47 lines
2.1 KiB
Rust
47 lines
2.1 KiB
Rust
use echo_api::{NetView, Priv, Sender, ServiceCtx, Store};
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// MODE <#channel> <modes> [params]: set channel modes as a services override
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// (forced, so it applies regardless of the current TS). Admin-only. Status-mode
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// targets may be given as nicks — they're resolved to uids for the ircd.
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pub fn handle(me: &str, from: &Sender, args: &[&str], ctx: &mut ServiceCtx, net: &dyn NetView, db: &dyn Store) {
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if !from.privs.has(Priv::Oper) {
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ctx.notice(me, from.uid, "Access denied — MODE needs the \x02operator\x02 privilege.");
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return;
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}
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let Some(&chan) = args.get(1).filter(|c| c.starts_with('#') || c.starts_with('&')) else {
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ctx.notice(me, from.uid, "Syntax: MODE <#channel> <modes> [params]");
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return;
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};
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let Some(&modes) = args.get(2) else {
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ctx.notice(me, from.uid, "Syntax: MODE <#channel> <modes> [params]");
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return;
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};
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let params = &args[3..];
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// Walk the change alongside its params: each param-taking mode consumes one,
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// and a status mode's param is a nick we translate to its uid. Both arity and
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// the prefix set come from the ircd's advertised CHANMODES (incl custom modes).
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let status_modes = db.status_modes();
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let (mut adding, mut pi) = (true, 0);
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let mut out_params: Vec<String> = Vec::new();
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for m in modes.chars() {
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match m {
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'+' => adding = true,
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'-' => adding = false,
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_ if db.chanmode_takes_param(m, adding) => {
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if let Some(&p) = params.get(pi) {
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pi += 1;
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if status_modes.contains(m) {
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out_params.push(net.uid_by_nick(p).map(str::to_string).unwrap_or_else(|| p.to_string()));
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} else {
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out_params.push(p.to_string());
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}
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}
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}
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_ => {}
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}
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}
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let full = if out_params.is_empty() { modes.to_string() } else { format!("{} {}", modes, out_params.join(" ")) };
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ctx.channel_mode(me, chan, &full);
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ctx.notice(me, from.uid, format!("Set \x02{modes}\x02 on \x02{chan}\x02."));
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}
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