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delayjoin +D: hide JOINs until a member speaks/reveals (NAMES + part/quit/nick aware)

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This commit is contained in:
Jean Chevronnet 2026-08-09 07:40:10 +00:00
parent 80cc61e7f8
commit 97a35338fa
6 changed files with 134 additions and 7 deletions
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96
src/channels.rs
View file

@ -20,6 +20,7 @@ pub struct Member {
pub voice: bool, // +v (+)
pub joined: u64, // unix ts this member joined (for +d delaymsg; 0 = unknown)
pub recent_msgs: Vec<String>, // +K repeat: this member's last few lines here
pub hidden: bool, // +D delayjoin: JOIN withheld until they reveal themselves
}
/// Prefix ranks, high→low — gate who may grant a prefix / kick whom.
@ -159,6 +160,7 @@ pub struct ChanModes {
pub opmoderated: bool, // +U — unprivileged users' messages go to ops only
pub delaymsg: Option<u32>, // +d <secs> — new joiners can't speak for N secs
pub repeat: Option<u32>, // +K <n> — block a line repeated within your last n
pub delayjoin: bool, // +D — hide JOINs until the user speaks/reveals
}
impl ChanModes {
@ -186,6 +188,7 @@ impl ChanModes {
'A' => self.allowinvite = on,
'P' => self.permanent = on,
'U' => self.opmoderated = on,
'D' => self.delayjoin = on,
_ => {}
}
}
@ -357,6 +360,66 @@ impl Server {
.unwrap_or(false)
}
/// +D delayjoin: announce a hidden member's withheld JOIN now (they revealed
/// themselves by speaking / being opped / changing nick). No-op if not hidden.
pub fn reveal_member(&mut self, uid: Uid, key: &str) {
let hidden = self
.channels
.get(key)
.and_then(|c| c.members.get(&uid))
.map(|m| m.hidden)
.unwrap_or(false);
if !hidden {
return;
}
if let Some(m) = self
.channels
.get_mut(key)
.and_then(|c| c.members.get_mut(&uid))
{
m.hidden = false;
}
let name = self
.channels
.get(key)
.map(|c| c.name.clone())
.unwrap_or_else(|| key.to_string());
let aud = self
.channels
.get(key)
.map(|c| c.modes.auditorium)
.unwrap_or(false);
let (prefix, acct, realname) = match self.users.get(&uid) {
Some(u) => (
u.prefix(),
u.account.clone().unwrap_or_else(|| "*".to_string()),
u.realname.clone(),
),
None => return,
};
let plain = format!(":{prefix} JOIN {name}");
let extended = format!(":{prefix} JOIN {name} {acct} :{realname}");
let members: Vec<Uid> = self
.channels
.get(key)
.map(|c| c.members.keys().copied().collect())
.unwrap_or_default();
for m in members {
if m == uid {
continue; // they already saw their own JOIN
}
if aud && self.rank(m, key) < RANK_OP {
continue; // +u auditorium still hides them from non-ops
}
let ext = self
.users
.get(&m)
.map(|u| u.caps.extended_join)
.unwrap_or(false);
self.send(m, if ext { extended.clone() } else { plain.clone() });
}
}
/// +X exemptchanops — is `uid` exempt from `restriction` in this channel? True
/// when a `+X <restriction>:<rankchar>` entry names a rank they meet or exceed.
pub fn chanop_exempt(&self, uid: Uid, key: &str, restriction: &str) -> bool {
@ -412,7 +475,19 @@ impl Server {
return;
}
let prefix = self.users[&uid].prefix();
self.to_channel(&key, &format!(":{prefix} PART {chan} :{reason}"), None);
// +D delayjoin: a still-hidden member's PART is shown only to themselves
let hidden = self
.channels
.get(&key)
.and_then(|c| c.members.get(&uid))
.map(|m| m.hidden)
.unwrap_or(false);
let line = format!(":{prefix} PART {chan} :{reason}");
if hidden {
self.send(uid, line);
} else {
self.to_channel(&key, &line, None);
}
self.propagate_part(uid, chan, reason);
if let Some(ch) = self.channels.get_mut(&key) {
ch.members.remove(&uid);
@ -639,12 +714,27 @@ impl Server {
let plain = format!(":{prefix} JOIN {name}");
let extended = format!(":{prefix} JOIN {name} {acct} :{realname}");
let aud = self.channels[&key].modes.auditorium;
// +D delayjoin: withhold the JOIN from everyone else until they speak/reveal
let delayjoin = self.channels[&key].modes.delayjoin;
if delayjoin {
if let Some(m) = self
.channels
.get_mut(&key)
.and_then(|c| c.members.get_mut(&uid))
{
m.hidden = true;
}
}
let members: Vec<Uid> = self.channels[&key].members.keys().copied().collect();
for m in members {
// +u auditorium: non-op members don't see other users join
if aud && m != uid && self.rank(m, &key) < RANK_OP {
continue;
}
// +D: only the joining user sees their own JOIN for now
if delayjoin && m != uid {
continue;
}
let ext = self
.users
.get(&m)
@ -747,6 +837,10 @@ impl Server {
if hide && *m != uid && flags.rank() < RANK_OP {
continue;
}
// +D delayjoin: a still-hidden member isn't shown to anyone but themselves
if flags.hidden && *m != uid {
continue;
}
let p = if multi {
flags.all_prefixes()
} else {

