Different JavaScript origin for the same web app on each computer causes Error: redirect_uri_mismatch

Question

I have published a WebApp with Google sign in using Google apps script. Every time you log into your google account on another computer to access this web-app, an error will

Answer 1

This may not work, but you can default to 0 using this script at index.html:

<script>
  if(!/-0lu/.test(location.href)){ 
    location.href = location.href.toString().replace(/-\d+lu/,'-0lu');
  }
</script>

Your web-app script.google.com has a sandboxed iframe *[DIGIT]lu-script.googleusercontent.com. We're just trying to change the location of this iframe using regex. If something other than 0lu is present as iframe, We replace it to 0lu