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Add lazy inactivity-expiry for accounts and channels

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Accounts and channels now carry a last-activity stamp and are dropped
once inactive past a configured threshold. A login stamps the account, a
join stamps the channel — both coalesced to at most one log entry per day
so routine traffic doesn't bloat the log, and stamps replicate so
activity on any node keeps a record alive network-wide.

Expiry is lazy in the proven style: a periodic pass computes it from the
stored stamps with no per-record timer, reusing the same relation the
vhost and suspension expiries use. The sweep spares operator accounts,
accounts with a live session, occupied channels, and anything an operator
has pinned with the new NOEXPIRE command (NickServ NOEXPIRE <account>,
ChanServ NOEXPIRE <#channel>, both Priv::Admin). Each expiry is announced
to the audit channel and clears the channel's +r.

Configured under [expire] (accounts_days / channels_days); a zero or
omitted field leaves that kind never expiring, and omitting the section
disables expiry entirely.
This commit is contained in:
Jean Chevronnet 2026-07-14 00:02:36 +00:00
parent 698d604954
commit 253d4c2a2d
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11 changed files with 413 additions and 13 deletions
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4
nickserv/src/lib.rs
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@ -34,6 +34,7 @@ mod confirm;
mod ajoin;
#[path = "suspend.rs"]
mod suspend;
mod noexpire;
#[path = "password.rs"]
mod password;
@ -79,7 +80,8 @@ impl Service for NickServ {
Some("AJOIN") => ajoin::handle(me, from, args, ctx, db),
Some("SUSPEND") => suspend::handle(me, from, args, ctx, net, db, true),
Some("UNSUSPEND") => suspend::handle(me, from, args, ctx, net, db, false),
Some("HELP") => ctx.notice(me, from.uid, "NickServ looks after your nickname. Commands: \x02REGISTER\x02 <password> [email], \x02IDENTIFY\x02 [account] <password>, \x02INFO\x02 [account], \x02ALIST\x02, \x02GROUP\x02/\x02GLIST\x02/\x02UNGROUP\x02, \x02GHOST\x02 <nick> [password], \x02SET\x02 PASSWORD|EMAIL, \x02AJOIN\x02 ADD|DEL|LIST, \x02RESETPASS\x02 <account>, \x02CONFIRM\x02 <code>, \x02DROP\x02 <password>, \x02LOGOUT\x02, \x02CERT\x02 ADD|DEL|LIST <password> [fingerprint]. Operators also have \x02SUSPEND\x02/\x02UNSUSPEND\x02."),
Some("NOEXPIRE") => noexpire::handle(me, from, args, ctx, db),
Some("HELP") => ctx.notice(me, from.uid, "NickServ looks after your nickname. Commands: \x02REGISTER\x02 <password> [email], \x02IDENTIFY\x02 [account] <password>, \x02INFO\x02 [account], \x02ALIST\x02, \x02GROUP\x02/\x02GLIST\x02/\x02UNGROUP\x02, \x02GHOST\x02 <nick> [password], \x02SET\x02 PASSWORD|EMAIL, \x02AJOIN\x02 ADD|DEL|LIST, \x02RESETPASS\x02 <account>, \x02CONFIRM\x02 <code>, \x02DROP\x02 <password>, \x02LOGOUT\x02, \x02CERT\x02 ADD|DEL|LIST <password> [fingerprint]. Operators also have \x02SUSPEND\x02/\x02UNSUSPEND\x02 and \x02NOEXPIRE\x02 <account> {ON|OFF}."),
Some(other) => ctx.notice(me, from.uid, format!("I don't know the command \x02{other}\x02. Try \x02HELP\x02.")),
None => {}
}