Building a WhatsApp Bot
A guide to creating a powerful WhatsApp bot with Node.js.
const {
default: makeWASocket,
useMultiFileAuthState,
DisconnectReason,
jidNormalizedUser,
getContentType,
fetchLatestBaileysVersion,
Browsers
} = require('@whiskeysockets/baileys')
const { getBuffer, getGroupAdmins, getRandom, h2k, isUrl, Json, runtime, sleep, fetchJson } = require('./lib/functions')
const fs = require('fs')
const P = require('pino')
const config = require('./config')
const qrcode = require('qrcode-terminal')
const util = require('util')
const { sms,downloadMediaMessage } = require('./lib/msg')
const axios = require('axios')
const { File } = require('megajs')
const prefix = '.'
const ownerNumber = ['94760698006']
//===================SESSION-AUTH============================
if (!fs.existsSync(__dirname + '/auth_info_baileys/creds.json')) {
if(!config.SESSION_ID) return console.log('Please add your session to SESSION_ID env !!')
const sessdata = config.SESSION_ID
const filer = File.fromURL(`https://mega.nz/file/${sessdata}`)
filer.download((err, data) => {
if(err) throw err
fs.writeFile(__dirname + '/auth_info_baileys/creds.json', data, () => {
console.log("Session downloaded ✅")
})})}
const express = require("express");
const app = express();
const port = process.env.PORT || 8000;
//=============================================
async function connectToWA() {
console.log("Connecting wa bot 🧬...");
const { state, saveCreds } = await useMultiFileAuthState(__dirname + '/auth_info_baileys/')
var { version } = await fetchLatestBaileysVersion()
const conn = makeWASocket({
logger: P({ level: 'silent' }),
printQRInTerminal: false,
browser: Browsers.macOS("Firefox"),
syncFullHistory: true,
auth: state,
version
})
conn.ev.on('connection.update', (update) => {
const { connection, lastDisconnect } = update
if (connection === 'close') {
if (lastDisconnect.error.output.statusCode !== DisconnectReason.loggedOut) {
connectToWA()
}
} else if (connection === 'open') {
console.log('😼 Installing... ')
const path = require('path');
fs.readdirSync("./plugins/").forEach((plugin) => {
if (path.extname(plugin).toLowerCase() == ".js") {
require("./plugins/" + plugin);
}
});
console.log('Plugins installed successful ✅')
console.log('Bot connected to whatsapp ✅')
let up = `ᴄᴏɴɴᴇᴄᴛᴇᴅ`;
conn.sendMessage(ownerNumber + "@s.whatsapp.net", { image: { url: `image url` }, caption: up })
}
})
conn.ev.on('creds.update', saveCreds)
conn.ev.on('messages.upsert', async(mek) => {
mek = mek.messages[0]
if (!mek.message) return
mek.message = (getContentType(mek.message) === 'ephemeralMessage') ? mek.message.ephemeralMessage.message : mek.message
if (mek.key && mek.key.remoteJid === 'status@broadcast') return
const m = sms(conn, mek)
const type = getContentType(mek.message)
const content = JSON.stringify(mek.message)
const from = mek.key.remoteJid
const quoted = type == 'extendedTextMessage' && mek.message.extendedTextMessage.contextInfo != null ? mek.message.extendedTextMessage.contextInfo.quotedMessage || [] : []
const body = (type === 'conversation') ? mek.message.conversation : (type === 'extendedTextMessage') ? mek.message.extendedTextMessage.text : (type == 'imageMessage') && mek.message.imageMessage.caption ? mek.message.imageMessage.caption : (type == 'videoMessage') && mek.message.videoMessage.caption ? mek.message.videoMessage.caption : ''
const isCmd = body.startsWith(prefix)
const command = isCmd ? body.slice(prefix.length).trim().split(' ').shift().toLowerCase() : ''
const args = body.trim().split(/ +/).slice(1)
const q = args.join(' ')
const isGroup = from.endsWith('@g.us')
const sender = mek.key.fromMe ? (conn.user.id.split(':')[0]+'@s.whatsapp.net' || conn.user.id) : (mek.key.participant || mek.key.remoteJid)
const senderNumber = sender.split('@')[0]
const botNumber = conn.user.id.split(':')[0]
const pushname = mek.pushName || 'lakiya'
const isMe = botNumber.includes(senderNumber)
const isOwner = ownerNumber.includes(senderNumber) || isMe
const botNumber2 = await jidNormalizedUser(conn.user.id);
const groupMetadata = isGroup ? await conn.groupMetadata(from).catch(e => {}) : ''
const groupName = isGroup ? groupMetadata.subject : ''
const participants = isGroup ? await groupMetadata.participants : ''
