1 <?php

     2 /**

     3  * WordPress FTP Sockets Filesystem.

     4  *

     5  * @package WordPress

     6  * @subpackage Filesystem

     7  */

     8 

     9 /**

    10  * WordPress Filesystem Class for implementing FTP Sockets.

    11  *

    12  * @since 2.5

    13  * @package WordPress

    14  * @subpackage Filesystem

    15  * @uses WP_Filesystem_Base Extends class

    16  */

    17 class WP_Filesystem_ftpsockets extends WP_Filesystem_Base {

    18 	var $ftp = false;

    19 	var $errors = null;

    20 	var $options = array();

    21 

    22 	function __construct($opt = '') {

    23 		$this->method = 'ftpsockets';

    24 		$this->errors = new WP_Error();

    25 

    26 		// Check if possible to use ftp functions.

    27 		if ( ! @include_once ABSPATH . 'wp-admin/includes/class-ftp.php' )

    28 				return false;

    29 		$this->ftp = new ftp();

    30 

    31 		if ( empty($opt['port']) )

    32 			$this->options['port'] = 21;

    33 		else

    34 			$this->options['port'] = $opt['port'];

    35 

    36 		if ( empty($opt['hostname']) )

    37 			$this->errors->add('empty_hostname', __('FTP hostname is required'));

    38 		else

    39 			$this->options['hostname'] = $opt['hostname'];

    40 

    41 		if ( ! empty($opt['base']) )

    42 			$this->wp_base = $opt['base'];

    43 

    44 		// Check if the options provided are OK.

    45 		if ( empty ($opt['username']) )

    46 			$this->errors->add('empty_username', __('FTP username is required'));

    47 		else

    48 			$this->options['username'] = $opt['username'];

    49 

    50 		if ( empty ($opt['password']) )

    51 			$this->errors->add('empty_password', __('FTP password is required'));

    52 		else

    53 			$this->options['password'] = $opt['password'];

    54 	}

    55 

    56 	function connect() {

    57 		if ( ! $this->ftp )

    58 			return false;

    59 

    60 		$this->ftp->setTimeout(FS_CONNECT_TIMEOUT);

    61 

    62 		if ( ! $this->ftp->SetServer($this->options['hostname'], $this->options['port']) ) {

    63 			$this->errors->add('connect', sprintf(__('Failed to connect to FTP Server %1$s:%2$s'), $this->options['hostname'], $this->options['port']));

    64 			return false;

    65 		}

    66 

    67 		if ( ! $this->ftp->connect() ) {

    68 			$this->errors->add('connect', sprintf(__('Failed to connect to FTP Server %1$s:%2$s'), $this->options['hostname'], $this->options['port']));

    69 			return false;

    70 		}

    71 

    72 		if ( ! $this->ftp->login($this->options['username'], $this->options['password']) ) {

    73 			$this->errors->add('auth', sprintf(__('Username/Password incorrect for %s'), $this->options['username']));

    74 			return false;

    75 		}

    76 

    77 		$this->ftp->SetType( FTP_BINARY );

    78 		$this->ftp->Passive( true );

    79 		$this->ftp->setTimeout( FS_TIMEOUT );

    80 		return true;

    81 	}

    82 

    83 	function get_contents( $file ) {

    84 		if ( ! $this->exists($file) )

    85 			return false;

    86 

    87 		$temp = wp_tempnam( $file );

    88 

    89 		if ( ! $temphandle = fopen($temp, 'w+') )

    90 			return false;

    91 

    92 		mbstring_binary_safe_encoding();

    93 

    94 		if ( ! $this->ftp->fget($temphandle, $file) ) {

    95 			fclose($temphandle);

    96 			unlink($temp);

    97 

    98 			reset_mbstring_encoding();

    99 

   100 			return ''; // Blank document, File does exist, It's just blank.

