def self.get_via_proxy(site)
    uri = URI.parse site

    proxy = start_proxy uri.host
    proxy.get uri.path
  end

  def self.start_proxy(host)
    proxy_host, proxy_port, proxy_user, proxy_pass  = nil, nil, nil, nil
    proxy_host, proxy_port = ENV['proxy_host'].split(':')  if ENV.has_key?('proxy_host')
    proxy_user = ENV['proxy_user'] if ENV.has_key?('proxy_user')
    proxy_pass = ENV['proxy_pass'] if ENV.has_key?('proxy_pass')

    Net::HTTP::Proxy(proxy_host, proxy_port, proxy_user, proxy_pass).start host
  end