Assistly multipass SSO

multipass.rb

multipass = MultiPass.encode(
  'jux',
  api_key,
  :customer_name => current_user.displayname,
  :customer_email => current_user.email,
  :customer_custom_username => current_user.username,
  :uid => current_user.id,
  :expires => (Time.now + 120), # Expire two minutes from now
  :url_safe => true # Convert unsafe characters
)

escaped_multipass = URI.escape(multipass, Regexp.new("[^#{URI::PATTERN::UNRESERVED}]"))
redirect_to "http://helpers.jux.com/customer/authentication/multipass/callback?multipass=#{multipass}" # hmm, should be using 'escaped_multipass'...?