server.js

// http://restify.com/
var restify = require('restify');
var fs = require('fs');
var server = restify.createServer({
  certificate: fs.readFileSync('f:\\openssl\\key-cert.pem'),
  key: fs.readFileSync('f:\\openssl\\key.pem'),
  name: 'MyApp',
});

var dbr = require('./build/Release/dbr');

server.use(restify.bodyParser());

server.get(/.*/, restify.serveStatic({
  directory: __dirname,
  default: 'index.html'
}));

server.post('/dbr', function create(req, res, next) {
  // console.log(req);
  fs.writeFile("log.txt", req.body, function(err) {
    if (err) {
      return console.log(err);
    }

    console.log("Base64 saved!");
  });

  var data = new Buffer(req.body, 'base64');
  var file = __dirname + '/' + new Date().getTime() + '.png';
  // var file = __dirname + '/' + 'test.png';

  fs.writeFile(file, data, function(err) {
    dbr.decodeFile(
      file,
      function(msg) {
        fs.unlink(file, function(err) {
          console.log('Removed cached: ' + file);
        });

        var final_result = "";
        var hasResult = false;
        for (index in msg) {
          hasResult = true;
          var result = msg[index]
          final_result += "value: " + result['value'] + "; ";
          console.log(result['format']);
          console.log(result['value']);
          console.log("##################");
        }

        if (!hasResult) {
          final_result = "No barcode detected. ";
        }
        
        final_result += new Date();
        
        res.send(200, final_result);
        next();
      }
    );
  });
});

server.listen(8080, function() {
  console.log('REST server listening at %s', server.url);
});