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   1  <?php
   2  /**
   3   * WordPress FTP Filesystem.
   4   *
   5   * @package WordPress
   6   * @subpackage Filesystem
   7   */
   8  
   9  /**
  10   * WordPress Filesystem Class for implementing FTP.
  11   *
  12   * @since 2.5.0
  13   *
  14   * @see WP_Filesystem_Base
  15   */
  16  class WP_Filesystem_FTPext extends WP_Filesystem_Base {
  17  
  18      /**
  19       * @since 2.5.0
  20       * @var resource
  21       */
  22      public $link;
  23  
  24      /**
  25       * Constructor.
  26       *
  27       * @since 2.5.0
  28       *
  29       * @param array $opt
  30       */
  31  	public function __construct( $opt = '' ) {
  32          $this->method = 'ftpext';
  33          $this->errors = new WP_Error();
  34  
  35          // Check if possible to use ftp functions.
  36          if ( ! extension_loaded( 'ftp' ) ) {
  37              $this->errors->add( 'no_ftp_ext', __( 'The ftp PHP extension is not available' ) );
  38              return;
  39          }
  40  
  41          // This class uses the timeout on a per-connection basis, others use it on a per-action basis.
  42          if ( ! defined( 'FS_TIMEOUT' ) ) {
  43              define( 'FS_TIMEOUT', 240 );
  44          }
  45  
  46          if ( empty( $opt['port'] ) ) {
  47              $this->options['port'] = 21;
  48          } else {
  49              $this->options['port'] = $opt['port'];
  50          }
  51  
  52          if ( empty( $opt['hostname'] ) ) {
  53              $this->errors->add( 'empty_hostname', __( 'FTP hostname is required' ) );
  54          } else {
  55              $this->options['hostname'] = $opt['hostname'];
  56          }
  57  
  58          // Check if the options provided are OK.
  59          if ( empty( $opt['username'] ) ) {
  60              $this->errors->add( 'empty_username', __( 'FTP username is required' ) );
  61          } else {
  62              $this->options['username'] = $opt['username'];
  63          }
  64  
  65          if ( empty( $opt['password'] ) ) {
  66              $this->errors->add( 'empty_password', __( 'FTP password is required' ) );
  67          } else {
  68              $this->options['password'] = $opt['password'];
  69          }
  70  
  71          $this->options['ssl'] = false;
  72  
  73          if ( isset( $opt['connection_type'] ) && 'ftps' === $opt['connection_type'] ) {
  74              $this->options['ssl'] = true;
  75          }
  76      }
  77  
  78      /**
  79       * Connects filesystem.
  80       *
  81       * @since 2.5.0
  82       *
  83       * @return bool True on success, false on failure.
  84       */
  85  	public function connect() {
  86          if ( isset( $this->options['ssl'] ) && $this->options['ssl'] && function_exists( 'ftp_ssl_connect' ) ) {
  87              $this->link = @ftp_ssl_connect( $this->options['hostname'], $this->options['port'], FS_CONNECT_TIMEOUT );
  88          } else {
  89              $this->link = @ftp_connect( $this->options['hostname'], $this->options['port'], FS_CONNECT_TIMEOUT );
  90          }
  91  
  92          if ( ! $this->link ) {
  93              $this->errors->add(
  94                  'connect',
  95                  sprintf(
  96                      /* translators: %s: hostname:port */
  97                      __( 'Failed to connect to FTP Server %s' ),
  98                      $this->options['hostname'] . ':' . $this->options['port']
  99                  )
 100              );
 101  
 102              return false;
 103          }
 104  
 105          if ( ! @ftp_login( $this->link, $this->options['username'], $this->options['password'] ) ) {
 106              $this->errors->add(
 107                  'auth',
 108                  sprintf(
 109                      /* translators: %s: Username. */
 110                      __( 'Username/Password incorrect for %s' ),
 111                      $this->options['username']
 112                  )
 113              );
 114  
 115              return false;
 116          }
 117  
 118          // Set the connection to use Passive FTP.
 119          ftp_pasv( $this->link, true );
 120  
 121          if ( @ftp_get_option( $this->link, FTP_TIMEOUT_SEC ) < FS_TIMEOUT ) {
 122              @ftp_set_option( $this->link, FTP_TIMEOUT_SEC, FS_TIMEOUT );
 123          }
 124  
 125          return true;
 126      }
 127  
 128      /**
 129       * Reads entire file into a string.
 130       *
 131       * @since 2.5.0
 132       *
 133       * @param string $file Name of the file to read.
