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core_message: compute the sender's channel rank once per message (mrank) instead of recomputing s.rank(uid,&key) up to 7x in the channel PRIVMSG/NOTICE gate and once more in TAGMSG — rank is fixed for a single message

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This commit is contained in:
Jean Chevronnet 2026-08-19 02:29:59 +00:00
parent fb1a9f3d70
commit 16ea4b5a23
1 changed files with 11 additions and 8 deletions
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19
src/coremods/core_message.rs
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@ -203,6 +203,8 @@ pub(crate) fn deliver(s: &mut Server, uid: Uid, params: &[String], notice: bool)
};
if target.starts_with('#') {
let key = target.to_ascii_lowercase();
// rank is fixed for this message — compute it once instead of on every check
let mrank = s.rank(uid, &key);
let (member, no_external) = s
.channels
.get(&key)
@ -234,7 +236,7 @@ pub(crate) fn deliver(s: &mut Server, uid: Uid, params: &[String], notice: bool)
.get(&key)
.map(|c| c.modes.opmoderated)
.unwrap_or(false)
&& s.rank(uid, &key) < RANK_VOICE;
&& mrank < RANK_VOICE;
// +m: only voiced-or-above may speak
let moderated = s
.channels
@ -242,7 +244,7 @@ pub(crate) fn deliver(s: &mut Server, uid: Uid, params: &[String], notice: bool)
.map(|c| c.modes.moderated)
.unwrap_or(false);
if moderated
&& s.rank(uid, &key) < RANK_VOICE
&& mrank < RANK_VOICE
&& !op_only
&& !s.chanop_exempt(uid, &key, "moderated")
{
@ -262,7 +264,7 @@ pub(crate) fn deliver(s: &mut Server, uid: Uid, params: &[String], notice: bool)
.map(|c| c.modes.reg_moderated)
.unwrap_or(false);
if reg_moderated
&& s.rank(uid, &key) < RANK_VOICE
&& mrank < RANK_VOICE
&& !s.is_logged_in(uid)
&& !s.chanop_exempt(uid, &key, "regmoderated")
{
@ -277,7 +279,7 @@ pub(crate) fn deliver(s: &mut Server, uid: Uid, params: &[String], notice: bool)
}
// +d delaymsg — a just-joined unprivileged user must wait before speaking
if let Some(secs) = s.channels.get(&key).and_then(|c| c.modes.delaymsg) {
if s.rank(uid, &key) < RANK_VOICE && !s.chanop_exempt(uid, &key, "delaymsg") {
if mrank < RANK_VOICE && !s.chanop_exempt(uid, &key, "delaymsg") {
let joined = s
.channels
.get(&key)
@ -297,7 +299,7 @@ pub(crate) fn deliver(s: &mut Server, uid: Uid, params: &[String], notice: bool)
}
}
// extban `m:` mute — matched users can't speak unless voiced-or-above
if s.extban_active(uid, &key, 'm') && s.rank(uid, &key) < RANK_VOICE {
if s.extban_active(uid, &key, 'm') && mrank < RANK_VOICE {
if !notice {
s.numeric(
uid,
@ -308,7 +310,7 @@ pub(crate) fn deliver(s: &mut Server, uid: Uid, params: &[String], notice: bool)
return CmdResult::Fail;
}
// +f message flood — ops/half-ops and opers are exempt; others get kicked
let flood_exempt = s.rank(uid, &key) >= RANK_HALFOP
let flood_exempt = mrank >= RANK_HALFOP
|| s.users.get(&uid).map(|u| u.flags.oper).unwrap_or(false);
if !flood_exempt && !s.chanop_exempt(uid, &key, "flood") {
if let Some(ban) = s.messageflood_hit(uid, &key) {
@ -422,7 +424,7 @@ pub(crate) fn deliver(s: &mut Server, uid: Uid, params: &[String], notice: bool)
}
// +K repeat — reject a line the sender just repeated; else remember it (ops exempt)
if let Some(n) = s.channels.get(&key).and_then(|c| c.modes.repeat) {
if s.rank(uid, &key) < RANK_HALFOP && !s.chanop_exempt(uid, &key, "repeat") {
if mrank < RANK_HALFOP && !s.chanop_exempt(uid, &key, "repeat") {
let repeated = s
.channels
.get(&key)
@ -718,6 +720,7 @@ impl Command for TagMsg {
let msgid = s.next_msgid(); // shared across this TAGMSG's recipients
if target.starts_with('#') {
let key = target.to_ascii_lowercase();
let mrank = s.rank(uid, &key);
if !s
.channels
.get(&key)
@ -732,7 +735,7 @@ impl Command for TagMsg {
.get(&key)
.map(|c| c.modes.moderated)
.unwrap_or(false);
if moderated && s.rank(uid, &key) < RANK_VOICE {
if moderated && mrank < RANK_VOICE {
return CmdResult::Fail;
}
let echo = s