Add new feature: multiple whatsapp client (dynamic)

.gitignore

@@ -1,2 +1,2 @@
 node_modules
-whatsapp-session.json
+whatsapp-session-*.json

app-multiple-device.js

@@ -0,0 +1,174 @@
+const { Client, MessageMedia } = require('whatsapp-web.js');
+const express = require('express');
+const socketIO = require('socket.io');
+const qrcode = require('qrcode');
+const http = require('http');
+const fs = require('fs');
+const { phoneNumberFormatter } = require('./helpers/formatter');
+const axios = require('axios');
+const port = process.env.PORT || 8000;
+
+const app = express();
+const server = http.createServer(app);
+const io = socketIO(server);
+
+app.use(express.json());
+app.use(express.urlencoded({
+  extended: true
+}));
+
+app.get('/', (req, res) => {
+  res.sendFile('index.html', {
+    root: __dirname
+  });
+});
+
+const sessions = [];
+const createSession = function(id, description, io) {
+  const SESSION_FILE_PATH = `./whatsapp-session-${id}.json`;
+  let sessionCfg;
+  if (fs.existsSync(SESSION_FILE_PATH)) {
+    sessionCfg = require(SESSION_FILE_PATH);
+  }
+
+  const client = new Client({
+    restartOnAuthFail: true,
+    puppeteer: {
+      headless: true,
+      args: [
+        '--no-sandbox',
+        '--disable-setuid-sandbox',
+        '--disable-dev-shm-usage',
+        '--disable-accelerated-2d-canvas',
+        '--no-first-run',
+        '--no-zygote',
+        '--single-process', // <- this one doesn't works in Windows
+        '--disable-gpu'
+      ],
+    },
+    session: sessionCfg
+  });
+
+  client.initialize();
+
+  client.on('qr', (qr) => {
+    console.log('QR RECEIVED', qr);
+    qrcode.toDataURL(qr, (err, url) => {
+      io.emit('qr', { id: id, src: url });
+      io.emit('message', { id: id, text: 'QR Code received, scan please!' });
+    });
+  });
+
+  client.on('ready', () => {
+    io.emit('ready', { id: id });
+    io.emit('message', { id: id, text: 'Whatsapp is ready!' });
+  });
+
+  client.on('authenticated', (session) => {
+    io.emit('authenticated', { id: id });
+    io.emit('message', { id: id, text: 'Whatsapp is authenticated!' });
+    sessionCfg = session;
+    fs.writeFile(SESSION_FILE_PATH, JSON.stringify(session), function(err) {
+      if (err) {
+        console.error(err);
+      }
+    });
+  });
+
+  client.on('auth_failure', function(session) {
+    io.emit('message', { id: id, text: 'Auth failure, restarting...' });
+  });
+
+  client.on('disconnected', (reason) => {
+    io.emit('message', { id: id, text: 'Whatsapp is disconnected!' });
+    fs.unlinkSync(SESSION_FILE_PATH, function(err) {
+        if(err) return console.log(err);
+        console.log('Session file deleted!');
+    });
+    client.destroy();
+    client.initialize();
+  });
+
+  // Tambahkan client ke sessions
+  sessions.push({
+    id: id,
+    description: description,
+    client: client
+  });
+}
+
+// Socket IO
+io.on('connection', function(socket) {
+  socket.on('create-session', function(data) {
+    console.log('Create session: ' + data.id);
+    createSession(data.id, data.description, io);
+  });
+});
+
+// io.on('connection', function(socket) {
+//   socket.emit('message', 'Connecting...');
+
+//   client.on('qr', (qr) => {
+//     console.log('QR RECEIVED', qr);
+//     qrcode.toDataURL(qr, (err, url) => {
+//       socket.emit('qr', url);
+//       socket.emit('message', 'QR Code received, scan please!');
+//     });
+//   });
+
+//   client.on('ready', () => {
+//     socket.emit('ready', 'Whatsapp is ready!');
+//     socket.emit('message', 'Whatsapp is ready!');
+//   });
+
+//   client.on('authenticated', (session) => {
+//     socket.emit('authenticated', 'Whatsapp is authenticated!');
+//     socket.emit('message', 'Whatsapp is authenticated!');
+//     console.log('AUTHENTICATED', session);
+//     sessionCfg = session;
+//     fs.writeFile(SESSION_FILE_PATH, JSON.stringify(session), function(err) {
+//       if (err) {
+//         console.error(err);
+//       }
+//     });
+//   });
+
+//   client.on('auth_failure', function(session) {
+//     socket.emit('message', 'Auth failure, restarting...');
+//   });
+
+//   client.on('disconnected', (reason) => {
+//     socket.emit('message', 'Whatsapp is disconnected!');
+//     fs.unlinkSync(SESSION_FILE_PATH, function(err) {
+//         if(err) return console.log(err);
+//         console.log('Session file deleted!');
+//     });
+//     client.destroy();
+//     client.initialize();
+//   });
+// });
+
+// Send message
+app.post('/send-message', (req, res) => {
+  const sender = req.body.sender;
+  const number = phoneNumberFormatter(req.body.number);
+  const message = req.body.message;
+
+  const client = sessions.find(sess => sess.id == sender).client;
+
+  client.sendMessage(number, message).then(response => {
+    res.status(200).json({
+      status: true,
+      response: response
+    });
+  }).catch(err => {
+    res.status(500).json({
+      status: false,
+      response: err
+    });
+  });
+});
+
+server.listen(port, function() {
+  console.log('App running on *: ' + port);
+});

