Reliance broadband autologin (suitable for run in cron)

reliance-login.rb

#!/usr/bin/ruby

require 'optparse'
require 'net/http'
require 'uri'

class RelianceLogin
  def self.login(args)
    opt = {}
    opt[:host]='220.224.142.229'
    opt[:timeout]=10

    op = OptionParser.new do |op|
      op.banner = "Usage: #{__FILE__} [options]"
      op.separator ""

      op.on("-h", "--host HOST", "Login HOST [#{opt[:host]}]") do |h|
        opt[:host] = h
      end

      op.on("-a", "--auth AUTH", "Login USER:PASSWORD") do |a|
        opt[:auth] = a
      end

      op.on("-t", "--timeout SECONDS", "Timeout for operations") do |t|
        opt[:timeout] = t.to_i
      end

      op.on_tail("-h", "--help", "Show this message") do
        puts op
        exit
      end
    end

    begin
      op.parse!(args)

      raise OptionParser::MissingArgument, "-a, no auth given."\
        if not opt[:auth]

      uri = URI("http://#{opt[:host]}")

      ua = {'User-Agent' => 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)'}

      http = Net::HTTP.new(uri.host, uri.port)
      http.read_timeout = opt[:timeout]

      res = http.get('/reliance/startportal_isg.do?CPURL=http://www.google.com', ua)

      cookies = res.get_fields('set-cookie')
      send_cookies = []
      cookies.each do |c|
          send_cookies.push(c.split('; ')[0])
      end
      send_cookies = send_cookies.join("; ")

      if res.body =~ /logout.do/
        puts "#{Time.now.to_s} Already logged in"
        exit
      end

      user, pass = opt[:auth].split(/:/)

      req = Net::HTTP::Post.new('/reliance/login.do?action=doLoginSubmit')

      req['Cookie'] = send_cookies
      req['User-Agent'] = ua['User-Agent']
      req.set_form_data('userId' => user, 'password' => pass)

      res = http.request req

      if res.body =~ /logout.do/
        puts "#{Time.now.to_s} Login successful"
      else
        puts "#{Time.now.to_s} Login failed"
      end
    rescue SystemExit
      exit
    rescue Exception => e
      puts "#{Time.now.to_s} Exception #{e.class} #{e.message}"
      exit
    end
  end
end

RelianceLogin.login(ARGV)