   101 		}

   102 

   103 		reset_mbstring_encoding();

   104 

   105 		fseek( $temphandle, 0 ); // Skip back to the start of the file being written to

   106 		$contents = '';

   107 

   108 		while ( ! feof($temphandle) )

   109 			$contents .= fread($temphandle, 8192);

   110 

   111 		fclose($temphandle);

   112 		unlink($temp);

   113 		return $contents;

   114 	}

   115 

   116 	function get_contents_array($file) {

   117 		return explode("\n", $this->get_contents($file) );

   118 	}

   119 

   120 	function put_contents($file, $contents, $mode = false ) {

   121 		$temp = wp_tempnam( $file );

   122 		if ( ! $temphandle = @fopen($temp, 'w+') ) {

   123 			unlink($temp);

   124 			return false;

   125 		}

   126 

   127 		// The FTP class uses string functions internally during file download/upload

   128 		mbstring_binary_safe_encoding();

   129 

   130 		$bytes_written = fwrite( $temphandle, $contents );

   131 		if ( false === $bytes_written || $bytes_written != strlen( $contents ) ) {

   132 			fclose( $temphandle );

   133 			unlink( $temp );

   134 

   135 			reset_mbstring_encoding();

   136 

   137 			return false;

   138 		}

   139 

   140 		fseek( $temphandle, 0 ); // Skip back to the start of the file being written to

   141 

   142 		$ret = $this->ftp->fput($file, $temphandle);

   143 

   144 		reset_mbstring_encoding();

   145 

   146 		fclose($temphandle);

   147 		unlink($temp);

   148 

   149 		$this->chmod($file, $mode);

   150 

   151 		return $ret;

   152 	}

   153 

   154 	function cwd() {

   155 		$cwd = $this->ftp->pwd();

   156 		if ( $cwd )

   157 			$cwd = trailingslashit($cwd);

   158 		return $cwd;

   159 	}

   160 

   161 	function chdir($file) {

   162 		return $this->ftp->chdir($file);

   163 	}

   164 

   165 	function chgrp($file, $group, $recursive = false ) {

   166 		return false;

   167 	}

   168 

   169 	function chmod($file, $mode = false, $recursive = false ) {

   170 		if ( ! $mode ) {

   171 			if ( $this->is_file($file) )

   172 				$mode = FS_CHMOD_FILE;

   173 			elseif ( $this->is_dir($file) )

   174 				$mode = FS_CHMOD_DIR;

   175 			else

   176 				return false;

   177 		}

   178 

   179 		// chmod any sub-objects if recursive.

   180 		if ( $recursive && $this->is_dir($file) ) {

   181 			$filelist = $this->dirlist($file);

   182 			foreach ( (array)$filelist as $filename => $filemeta )

   183 				$this->chmod($file . '/' . $filename, $mode, $recursive);

   184 		}

   185 

   186 		// chmod the file or directory

   187 		return $this->ftp->chmod($file, $mode);

   188 	}

   189 

   190 	function owner($file) {

   191 		$dir = $this->dirlist($file);

   192 		return $dir[$file]['owner'];

   193 	}

   194 

   195 	function getchmod($file) {

   196 		$dir = $this->dirlist($file);

   197 		return $dir[$file]['permsn'];

   198 	}

   199 

   200 	function group($file) {

   201 		$dir = $this->dirlist($file);

   202 		return $dir[$file]['group'];

   203 	}

   204 

   205 	function copy($source, $destination, $overwrite = false, $mode = false) {

   206 		if ( ! $overwrite && $this->exists($destination) )

   207 			return false;

   208 

   209 		$content = $this->get_contents($source);

   210 		if ( false === $content )

   211 			return false;

   212 

   213 		return $this->put_contents($destination, $content, $mode);

   214 	}

   215 

   216 	function move($source, $destination, $overwrite = false ) {

   217 		return $this->ftp->rename($source, $destination);

   218 	}

   219 

   220 	function delete($file, $recursive = false, $type = false) {

   221 		if ( empty($file) )

   222 			return false;

   223 		if ( 'f' == $type || $this->is_file($file) )

   224 			return $this->ftp->delete($file);

   225 		if ( !$recursive )

   226 			return $this->ftp->rmdir($file);

   227 

   228 		return $this->ftp->mdel($file);

   229 	}

   230 

   231 	function exists( $file ) {

   232 		$list = $this->ftp->nlist( $file );

   233 		return !empty( $list ); //empty list = no file, so invert.

