1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Björn Schießle <bjoern@schiessle.org>
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Felix Moeller <mail@felixmoeller.de>
* @author Joas Schilling <coding@schilljs.com>
* @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 <robin@icewind.nl>
* @author Robin McCorkell <robin@mccorkell.me.uk>
* @author Roeland Jago Douma <roeland@famdouma.nl>
* @author Senorsen <senorsen.zhang@gmail.com>
* @author Thomas Müller <thomas.mueller@tmit.eu>
* @author Vincent Petry <pvince81@owncloud.com>
*
* @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\CallbackWrapper;
use Icewind\Streams\RetryWrapper;
class FTP extends StreamWrapper {
private $password;
private $user;
private $host;
private $secure;
private $root;
public function __construct($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(['ftp' => ['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='';
}
$tmpFile = \OC::$server->getTempManager()->getTemporaryFile();
if ($this->file_exists($path)) {
$this->getFile($path, $tmpFile);
}
$handle = fopen($tmpFile, $mode);
return CallbackWrapper::wrap($handle, null, null, function () use ($path, $tmpFile) {
$this->writeBack($tmpFile, $path);
});
}
return false;
}
public function writeBack($tmpFile, $path) {
$this->uploadFile($tmpFile, $path);
unlink($tmpFile);
}
/**
* check if php-ftp is installed
*/
public static function checkDependencies() {
if (function_exists('ftp_login')) {
return true;
} else {
return ['ftp'];
}
}
}
|
