<?php
-class WP_Filesystem_Base{
+/**
+ * Base WordPress Filesystem.
+ *
+ * @package WordPress
+ * @subpackage Filesystem
+ */
+
+/**
+ * Base WordPress Filesystem class for which Filesystem implementations extend
+ *
+ * @since 2.5
+ */
+class WP_Filesystem_Base {
+ /**
+ * Whether to display debug data for the connection or not.
+ *
+ * @since 2.5
+ * @access public
+ * @var bool
+ */
var $verbose = false;
+ /**
+ * Cached list of local filepaths to maped remote filepaths.
+ *
+ * @since 2.7
+ * @access private
+ * @var array
+ */
var $cache = array();
-
+
+ /**
+ * The Access method of the current connection, Set automatically.
+ *
+ * @since 2.5
+ * @access public
+ * @var string
+ */
var $method = '';
-
+
+ /**
+ * Returns the path on the remote filesystem of ABSPATH
+ *
+ * @since 2.7
+ * @access public
+ * @return string The location of the remote path.
+ */
function abspath() {
- if ( defined('FTP_BASE') && strpos($this->method, 'ftp') !== false )
+ if ( defined('FTP_BASE') && strpos($this->method, 'ftp') !== false )
return FTP_BASE;
- return $this->find_folder(ABSPATH);
+ $folder = $this->find_folder(ABSPATH);
+ //Perhaps the FTP folder is rooted at the WordPress install, Check for wp-includes folder in root, Could have some false positives, but rare.
+ if ( ! $folder && $this->is_dir('/wp-includes') )
+ $folder = '/';
+ return $folder;
}
+ /**
+ * Returns the path on the remote filesystem of WP_CONTENT_DIR
+ *
+ * @since 2.7
+ * @access public
+ * @return string The location of the remote path.
+ */
function wp_content_dir() {
- if ( defined('FTP_CONTENT_DIR') && strpos($this->method, 'ftp') !== false )
+ if ( defined('FTP_CONTENT_DIR') && strpos($this->method, 'ftp') !== false )
return FTP_CONTENT_DIR;
return $this->find_folder(WP_CONTENT_DIR);
}
+ /**
+ * Returns the path on the remote filesystem of WP_PLUGIN_DIR
+ *
+ * @since 2.7
+ * @access public
+ *
+ * @return string The location of the remote path.
+ */
function wp_plugins_dir() {
- if ( defined('FTP_PLUGIN_DIR') && strpos($this->method, 'ftp') !== false )
+ if ( defined('FTP_PLUGIN_DIR') && strpos($this->method, 'ftp') !== false )
return FTP_PLUGIN_DIR;
return $this->find_folder(WP_PLUGIN_DIR);
}
+ /**
+ * Returns the path on the remote filesystem of the Themes Directory
+ *
+ * @since 2.7
+ * @access public
+ *
+ * @return string The location of the remote path.
+ */
function wp_themes_dir() {
return $this->wp_content_dir() . '/themes';
}
- //Back compat: use abspath() or wp_*_dir
+
+ /**
+ * Locates a folder on the remote filesystem.
+ *
+ * Deprecated; use WP_Filesystem::abspath() or WP_Filesystem::wp_*_dir() methods instead.
+ *
+ * @since 2.5
+ * @deprecated 2.7
+ * @access public
+ *
+ * @param string $base The folder to start searching from
+ * @param bool $echo True to display debug information
+ * @return string The location of the remote path.
+ */
function find_base_dir($base = '.', $echo = false) {
+ _deprecated_function(__FUNCTION__, '2.7', 'WP_Filesystem::abspath() or WP_Filesystem::wp_*_dir()' );
$this->verbose = $echo;
return $this->abspath();
}
- //Back compat: use ::abspath() or ::wp_*_dir
+ /**
+ * Locates a folder on the remote filesystem.
+ *
+ * Deprecated; use WP_Filesystem::abspath() or WP_Filesystem::wp_*_dir() methods instead.
+ *
+ * @since 2.5
+ * @deprecated 2.7
+ * @access public
+ *
+ * @param string $base The folder to start searching from
+ * @param bool $echo True to display debug information
+ * @return string The location of the remote path.
+ */
function get_base_dir($base = '.', $echo = false) {
+ _deprecated_function(__FUNCTION__, '2.7', 'WP_Filesystem::abspath() or WP_Filesystem::wp_*_dir()' );
$this->verbose = $echo;
return $this->abspath();
}
-
+
+ /**
+ * Locates a folder on the remote filesystem.
+ *
+ * Assumes that on Windows systems, Stripping off the Drive letter is OK
+ * Sanitizes \\ to / in windows filepaths.
+ *
+ * @since 2.7
+ * @access public
+ *
+ * @param string $folder the folder to locate
+ * @return string The location of the remote path.
