WordPress 4.7.1-scripts
[autoinstalls/wordpress.git] / wp-admin / includes / class-wp-filesystem-ftpsockets.php
index efd19d1f6fc2e13dfe0ea78e36553fd7a26f2585..ff0b882414be3c22453a6eed50adb7fb1711039e 100644 (file)
@@ -9,39 +9,43 @@
 /**
  * WordPress Filesystem Class for implementing FTP Sockets.
  *
- * @since 2.5
+ * @since 2.5.0
  * @package WordPress
  * @subpackage Filesystem
  * @uses WP_Filesystem_Base Extends class
  */
 class WP_Filesystem_ftpsockets extends WP_Filesystem_Base {
-       var $ftp = false;
-       var $errors = null;
-       var $options = array();
-
-       function WP_Filesystem_ftpsockets($opt = '') {
+       /**
+        * @access public
+        * @var ftp
+        */
+       public $ftp;
+
+       /**
+        * @access public
+        *
+        * @param array $opt
+        */
+       public function __construct( $opt  = '' ) {
                $this->method = 'ftpsockets';
                $this->errors = new WP_Error();
 
-               //Check if possible to use ftp functions.
-               if ( ! @include_once ABSPATH . 'wp-admin/includes/class-ftp.php' )
-                               return false;
+               // Check if possible to use ftp functions.
+               if ( ! @include_once( ABSPATH . 'wp-admin/includes/class-ftp.php' ) ) {
+                       return;
+               }
                $this->ftp = new ftp();
 
-               //Set defaults:
                if ( empty($opt['port']) )
                        $this->options['port'] = 21;
                else
-                       $this->options['port'] = $opt['port'];
+                       $this->options['port'] = (int) $opt['port'];
 
                if ( empty($opt['hostname']) )
                        $this->errors->add('empty_hostname', __('FTP hostname is required'));
                else
                        $this->options['hostname'] = $opt['hostname'];
 
-               if ( ! empty($opt['base']) )
-                       $this->wp_base = $opt['base'];
-
                // Check if the options provided are OK.
                if ( empty ($opt['username']) )
                        $this->errors->add('empty_username', __('FTP username is required'));
@@ -54,53 +58,88 @@ class WP_Filesystem_ftpsockets extends WP_Filesystem_Base {
                        $this->options['password'] = $opt['password'];
        }
 
-       function connect() {
+       /**
+        * @access public
+        *
+        * @return bool
+        */
+       public function connect() {
                if ( ! $this->ftp )
                        return false;
 
                $this->ftp->setTimeout(FS_CONNECT_TIMEOUT);
 
-               if ( ! $this->ftp->SetServer($this->options['hostname'], $this->options['port']) ) {
-                       $this->errors->add('connect', sprintf(__('Failed to connect to FTP Server %1$s:%2$s'), $this->options['hostname'], $this->options['port']));
+               if ( ! $this->ftp->SetServer( $this->options['hostname'], $this->options['port'] ) ) {
+                       $this->errors->add( 'connect',
+                               /* translators: %s: hostname:port */
+                               sprintf( __( 'Failed to connect to FTP Server %s' ),
+                                       $this->options['hostname'] . ':' . $this->options['port']
+                               )
+                       );
                        return false;
                }
 
                if ( ! $this->ftp->connect() ) {
-                       $this->errors->add('connect', sprintf(__('Failed to connect to FTP Server %1$s:%2$s'), $this->options['hostname'], $this->options['port']));
+                       $this->errors->add( 'connect',
+                               /* translators: %s: hostname:port */
+                               sprintf( __( 'Failed to connect to FTP Server %s' ),
+                                       $this->options['hostname'] . ':' . $this->options['port']
+                               )
+                       );
                        return false;
                }
 
-               if ( ! $this->ftp->login($this->options['username'], $this->options['password']) ) {
-                       $this->errors->add('auth', sprintf(__('Username/Password incorrect for %s'), $this->options['username']));
+               if ( ! $this->ftp->login( $this->options['username'], $this->options['password'] ) ) {
+                       $this->errors->add( 'auth',
+                               /* translators: %s: username */
+                               sprintf( __( 'Username/Password incorrect for %s' ),
+                                       $this->options['username']
+                               )
+                       );
                        return false;
                }
 
