Apache directory listing++

<?php 
$dir='';//Leeg laten voor de deze directory te scannen 
$n_ext=array('');// extensies voorbeeld: array('html','php') voor directories schrijf je als extensie dir 
$n_file=array('.htaccess', '.htpasswd',"apache.html");// bestanden of mappen die niet mogen getoont worden 
$m_up_name = "Parent Directory"; //Naam van de Link om een Map omhoog te gaan
//------------------------------------ 
//iconnen die gebruikt worden 
//------------------------------------ 
 

//Compressed 
$icons['zip']='compressed'; 
$icons['rar']='compressed'; 
$icons['z']='compressed'; 
$icons['tgz']='compressed'; 
$icons['gz']='compressed'; 
$icons['tar']='compressed'; 

//Binary 

$icons['bin']='binary'; 
$icons['exe']='binary'; 
$icons['hqx']='binhex'; 

//andere bestanden (volgens apache bestaad dat ook :D) 

$icons['wrl']='world2'; 
$icons['vrml']='world2'; 
$icons['vrm']='world2'; 
$icons['iv']='world2'; 
$icons['ps']='a'; 
$icons['ai']='a'; 
$icons['eps']='a'; 
$icons['c']='c'; 
$icons['pl']='p'; 
$icons['py']='p'; 
$icons['f']='for'; 
$icons['dvi']='dvi'; 
$icons['uu']='uuencoded'; 
$icons['core']='bomb'; 


//Sites 

$icons['html']='layout'; 
$icons['shtml']='layout'; 
$icons['htm']='layout'; 
$icons['pdf']='layout'; 

//Text 

$icons['txt']='text'; 

//Scripts 

$icons['php']='script'; 
$icons['conf']='script'; 
$icons['sh']='script'; 
$icons['shar']='script'; 
$icons['csh']='script'; 
$icons['ksh']='script'; 
$icons['tcl']='script'; 

//Directories en vorige directory 

$icons['..']='back'; 
$icons['']='folder'; 
$icons['dir']='folder';
$icons['opendir']='folder.open';

//Zelf toegevoegde icononen die ook in apache zitten maar niet gebruikt worden 

//foto's 

$icons['gif']='image2'; 
$icons['jpg']='image2'; 
$icons['png']='image2'; 
$icons['bmp']='image2'; 
$icons['pntg']='image2'; 
$icons['pnt']='image2'; 
$icons['mac']='image2'; 
$icons['pict']='image2'; 
$icons['pic']='image2'; 
$icons['pct']='image2'; 
$icons['qtif']='image2'; 
$icons['qti']='image2'; 
$icons['sgi']='image2'; 
$icons['rgb']='image2'; 
$icons['targa']='image2'; 
$icons['tga']='image2'; 
$icons['tif']='image2'; 
$icons['tiff']='image2'; 
$icons['psd']='image2'; 

//Films 

$icons['mpg']='movie'; 
$icons['mpeg']='movie'; 
$icons['mov']='movie'; 
$icons['qt']='movie'; 
$icons['wmv']='movie'; 
$icons['avi']='movie'; 
$icons['flc']='movie'; 
$icons['fli']='movie'; 
$icons['m1s']='movie'; 
$icons['m1v']='movie'; 
$icons['m1a']='movie'; 
$icons['m75']='movie'; 
$icons['m15']='movie'; 
$icons['mp2']='movie'; 
$icons['mpm']='movie'; 
$icons['mpv']='movie'; 
$icons['mpa']='movie'; 
$icons['3gp']='movie'; 
$icons['3gpp']='movie'; 
$icons['3g2']='movie'; 
$icons['3gp2']='movie'; 
$icons['mp4']='movie'; 
$icons['mpg4']='movie'; 
$icons['sdv']='movie'; 
$icons['amc']='movie'; 
$icons['m4v']='movie'; 
$icons['swf']='movie'; 
$icons['dv']='movie'; 
$icons['dif']='movie'; 


