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  51
 
class ApplicationController < ActionController::Base
 
    before_filter :require_login
 
    def require_login
        if authenticated?
            create_new_authentication()
 
            unless controller_name == 'chat'
                redirect_to chat_path
            end
        else
            unless controller_name == 'sessions' && (action_name == 'new' || action_name == 'create')
                redirect_to root_url, flash: {error: I18n.t('login.access-denied')}
            end
        end
    end
 
    protected
 
    def authenticated?
        @token = Token.authenticate(session)
    end
 
    def create_new_authentication(jid = nil)
        if @token
            user_id = @token.user_id
            @token.delete
        else
            user_id = jid.nil? ? nil : create_new_user(jid)
        end
 
        @token = Token.new
 
        save_session(user_id)
    end
 
    def save_session(user_id)
        session[:token] = Token.generate_token()
        session[:created_at] = Time.now
        session[:ip] = request.remote_ip
 
        @token.save_session(session, user_id)
    end
 
    def create_new_user(jid)
        user = User.new(jid: jid)
        user.id if user.save
    end
end