=$path;
|
|
return fopen('close://'.$tmpFile, $mode);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public function writeBack($tmpFile) {
|
|
if (isset(self::$tempFiles[$tmpFile])) {
|
|
$this->uploadFile($tmpFile, self::$tempFiles[$tmpFile]);
|
|
unlink($tmpFile);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* check if php-ftp is installed
|
|
*/
|
|
public static function checkDependencies() {
|
|
if (function_exists('ftp_login')) {
|
|
return(true);
|
|
} else {
|
|
return array('ftp');
|
|
}
|
|
}
|
|
|
|
}
|