-               $this->ftp->SetType(FTP_AUTOASCII);
-               $this->ftp->Passive(true);
-               $this->ftp->setTimeout(FS_TIMEOUT);
+               $this->ftp->SetType( FTP_BINARY );
+               $this->ftp->Passive( true );
+               $this->ftp->setTimeout( FS_TIMEOUT );
                return true;
        }
 
-       function get_contents($file, $type = '', $resumepos = 0) {
+       /**
+        * Retrieves the file contents.
+        *
+        * @since 2.5.0
+        * @access public
+        *
+        * @param string $file Filename.
+        * @return string|false File contents on success, false if no temp file could be opened,
+        *                      or if the file doesn't exist.
+        */
+       public function get_contents( $file ) {
                if ( ! $this->exists($file) )
                        return false;
 
-               if ( empty($type) )
-                       $type = FTP_AUTOASCII;
-               $this->ftp->SetType($type);
-
                $temp = wp_tempnam( $file );
 
-               if ( ! $temphandle = fopen($temp, 'w+') )
+               if ( ! $temphandle = fopen( $temp, 'w+' ) ) {
+                       unlink( $temp );
                        return false;
+               }
+
+               mbstring_binary_safe_encoding();
 
                if ( ! $this->ftp->fget($temphandle, $file) ) {
                        fclose($temphandle);
                        unlink($temp);
-                       return ''; //Blank document, File does exist, Its just blank.
+
+                       reset_mbstring_encoding();
+
+                       return ''; // Blank document, File does exist, It's just blank.
                }
 
-               fseek($temphandle, 0); //Skip back to the start of the file being written to
+               reset_mbstring_encoding();
+
+               fseek( $temphandle, 0 ); // Skip back to the start of the file being written to
                $contents = '';
 
                while ( ! feof($temphandle) )
@@ -111,25 +150,50 @@ class WP_Filesystem_ftpsockets extends WP_Filesystem_Base {
                return $contents;
        }
 
-       function get_contents_array($file) {
+       /**
+        * @access public
+        *
+        * @param string $file
+        * @return array
+        */
+       public function get_contents_array($file) {
                return explode("\n", $this->get_contents($file) );
        }
 
-       function put_contents($file, $contents, $mode = false ) {
+       /**
+        * @access public
+        *
+        * @param string $file
+        * @param string $contents
+        * @param int|bool $mode
+        * @return bool
+        */
+       public function put_contents($file, $contents, $mode = false ) {
                $temp = wp_tempnam( $file );
                if ( ! $temphandle = @fopen($temp, 'w+') ) {
                        unlink($temp);
                        return false;
                }
 
-               fwrite($temphandle, $contents);
-               fseek($temphandle, 0); //Skip back to the start of the file being written to
+               // The FTP class uses string functions internally during file download/upload
+               mbstring_binary_safe_encoding();
+
+               $bytes_written = fwrite( $temphandle, $contents );
+               if ( false === $bytes_written || $bytes_written != strlen( $contents ) ) {
+                       fclose( $temphandle );
+                       unlink( $temp );
+
+                       reset_mbstring_encoding();
 
-               $type = $this->is_binary($contents) ? FTP_BINARY : FTP_ASCII;
-               $this->ftp->SetType($type);
+                       return false;
+               }
+
+               fseek( $temphandle, 0 ); // Skip back to the start of the file being written to
 
                $ret = $this->ftp->fput($file, $temphandle);
 
+               reset_mbstring_encoding();
+
                fclose($temphandle);
                unlink($temp);
 
@@ -138,22 +202,37 @@ class WP_Filesystem_ftpsockets extends WP_Filesystem_Base {
                return $ret;
        }
 
-       function cwd() {
+       /**
+        * @access public
+        *
+        * @return string
+        */
+       public function cwd() {
                $cwd = $this->ftp->pwd();
                if ( $cwd )
                        $cwd = trailingslashit($cwd);
                return $cwd;
        }
 
-       function chdir($file) {
+       /**
+        * @access public
+        *
+        * @param string $file
+        * @return bool
+        */
+       public function chdir($file) {
                return $this->ftp->chdir($file);
        }
 
