https://www.facebook.com/v10.0/dialog/oauth?scope=public_profile+email&redirect_uri=http%3A%2F%2Fapp420.apps.aicod.it%2Fsocial_oauth%2F&client_id=132580335462333&state=facebook  

  https://accounts.google.com/o/oauth2/v2/auth?response_type=code&scope=openid+email+profile&redirect_uri=http%3A%2F%2Fapp420.apps.aicod.it%2Fsocial_oauth%2F&client_id=266874948895-o3pc5gupmnq1c57gclm7ngcak02e3dpp.apps.googleusercontent.com&state=google