Wordpress 2.9-scripts
[autoinstalls/wordpress.git] / wp-admin / includes / class-wp-filesystem-ftpext.php
1 <?php
2 /**
3  * WordPress FTP Filesystem.
4  *
5  * @package WordPress
6  * @subpackage Filesystem
7  */
8
9 /**
10  * WordPress Filesystem Class for implementing FTP.
11  *
12  * @since 2.5
13  * @package WordPress
14  * @subpackage Filesystem
15  * @uses WP_Filesystem_Base Extends class
16  */
17 class WP_Filesystem_FTPext extends WP_Filesystem_Base {
18         var $link;
19         var $errors = null;
20         var $options = array();
21
22         function WP_Filesystem_FTPext($opt='') {
23                 $this->method = 'ftpext';
24                 $this->errors = new WP_Error();
25
26                 //Check if possible to use ftp functions.
27                 if ( ! extension_loaded('ftp') ) {
28                         $this->errors->add('no_ftp_ext', __('The ftp PHP extension is not available'));
29                         return false;
30                 }
31
32                 // Set defaults:
33                 //This Class uses the timeout on a per-connection basis, Others use it on a per-action basis.
34
35                 if ( ! defined('FS_TIMEOUT') )
36                         define('FS_TIMEOUT', 240);
37
38                 if ( empty($opt['port']) )
39                         $this->options['port'] = 21;
40                 else
41                         $this->options['port'] = $opt['port'];
42
43                 if ( empty($opt['hostname']) )
44                         $this->errors->add('empty_hostname', __('FTP hostname is required'));
45                 else
46                         $this->options['hostname'] = $opt['hostname'];
47
48                 if ( isset($opt['base']) && ! empty($opt['base']) )
49                         $this->wp_base = $opt['base'];
50
51                 // Check if the options provided are OK.
52                 if ( empty($opt['username']) )
53                         $this->errors->add('empty_username', __('FTP username is required'));
54                 else
55                         $this->options['username'] = $opt['username'];
56
57                 if ( empty($opt['password']) )
58                         $this->errors->add('empty_password', __('FTP password is required'));
59                 else
60                         $this->options['password'] = $opt['password'];
61
62                 $this->options['ssl'] = false;
63                 if ( isset($opt['connection_type']) && 'ftps' == $opt['connection_type'] )
64                         $this->options['ssl'] = true;
65         }
66
67         function connect() {
68                 if ( isset($this->options['ssl']) && $this->options['ssl'] && function_exists('ftp_ssl_connect') )
69                         $this->link = @ftp_ssl_connect($this->options['hostname'], $this->options['port'], FS_CONNECT_TIMEOUT);
70                 else
71                         $this->link = @ftp_connect($this->options['hostname'], $this->options['port'], FS_CONNECT_TIMEOUT);
72
73                 if ( ! $this->link ) {
74                         $this->errors->add('connect', sprintf(__('Failed to connect to FTP Server %1$s:%2$s'), $this->options['hostname'], $this->options['port']));
75                         return false;
76                 }
77
78                 if ( ! @ftp_login($this->link,$this->options['username'], $this->options['password']) ) {
79                         $this->errors->add('auth', sprintf(__('Username/Password incorrect for %s'), $this->options['username']));
80                         return false;
81                 }
82
83                 //Set the Connection to use Passive FTP
84                 @ftp_pasv( $this->link, true );
85                 if ( @ftp_get_option($this->link, FTP_TIMEOUT_SEC) < FS_TIMEOUT )
86                         @ftp_set_option($this->link, FTP_TIMEOUT_SEC, FS_TIMEOUT);
87
88                 return true;
89         }
90
91         function get_contents($file, $type = '', $resumepos = 0 ) {
92                 if ( empty($type) )
93                         $type = FTP_BINARY;
94
95                 $temp = tmpfile();
96                 if ( ! $temp )
97                         return false;
98
99                 if ( ! @ftp_fget($this->link, $temp, $file, $type, $resumepos) )
100                         return false;
101
102                 fseek($temp, 0); //Skip back to the start of the file being written to
103                 $contents = '';
104
105                 while ( ! feof($temp) )
106                         $contents .= fread($temp, 8192);
107
108                 fclose($temp);
109                 return $contents;
110         }
111         function get_contents_array($file) {
112                 return explode("\n", $this->get_contents($file));
113         }
114         function put_contents($file, $contents, $type = '' ) {
115                 if ( empty($type) )
116                         $type = $this->is_binary($contents) ? FTP_BINARY : FTP_ASCII;
