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-rw-r--r--plugins/mod_register.lua9
1 files changed, 6 insertions, 3 deletions
diff --git a/plugins/mod_register.lua b/plugins/mod_register.lua
index 5e73dbf7..ee196722 100644
--- a/plugins/mod_register.lua
+++ b/plugins/mod_register.lua
@@ -16,6 +16,7 @@ local usermanager_delete_user = require "core.usermanager".delete_user;
local nodeprep = require "util.encodings".stringprep.nodeprep;
local jid_bare = require "util.jid".bare;
local create_throttle = require "util.throttle".create;
+local new_cache = require "util.cache".new;
local compat = module:get_option_boolean("registration_compat", true);
local allow_registration = module:get_option_boolean("allow_registration", false);
@@ -171,7 +172,6 @@ local function parse_response(query)
end
end
-local recent_ips = {};
local min_seconds_between_registrations = module:get_option_number("min_seconds_between_registrations");
local whitelist_only = module:get_option_boolean("whitelist_registration_only");
local whitelisted_ips = module:get_option_set("registration_whitelist", { "127.0.0.1" })._items;
@@ -179,14 +179,17 @@ local blacklisted_ips = module:get_option_set("registration_blacklist", {})._ite
local throttle_max = module:get_option_number("registration_throttle_max", min_seconds_between_registrations and 1);
local throttle_period = module:get_option_number("registration_throttle_period", min_seconds_between_registrations);
+local throttle_cache_size = module:get_option_number("registration_throttle_cache_size", 100);
+
+local throttle_cache = new_cache(throttle_cache_size);
local function check_throttle(ip)
if not throttle_max then return true end
- local throttle = recent_ips[ip];
+ local throttle = throttle_cache:get(ip);
if not throttle then
throttle = create_throttle(throttle_max, throttle_period);
- recent_ips[ip] = throttle;
end
+ throttle_cache:set(ip, throttle);
return throttle:poll(1);
end