def provide_login_html(env)
      request = ::Rack::Request.new(env)
      html = login_html(env, :url => request['url'], :session_expired => request['session_expired'])

      html_response(html).finish
    end
def provide_login_html(env)
      request = ::Rack::Request.new(env)
      html = login_html(env, :url => request['url'], :session_expired => request['session_expired'])

      html_response(html).finish
    end
An HTML form for logging in.

 @param env the Rack environment
 @return a finished Rack response