   234 		// return $this->ftp->is_exists($file); has issues with ABOR+426 responses on the ncFTPd server

   235 	}

   236 

   237 	function is_file($file) {

   238 		if ( $this->is_dir($file) )

   239 			return false;

   240 		if ( $this->exists($file) )

   241 			return true;

   242 		return false;

   243 	}

   244 

   245 	function is_dir($path) {

   246 		$cwd = $this->cwd();

   247 		if ( $this->chdir($path) ) {

   248 			$this->chdir($cwd);

   249 			return true;

   250 		}

   251 		return false;

   252 	}

   253 

   254 	function is_readable($file) {

   255 		return true;

   256 	}

   257 

   258 	function is_writable($file) {

   259 		return true;

   260 	}

   261 

   262 	function atime($file) {

   263 		return false;

   264 	}

   265 

   266 	function mtime($file) {

   267 		return $this->ftp->mdtm($file);

   268 	}

   269 

   270 	function size($file) {

   271 		return $this->ftp->filesize($file);

   272 	}

   273 

   274 	function touch($file, $time = 0, $atime = 0 ) {

   275 		return false;

   276 	}

   277 

   278 	function mkdir($path, $chmod = false, $chown = false, $chgrp = false ) {

   279 		$path = untrailingslashit($path);

   280 		if ( empty($path) )

   281 			return false;

   282 

   283 		if ( ! $this->ftp->mkdir($path) )

   284 			return false;

   285 		if ( ! $chmod )

   286 			$chmod = FS_CHMOD_DIR;

   287 		$this->chmod($path, $chmod);

   288 		if ( $chown )

   289 			$this->chown($path, $chown);

   290 		if ( $chgrp )

   291 			$this->chgrp($path, $chgrp);

   292 		return true;

   293 	}

   294 

   295 	function rmdir($path, $recursive = false ) {

   296 		$this->delete($path, $recursive);

   297 	}

   298 

   299 	function dirlist($path = '.', $include_hidden = true, $recursive = false ) {

   300 		if ( $this->is_file($path) ) {

   301 			$limit_file = basename($path);

   302 			$path = dirname($path) . '/';

   303 		} else {

   304 			$limit_file = false;

   305 		}

   306 

   307 		mbstring_binary_safe_encoding();

   308 

   309 		$list = $this->ftp->dirlist($path);

   310 		if ( empty( $list ) && ! $this->exists( $path ) ) {

   311 

   312 			reset_mbstring_encoding();

   313 

   314 			return false;

   315 		}

   316 

   317 		$ret = array();

   318 		foreach ( $list as $struc ) {

   319 

   320 			if ( '.' == $struc['name'] || '..' == $struc['name'] )

   321 				continue;

   322 

   323 			if ( ! $include_hidden && '.' == $struc['name'][0] )

   324 				continue;

   325 

   326 			if ( $limit_file && $struc['name'] != $limit_file )

   327 				continue;

   328 

   329 			if ( 'd' == $struc['type'] ) {

   330 				if ( $recursive )

   331 					$struc['files'] = $this->dirlist($path . '/' . $struc['name'], $include_hidden, $recursive);

   332 				else

   333 					$struc['files'] = array();

   334 			}

   335 

   336 			// Replace symlinks formatted as "source -> target" with just the source name

   337 			if ( $struc['islink'] )

   338 				$struc['name'] = preg_replace( '/(\s*->\s*.*)$/', '', $struc['name'] );

   339 

   340 			$ret[ $struc['name'] ] = $struc;

   341 		}

   342 

   343 		reset_mbstring_encoding();

   344 

   345 		return $ret;

   346 	}

   347 

   348 	function __destruct() {

   349 		$this->ftp->quit();

   350 	}

   351 }