lightsword
Version:
LightSword Secure SOCKS5 Proxy / iOS VPN Server
53 lines (52 loc) • 2.6 kB
JavaScript
//-----------------------------------
// Copyright(c) 2015 Neko
//-----------------------------------
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator.throw(value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments)).next());
});
};
const net = require('net');
const crypto = require('crypto');
const cryptoEx = require('../../common/cipher');
const speedstream_1 = require('../../lib/speedstream');
function connect(client, rawData, dst, options) {
let proxySocket = net.createConnection(dst.port, dst.addr, () => __awaiter(this, void 0, void 0, function* () {
console.log(`connecting: ${dst.addr}:${dst.port}`);
let reply = rawData.slice(0, rawData.length);
reply[0] = 0x05;
reply[1] = 0x00;
var encryptor = cryptoEx.createCipher(options.cipherAlgorithm, options.password);
let cipherHandshake = encryptor.cipher;
let iv = encryptor.iv;
let pl = Number((Math.random() * 0xff).toFixed());
let el = new Buffer([pl]);
let pd = crypto.randomBytes(pl);
let er = cipherHandshake.update(Buffer.concat([el, pd, reply]));
yield client.writeAsync(Buffer.concat([iv, er]));
let decipher = cryptoEx.createDecipher(options.cipherAlgorithm, options.password, options.iv);
let cipher = cryptoEx.createCipher(options.cipherAlgorithm, options.password, iv).cipher;
let speed = options.speed;
let streamIn = speed > 0 ? client.pipe(new speedstream_1.SpeedStream(speed)) : client;
streamIn.pipe(decipher).pipe(proxySocket);
let streamOut = speed > 0 ? proxySocket.pipe(new speedstream_1.SpeedStream(speed)) : proxySocket;
streamOut.pipe(cipher).pipe(client);
}));
function dispose(err) {
if (err)
console.info(err.message);
client.dispose();
proxySocket.dispose();
}
proxySocket.on('error', dispose);
proxySocket.on('end', dispose);
client.on('error', dispose);
client.on('end', dispose);
proxySocket.setTimeout(options.timeout * 1000);
client.setTimeout(options.timeout * 1000);
}
exports.connect = connect;