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Add /whois command

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This also rigs up some helpers in Client for handling the whois
response, which I will use for /ban and /quiet and such shortly.
This commit is contained in:
Drew DeVault 2021-05-27 16:02:07 -04:00 committed by Simon Ser
parent f5debac388
commit 121d7ec075
3 changed files with 54 additions and 0 deletions
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11
commands.js
View file

@ -258,4 +258,15 @@ export default {
getActiveClient(app).send({ command: "TOPIC", params });
},
},
"whois": {
usage: "<nick>",
description: "Retrieve information about a user",
execute: (app, args) => {
var nick = args[0];
if (!nick) {
throw new Error("Missing nick");
}
getActiveClient(app).whois(nick);
},
},
};

36
lib/client.js
View file

@ -48,6 +48,7 @@ export default class Client extends EventTarget {
reconnectTimeoutID = null;
pendingHistory = Promise.resolve(null);
cm = irc.CaseMapping.RFC1459;
whoisDB = new irc.CaseMapMap(null, irc.CaseMapping.RFC1459);
constructor(params) {
super();
@ -201,6 +202,18 @@ export default class Client extends EventTarget {
this.send({ command: "CAP", params: ["END"] });
}
break;
case irc.RPL_WHOISUSER:
case irc.RPL_WHOISSERVER:
case irc.RPL_WHOISOPERATOR:
case irc.RPL_WHOISIDLE:
case irc.RPL_WHOISCHANNELS:
case irc.RPL_ENDOFWHOIS:
var nick = msg.params[1];
if (!this.whoisDB.has(nick)) {
this.whoisDB.set(nick, {});
}
this.whoisDB.get(nick)[msg.command] = msg;
break;
case irc.ERR_NICKLOCKED:
case irc.ERR_SASLFAIL:
case irc.ERR_SASLTOOLONG:
@ -271,6 +284,28 @@ export default class Client extends EventTarget {
}
}
whois(target, callback) {
var targetCM = this.cm(target);
var msg = { command: "WHOIS", params: [target] };
return this.roundtrip(msg, (event) => {
var msg = event.detail.message;
switch (msg.command) {
case irc.RPL_ENDOFWHOIS:
var nick = msg.params[1];
if (this.cm(nick) === targetCM) {
return this.whoisDB.get(nick);
}
break;
case irc.ERR_NOSUCHNICK:
var nick = msg.params[1];
if (this.cm(nick) === targetCM) {
throw msg;
}
break;
}
});
}
addAvailableCaps(s) {
var l = s.split(" ");
l.forEach((s) => {
@ -392,6 +427,7 @@ export default class Client extends EventTarget {
setCaseMapping(name) {
this.cm = irc.CaseMapping.byName(name);
this.whoisDB = new irc.CaseMapMap(this.whoisDB, this.cm);
if (!this.cm) {
console.error("Unsupported case-mapping '" + name + "', falling back to RFC 1459");
this.cm = irc.CaseMapping.RFC1459;

7
lib/irc.js
View file

@ -4,6 +4,12 @@ export const RPL_YOURHOST = "002";
export const RPL_CREATED = "003";
export const RPL_MYINFO = "004";
export const RPL_ISUPPORT = "005";
export const RPL_WHOISUSER = "311";
export const RPL_WHOISSERVER = "312";
export const RPL_WHOISOPERATOR = "313";
export const RPL_WHOISIDLE = "317";
export const RPL_ENDOFWHOIS = "318";
export const RPL_WHOISCHANNELS = "319";
export const RPL_ENDOFWHO = "315";
export const RPL_NOTOPIC = "331";
export const RPL_TOPIC = "332";
@ -12,6 +18,7 @@ export const RPL_WHOREPLY = "352";
export const RPL_NAMREPLY = "353";
export const RPL_ENDOFNAMES = "366";
export const RPL_ENDOFMOTD = "376";
export const ERR_NOSUCHNICK = "401";
export const ERR_NOMOTD = "422";
export const ERR_ERRONEUSNICKNAME = "432";
export const ERR_NICKNAMEINUSE = "433";