whois: add 307 (is a registered nick) for identified users and 379 (is using modes) for opers/self

src/coremods/core_info.rs

@@ -124,6 +124,11 @@ impl Command for Whois {
                         &format!("{} {srv} :remote user", ru.nick),
                     );
                     if let Some(a) = &ru.account {
+                        s.numeric(
+                            uid,
+                            RPL_WHOISREGNICK,
+                            &format!("{} :is a registered nick", ru.nick),
+                        );
                         s.numeric(
                             uid,
                             RPL_WHOISACCOUNT,
@@ -279,6 +284,23 @@ impl Command for Whois {
                 &format!("{nick} :is connecting from {ident}@{realhost} {realip}"),
             );
         }
+        // 307: identified to a registered account (carries the +r registered umode)
+        if account.is_some() {
+            s.numeric(
+                uid,
+                RPL_WHOISREGNICK,
+                &format!("{nick} :is a registered nick"),
+            );
+        }
+        // 379: the user's active modes — visible to opers and to the user themselves
+        if is_self || asker_oper {
+            let modes = s
+                .users
+                .get(&tuid)
+                .map(|u| u.flags.umodes())
+                .unwrap_or_default();
+            s.numeric(uid, RPL_WHOISMODES, &format!("{nick} :is using modes {modes}"));
+        }
         // 330: logged in to a services account
         if let Some(acct) = &account {
             s.numeric(

src/numeric.rs

@@ -96,6 +96,8 @@ pub const RPL_ENDOFWHOIS: u16 = 318;
 pub const RPL_WHOISOPERATOR: u16 = 313; // "is an IRC operator" (hidden by +H)
 pub const RPL_WHOISBOT: u16 = 335; // "is a bot" (umode +B)
 pub const RPL_WHOISACCOUNT: u16 = 330; // "<nick> <account> :is logged in as"
+pub const RPL_WHOISREGNICK: u16 = 307; // "is a registered nick" (identified to an account)
+pub const RPL_WHOISMODES: u16 = 379; // oper/self-only: "is using modes +<umodes>"
 pub const ERR_NEEDREGGEDNICK: u16 = 477; // chan +R/+M — must be logged into an account
 pub const RPL_WHOISHOST: u16 = 378; // oper-only: real host/ip behind a cloak
 pub const RPL_WHOISSECURE: u16 = 671; // "is using a secure connection" (sslinfo)