Go from simple http link to twitter embed automagically using RedCarpet !

gistfile1.rb

def autolink(link, link_type)
      statusReg = /https?:\/\/twitter\.com\/[a-zA-Z]+\/status\/([0-9]+)/
      if link_type == :url
        if link =~ statusReg
          tweet = statusReg.match(link)
          urlTweet = tweet[0]
          idTweet = tweet[1]

          uri = URI.parse("https://api.twitter.com/1/statuses/oembed.json?id=#{idTweet}")
          http = Net::HTTP.new(uri.host, uri.port)
          http.use_ssl = true
          http.verify_mode = OpenSSL::SSL::VERIFY_NONE
          request = Net::HTTP::Get.new(uri.request_uri)
          response = http.request(request)
          jsonTweet = ActiveSupport::JSON.decode(response.body)
          jsonTweet["html"]
        end
      end
    end