A user script to automatically log you on to Entra if you have mutliple identities

entra-auto-login.user.js

// ==UserScript==
// @name         GitHub to Entra Auto-Clicker
// @namespace    http://tampermonkey.net/
// @version      0.4
// @description  Handle multiple EntraID accounts on the Entra SSO Page when logging in to Github Orgs
// @author       Keiran Smith
// @match        https://login.microsoftonline.com/*
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_registerMenuCommand
// @downloadURL  https://gist.github.com/affix/ed615d1aacf01cf84ebe09b018089419/raw/738d6d72fa9cd0b3f8298c9ee7f4f324a14d5026/entra-auto-login.user.js
// @updateURL    https://gist.github.com/affix/ed615d1aacf01cf84ebe09b018089419/raw/738d6d72fa9cd0b3f8298c9ee7f4f324a14d5026/entra-auto-login.user.js
// ==/UserScript==

(function() {
    'use strict';

    const DEFAULT_EMAIL = 'you@somesite.com';

    // Get email from settings or use default
    function getTargetEmail() {
        return GM_getValue('TARGET_EMAIL', DEFAULT_EMAIL);
    }

    // Set email in settings
    function setTargetEmail(email) {
        GM_setValue('TARGET_EMAIL', email);
    }

    // Register menu command to change email
    GM_registerMenuCommand('Set Target Email', () => {
        const currentEmail = getTargetEmail();
        const newEmail = prompt('Enter the email address to auto-click:', currentEmail);

        if (newEmail && newEmail.trim()) {
            setTargetEmail(newEmail.trim());
            alert(`Target email set to: ${newEmail.trim()}`);
        }
    });

    // Only run if redirected from GitHub
    if (!document.referrer.includes('github.com')) {
        return;
    }

    console.log('GitHub redirect detected, attempting auto-login');

    function clickAccountTile(email) {
        const containers = Array.from(document.getElementsByClassName('tile-container'));
        const targetContainer = containers.find(el => el.textContent.includes(email));

        if (targetContainer) {
            const clickableButton = targetContainer.querySelector('[role="button"][tabindex="0"]');

            if (clickableButton) {
                console.log('Clicking account tile for:', email);
                clickableButton.click();
                return true;
            }
        }
        return false;
    }

    // Observe for dynamic content
    const observer = new MutationObserver(() => {
        if (clickAccountTile(getTargetEmail())) {
            console.log('Successfully clicked account tile');
            observer.disconnect();
        }
    });

    observer.observe(document.body, {
        childList: true,
        subtree: true
    });

    // Cleanup after 10 seconds
    setTimeout(() => observer.disconnect(), 10000);
})();