有人碰到过吗

module ApplicationCable
  class Channel < ActionCable::Channel::Base
    identified_by :current_user

    def connect
      self.current_user = find_verified_user
    end

    private
    def find_verified_user
      if verified_user = User.find_by(id: cookies.signed[:user_id])
        verified_user
      else
        reject_unauthorized_connection
      end
    end

  end
end