initial greeting

krypton.js

@@ -4,7 +4,7 @@ const {
 const { Collection } = require('discord.js')
 const { readdirSync } = require('fs')
 const { join } = require('path')
-const { start, success, getGroupAdmins } = require('./utils/functions')
+const { start, success, getGroupAdmins, getBuffer } = require('./utils/functions')
 const { color } = require('./utils/color')
 const fs = require('fs')
 const moment = require('moment-timezone')
@@ -44,6 +44,36 @@ async function krypton () {
     await client.connect({ timeoutMs: 30 * 1000 })
     fs.writeFileSync('./sessions/krypton-sessions.json', JSON.stringify(client.base64EncodedAuthInfo(), null, '\t'))
 
+        await client.on('group-participants-update', async (greeting) => {
+		try {
+			const mdata = await client.groupMetadata(greeting.jid)
+			console.log(greeting)
+			if (greeting.action == 'add') {
+				num = greeting.participants[0]
+				try {
+					ppimg = await client.getProfilePicture(`${greeting.participants[0].split('@')[0]}@c.us`)
+				} catch {
+					ppimg = 'https://i0.wp.com/www.gambarunik.id/wp-content/uploads/2019/06/Top-Gambar-Foto-Profil-Kosong-Lucu-Tergokil-.jpg'
+				}
+				teks = `Halo @${num.split('@')[0]}\nSelamat datang di group *${mdata.subject}*`
+				let buff = await getBuffer(ppimg)
+				client.sendMessage(mdata.id, buff, MessageType.image, {caption: teks, contextInfo: {"mentionedJid": [num]}})
+			} else if (greeting.action == 'remove') {
+				num = greeting.participants[0]
+				try {
+					ppimg = await client.getProfilePicture(`${num.split('@')[0]}@c.us`)
+				} catch {
+					ppimg = 'https://i0.wp.com/www.gambarunik.id/wp-content/uploads/2019/06/Top-Gambar-Foto-Profil-Kosong-Lucu-Tergokil-.jpg'
+				}
+				teks = `Sayonara @${num.split('@')[0]}👋`
+				let buff = await getBuffer(ppimg)
+				client.sendMessage(mdata.id, buff, MessageType.image, {caption: teks, contextInfo: {"mentionedJid": [num]}})
+			}
+		} catch (e) {
+			console.log('Error : %s', color(e, 'red'))
+		}
+	})
+
     await client.on('chat-update', async (chat) => {
         client.pingStart = Date.now()
         if (!chat.hasNewMessage) return

package.json

@@ -39,7 +39,8 @@
     "chalk": "^4.1.0",
     "discord.js": "^12.5.1",
     "auto-changelog": "^2.2.1",
-    "moment-timezone": "^0.5.32"
+    "moment-timezone": "^0.5.32",
+    "axios": "^0.21.1"
   },
   "devDependencies": {
     "babel-eslint": "^10.1.0",

sessions/krypton-sessions.json

@@ -1,7 +1,7 @@
 {
 	"clientID": "GKLkqJPLYevrdohE3aqyLw==",
-	"serverToken": "1@QL4rgcQ89akLLPCYg86qxTB8W/FBcnyB9vUEAkPs/FiKCFKf3JaXzFTc6B9ZpWGuOcisR+YGk5GEnw==",
-	"clientToken": "zYkyJ4MFUHP9wz5ODkIdqVLKi0wrPAIPhe1rm9KmycQ=",
+	"serverToken": "1@WxZP0VHxcykw4RJn8n0t2Uwcon5mN+geQYFh7afidl6NbYTPPg8oiWpcivEGRutU09R3y1SuaX2RHA==",
+	"clientToken": "jpvlOk7NZFZavIKJW8dce8fnKX8tsxFpOaqUikeXRxE=",
 	"encKey": "XmgE05UerNZpLDE2RFvE8/E4jnAkN+DGhib2P1R/gQY=",
 	"macKey": "ruFSFvGXjPPEfH00mvd6sYSJIEuAz1OPB5kK0x1c/Vo="
 }

utils/functions.js

@@ -1,5 +1,6 @@
 const Spin = require('spinnies')
 const moment = require('moment-timezone')
+const axios = require('axios')
 
 const spinner = {
     interval: 120,
@@ -54,9 +55,29 @@ const getGroupAdmins = (participants) => {
 	return admins
 }
 
+const getBuffer = async (url, options) => {
+	try {
+		options ? options : {}
+		const res = await axios({
+			method: "get",
+			url,
+			headers: {
+				'DNT': 1,
+				'Upgrade-Insecure-Request': 1
+			},
+			...options,
+			responseType: 'arraybuffer'
+		})
+		return res.data
+	} catch (e) {
+		console.log(`Error : ${e}`)
+	}
+}
+
 module.exports = {
     start,
     success,
     processTime,
-    getGroupAdmins
+    getGroupAdmins,
+    getBuffer
 }