forked from snxraven/LinkUp-P2P-Chat
Up to date fork #1
284
app.js
284
app.js
@ -14,7 +14,6 @@ const drive = new Hyperdrive(store);
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await drive.ready();
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let swarm;
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let peerCount = 0;
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let activeRooms = [];
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const eventEmitter = new EventEmitter();
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@ -46,151 +45,28 @@ async function initialize() {
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await serve.ready();
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console.log('Listening on http://localhost:' + serve.address().port);
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const registerForm = document.querySelector('#register-form');
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const selectAvatarButton = document.querySelector('#select-avatar');
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const createChatRoomButton = document.querySelector('#create-chat-room');
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const joinChatRoomButton = document.querySelector('#join-chat-room');
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const messageForm = document.querySelector('#message-form');
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const toggleSetupBtn = document.querySelector('#toggle-setup-btn');
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const removeRoomBtn = document.querySelector('#remove-room-btn');
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const attachFileButton = document.getElementById('attach-file');
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const fileInput = document.getElementById('file-input');
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const talkButton = document.getElementById('talk-btn');
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if (registerForm) {
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registerForm.addEventListener('submit', registerUser);
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}
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if (selectAvatarButton) {
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selectAvatarButton.addEventListener('click', () => {
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document.querySelector('#avatar-file').click();
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});
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}
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if (createChatRoomButton) {
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createChatRoomButton.addEventListener('click', createChatRoom);
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}
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if (joinChatRoomButton) {
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joinChatRoomButton.addEventListener('click', joinChatRoom);
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}
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if (messageForm) {
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messageForm.addEventListener('submit', sendMessage);
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}
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if (toggleSetupBtn) {
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toggleSetupBtn.addEventListener('click', toggleSetupView);
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}
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if (removeRoomBtn) {
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removeRoomBtn.addEventListener('click', () => {
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const topic = document.querySelector('#chat-room-topic').innerText;
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leaveRoom(topic);
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});
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}
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if (attachFileButton) {
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attachFileButton.addEventListener('click', () => fileInput.click());
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}
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if (fileInput) {
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fileInput.addEventListener('change', handleFileInput);
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}
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if (talkButton) {
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setupTalkButton();
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}
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// Event listeners setup
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setupEventListeners();
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const configExists = fs.existsSync("./config.json");
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if (configExists) {
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config = JSON.parse(fs.readFileSync("./config.json", 'utf8'));
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console.log("Read config from file:", config);
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// Update port in URLs
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config.userAvatar = updatePortInUrl(config.userAvatar);
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config.rooms.forEach(room => {
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room.alias = room.alias || truncateHash(room.topic);
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});
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for (let user in config.registeredUsers) {
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config.registeredUsers[user] = updatePortInUrl(config.registeredUsers[user]);
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}
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renderRoomList(); // Render the room list with aliases
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// Connect to all rooms on startup
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for (const room of config.rooms) {
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const topicBuffer = b4a.from(room.topic, 'hex');
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await joinSwarm(topicBuffer);
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}
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loadConfigFromFile();
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renderRoomList();
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await connectToAllRooms();
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}
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const registerDiv = document.querySelector('#register');
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if (registerDiv && !configExists) {
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registerDiv.classList.remove('hidden');
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if (!configExists) {
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document.querySelector('#register').classList.remove('hidden');
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}
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eventEmitter.on('onMessage', async (messageObj) => {
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console.log('Received message:', messageObj); // Debugging log
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if (messageObj.type === 'icon') {
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const username = messageObj.username;
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if (messageObj.avatar) {
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const avatarBuffer = b4a.from(messageObj.avatar, 'base64');
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await drive.put(`/icons/${username}.png`, avatarBuffer);
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updateIcon(username, avatarBuffer);
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} else {
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console.error('Received icon message with missing avatar data:', messageObj);
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}
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} else if (messageObj.type === 'file') {
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if (messageObj.file && messageObj.fileName) {
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const fileBuffer = b4a.from(messageObj.file, 'base64');
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await drive.put(`/files/${messageObj.fileName}`, fileBuffer);
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const fileUrl = `http://localhost:${servePort}/files/${messageObj.fileName}`;
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addFileMessage(messageObj.name, messageObj.fileName, updatePortInUrl(fileUrl), messageObj.fileType, updatePortInUrl(messageObj.avatar), messageObj.topic);
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} else {
