PR-400のIPアドレス変化通知メールをリアルタイム検知

ipaddress_imap.rb

#!/usr/bin/ruby
# -*- coding: utf-8 -*-

require 'net/imap'
require 'kconv'

Net::IMAP::debug = true

imap = Net::IMAP.new('imap.gmail.com', 993, true)
imap.login('hoge@gmail.com', 'pass')


#imap.select 'INBOX'
imap.examine 'INBOX'

$last_ip_uid = -1

while true

  imap.idle do | resp | 
    p resp
    p resp.name
    p resp.data
    p resp.methods

    if resp.kind_of?(Net::IMAP::UntaggedResponse) and resp.name == "EXISTS"
      puts "Mailbox now has #{resp.data} messages"
      imap.idle_done()
    end

  end

  last_uid = imap.status('INBOX', ["MESSAGES"])["MESSAGES"]

  puts "UID: #{last_uid}"

  envelope = imap.fetch(last_uid, "ENVELOPE")[0].attr["ENVELOPE"]

  from = envelope.from[0].mailbox + "@" + envelope.from[0].host
  puts "From: #{from}"
  puts "Subject: #{envelope.subject.toutf8}"

  if $last_ip_uid != last_uid

    if from=="haoki@diary.ocn.ne.jp"

      if envelope.subject.toutf.index("【ひかり電話ルータ】 VPN接続用のIPアドレスが変更になりました。")
        
        puts "changed!"
        $last_ip_uid = last_uid

        #

      end
    end
  end

end

imap.logout