 134       * @return string|false Read data on success, false if no temporary file could be opened,
 135       *                      or if the file couldn't be retrieved.
 136       */
 137  	public function get_contents( $file ) {
 138          $tempfile   = wp_tempnam( $file );
 139          $temphandle = fopen( $tempfile, 'w+' );
 140  
 141          if ( ! $temphandle ) {
 142              unlink( $tempfile );
 143              return false;
 144          }
 145  
 146          if ( ! ftp_fget( $this->link, $temphandle, $file, FTP_BINARY ) ) {
 147              fclose( $temphandle );
 148              unlink( $tempfile );
 149              return false;
 150          }
 151  
 152          fseek( $temphandle, 0 ); // Skip back to the start of the file being written to.
 153          $contents = '';
 154  
 155          while ( ! feof( $temphandle ) ) {
 156              $contents .= fread( $temphandle, 8 * KB_IN_BYTES );
 157          }
 158  
 159          fclose( $temphandle );
 160          unlink( $tempfile );
 161  
 162          return $contents;
 163      }
 164  
 165      /**
 166       * Reads entire file into an array.
 167       *
 168       * @since 2.5.0
 169       *
 170       * @param string $file Path to the file.
 171       * @return array|false File contents in an array on success, false on failure.
 172       */
 173  	public function get_contents_array( $file ) {
 174          return explode( "\n", $this->get_contents( $file ) );
 175      }
 176  
 177      /**
 178       * Writes a string to a file.
 179       *
 180       * @since 2.5.0
 181       *
 182       * @param string    $file     Remote path to the file where to write the data.
 183       * @param string    $contents The data to write.
 184       * @param int|false $mode     Optional. The file permissions as octal number, usually 0644.
 185       *                            Default false.
 186       * @return bool True on success, false on failure.
 187       */
 188  	public function put_contents( $file, $contents, $mode = false ) {
 189          $tempfile   = wp_tempnam( $file );
 190          $temphandle = fopen( $tempfile, 'wb+' );
 191  
 192          if ( ! $temphandle ) {
 193              unlink( $tempfile );
 194              return false;
 195          }
 196  
 197          mbstring_binary_safe_encoding();
 198  
 199          $data_length   = strlen( $contents );
 200          $bytes_written = fwrite( $temphandle, $contents );
 201  
 202          reset_mbstring_encoding();
 203  
 204          if ( $data_length !== $bytes_written ) {
 205              fclose( $temphandle );
 206              unlink( $tempfile );
 207              return false;
 208          }
 209  
 210          fseek( $temphandle, 0 ); // Skip back to the start of the file being written to.
 211  
 212          $ret = ftp_fput( $this->link, $file, $temphandle, FTP_BINARY );
 213  
 214          fclose( $temphandle );
 215          unlink( $tempfile );
 216  
 217          $this->chmod( $file, $mode );
 218  
 219          return $ret;
 220      }
 221  
 222      /**
 223       * Gets the current working directory.
 224       *
 225       * @since 2.5.0
 226       *
 227       * @return string|false The current working directory on success, false on failure.
 228       */
 229  	public function cwd() {
 230          $cwd = ftp_pwd( $this->link );
 231  
 232          if ( $cwd ) {
 233              $cwd = trailingslashit( $cwd );
 234          }
 235  
 236          return $cwd;
 237      }
 238  
 239      /**
 240       * Changes current directory.
 241       *
 242       * @since 2.5.0
 243       *
 244       * @param string $dir The new current directory.
 245       * @return bool True on success, false on failure.
 246       */
 247  	public function chdir( $dir ) {
 248          return @ftp_chdir( $this->link, $dir );
 249      }
 250  
 251      /**
 252       * Changes filesystem permissions.
 253       *
 254       * @since 2.5.0
 255       *
 256       * @param string    $file      Path to the file.
 257       * @param int|false $mode      Optional. The permissions as octal number, usually 0644 for files,
 258       *                             0755 for directories. Default false.
 259       * @param bool      $recursive Optional. If set to true, changes file permissions recursively.
 260       *                             Default false.
 261       * @return bool True on success, false on failure.
 262       */
 263  	public function chmod( $file, $mode = false, $recursive = false ) {
 264          if ( ! $mode ) {
 265              if ( $this->is_file( $file ) ) {
 266                  $mode = FS_CHMOD_FILE;
 267              } elseif ( $this->is_dir( $file ) ) {
 268                  $mode = FS_CHMOD_DIR;
 269              } else {
 270                  return false;
 271              }
 272          }
 273  
 274          // chmod any sub-objects if recursive.
