automatic_insert_totp_code

10/19/2021, 3:22:51 PM

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name        automatic_insert_totp_code
// @namespace   Violentmonkey Scripts
// @match       https://access.ynu.edu.cn/shterm/login?tokenRequest
// @grant       none
// @version     0.2.2
// @author      liudonghua123
// @license     MIT
// @description 10/19/2021, 3:22:51 PM
// ==/UserScript==

// https://stackoverflow.com/questions/5132488/how-can-i-insert-a-script-into-html-head-dynamically-using-javascript

const dynamicAddScript = (url) => {
    return new Promise(function(resolve, reject){
      const script = document.createElement('script');
      script.onload = resolve;
      script.onerror = reject;
      script.src = url;
      document.head.appendChild(script);
    });
}

function sleep(time){
   return new Promise(function(resolve){
     setTimeout(resolve, time);
   });
}

// https://github.com/yeojz/otplib
//dynamicAddScript('https://unpkg.com/@otplib/preset-browser@^12.0.0/buffer.js');
//dynamicAddScript('https://unpkg.com/@otplib/preset-browser@^12.0.0/index.js');
//window.otplib.totp.generate('EXGVVAJJ4SI2AEEX')
//
// https://github.com/LanceGin/jsotp
// no browser support ?

// const totp_secret = 'REPLACE_YOUR_TOTP_SECRET_HERE'
// Execute the following js code to config the totp secret
// localStorage.secret = 'REPLACE_YOUR_TOTP_SECRET_HERE'

(async function process(secret) {
  // https://github.com/hectorm/otpauth
  // 
  // ERR_CONNECTION_RESET
  // await dynamicAddScript('https://cdn.jsdelivr.net/npm/otpauth/dist/otpauth.umd.min.js');
  // 
  // https://unpkg.com/
  // You may also use a semver range or a tag instead of a fixed version number, or omit the version/tag entirely to use the latest tag.
  // await dynamicAddScript('https://unpkg.com/otpauth/dist/otpauth.umd.min.js');
  await dynamicAddScript('https://cdnjs.cloudflare.com/ajax/libs/otpauth/9.2.1/otpauth.umd.min.js');
  // await sleep(1000);
  const totp = new OTPAuth.TOTP({
      // issuer: 'access.ynu.edu.cn',
      // label: 'access.ynu.edu.cn',
      // algorithm: 'SHA1',
      // digits: 6,
      // period: 30,
      secret, // or "OTPAuth.Secret.fromBase32('NB2W45DFOIZA')"
  });
  // Generate a token.
  let token = totp.generate();
  console.info(`totp.generate code ${token}`);
  document.querySelector('#loginDiv > div > section.login_dynamic_code_wrap > form > div.form-group.form-control.dynamic_code > input[type=password]').value = token;
})(localStorage.secret);