117
118                 $temp = tmpfile();
119                 if ( ! $temp )
120                         return false;
121
122                 fwrite($temp, $contents);
123                 fseek($temp, 0); //Skip back to the start of the file being written to
124
125                 $ret = @ftp_fput($this->link, $file, $temp, $type);
126
127                 fclose($temp);
128                 return $ret;
129         }
130         function cwd() {
131                 $cwd = @ftp_pwd($this->link);
132                 if ( $cwd )
133                         $cwd = trailingslashit($cwd);
134                 return $cwd;
135         }
136         function chdir($dir) {
137                 return @ftp_chdir($this->link, $dir);
138         }
139         function chgrp($file, $group, $recursive = false ) {
140                 return false;
141         }
142         function chmod($file, $mode = false, $recursive = false) {
143                 if ( ! $this->exists($file) && ! $this->is_dir($file) )
144                         return false;
145
146                 if ( ! $mode ) {
147                         if ( $this->is_file($file) )
148                                 $mode = FS_CHMOD_FILE;
149                         elseif ( $this->is_dir($file) )
150                                 $mode = FS_CHMOD_DIR;
151                         else
152                                 return false;
153                 }
154
155                 if ( ! $recursive || ! $this->is_dir($file) ) {
156                         if ( ! function_exists('ftp_chmod') )
157                                 return @ftp_site($this->link, sprintf('CHMOD %o %s', $mode, $file));
158                         return @ftp_chmod($this->link, $mode, $file);
159                 }
160                 //Is a directory, and we want recursive
161                 $filelist = $this->dirlist($file);
162                 foreach ( $filelist as $filename ) {
163                         $this->chmod($file . '/' . $filename, $mode, $recursive);
164                 }
165                 return true;
166         }
167         function chown($file, $owner, $recursive = false ) {
168                 return false;
169         }
170         function owner($file) {
171                 $dir = $this->dirlist($file);
172                 return $dir[$file]['owner'];
173         }
174         function getchmod($file) {
175                 $dir = $this->dirlist($file);
176                 return $dir[$file]['permsn'];
177         }
178         function group($file) {
179                 $dir = $this->dirlist($file);
180                 return $dir[$file]['group'];
181         }
182         function copy($source, $destination, $overwrite = false ) {
183                 if ( ! $overwrite && $this->exists($destination) )
184                         return false;
185                 $content = $this->get_contents($source);
186                 if ( false === $content)
187                         return false;
188                 return $this->put_contents($destination, $content);
189         }
190         function move($source, $destination, $overwrite = false) {
191                 return ftp_rename($this->link, $source, $destination);
192         }
193
194         function delete($file, $recursive = false ) {
195                 if ( empty($file) )
196                         return false;
197                 if ( $this->is_file($file) )
198                         return @ftp_delete($this->link, $file);
199                 if ( !$recursive )
200                         return @ftp_rmdir($this->link, $file);
201
202                 $filelist = $this->dirlist( trailingslashit($file) );
203                 if ( !empty($filelist) )
204                         foreach ( $filelist as $delete_file )
205                                 $this->delete( trailingslashit($file) . $delete_file['name'], $recursive);
206                 return @ftp_rmdir($this->link, $file);
207         }
208
209         function exists($file) {
210                 $list = @ftp_nlist($this->link, $file);
211                 return !empty($list); //empty list = no file, so invert.
212         }
213         function is_file($file) {
214                 return $this->exists($file) && !$this->is_dir($file);
215         }
216         function is_dir($path) {
217                 $cwd = $this->cwd();
218                 $result = @ftp_chdir($this->link, trailingslashit($path) );
219                 if ( $result && $path == $this->cwd() || $this->cwd() != $cwd ) {
220                         @ftp_chdir($this->link, $cwd);
221                         return true;
222                 }
223                 return false;
224         }
225         function is_readable($file) {
226                 //Get dir list, Check if the file is readable by the current user??
227                 return true;
228         }
229         function is_writable($file) {
230                 //Get dir list, Check if the file is writable by the current user??
