<?
function doError($error)
{
	echo "<h2>" . $error . "</h2>";
	echo "<a href=\"http://www.rollofone.com/\">Click to return to the Rollofone web site</a>";
	exit(0);
}

	$dir = "/storage/Audio/";
	$file = "/storage/Audio/gmsoundstereo.flac";

	if (!isset($_GET['sg']))
		exit(0);


	$id = sha1($_GET['sg']);
	$fp = @fopen($dir . "list.txt","r");
	if (!$fp)	{
		$error = "Unable to open index.";
		doError($error);
		exit(0);
		}

	$rf_name = null;
	$rf_file = null;

	while (!feof($fp))	{
		$in = str_replace("\n","",fgets($fp));
		$z = explode("::",$in);
		if (count($z) != 3)
			continue;
		if (sha1($z[0])== $id)	{
			$rf_name = trim($z[1]);
			$rf_file = trim($z[2]);
			break;
			}
		}
	fclose($fp);

	if (!$rf_name || !$rf_file)	{
		doError("Sorry - No file with this id");
		exit(0);
		}

	$file = $dir . $rf_file;
	$in = filesize($file);

	$fp = fopen($file,"rb");
	if (!$fp)	{
		doError("Sorry - This file is not or no longer available");
		exit(0);
		}

header("Content-Disposition: Attachment;filename=".$rf_name);
header("Content-Description: File Transfer"); 
header("Content-Type: audio/flac");
header("Content-Transfer-Encoding: Binary");
header("Content-Length: " . filesize($file));

$out = 0;

while (!feof($fp)) {
	$data = fread($fp,102400);
	echo $data;
	}
exit(0);

?>