Software / code / prosody
Changeset
7025:236e8d1ee96c
mod_register: Switch to using util.throttle for limiting registrations per ip per time
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Wed, 23 Dec 2015 08:57:12 +0100 |
| parents | 7024:8ce592e376ff |
| children | 7026:f0dc5cc11d0e |
| files | plugins/mod_register.lua |
| diffstat | 1 files changed, 17 insertions(+), 13 deletions(-) [+] |
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--- a/plugins/mod_register.lua Wed Dec 23 08:49:38 2015 +0100 +++ b/plugins/mod_register.lua Wed Dec 23 08:57:12 2015 +0100 @@ -13,9 +13,9 @@ local usermanager_create_user = require "core.usermanager".create_user; local usermanager_set_password = require "core.usermanager".set_password; local usermanager_delete_user = require "core.usermanager".delete_user; -local os_time = os.time; local nodeprep = require "util.encodings".stringprep.nodeprep; local jid_bare = require "util.jid".bare; +local create_throttle = require "util.throttle".create; local compat = module:get_option_boolean("registration_compat", true); local allow_registration = module:get_option_boolean("allow_registration", false); @@ -177,6 +177,19 @@ local whitelisted_ips = module:get_option_set("registration_whitelist", { "127.0.0.1" })._items; local blacklisted_ips = module:get_option_set("registration_blacklist", {})._items; +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 function check_throttle(ip) + if not throttle_max then return true end + local throttle = recent_ips[ip]; + if not throttle then + throttle = create_throttle(throttle_max, throttle_period); + recent_ips[ip] = throttle; + end + return throttle:poll(1); +end + module:hook("stanza/iq/jabber:iq:register:query", function(event) local session, stanza = event.origin, event.stanza; local log = session.log or module._log; @@ -204,18 +217,9 @@ session.send(st.error_reply(stanza, "cancel", "not-acceptable", "You are not allowed to register an account.")); return true; 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 true; - end - ip.time = os_time(); + if check_throttle(session.ip) then + session.send(st.error_reply(stanza, "wait", "not-acceptable")); + return true; end end local username, password = nodeprep(data.username), data.password;