 275          if ( $recursive && $this->is_dir( $file ) ) {
 276              $filelist = $this->dirlist( $file );
 277  
 278              foreach ( (array) $filelist as $filename => $filemeta ) {
 279                  $this->chmod( $file . '/' . $filename, $mode, $recursive );
 280              }
 281          }
 282  
 283          // chmod the file or directory.
 284          if ( ! function_exists( 'ftp_chmod' ) ) {
 285              return (bool) ftp_site( $this->link, sprintf( 'CHMOD %o %s', $mode, $file ) );
 286          }
 287  
 288          return (bool) ftp_chmod( $this->link, $mode, $file );
 289      }
 290  
 291      /**
 292       * Gets the file owner.
 293       *
 294       * @since 2.5.0
 295       *
 296       * @param string $file Path to the file.
 297       * @return string|false Username of the owner on success, false on failure.
 298       */
 299  	public function owner( $file ) {
 300          $dir = $this->dirlist( $file );
 301  
 302          return $dir[ $file ]['owner'];
 303      }
 304  
 305      /**
 306       * Gets the permissions of the specified file or filepath in their octal format.
 307       *
 308       * @since 2.5.0
 309       *
 310       * @param string $file Path to the file.
 311       * @return string Mode of the file (the last 3 digits).
 312       */
 313  	public function getchmod( $file ) {
 314          $dir = $this->dirlist( $file );
 315  
 316          return $dir[ $file ]['permsn'];
 317      }
 318  
 319      /**
 320       * Gets the file's group.
 321       *
 322       * @since 2.5.0
 323       *
 324       * @param string $file Path to the file.
 325       * @return string|false The group on success, false on failure.
 326       */
 327  	public function group( $file ) {
 328          $dir = $this->dirlist( $file );
 329  
 330          return $dir[ $file ]['group'];
 331      }
 332  
 333      /**
 334       * Copies a file.
 335       *
 336       * @since 2.5.0
 337       *
 338       * @param string    $source      Path to the source file.
 339       * @param string    $destination Path to the destination file.
 340       * @param bool      $overwrite   Optional. Whether to overwrite the destination file if it exists.
 341       *                               Default false.
 342       * @param int|false $mode        Optional. The permissions as octal number, usually 0644 for files,
 343       *                               0755 for dirs. Default false.
 344       * @return bool True on success, false on failure.
 345       */
 346  	public function copy( $source, $destination, $overwrite = false, $mode = false ) {
 347          if ( ! $overwrite && $this->exists( $destination ) ) {
 348              return false;
 349          }
 350  
 351          $content = $this->get_contents( $source );
 352  
 353          if ( false === $content ) {
 354              return false;
 355          }
 356  
 357          return $this->put_contents( $destination, $content, $mode );
 358      }
 359  
 360      /**
 361       * Moves a file.
 362       *
 363       * @since 2.5.0
 364       *
 365       * @param string $source      Path to the source file.
 366       * @param string $destination Path to the destination file.
 367       * @param bool   $overwrite   Optional. Whether to overwrite the destination file if it exists.
 368       *                            Default false.
 369       * @return bool True on success, false on failure.
 370       */
 371  	public function move( $source, $destination, $overwrite = false ) {
 372          return ftp_rename( $this->link, $source, $destination );
 373      }
 374  
 375      /**
 376       * Deletes a file or directory.
 377       *
 378       * @since 2.5.0
 379       *
 380       * @param string       $file      Path to the file or directory.
 381       * @param bool         $recursive Optional. If set to true, deletes files and folders recursively.
 382       *                                Default false.
 383       * @param string|false $type      Type of resource. 'f' for file, 'd' for directory.
 384       *                                Default false.
 385       * @return bool True on success, false on failure.
 386       */
 387  	public function delete( $file, $recursive = false, $type = false ) {
 388          if ( empty( $file ) ) {
 389              return false;
 390          }
 391  
 392          if ( 'f' === $type || $this->is_file( $file ) ) {
 393              return ftp_delete( $this->link, $file );
 394          }
 395  
 396          if ( ! $recursive ) {
 397              return ftp_rmdir( $this->link, $file );
 398          }
 399  
 400          $filelist = $this->dirlist( trailingslashit( $file ) );
 401  
 402          if ( ! empty( $filelist ) ) {
 403              foreach ( $filelist as $delete_file ) {
 404                  $this->delete( trailingslashit( $file ) . $delete_file['name'], $recursive, $delete_file['type'] );
 405              }
 406          }
 407  
 408          return ftp_rmdir( $this->link, $file );
 409      }
 410  
 411      /**
 412       * Checks if a file or directory exists.
