<?php

if ( ! defined( 'ABSPATH' ) )

	die();

function wp_fileman_remove_directory($directory)	## Remove a directory recursively

{

 $list_sub = array();

 $list_files = array();

 if (!($open = @opendir($directory)))

  return FALSE;

 while(($index = @readdir($open)) != FALSE)

 {

  if (is_dir($directory.$index) && $index != "." && $index != "..")

   $list_sub[] = $index."/";

  else if (is_file($directory.$index))

   $list_files[] = $index;

 }

 closedir($open);

 foreach($list_files as $file)

  if (!@unlink($directory.$file))

   return FALSE;

 foreach($list_sub as $sub)

 {

  wp_fileman_remove_directory($directory.$sub);

  if (!@rmdir($directory.$sub))

   return FALSE;

 }

 return TRUE;

}

function wp_fileman_get_icon($filename)	## Get the icon from the filename

{

 global $IconArray;

 @reset($IconArray);

 $extension = strtolower(substr(strrchr($filename, "."),1));

 if ($extension == "")

  return "unknown.gif";

 while (list($icon, $types) = each($IconArray))

  foreach (explode(" ", $types) as $type)

   if ($extension == $type)

    return $icon;

 return "unknown.gif";

}

function wp_fileman_compare_filedata ($a, $b)	## Compare filedata (used to sort)

{

 if (is_int($a[$_GET['sortby']]) && is_int($b[$_GET['sortby']]))

 {

  if ($a[$_GET['sortby']]==$b[$_GET['sortby']]) return 0;

  if ($_GET['order'] == "asc")

  {

   if ($a[$_GET['sortby']] > $b[$_GET['sortby']]) return 1;

   else return -1;

  }

  else if ($_GET['order'] == "desc")

  {

   if ($a[$_GET['sortby']] < $b[$_GET['sortby']]) return 1;

   else return -1;

  }

 }

 else if (is_string($a[$_GET['sortby']]) && is_string($b[$_GET['sortby']]) && $_GET['order'] == "asc")

  return strcmp($a[$_GET['sortby']], $b[$_GET['sortby']]);

 else if (is_string($a[$_GET['sortby']]) && is_string($b[$_GET['sortby']]) && $_GET['order'] == "desc")

  return -strcmp($a[$_GET['sortby']], $b[$_GET['sortby']]);

}

function wp_fileman_get_opposite_order($input, $order)	## Get opposite order

{

 if ($_GET['sortby'] == $input)

 {

  if ($order == "asc")

   return "desc";

  else if ($order == "desc")

   return "asc";

 }

 else

  return "asc";

}

function wp_fileman_is_editable_file($filename)	## Checks whether a file is editable

{

 global $EditableFiles;

 $extension = strtolower(substr(strrchr($filename, "."),1));

 foreach(explode(",", $EditableFiles) as $type)

  if ($extension == $type)

   return TRUE;

 return FALSE;

}

function wp_fileman_is_viewable_file($filename)	## Checks whether a file is viewable

{

 global $ViewableFiles;

 $extension = strtolower(substr(strrchr($filename, "."),1));

 foreach(explode(",", $ViewableFiles) as $type)

  if ($extension == $type)

   return TRUE;

 return FALSE;

}

function wp_fileman_is_valid_name($input)	## Checks whether the directory- or filename is valid

{

 if (strstr($input, "\\"))

  return FALSE;

 else if (strstr($input, "/"))

  return FALSE;

 else if (strstr($input, ":"))

  return FALSE;

 else if (strstr($input, "?"))

  return FALSE;

 else if (strstr($input, "*"))

  return FALSE;

 else if (strstr($input, "\""))

  return FALSE;

 else if (strstr($input, "<"))

  return FALSE;

 else if (strstr($input, ">"))

  return FALSE;

 else if (strstr($input, "|"))

  return FALSE;

 else

  return TRUE;

}

function wp_fileman_get_better_filesize($filesize)	## Converts filesize to KB/MB/GB/TB

