Projects : mp-wp : mp-wp_svg-screenshots-and-errorreporting-r2
1 | <?php |
2 | /** |
3 | * Base WordPress Filesystem. |
4 | * |
5 | * @package WordPress |
6 | * @subpackage Filesystem |
7 | */ |
8 | |
9 | /** |
10 | * Base WordPress Filesystem class for which Filesystem implementations extend |
11 | * |
12 | * @since 2.5 |
13 | */ |
14 | class WP_Filesystem_Base { |
15 | /** |
16 | * Whether to display debug data for the connection or not. |
17 | * |
18 | * @since 2.5 |
19 | * @access public |
20 | * @var bool |
21 | */ |
22 | var $verbose = false; |
23 | /** |
24 | * Cached list of local filepaths to maped remote filepaths. |
25 | * |
26 | * @since 2.7 |
27 | * @access private |
28 | * @var array |
29 | */ |
30 | var $cache = array(); |
31 | |
32 | /** |
33 | * The Access method of the current connection, Set automatically. |
34 | * |
35 | * @since 2.5 |
36 | * @access public |
37 | * @var string |
38 | */ |
39 | var $method = ''; |
40 | |
41 | /** |
42 | * Returns the path on the remote filesystem of ABSPATH |
43 | * |
44 | * @since 2.7 |
45 | * @access public |
46 | * @return string The location of the remote path. |
47 | */ |
48 | function abspath() { |
49 | if ( defined('FTP_BASE') && strpos($this->method, 'ftp') !== false ) |
50 | return FTP_BASE; |
51 | $folder = $this->find_folder(ABSPATH); |
52 | //Perhaps the FTP folder is rooted at the WordPress install, Check for wp-includes folder in root, Could have some false positives, but rare. |
53 | if ( ! $folder && $this->is_dir('/wp-includes') ) |
54 | $folder = '/'; |
55 | return $folder; |
56 | } |
57 | /** |
58 | * Returns the path on the remote filesystem of WP_CONTENT_DIR |
59 | * |
60 | * @since 2.7 |
61 | * @access public |
62 | * @return string The location of the remote path. |
63 | */ |
64 | function wp_content_dir() { |
65 | if ( defined('FTP_CONTENT_DIR') && strpos($this->method, 'ftp') !== false ) |
66 | return FTP_CONTENT_DIR; |
67 | return $this->find_folder(WP_CONTENT_DIR); |
68 | } |
69 | /** |
70 | * Returns the path on the remote filesystem of WP_PLUGIN_DIR |
71 | * |
72 | * @since 2.7 |
73 | * @access public |
74 | * |
75 | * @return string The location of the remote path. |
76 | */ |
77 | function wp_plugins_dir() { |
78 | if ( defined('FTP_PLUGIN_DIR') && strpos($this->method, 'ftp') !== false ) |
79 | return FTP_PLUGIN_DIR; |
80 | return $this->find_folder(WP_PLUGIN_DIR); |
81 | } |
82 | /** |
83 | * Returns the path on the remote filesystem of the Themes Directory |
84 | * |
85 | * @since 2.7 |
86 | * @access public |
87 | * |
88 | * @return string The location of the remote path. |
89 | */ |
90 | function wp_themes_dir() { |
91 | return $this->wp_content_dir() . '/themes'; |
92 | } |
93 | |
94 | /** |
95 | * Locates a folder on the remote filesystem. |
96 | * |
97 | * Deprecated; use WP_Filesystem::abspath() or WP_Filesystem::wp_*_dir() methods instead. |
98 | * |
99 | * @since 2.5 |
100 | * @deprecated 2.7 |
101 | * @access public |
102 | * |
103 | * @param string $base The folder to start searching from |
104 | * @param bool $echo True to display debug information |
105 | * @return string The location of the remote path. |
106 | */ |
107 | function find_base_dir($base = '.', $echo = false) { |
108 | _deprecated_function(__FUNCTION__, '2.7', 'WP_Filesystem::abspath() or WP_Filesystem::wp_*_dir()' ); |
109 | $this->verbose = $echo; |
110 | return $this->abspath(); |
111 | } |
112 | /** |
113 | * Locates a folder on the remote filesystem. |
114 | * |
115 | * Deprecated; use WP_Filesystem::abspath() or WP_Filesystem::wp_*_dir() methods instead. |
116 | * |
117 | * @since 2.5 |
118 | * @deprecated 2.7 |
119 | * @access public |
120 | * |
