--- a/mod_muc_limits/README.markdown Sat Jun 24 23:56:13 2023 +0200
+++ b/mod_muc_limits/README.markdown Sun Jun 25 00:00:02 2023 +0200
@@ -40,6 +40,7 @@
muc_event_rate 0.5 The maximum number of events per second.
muc_burst_factor 6 Allow temporary bursts of this multiple.
muc_max_nick_length 23 The maximum allowed length of user nicknames
+ muc_max_char_count 5664 The maximum allowed number of bytes in a message
muc_max_line_count 23 The maximum allowed number of lines in a message
For more understanding of how these values are used, see the algorithm
--- a/mod_muc_limits/mod_muc_limits.lua Sat Jun 24 23:56:13 2023 +0200
+++ b/mod_muc_limits/mod_muc_limits.lua Sun Jun 25 00:00:02 2023 +0200
@@ -14,6 +14,7 @@
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 join_only = module:get_option_boolean("muc_limit_joins_only", false);
local dropped_count = 0;
@@ -53,6 +54,11 @@
if body then
-- TODO calculate a text diagonal cross-section or some mathemagical
-- number, maybe some cost multipliers
+ if #body > max_char_count then
+ origin.send(st.error_reply(stanza, "modify", "policy-violation", "Your message is too long, please write a shorter one")
+ :up():tag("x", { xmlns = xmlns_muc }));
+ return true;
+ end
local body_lines = select(2, body:gsub("\n[^\n]*", ""));
if body_lines > max_line_count then
origin.send(st.error_reply(stanza, "modify", "policy-violation", "Your message is too long, please write a shorter one"):up()