This repository has been archived on 2022-03-27. You can view files and clone it, but cannot push or open issues or pull requests.
presis/revealjs/passwords/img/brute-force.html

74 lines
1.8 KiB
HTML
Raw Permalink Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<link rel="stylesheet" href="../../_assets/fonts/Iosevka/index.css">
<style>
body {
background-color: #222;
color: #fff;
font-family: "Iosevka sbruder";
font-size: 10vh;
}
span {
margin: 5vh 5vw;
position: absolute;
}
span#tl { top: 0; left: 0; }
span#tr { top: 0; right: 0; }
span#bl { bottom: 0; left: 0; }
span#br { bottom: 0; right: 0; }
</style>
</head>
<body>
<span id="tl"></span>
<span id="tr"></span>
<span id="bl"></span>
<span id="br"></span>
<script>
const desiredPasswords = ['hallo', 'passwort', '12345678', 'sicher']
const initialPasswords = ['QZtn.', 'oaifraFG', 'D@A?CN;F', 'IHKYaR']
const sleep = 15
let intervals = []
function next(c, d) {
if (c.length !== d.length) {
return ''
}
for (i=0; i<c.length; i++) {
if (c[i] < d[i]) {
return c.substr(0, i) + String.fromCharCode(c.charCodeAt(i) + 1) + c.substr(i + 1)
}
else if (c[i] > d[i]) {
return c.substr(0, i) + String.fromCharCode(c.charCodeAt(i) - 1) + c.substr(i + 1)
}
}
}
window.addEventListener("message", (e) => {
console.log(e)
if (e.data === 'slide:start') {
document.querySelectorAll('span').forEach((el, idx) => intervals.push(setInterval(() => {
if (el.textContent === '') {
el.textContent = initialPasswords[idx]
}
if (el.textContent !== desiredPasswords[idx]) {
el.textContent = next(el.textContent, desiredPasswords[idx])
}
else {
setTimeout(() => el.textContent = '', 1000)
}
}, sleep)))
}
else if (e.data === 'slide:stop') {
document.querySelectorAll('span').forEach(el => el.textContent = '')
intervals = intervals.filter(item => clearInterval(item))
}
});
</script>
</body>
</html>