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session.html
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<!DOCTYPE html>
<html lang="en">
<!-- CSS -->
<link
rel="stylesheet"
href="https://cdn.jsdelivr.net/npm/bootstrap@4.5.3/dist/css/bootstrap.min.css"
integrity="sha384-TX8t27EcRE3e/ihU7zmQxVncDAy5uIKz4rEkgIXeMed4M0jlfIDPvg6uqKI2xXr2"
crossorigin="anonymous"
/>
<head>
<title>Flask_Chat_App</title>
</head>
<body onload="loadKey()">
{% include '_messages.html'%}
<div class="container" style="min-height: 100vh">
<nav class="navbar navbar-light bg-primary">
<span class="navbar-brand mb-0 h1 text-white">HillCrypt</span>
</nav>
<div class="row pt-3" style="min-height: 80vh">
<div
class="col-md-6"
style="
display: flex;
flex-direction: column;
justify-content: space-between;
"
>
<div class="row">
<div class="col-md-12">
{% for msg in messages %}
<div>
<b style="color: #000">{{ msg.user_name }}</b>: {{
msg.message }}
</div>
{% endfor %}
<div class="message_holder"></div>
</div>
</div>
<div class="row">
<div class="col-md-12">
<form class="message-form" action="" method="POST">
<div class="form-group row">
<label for="username" class="col-sm-3 col-form-label"
>Username</label
>
<div class="col-sm-9">
<input
type="text"
id="username"
name="username"
class="form-control username"
/>
</div>
</div>
<div class="form-group row">
<label for="message" class="col-sm-3 col-form-label"
>Message</label
>
<div class="col-sm-9">
<input
type="text"
id="message"
name="message"
class="form-control message"
/>
</div>
</div>
<input hidden type="text" class="key" name="key" value="" />
<button type="submit" class="btn btn-primary">Send</button>
</form>
</div>
</div>
</div>
<div
class="col-md-6"
style="display: flex; flex-direction: column; justify-content: center"
>
<table class="table">
<tbody>
{% for i in range(4) %}
<tr>
{% for j in range(4) %}
<td>
<input
type="number"
class="form-control key-items key-{{i}}-{{j}}"
/>
</td>
{% endfor %}
</tr>
{% endfor %}
</tbody>
</table>
<div class="rhs-buttons" style="display: flex">
<div class="set-key-button mx-3">
<button class="btn btn-primary" onclick="setKey()">
Set Key
</button>
</div>
<div class="decrypt-button">
<form action="/" method="POST">
<input hidden type="text" class="key" name="key" value="" />
<button type="submit" name="decrypt" class="btn btn-success">
Decrypt
</button>
</form>
</div>
</div>
</div>
</div>
</div>
<script
src="https://code.jquery.com/jquery-3.5.1.slim.min.js"
integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj"
crossorigin="anonymous"
></script>
<script
src="https://cdn.jsdelivr.net/npm/bootstrap@4.5.3/dist/js/bootstrap.bundle.min.js"
integrity="sha384-ho+j7jyWK8fNQe+A12Hb8AhRq26LrZ/JpcUGGOn+Y7RsweNrtN/tE3MoK7ZeZDyx"
crossorigin="anonymous"
></script>
<!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/1.7.3/socket.io.min.js"></script>
<script type="text/javascript">
var socket = io.connect(
"http://" + document.domain + ":" + location.port
);
socket.on("connect", function () {
var form = $(".message-form").on("submit", function (e) {
e.preventDefault();
let user_name = $("input.username").val();
let user_input = $("input.message").val();
let key = $("input.key").val();
socket.emit("my event", {
user_name: user_name,
message: user_input,
key: key,
});
$("input.message").val("").focus();
});
});
socket.on("my response", function (msg) {
console.log(msg);
if (typeof msg.user_name !== "undefined") {
$("h3").remove();
$("div.message_holder").append(
'<div><b style="color: #000">' +
msg.user_name +
"</b>: " +
msg.message +
"</div>"
);
}
});
function setKey() {
var keyItems = [];
var keyItemsDOM = document.getElementsByClassName("key-items");
for (var i = 0; i < keyItemsDOM.length; i++) {
keyItems.push(keyItemsDOM[i].value);
}
var keyInputDOM = document.getElementsByClassName("key");
for (var i = 0; i < keyInputDOM.length; i++) {
keyInputDOM[i].value = keyItems.join("*");
}
localStorage.setItem("key_str", keyItems.join("*"));
}
function loadKey() {
if (localStorage.getItem("key_str") !== null) {
var key_str = localStorage.getItem("key_str");
key_items = key_str.split("*");
var keyItemsDOM = document.getElementsByClassName("key-items");
for (var i = 0; i < keyItemsDOM.length; i++) {
keyItemsDOM[i].value = key_items[i];
}
setKey();
}
}
</script>
</body>
</html>