 413       *
 414       * @since 2.5.0
 415       *
 416       * @param string $file Path to file or directory.
 417       * @return bool Whether $file exists or not.
 418       */
 419  	public function exists( $file ) {
 420          $list = ftp_nlist( $this->link, $file );
 421  
 422          if ( empty( $list ) && $this->is_dir( $file ) ) {
 423              return true; // File is an empty directory.
 424          }
 425  
 426          return ! empty( $list ); // Empty list = no file, so invert.
 427      }
 428  
 429      /**
 430       * Checks if resource is a file.
 431       *
 432       * @since 2.5.0
 433       *
 434       * @param string $file File path.
 435       * @return bool Whether $file is a file.
 436       */
 437  	public function is_file( $file ) {
 438          return $this->exists( $file ) && ! $this->is_dir( $file );
 439      }
 440  
 441      /**
 442       * Checks if resource is a directory.
 443       *
 444       * @since 2.5.0
 445       *
 446       * @param string $path Directory path.
 447       * @return bool Whether $path is a directory.
 448       */
 449  	public function is_dir( $path ) {
 450          $cwd    = $this->cwd();
 451          $result = @ftp_chdir( $this->link, trailingslashit( $path ) );
 452  
 453          if ( $result && $path === $this->cwd() || $this->cwd() !== $cwd ) {
 454              @ftp_chdir( $this->link, $cwd );
 455              return true;
 456          }
 457  
 458          return false;
 459      }
 460  
 461      /**
 462       * Checks if a file is readable.
 463       *
 464       * @since 2.5.0
 465       *
 466       * @param string $file Path to file.
 467       * @return bool Whether $file is readable.
 468       */
 469  	public function is_readable( $file ) {
 470          return true;
 471      }
 472  
 473      /**
 474       * Checks if a file or directory is writable.
 475       *
 476       * @since 2.5.0
 477       *
 478       * @param string $file Path to file or directory.
 479       * @return bool Whether $file is writable.
 480       */
 481  	public function is_writable( $file ) {
 482          return true;
 483      }
 484  
 485      /**
 486       * Gets the file's last access time.
 487       *
 488       * @since 2.5.0
 489       *
 490       * @param string $file Path to file.
 491       * @return int|false Unix timestamp representing last access time, false on failure.
 492       */
 493  	public function atime( $file ) {
 494          return false;
 495      }
 496  
 497      /**
 498       * Gets the file modification time.
 499       *
 500       * @since 2.5.0
 501       *
 502       * @param string $file Path to file.
 503       * @return int|false Unix timestamp representing modification time, false on failure.
 504       */
 505  	public function mtime( $file ) {
 506          return ftp_mdtm( $this->link, $file );
 507      }
 508  
 509      /**
 510       * Gets the file size (in bytes).
 511       *
 512       * @since 2.5.0
 513       *
 514       * @param string $file Path to file.
 515       * @return int|false Size of the file in bytes on success, false on failure.
 516       */
 517  	public function size( $file ) {
 518          return ftp_size( $this->link, $file );
 519      }
 520  
 521      /**
 522       * Sets the access and modification times of a file.
 523       *
 524       * Note: If $file doesn't exist, it will be created.
 525       *
 526       * @since 2.5.0
 527       *
 528       * @param string $file  Path to file.
 529       * @param int    $time  Optional. Modified time to set for file.
 530       *                      Default 0.
 531       * @param int    $atime Optional. Access time to set for file.
 532       *                      Default 0.
 533       * @return bool True on success, false on failure.
 534       */
 535  	public function touch( $file, $time = 0, $atime = 0 ) {
 536          return false;
 537      }
 538  
 539      /**
 540       * Creates a directory.
 541       *
 542       * @since 2.5.0
 543       *
 544       * @param string           $path  Path for new directory.
 545       * @param int|false        $chmod Optional. The permissions as octal number (or false to skip chmod).
 546       *                                Default false.
 547       * @param string|int|false $chown Optional. A user name or number (or false to skip chown).
 548       *                                Default false.
 549       * @param string|int|false $chgrp Optional. A group name or number (or false to skip chgrp).
 550       *                                Default false.
 551       * @return bool True on success, false on failure.
