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cap: fold CAP LS 302 into multiple continuation lines to stay under 512 bytes

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This commit is contained in:
Jean Chevronnet 2026-08-16 18:17:29 +00:00
parent 1ab643c870
commit 4ce500e525
1 changed files with 30 additions and 13 deletions
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43
src/coremods/core_user.rs
View file

@ -176,20 +176,37 @@ impl Command for Cap {
u.cap_302 |= cap302;
}
let acctreg = crate::modules::account_registration::cap_tokens(s);
s.send(
uid,
format!(
":{} CAP {who} LS :{}",
s.name,
Caps::ls_line(
cap302,
secure,
&acctreg,
crate::modules::multiline::max_bytes(s),
crate::modules::multiline::max_lines(s),
)
),
let payload = Caps::ls_line(
cap302,
secure,
&acctreg,
crate::modules::multiline::max_bytes(s),
crate::modules::multiline::max_lines(s),
);
if !cap302 {
s.send(uid, format!(":{} CAP {who} LS :{payload}", s.name));
} else {
// 302: fold the token list into ≤512-byte lines, all but the last
// carrying the `*` continuation marker.
let budget = 500usize.saturating_sub(s.name.len() + who.len() + 12);
let mut chunks: Vec<String> = vec![String::new()];
for t in payload.split(' ').filter(|t| !t.is_empty()) {
let cur = chunks.last_mut().unwrap();
if !cur.is_empty() && cur.len() + 1 + t.len() > budget {
chunks.push(String::new());
}
let cur = chunks.last_mut().unwrap();
if !cur.is_empty() {
cur.push(' ');
}
cur.push_str(t);
}
let last = chunks.len() - 1;
for (i, chunk) in chunks.iter().enumerate() {
let more = if i < last { "* " } else { "" };
s.send(uid, format!(":{} CAP {who} LS {more}:{chunk}", s.name));
}
}
}
"REQ" => {
if let Some(u) = s.users.get_mut(&uid) {