index.html

@@ -2,15 +2,43 @@
 <html>
 <head>
 	<title>Whatsapp API by Ngekoding</title>
+	<style>
+	.client {
+		border: 1px solid #ccc;
+		padding: 20px;
+		box-sizing: border-box;
+		display: inline-block;
+		margin: 10px;
+	}
+	.hide {
+		display: none;
+	}
+	</style>
 </head>
 <body>
 
 	<div id="app">
 		<h1>Whatsapp API</h1>
 		<p>Powered by Ngekoding</p>
-		<img src="" alt="QR Code" id="qrcode">
+		<div class="form-container">
-		<h3>Logs:</h3>
+			<label for="client-id">ID</label><br>
-		<ul class="logs"></ul>
+			<input type="text" id="client-id" placeholder="Masukkan ID">
+			<br><br>
+			<label for="client-description">Deskripsi</label><br>
+			<textarea rows="3" id="client-description" placeholder="Masukkan deskripsi"></textarea>
+			<br><br>
+			<button class="add-client-btn">Tambah Client</button>
+		</div>
+		<hr>
+		<div class="client-container">
+			<div class="client hide">
+				<h3 class="title"></h3>
+				<p class="description"></p>
+				<img src="" alt="QR Code" id="qrcode">
+				<h3>Logs:</h3>
+				<ul class="logs"></ul>
+			</div>
+		</div>
 	</div>
 
 	<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.min.js" integrity="sha512-bLT0Qm9VnAYZDflyKcBaQ2gg0hSYNQrJ8RilYldYQ1FxQYoCLtUjuuRuZo+fjqhx/qtq/1itJ0C2ejDxltZVFg==" crossorigin="anonymous"></script>
@@ -19,21 +47,38 @@
 		$(document).ready(function() {
 			var socket = io();
 
-			socket.on('message', function(msg) {
+			// Ketika button tambah diklik
-				$('.logs').append($('<li>').text(msg));
+			$('.add-client-btn').click(function() {
+				var clientId = $('#client-id').val();
+				var clientDescription = $('#client-description').val();
+				var template = $('.client').first().clone()
+										   .removeClass('hide')
+										   .addClass(clientId);
+				template.find('.title').html(clientId);
+				template.find('.description').html(clientDescription);
+				$('.client-container').append(template);
+
+				socket.emit('create-session', {
+					id: clientId,
+					description: clientDescription
+				});
 			});
 
