download.php

<?php
//Download and hit counter script.
//@Author: Aaron Ogle

$file = $_GET['f'];
if(ini_get('zlib.output_compression'))
ini_set('zlib.output_compression', 'off');

// Prevent downloading any file
$file = str_replace(array("/", ".."), "", $file);

//set allowable extensions
$ext_filter = array("jar");

//get file extension
$file_extension = strtolower(substr(strrchr($file,"."),1));

if (!in_array($file_extension, $ext_filter)) {
exit('File Type Invalid');
} else if (!file_exists($file)) {
exit('File Does Not Exist');
}

//Set count +1
$count = @file_get_contents("count.txt");
$count++;
@file_put_contents('count.txt', $count);
@file_put_contents('hosts.html', gethostbyaddr($_SERVER['REMOTE_ADDR']) . '<br />', FILE_APPEND);


//do download
header("Pragma: public");
header("Expires: 0");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Cache-Control: private",false);
header("Content-type: application/force-download");
header("Content-Disposition: attachment; filename=\"".basename($file)."\";" );
header("Content-Transfer-Encoding: binary");
header("Content-Length: ".filesize($file));
readfile("$file");
exit();
?>

Not reliable, file doesn't always download. Probably easier to just parse the log file.