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
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
|
<?php
/**
* PemFTP - A Ftp implementation in pure PHP
*
* @package PemFTP
* @since 2.5.0
*
* @version 1.0
* @copyright Alexey Dotsenko
* @author Alexey Dotsenko
* @link http://www.phpclasses.org/browse/package/1743.html Site
* @license LGPL http://www.opensource.org/licenses/lgpl-license.html
*/
/**
* FTP implementation using fsockopen to connect.
*
* @package PemFTP
* @subpackage Pure
* @since 2.5.0
*
* @version 1.0
* @copyright Alexey Dotsenko
* @author Alexey Dotsenko
* @link http://www.phpclasses.org/browse/package/1743.html Site
* @license LGPL http://www.opensource.org/licenses/lgpl-license.html
*/
class ftp extends ftp_base {
function ftp($verb=FALSE, $le=FALSE) {
$this->__construct($verb, $le);
}
function __construct($verb=FALSE, $le=FALSE) {
parent::__construct(false, $verb, $le);
}
// <!-- --------------------------------------------------------------------------------------- -->
// <!-- Private functions -->
// <!-- --------------------------------------------------------------------------------------- -->
function _settimeout($sock) {
if(!@stream_set_timeout($sock, $this->_timeout)) {
$this->PushError('_settimeout','socket set send timeout');
$this->_quit();
return FALSE;
}
return TRUE;
}
function _connect($host, $port) {
$this->SendMSG("Creating socket");
$sock = @fsockopen($host, $port, $errno, $errstr, $this->_timeout);
if (!$sock) {
$this->PushError('_connect','socket connect failed', $errstr." (".$errno.")");
return FALSE;
}
$this->_connected=true;
return $sock;
}
function _readmsg($fnction="_readmsg"){
if(!$this->_connected) {
$this->PushError($fnction, 'Connect first');
return FALSE;
}
$result=true;
$this->_message="";
$this->_code=0;
$go=true;
do {
$tmp=@fgets($this->_ftp_control_sock, 512);
if($tmp===false) {
$go=$result=false;
$this->PushError($fnction,'Read failed');
} else {
$this->_message.=$tmp;
if(preg_match("/^([0-9]{3})(-(.*[".CRLF."]{1,2})+\\1)? [^".CRLF."]+[".CRLF."]{1,2}$/", $this->_message, $regs)) $go=false;
}
} while($go);
if($this->LocalEcho) echo "GET < ".rtrim($this->_message, CRLF).CRLF;
$this->_code=(int)$regs[1];
return $result;
}
function _exec($cmd, $fnction="_exec") {
if(!$this->_ready) {
$this->PushError($fnction,'Connect first');
return FALSE;
}
if($this->LocalEcho) echo "PUT > ",$cmd,CRLF;
$status=@fputs($this->_ftp_control_sock, $cmd.CRLF);
if($status===false) {
$this->PushError($fnction,'socket write failed');
return FALSE;
}
$this->_lastaction=time();
if(!$this->_readmsg($fnction)) return FALSE;
return TRUE;
}
function _data_prepare($mode=FTP_ASCII) {
if(!$this->_settype($mode)) return FALSE;
if($this->_passive) {
if(!$this->_exec("PASV", "pasv")) {
$this->_data_close();
return FALSE;
}
if(!$this->_checkCode()) {
$this->_data_close();
return FALSE;
}
$ip_port = explode(",", ereg_replace("^.+ \\(?([0-9]{1,3},[0-9]{1,3},[0-9]{1,3},[0-9]{1,3},[0-9]+,[0-9]+)\\)?.*".CRLF."$", "\\1", $this->_message));
$this->_datahost=$ip_port[0].".".$ip_port[1].".".$ip_port[2].".".$ip_port[3];
$this->_dataport=(((int)$ip_port[4])<<8) + ((int)$ip_port[5]);
$this->SendMSG("Connecting to ".$this->_datahost.":".$this->_dataport);
$this->_ftp_data_sock=@fsockopen($this->_datahost, $this->_dataport, $errno, $errstr, $this->_timeout);
if(!$this->_ftp_data_sock) {
$this->PushError("_data_prepare","fsockopen fails", $errstr." (".$errno.")");
$this->_data_close();
return FALSE;
}
else $this->_ftp_data_sock;
} else {
$this->SendMSG("Only passive connections available!");
return FALSE;
}
return TRUE;
}
function _data_read($mode=FTP_ASCII, $fp=NULL) {
if(is_resource($fp)) $out=0;
else $out="";
if(!$this->_passive) {
$this->SendMSG("Only passive connections available!");
return FALSE;
}
while (!feof($this->_ftp_data_sock)) {
$block=fread($this->_ftp_data_sock, $this->_ftp_buff_size);
if($mode!=FTP_BINARY) $block=preg_replace("/\r\n|\r|\n/", $this->_eol_code[$this->OS_local], $block);
if(is_resource($fp)) $out+=fwrite($fp, $block, strlen($block));
else $out.=$block;
}
return $out;
}
function _data_write($mode=FTP_ASCII, $fp=NULL) {
if(is_resource($fp)) $out=0;
else $out="";
if(!$this->_passive) {
$this->SendMSG("Only passive connections available!");
return FALSE;
}
if(is_resource($fp)) {
while(!feof($fp)) {
$block=fread($fp, $this->_ftp_buff_size);
if(!$this->_data_write_block($mode, $block)) return false;
}
} elseif(!$this->_data_write_block($mode, $fp)) return false;
return TRUE;
}
function _data_write_block($mode, $block) {
if($mode!=FTP_BINARY) $block=preg_replace("/\r\n|\r|\n/", $this->_eol_code[$this->OS_remote], $block);
do {
if(($t=@fwrite($this->_ftp_data_sock, $block))===FALSE) {
$this->PushError("_data_write","Can't write to socket");
return FALSE;
}
$block=substr($block, $t);
} while(!empty($block));
return true;
}
function _data_close() {
@fclose($this->_ftp_data_sock);
$this->SendMSG("Disconnected data from remote host");
return TRUE;
}
function _quit($force=FALSE) {
if($this->_connected or $force) {
@fclose($this->_ftp_control_sock);
$this->_connected=false;
$this->SendMSG("Socket closed");
}
}
}
?>
|