Is there a way to check if a user is authenticated with express example?

[chopfitzroy]

Using the express example in the README I would like to check if the user is logged in at the index and if they are not redirect them to /auth/facebook is there a nice way to handle this?

Cheers.

[ffflabs]

You need to enable the Facebook Login script as shown in https://developers.facebook.com/docs/javascript/examples#login

Then, after initialization, check the user login status. If he isn't logged in, then redirect him:

FB.getLoginStatus(function(response) {
  if (response.status === 'connected') {
    console.log('Logged in.');
  }   else {
    location.href = '/auth/facebook';
  }
});