Websocket shell (node.js)

package.json

{
  "name": "ws-proxy",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "exec": "^0.2.1",
    "ws": "^3.2.0"
  }
}

proxy.js

const WebSocket = require("ws");
const exec = require("exec");
const PORT = 9876;

const wss = new WebSocket.Server({ port: PORT });

wss.on("connection", ws => {
  console.log("New client at ", new Date());
  ws.on("message", message => {
    console.log("received: %s", message);
    exec(message, (err, out, code) => {
      console.log(err, out, code);
      ws.send(out);
    });
  });
});
console.log(`Listen to the  :${PORT}`);