X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/177fd6fefd2e3d5a0ea6591c71d660cabdb3c1a4..5d244c8fd9a27c9f89dd08da2af6fbc67d4fce63:/wp-admin/includes/class-wp-filesystem-direct.php

diff --git a/wp-admin/includes/class-wp-filesystem-direct.php b/wp-admin/includes/class-wp-filesystem-direct.php
index 45972a38..1e4cb50a 100644
--- a/wp-admin/includes/class-wp-filesystem-direct.php
+++ b/wp-admin/includes/class-wp-filesystem-direct.php
@@ -1,190 +1,254 @@
 <?php
+/**
+ * WordPress Direct Filesystem.
+ *
+ * @package WordPress
+ * @subpackage Filesystem
+ */
 
-class WP_Filesystem_Direct{
-	var $permission = null;
-	var $errors = array();
-	function WP_Filesystem_Direct($arg){
+/**
+ * WordPress Filesystem Class for direct PHP file and folder manipulation.
+ *
+ * @since 2.5.0
+ * @package WordPress
+ * @subpackage Filesystem
+ * @uses WP_Filesystem_Base Extends class
+ */
+class WP_Filesystem_Direct extends WP_Filesystem_Base {
+
+	/**
+	 * constructor
+	 *
+	 * @param mixed $arg ignored argument
+	 */
+	public function __construct($arg) {
+		$this->method = 'direct';
 		$this->errors = new WP_Error();
-		$this->permission = umask();
-	}
-	function connect(){
-		return true;
-	}
-	function setDefaultPermissions($perm){
-		$this->permission = $perm;
 	}
-	function find_base_dir($base = '.', $echo = false){
-		return str_replace('\\','/',ABSPATH);
-	}
-	function get_base_dir($base = '.', $echo = false){
-		return $this->find_base_dir($base, $echo);
-	}
-	function get_contents($file){
+
+	/**
+	 * Reads entire file into a string
+	 *
+	 * @param string $file Name of the file to read.
+	 * @return string|bool The function returns the read data or false on failure.
+	 */
+	public function get_contents($file) {
 		return @file_get_contents($file);
 	}
-	function get_contents_array($file){
+
+	/**
+	 * Reads entire file into an array
+	 *
+	 * @param string $file Path to the file.
+	 * @return array|bool the file contents in an array or false on failure.
+	 */
+	public function get_contents_array($file) {
 		return @file($file);
 	}
-	function put_contents($file,$contents,$mode=false,$type=''){
-		if ( ! ($fp = @fopen($file,'w'.$type)) )
+
+	/**
+	 * Write a string to a file
+	 *
+	 * @param string $file     Remote path to the file where to write the data.
+	 * @param string $contents The data to write.
+	 * @param int    $mode     Optional. The file permissions as octal number, usually 0644.
+	 *                         Default false.
+	 * @return bool False upon failure, true otherwise.
+	 */
+	public function put_contents( $file, $contents, $mode = false ) {
+		$fp = @fopen( $file, 'wb' );
+		if ( ! $fp )
+			return false;
+
+		mbstring_binary_safe_encoding();
+
+		$data_length = strlen( $contents );
+
+		$bytes_written = fwrite( $fp, $contents );
+
+		reset_mbstring_encoding();
+
+		fclose( $fp );
+
+		if ( $data_length !== $bytes_written )
 			return false;
-		@fwrite($fp,$contents);
-		@fclose($fp);
-		$this->chmod($file,$mode);
+
+		$this->chmod( $file, $mode );
+
 		return true;
 	}
-	function cwd(){
+
+	/**
+	 * Gets the current working directory
+	 *
+	 * @return string|bool the current working directory on success, or false on failure.
+	 */
+	public function cwd() {
 		return @getcwd();
 	}
-	function chdir($dir){
+
+	/**
+	 * Change directory
+	 *
+	 * @param string $dir The new current directory.
+	 * @return bool Returns true on success or false on failure.
+	 */
+	public function chdir($dir) {
 		return @chdir($dir);
 	}
-	function chgrp($file,$group,$recursive=false){
-		if( ! $this->exists($file) )
+
+	/**
+	 * Changes file group
+	 *
+	 * @param string $file      Path to the file.
+	 * @param mixed  $group     A group name or number.
+	 * @param bool   $recursive Optional. If set True changes file group recursively. Default false.
+	 * @return bool Returns true on success or false on failure.
+	 */
+	public function chgrp($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
+		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 $filename)
+		foreach ($filelist as $filename)
 			$this->chgrp($file . $filename, $group, $recursive);
 
