Cria URLs curtas com o goo.gl

Googl.rb

#
# Documentation and How to generate the API Key: https://developers.google.com/url-shortener/v1/getting_started
#
module Utils
  class Googl
    
    END_POINT = "https://www.googleapis.com/urlshortener/v1/url?key=YOUT_KEY_HERE"
 
    # 
    # Cria uma Short URL utilizando o servido do Google: goo.gl
    # API: https://developers.google.com/url-shortener/v1/getting_started#shorten
    # 
    # Curl sample:
    # curl https://www.googleapis.com/urlshortener/v1/url \
      #   -H 'Content-Type: application/json' \
      #   -d '{"longUrl": "http://www.google.com/"}'
    # 
    # 
    # Retorno:
    # {
    #   kind: "urlshortener#url",
    #   id: "http://goo.gl/cXuOE",
    #   longUrl: "http://www.google.com/"
    # }
    # 
    # 
    def self.short longUrl=""
        
      uri = URI.parse(END_POINT)
 
      http = Net::HTTP.new(uri.host, uri.port)
      http.use_ssl = true
      http.verify_mode = OpenSSL::SSL::VERIFY_NONE      
 
      request = Net::HTTP::Post.new(uri.request_uri)
      request["Content-Type"] = "application/json"
      request.body = {"longUrl" => "#{longUrl}"}.to_json
 
      response = http.request(request)
 
      JSON.parse(response.body)
    end
 
  end
end