/wp-admin/includes/class-wp-filesystem-direct.php
PHP | 361 lines | 228 code | 35 blank | 98 comment | 55 complexity | 5b382e5eab5ff2c81b24b9e71e6c870e MD5 | raw file
Possible License(s): GPL-3.0, GPL-2.0, LGPL-2.1, AGPL-1.0, LGPL-3.0
- <?php
- /**
- * WordPress Direct Filesystem.
- *
- * @package WordPress
- * @subpackage Filesystem
- */
-
- /**
- * WordPress Filesystem Class for direct PHP file and folder manipulation.
- *
- * @since 2.5
- * @package WordPress
- * @subpackage Filesystem
- * @uses WP_Filesystem_Base Extends class
- */
- class WP_Filesystem_Direct extends WP_Filesystem_Base {
- var $errors = null;
- /**
- * constructor
- *
- * @param $arg mixed ingored argument
- */
- function WP_Filesystem_Direct($arg) {
- $this->method = 'direct';
- $this->errors = new WP_Error();
- }
- /**
- * connect filesystem.
- *
- * @return bool Returns true on success or false on failure (always true for WP_Filesystem_Direct).
- */
- function connect() {
- return true;
- }
- /**
- * Reads entire file into a string
- *
- * @param $file string Name of the file to read.
- * @return string|bool The function returns the read data or false on failure.
- */
- function get_contents($file) {
- return @file_get_contents($file);
- }
- /**
- * Reads entire file into an array
- *
- * @param $file string Path to the file.
- * @return array|bool the file contents in an array or false on failure.
- */
- function get_contents_array($file) {
- return @file($file);
- }
- /**
- * Write a string to a file
- *
- * @param $file string Remote path to the file where to write the data.
- * @param $contents string The data to write.
- * @param $mode int (optional) The file permissions as octal number, usually 0644.
- * @return bool False upon failure.
- */
- function put_contents($file, $contents, $mode = false ) {
- if ( ! ($fp = @fopen($file, 'w')) )
- return false;
- @fwrite($fp, $contents);
- @fclose($fp);
- $this->chmod($file, $mode);
- return true;
- }
- /**
- * Gets the current working directory
- *
- * @return string|bool the current working directory on success, or false on failure.
- */
- function cwd() {
- return @getcwd();
- }
- /**
- * Change directory
- *
- * @param $dir string The new current directory.
- * @return bool Returns true on success or false on failure.
- */
- function chdir($dir) {
- return @chdir($dir);
- }
- /**
- * Changes file group
- *
- * @param $file string Path to the file.
- * @param $group mixed A group name or number.
- * @param $recursive bool (optional) If set True changes file group recursivly. Defaults to False.
- * @return bool Returns true on success or false on failure.
- */
- function chgrp($file, $group, $recursive = false) {
- if ( ! $this->exists($file) )
- return false;
- if ( ! $recursive )
- return @chgrp($file, $group);
- if ( ! $this->is_dir($file) )
- return @chgrp($file, $group);
- //Is a directory, and we want recursive
- $file = trailingslashit($file);
- $filelist = $this->dirlist($file);
- foreach ($filelist as $filename)
- $this->chgrp($file . $filename, $group, $recursive);
-
- return true;
- }
- /**
- * Changes filesystem permissions
- *
- * @param $file string Path to the file.
- * @param $mode int (optional) The permissions as octal number, usually 0644 for files, 0755 for dirs.
- * @param $recursive bool (optional) If set True changes file group recursivly. Defaults to False.
- * @return bool Returns true on success or false on failure.
- */
- function chmod($file, $mode = false, $recursive = false) {
- if ( ! $mode ) {
- if ( $this->is_file($file) )
- $mode = FS_CHMOD_FILE;
- elseif ( $this->is_dir($file) )
- $mode = FS_CHMOD_DIR;
- else
- return false;
- }
-
- if ( ! $recursive || ! $this->is_dir($file) )
- return @chmod($file, $mode);
- //Is a directory, and we want recursive
- $file = trailingslashit($file);
- $filelist = $this->dirlist($file);
- foreach ( (array)$filelist as $filename => $filemeta)
- $this->chmod($file . $filename, $mode, $recursive);
-
- return true;
- }
- /**
- * Changes file owner
- *
- * @param $file string Path to the file.
- * @param $owner mixed A user name or number.
- * @param $recursive bool (optional) If set True changes file owner recursivly. Defaults to False.
- * @return bool Returns true on success or false on failure.
- */
- function chown($file, $owner, $recursive = false) {
- if ( ! $this->exists($file) )
- return false;
- if ( ! $recursive )
- return @chown($file, $owner);
- if ( ! $this->is_dir($file) )
- return @chown($file, $owner);
- //Is a directory, and we want recursive
- $filelist = $this->dirlist($file);
- foreach ($filelist as $filename) {
- $this->chown($file . '/' . $filename, $owner, $recursive);
- }
- return true;
- }
- /**
- * Gets file owner
- *
- * @param $file string Path to the file.
- * @return string Username of the user.
- */
- function owner($file) {
- $owneruid = @fileowner($file);
- if ( ! $owneruid )
- return false;
- if ( ! function_exists('posix_getpwuid') )
- return $owneruid;
- $ownerarray = posix_getpwuid($owneruid);
- return $ownerarray['name'];
- }
- /**
- * Gets file permissions
- *
- * FIXME does not handle errors in fileperms()
- *
- * @param $file string Path to the file.