231                 return true;
232         }
233         function atime($file) {
234                 return false;
235         }
236         function mtime($file) {
237                 return ftp_mdtm($this->link, $file);
238         }
239         function size($file) {
240                 return ftp_size($this->link, $file);
241         }
242         function touch($file, $time = 0, $atime = 0) {
243                 return false;
244         }
245         function mkdir($path, $chmod = false, $chown = false, $chgrp = false) {
246                 if  ( !ftp_mkdir($this->link, $path) )
247                         return false;
248                 if ( ! $chmod )
249                         $chmod = FS_CHMOD_DIR;
250                 $this->chmod($path, $chmod);
251                 if ( $chown )
252                         $this->chown($path, $chown);
253                 if ( $chgrp )
254                         $this->chgrp($path, $chgrp);
255                 return true;
256         }
257         function rmdir($path, $recursive = false) {
258                 return $this->delete($path, $recursive);
259         }
260
261         function parselisting($line) {
262                 static $is_windows;
263                 if ( is_null($is_windows) )
264                         $is_windows = strpos( strtolower(ftp_systype($this->link)), 'win') !== false;
265
266                 if ( $is_windows && preg_match("/([0-9]{2})-([0-9]{2})-([0-9]{2}) +([0-9]{2}):([0-9]{2})(AM|PM) +([0-9]+|<DIR>) +(.+)/", $line, $lucifer) ) {
267                         $b = array();
268                         if ( $lucifer[3] < 70 ) { $lucifer[3] +=2000; } else { $lucifer[3] += 1900; } // 4digit year fix
269                         $b['isdir'] = ($lucifer[7]=="<DIR>");
270                         if ( $b['isdir'] )
271                                 $b['type'] = 'd';
272                         else
273                                 $b['type'] = 'f';
274                         $b['size'] = $lucifer[7];
275                         $b['month'] = $lucifer[1];
276                         $b['day'] = $lucifer[2];
277                         $b['year'] = $lucifer[3];
278                         $b['hour'] = $lucifer[4];
279                         $b['minute'] = $lucifer[5];
280                         $b['time'] = @mktime($lucifer[4]+(strcasecmp($lucifer[6],"PM")==0?12:0),$lucifer[5],0,$lucifer[1],$lucifer[2],$lucifer[3]);
281                         $b['am/pm'] = $lucifer[6];
282                         $b['name'] = $lucifer[8];
283                 } else if (!$is_windows && $lucifer=preg_split("/[ ]/",$line,9,PREG_SPLIT_NO_EMPTY)) {
284                         //echo $line."\n";
285                         $lcount=count($lucifer);
286                         if ($lcount<8) return '';
287                         $b = array();
288                         $b['isdir'] = $lucifer[0]{0} === "d";
289                         $b['islink'] = $lucifer[0]{0} === "l";
290                         if ( $b['isdir'] )
291                                 $b['type'] = 'd';
292                         elseif ( $b['islink'] )
293                                 $b['type'] = 'l';
294                         else
295                                 $b['type'] = 'f';
296                         $b['perms'] = $lucifer[0];
297                         $b['number'] = $lucifer[1];
298                         $b['owner'] = $lucifer[2];
299                         $b['group'] = $lucifer[3];
300                         $b['size'] = $lucifer[4];
301                         if ($lcount==8) {
302                                 sscanf($lucifer[5],"%d-%d-%d",$b['year'],$b['month'],$b['day']);
303                                 sscanf($lucifer[6],"%d:%d",$b['hour'],$b['minute']);
304                                 $b['time'] = @mktime($b['hour'],$b['minute'],0,$b['month'],$b['day'],$b['year']);
305                                 $b['name'] = $lucifer[7];
306                         } else {
307                                 $b['month'] = $lucifer[5];
308                                 $b['day'] = $lucifer[6];
309                                 if (preg_match("/([0-9]{2}):([0-9]{2})/",$lucifer[7],$l2)) {
310                                         $b['year'] = date("Y");
311                                         $b['hour'] = $l2[1];
312                                         $b['minute'] = $l2[2];
313                                 } else {
314                                         $b['year'] = $lucifer[7];
315                                         $b['hour'] = 0;
316                                         $b['minute'] = 0;
317                                 }
318                                 $b['time'] = strtotime(sprintf("%d %s %d %02d:%02d",$b['day'],$b['month'],$b['year'],$b['hour'],$b['minute']));
319                                 $b['name'] = $lucifer[8];
320                         }
321                 }
322
323                 return $b;
324         }
325
326         function dirlist($path = '.', $include_hidden = true, $recursive = false) {
327                 if ( $this->is_file($path) ) {
328                         $limit_file = basename($path);
329                         $path = dirname($path) . '/';
330                 } else {
331                         $limit_file = false;
332                 }
333
334                 $list = @ftp_rawlist($this->link, '-a ' . $path, false);
335
336                 if ( $list === false )
337                         return false;
338
339                 $dirlist = array();
340                 foreach ( $list as $k => $v ) {
341                         $entry = $this->parselisting($v);
342                         if ( empty($entry) )
343                                 continue;
344
345                         if ( '.' == $entry['name'] || '..' == $entry['name'] )
346                                 continue;
347
348                         if ( ! $include_hidden && '.' == $entry['name'][0] )
349                                 continue;
350
351                         if ( $limit_file && $entry['name'] != $limit_file)
352                                 continue;
353
354                         $dirlist[ $entry['name'] ] = $entry;
355                 }
356
357                 if ( ! $dirlist )
358                         return false;
359
360                 $ret = array();
361                 foreach ( (array)$dirlist as $struc ) {
362                         if ( 'd' == $struc['type'] ) {
363                                 if ( $recursive )
364                                         $struc['files'] = $this->dirlist($path . '/' . $struc['name'], $include_hidden, $recursive);
365                                 else
366                                         $struc['files'] = array();
367                         }
368
369                         $ret[ $struc['name'] ] = $struc;
370                 }
371                 return $ret;
372         }
373
374         function __destruct() {
375                 if ( $this->link )
376                         ftp_close($this->link);
377         }
378 }
379
380 ?>