app/controllers/application_controller.rb


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class ApplicationController < ActionController::Base
  protect_from_forgery with: :null_session

  require 'sso'

  before_action :current_user

  protected

  def current_user
    @current_user ||= User.find_by(external_id: session[:current_user]) if session[:current_user].present?
  end
  helper_method :current_user
end