mod_http_oauth2: Record details of OAuth client a token is issued to To enable use cases such as revoking all tokens issued to a particular OAuth client in case of security issues, or for informative purposes such as when listing tokens for users.

module:hook("authentication-success", function (event)
	local session = event.session;
	local sasl_handler = session.sasl_handler;
	session.log("info", "Authenticated with %s", sasl_handler and sasl_handler.selected or "legacy auth");
end);