public static function handle_booking_unauthorized_exception(Exception $e)
{
if ($e instanceof booking_unauthorized_exception) {
$message = htmlentities('HTTP/1.0 401 Unauthorized to ' . $e->get_operation(), null, self::encoding());
$exception_message = $e->getMessage();
if (!empty($exception_message)) {
$message .= ' - ' . htmlentities($exception_message, null, self::encoding());
}
header($message);
echo "<html><head><title>{$message}</title></head><body><strong>{$message}</strong></body></html>";
} else {
if (self::$old_exception_handler) {
call_user_func(self::$old_exception_handler, $e);
}
}
}