 		return true;
 	}
-	function chmod($file,$mode=false,$recursive=false){
-		if( ! $mode )
-			$mode = $this->permission;
-		if( ! $this->exists($file) )
-			return false;
-		if( ! $recursive )
-			return @chmod($file,$mode);
-		if( ! $this->is_dir($file) )
-			return @chmod($file,$mode);
-		//Is a directory, and we want recursive
+
+	/**
+	 * Changes filesystem permissions
+	 *
+	 * @param string $file      Path to the file.
+	 * @param int    $mode      Optional. The permissions as octal number, usually 0644 for files,
+	 *                          0755 for dirs. Default false.
+	 * @param bool   $recursive Optional. If set True changes file group recursively. Default false.
+	 * @return bool Returns true on success or false on failure.
+	 */
+	public function chmod($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($filelist as $filename)
+		foreach ( (array)$filelist as $filename => $filemeta)
 			$this->chmod($file . $filename, $mode, $recursive);
 
 		return true;
 	}
-	function chown($file,$owner,$recursive=false){
-		if( ! $this->exists($file) )
+
+	/**
+	 * Changes file owner
+	 *
+	 * @param string $file      Path to the file.
+	 * @param mixed  $owner     A user name or number.
+	 * @param bool   $recursive Optional. If set True changes file owner recursively.
+	 *                          Default false.
+	 * @return bool Returns true on success or false on failure.
+	 */
+	public function chown($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
+		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,$recursive);
+		foreach ($filelist as $filename) {
+			$this->chown($file . '/' . $filename, $owner, $recursive);
 		}
 		return true;
 	}
-	function owner($file){
+
+	/**
+	 * Gets file owner
+	 *
+	 * @param string $file Path to the file.
+	 * @return string|bool Username of the user or false on error.
+	 */
+	public function owner($file) {
 		$owneruid = @fileowner($file);
-		if( ! $owneruid )
+		if ( ! $owneruid )
 			return false;
-		if( !function_exists('posix_getpwuid') )
+		if ( ! function_exists('posix_getpwuid') )
 			return $owneruid;
 		$ownerarray = posix_getpwuid($owneruid);
 		return $ownerarray['name'];
 	}
-	function getchmod($file){
-		return @fileperms($file);
-	}
-	function gethchmod($file){
-		//From the PHP.net page for ...?
-		$perms = $this->getchmod($file);
-		if (($perms & 0xC000) == 0xC000) {
-			// Socket
-			$info = 's';
-		} elseif (($perms & 0xA000) == 0xA000) {
-			// Symbolic Link
-			$info = 'l';
-		} elseif (($perms & 0x8000) == 0x8000) {
-			// Regular
-			$info = '-';
-		} elseif (($perms & 0x6000) == 0x6000) {
-			// Block special
-			$info = 'b';
-		} elseif (($perms & 0x4000) == 0x4000) {
-			// Directory
-			$info = 'd';
-		} elseif (($perms & 0x2000) == 0x2000) {
-			// Character special
-			$info = 'c';
-		} elseif (($perms & 0x1000) == 0x1000) {
-			// FIFO pipe
-			$info = 'p';
-		} else {
-			// Unknown
-			$info = 'u';
-		}
 
