require 'sinatra/base'

module Sinatra
  module ResponseHeaderHelpers
    def allow(*methods)
      response.headers['Allow'] = methods.join(", ").upcase
    end
    
    def challenge(realm)
      response.headers['WWW-Authenticate'] = realm
    end
  
    def location(location)
      response.headers['Location'] = location
    end
  end

  helpers ResponseHeaderHelpers
end