save time with logins
// ==UserScript==
// @name 2FA EZ for AWS
// @namespace http://tampermonkey.net/
// @version 0.2
// @description save time with logins
// @author Lazy
// @match https://*.signin.aws.amazon.com/*
// @grant none
// @require https://cdnjs.cloudflare.com/ajax/libs/jsSHA/1.6.2/sha.js
// ==/UserScript==
(function() {
'use strict';
// modify this line to include your own 2FA security keys and your own region
const keys = {'us-east-1.signin.aws.amazon.com':'ABCXYZ'}
const sites = {'signin.aws.amazon.com':['#mfacode', '#submitMfa_button', '#signin_button', '#password']}
const dec2hex = function(s) {
return (s < 15.5 ? "0" : "") + Math.round(s).toString(16);
};
const hex2dec = function(s) {
return parseInt(s, 16);
};
const leftpad = function(s, l, p) {
if(l + 1 >= s.length) {
s = Array(l + 1 - s.length).join(p) + s;
}
return s;
};
const base32tohex = function(base32) {
const base32chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567";
let bits = "";
let hex = "";
for(let i = 0; i < base32.length; i++) {
const val = base32chars.indexOf(base32.charAt(i).toUpperCase());
bits += leftpad(val.toString(2), 5, '0');
}
for(let i = 0; i + 4 <= bits.length; i+=4) {
const chunk = bits.substr(i, 4);
hex = hex + parseInt(chunk, 2).toString(16) ;
}
return hex;
};
const getOTP = function(secret) {
let otp;
try {
const epoch = Math.round(new Date().getTime() / 1000.0);
const time = leftpad(dec2hex(Math.floor(epoch / 30)), 16, "0");
const hmacObj = new jsSHA(time, "HEX");
const hmac = hmacObj.getHMAC(base32tohex(secret), "HEX", "SHA-1", "HEX");
const offset = hex2dec(hmac.substring(hmac.length - 1));
otp = (hex2dec(hmac.substr(offset * 2, 8)) & hex2dec("7fffffff")) + "";
otp = (otp).substr(otp.length - 6, 6);
} catch (error) {
throw error;
}
return otp;
};
if (location.host in keys) {
for (let site of Object.keys(sites)) {
if (location.host.indexOf(site)) {
window.addEventListener('load', () => {
const otp = getOTP(keys[location.host]);
const inputTxt = document.querySelector(sites[site][0]);
if (inputTxt) inputTxt.value = getOTP(keys[location.host]);
let submitBtn;
if (sites[site][2] && (submitBtn = document.querySelector(sites[site][2]))) {
setTimeout(() => {
// if password prefilled then submit immediately
let password;
if (sites[site][3] && (password = document.querySelector(sites[site][3])) && password.value.length > 5) submitBtn.click();
}, 250);
}
else console.log(`${sites[site][0]} not found`)
}, false);
window.addEventListener('popstate', () => {
setTimeout(() => {
let inputTxt;
if ((inputTxt = document.querySelector(sites[site][0]))) {
inputTxt.setAttribute('type', 'password');
inputTxt.value = getOTP(keys[location.host]);
angular.element(inputTxt).controller().mfa_form.$invalid = false;
angular.element(inputTxt).controller().otp1 = inputTxt.value;
let submitMfa;
if (sites[site][1] && (submitMfa = document.querySelector(sites[site][1]))) submitMfa.click();
}
else console.log(`${sites[site][0]} not found`);
}, 500);
}, false);
break;
}
}
}
})();