Watch the SteamOS beta download URL. Alert me when its not a 404.

steam.rb

require 'logger'
require 'net/http'
require 'json'
require 'mail' # gem 'mail'

dir = File.dirname(__FILE__)

logger = Logger.new(File.join(dir, "log.txt"))
logger.level = Logger::INFO

# credentials.yml example:
# ---
# :user_name: some+user@gmail.com
# :password: muchdoge
#
credentials = YAML.load_file(File.join(dir, "credentials.yml"))

Mail.defaults do
  delivery_method :smtp, credentials.merge(
    address:              "smtp.gmail.com",
    port:                 "587",
    authentication:       :plain,
    enable_starttls_auto: true
  )
end

def send_notice(to)
  Mail.deliver do
    from    "Steam Watcher <#{to}>"
    to      to
    subject "SteamOS is out!"
    body    "Get it now, while you still can!\nhttp://steampowered.com/steamosbeta"
  end
end

response = Net::HTTP.get_response URI("http://steampowered.com/steamosbeta")
logger.info "Response code: #{response.code}"

send_notice(credentials[:user_name]) if response.code != "404"