<?
/*
This file is a random image generator

*/

//This will hopefully prevent loops
if ($handshake) { die("Possible Loop"); }
$handshake = true;

$auth_users = array('', "jonathan", "jackthehammer", "manda");

$image_account = $_GET['user'];
//$image_account='';

if (!in_array($image_account, $auth_users)) { die("Unauthorized User"); }

if($image_account) { $imagelist = $image_account . "-images.txt"; }
else { $imagelist = "images.txt"; }

if (!file_exists($imagelist)) { die("No image list"); }

$image_explode = file($imagelist);

//We need get all the mime file types
$mime = array(
	"bmp" => "image/bmp",
	"gif" => "image/gif",
	"jpg" => "image/jpeg",
	"jpeg" => "image/jpeg",
	"jpe" => "image/jpeg",
	"png" => "image/png"
);

//This is to final the total amount of images in the list
//So we can get a random one later ;)
$image_max = count($image_explode) - 1;

//This is the array entry we are using
$image_using_raw = rand(0,$image_max);

//Let's get the string value of the image we are using
//rtrim'ing so we get rid of all whitespace
$image_using = rtrim($image_explode[$image_using_raw]);
$image_using_size = @filesize($image_using);
if (!$image_using_size) { $image_using_size = 1024; }

//This is so we have the actual filename ya know like moo.jpg
$image_using_name_array  = explode("/", $image_using);
$image_using_name = $image_using_name_array[count($image_using_name_array) - 1];

//Okay now that we have a valid image..

//But first we need to find the appropriate filetype
$type_array = explode(".", $image_using);

//Let's find the last array entry, which would be the file extension
$type_ext = $type_array[count($type_array) - 1];

$file_type = $mime[$type_ext];

//if the file type isn't in our little mime db above
//let's guess it.
if (!$file_type) { $file_type = "image/" . $type_ext; }


header("Content-type: $file_type");
header('Content-Disposition: inline; filename="'.$image_using_name.'"');
header('Content-Length: ' . $image_using_size);
header("Cache-Control: no-cache, must-revalidate, no-store");
//Let's spit out the image!

readfile($image_using);


//we're done
?>