// needs a function O webServe(S uri, SS params) { ... }
// and a function newWebSocket()

switchable int httpPort = 80;
switchable int httpsPort = 443;
transient autoDispose WebSocketHTTPD httpServer;
transient autoDispose WebSocketHTTPD httpsServer;
switchable bool redirectHttpToHttps;

transient new HTTPSpamBlocker1 spamBlocker;

void start_webServers(File keyStore, S passphrase) {
  start_webServers(serveHttps_makeSSLSocketFactory(keyStore, passphrase));
}

void start_webServers(SSLServerSocketFactory sslSocketFactory) ctex {
  if (httpPort != 0) {
    httpServer = new WebSocketHTTPD(httpPort, lambda1 newWebSocket);
    httpServer.enter = lambda0 enter;
    httpServer.serveFunction = func(S uri, SS parms) {
      redirectHttpToHttps && !startsWith(uri, "/.well-known/")
        ? serveRedirect("https://" + serveHttp_domainName()
          + (httpsPort == 443 ? "" : ":" + httpsPort) + uri)
        : webServe(uri, parms)
    };
    httpServer.start();
    print("HTTP server started on port " + httpServer.getPort());
  }
  
  if (httpsPort == 0 || sslSocketFactory == null) ret;
  httpsServer = new WebSocketHTTPD(httpsPort, lambda1 newWebSocket);
  httpsServer.enter = lambda0 enter;
  httpsServer.makeSecure(sslSocketFactory);
  httpsServer.serveFunction = func(S uri, SS parms) { webServe(uri, parms) };
  httpsServer.start();
  print("HTTPS server started on port " + httpsServer.getPort());
}

Began life as a copy of #1027628