- * @return string Mode of the file (last 4 digits).
- */
- function getchmod($file) {
- return substr(decoct(@fileperms($file)),3);
- }
- function group($file) {
- $gid = @filegroup($file);
- if ( ! $gid )
- return false;
- if ( ! function_exists('posix_getgrgid') )
- return $gid;
- $grouparray = posix_getgrgid($gid);
- return $grouparray['name'];
- }
-
- function copy($source, $destination, $overwrite = false) {
- if ( ! $overwrite && $this->exists($destination) )
- return false;
-
- return copy($source, $destination);
- }
-
- function move($source, $destination, $overwrite = false) {
- if ( ! $overwrite && $this->exists($destination) )
- return false;
-
- // try using rename first. if that fails (for example, source is read only) try copy
- if ( @rename($source, $destination) )
- return true;
-
- if ( $this->copy($source, $destination, $overwrite) && $this->exists($destination) ) {
- $this->delete($source);
- return true;
- } else {
- return false;
- }
- }
-
- function delete($file, $recursive = false) {
- if ( empty($file) ) //Some filesystems report this as /, which can cause non-expected recursive deletion of all files in the filesystem.
- return false;
- $file = str_replace('\\', '/', $file); //for win32, occasional problems deleteing files otherwise
-
- if ( $this->is_file($file) )
- return @unlink($file);
- if ( ! $recursive && $this->is_dir($file) )
- return @rmdir($file);
-
- //At this point its a folder, and we're in recursive mode
- $file = trailingslashit($file);
- $filelist = $this->dirlist($file, true);
-
- $retval = true;
- if ( is_array($filelist) ) //false if no files, So check first.
- foreach ($filelist as $filename => $fileinfo)
- if ( ! $this->delete($file . $filename, $recursive) )
- $retval = false;
-
- if ( file_exists($file) && ! @rmdir($file) )
- $retval = false;
- return $retval;
- }
-
- function exists($file) {
- return @file_exists($file);
- }
-
- function is_file($file) {
- return @is_file($file);
- }
-
- function is_dir($path) {
- return @is_dir($path);
- }
-
- function is_readable($file) {
- return @is_readable($file);
- }
-
- function is_writable($file) {
- return @is_writable($file);
- }
-
- function atime($file) {
- return @fileatime($file);
- }
-
- function mtime($file) {
- return @filemtime($file);
- }
- function size($file) {
- return @filesize($file);
- }
-
- function touch($file, $time = 0, $atime = 0) {
- if ($time == 0)
- $time = time();
- if ($atime == 0)
- $atime = time();
- return @touch($file, $time, $atime);
- }
-
- function mkdir($path, $chmod = false, $chown = false, $chgrp = false) {
- // safe mode fails with a trailing slash under certain PHP versions.
- $path = untrailingslashit($path);
- if ( empty($path) )
- $path = '/';
-
- if ( ! $chmod )
- $chmod = FS_CHMOD_DIR;
-
- if ( ! @mkdir($path) )
- return false;
- $this->chmod($path, $chmod);
- if ( $chown )
- $this->chown($path, $chown);
- if ( $chgrp )
- $this->chgrp($path, $chgrp);
- return true;
- }
-
- function rmdir($path, $recursive = false) {
- return $this->delete($path, $recursive);
- }
-
- function dirlist($path, $include_hidden = true, $recursive = false) {
- if ( $this->is_file($path) ) {
- $limit_file = basename($path);
- $path = dirname($path);
- } else {
- $limit_file = false;
- }
-
- if ( ! $this->is_dir($path) )
- return false;
-
- $dir = @dir($path);
- if ( ! $dir )
- return false;
-
- $ret = array();
-
- while (false !== ($entry = $dir->read()) ) {
- $struc = array();
- $struc['name'] = $entry;
-
- if ( '.' == $struc['name'] || '..' == $struc['name'] )
- continue;
-
- if ( ! $include_hidden && '.' == $struc['name'][0] )
- continue;
-
- if ( $limit_file && $struc['name'] != $limit_file)
- continue;
-
- $struc['perms'] = $this->gethchmod($path.'/'.$entry);
- $struc['permsn'] = $this->getnumchmodfromh($struc['perms']);
- $struc['number'] = false;
- $struc['owner'] = $this->owner($path.'/'.$entry);
- $struc['group'] = $this->group($path.'/'.$entry);
- $struc['size'] = $this->size($path.'/'.$entry);
- $struc['lastmodunix']= $this->mtime($path.'/'.$entry);
- $struc['lastmod'] = date('M j',$struc['lastmodunix']);
- $struc['time'] = date('h:i:s',$struc['lastmodunix']);
- $struc['type'] = $this->is_dir($path.'/'.$entry) ? 'd' : 'f';
-
- if ( 'd' == $struc['type'] ) {
- if ( $recursive )
- $struc['files'] = $this->dirlist($path . '/' . $struc['name'], $include_hidden, $recursive);
- else
- $struc['files'] = array();
- }
-
- $ret[ $struc['name'] ] = $struc;
- }
- $dir->close();
- unset($dir);
- return $ret;
- }
- }
- ?>