Ruby code example of multipass endpoint

gistfile1.rb

post '/login' do
  user = params[:user]
  password = params[:password]

  if user == "ty" && password == "password"

    SITE_KEY = "zzz-ty-multipass"
    API_KEY = "4a5b3be36eac5363893a43035e02d048" # Example dummy key
    multipass_string = MultiPass.encode(
      SITE_KEY,
      API_KEY,
      :customer_name => "Ty",
      :customer_email => "[email protected]",
      :uid => "123",
      :customer_custom_number => 25, 
      :customer_custom_truefalse => "1", 
      :expires => (Time.now + 120), # Expire two minutes from now
      :url_safe => true
    )
    signature = CGI.escape(Base64.encode64(OpenSSL::HMAC.digest('sha1', API_KEY, multipass_string)))
    redirect 'http://brand2.desk.moonkin.com/customer/authentication/multipass/callback?multipass='+multipass_string+'&signature='+signature
  end
end