121 | * @param string $base The folder to start searching from |
122 | * @param bool $echo True to display debug information |
123 | * @return string The location of the remote path. |
124 | */ |
125 | function get_base_dir($base = '.', $echo = false) { |
126 | _deprecated_function(__FUNCTION__, '2.7', 'WP_Filesystem::abspath() or WP_Filesystem::wp_*_dir()' ); |
127 | $this->verbose = $echo; |
128 | return $this->abspath(); |
129 | } |
130 | |
131 | /** |
132 | * Locates a folder on the remote filesystem. |
133 | * |
134 | * Assumes that on Windows systems, Stripping off the Drive letter is OK |
135 | * Sanitizes \\ to / in windows filepaths. |
136 | * |
137 | * @since 2.7 |
138 | * @access public |
139 | * |
140 | * @param string $folder the folder to locate |
141 | * @return string The location of the remote path. |
142 | */ |
143 | function find_folder($folder) { |
144 | |
145 | $folder = preg_replace('|^([a-z]{1}):|i', '', $folder); //Strip out windows driveletter if its there. |
146 | $folder = str_replace('\\', '/', $folder); //Windows path sanitiation |
147 | |
148 | if ( isset($this->cache[ $folder ] ) ) |
149 | return $this->cache[ $folder ]; |
150 | |
151 | if ( $this->exists($folder) ) { //Folder exists at that absolute path. |
152 | $this->cache[ $folder ] = $folder; |
153 | return $folder; |
154 | } |
155 | if( $return = $this->search_for_folder($folder) ) |
156 | $this->cache[ $folder ] = $return; |
157 | return $return; |
158 | } |
159 | |
160 | /** |
161 | * Locates a folder on the remote filesystem. |
162 | * |
163 | * Expects Windows sanitized path |
164 | * |
165 | * @since 2.7 |
166 | * @access private |
167 | * |
168 | * @param string $folder the folder to locate |
169 | * @param string $base the folder to start searching from |
170 | * @param bool $loop if the function has recursed, Internal use only |
171 | * @return string The location of the remote path. |
172 | */ |
173 | function search_for_folder($folder, $base = '.', $loop = false ) { |
174 | if ( empty( $base ) || '.' == $base ) |
175 | $base = trailingslashit($this->cwd()); |
176 | |
177 | $folder = untrailingslashit($folder); |
178 | |
179 | $folder_parts = explode('/', $folder); |
180 | $last_path = $folder_parts[ count($folder_parts) - 1 ]; |
181 | |
182 | $files = $this->dirlist( $base ); |
183 | |
184 | foreach ( $folder_parts as $key ) { |
185 | if ( $key == $last_path ) |
186 | continue; //We want this to be caught by the next code block. |
187 | |
188 | //Working from /home/ to /user/ to /wordpress/ see if that file exists within the current folder, |
189 | // If its found, change into it and follow through looking for it. |
190 | // If it cant find WordPress down that route, it'll continue onto the next folder level, and see if that matches, and so on. |
191 | // If it reaches the end, and still cant find it, it'll return false for the entire function. |
192 | if( isset($files[ $key ]) ){ |
193 | //Lets try that folder: |
194 | $newdir = trailingslashit(path_join($base, $key)); |
195 | if( $this->verbose ) |
196 | printf( __('Changing to %s') . '<br/>', $newdir ); |
197 | if( $ret = $this->search_for_folder( $folder, $newdir, $loop) ) |
198 | return $ret; |
199 | } |
200 | } |
201 | |
202 | //Only check this as a last resort, to prevent locating the incorrect install. All above proceeedures will fail quickly if this is the right branch to take. |
203 | if(isset( $files[ $last_path ] ) ) { |
204 | if( $this->verbose ) |
205 | printf( __('Found %s') . '<br/>', $base . $last_path ); |
206 | return $base . $last_path; |
207 | } |
208 | if( $loop ) |
209 | return false;//Prevent tihs function looping again. |
