mac-tracer.rb

#!/usr/bin/env ruby
# encoding: utf-8

require 'json'
require 'net/http'

module Google
  class Location
    def self.search address
      new(mac: address).search
    end

    def initialize options
      @options = options
    end

    def search
      res = nil

      Net::HTTP.start 'www.google.com', 80 do |http|
        post = Net::HTTP::Post.new '/loc/json'
        res = http.request(post, request_body.to_json)
      end
      res
    end

  private

    def request_body
      puts "searching for #{@options[:mac]} …"
      { host: "maero.dk", version: "1.1.0", request_address: true, wifi_towers: [{ mac_address: @options[:mac], ssid: "g", signal_strength: -72 }] }
    end
  end
end

p Google::Location.search("30:46:9a:7a:69:44").body