<?php

$fileid = $_GET['fid'];
$name = $_GET['fn'];
 $auth_code = $_GET['dlauth'];
$folder = $_GET['fi'];
echo $file = $folder."/".$name;

if (empty($fileid) || empty($name) || empty($auth_code) || empty($folder)) {

    echo "Malformed ID, please go back and try to download again";

    } else {

        if (strlen($auth_code) > 25) {

            echo "Download session has expired or is malforned";

            }  else {


             header ("Content-type: image/png");
header ("Content-disposition: attachment; filename=".$name.";");
header("Content-Length: ".filesize($file));
readfile($file);
exit;





                }



        }

?>