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<?php
set_include_path(get_include_path() . PATH_SEPARATOR .
dirname(__FILE__) . PATH_SEPARATOR .
dirname(dirname(__FILE__)) . PATH_SEPARATOR .
dirname(dirname(__FILE__)) . "/include" );
require_once "config.php";
chdir('..');
$filename = CACHE_DIR . '/images/' . sha1($_GET['url']) . '.png';
if (file_exists($filename)) {
header("Content-type: image/png");
echo file_get_contents($filename);
} else {
header("Location: " . $_GET['url']);
}
?>
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