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BotServ: TRIGGER — regex auto-responses

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TRIGGER <#channel> ADD <regex>|<response> | DEL <num> | LIST | CLEAR: when
a channel line matches <regex>, the assigned bot says <response> ($nick
becomes the speaker's nick). Only the first matching trigger fires, and a
line the bot just kicked for gets no response.

Same engine machinery as badwords: patterns compile into one RegexSet per
channel (linear-time, ReDoS-safe), cached and rebuilt only on a revision
change. Patterns validated + size-limited at add time.
This commit is contained in:
Jean Chevronnet 2026-07-13 18:03:46 +00:00
parent 47b1fd351e
commit 929a4cdd92
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6 changed files with 237 additions and 4 deletions
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5
botserv/src/lib.rs
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@ -20,6 +20,8 @@ mod kick;
mod badwords;
#[path = "copy.rs"]
mod copy;
#[path = "trigger.rs"]
mod trigger;
// Shared gate: the sender may administer <chan>'s bot options only as its
// founder or a services admin. Notices and returns false on failure.
@ -63,7 +65,8 @@ impl Service for BotServ {
Some("KICK") => kick::handle(me, from, args, ctx, db),
Some("BADWORDS") => badwords::handle(me, from, args, ctx, db),
Some("COPY") => copy::handle(me, from, args, ctx, db),
Some("HELP") | None => ctx.notice(me, from.uid, "BotServ keeps service bots for your channels: \x02ASSIGN\x02 <#channel> <bot> puts a bot in your channel, \x02UNASSIGN\x02 <#channel> removes it, \x02INFO\x02 <bot|#channel> shows details, \x02SAY\x02/\x02ACT\x02 <#channel> <text> speaks through the bot, \x02SET\x02 <#channel> GREET <on|off> toggles greets, \x02KICK\x02 <#channel> <type> <on|off> configures kickers, \x02BADWORDS\x02 <#channel> ADD|DEL|LIST manages badword regexes. Operators also have \x02BOT\x02 ADD|DEL|LIST."),
Some("TRIGGER") => trigger::handle(me, from, args, ctx, db),
Some("HELP") | None => ctx.notice(me, from.uid, "BotServ keeps service bots for your channels: \x02ASSIGN\x02 <#channel> <bot> puts a bot in your channel, \x02UNASSIGN\x02 <#channel> removes it, \x02INFO\x02 <bot|#channel> shows details, \x02SAY\x02/\x02ACT\x02 <#channel> <text> speaks through the bot, \x02SET\x02 <#channel> GREET <on|off> toggles greets, \x02KICK\x02 <#channel> <type> <on|off> configures kickers (with \x02TEST\x02/\x02WARN\x02/\x02TTB\x02), \x02BADWORDS\x02 and \x02TRIGGER\x02 <#channel> ADD|DEL|LIST manage badword regexes and auto-responses, \x02COPY\x02 <#src> <#dst> clones settings. Operators also have \x02BOT\x02 ADD|CHANGE|DEL|LIST."),
Some(other) => ctx.notice(me, from.uid, format!("I don't know the command \x02{other}\x02. Try \x02HELP\x02.")),
}
}