//Geluids bestanden 

$icons['wav']='sound1'; 
$icons['bwf']='sound1'; 
$icons['midi']='sound1'; 

//Muziek 

$icons['mp3']='sound2'; 
$icons['wma']='sound2'; 
$icons['au']='sound2'; 
$icons['aiff']='sound2'; 
$icons['au']='sound2'; 
$icons['snd']='sound2'; 
$icons['ulw']='sound2'; 
$icons['qcp']='sound2'; 
$icons['sd2']='sound2'; 
$icons['amr']='sound2'; 
$icons['gsm']='sound2'; 
$icons['aiff']='sound2'; 
$icons['m4a']='sound2'; 
$icons['m4p']='sound2'; 
$icons['m4b']='sound2'; 
$icons['swa']='sound2'; 
$icons['m4b']='sound2'; 

//------------------------------------ 
//Functie voor te kijken of het bestand toegelaten is 
//------------------------------------ 
function check_allow($file){ 
    global $n_ext, $n_file, $icons; 
     
    for($a=0;$a<count($n_ext);$a++){ 
        $ext=explode('.',$file); 
        $ext_check=count($ext); 
        $ext=$ext[count($ext)-1]; 
        if(is_file($file)){ 
            $img=$icons[strtolower($ext)]; 
        } 
        else{ 
            $img=''; 
        } 
        if($img==''){ 
            $ext='dir'; 
        } 
        if($ext==$n_ext[$a]){ 
            $allow=1; 
        } 
    } 

    for($a=0;$a<count($n_file);$a++){ 
        if($file==$n_file[$a]){ 
            $allow=1; 
        }
    } 
    if(isset($allow)){ 
        return FALSE; 
    } 
    else{ 
        return TRUE; 
    } 
} 
//------------------------------------ 
//Begin van de pagina 
//------------------------------------ 
echo '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> 
<html> 
<head> 
  <title>Index of '.$dir.'/</title> 
</head> 
<body>'; 
echo '<h1>Index of '.$dir.'/</h1>'."\n".'<pre>'; 
//------------------------------------ 
//Sorteer volgorder en dan opslaan in $sort 
//------------------------------------ 
if(isset($_GET['C'])){ 
    $type=explode(';O=',$_GET['C']); 
    $sort_by=$type[0]; 
    $sort_way=$type[1]; 
    if(($sort_by=='N' || $sort_by=='M' || $sort_by=='S' || $sort_by=='D') && ($sort_way=='A' || $sort_way=='D')){ 
        if($sort_by=='N'){ 
            if($sort_way=='A'){ 
                $n='D'; 
                $m='A'; 
                $s='A'; 
                $d='A'; 
            } 
            else{ 
                $n='A'; 
                $m='A'; 
                $s='A'; 
                $d='A';     
            } 
            $sort=1; 
        } 
        elseif($sort_by=='M'){ 
            if($sort_way=='A'){ 
                $n='A'; 
                $m='D'; 
                $s='A'; 
                $d='A'; 
            } 
            else{ 
                $n='A'; 
                $m='A'; 
                $s='A'; 
                $d='A';     
            } 
            $sort=2; 
        } 
        elseif($sort_by=='S'){ 
            if($sort_way=='A'){ 
                $n='A'; 
                $m='A'; 
                $s='D'; 
                $d='A'; 
            } 
            else{ 
                $n='A'; 
                $m='A'; 
                $s='A'; 
                $d='A';     
            } 
            $sort=3; 
        } 
        elseif($sort_by=='D'){ 
            if($sort_way=='A'){ 
                $n='A'; 
                $m='A'; 
                $s='A'; 
                $d='D'; 
            } 
            else{ 
                $n='A'; 
                $m='A'; 
                $s='A'; 
                $d='A';     
            } 
        } 
    } 
    else{ 
        $n='D'; 
        $m='A'; 
        $s='A'; 
        $d='A'; 
    } 
} 
else{ 
    $n='D'; 
    $m='A'; 
    $s='A'; 
    $d='A'; 
} 
if($_GET['dir']){
echo '<img src="/icons/blank.gif" alt="Icon "> <a href="?dir='.$_GET['dir'].'&C=N;O='.$n.'">Name</a>                    '; 
echo '<a href="?dir='.$_GET['dir'].'&C=M;O='.$m.'">Last modified</a>      '; 
echo '<a href="?dir='.$_GET['dir'].'&C=S;O='.$s.'">Size</a>  '; 
echo '<a href="?dir='.$_GET['dir'].'&C=D;O='.$d.'">Description</a><hr>'; 
}else{
echo '<img src="/icons/blank.gif" alt="Icon "> <a href="?C=N;O='.$n.'">Name</a>                    '; 
echo '<a href="?C=M;O='.$m.'">Last modified</a>      '; 
echo '<a href="?C=S;O='.$s.'">Size</a>  '; 
echo '<a href="?C=D;O='.$d.'">Description</a><hr>'; 

