Dead simple remote auth server

zendesk_remote_auth.rb

require 'rubygems'
require 'sinatra'

get '/auth' do

  name = "Kenny"
  email = "kenny@zendesk.com"
  token = ""
  remote_photo_url = "http://blog.earthandpawtotems.com/wp-content/uploads/2011/04/honeybadger.jpg"
  timestamp = params[:timestamp]

  hash = Digest::MD5.hexdigest( name + email + remote_photo_url + token + timestamp )
  redirect params[:return_to] + "?name=#{name}&email=#{email}&hash=#{hash}&timestamp=#{timestamp}&remote_photo_url=#{remote_photo_url}"
end