site/dl.php

   1 <?php
   2
   3 //Generic binary file downloading (when file exists)
   4
   5 $filename = r('f/'.$_GET['f']);
   6
   7 if (file_exists($filename)) {
   8     header('Content-Description: File Transfer');
   9     header('Content-Type: application/octet-stream');
  10     header('Content-Disposition: attachment; filename='.basename($filename));
  11     header('Expires: 0');
  12     header('Cache-Control: must-revalidate');
  13     header('Pragma: public');
  14     header('Content-Length: ' . filesize($filename));
  15     ob_end_flush();
  16     readfile($filename);
  17     exit;
  18 }
  19
  20 else header('Location: '.r('404'));