-		// Owner
-		$info .= (($perms & 0x0100) ? 'r' : '-');
-		$info .= (($perms & 0x0080) ? 'w' : '-');
-		$info .= (($perms & 0x0040) ?
-					(($perms & 0x0800) ? 's' : 'x' ) :
-					(($perms & 0x0800) ? 'S' : '-'));
-
-		// Group
-		$info .= (($perms & 0x0020) ? 'r' : '-');
-		$info .= (($perms & 0x0010) ? 'w' : '-');
-		$info .= (($perms & 0x0008) ?
-					(($perms & 0x0400) ? 's' : 'x' ) :
-					(($perms & 0x0400) ? 'S' : '-'));
-
-		// World
-		$info .= (($perms & 0x0004) ? 'r' : '-');
-		$info .= (($perms & 0x0002) ? 'w' : '-');
-		$info .= (($perms & 0x0001) ?
-					(($perms & 0x0200) ? 't' : 'x' ) :
-					(($perms & 0x0200) ? 'T' : '-'));
-		return $info;
+	/**
+	 * Gets file permissions
+	 *
+	 * FIXME does not handle errors in fileperms()
+	 *
+	 * @param string $file Path to the file.
+	 * @return string Mode of the file (last 3 digits).
+	 */
+	public function getchmod($file) {
+		return substr( decoct( @fileperms( $file ) ), -3 );
 	}
-	function getnumchmodfromh($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 $newmode;
-	}
-	function group($file){
+
+	/**
+	 * @param string $file
+	 * @return string|false
+	 */
+	public function group($file) {
 		$gid = @filegroup($file);
-		if( ! $gid )
+		if ( ! $gid )
 			return false;
-		if( !function_exists('posix_getgrgid') )
+		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) )
+	/**
+	 * @param string $source
+	 * @param string $destination
+	 * @param bool   $overwrite
+	 * @param int    $mode
+	 * @return bool
+	 */
+	public function copy($source, $destination, $overwrite = false, $mode = false) {
+		if ( ! $overwrite && $this->exists($destination) )
 			return false;
-		return copy($source,$destination);
+
+		$rtval = copy($source, $destination);
+		if ( $mode )
+			$this->chmod($destination, $mode);
+		return $rtval;
 	}
 
-	function move($source,$destination,$overwrite=false){
-		//Possible to use rename()?
-		if( $this->copy($source,$destination,$overwrite) && $this->exists($destination) ){
+	/**
+	 * @param string $source
+	 * @param string $destination
+	 * @param bool $overwrite
+	 * @return bool
+	 */
+	public function move($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 {
@@ -192,116 +256,184 @@ class WP_Filesystem_Direct{
 		}
 	}
 
-	function delete($file, $recursive=false){
-		$file = str_replace('\\','/',$file); //for win32, occasional problems deleteing files otherwise
+	/**
+	 * @param string $file
+	 * @param bool $recursive
+	 * @param string $type
+	 * @return bool
+	 */
+	public function delete($file, $recursive = false, $type = 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 deleting files otherwise
 
-		if( $this->is_file($file) )
+		if ( 'f' == $type || $this->is_file($file) )
 			return @unlink($file);
-		if( !$recursive && $this->is_dir($file) )
+		if ( ! $recursive && $this->is_dir($file) )
 			return @rmdir($file);
 
-		//At this point its a folder, and we're in recursive mode
+		// At this point it's 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) )
+		if ( is_array( $filelist ) ) {
+			foreach ( $filelist as $filename => $fileinfo ) {
+				if ( ! $this->delete($file . $filename, $recursive, $fileinfo['type']) )
 					$retval = false;
+			}
+		}
+
+		if ( file_exists($file) && ! @rmdir($file) )
+			$retval = false;
 
-		if( ! @rmdir($file) )
-			return false;
 		return $retval;
 	}
-
-	function exists($file){
+	/**
+	 * @param string $file
+	 * @return bool
+	 */
+	public function exists($file) {
 		return @file_exists($file);
 	}
-
-	function is_file($file){
+	/**
+	 * @param string $file
+	 * @return bool
+	 */
+	public function is_file($file) {
 		return @is_file($file);
 	}
-
-	function is_dir($path){
+	/**
+	 * @param string $path
+	 * @return bool
+	 */
+	public function is_dir($path) {
 		return @is_dir($path);
 	}
 
-	function is_readable($file){
+	/**
+	 * @param string $file
+	 * @return bool
+	 */
+	public function is_readable($file) {
 		return @is_readable($file);
 	}
 
-	function is_writable($file){
+	/**
+	 * @param string $file
+	 * @return bool
+	 */
+	public function is_writable($file) {
 		return @is_writable($file);
 	}
 
-	function atime($file){
+	/**
+	 * @param string $file
+	 * @return int
+	 */
+	public function atime($file) {
 		return @fileatime($file);
 	}
 
-	function mtime($file){
+	/**
+	 * @param string $file
+	 * @return int
+	 */
+	public function mtime($file) {
 		return @filemtime($file);
 	}
-	function size($file){
+
+	/**
+	 * @param string $file
+	 * @return int
+	 */
+	public function size($file) {
 		return @filesize($file);
 	}
 
-	function touch($file, $time = 0, $atime = 0){
-		if($time == 0)
+	/**
+	 * @param string $file
+	 * @param int $time
+	 * @param int $atime
+	 * @return bool
+	 */
+	public function touch($file, $time = 0, $atime = 0) {
+		if ($time == 0)
 			$time = time();
-		if($atime == 0)
+		if ($atime == 0)
 			$atime = time();
-		return @touch($file,$time,$atime);
+		return @touch($file, $time, $atime);
 	}
 
