// https://stackoverflow.com/questions/2507608/error-input-is-not-proper-utf-8-indicate-encoding-using-phps-simplexml-lo/40552083#40552083
// https://stackoverflow.com/questions/1497885/remove-control-characters-from-php-string/1497928#1497928
module.exports = async (ctx, next) => {
    await next();
    ctx.body = typeof ctx.body !== 'object' ? ctx.body.replace(/[\x00-\x09\x0B\x0C\x0E-\x1F\x7F]/g, '') : ctx.body;
};