-       function chgrp($file, $group, $recursive = false ) {
-               return false;
-       }
-
-       function chmod($file, $mode = false, $recursive = false ) {
+       /**
+        * @access public
+        *
+        * @param string $file
+        * @param int|bool $mode
+        * @param bool $recursive
+        * @return bool
+        */
+       public function chmod($file, $mode = false, $recursive = false ) {
                if ( ! $mode ) {
                        if ( $this->is_file($file) )
                                $mode = FS_CHMOD_FILE;
@@ -174,26 +253,49 @@ class WP_Filesystem_ftpsockets extends WP_Filesystem_Base {
                return $this->ftp->chmod($file, $mode);
        }
 
-       function chown($file, $owner, $recursive = false ) {
-               return false;
-       }
-
-       function owner($file) {
+       /**
+        * @access public
+        *
+        * @param string $file
+        * @return string
+        */
+       public function owner($file) {
                $dir = $this->dirlist($file);
                return $dir[$file]['owner'];
        }
 
-       function getchmod($file) {
+       /**
+        * @access public
+        *
+        * @param string $file
+        * @return string
+        */
+       public function getchmod($file) {
                $dir = $this->dirlist($file);
                return $dir[$file]['permsn'];
        }
 
-       function group($file) {
+       /**
+        * @access public
+        *
+        * @param string $file
+        * @return string
+        */
+       public function group($file) {
                $dir = $this->dirlist($file);
                return $dir[$file]['group'];
        }
 
-       function copy($source, $destination, $overwrite = false ) {
+       /**
+        * @access public
+        *
+        * @param string   $source
+        * @param string   $destination
+        * @param bool     $overwrite
+        * @param int|bool $mode
+        * @return bool
+        */
+       public function copy($source, $destination, $overwrite = false, $mode = false) {
                if ( ! $overwrite && $this->exists($destination) )
                        return false;
 
@@ -201,17 +303,33 @@ class WP_Filesystem_ftpsockets extends WP_Filesystem_Base {
                if ( false === $content )
                        return false;
 
-               return $this->put_contents($destination, $content);
+               return $this->put_contents($destination, $content, $mode);
        }
 
-       function move($source, $destination, $overwrite = false ) {
+       /**
+        * @access public
+        *
+        * @param string $source
+        * @param string $destination
+        * @param bool   $overwrite
+        * @return bool
+        */
+       public function move($source, $destination, $overwrite = false ) {
                return $this->ftp->rename($source, $destination);
        }
 
-       function delete($file, $recursive = false ) {
+       /**
+        * @access public
+        *
+        * @param string $file
+        * @param bool   $recursive
+        * @param string $type
+        * @return bool
+        */
+       public function delete($file, $recursive = false, $type = false) {
                if ( empty($file) )
                        return false;
-               if ( $this->is_file($file) )
+               if ( 'f' == $type || $this->is_file($file) )
                        return $this->ftp->delete($file);
                if ( !$recursive )
                        return $this->ftp->rmdir($file);
@@ -219,11 +337,30 @@ class WP_Filesystem_ftpsockets extends WP_Filesystem_Base {
                return $this->ftp->mdel($file);
        }
 
-       function exists($file) {
-               return $this->ftp->is_exists($file);
+       /**
+        * @access public
+        *
+        * @param string $file
+        * @return bool
+        */
+       public function exists( $file ) {
+               $list = $this->ftp->nlist( $file );
+
+               if ( empty( $list ) && $this->is_dir( $file ) ) {
+                       return true; // File is an empty directory.
+               }
+
+               return !empty( $list ); //empty list = no file, so invert.
+               // Return $this->ftp->is_exists($file); has issues with ABOR+426 responses on the ncFTPd server.
        }
 
-       function is_file($file) {
+       /**
+        * @access public
+        *
+        * @param string $file
+        * @return bool
+        */
+       public function is_file($file) {
                if ( $this->is_dir($file) )
                        return false;
                if ( $this->exists($file) )
@@ -231,7 +368,13 @@ class WP_Filesystem_ftpsockets extends WP_Filesystem_Base {
                return false;
        }
 
