Tampermonkey Keycloak Auto-Login

keycloak-auto-login.user.js

// ==UserScript==
// @name         Keycloak Auto-Login
// @namespace    http://tampermonkey.net/
// @include      /^https:\/\/.*\/auth\/realms\/.*\/(saml|auth)\?/
// @version      1.0
// @author       Warren Seine
// @description  Auto-login on Keycloak
// @icon         https://upload.wikimedia.org/wikipedia/commons/2/29/Keycloak_Logo.png
// ==/UserScript==

// Just add your email as a LocalStorage "kc-username" entry on the Keycloak domain.

(function() {
  'use strict';
  const button = document.getElementById("kc-login");
  const email = localStorage.getItem("kc-username")
  if (button && email) {
    const username = document.getElementById("username");
    username.value = email;
    const rememberMe = document.getElementById("rememberMe");
    rememberMe.check = true;
    button.click()
  }
})();