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Fix three code bugs #10

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Fix three code bugs #10

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3 changes: 2 additions & 1 deletion chat.css
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,8 @@ body {
}

input[type="password"], input[type="text"] {
width: calc(100% - 20px);
width: 100%;
box-sizing: border-box;
padding: 10px;
margin-bottom: 10px;
}
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8 changes: 4 additions & 4 deletions chat.html
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
<!DOCTYPE html>
<html lang="en">
<html lang="th">
<head>
<meta charset="UTF-8">
<title>Private Chat Room</title>
Expand All @@ -8,16 +8,16 @@
<body>
<div id="password-screen">
<h2>ใส่รหัสผ่านเพื่อเข้าสู่ห้องแชท</h2>
<input type="password" id="password-input" placeholder="รหัสผ่าน">
<button onclick="checkPassword()">เข้าสู่ระบบ</button>
<input type="password" id="password-input" placeholder="รหัสผ่าน" autocomplete="off">
<button id="login-button">เข้าสู่ระบบ</button>
<p id="error-msg"></p>
</div>

<div id="chat-screen" style="display:none;">
<h2>ห้องแชทส่วนตัว</h2>
<div id="chat-box"></div>
<input type="text" id="user-input" placeholder="พิมพ์ข้อความ...">
<button onclick="sendMessage()">ส่ง</button>
<button id="send-button">ส่ง</button>
</div>

<script src="chat.js"></script>
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40 changes: 37 additions & 3 deletions chat.js
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Original file line number Diff line number Diff line change
@@ -1,10 +1,21 @@
const PASSWORD = "QuietRoom#2025";
const PASSWORD_HASH = "cf77816f045ebf2ceb4cf57367a86c217ad3293fa17c13d3e6d52886b815cb12";

function checkPassword() {
async function sha256Hex(message) {
const encoder = new TextEncoder();
const data = encoder.encode(message);
const hashBuffer = await crypto.subtle.digest("SHA-256", data);
const hashArray = Array.from(new Uint8Array(hashBuffer));
const hashHex = hashArray.map(b => b.toString(16).padStart(2, "0")).join("");
return hashHex;
}

async function checkPassword() {
const input = document.getElementById("password-input").value;
const errorMsg = document.getElementById("error-msg");
errorMsg.textContent = "";

if (input === PASSWORD) {
const inputHash = await sha256Hex(input);
if (inputHash === PASSWORD_HASH) {
document.getElementById("password-screen").style.display = "none";
document.getElementById("chat-screen").style.display = "block";
} else {
Expand All @@ -25,3 +36,26 @@ function sendMessage() {
inputField.value = "";
chatBox.scrollTop = chatBox.scrollHeight;
}

// Wire up events after DOM is ready
window.addEventListener("DOMContentLoaded", () => {
const loginButton = document.getElementById("login-button");
const passwordInput = document.getElementById("password-input");
const sendButton = document.getElementById("send-button");
const userInput = document.getElementById("user-input");

if (loginButton) loginButton.addEventListener("click", () => { checkPassword(); });
if (passwordInput) passwordInput.addEventListener("keydown", (e) => {
if (e.key === "Enter") {
checkPassword();
}
});

if (sendButton) sendButton.addEventListener("click", () => { sendMessage(); });
if (userInput) userInput.addEventListener("keydown", (e) => {
if (e.key === "Enter" && !e.shiftKey) {
e.preventDefault();
sendMessage();
}
});
});