session.rb

require 'rubygems'
require 'mechanize'

class Session
  
  FRIENDS_URL = "http://live.xbox.com/en-US/profile/Friends.aspx"
  
  attr_reader :agent
  
  def initialize
    @agent = WWW::Mechanize.new
    agent.user_agent_alias='Windows IE 7'
  end
  
  def sign_in(username, password) 
    page = agent.get(FRIENDS_URL)
    login = page.form_with(:name => "f1")
    login['login'] = username
    login['passwd'] = password
    login['LoginOptions'] = 2
    page = agent.submit(login)
    page = agent.submit(page.form_with(:name => "fmHF"))
  end
  
  def sign_out
    initialize
  end
  
end