{

 $kilobyte = 1024;

 $megabyte = 1048576;

 $gigabyte = 1073741824;

 $terabyte = 1099511627776;

 if ($filesize >= $terabyte)

  return number_format($filesize/$terabyte, 2, ',', '.')." TB";

 else if ($filesize >= $gigabyte)

  return number_format($filesize/$gigabyte, 2, ',', '.')." GB";

 else if ($filesize >= $megabyte)

  return number_format($filesize/$megabyte, 2, ',', '.')." MB";

 else if ($filesize >= $kilobyte)

  return number_format($filesize/$kilobyte, 2, ',', '.')." KB";

 else

  return number_format($filesize, 0, ',', '.')." B";

}

function wp_fileman_get_current_zoom_level($current_zoom_level, $zoom)	## Get current zoom level

{

 global $ZoomArray;

 @reset($ZoomArray);

 while(list($number, $zoom_level) = each($ZoomArray))

  if ($zoom_level == $current_zoom_level)

   if (($number+$zoom) < 0) return $number;

   else if (($number+$zoom) >= count($ZoomArray)) return $number;

   else return $number+$zoom;

}

function wp_fileman_validate_path($wp_fileman_path)	## Validate path

{

 global $StrAccessDenied;

 if (stristr($wp_fileman_path, "../") || stristr($wp_fileman_path, "..\\"))

  return TRUE;

 else

  return stripslashes($wp_fileman_path);

}

function wp_fileman_authenticate_user()	## Authenticate user using cookies

{

 global $username, $password;

 if (isset($_COOKIE['cookie_username']) && $_COOKIE['cookie_username'] == $username && isset($_COOKIE['cookie_password']) && $_COOKIE['cookie_password'] == md5($password))

  return TRUE;

 else

  return FALSE;

}

function wp_fileman_is_hidden_file($wp_fileman_path)	## Checks whether the file is hidden.

{

 global $hide_file_extension, $hide_file_string, $hide_directory_string;

 $extension = strtolower(substr(strrchr($wp_fileman_path, "."),1));

 if (is_array($hide_file_extension))

 {

 foreach ($hide_file_extension as $hidden_extension)

  {

  if ($hidden_extension == $extension)

  {

   return TRUE;

  }

  }

 }

 if (is_array($hide_file_string))  

 {

  foreach ($hide_file_string as $hidden_string)

  {

   if ($hidden_string != "" && stristr(basename($wp_fileman_path), $hidden_string))

   {

   return TRUE;

}

}

}

 return FALSE;

}

function wp_fileman_is_hidden_directory($wp_fileman_path)	## Checks whether the directory is hidden.

{

 global $hide_directory_string;

 if (is_array($hide_directory_string))

 foreach ($hide_directory_string as $hidden_string)

  if ($hidden_string != "" && stristr($wp_fileman_path, $hidden_string))

   return TRUE;

 return FALSE;

}

function wp_fileman_get_mimetype($filename)	## Get MIME-type for file

{

 global $MIMEtypes;

 @reset($MIMEtypes);

 $extension = strtolower(substr(strrchr($filename, "."),1));

 if ($extension == "")

  return "Unknown/Unknown";

 while (list($mimetype, $file_extensions) = each($MIMEtypes))

  foreach (explode(" ", $file_extensions) as $file_extension)

   if ($extension == $file_extension)

    return $mimetype;

 return "Unknown/Unknown";

}

function wp_fileman_get_linked_path($wp_fileman_path,$base_url)	## Get path with links to each folder

{

 $string = "<a href='$base_url'>.</a> / ";

 $array = explode("/",htmlentities($wp_fileman_path));

 unset($array[count($array)-1]);

 foreach ($array as $entry)

 {

  @$temppath .= $entry."/";

  $string .= "<a href='$base_url&amp;path=".htmlentities(rawurlencode($temppath))."'>$entry</a> / ";

 }

 return $string;

}

?>