A greesemonkey/tampermonkey/*monkey script to automatically login to github orgs using SSO

github-auto-sso.user.js

// ==UserScript==
// @name        Github Auto SSO
// @namespace   Violentmonkey Scripts
// @match       https://github.com/*
// @grant       none
// @version     2.0.0
// @author      Keiran Smith <opensource@keiran.scot>
// @description Automatically login to mutiple orgs in Github
// ==/UserScript==


(function () {
  'use strict';

  const selectors = [
    '[partial-name*="global-sso-banner"] button',    // fallback, just in case
  ];

  function findTarget() {
    for (const sel of selectors) {
      const el = document.querySelector(sel);
      if (el) return el;
    }
    return null;
  }

  function clickLikeAHuman(el) {
    const rect = el.getBoundingClientRect();
    const x = rect.left + Math.min(10, rect.width / 2);
    const y = rect.top + Math.min(10, rect.height / 2);
    const base = { bubbles: true, cancelable: true, composed: true, view: window, clientX: x, clientY: y };

    el.scrollIntoView({ block: 'center', inline: 'center' });
    if (typeof el.focus === 'function') el.focus({ preventScroll: true });

    try { el.dispatchEvent(new PointerEvent('pointerdown', { ...base, pointerId: 1, isPrimary: true })); } catch {}
    el.dispatchEvent(new MouseEvent('mousedown', base));
    try { el.dispatchEvent(new PointerEvent('pointerup',   { ...base, pointerId: 1, isPrimary: true })); } catch {}
    el.dispatchEvent(new MouseEvent('mouseup', base));
    el.dispatchEvent(new MouseEvent('click', base));
  }

  let done = false;
  function tryClick() {
    if (done) return;
    const el = findTarget();
    if (el && !el.disabled) {
      console.log('[AutoSSO] clicking:', el.tagName, el.textContent.trim());
      clickLikeAHuman(el);
      done = true;

      disconnectAll();
    }
  }

  const observers = [];
  function observe(doc) {
    const obs = new MutationObserver(tryClick);
    obs.observe(doc, { childList: true, subtree: true });
    observers.push(obs);
  }
  function disconnectAll() { observers.forEach(o => o.disconnect()); }

  tryClick();
  observe(document);

  window.addEventListener('pjax:end', () => { done = false; tryClick(); });
  window.addEventListener('turbo:load', () => { done = false; tryClick(); });
  window.addEventListener('turbo:render', () => { done = false; tryClick(); });

  const start = Date.now();
  const interval = setInterval(() => {
    if (done || Date.now() - start > 15000) { clearInterval(interval); return; }
    tryClick();
  }, 400);
})();



(function () {
  'use strict';

  console.log("[AutoSSO] Finding Links");
  const selector = 'a[role="menuitem"][href^="/orgs/"][href*="/sso"]';

    let done = false;
  function clickAll() {
    const links = document.querySelectorAll(selector);
    links.forEach(link => {
      if (!link.dataset._autoClicked) {
        console.log('[AutoSSO] clicking org link:', link.href);
        link.dataset._autoClicked = "true";
        link.click();
        return;
      }
    });
  }

  const observer = new MutationObserver(clickAll);
  observer.observe(document.body, { childList: true, subtree: true });

  clickAll();

  window.addEventListener('pjax:end', clickAll);
  window.addEventListener('turbo:load', clickAll);
  window.addEventListener('turbo:render', clickAll);

  const start = Date.now();
  const interval = setInterval(() => {
    if (done || Date.now() - start > 15000) { clearInterval(interval); return; }
    clickAll();
  }, 400);
})();


var isSSOPage = window.location.href.indexOf("sso") > 0

if(isSSOPage) {
  document.querySelector(".btn-primary").click();
}