var express = require('express');
var router = express.Router();
const dns = require('dns').promises;

function isExitNode (ip) {
    ip = ip.split('.').reverse().join('.');
    const domain = ip + '.8080.235.126.68.51.ip-port.exitlist.torproject.org'
    console.log(domain);
    return dns.lookup(domain, {}).then(ret => {
	if (ret.address === '127.0.0.2') return true;
	return false;
    }).catch( e => false )
}


router.get('/', (req, res) => {
  const source_ip = req.headers['x-forwarded-for'] || req.connection.remoteAddress;
 
  isExitNode(source_ip).then( isExit => {
	  if (isExit) {
      res.render('torok');
	  } else {
		  res.render('tornook');
	  }
  });
});


module.exports = router;