Passport Authenticate doesn't redirect

Question

I was writing a local-signup strategy and noticed that it doesn\'t work so I stepped back and tried to authenticate against my empty collection. Every time I submit the form it

Answer 1

After a quick look at the documentation for passportjs, I think you need to do something like this:

function processSignup (req, res, next) {
    logger.info("POST request received")
    logger.info(req.body)
    const handler = passport.authenticate('local', {
        successRedirect : '/profile', // redirect to the secure profile section
        failureRedirect : '/signup', // redirect back to the signup page if there is an error
        failureFlash : true // allow flash messages
    });
    handler(req, res, next);
}

passport.authenticate() returns a function that is meant to be used as the route handler function.
Normally, you would type something like:

app.post('/login', passport.authenticate('local', {
  successRedirect: '/',
  failureRedirect: '/login',
  failureFlash: true 
}));

But since you have abstracted with your own route handler function, you need to invoke the one returned from passport.authenticate().

Answer 2

In the end Mikael Lennholm was right and he pointed me into the right direction. I couldn't find that in any passport.js tutorials. However the passport.js documentation contains this code snippet which represents the same but I prefer it's code style:

passport.authenticate('local', function(err, user, info) {
    if (err) { return next(err); }
    if (!user) { return res.redirect('/login'); }
    req.logIn(user, function(err) {
      if (err) { return next(err); }
      return res.redirect('/users/' + user.username);
    });
  })(req, res, next);