The redirect URI in the request, http://public.meltingvote.com/connect/google/check, does not match the ones authorized for the OAuth client. To update the authorized redirect URIs, visit: https://console.developers.google.com/apis/credentials/oauthclient/663099324869-po2h7o165tku059p2o5i58i9rbdg2j2t.apps.googleusercontent.com?project=663099324869