```ruby
Spree::OrdersController.class_eval do

  def check_authorization
    session[:access_token] = params[:token] if params[:token]
    order = Spree::Order.find_by_number(params[:id]) || current_order

    #if url has ship_address_id we don't need token because it comes from the link in order confirm E-mail
    if order != nil and params[:ship_address_id] == order.ship_address_id.to_s
      session[:access_token] = order.token
    end

    if order
      authorize! :edit, order, session[:access_token]
    else
      authorize! :create, Spree::Order.new
    end
  end
end
```

Allow guests to look up order with their email
user
```ruby
Spree::OrdersController.class_eval do

  def check_authorization
    session[:access_token] = params[:token] if params[:token]
    order = Spree::Order.find_by_number(params[:id]) || current_order

    #if url has ship_address_id we don't need token because it comes from the link in order confirm E-mail
    if order != nil and (params[:email] == order.email or params[:ship_address_id] == order.ship_address_id.to_s)
      session[:access_token] = order.token
    else
      flash[:error] = "입력하신 정보가 정확하지 않습니다"
      redirect_to login_path and return
    end

    if order
      authorize! :edit, order, session[:access_token]
    else
      authorize! :create, Spree::Order.new
    end
  end
end
```
assistant