Get your location with WiFi BSSID and GoogleMap

wifi_gmap_location.rb

#!/usr/bin/env ruby
require 'net/http'
require 'uri'
require 'json'

def get_addrs
  case RUBY_PLATFORM
  when /darwin/
    lines = `/System/Library/PrivateFrameworks/Apple80211.framework/Versions/A/Resources/airport -s`.split(/[\r\n]/)
    lines.shift
    lines.map{|i|
      a = i.scan(/[^\s]+/)
      {:bssid => a[1], :signal => a[2].to_i}
    }
  when /linux/
    lines = `iwlist wlan0 scan`.split(/[\r\n]/)
    addrs = []
    lines.each do |line|
      addrs.push({:bssid => line.split(/\s+/).last, :signal => 8}) if line =~ /Address: /
      addrs.last[:signal] = line.scan(/Signal level=(\-?\d+)/)[0][0].to_i rescue next if line =~ /Signal level=/
    end
    addrs
  end
end

def get_location(addrs)
  uri = URI.parse 'http://www.google.com/loc/json'
  query = {
    :version => '1.1.0',
    :host => 'maps.google.com',
    :request_address => true,
    :address_language => ENV['LANG'].scan(/([^\.]+)/)[0][0],
    :wifi_towers => addrs.map{|addr| {:mac_address => addr[:bssid], :signal_strength => addr[:signal], :age => 0} }
  }.to_json
  res = Net::HTTP.start(uri.host, uri.port).request(Net::HTTP::Post.new(uri.request_uri), query)
  raise "Response Error (#{res.code})" unless res.code.to_i == 200
  JSON.parse(res.body)['location']
end

p addrs = get_addrs
puts location = get_location(addrs)
puts "https://maps.google.com/?ll=#{location['latitude']},#{location['longitude']}&z=16"

I get the following:

wifi_gmap_location.rb:36:in `get_location': Response Error (404) (RuntimeError)
    from wifi_gmap_location.rb:42:in `<main>'