scripts/image.php

<?php

/* The List powered by Creative Commons

   Copyright (C) 2014, 2015 Creative Commons Corporation
   based on:
   
   GNU FM -- a free network service for sharing your music listening habits
   GNU Archie Framework -- a web application framework derived from GNU FM
   
   Copyright (C) 2009, 2015 Free Software Foundation, Inc
   
   This program is free software: you can redistribute it and/or modify
   it under the terms of either the GNU Affero General Public License or
   the GNU General Public License as published by the
   Free Software Foundation, either version 3 of the Licenses, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU Affero General Public License for more details.

   You should have received a copy of the GNU General Public License and
   the GNU Affero General Public License along with this program.  
   
   If not, see <http://www.gnu.org/licenses/>.
*/

$size = $_GET['foo'] . "/";

$img = $_GET['img'];

$path = $size . $img;

if (file_exists($path)) {
   header("Content-type: image/jpeg");
   readfile($path);
   }
else {
   header("Location: https://thelist.creativecommons.org/app/shark.png;");
   http_response_code(404);
}
?>
