Hi. I need your help here

[J S <phci12@xxxxxxxxx>]

Hi. I came across your contact info at php.zend.com and was hoping you could help me out with this question.
  I recently installed Rubberwall10, a free software that protects from hotlinking and although I managed to installed the software correctly at my site, I came across the fact that when I tried to download an image from the site to my computer, the image came out with 0 kbs.
   
  Someone who also installed the software made a comment on the internet stating he solved the problem adding a trim function to three of the variables in the filescrapper.php file. 
   
  My question to you is, how can I do that. I am not familiar with php, although I have understood some minimal basics. Adding trim function to $ct, $webaddress and $wantedfilename seemed to have solved the problem according to the user who solved the problem but did not specify how he did it. Can you tell me how I can add trim function to the above three variables?. Your help is greatly appreciated. The code is below. Thanks. John
  /***************************************************************************
 *
 *   This program 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.
 *
 ***************************************************************************/
$allowed = 0;
include('config.php');
  if($allowblank > 0) { if($_SERVER['HTTP_REFERER']=="") { $allowed = 1; }}
  $domains = count($alloweddomains);
  for($y=0;$y<$domains+1;$y++) {
 if((stristr($_SERVER['HTTP_REFERER'], $alloweddomains[$y]))) { $allowed = 1;}
}
  if($allowed > 0) {
      $namenumberarray = file($webaddress."fileindex.txt");
      $numberoffiles = count($namenumberarray);
      $filenames = array();
      
      for($x=0;$x<$numberoffiles+1;$x++) {
       $temporary = explode(":",$namenumberarray[$x]);
       $tempname = explode("\n",$temporary[1]);
       $filenames[$temporary[0]] = $tempname[0];
      }
      
      if(!isset($filenames[$_GET['serve']])) { 
       if($logging > 0){
        $status = "ReqNF";
        include('logit.php');
       }
       echo('That number wasnt found!');
       exit;
      }
      
      $wantedfilename = $filenames[$_GET['serve']];
              
              
      $extension = explode(".", $wantedfilename);
      $numberinarray = count($extension);
      
      $lcext = strtolower($extension[$numberinarray-1]);
      
      //BEGIN CONTENT TYPES BLOCK. ADD OR REMOVE FILE TYPES HERE, AS SHOWN //
      //DON'T EDIT THIS UNLESS YOU KNOW WHAT YOU ARE DOING!//
      //MOST COMMON FILE TYPES ARE ALREADY INCLUDED//
      
      switch($lcext) {
       case ($lcext == "swf"): 
        $commonname="flash"; 
        $ct = "Content-type: application/x-shockwave-flash";
       break;
       case ($lcext == "wmv"): 
        $commonname="wmv"; 
        $ct = "Content-type: video/x-ms-wmv";
       break;
       case ($lcext == "mov"): 
        $commonname="quicktime movie"; 
        $ct = "Content-type: video/quicktime";
       break;
       case ($lcext == "avi"): 
        $commonname="avi video"; 
        $ct = "Content-type: video/avi";
       break;
       case ($lcext == "rar"): 
        $commonname="winrar"; 
        $ct = "Content-type: application/octet-stream";
       break;
       case ($lcext == "zip"): 
        $commonname="zip"; 
        $ct = "Content-type: application/octet-stream";
       break;
       case ($lcext == "bmp"): 
        $commonname="bitmap"; 
        $ct = "Content-type: image/bmp";
       break;
       case ($lcext == "gif"): 
        $commonname="gif"; 
        $ct = "Content-type: image/gif";
       break;
       case ($lcext == "jpeg" || $lcext == "jpg" || $lcext == "jpe"): 
        $commonname="jpeg"; 
        $ct = "Content-type: image/jpeg";
       break;
       case ($lcext == "mpeg" || $lcext == "mpg" || $lcext == "mpe"): 
        $commonname="mpeg"; 
        $ct = "Content-type: video/mpeg";
       break;
       case ($lcext == "png"): 
        $commonname="png"; 
        $ct = "Content-type: image/png";
       break;
       
       //END//
       
       default: 
        $commonname="Generic Filetype"; 
        $ct = "Content-type: application/octet-stream";
        
        if($logging > 0){
         $status = "Generic_Filetype";
         include('logit.php');
        }
       
      }
      
      $handle = fopen($webaddress.$wantedfilename, "rb");
      header("Cache-Control: "); //keeps ie happy
      header("Pragma: "); //keeps ie happy
      header($ct); //content type as set above from explode();
      
      if(!stristr($lcext, "swf")){//flash plays, it isnt downloaded as an actual file.
       header("Content-Disposition: attachment; filename=\"".$wantedfilename."\"");
      }
      
      header("Content-Length: ".filesize($path.$wantedfilename));
      
      fpassthru($handle);
      if($logging > 0){
       $status = "Granted";
       include('logit.php');
      }
      exit;
}
  else {
 if($logging > 0){
  $status = "Denied";
  include('logit.php');
 }
 exit;
 //quiet leech kill
}
?>
   
   

       
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