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console.error('Received file message with missing file data or fileName:', messageObj);
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}
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} else if (messageObj.type === 'message') {
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onMessageAdded(messageObj.name, messageObj.message, messageObj.avatar, messageObj.topic);
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} else if (messageObj.type === 'audio') {
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const audioBuffer = b4a.from(messageObj.audio, 'base64');
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const filePath = `/audio/${Date.now()}.webm`;
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await drive.put(filePath, audioBuffer);
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const audioUrl = `http://localhost:${servePort}${filePath}`;
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addAudioMessage(messageObj.name, audioUrl, messageObj.avatar, messageObj.topic);
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} else {
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console.error('Received unknown message type:', messageObj);
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}
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handleIncomingMessage(messageObj);
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});
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swarm.on('connection', async (connection, info) => {
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peerCount++;
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updatePeerCount();
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console.log('Peer connected, current peer count:', peerCount);
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swarm.on('connection', handleConnection);
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swarm.on('error', (err) => console.error('Swarm error:', err));
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swarm.on('close', () => console.log('Swarm closed'));
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// Send the current user's icon to the new peer
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const iconBuffer = await drive.get(`/icons/${config.userName}.png`);
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if (iconBuffer) {
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const iconMessage = JSON.stringify({
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type: 'icon',
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username: config.userName,
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avatar: b4a.toString(iconBuffer, 'base64'),
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});
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connection.write(iconMessage);
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}
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connection.on('data', (data) => {
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const messageObj = JSON.parse(data.toString());
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eventEmitter.emit('onMessage', messageObj);
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});
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connection.on('close', () => {
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peerCount--;
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updatePeerCount();
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console.log('Peer disconnected, current peer count:', peerCount);
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});
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});
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swarm.on('error', (err) => {
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console.error('Swarm error:', err);
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});
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swarm.on('close', () => {
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console.log('Swarm closed');
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});
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// Initialize highlight.js once the DOM is fully loaded
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document.addEventListener("DOMContentLoaded", (event) => {
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hljs.highlightAll();
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});
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@ -199,6 +75,119 @@ async function initialize() {
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}
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}
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function setupEventListeners() {
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const registerForm = document.querySelector('#register-form');
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const selectAvatarButton = document.querySelector('#select-avatar');
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const createChatRoomButton = document.querySelector('#create-chat-room');
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const joinChatRoomButton = document.querySelector('#join-chat-room');
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const messageForm = document.querySelector('#message-form');
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const toggleSetupBtn = document.querySelector('#toggle-setup-btn');
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const removeRoomBtn = document.querySelector('#remove-room-btn');
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const attachFileButton = document.getElementById('attach-file');
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const fileInput = document.getElementById('file-input');
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const talkButton = document.getElementById('talk-btn');
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if (registerForm) {
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registerForm.addEventListener('submit', registerUser);
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}
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if (selectAvatarButton) {
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selectAvatarButton.addEventListener('click', () => {
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document.querySelector('#avatar-file').click();
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});
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}
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if (createChatRoomButton) {
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createChatRoomButton.addEventListener('click', createChatRoom);
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}
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if (joinChatRoomButton) {
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joinChatRoomButton.addEventListener('click', joinChatRoom);
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}
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if (messageForm) {
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messageForm.addEventListener('submit', sendMessage);
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}
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if (toggleSetupBtn) {
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toggleSetupBtn.addEventListener('click', toggleSetupView);
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}
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if (removeRoomBtn) {
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removeRoomBtn.addEventListener('click', () => {
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const topic = document.querySelector('#chat-room-topic').innerText;
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leaveRoom(topic);
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});
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}
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if (attachFileButton) {
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attachFileButton.addEventListener('click', () => fileInput.click());
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}
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if (fileInput) {
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fileInput.addEventListener('change', handleFileInput);
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}
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if (talkButton) {
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setupTalkButton();
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}
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}
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function handleIncomingMessage(messageObj) {
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console.log('Received message:', messageObj); // Debugging log
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if (messageObj.type === 'icon') {
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const username = messageObj.username;
