urlbox.rb

# not necessary in Rails
require 'cgi'
require 'openssl'
require 'open-uri'

# OPTIONS :force, :full_page, :thumb_width, :width, :height
def urlbox(url, options={})
  urlbox_apikey = 'xxx-xxx'
  urlbox_secret = 'xxx-xxx'
 
  options.merge!(url: url)
  query_string = options.select { |k,v| v }.to_query
 
  # puts query_string
 
  puts URI::encode(query_string)
  
  token = OpenSSL::HMAC.hexdigest('sha1', urlbox_secret, query_string)
 
  "https://api.urlbox.io/v1/#{urlbox_apikey}/#{token}/png?#{query_string}"
end
 
puts urlbox "www.google.com"