-	function mkdir($path, $chmod = false, $chown = false, $chgrp = false){
-		if( ! $chmod)
-			$chmod = $this->permission;
+	/**
+	 * @param string $path
+	 * @param mixed  $chmod
+	 * @param mixed  $chown
+	 * @param mixed  $chgrp
+	 * @return bool
+	 */
+	public function mkdir($path, $chmod = false, $chown = false, $chgrp = false) {
+		// Safe mode fails with a trailing slash under certain PHP versions.
+		$path = untrailingslashit($path);
+		if ( empty($path) )
+			return false;
+
+		if ( ! $chmod )
+			$chmod = FS_CHMOD_DIR;
 
-		if( !@mkdir($path,$chmod) )
+		if ( ! @mkdir($path) )
 			return false;
-		if( $chown )
-			$this->chown($path,$chown);
-		if( $chgrp )
-			$this->chgrp($path,$chgrp);
+		$this->chmod($path, $chmod);
+		if ( $chown )
+			$this->chown($path, $chown);
+		if ( $chgrp )
+			$this->chgrp($path, $chgrp);
 		return true;
 	}
 
-	function rmdir($path,$recursive=false){
-		//Currently unused and untested, Use delete() instead.
-		if( ! $recursive )
-			return @rmdir($path);
-		//recursive:
-		$filelist = $this->dirlist($path);
-		foreach($filelist as $filename=>$det){
-			if ( '/' == substr($filename,-1,1) )
-				$this->rmdir($path.'/'.$filename,$recursive);
-			@rmdir($filename);
-		}
-		return @rmdir($path);
+	/**
+	 * @param string $path
+	 * @param bool $recursive
+	 * @return type
+	 */
+	public function rmdir($path, $recursive = false) {
+		return $this->delete($path, $recursive);
 	}
 
-	function dirlist($path,$incdot=false,$recursive=false){
-		if( $this->is_file($path) ){
-			$limitFile = basename($path);
+	/**
+	 * @param string $path
+	 * @param bool $include_hidden
+	 * @param bool $recursive
+	 * @return bool|array
+	 */
+	public function dirlist($path, $include_hidden = true, $recursive = false) {
+		if ( $this->is_file($path) ) {
+			$limit_file = basename($path);
 			$path = dirname($path);
 		} else {
-			$limitFile = false;
+			$limit_file = false;
 		}
-		if( ! $this->is_dir($path) )
+
+		if ( ! $this->is_dir($path) )
+			return false;
+
+		$dir = @dir($path);
+		if ( ! $dir )
 			return false;
 
 		$ret = array();
-		$dir = dir($path);
-		while (false !== ($entry = $dir->read())) {
+
+		while (false !== ($entry = $dir->read()) ) {
 			$struc = array();
-			$struc['name'] 		= $entry;
+			$struc['name'] = $entry;
 
-			if( '.' == $struc['name'] || '..' == $struc['name'] )
-				continue; //Do not care about these folders.
-			if( '.' == $struc['name'][0] && !$incdot)
+			if ( '.' == $struc['name'] || '..' == $struc['name'] )
 				continue;
-			if( $limitFile && $struc['name'] != $limitFile)
+
+			if ( ! $include_hidden && '.' == $struc['name'][0] )
+				continue;
+
+			if ( $limit_file && $struc['name'] != $limit_file)
 				continue;
 
 			$struc['perms'] 	= $this->gethchmod($path.'/'.$entry);
@@ -315,9 +447,9 @@ class WP_Filesystem_Direct{
 			$struc['time']    	= date('h:i:s',$struc['lastmodunix']);
 			$struc['type']		= $this->is_dir($path.'/'.$entry) ? 'd' : 'f';
 
-			if ('d' == $struc['type'] ){
-				if( $recursive )
-					$struc['files'] = $this->dirlist($path.'/'.$struc['name'], $incdot, $recursive);
+			if ( 'd' == $struc['type'] ) {
+				if ( $recursive )
+					$struc['files'] = $this->dirlist($path . '/' . $struc['name'], $include_hidden, $recursive);
 				else
 					$struc['files'] = array();
 			}
@@ -328,9 +460,4 @@ class WP_Filesystem_Direct{
 		unset($dir);
 		return $ret;
 	}
-
-	function __destruct(){
-		return;
-	}
 }
-?>