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server.js
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server.js
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const WebSocket = require("ws")
const fetch = require('node-fetch')
const Protocol = require('./protocol')
const Messages = require('./messages')
const Repacker = require('./repacker')
const Config = require('./Config.json')
const colors = require('colors')
const figlet = require('figlet');
const Player = {
Client: null,
socket: null
}
class AgarIO {
constructor(_callback) {
this.version = ''
this.versionInt = 0
this.ProtocolVersion = 0
this.getVersion()
}
async getVersion() {
const req = await fetch('https://agar.io/mc/agario.js')
const res = await req.text()
this.version = res.match(/var\sversionString="(\d.\d.\d)";/)[1]
this.versionInt = Protocol.versionStringToInt(this.version)
this.getProtocolVersion()
}
async getProtocolVersion() {
const req = await fetch('https://agar.io/agario.core.js')
const res = await req.text()
this.ProtocolVersion = res.match(/\w\[\w\+\d+>>\d\]=\w;\w+\(\w,(\d+)\);/)[1]
startProxy()
}
}
const Agar = new AgarIO()
class AgarPlayer {
constructor(server) {
this.server = server
this.socket = null
this.cells = {}
this.MyCells = {}
this.encryptionKey = 0
this.decryptionKey = 0
this.movementKey = 0
this.removeNodes = {}
this.borders = {
minx: 0,
miny: 0,
maxx: 0,
maxy: 0,
isOffset: false
}
this.leaderboard = []
this.host = server.match(/wss:\/\/(live-arena.+.agar.io).+/)[1]
this.MyName = ''
this.connect()
}
connect() {
this.socket = new WebSocket(this.server)
this.socket.binaryType = 'arraybuffer'
this.socket.onopen = this.onopen.bind(this)
this.socket.onmessage = this.onmessage.bind(this)
this.socket.onerror = this.onerror.bind(this)
this.socket.onclose = this.onclose.bind(this)
}
send(packet, sendEncrypted) {
if (this.socket.readyState == WebSocket.OPEN) {
if (sendEncrypted) {
packet = Protocol.xorBuffer(packet, this.encryptionKey)
this.encryptionKey = Protocol.rotateKey(this.encryptionKey)
this.socket.send(packet)
} else {
this.socket.send(packet)
}
}
}
sendSpawn(name) {
this.send(Messages.ClientSide.spawnPacket(name), true)
}
sendMove(x, y) {
this.send(Messages.ClientSide.moveTo(x, y, this.movementKey), true)
}
sendSpectate() {
this.send(Messages.ClientSide.sendSpectate(), true)
}
sendSplit() {
this.send(Messages.ClientSide.sendSplit(), true)
}
sendEject() {
this.send(Messages.ClientSide.sendEject(), true)
}
onopen() {
this.send(Messages.ClientSide.ProtocolVersion(Agar.ProtocolVersion), false)
this.send(Messages.ClientSide.SendVersionInt(Agar.versionInt), false)
}
onmessage(packet) {
let Packet = new DataView(Protocol.xorBuffer(new Uint8Array(packet.data), this.decryptionKey).buffer)
let off = 0
const OpCode = Packet.getUint8(off++)
switch (OpCode) {
case 53:
case 54:
this.leaderboard = Messages.ServerSide.HandlePartyLeaderboard(Packet, 1, this.MyName)
Player.socket.send(Repacker.RepackLeaderboard(this.leaderboard))
break
case 17:
Player.socket.send(Packet.buffer)
break
case 32:
this.MyCells = Messages.ServerSide.HandleMyCells(this.MyCells, Packet)
Player.socket.send(Packet.buffer)
break
case 241:
const response = Messages.ServerSide.HandlePacket241(Packet, Agar.versionInt, this.host)
this.encryptionKey = response.encryptionKey
this.decryptionKey = response.decryptionKey
this.movementKey = response.movementKey
break
case 255:
Packet = new DataView(new Uint8Array(Protocol.uncompressMessage(new Uint8Array(Packet.buffer).slice(5), [])).buffer)
switch (Packet.getUint8(0)) {
case 16:
const response = Messages.ServerSide.HandleWorldUpdate(this.cells, this.MyCells, this.removeNodes, Packet, 1)
this.cells = response.cells
this.MyCells = response.MyCells
this.removeNodes = response.removeNodes
Player.socket.send(Repacker.RepackWorldUpdate(this.cells, this.removeNodes))
this.removeNodes = {}
break
case 64:
this.borders = Messages.ServerSide.HandleBorderUpdate(this.borders, Packet, 1)
this.borders.isOffset ? Player.socket.send(Packet.buffer) : false
break
}
break
}
}
onclose() {}
onerror() {}
}
const startProxy = () => {
new WebSocket.Server({
port: Config.port
}).on('connection', ws => {
ws.on('message', msg => {
const OpCode = msg.readUInt8(0)
switch (OpCode) {
case 254:
Player.Client = new AgarPlayer(Config.server)
Player.socket = ws
break
case 1:
Player.Client.sendSpectate()
break
case 0:
let name = ''
let off = 1
for (let i = 0; i < (msg.byteLength - 1) / 2; i++) name += String.fromCharCode(msg.readUInt16LE(off)), off += 2
Player.Client.MyName = name
Player.Client.sendSpawn(name)
break
case 17:
Player.Client.sendSplit()
break
case 21:
Player.Client.sendEject()
break
case 16:
let x, y = 0
switch (msg.byteLength) {
case 13:
x = msg.readInt32LE(1)
y = msg.readInt32LE(5)
break
case 21:
x = msg.readDoubleLE(1)
y = msg.readDoubleLE(9)
break
}
Player.Client.sendMove(x, y)
break
}
})
ws.on('close', () => {})
})
}
figlet('Malvads-Repacker', function (err, data) {
if (err) {
console.dir(err);
return;
}
console.log(colors.green(data))
console.log('')
console.log('[!] https://github.com/Malvads/')
console.log(colors.green('[!] This tool has been developed by Malvads (' + colors.red('TheGexi') + ')'))
console.log(colors.green('[!] Proxy Server Port: ' + Config.port))
console.log(colors.green('[!] Proxy Server Pointing To: ' + Config.server))
console.log(colors.green('[!] You are now ready :) enjoy!'))
});