Get speakerdeck oEmbed url

speakerdeck-oembed.rb

  def slide(slide)
    if slide.match('speakerdeck')
      require 'net/http'
      url = URI.parse("https://speakerdeck.com/oembed.json?url=#{slide}")
      http = Net::HTTP.new(url.host, url.port)
      http.use_ssl = true
      response = http.request(Net::HTTP::Get.new(url.request_uri))      
      response.body
    end
  end