+ -- Check that the user is not blacklisted or registering too often
+ if not session.ip then
+ module:log("debug", "User's IP not known; can't apply blacklist/whitelist");
+ elseif blacklisted_ips[session.ip] or (whitelist_only and not whitelisted_ips[session.ip]) then
+ session.send(st.error_reply(stanza, "cancel", "not-acceptable", "You are not allowed to register an account."));
+ return;
+ elseif min_seconds_between_registrations and not whitelisted_ips[session.ip] then
+ if not recent_ips[session.ip] then
+ recent_ips[session.ip] = { time = os_time(), count = 1 };
+ else
+ local ip = recent_ips[session.ip];
+ ip.count = ip.count + 1;
+
+ if os_time() - ip.time < min_seconds_between_registrations then
+ ip.time = os_time();
+ session.send(st.error_reply(stanza, "wait", "not-acceptable"));
+ return;
+ end
+ ip.time = os_time();
+ end
+ end