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password_template.html
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password_template.html
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<!DOCTYPE html>
<html class="staticrypt-html">
<head>
<meta charset="utf-8" />
<title>Private Page</title>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<!-- do not cache this page -->
<meta http-equiv="cache-control" content="max-age=0" />
<meta http-equiv="cache-control" content="no-cache" />
<meta http-equiv="expires" content="0" />
<meta http-equiv="expires" content="Tue, 01 Jan 1980 1:00:00 GMT" />
<meta http-equiv="pragma" content="no-cache" />
<style>
.staticrypt-hr {
margin-top: 20px;
margin-bottom: 20px;
border: 0;
border-top: 1px solid #eee;
}
.staticrypt-page {
width: 360px;
padding: 8% 0 0;
margin: auto;
box-sizing: border-box;
}
.staticrypt-form {
position: relative;
z-index: 1;
background: #ffffff;
max-width: 360px;
margin: 0 auto 100px;
padding: 45px;
text-align: center;
box-shadow: 0 0 20px 0 rgba(0, 0, 0, 0.2),
0 5px 5px 0 rgba(0, 0, 0, 0.24);
}
.staticrypt-form input {
outline: 0;
background: #f2f2f2;
width: 100%;
border: 0;
margin: 0 0 15px;
padding: 15px;
box-sizing: border-box;
font-size: 14px;
}
.staticrypt-form .staticrypt-decrypt-button {
text-transform: uppercase;
outline: 0;
background: white;
width: 100%;
border: 0;
padding: 15px;
color: black;
font-size: 14px;
cursor: pointer;
border: 1px solid black;
}
.staticrypt-form .staticrypt-decrypt-button:hover {
background: #E5E7EB;
}
.staticrypt-html {
height: 100%;
}
.staticrypt-body {
margin-bottom: 1em;
background: white;
font-family: "Arial", sans-serif;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
.staticrypt-instructions {
margin-top: -1em;
margin-bottom: 1em;
}
.staticrypt-title {
font-size: 1.5em;
}
.staticrypt-footer {
position: fixed;
height: 20px;
font-size: 16px;
padding: 2px;
bottom: 0;
left: 0;
right: 0;
margin-bottom: 0;
}
.staticrypt-footer p {
margin: 2px;
text-align: center;
float: right;
}
.staticrypt-footer a {
text-decoration: none;
}
#loader {
border: 12px solid #f3f3f3;
border-radius: 50%;
border-top: 12px solid #444444;
width: 70px;
height: 70px;
animation: spin 1s linear infinite;
}
@keyframes spin {
100% {
transform: rotate(360deg);
}
}
.center {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
margin: auto;
}
</style>
<style>
html {
display: none !important;
opacity: 0;
}
</style>
<script src="_includes/assets/inline.js"></script>
</head>
<body class="staticrypt-body">
<div id="loader" class="center"></div>
{crypto_tag}
<script>
document.onreadystatechange = function () {
if (document.readyState !== "complete") {
document.querySelector("body").style.visibility = "hidden";
document.querySelector("#loader").style.visibility = "visible";
} else {
document.querySelector("#loader").style.display = "none";
document.querySelector("body").style.visibility = "visible";
}
};
/**
* Decrypt a salted msg using a password.
* Inspired by https://github.com/adonespitogo
*/
var keySize = 256;
var iterations = 1000;
function decrypt(encryptedMsg, pass) {
var salt = CryptoJS.enc.Hex.parse(encryptedMsg.substr(0, 32));
var iv = CryptoJS.enc.Hex.parse(encryptedMsg.substr(32, 32));
var encrypted = encryptedMsg.substring(64);
var key = CryptoJS.PBKDF2(pass, salt, {
keySize: keySize / 32,
iterations: iterations,
});
var decrypted = CryptoJS.AES.decrypt(encrypted, key, {
iv: iv,
padding: CryptoJS.pad.Pkcs7,
mode: CryptoJS.mode.CBC,
}).toString(CryptoJS.enc.Utf8);
return decrypted;
}
window.onload = function () {
var form = document.getElementById("staticrypt-form");
if (form) {
form.addEventListener("submit", function (e) {
e.preventDefault();
var passphrase = document.getElementById("staticrypt-password")
.value;
localStorage.setItem("passphrase", passphrase);
if (!decryptWithPassphrase(passphrase)) {
alert("Sorry, that password didn't work!");
return;
}
});
}
};
if (localStorage.getItem("passphrase")) {
if (!decryptWithPassphrase(localStorage.getItem("passphrase"))) {
localStorage.removeItem("passphrase");
}
}
function decryptWithPassphrase(passphrase) {
var encryptedMsg = "{encrypted}",
encryptedHMAC = encryptedMsg.substring(0, 64),
encryptedHTML = encryptedMsg.substring(64),
decryptedHMAC = CryptoJS.HmacSHA256(
encryptedHTML,
CryptoJS.SHA256(passphrase).toString()
).toString();
if (decryptedHMAC !== encryptedHMAC) {
return false;
}
var plainHTML = decrypt(encryptedHTML, passphrase);
var newHTML = document.open("text/html", "replace");
newHTML.write(plainHTML);
newHTML.close();
return true;
}
</script>
<div class="staticrypt-page">
<div class="staticrypt-form">
<div class="staticrypt-instructions">
<p>馃敀 Enter a password to unlock!</p>
</div>
<hr class="staticrypt-hr" />
<form id="staticrypt-form" action="#" method="post">
<input
id="staticrypt-password"
type="password"
name="password"
placeholder="password"
autofocus
/>
<input
type="submit"
class="staticrypt-decrypt-button"
value="ENTER"
/>
</form>
</div>
</div>
<style>
html {
display: block !important;
opacity: 1;
}
</style>
</body>
</html>