Tiny File Manager

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<?php
/***************************************************************
*  Copyright notice
*
*  (c) 2003-2004 Tobias Bender (tobias@phpXplorer.org)
*  All rights reserved
*
*  This script is part of the phpXplorer project. The phpXplorer project is
*  free software; you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation; either version 2 of the License, or
*  (at your option) any later version.
*
*  The GNU General Public License can be found at
*  http://www.gnu.org/copyleft/gpl.html.
*  A copy is found in the textfile GPL.txt distributed with these scripts.
*
*  This script is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  This copyright notice MUST APPEAR in all copies of the script!
***************************************************************/

function pxp_unlink($filename, $trash = true){
	if($trash and strpos($filename, "trash.pxtf") === FALSE)
		addToTrash($filename);
		
	return unlink($filename);
}

function pxp_rmdir($dirname, $trash = true){
	if($trash and strpos($dirname, "trash.pxtf") === FALSE)
		addToTrash($dirname);

return rmdir($dirname);
}

$trash_index_handle = null;
$trash_id = null;

fwrite($trash_index_handle, $trash_id . " ". date("d.m.y-H:i:s") . " " . $file . "\r\n");
		
		if(is_dir($file)){
			copyRecursive($file, $PXP_user_folder . "/" . $PXP_user . "/trash.pxtf/");
			rename($PXP_user_folder . "/" . $PXP_user . "/trash.pxtf/" . basename($file), $PXP_user_folder . "/" . $PXP_user . "/trash.pxtf/" . $trash_id . ".pxt");
		}else{
			copy($file, $PXP_user_folder . "/" . $PXP_user . "/trash.pxtf/" . $trash_id . ".pxt");
		}
			
		$trash_id ++;
		
		$handle = fopen($PXP_user_folder . "/" . $PXP_user . "/trash.pxtf/id.txt", "w");
		fwrite($handle, $trash_id);
		fclose($handle);
	}
}

function rmdirRecursive($dir, $trash = true){

if($trash and strpos($dir, "trash.pxtf") === FALSE)
		addToTrash($dir);

if(dirname($dir) == "system" or dirname($dir) == "phpXplorer")
		die("Pass blos auf du Hornochse!!!!!!!!!!!!!!!!!!");

$current_dir = opendir($dir);
  while($entryname = readdir($current_dir)){
     if(is_dir("$dir/$entryname") and ($entryname != "." and $entryname != "..")){
       rmdirRecursive("${dir}/${entryname}", false);
     }elseif($entryname != "." and $entryname != ".."){
       pxp_unlink("${dir}/${entryname}", false);
     }
  }
  closedir($current_dir);
  pxp_rmdir("${dir}", false);
}

function copyRecursive($source, $dest){
	GLOBAL $PXP_languages, $PXP_language;

$newDest = "$dest/" . basename($source);
	
	$nr = 1;
	while(file_exists($newDest)){
		$newDest = "$dest/" . $PXP_languages[$PXP_language]["copy"] . $nr . " " . $PXP_languages[$PXP_language]["of"] . " " . basename($source);
		$nr++;
	}
	
	if(is_dir($source)){
		mkdir($newDest, 0755);
  	$current_dir = opendir($source);
  	while($entryname = readdir($current_dir)){
  		if($entryname != "." and $entryname != "..")
				copyRecursive("$source/$entryname", "$newDest");
		}
		closedir($current_dir);
	}else{
		copy($source, $newDest);
	}
}

function getPermissions($in_Perms){
  
	$sP = "";
	
	if(($in_Perms & 0xC000) === 0xC000)      // Unix domain socket
   $sP = "s";
  elseif(($in_Perms & 0x4000) === 0x4000)  // Directory
   $sP = "d";
  elseif(($in_Perms & 0xA000) === 0xA000)  // Symbolic link
   $sP = "l";
  elseif(($in_Perms & 0x8000) === 0x8000)  // Regular file
   $sP = "-";
  elseif(($in_Perms & 0x6000) === 0x6000)  // Block special file
   $sP = "b";
  elseif(($in_Perms & 0x2000) === 0x2000)  // Character special file
   $sP = "c";
  elseif(($in_Perms & 0x1000) === 0x1000)  // Named pipe
   $sP = "p";
  else                                  // Unknown
   $sP = "?";

// owner
   $sP .= (($in_Perms & 0x0100) ? 'r' : '&minus;') . (($in_Perms & 0x0080) ? 'w' : '&minus;') . (($in_Perms & 0x0040) ? (($in_Perms & 0x0800) ? 's' : 'x' ) : (($in_Perms & 0x0800) ? 'S' : '&minus;')); 
   // group
   $sP .= (($in_Perms & 0x0020) ? 'r' : '&minus;') . (($in_Perms & 0x0010) ? 'w' : '&minus;') . (($in_Perms & 0x0008) ? (($in_Perms & 0x0400) ? 's' : 'x' ) : (($in_Perms & 0x0400) ? 'S' : '&minus;')); 
   // world
   $sP .= (($in_Perms & 0x0004) ? 'r' : '&minus;') . (($in_Perms & 0x0002) ? 'w' : '&minus;') . (($in_Perms & 0x0001) ? (($in_Perms & 0x0200) ? 't' : 'x' ) : (($in_Perms & 0x0200) ? 'T' : '&minus;')); 
   return $sP;
}

function getUnixUserName($file){
	if(function_exists('posix_getpwuid')){
		$arr = @posix_getpwuid(fileowner($file));
		return $arr['name'];
	}else{
		return "";
	}
}

function getUnixGroupName($file){
	if(function_exists('posix_getpwuid')){
		$arr = @posix_getgrgid(filegroup($file));
		return $arr['name'];
	}else{
		return "";
	}
}