}
//------------------------------------ 
//Directory openen en alles in een array zetten zodat we het nog kunnen sorteren later 
//En controle of het bestand is toegelaten 
//------------------------------------ 

if($_GET['dir']==''){ 
    $open_dir='.'; 
} 
else{ 
    $open_dir=$_GET['dir']; 
} 
$handle=opendir($open_dir); 
$a=0; 
$test_iri=str_replace(basename($_SERVER['PHP_SELF']),'',$_SERVER['REQUEST_URI']); 
$test_iri=explode('?',$test_iri); 
$test_iri=$test_iri[0]; 
while (false!==($file = readdir($handle))) { 
    if($file!='.'){ 
        if($file!='..'){ 
            $ext=explode('.',$file); 
            $ext_check=count($ext); 
            $ext=$ext[count($ext)-1]; 
            if(is_file($file)){ 
                $img=$icons[strtolower($ext)]; 
            } 
            else{ 
                $img=''; 
            } 
            if($img=='' && $ext!='' && $ext_check>=2){ 
                $img='unknown'; 
            } 
            elseif($img==''){ 
                $img=$icons['']; 
                $file=$file.'/'; 
                $ext=''; 
            } 
        } 
        else{ 
            $img=$icons['..']; 
            $ext='dir'; 
            $file=$m_up_name;
        } 
        if($test_iri=='/'){ 
            $test=($file!='..'); 
        } 
        else{ 
            $test=TRUE; 
        } 
        if($test && check_allow($file)){ 
            $files_file[$a]=$file; 
            $files_ext[$a]=$ext; 
            $files_time[$a]=filemtime($file); 
            if($files_ext[$a]==''){ 
                $size='  -'; 
            } 
            else{ 
                $size=round(filesize($files_file[$a])/1024,1).'K'; 
            } 
            $files_size[$a]=$size; 
            $a++; 
        } 
    } 
} 

closedir($handle); 
//------------------------------------ 
//Als de lijst moet gesorteert worden 
//------------------------------------ 
if($sort==1){ 
    if($sort_way=='A'){ 
        array_multisort($files_file, SORT_ASC, $files_ext, SORT_ASC, $files_time, SORT_ASC, $files_size, SORT_ASC); 
    } 
    else{ 
        array_multisort($files_file, SORT_DESC, $files_ext, SORT_DESC, $files_time, SORT_DESC, $files_size, SORT_DESC); 
    } 
} 
elseif($sort==2){ 
    if($sort_way=='A'){ 
        array_multisort($files_time, SORT_ASC, $files_ext, SORT_ASC, $files_file, SORT_ASC, $files_size, SORT_ASC); 
    } 
    else{ 
        array_multisort($files_time, SORT_DESC, $files_ext, SORT_DESC, $files_file, SORT_DESC, $files_size, SORT_DESC); 
    } 
} 
elseif($sort==3){ 
    if($sort_way=='A'){ 
        array_multisort($files_size, SORT_ASC, $files_ext, SORT_ASC, $files_file, SORT_ASC, $files_time, SORT_ASC); 
    } 
    else{ 
        array_multisort($files_size, SORT_DESC, $files_ext, SORT_DESC, $files_file, SORT_DESC, $files_time, SORT_DESC); 
    } 
} 
//------------------------------------ 
//Alles echo'en 
//------------------------------------ 
for($b=0;$b<$a;$b++){ 
        $alt='[DIR]'; 