210 | //As an extra last resort, Change back to / if the folder wasnt found. This comes into effect when the CWD is /home/user/ but WP is at /var/www/.... mainly dedicated setups. |
211 | return $this->search_for_folder($folder, '/', true); |
212 | |
213 | } |
214 | |
215 | /** |
216 | * Returns the *nix style file permissions for a file |
217 | * |
218 | * From the PHP documentation page for fileperms() |
219 | * |
220 | * @link http://docs.php.net/fileperms |
221 | * @since 2.5 |
222 | * @access public |
223 | * |
224 | * @param string $file string filename |
225 | * @return int octal representation of permissions |
226 | */ |
227 | function gethchmod($file){ |
228 | $perms = $this->getchmod($file); |
229 | if (($perms & 0xC000) == 0xC000) // Socket |
230 | $info = 's'; |
231 | elseif (($perms & 0xA000) == 0xA000) // Symbolic Link |
232 | $info = 'l'; |
233 | elseif (($perms & 0x8000) == 0x8000) // Regular |
234 | $info = '-'; |
235 | elseif (($perms & 0x6000) == 0x6000) // Block special |
236 | $info = 'b'; |
237 | elseif (($perms & 0x4000) == 0x4000) // Directory |
238 | $info = 'd'; |
239 | elseif (($perms & 0x2000) == 0x2000) // Character special |
240 | $info = 'c'; |
241 | elseif (($perms & 0x1000) == 0x1000)// FIFO pipe |
242 | $info = 'p'; |
243 | else // Unknown |
244 | $info = 'u'; |
245 | |
246 | // Owner |
247 | $info .= (($perms & 0x0100) ? 'r' : '-'); |
248 | $info .= (($perms & 0x0080) ? 'w' : '-'); |
249 | $info .= (($perms & 0x0040) ? |
250 | (($perms & 0x0800) ? 's' : 'x' ) : |
251 | (($perms & 0x0800) ? 'S' : '-')); |
252 | |
253 | // Group |
254 | $info .= (($perms & 0x0020) ? 'r' : '-'); |
255 | $info .= (($perms & 0x0010) ? 'w' : '-'); |
256 | $info .= (($perms & 0x0008) ? |
257 | (($perms & 0x0400) ? 's' : 'x' ) : |
258 | (($perms & 0x0400) ? 'S' : '-')); |
259 | |
260 | // World |
261 | $info .= (($perms & 0x0004) ? 'r' : '-'); |
262 | $info .= (($perms & 0x0002) ? 'w' : '-'); |
263 | $info .= (($perms & 0x0001) ? |
264 | (($perms & 0x0200) ? 't' : 'x' ) : |
265 | (($perms & 0x0200) ? 'T' : '-')); |
266 | return $info; |
267 | } |
268 | |
269 | /** |
270 | * Converts *nix style file permissions to a octal number. |
271 | * |
272 | * Converts '-rw-r--r--' to 0644 |
273 | * From "info at rvgate dot nl"'s comment on the PHP documentation for chmod() |
274 | * |
275 | * @link http://docs.php.net/manual/en/function.chmod.php#49614 |
276 | * @since 2.5 |
277 | * @access public |
278 | * |
279 | * @param string $mode string *nix style file permission |
280 | * @return int octal representation |
281 | */ |
282 | function getnumchmodfromh($mode) { |
283 | $realmode = ''; |
284 | $legal = array('', 'w', 'r', 'x', '-'); |
285 | $attarray = preg_split('//', $mode); |
286 | |
287 | for($i=0; $i < count($attarray); $i++) |
288 | if($key = array_search($attarray[$i], $legal)) |
289 | $realmode .= $legal[$key]; |
290 | |
291 | $mode = str_pad($realmode, 9, '-'); |
292 | $trans = array('-'=>'0', 'r'=>'4', 'w'=>'2', 'x'=>'1'); |
293 | $mode = strtr($mode,$trans); |
294 | |
295 | $newmode = ''; |
296 | $newmode .= $mode[0] + $mode[1] + $mode[2]; |
297 | $newmode .= $mode[3] + $mode[4] + $mode[5]; |
298 | $newmode .= $mode[6] + $mode[7] + $mode[8]; |
299 | return $newmode; |
300 | } |
301 | |
302 | /** |
303 | * Determines if the string provided contains binary characters. |
304 | * |
305 | * @since 2.7 |
306 | * @access private |
307 | * |
308 | * @param string $text String to test against |
309 | * @return bool true if string is binary, false otherwise |
310 | */ |
311 | function is_binary( $text ) { |
312 | return (bool) preg_match('|[^\x20-\x7E]|', $text); //chr(32)..chr(127) |
313 | } |
314 | } |
315 | |
316 | ?> |