+ */
function find_folder($folder) {
- $folder = str_replace('\\', '/', $folder); //Windows Sanitiation
+
+ $folder = preg_replace('|^([a-z]{1}):|i', '', $folder); //Strip out windows driveletter if its there.
+ $folder = str_replace('\\', '/', $folder); //Windows path sanitiation
+
if ( isset($this->cache[ $folder ] ) )
return $this->cache[ $folder ];
$this->cache[ $folder ] = $return;
return $return;
}
-
- // Assumes $folder is windows sanitized;
- // Assumes that the drive letter is safe to be stripped off, Should not be a problem for windows servers.
+
+ /**
+ * Locates a folder on the remote filesystem.
+ *
+ * Expects Windows sanitized path
+ *
+ * @since 2.7
+ * @access private
+ *
+ * @param string $folder the folder to locate
+ * @param string $base the folder to start searching from
+ * @param bool $loop if the function has recursed, Internal use only
+ * @return string The location of the remote path.
+ */
function search_for_folder($folder, $base = '.', $loop = false ) {
if ( empty( $base ) || '.' == $base )
$base = trailingslashit($this->cwd());
-
- $folder = preg_replace('|^([a-z]{1}):|i', '', $folder); //Strip out windows driveletter if its there.
-
+
+ $folder = untrailingslashit($folder);
+
$folder_parts = explode('/', $folder);
$last_path = $folder_parts[ count($folder_parts) - 1 ];
-
+
$files = $this->dirlist( $base );
-
+
foreach ( $folder_parts as $key ) {
if ( $key == $last_path )
continue; //We want this to be caught by the next code block.
- //Working from /home/ to /user/ to /wordpress/ see if that file exists within the current folder,
- // If its found, change into it and follow through looking for it.
+ //Working from /home/ to /user/ to /wordpress/ see if that file exists within the current folder,
+ // If its found, change into it and follow through looking for it.
// If it cant find WordPress down that route, it'll continue onto the next folder level, and see if that matches, and so on.
// If it reaches the end, and still cant find it, it'll return false for the entire function.
if( isset($files[ $key ]) ){
return $ret;
}
}
-
+
//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.
if(isset( $files[ $last_path ] ) ) {
if( $this->verbose )
if( $loop )
return false;//Prevent tihs function looping again.
//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.
- return $this->search_for_folder($folder, '/', true);
-
+ return $this->search_for_folder($folder, '/', true);
+
}
-
- //Common Helper functions.
+
+ /**
+ * Returns the *nix style file permissions for a file
+ *
+ * From the PHP documentation page for fileperms()
+ *
+ * @link http://docs.php.net/fileperms
+ * @since 2.5
+ * @access public
+ *
+ * @param string $file string filename
+ * @return int octal representation of permissions
+ */
function gethchmod($file){
- //From the PHP.net page for ...?
$perms = $this->getchmod($file);
if (($perms & 0xC000) == 0xC000) // Socket
$info = 's';
(($perms & 0x0200) ? 'T' : '-'));
return $info;
}
+
+ /**
+ * Converts *nix style file permissions to a octal number.
+ *
+ * Converts '-rw-r--r--' to 0644
+ * From "info at rvgate dot nl"'s comment on the PHP documentation for chmod()
+ *
+ * @link http://docs.php.net/manual/en/function.chmod.php#49614
+ * @since 2.5
+ * @access public
+ *
+ * @param string $mode string *nix style file permission
+ * @return int octal representation
+ */
function getnumchmodfromh($mode) {
- $realmode = "";
- $legal = array("", "w", "r", "x", "-");
- $attarray = preg_split("//", $mode);
+ $realmode = '';
+ $legal = array('', 'w', 'r', 'x', '-');
+ $attarray = preg_split('//', $mode);
for($i=0; $i < count($attarray); $i++)
if($key = array_search($attarray[$i], $legal))
$realmode .= $legal[$key];
-
+
$mode = str_pad($realmode, 9, '-');
$trans = array('-'=>'0', 'r'=>'4', 'w'=>'2', 'x'=>'1');
$mode = strtr($mode,$trans);
-
+
$newmode = '';
$newmode .= $mode[0] + $mode[1] + $mode[2];
$newmode .= $mode[3] + $mode[4] + $mode[5];
$newmode .= $mode[6] + $mode[7] + $mode[8];
return $newmode;
}
+
+ /**
+ * Determines if the string provided contains binary characters.
+ *
+ * @since 2.7
+ * @access private
+ *
+ * @param string $text String to test against
+ * @return bool true if string is binary, false otherwise
+ */
+ function is_binary( $text ) {
+ return (bool) preg_match('|[^\x20-\x7E]|', $text); //chr(32)..chr(127)
+ }
}
+
?>