if($files_file[$b] == $m_up_name){
           echo '<img src="/icons/'.$icons[$files_ext[$b]].'.gif" width="20" height="22" alt="'.$alt.'"> '; 
           $lastone = explode ("/", $_GET['dir']);
           $tmp = count($lastone);
if($lastone[$tmp - 1] == ""){
                       echo '<a href="?dir='.$_GET['dir'].'..">'; 
}else{
                       echo '<a href="?dir='.$_GET['dir'].'/..">'; 
                       }
                       echo '<img border="0" src="/icons/'.$icons['opendir'].'.gif" height="22" alt="'.$alt.'"></a> '; 
 
            echo '<a href="..">'.$files_file[$b].'</a>'; 
            $spaces=24-strlen($files_file[$b]); 
            for($c=0;$c<$spaces;$c++){ 
                echo ' '; 
            } 
            echo date('d\-M\-Y H\:i',$files_time[$b]); 
    echo '  '.$files_size[$b]."\n"; 
}
}
for($b=0;$b<$a;$b++){ 
if($files_file[$b] == $m_up_name){
}else{
if($files_ext[$b]==''){ 
        $alt='[DIR]'; 
//folder.open
            echo '<img border="0" src="/icons/'.$icons[$files_ext[$b]].'.gif" width="20" height="22" alt="'.$alt.'"> '; 
            echo '<a href="?dir='.$_GET['dir'].'/'.$files_file[$b].'">'; 
            echo '<img border="0" src="/icons/'.$icons['opendir'].'.gif" height="22" alt="'.$alt.'"></a> '; 
            echo '<a href="'.$_GET['dir'].'/'.$files_file[$b].'">'.$files_file[$b].'</a>'; 
            $spaces=24-strlen($files_file[$b]); 
            for($c=0;$c<$spaces;$c++){ 
                echo ' '; 
            } 
            echo date('d\-M\-Y H\:i',$files_time[$b]); 
    echo '  '.$files_size[$b]."\n"; 
}
}
}
for($b=0;$b<$a;$b++){ 
if($files_file[$b] == $m_up_name){
}else{
    if($files_ext[$b]==''){ 
        $alt='[DIR]'; 
    } 
    else{ 
        $alt='['.strtoupper($files_ext[$b]).']';
        
        if($icons[$files_ext[$b]]==''){
        $iconuri = "unknown";
        }else{
        $iconuri = $icons[$files_ext[$b]];
        }
        if($files_file[$b] == "index.html"){
        $iconuri = "index";
        }
            echo '    <img border="0" src="/icons/'.$iconuri.'.gif" width="20" height="22" alt="'.$alt.'"> '; 
            echo '<a href="'.$_GET['dir'].'/'.$files_file[$b].'">'.$files_file[$b].'</a>'; 
            $spaces=24-strlen($files_file[$b]); 
            for($c=0;$c<$spaces;$c++){ 
                echo ' '; 
            } 
            echo date('d\-M\-Y H\:i',$files_time[$b]); 
    echo '  '.$files_size[$b]."\n"; 
    } 
}
} 
//------------------------------------ 
//Einde van de pagina 
//------------------------------------ 
echo '</pre><hr><address>'.$_SERVER['SERVER_SIGNATURE'].'</address>'; 
?></body></html>