13
src/coremods/core_channel.rs
View file

@ -434,7 +434,18 @@ impl Command for Part {
} else {
format!(":{prefix} PART {target} :{reason}")
};
s.to_channel_vis(&key, &line, uid); // +u: only ops + self see the part
// +D delayjoin: a still-hidden member's PART is shown only to themselves
let hidden = s
.channels
.get(&key)
.and_then(|c| c.members.get(&uid))
.map(|m| m.hidden)
.unwrap_or(false);
if hidden {
s.send(uid, line.clone());
} else {
s.to_channel_vis(&key, &line, uid); // +u: only ops + self see the part
}
s.propagate_part(uid, target, &reason); // tell linked servers
if let Some(ch) = s.channels.get_mut(&key) {
ch.members.remove(&uid);

2
src/coremods/core_message.rs
View file

@ -400,6 +400,8 @@ pub(crate) fn deliver(s: &mut Server, uid: Uid, params: &[String], notice: bool)
}
}
}
// +D delayjoin: speaking reveals a hidden member (their JOIN goes out first)
s.reveal_member(uid, &key);
// deliver to every member except the sender and +D (deaf) users, tagging
// per-recipient (server-time + any client-only tags on the line)
let line = format!(":{prefix} {cmd} {target} :{body}");

14
src/mode.rs
View file

@ -93,6 +93,7 @@ static CHAN_MODES: &[&(dyn ChanMode + Sync)] = &[
&DELAYMSG,
&REPEAT,
&EXEMPTCHANOPS,
&DELAYJOIN,
];
// --- prefix modes (+q/+a/+o/+h/+v): a per-member rank, needs a nick ----------
@ -180,6 +181,10 @@ impl ChanMode for Prefix {
_ => m.voice = adding,
}
}
// +D delayjoin: gaining a prefix reveals a hidden member
if adding {
s.reveal_member(tuid, key);
}
Applied::Yes(Some(pn.to_string()))
}
}
@ -314,6 +319,9 @@ fn set_permanent(m: &mut ChanModes, v: bool) {
fn set_opmoderated(m: &mut ChanModes, v: bool) {
m.opmoderated = v;
}
fn set_delayjoin(m: &mut ChanModes, v: bool) {
m.delayjoin = v;
}
static NOKICKS: Flag = Flag {
ch: 'Q',
set: set_nokicks,
@ -330,6 +338,10 @@ static OPMODERATED: Flag = Flag {
ch: 'U',
set: set_opmoderated,
};
static DELAYJOIN: Flag = Flag {
ch: 'D',
set: set_delayjoin,
};
impl ChanMode for Flag {
fn letter(&self) -> char {
@ -1247,7 +1259,7 @@ mod tests {
#[test]
fn registry_covers_all_channel_modes() {
for c in "qaohvbeIklmntiszpONCTcSRMfjFLgGuBQAPJUdKX".chars() {
for c in "qaohvbeIklmntiszpONCTcSRMfjFLgGuBQAPJUdKXD".chars() {
assert!(chan_mode(c).is_some(), "missing handler for +{c}");
}
assert!(chan_mode('y').is_none());

8
src/server.rs
View file

@ -451,9 +451,13 @@ impl Server {
let mut seen: HashSet<Uid> = HashSet::new();
for key in &user.channels {
if let Some(ch) = self.channels.get_mut(key) {
// +D delayjoin: if their JOIN here was never announced, no QUIT either
let hidden = ch.members.get(&uid).map(|m| m.hidden).unwrap_or(false);
ch.members.remove(&uid);
for &m in ch.members.keys() {
seen.insert(m);
if !hidden {
for &m in ch.members.keys() {
seen.insert(m);
}
}
}
}

8
src/users.rs
View file

@ -373,6 +373,10 @@ impl Server {
let chans: Vec<String> = self.users[&uid].channels.iter().cloned().collect();
for key in &chans {
if let Some(ch) = self.channels.get(key) {
// +D delayjoin: a still-hidden member's NICK isn't shown here
if ch.members.get(&uid).map(|m| m.hidden).unwrap_or(false) {
continue;
}
for &m in ch.members.keys() {
targets.insert(m);
}
@ -418,7 +422,7 @@ impl Server {
uid,
RPL_MYINFO,
&format!(
"{} echoircd-{VERSION} iowxsgBDIHrRzWc qaohvbeIklimnpstzCTcSNORMfjFLgGuBQAPJUdKX",
"{} echoircd-{VERSION} iowxsgBDIHrRzWc qaohvbeIklimnpstzCTcSNORMfjFLgGuBQAPJUdKXD",
self.name
),
);
@ -426,7 +430,7 @@ impl Server {
uid,
RPL_ISUPPORT,
&format!(
"CHANTYPES=# PREFIX=(qaohv)~&@%+ CHANMODES=beIgX,k,lfjFLHBJdK,ACGMNOPQRSTUcimnpstuz EXTBAN=,cmn WATCH=128 MONITOR=128 SILENCE=32 CALLERID=g WHOX CHATHISTORY=256 MSGREFTYPES=timestamp,msgid UTF8ONLY CASEMAPPING=ascii NICKLEN=30 CHANNELLEN=50 NETWORK={} :are supported by this server",
"CHANTYPES=# PREFIX=(qaohv)~&@%+ CHANMODES=beIgX,k,lfjFLHBJdK,ACDGMNOPQRSTUcimnpstuz EXTBAN=,cmn WATCH=128 MONITOR=128 SILENCE=32 CALLERID=g WHOX CHATHISTORY=256 MSGREFTYPES=timestamp,msgid UTF8ONLY CASEMAPPING=ascii NICKLEN=30 CHANNELLEN=50 NETWORK={} :are supported by this server",
self.network
),
);