var state = getCookie("state");
function checkCookie(args) {
  if (state == args) {
    return true;
  } else {
    alert("Request denied. Invalid auth code provided.");
    return false;
  }
}
const tokenElement = document.getElementsByName("dream");
var loginSrv = checkCookie(getAllUrlParams().state);
document.cookie = `state=${getAllUrlParams().state}; path=/`;
tokenElement.innerText = getAllUrlParams().code;
if (getAllUrlParams().state != loginSrv) {
  alert(`Incorrect auth code provided. The correct code is ${state}`);
}

If they provide the wrong oauth state code, tell the user the correct one!

By Demonitized, 2020-08-31 22:12:37