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if (messageObj.avatar) {
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const avatarBuffer = b4a.from(messageObj.avatar, 'base64');
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drive.put(`/icons/${username}.png`, avatarBuffer).then(() => {
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updateIcon(username, avatarBuffer);
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});
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} else {
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console.error('Received icon message with missing avatar data:', messageObj);
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}
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} else if (messageObj.type === 'file') {
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if (messageObj.file && messageObj.fileName) {
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const fileBuffer = b4a.from(messageObj.file, 'base64');
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drive.put(`/files/${messageObj.fileName}`, fileBuffer).then(() => {
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const fileUrl = `http://localhost:${servePort}/files/${messageObj.fileName}`;
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addFileMessage(messageObj.name, messageObj.fileName, updatePortInUrl(fileUrl), messageObj.fileType, updatePortInUrl(messageObj.avatar), messageObj.topic);
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});
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} else {
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console.error('Received file message with missing file data or fileName:', messageObj);
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}
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} else if (messageObj.type === 'message') {
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onMessageAdded(messageObj.name, messageObj.message, messageObj.avatar, messageObj.topic);
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} else if (messageObj.type === 'audio') {
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const audioBuffer = b4a.from(messageObj.audio, 'base64');
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const filePath = `/audio/${Date.now()}.webm`;
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drive.put(filePath, audioBuffer).then(() => {
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const audioUrl = `http://localhost:${servePort}${filePath}`;
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addAudioMessage(messageObj.name, audioUrl, messageObj.avatar, messageObj.topic);
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});
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} else {
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console.error('Received unknown message type:', messageObj);
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}
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}
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function handleConnection(connection, info) {
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updatePeerCount();
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console.log('Peer connected, current peer count:', swarm.connections.size);
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// Send the current user's icon to the new peer
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drive.get(`/icons/${config.userName}.png`).then(iconBuffer => {
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if (iconBuffer) {
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const iconMessage = JSON.stringify({
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type: 'icon',
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username: config.userName,
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avatar: b4a.toString(iconBuffer, 'base64'),
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});
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connection.write(iconMessage);
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}
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});
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connection.on('data', (data) => {
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const messageObj = JSON.parse(data.toString());
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eventEmitter.emit('onMessage', messageObj);
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});
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connection.on('close', () => {
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updatePeerCount();
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console.log('Peer disconnected, current peer count:', swarm.connections.size);
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});
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}
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function setupTalkButton() {
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const talkButton = document.getElementById('talk-btn');
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if (!talkButton) return;
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@ -334,6 +323,7 @@ async function joinSwarm(topicBuffer) {
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console.log('Joined room:', topic); // Debugging log
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renderMessagesForRoom(topic);
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updatePeerCount();
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} catch (error) {
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console.error('Error joining swarm for topic:', topic, error);
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}
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@ -429,6 +419,7 @@ function switchRoom(topic) {
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clearMessages();
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renderMessagesForRoom(topic);
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updatePeerCount();
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// Show chat UI elements
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document.querySelector('#chat').classList.remove('hidden');
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@ -571,7 +562,7 @@ function addFileMessage(from, fileName, fileUrl, fileType, avatar, topic) {
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function updatePeerCount() {
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const peerCountElement = document.querySelector('#peers-count');
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if (peerCountElement) {
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peerCountElement.textContent = peerCount; // Display the actual peer count
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peerCountElement.textContent = swarm.connections.size; // Display the actual peer count
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}
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}
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@ -756,6 +747,27 @@ function addMessageToStore(topic, messageObj) {
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messagesStore[topic].push(messageObj);
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}
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function loadConfigFromFile() {
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config = JSON.parse(fs.readFileSync("./config.json", 'utf8'));
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console.log("Read config from file:", config);
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// Update port in URLs
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config.userAvatar = updatePortInUrl(config.userAvatar);
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config.rooms.forEach(room => {
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room.alias = room.alias || truncateHash(room.topic);
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});
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for (let user in config.registeredUsers) {
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config.registeredUsers[user] = updatePortInUrl(config.registeredUsers[user]);
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}
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}
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async function connectToAllRooms() {
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// Connect to all rooms on startup
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for (const room of config.rooms) {
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const topicBuffer = b4a.from(room.topic, 'hex');
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await joinSwarm(topicBuffer);
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}
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}
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// Call this function when loading the rooms initially
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renderRoomList();
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