login from http basic authcation

application_controller.rb

class ApplicationController < ActionController::Base
  USER_NAME, PASSWORD = "xx", "secret"
  protect_from_forgery                        
  before_filter :login_from_http_auth
  
  
  protected
  def login_from_http_auth
    authenticate_or_request_with_http_basic do |user_name, password|
      user_name == USER_NAME && password == PASSWORD
    end
  end
  
end