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index.js
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index.js
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const net = require('net');
const { Buffer } = require('buffer');
const crypto = require('crypto');
class PalRCONClient {
constructor(host, port, password) {
this.options = {
host: host,
port: port,
password: password,
};
this.connected = false;
this.authed = false;
this.socket = new net.Socket();
this.id = crypto.randomInt(2147483647);
}
async connect() {
return new Promise((resolve, reject) => {
this.socket = net.createConnection(this.options.port, this.options.host);
this.socket.once('error', () => reject(new Error('Connection error')));
this.socket.once('connect', () => {
this.connected = true;
this.id = crypto.randomInt(2147483647);
this.sendRawCommand(this.options.password, 3)
.then((response) => {
if (Buffer.isBuffer(response) && response.length >= 4) {
const receivedId = response.readUInt32LE(4);
if (receivedId === this.id) {
this.authed = true;
resolve(null);
} else {
this.disconnect();
reject(new Error('Authentication error'));
}
} else {
this.disconnect();
reject(new Error('Invalid response format'));
}
})
.catch((error) => reject(error));
});
this.socket.on('data', (data) => {
// Handle incoming data if needed
});
});
}
async sendRawCommand(data, requestId) {
return new Promise((resolve, reject) => {
if (!this.connected) reject(new Error(`Authentication Error: ${this.options.host}:${this.options.port}`));
const len = Buffer.byteLength(data, 'ascii');
const buffer = Buffer.alloc(len + 14);
buffer.writeInt32LE(len + 4, 0);
buffer.writeInt32LE(this.id, 4);
buffer.writeInt32LE(requestId, 8);
buffer.write(data, 12, 'ascii');
buffer.writeInt16LE(0, 12 + len);
this.socket.write(buffer);
let responseData = Buffer.alloc(0);
const onData = (dataChunk) => {
responseData = Buffer.concat([responseData, dataChunk]);
const responseLength = responseData.readUInt32LE(0);
if (responseLength > 0 && responseData.length >= responseLength) {
this.socket.removeListener('data', onData);
resolve(responseData);
}
};
this.socket.on('data', onData);
this.socket.once('error', (error) => {
this.socket.removeListener('data', onData);
reject(error);
});
});
}
static async Send(clientInstance, command) {
try {
await clientInstance.connect();
const response = await clientInstance.sendRawCommand(command, 2);
return response.subarray(12).toString('utf-8').replace(/\x00|\u0000/g, '');
} catch (error) {
throw new Error(` Instance ${clientInstance.options.host}:${clientInstance.options.port}: ${error.message}`);
} finally {
clientInstance.disconnect();
}
}
static async ShowPlayers(clientInstance) {
try {
await clientInstance.connect();
const response = await clientInstance.sendRawCommand('ShowPlayers', 2);
return response.subarray(12).toString('utf-8').replace(/\x00|\u0000/g, '');
} catch (error) {
throw new Error(`Error for client at ${clientInstance.options.host}:${clientInstance.options.port}: ${error.message}`);
} finally {
clientInstance.disconnect();
}
}
static async Broadcast(clientInstance, message) {
try {
await clientInstance.connect();
let editedMessage = message.replace(/ /g, "_");
const response = await clientInstance.sendRawCommand(`Broadcast ${editedMessage}`, 2);
return response.subarray(12).toString('utf-8').replace(/\x00|\u0000/g, '');
} catch (error) {
throw new Error(`Error for client at ${clientInstance.options.host}:${clientInstance.options.port}: ${error.message}`);
} finally {
clientInstance.disconnect();
}
}
static async Save(clientInstance) {
try {
await clientInstance.connect();
const response = await clientInstance.sendRawCommand('Save', 2);
return response.subarray(12).toString('utf-8').replace(/\x00|\u0000/g, '');
} catch (error) {
throw new Error(`Error for client at ${clientInstance.options.host}:${clientInstance.options.port}: ${error.message}`);
} finally {
clientInstance.disconnect();
}
}
static async ShutDown(clientInstance, time, message) {
try {
await clientInstance.connect();
let editedMessage = message.replace(/ /g, "_");
if (!(/^\d+$/.test(time))) {
throw new Error('Invalid time format. Time must contain only numbers.');
}
const response = await clientInstance.sendRawCommand(`ShutDown ${time} ${editedMessage}`, 2);
return response.subarray(12).toString('utf-8').replace(/\x00|\u0000/g, '');
} catch (error) {
throw new Error(`Error for client at ${clientInstance.options.host}:${clientInstance.options.port}: ${error.message}`);
} finally {
clientInstance.disconnect();
}
}
static async Kick(clientInstance, steamId) {
try {
await clientInstance.connect();
if (!(/^\d+$/.test(steamId))) {
throw new Error('Invalid steamId. steamId must contain only numbers.');
}
const response = await clientInstance.sendRawCommand(`KickPlayer ${steamId}`, 2);
return response.subarray(12).toString('utf-8').replace(/\x00|\u0000/g, '');
} catch (error) {
throw new Error(`Error for client at ${clientInstance.options.host}:${clientInstance.options.port}: ${error.message}`);
} finally {
clientInstance.disconnect();
}
}
static async Ban(clientInstance, steamId) {
try {
await clientInstance.connect();
if (!(/^\d+$/.test(steamId))) {
throw new Error('Invalid steamId. steamId must contain only numbers.');
}
const response = await clientInstance.sendRawCommand(`BanPlayer ${steamId}`, 2);
return response.subarray(12).toString('utf-8').replace(/\x00|\u0000/g, '');
} catch (error) {
throw new Error(`Error for client at ${clientInstance.options.host}:${clientInstance.options.port}: ${error.message}`);
} finally {
clientInstance.disconnect();
}
}
static async checkConnection(clientInstance) {
try {
await clientInstance.connect();
return true;
} catch (error) {
return false;
} finally {
clientInstance.disconnect();
}
}
disconnect() {
this.connected = false;
this.authed = false;
this.socket.end();
}
}
module.exports = { PalRCONClient };