Mercurial > prosody-modules
diff mod_muc_limits/mod_muc_limits.lua @ 5601:6680a1f53353
mod_muc_limits: Reduce cost of multi-line messages, make configurable
Typing a 5-line message preceded by a few chat states would have hit the
default limit.
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Sat, 15 Jul 2023 09:09:41 +0200 |
| parents | d52cc18f0aa8 |
| children |
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--- a/mod_muc_limits/mod_muc_limits.lua Fri Jul 14 16:20:54 2023 +0200 +++ b/mod_muc_limits/mod_muc_limits.lua Sat Jul 15 09:09:41 2023 +0200 @@ -15,6 +15,8 @@ local max_nick_length = module:get_option_number("muc_max_nick_length", 23); -- Default chosen through scientific methods local max_line_count = module:get_option_number("muc_max_line_count", 23); -- Default chosen through s/scientific methods/copy and paste/ local max_char_count = module:get_option_number("muc_max_char_count", 5664); -- Default chosen by multiplying a number by 23 +local base_cost = math.max(module:get_option_number("muc_limit_base_cost", 1), 0); +local line_multiplier = math.max(module:get_option_number("muc_line_count_multiplier", 0.1), 0); local join_only = module:get_option_boolean("muc_limit_joins_only", false); local dropped_count = 0; @@ -49,7 +51,7 @@ throttle = new_throttle(period*burst, burst); room.throttle = throttle; end - local cost = 1; + local cost = base_cost; local body = stanza:get_child_text("body"); if body then -- TODO calculate a text diagonal cross-section or some mathemagical @@ -65,7 +67,7 @@ :tag("x", { xmlns = xmlns_muc; })); return true; end - cost = cost + body_lines; + cost = cost + (body_lines * line_multiplier); end if not throttle:poll(cost) then module:log("debug", "Dropping stanza for %s@%s from %s, over rate limit", dest_room, dest_host, from_jid);