process.binding('http_parser').HTTPParser = require('http-parser-js').HTTPParser;

const https = require('https');
const http = require('http');
const fs = require('fs');
const { Transform } = require('stream');

const server = https.createServer({
  key: fs.readFileSync('server.key'),
  cert: fs.readFileSync('server.cert')
}).listen(443);

server.on('request', (req, res) => {
  const connector = https.request({
    host: '195.28.70.133',
    path: req.url,
    method: req.method,
    headers: req.headers,
  }, (resp) => {
    let first = true;

    const fix = new Transform({
      transform: function transformer(chunk, encoding, callback){
          const strip = first && chunk.readInt8(0);

          first = false;

          process.stdout.write(strip ? 'X' : 'O');

          callback(false, strip ? chunk.slice(1) : chunk);
      }
    });

    resp.pipe(fix).pipe(res);
  });

  req.pipe(connector);
});