gistfile1.rb

module Authenticator
  class Authentication

    def initialize(app, options = {})
      @app, @options = app, options
    end

    def call(env)
      if authenticated?
        @app.call(env)
      else

        # Read the body before returning data to passenger
        env['rack.input'].read(1)
        env['rack.input'].rewind

        [
          401,
          {
            'Content-Type'=>'text/plain',
            'Content-Length' => '0',
            'WWW-Authenticate' => 'Basic realm="App"'
          },
          []
        ]
      end
    end

    def authenticated?
    false
    end
  end
end