 552       */
 553  	public function mkdir( $path, $chmod = false, $chown = false, $chgrp = false ) {
 554          $path = untrailingslashit( $path );
 555  
 556          if ( empty( $path ) ) {
 557              return false;
 558          }
 559  
 560          if ( ! ftp_mkdir( $this->link, $path ) ) {
 561              return false;
 562          }
 563  
 564          $this->chmod( $path, $chmod );
 565  
 566          return true;
 567      }
 568  
 569      /**
 570       * Deletes a directory.
 571       *
 572       * @since 2.5.0
 573       *
 574       * @param string $path      Path to directory.
 575       * @param bool   $recursive Optional. Whether to recursively remove files/directories.
 576       *                          Default false.
 577       * @return bool True on success, false on failure.
 578       */
 579  	public function rmdir( $path, $recursive = false ) {
 580          return $this->delete( $path, $recursive );
 581      }
 582  
 583      /**
 584       * @param string $line
 585       * @return array
 586       */
 587  	public function parselisting( $line ) {
 588          static $is_windows = null;
 589  
 590          if ( is_null( $is_windows ) ) {
 591              $is_windows = stripos( ftp_systype( $this->link ), 'win' ) !== false;
 592          }
 593  
 594          if ( $is_windows && preg_match( '/([0-9]{2})-([0-9]{2})-([0-9]{2}) +([0-9]{2}):([0-9]{2})(AM|PM) +([0-9]+|<DIR>) +(.+)/', $line, $lucifer ) ) {
 595              $b = array();
 596  
 597              if ( $lucifer[3] < 70 ) {
 598                  $lucifer[3] += 2000;
 599              } else {
 600                  $lucifer[3] += 1900; // 4-digit year fix.
 601              }
 602  
 603              $b['isdir'] = ( '<DIR>' === $lucifer[7] );
 604  
 605              if ( $b['isdir'] ) {
 606                  $b['type'] = 'd';
 607              } else {
 608                  $b['type'] = 'f';
 609              }
 610  
 611              $b['size']   = $lucifer[7];
 612              $b['month']  = $lucifer[1];
 613              $b['day']    = $lucifer[2];
 614              $b['year']   = $lucifer[3];
 615              $b['hour']   = $lucifer[4];
 616              $b['minute'] = $lucifer[5];
 617              $b['time']   = mktime( $lucifer[4] + ( strcasecmp( $lucifer[6], 'PM' ) === 0 ? 12 : 0 ), $lucifer[5], 0, $lucifer[1], $lucifer[2], $lucifer[3] );
 618              $b['am/pm']  = $lucifer[6];
 619              $b['name']   = $lucifer[8];
 620          } elseif ( ! $is_windows ) {
 621              $lucifer = preg_split( '/[ ]/', $line, 9, PREG_SPLIT_NO_EMPTY );
 622  
 623              if ( $lucifer ) {
 624                  // echo $line."\n";
 625                  $lcount = count( $lucifer );
 626  
 627                  if ( $lcount < 8 ) {
 628                      return '';
 629                  }
 630  
 631                  $b           = array();
 632                  $b['isdir']  = 'd' === $lucifer[0][0];
 633                  $b['islink'] = 'l' === $lucifer[0][0];
 634  
 635                  if ( $b['isdir'] ) {
 636                      $b['type'] = 'd';
 637                  } elseif ( $b['islink'] ) {
 638                      $b['type'] = 'l';
 639                  } else {
 640                      $b['type'] = 'f';
 641                  }
 642  
 643                  $b['perms']  = $lucifer[0];
 644                  $b['permsn'] = $this->getnumchmodfromh( $b['perms'] );
 645                  $b['number'] = $lucifer[1];
 646                  $b['owner']  = $lucifer[2];
 647                  $b['group']  = $lucifer[3];
 648                  $b['size']   = $lucifer[4];
 649  
 650                  if ( 8 === $lcount ) {
 651                      sscanf( $lucifer[5], '%d-%d-%d', $b['year'], $b['month'], $b['day'] );
 652                      sscanf( $lucifer[6], '%d:%d', $b['hour'], $b['minute'] );
 653  
 654                      $b['time'] = mktime( $b['hour'], $b['minute'], 0, $b['month'], $b['day'], $b['year'] );
 655                      $b['name'] = $lucifer[7];
 656                  } else {
 657                      $b['month'] = $lucifer[5];
 658                      $b['day']   = $lucifer[6];
 659  
 660                      if ( preg_match( '/([0-9]{2}):([0-9]{2})/', $lucifer[7], $l2 ) ) {
 661                          $b['year']   = gmdate( 'Y' );
 662                          $b['hour']   = $l2[1];
 663                          $b['minute'] = $l2[2];
 664                      } else {
 665                          $b['year']   = $lucifer[7];
 666                          $b['hour']   = 0;
 667                          $b['minute'] = 0;
 668                      }
 669  
 670                      $b['time'] = strtotime( sprintf( '%d %s %d %02d:%02d', $b['day'], $b['month'], $b['year'], $b['hour'], $b['minute'] ) );
 671                      $b['name'] = $lucifer[8];
 672                  }
 673              }
 674          }
 675  
 676          // Replace symlinks formatted as "source -> target" with just the source name.
