pulibrary / pdc_describe / 4e4e59fc-9df4-4838-9fd4-6c7ea33cdb7c

class Users::OmniauthCallbacksController < Devise::OmniauthCallbacksController

  def cas

    @user = User.from_cas(request.env["omniauth.auth"])

    if @user.nil?

      redirect_to root_path

      flash[:notice] = "You are not authorized"

    else

      sign_in_and_redirect @user, event: :authentication # this will throw if @user is not activated

      if is_navigational_format?

        set_flash_message(:notice, :success, kind: "from Princeton Central Authentication Service")

      end

    end

  end

end