The redirect URI in the request, http://kaluga4people.ru/_core/php/workers/auth/oauth2/google/callback/, 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/909628163998-jjbdpmt0eo1o8ivm79vn9v5oqqlmqfhq.apps.googleusercontent.com?project=909628163998