WordPress 4.3
[autoinstalls/wordpress.git] / wp-admin / includes / class-ftp-pure.php
1 <?php
2 /**
3  * PemFTP - A Ftp implementation in pure PHP
4  *
5  * @package PemFTP
6  * @since 2.5.0
7  *
8  * @version 1.0
9  * @copyright Alexey Dotsenko
10  * @author Alexey Dotsenko
11  * @link http://www.phpclasses.org/browse/package/1743.html Site
12  * @license LGPL http://www.opensource.org/licenses/lgpl-license.html
13  */
14
15 /**
16  * FTP implementation using fsockopen to connect.
17  *
18  * @package PemFTP
19  * @subpackage Pure
20  * @since 2.5.0
21  *
22  * @version 1.0
23  * @copyright Alexey Dotsenko
24  * @author Alexey Dotsenko
25  * @link http://www.phpclasses.org/browse/package/1743.html Site
26  * @license LGPL http://www.opensource.org/licenses/lgpl-license.html
27  */
28 class ftp extends ftp_base {
29
30         function __construct($verb=FALSE, $le=FALSE) {
31                 parent::__construct(false, $verb, $le);
32         }
33
34         function ftp($verb=FALSE, $le=FALSE) {
35                 $this->__construct($verb, $le);
36         }
37
38 // <!-- --------------------------------------------------------------------------------------- -->
39 // <!--       Private functions                                                                 -->
40 // <!-- --------------------------------------------------------------------------------------- -->
41
42         function _settimeout($sock) {
43                 if(!@stream_set_timeout($sock, $this->_timeout)) {
44                         $this->PushError('_settimeout','socket set send timeout');
45                         $this->_quit();
46                         return FALSE;
47                 }
48                 return TRUE;
49         }
50
51         function _connect($host, $port) {
52                 $this->SendMSG("Creating socket");
53                 $sock = @fsockopen($host, $port, $errno, $errstr, $this->_timeout);
54                 if (!$sock) {
55                         $this->PushError('_connect','socket connect failed', $errstr." (".$errno.")");
56                         return FALSE;
57                 }
58                 $this->_connected=true;
59                 return $sock;
60         }
61
62         function _readmsg($fnction="_readmsg"){
63                 if(!$this->_connected) {
64                         $this->PushError($fnction, 'Connect first');
65                         return FALSE;
66                 }
67                 $result=true;
68                 $this->_message="";
69                 $this->_code=0;
70                 $go=true;
71                 do {
72                         $tmp=@fgets($this->_ftp_control_sock, 512);
73                         if($tmp===false) {
74                                 $go=$result=false;
75                                 $this->PushError($fnction,'Read failed');
76                         } else {
77                                 $this->_message.=$tmp;
78                                 if(preg_match("/^([0-9]{3})(-(.*[".CRLF."]{1,2})+\\1)? [^".CRLF."]+[".CRLF."]{1,2}$/", $this->_message, $regs)) $go=false;
79                         }
80                 } while($go);
81                 if($this->LocalEcho) echo "GET < ".rtrim($this->_message, CRLF).CRLF;
82                 $this->_code=(int)$regs[1];
83                 return $result;
84         }
85
86         function _exec($cmd, $fnction="_exec") {
87                 if(!$this->_ready) {
88                         $this->PushError($fnction,'Connect first');
89                         return FALSE;
90                 }
91                 if($this->LocalEcho) echo "PUT > ",$cmd,CRLF;
92                 $status=@fputs($this->_ftp_control_sock, $cmd.CRLF);
93                 if($status===false) {
94                         $this->PushError($fnction,'socket write failed');
95                         return FALSE;
96                 }
97                 $this->_lastaction=time();
98                 if(!$this->_readmsg($fnction)) return FALSE;
99                 return TRUE;
100         }
101
102         function _data_prepare($mode=FTP_ASCII) {
103                 if(!$this->_settype($mode)) return FALSE;
104                 if($this->_passive) {
105                         if(!$this->_exec("PASV", "pasv")) {
106                                 $this->_data_close();
107                                 return FALSE;
108                         }
109                         if(!$this->_checkCode()) {
110                                 $this->_data_close();
111                                 return FALSE;
112                         }
113                         $ip_port = explode(",", ereg_replace("^.+ \\(?([0-9]{1,3},[0-9]{1,3},[0-9]{1,3},[0-9]{1,3},[0-9]+,[0-9]+)\\)?.*".CRLF."$", "\\1", $this->_message));
114                         $this->_datahost=$ip_port[0].".".$ip_port[1].".".$ip_port[2].".".$ip_port[3];
115             $this->_dataport=(((int)$ip_port[4])<<8) + ((int)$ip_port[5]);
116                         $this->SendMSG("Connecting to ".$this->_datahost.":".$this->_dataport);
117                         $this->_ftp_data_sock=@fsockopen($this->_datahost, $this->_dataport, $errno, $errstr, $this->_timeout);
118                         if(!$this->_ftp_data_sock) {
119                                 $this->PushError("_data_prepare","fsockopen fails", $errstr." (".$errno.")");
120                                 $this->_data_close();
121                                 return FALSE;
122                         }
123                         else $this->_ftp_data_sock;
124                 } else {
125                         $this->SendMSG("Only passive connections available!");
126                         return FALSE;
127                 }
128                 return TRUE;
129         }
130
131         function _data_read($mode=FTP_ASCII, $fp=NULL) {
132                 if(is_resource($fp)) $out=0;
133                 else $out="";
134                 if(!$this->_passive) {
135                         $this->SendMSG("Only passive connections available!");
136                         return FALSE;
137                 }
138                 while (!feof($this->_ftp_data_sock)) {
139                         $block=fread($this->_ftp_data_sock, $this->_ftp_buff_size);
140                         if($mode!=FTP_BINARY) $block=preg_replace("/\r\n|\r|\n/", $this->_eol_code[$this->OS_local], $block);
141                         if(is_resource($fp)) $out+=fwrite($fp, $block, strlen($block));
142                         else $out.=$block;
143                 }
144                 return $out;
145         }
146
147         function _data_write($mode=FTP_ASCII, $fp=NULL) {
148                 if(is_resource($fp)) $out=0;
149                 else $out="";
150                 if(!$this->_passive) {
151                         $this->SendMSG("Only passive connections available!");
152                         return FALSE;
153                 }
154                 if(is_resource($fp)) {
155                         while(!feof($fp)) {
156                                 $block=fread($fp, $this->_ftp_buff_size);
157                                 if(!$this->_data_write_block($mode, $block)) return false;
158                         }
159                 } elseif(!$this->_data_write_block($mode, $fp)) return false;
160                 return TRUE;
161         }
162
163         function _data_write_block($mode, $block) {
164                 if($mode!=FTP_BINARY) $block=preg_replace("/\r\n|\r|\n/", $this->_eol_code[$this->OS_remote], $block);
165                 do {
166                         if(($t=@fwrite($this->_ftp_data_sock, $block))===FALSE) {
167                                 $this->PushError("_data_write","Can't write to socket");
168                                 return FALSE;
169                         }
170                         $block=substr($block, $t);
171                 } while(!empty($block));
172                 return true;
173         }
174
175         function _data_close() {
176                 @fclose($this->_ftp_data_sock);
177                 $this->SendMSG("Disconnected data from remote host");
178                 return TRUE;
179         }
180
181         function _quit($force=FALSE) {
182                 if($this->_connected or $force) {
183                         @fclose($this->_ftp_control_sock);
184                         $this->_connected=false;
185                         $this->SendMSG("Socket closed");
186                 }
187         }
188 }
189
190 ?>