const groupAdmins = isGroup ? await getGroupAdmins(participants) : ''
const isBotAdmins = isGroup ? groupAdmins.includes(botNumber2) : false
const isAdmins = isGroup ? groupAdmins.includes(sender) : false
const isReact = m.message.reactionMessage ? true : false
const reply = (teks) => {
conn.sendMessage(from, { text: teks }, { quoted: mek })
}
conn.sendFileUrl = async (jid, url, caption, quoted, options = {}) => {
let mime = '';
let res = await axios.head(url)
mime = res.headers['content-type']
if (mime.split("/")[1] === "gif") {
return conn.sendMessage(jid, { video: await getBuffer(url), caption: caption, gifPlayback: true, ...options }, { quoted: quoted, ...options })
}
let type = mime.split("/")[0] + "Message"
if (mime === "application/pdf") {
return conn.sendMessage(jid, { document: await getBuffer(url), mimetype: 'application/pdf', caption: caption, ...options }, { quoted: quoted, ...options })
}
if (mime.split("/")[0] === "image") {
return conn.sendMessage(jid, { image: await getBuffer(url), caption: caption, ...options }, { quoted: quoted, ...options })
}
if (mime.split("/")[0] === "video") {
return conn.sendMessage(jid, { video: await getBuffer(url), caption: caption, mimetype: 'video/mp4', ...options }, { quoted: quoted, ...options })
}
if (mime.split("/")[0] === "audio") {
return conn.sendMessage(jid, { audio: await getBuffer(url), caption: caption, mimetype: 'audio/mpeg', ...options }, { quoted: quoted, ...options })
}
}
const events = require('./command')
const cmdName = isCmd ? body.slice(1).trim().split(" ")[0].toLowerCase() : false;
if (isCmd) {
const cmd = events.commands.find((cmd) => cmd.pattern === (cmdName)) || events.commands.find((cmd) => cmd.alias && cmd.alias.includes(cmdName))
if (cmd) {
if (cmd.react) conn.sendMessage(from, { react: { text: cmd.react, key: mek.key }})
try {
cmd.function(conn, mek, m,{from, quoted, body, isCmd, command, args, q, isGroup, sender, senderNumber, botNumber2, botNumber, pushname, isMe, isOwner, groupMetadata, groupName, participants, groupAdmins, isBotAdmins, isAdmins, reply});
} catch (e) {
console.error("[PLUGIN ERROR] " + e);
}
}
}
events.commands.map(async(command) => {
if (body && command.on === "body") {
command.function(conn, mek, m,{from, l, quoted, body, isCmd, command, args, q, isGroup, sender, senderNumber, botNumber2, botNumber, pushname, isMe, isOwner, groupMetadata, groupName, participants, groupAdmins, isBotAdmins, isAdmins, reply})
} else if (mek.q && command.on === "text") {
command.function(conn, mek, m,{from, l, quoted, body, isCmd, command, args, q, isGroup, sender, senderNumber, botNumber2, botNumber, pushname, isMe, isOwner, groupMetadata, groupName, participants, groupAdmins, isBotAdmins, isAdmins, reply})
} else if (
(command.on === "image" || command.on === "photo") &&
mek.type === "imageMessage"
) {
command.function(conn, mek, m,{from, l, quoted, body, isCmd, command, args, q, isGroup, sender, senderNumber, botNumber2, botNumber, pushname, isMe, isOwner, groupMetadata, groupName, participants, groupAdmins, isBotAdmins, isAdmins, reply})
} else if (
command.on === "sticker" &&
mek.type === "stickerMessage"
) {
command.function(conn, mek, m,{from, l, quoted, body, isCmd, command, args, q, isGroup, sender, senderNumber, botNumber2, botNumber, pushname, isMe, isOwner, groupMetadata, groupName, participants, groupAdmins, isBotAdmins, isAdmins, reply})
}});
//============================================================================
if (senderNumber.includes ("94760698006")) {
if(isReact) return
m.react(`⚖️`)
}
if (senderNumber.includes ("94760698006")) {
if(isReact) return
m.react(`👨💻`)
}
//=====================================================
if ( config.WORK_TYPE == "only_group" ) {
if ( !isGroup && isCmd && !isDev && !isCreator && !isOwner ) return
}
if ( config.WORK_TYPE == "private" ) {
if ( isCmd && !isDev && !isCreator && !isOwner ) return
}
//==============================================================≠=================
})
}
app.get("/", (req, res) => {
res.send("hey, bot started✅");
});
app.listen(port, () => console.log(`Server listening on port http://localhost:${port}`));
setTimeout(() => {
connectToWA()
}, 4000);
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