urlbox ruby

urlbox.rb

require 'openssl'
require 'open-uri'

def encodeURIComponent(val)
  URI.escape(val, Regexp.new("[^#{URI::PATTERN::UNRESERVED}]"))
end
 
def urlbox(url, options={}, format='png')
  urlbox_apikey = 'YOUR_API_KEY'
  urlbox_secret = 'YOUR_API_SECRET'
 
  query = {
    :url         => url, # required - the url you want to screenshot
    :force       => options[:force], # optional - boolean - whether you want to generate a new screenshot rather than receive a previously cached one - this also overwrites the previously cached image
    :full_page   => options[:full_page], # optional - boolean - return a screenshot of the full screen
    :thumb_width => options[:thumb_width], # optional - number - thumbnail the resulting screenshot using this width in pixels
    :width       => options[:width], # optional - number - set viewport width to use (in pixels)
    :height      => options[:height], # optional - number - set viewport height to use (in pixels)
    :quality     => options[:quality] # optional - number (0-100) - set quality of the screenshot
  }
 
  query_string = query.
    sort_by {|s| s[0].to_s }.
    select {|s| s[1] }.       
    map {|s| s.map {|v| encodeURIComponent(v.to_s) }.join('=') }.
    join('&')
  
  token = OpenSSL::HMAC.hexdigest('sha1', urlbox_secret, query_string)
 
  "https://api.urlbox.io/v1/#{urlbox_apikey}/#{token}/#{format}?#{query_string}"
end

### USAGE: (format can be png or jpg, we default to png) ###
url = urlbox("www.google.com", {thumb_width: 200, full_page: true, quality: 90}, 'jpg')
puts url
# url: "https://api.urlbox.io/v1/YOUR_API_KEY/1e6b72c3189da3f4ce8f1f2a0740ddb098e06f84/jpg?full_page=true&quality=90&thumb_width=200&url=www.google.com"