let website = format!("{}://{}/", data.base_proto, data.base_domain);
    let website_redirect = format!("{}{}", website, "mastodon-redirect.html");
    let location = format!("https://{}/oauth/authorize?client_id={}&scope=read:accounts&redirect_uri={}&response_type=code", domain, client_id, website_redirect);

        .append_header((header::LOCATION, "index.html"))

        .append_header((header::LOCATION, location))