Make sub-requests in Rails 2.3

subrequest_helper.rb

# PH'NGLUI MGLW'NAFH!
# IA IA IA!
module SubrequestHelper
  def get_subrequest_for_uri( uri )
    sub_env = request.env.dup
    sub_env['REQUEST_URI'] = uri
    sub_env['REQUEST_METHOD'] = 'GET'
    sub_env['rack.input'] = StringIO.new("")
    sub_env.delete('QUERY_STRING')
    sub_env.delete_if { |k,v| k =~ /^action_controller/ }
    ActionController::Routing::Routes.call(sub_env)[2]
  end
end