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lib/client: make authenticate() return a promise

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This lets the caller handle the success/failure.
This commit is contained in:
Simon Ser 2021-11-21 16:06:13 +01:00
parent adefc620de
commit 24b50a332c
1 changed files with 32 additions and 19 deletions
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51
lib/client.js
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@ -316,19 +316,6 @@ export default class Client extends EventTarget {
case irc.RPL_ENDOFWHO:
this.endPendingList("WHO", msg);
break;
case irc.RPL_SASLSUCCESS:
console.log("SASL authentication success");
break;
case irc.ERR_NICKLOCKED:
case irc.ERR_SASLFAIL:
case irc.ERR_SASLTOOLONG:
case irc.ERR_SASLABORTED:
case irc.ERR_SASLALREADY:
this.dispatchEvent(new CustomEvent("error", { detail: "SASL error (" + msg.command + "): " + msg.params[1] }));
if (this.status !== Client.Status.REGISTERED) {
this.disconnect();
}
break;
case "PING":
this.send({ command: "PONG", params: [msg.params[0]] });
break;
@ -396,19 +383,36 @@ export default class Client extends EventTarget {
throw new Error(`${mechanism} authentication not supported by the server`);
}
console.log(`Starting SASL ${mechanism} authentication`);
this.send({ command: "AUTHENTICATE", params: [mechanism] });
// Send the first SASL response immediately to avoid a roundtrip
let initialResp = null;
switch (mechanism) {
case "PLAIN":
let respStr = btoa("\0" + params.username + "\0" + params.password);
this.send({ command: "AUTHENTICATE", params: [respStr] });
initialResp = { command: "AUTHENTICATE", params: [respStr] };
break;
case "EXTERNAL":
this.send({ command: "AUTHENTICATE", params: [btoa("")] });
initialResp = { command: "AUTHENTICATE", params: [btoa("")] };
break;
default:
this.send({ command: "AUTHENTICATE", params: ["*"] });
throw new Error(`Unknown authentication mechanism '${mechanism}'`);
}
let startMsg = { command: "AUTHENTICATE", params: [mechanism] };
let promise = this.roundtrip(startMsg, (msg) => {
switch (msg.command) {
case irc.RPL_SASLSUCCESS:
return true;
case irc.ERR_NICKLOCKED:
case irc.ERR_SASLFAIL:
case irc.ERR_SASLTOOLONG:
case irc.ERR_SASLABORTED:
case irc.ERR_SASLALREADY:
throw msg;
}
});
this.send(initialResp);
return promise;
}
who(mask, options) {
@ -583,11 +587,20 @@ export default class Client extends EventTarget {
if (this.status !== Client.Status.REGISTERED) {
if (this.availableCaps["sasl"] !== undefined) {
let promise;
if (this.params.saslPlain) {
this.authenticate("PLAIN", this.params.saslPlain);
promise = this.authenticate("PLAIN", this.params.saslPlain);
} else if (this.params.saslExternal) {
this.authenticate("EXTERNAL");
promise = this.authenticate("EXTERNAL");
}
(promise || Promise.resolve()).catch((msg) => {
if (msg.command) {
this.dispatchEvent(new CustomEvent("error", {
detail: "Authentication error (SASL " + msg.command + "): " + msg.params[1],
}));
}
this.disconnect();
});
}
if (this.availableCaps["soju.im/bouncer-networks"] !== undefined && this.params.bouncerNetwork) {