-			socket.on('qr', function(src) {
+			socket.on('message', function(data) {
-				$('#qrcode').attr('src', src);
+				$(`.client.${data.id} .logs`).append($('<li>').text(data.text));
-				$('#qrcode').show();
+			});
+
+			socket.on('qr', function(data) {
+				$(`.client.${data.id} #qrcode`).attr('src', data.src);
+				$(`.client.${data.id} #qrcode`).show();
 			});
 
 			socket.on('ready', function(data) {
-				$('#qrcode').hide();
+				$(`.client.${data.id} #qrcode`).hide();
 			});
 
 			socket.on('authenticated', function(data) {
-				$('#qrcode').hide();
+				$(`.client.${data.id} #qrcode`).hide();
 			});
 		});
 	</script>

nodemon.json

@@ -1,3 +1,3 @@
 {
-	"ignore": ["whatsapp-session.json"]
+	"ignore": ["whatsapp-session-*.json"]
 }

package-lock.json

@@ -25,9 +25,9 @@
       }
     },
     "@types/node": {
-      "version": "14.14.6",
+      "version": "14.14.10",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.14.6.tgz",
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       "optional": true
     },
     "@types/yauzl": {
@@ -550,9 +550,9 @@
       "dev": true
     },
     "debug": {
-      "version": "4.2.0",
+      "version": "4.3.1",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-4.2.0.tgz",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.1.tgz",
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@@ -594,9 +594,9 @@
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-      "version": "0.0.809251",
+      "version": "0.0.818844",
-      "resolved": "https://registry.npmjs.org/devtools-protocol/-/devtools-protocol-0.0.809251.tgz",
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     "dicer": {
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@@ -827,11 +827,11 @@
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     },
     "express-validator": {
-      "version": "6.6.1",
+      "version": "6.7.0",
-      "resolved": "https://registry.npmjs.org/express-validator/-/express-validator-6.6.1.tgz",
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+        "lodash": "^4.17.20",
         "validator": "^13.1.1"
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@@ -1593,12 +1593,12 @@
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     "puppeteer": {
-      "version": "5.4.1",
+      "version": "5.5.0",
-      "resolved": "https://registry.npmjs.org/puppeteer/-/puppeteer-5.4.1.tgz",
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         "node-fetch": "^2.6.1",
@@ -1995,14 +1995,14 @@
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-      "version": "2.1.0",
+      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/tar-fs/-/tar-fs-2.1.0.tgz",
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         "pump": "^3.0.0",
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@@ -2176,9 +2176,9 @@
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-      "version": "13.1.17",
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@@ -2186,9 +2186,9 @@
       "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
     },
     "whatsapp-web.js": {
-      "version": "1.11.0",
+      "version": "1.11.1",
-      "resolved": "https://registry.npmjs.org/whatsapp-web.js/-/whatsapp-web.js-1.11.0.tgz",
+      "resolved": "https://registry.npmjs.org/whatsapp-web.js/-/whatsapp-web.js-1.11.1.tgz",
-      "integrity": "sha512-gI9Lm1KmmBimNVL8yviJkfkI5qHaKBM47PYtTY2M97RityARmncLwXwss35aKLirQynOjpFxsFEVo4FhMB+3CQ==",
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       "requires": {
         "@pedroslopez/moduleraid": "^4.1.0",
         "jsqr": "^1.3.1",

package.json

@@ -18,11 +18,11 @@
     "axios": "^0.20.0",
     "express": "^4.17.1",
     "express-fileupload": "^1.2.0",
-    "express-validator": "^6.6.1",
+    "express-validator": "^6.7.0",
     "http": "0.0.1-security",
     "qrcode": "^1.4.4",
     "socket.io": "^2.3.0",
-    "whatsapp-web.js": "^1.11.0"
+    "whatsapp-web.js": "^1.11.1"
   },
   "engines": {
     "node": "v12.10.0"

readme.md

@@ -8,6 +8,7 @@ Watch the tutorials:
 - <a href="https://youtu.be/uBu7Zfba1zA">Whatsapp API Tutorial: Tips & Tricks</a>
 - <a href="https://youtu.be/ksVBXF-6Jtc">Whatsapp API Tutorial: Sending Media File</a>
 - <a href="https://youtu.be/uSzjbuaHexk">Whatsapp API Tutorial: Deploy to Heroku</a>
+- <a href="https://youtu.be/5VfM9PvrYcE">Whatsapp API Tutorial: Multiple Device</a>
 
 ### How to use?
 - Clone or download this repo