-       function is_dir($path) {
+       /**
+        * @access public
+        *
+        * @param string $path
+        * @return bool
+        */
+       public function is_dir($path) {
                $cwd = $this->cwd();
                if ( $this->chdir($path) ) {
                        $this->chdir($cwd);
@@ -240,50 +383,107 @@ class WP_Filesystem_ftpsockets extends WP_Filesystem_Base {
                return false;
        }
 
-       function is_readable($file) {
-               //Get dir list, Check if the file is writable by the current user??
+       /**
+        * @access public
+        *
+        * @param string $file
+        * @return bool
+        */
+       public function is_readable($file) {
                return true;
        }
 
-       function is_writable($file) {
-               //Get dir list, Check if the file is writable by the current user??
+       /**
+        * @access public
+        *
+        * @param string $file
+        * @return bool
+        */
+       public function is_writable($file) {
                return true;
        }
 
-       function atime($file) {
+       /**
+        * @access public
+        *
+        * @param string $file
+        * @return bool
+        */
+       public function atime($file) {
                return false;
        }
 
-       function mtime($file) {
+       /**
+        * @access public
+        *
+        * @param string $file
+        * @return int
+        */
+       public function mtime($file) {
                return $this->ftp->mdtm($file);
        }
 
-       function size($file) {
+       /**
+        * @param string $file
+        * @return int
+        */
+       public function size($file) {
                return $this->ftp->filesize($file);
        }
 
-       function touch($file, $time = 0, $atime = 0 ) {
+       /**
+        * @access public
+        *
+        * @param string $file
+        * @param int $time
+        * @param int $atime
+        * @return bool
+        */
+       public function touch($file, $time = 0, $atime = 0 ) {
                return false;
        }
 
-       function mkdir($path, $chmod = false, $chown = false, $chgrp = false ) {
+       /**
+        * @access public
+        *
+        * @param string $path
+        * @param mixed  $chmod
+        * @param mixed  $chown
+        * @param mixed  $chgrp
+        * @return bool
+        */
+       public function mkdir($path, $chmod = false, $chown = false, $chgrp = false ) {
+               $path = untrailingslashit($path);
+               if ( empty($path) )
+                       return false;
+
                if ( ! $this->ftp->mkdir($path) )
                        return false;
                if ( ! $chmod )
                        $chmod = FS_CHMOD_DIR;
                $this->chmod($path, $chmod);
-               if ( $chown )
-                       $this->chown($path, $chown);
-               if ( $chgrp )
-                       $this->chgrp($path, $chgrp);
                return true;
        }
 
-       function rmdir($path, $recursive = false ) {
+       /**
+        * @access public
+        *
+        * @param string $path
+        * @param bool $recursive
+        */
+       public function rmdir($path, $recursive = false ) {
                $this->delete($path, $recursive);
        }
 
-       function dirlist($path = '.', $include_hidden = true, $recursive = false ) {
+       /**
+        * @access public
+        *
+        * @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) . '/';
@@ -291,9 +491,15 @@ class WP_Filesystem_ftpsockets extends WP_Filesystem_Base {
                        $limit_file = false;
                }
 
+               mbstring_binary_safe_encoding();
+
                $list = $this->ftp->dirlist($path);
-               if ( empty($list) && !$this->exists($path) )
+               if ( empty( $list ) && ! $this->exists( $path ) ) {
+
+                       reset_mbstring_encoding();
+
                        return false;
+               }
 
                $ret = array();
                foreach ( $list as $struc ) {
@@ -314,14 +520,25 @@ class WP_Filesystem_ftpsockets extends WP_Filesystem_Base {
                                        $struc['files'] = array();
                        }
 
+                       // Replace symlinks formatted as "source -> target" with just the source name
+                       if ( $struc['islink'] )
+                               $struc['name'] = preg_replace( '/(\s*->\s*.*)$/', '', $struc['name'] );
+
+                       // Add the Octal representation of the file permissions
+                       $struc['permsn'] = $this->getnumchmodfromh( $struc['perms'] );
+
                        $ret[ $struc['name'] ] = $struc;
                }
+
+               reset_mbstring_encoding();
+
                return $ret;
        }
 
-       function __destruct() {
+       /**
+        * @access public
+        */
+       public function __destruct() {
                $this->ftp->quit();
        }
 }
-
-?>