utroamにloginするscript

login_utroam.rb

#!/usr/bin/ruby

require 'rubygems'
require 'mechanize'
require 'kconv'
require "pit"

username , password = ARGV

if (config = Pit.get("utroam-password")) == {} then
  if ARGV.length < 2 then
    print "username >"
    username = $stdin.gets.chop
    print "password >"
    system "stty -echo"
    password = $stdin.gets.chop
    system "stty echo"
  end
  Pit.set("utroam-password",:data => {"username"=>username, "pass" =>password})
  p ""
elsif ARGV.length < 2
  username , password = config["username"] , config["pass"]
end

agent = Mechanize.new
login_page = agent.get(URI.parse('https://wl-sw2.nc.u-tokyo.ac.jp/upload/custom/defender/login.htm'))
login_page.forms[0].field_with(:name => 'user').value = username
login_page.forms[0].field_with(:name => 'password').value = password
login_page.forms[0].click_button