Express 4 - Basic HTTP authentication

express_4_basic_auth.js

function authenticate(req, res, next) {
  var auth = require('basic-auth');
  var user = auth(req);
  if (user === undefined || user['name'] !== 'user' || user['pass'] !== 'pass') {
    res.statusCode = 401;
    res.setHeader('WWW-Authenticate', 'Basic realm="Bitte anmelden!"');
    res.end('Unauthorized');
  } else {
    next();
  }
};

app.get('/admin',authenticate,function(req,res){
  // do authenticated things    
});