automator for login to wellsfargo

wells_fargo.rb

require 'mechanize'
require 'open-uri'

module WellsFargo
  SIGNIN_URI = URI 'https://www.wellsfargo.com'
  class Authenticator
    attr_reader :agent, :account_page, :signin_form, :username_field, :password_field, :submit_button

    def initialize username, password
      @username, @password = username, password
      @agent = Mechanize.new do |agent|
        agent.follow_meta_refresh = true
        agent.user_agent_alias = 'Mac Safari'
      end
      @signin_page = @agent.get WellsFargo::SIGNIN_URI
      @signin_form = @signin_page.forms.select {|f| f.name == "signon" }.first
      @username_field = @signin_form.fields.select {|f| f.name == 'userid' }.first
      @password_field = @signin_form.fields.select {|f| f.name == 'password' }.first
      @submit_button = @signin_form.buttons.select {|b| b.name = "btnSignon" }.first
    end

    def signin
      @username_field.value = @username
      @password_field.value = @password
      @signin_form.submit
      # Submitting the form takes us to a page with a javascript for refresh, so we want to manually 
      # fetch that page to view our account:
      @account_page = @agent.get 'https://online.wellsfargo.com/das/cgi-bin/session.cgi?screenid=SIGNON_PORTAL_PAUSE'
    end

    def cash_balance
      page = signin
      div = page.parser.css '#cashTotalAvailBalance'
      div.children.first.text.strip
    end
  end
end


if ARGV.length == 2
  wf = WellsFargo::Authenticator::new ARGV[0], ARGV[1]
  puts
  puts "********* Wells Fargo Account for #{ ARGV[0] } *********"
  puts
  puts "    Cash Balance = #{ wf.cash_balance }"
  puts
  puts
else
  puts "You must specify your Wells Fargo username and password as the two command line arguments"
end

This is a command-line utility for checking on your Wells Fargo bank account.