 677          if ( isset( $b['islink'] ) && $b['islink'] ) {
 678              $b['name'] = preg_replace( '/(\s*->\s*.*)$/', '', $b['name'] );
 679          }
 680  
 681          return $b;
 682      }
 683  
 684      /**
 685       * Gets details for files in a directory or a specific file.
 686       *
 687       * @since 2.5.0
 688       *
 689       * @param string $path           Path to directory or file.
 690       * @param bool   $include_hidden Optional. Whether to include details of hidden ("." prefixed) files.
 691       *                               Default true.
 692       * @param bool   $recursive      Optional. Whether to recursively include file details in nested directories.
 693       *                               Default false.
 694       * @return array|false {
 695       *     Array of files. False if unable to list directory contents.
 696       *
 697       *     @type string $name        Name of the file or directory.
 698       *     @type string $perms       *nix representation of permissions.
 699       *     @type string $permsn      Octal representation of permissions.
 700       *     @type string $owner       Owner name or ID.
 701       *     @type int    $size        Size of file in bytes.
 702       *     @type int    $lastmodunix Last modified unix timestamp.
 703       *     @type mixed  $lastmod     Last modified month (3 letter) and day (without leading 0).
 704       *     @type int    $time        Last modified time.
 705       *     @type string $type        Type of resource. 'f' for file, 'd' for directory.
 706       *     @type mixed  $files       If a directory and `$recursive` is true, contains another array of files.
 707       * }
 708       */
 709  	public function dirlist( $path = '.', $include_hidden = true, $recursive = false ) {
 710          if ( $this->is_file( $path ) ) {
 711              $limit_file = basename( $path );
 712              $path       = dirname( $path ) . '/';
 713          } else {
 714              $limit_file = false;
 715          }
 716  
 717          $pwd = ftp_pwd( $this->link );
 718  
 719          if ( ! @ftp_chdir( $this->link, $path ) ) { // Can't change to folder = folder doesn't exist.
 720              return false;
 721          }
 722  
 723          $list = ftp_rawlist( $this->link, '-a', false );
 724  
 725          @ftp_chdir( $this->link, $pwd );
 726  
 727          if ( empty( $list ) ) { // Empty array = non-existent folder (real folder will show . at least).
 728              return false;
 729          }
 730  
 731          $dirlist = array();
 732  
 733          foreach ( $list as $k => $v ) {
 734              $entry = $this->parselisting( $v );
 735  
 736              if ( empty( $entry ) ) {
 737                  continue;
 738              }
 739  
 740              if ( '.' === $entry['name'] || '..' === $entry['name'] ) {
 741                  continue;
 742              }
 743  
 744              if ( ! $include_hidden && '.' === $entry['name'][0] ) {
 745                  continue;
 746              }
 747  
 748              if ( $limit_file && $entry['name'] !== $limit_file ) {
 749                  continue;
 750              }
 751  
 752              $dirlist[ $entry['name'] ] = $entry;
 753          }
 754  
 755          $ret = array();
 756  
 757          foreach ( (array) $dirlist as $struc ) {
 758              if ( 'd' === $struc['type'] ) {
 759                  if ( $recursive ) {
 760                      $struc['files'] = $this->dirlist( $path . '/' . $struc['name'], $include_hidden, $recursive );
 761                  } else {
 762                      $struc['files'] = array();
 763                  }
 764              }
 765  
 766              $ret[ $struc['name'] ] = $struc;
 767          }
 768  
 769          return $ret;
 770      }
 771  
 772      /**
 773       * Destructor.
 774       *
 775       * @since 2.5.0
 776       */
 777  	public function __destruct() {
 778          if ( $this->link ) {
 779              ftp_close( $this->link );
 780          }
 781      }
 782  }