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Update chat.html
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chat.html
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@@ -174,102 +174,207 @@
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</head>
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<body>
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<div class="chat-container">
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<div class="chat-header">
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<h2>🌿 Secure Chat</h2>
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<div class="security-badge">AES ШИФРОВАНИЕ</div>
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</div>
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<div class="
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</div>
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</div>
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</div>
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<script>
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const
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document.getElementById('
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}
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const div = document.createElement('div');
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div.id = 'msg-' + m.id; // уникальный ID для проверки
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div.className = 'message ' + (m.user_id === userId ? 'own' : 'other');
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div.innerHTML = `<div><b>${m.username}</b> • ${m.timestamp}</div><div>${decrypted}</div>`;
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messagesDiv.appendChild(div);
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});
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messagesDiv.scrollTop = messagesDiv.scrollHeight;
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}
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setInterval(loadNewMessages, 2000);
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loadMessages();
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</script>
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</body>
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</html>
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</head>
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+
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+
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+
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+
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<body>
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+
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<div class="chat-container">
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<div class="chat-header">
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<h2>🌿 Secure Chat</h2>
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<div class="security-badge">AES ШИФРОВАНИЕ</div>
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</div>
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<!-- ЭКРАН ВХОДА С НИКОМ -->
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<div id="login-section" style="padding: 20px; background: #e6fffa; border-bottom: 2px solid #48bb78; text-align: center;">
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<h3 style="margin-bottom: 10px; color: #2f855a;">👤 Введите ваш ник</h3>
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<input type="text" id="username-input" placeholder="Ваш ник"
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style="width: 60%; padding: 10px 15px; border: 2px solid #48bb78; border-radius: 10px; font-size: 16px; text-align: center;">
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<button id="join-btn"
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style="margin-left: 10px; padding: 10px 25px; background: #48bb78; color: white; border: none; border-radius: 10px; cursor: pointer; font-weight: bold; font-size: 16px;">
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Войти в чат
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</button>
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<div style="margin-top: 8px; font-size: 0.85em; color: #38a169;">
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🔐 Этот ник будут видеть другие участники
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</div>
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</div>
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<!-- САМ ЧАТ (СКРЫТ ДО ВХОДА) -->
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<div id="chat-section" style="display: none; flex-direction: column; height: 100%;">
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<div class="encryption-notice">🔒 Все сообщения шифруются на вашем устройстве</div>
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<div class="messages-container" id="messages"></div>
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<div class="input-container">
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<textarea class="message-input" id="message-input" placeholder="Введите сообщение..."></textarea>
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<div class="button-row">
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<button class="send-button" id="send-btn">Отправить</button>
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<button class="clear-button" id="clear-btn">🗑 Очистить</button>
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</div>
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</div>
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</div>
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</div>
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<script>
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// === ГЛОБАЛЬНЫЕ ПЕРЕМЕННЫЕ ===
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let username = '';
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let lastId = 0;
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const FIXED_KEY = 'my-secret-key-2024'; // Общий ключ шифрования
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// === DOM-ЭЛЕМЕНТЫ ===
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const loginSection = document.getElementById('login-section');
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const chatSection = document.getElementById('chat-section');
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const usernameInput = document.getElementById('username-input');
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const joinBtn = document.getElementById('join-btn');
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const messagesDiv = document.getElementById('messages');
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const msgInput = document.getElementById('message-input');
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const sendBtn = document.getElementById('send-btn');
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const clearBtn = document.getElementById('clear-btn');
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// === ВХОД В ЧАТ ===
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function enterChat() {
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const name = usernameInput.value.trim();
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if (!name) {
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alert('Пожалуйста, введите ваш ник!');
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return;
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}
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username = name;
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localStorage.setItem('chat_username', name); // сохраняем
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loginSection.style.display = 'none';
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chatSection.style.display = 'flex';
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loadMessages();
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// Запускаем автообновление, если ещё не запущено
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if (!window._pollingStarted) {
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window._pollingStarted = true;
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setInterval(loadNewMessages, 2000);
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}
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}
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joinBtn.onclick = enterChat;
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usernameInput.onkeydown = function(e) {
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if (e.key === 'Enter') enterChat();
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};
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// Автовход, если ник сохранён (опционально)
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const savedName = localStorage.getItem('chat_username');
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if (savedName) {
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usernameInput.value = savedName;
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// Можно раскомментировать для авто-входа:
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// setTimeout(enterChat, 500);
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}
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// === ШИФРОВАНИЕ ===
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function encryptMessage(text) {
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return CryptoJS.AES.encrypt(text, FIXED_KEY).toString();
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}
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function decryptMessage(encrypted) {
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try {
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const decrypted = CryptoJS.AES.decrypt(encrypted, FIXED_KEY).toString(CryptoJS.enc.Utf8);
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return decrypted || '🔒 Не удалось расшифровать';
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} catch {
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return '🔒 Ошибка расшифровки';
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}
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}
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// === ОТПРАВКА ===
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async function sendMessage() {
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const text = msgInput.value.trim();
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if (!text) {
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alert('Введите сообщение');
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return;
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}
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if (!username) {
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alert('Сначала войдите в чат');
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return;
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}
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const encrypted = encryptMessage(text);
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await fetch('/send_message', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({
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username: username,
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encrypted_text: encrypted
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})
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});
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msgInput.value = '';
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loadNewMessages();
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}
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// === ЗАГРУЗКА ===
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async function loadMessages() {
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const res = await fetch('/get_messages');
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const data = await res.json();
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renderMessages(data.messages, true);
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}
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async function loadNewMessages() {
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const res = await fetch(`/get_new_messages?last_id=${lastId}`);
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const data = await res.json();
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if (data.messages.length) {
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renderMessages(data.messages, false);
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}
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}
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// === ОЧИСТКА ===
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async function clearChat() {
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if (!confirm('Очистить чат для всех?')) return;
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await fetch('/clear_chat', { method: 'POST' });
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messagesDiv.innerHTML = '';
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lastId = 0;
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}
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// === ОТРИСОВКА ===
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function renderMessages(msgs, clear = true) {
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if (clear) messagesDiv.innerHTML = '';
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msgs.forEach(m => {
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if (document.getElementById('msg-' + m.id)) return;
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lastId = Math.max(lastId, m.id);
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const decrypted = decryptMessage(m.encrypted_text);
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const isOwn = m.username === username;
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const div = document.createElement('div');
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div.id = 'msg-' + m.id;
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div.className = 'message ' + (isOwn ? 'own' : 'other');
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div.innerHTML = `
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<div class="message-info">
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<b>${m.username}</b> • ${m.timestamp}
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</div>
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<div>${decrypted}</div>
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`;
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messagesDiv.appendChild(div);
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});
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messagesDiv.scrollTop = messagesDiv.scrollHeight;
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}
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// === КНОПКИ ===
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sendBtn.onclick = sendMessage;
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clearBtn.onclick = clearChat;
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msgInput.onkeydown = function(e) {
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if (e.key === 'Enter' && (e.ctrlKey || e.metaKey)) {
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sendBtn.click();
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}
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};
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// Если чат уже должен быть открыт (например, после перезагрузки)
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// можно проверить и восстановить состояние
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if (localStorage.getItem('chat_username') && loginSection.style.display !== 'none') {
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// ничего не делаем, ждём ручного входа
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}
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</script>
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</body>
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</html>
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