短縮URLとか展開する

gistfile1.rb

    def extract_tiny_url(url)
      url = URI.parse(url) if url.is_a?String
      TCPSocket.open(url.host, url.port) do|s|
        s.write("GET #{url.path} HTTP/1.1")
        s.write("\nHost: #{url.host}")
        s.write("\nUser-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:11.0) Gecko/20100101 Firefox/11.0")
        s.write("\nAccept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8")
        s.write("\nAccept-Language: ja-JP-mac,ja;q=0.8,en-US;q=0.5,en;q=0.3")
        s.write("\n\n")
        text = (s.readlines.join('').scan /URL=([a-z:\/\.\_0-9]*)/).flatten.first
      end
    end