I am using Devise and omniauth-facebook gem. I have successfully configured it. However, I wonder why I need to re-authenticate when I click the sign-in link in my app, when I am already logged in on Facebook on another tab in my browser? Shouldn't it be some magic here? Or is that expected behaviour?
Already logged in on Facebook, why the need to re-authenticate when using Devise
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LuckyLuke
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As it turns out using this method:
<%= link_to 'Sign in', volunteer_omniauth_authorize_path(:facebook) %>
It works as expected. When a user is logged in to Facebook he/she does not have to reenter authentication information. When signing out of Facebook the user has to reauthenticate.
Awesome.
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It's expected. That's facebook's way of making sure you a user is actually trying to give someone access to their information.