Chrome extension to automatically set the credentials.

#selenium-chrome-authentication-extension

To build the extension, update the username/password and zip `background.js` and `manifest.json` in a single archive.

Ensure you put the credentials for the corect host.

Without retry will try to login again and again.

background.js

var host = "my-host.com";
var username = "my-username";
var password = "my-password";
var retry = 3;

chrome.webRequest.onAuthRequired.addListener(
  function handler(details) {    
    if ('challenger' in details && 'host' in details['challenger'] && details['challenger']['host'].includes(host)) {
        if (--retry < 0) return { cancel: true };
        return { authCredentials: { username: username, password: password } };
    }
  },
  {urls: ["<all_urls>"]},
  ['blocking']
);

manifest.json

{
  "manifest_version": 2,
  "name": "Authentication for ...",
  "version": "1.0.0",
  "permissions": ["<all_urls>", "webRequest", "webRequestBlocking"],
  "background": {
    "scripts": ["background.js"]
  }
}