Remove assets/

assets/client.js

@@ -1,228 +0,0 @@
-import * as irc from "./irc.js";
-
-// Static list of capabilities that are always requested when supported by the
-// server
-const permanentCaps = ["message-tags", "server-time", "multi-prefix"];
-
-export default class Client extends EventTarget {
-	ws = null;
-	nick = null;
-	params = {
-		username: null,
-		realname: null,
-		nick: null,
-		pass: null,
-		saslPlain: null,
-	};
-	registered = false;
-	availableCaps = {};
-	enabledCaps = {};
-
-	constructor(params) {
-		super();
-
-		this.params = Object.assign(this.params, params);
-
-		try {
-			this.ws = new WebSocket(params.url);
-		} catch (err) {
-			console.error("Failed to create connection:", err);
-			setTimeout(() => this.dispatchEvent(new CustomEvent("close")), 0);
-			return;
-		}
-
-		this.ws.addEventListener("open", this.handleOpen.bind(this));
-		this.ws.addEventListener("message", this.handleMessage.bind(this));
-
-		this.ws.addEventListener("close", () => {
-			console.log("Connection closed");
-			this.dispatchEvent(new CustomEvent("close"));
-		});
-
-		this.ws.addEventListener("error", () => {
-			console.error("Connection error");
-		});
-	}
-
-	handleOpen() {
-		console.log("Connection opened");
-
-		this.nick = this.params.nick;
-
-		this.send({ command: "CAP", params: ["LS", "302"] });
-		if (this.params.pass) {
-			this.send({ command: "PASS", params: [this.params.pass] });
-		}
-		this.send({ command: "NICK", params: [this.nick] });
-		this.send({
-			command: "USER",
-			params: [this.params.username, "0", "*", this.params.realname],
-		});
-	}
-
-	handleMessage(event) {
-		var msg = irc.parseMessage(event.data);
-		console.log("Received:", msg);
-
-		switch (msg.command) {
-		case irc.RPL_WELCOME:
-			if (this.params.saslPlain && this.availableCaps["sasl"] === undefined) {
-				console.error("Server doesn't support SASL PLAIN");
-				this.close();
-				return;
-			}
-
-			console.log("Registration complete");
-			this.registered = true;
-			break;
-		case irc.ERR_PASSWDMISMATCH:
-			console.error("Password mismatch");
-			this.close();
-			break;
-		case "CAP":
-			this.handleCap(msg);
-			break;
-		case "AUTHENTICATE":
-			this.handleAuthenticate(msg);
-			break;
-		case irc.RPL_LOGGEDIN:
-			console.log("Logged in");
-			break;
-		case irc.RPL_LOGGEDOUT:
-			console.log("Logged out");
-			break;
-		case irc.RPL_SASLSUCCESS:
-			console.log("SASL authentication success");
-			if (!this.registered) {
-				this.send({ command: "CAP", params: ["END"] });
-			}
-			break;
-		case irc.ERR_NICKLOCKED:
-		case irc.ERR_SASLFAIL:
-		case irc.ERR_SASLTOOLONG:
-		case irc.ERR_SASLABORTED:
-		case irc.ERR_SASLALREADY:
-			console.error("SASL error:", msg);
-			this.close();
-			break;
-		case "NICK":
-			var newNick = msg.params[0];
-			if (msg.prefix.name == this.nick) {
-				this.nick = newNick;
-			}
-			break;
-		}
-
-		this.dispatchEvent(new CustomEvent("message", {
-			detail: { message: msg },
-		}));
-	}
-
-	addAvailableCaps(s) {
-		var l = s.split(" ");
-		l.forEach((s) => {
-			var parts = s.split("=");
-			var k = parts[0];
-			var v = "";
-			if (parts.length > 1) {
-				v = parts[1];
-			}
-			this.availableCaps[k] = v;
-		});
-	}
-
-	handleCap(msg) {
-		var subCmd = msg.params[1];
-		var args = msg.params.slice(2);
-		switch (subCmd) {
-		case "LS":
-			this.addAvailableCaps(args[args.length - 1]);
-			if (args[0] != "*") {
-				console.log("Available server caps:", this.availableCaps);
-
-				var reqCaps = [];
-
-				var saslCap = this.availableCaps["sasl"];
-				var supportsSaslPlain = (saslCap !== undefined);
-				if (saslCap.length > 0) {
-					supportsSaslPlain = saslCap.split(",").includes("PLAIN");
-				}
-
-				var capEnd = true;
-				if (this.params.saslPlain && supportsSaslPlain) {
-					// CAP END is deferred after authentication finishes
-					reqCaps.push("sasl");
-					capEnd = false;
-				}
-
-				permanentCaps.forEach((cap) => {
-					if (this.availableCaps[cap] !== undefined) {
-						reqCaps.push(cap);
-					}
-				});
-
-				if (reqCaps.length > 0) {
-					this.send({ command: "CAP", params: ["REQ", reqCaps.join(" ")] });
-				}
-
-				if (!this.registered && capEnd) {
-					this.send({ command: "CAP", params: ["END"] });
-				}
-			}
-			break;
-		case "NEW":
-			this.addAvailableCaps(args[0]);
-			console.log("Server added available caps:", args[0]);
-			// TODO: request caps
-			break;
-		case "DEL":
-			args[0].split(" ").forEach((cap) => {
-				delete this.availableCaps[cap];
-				delete this.enabledCaps[cap];
-			});
-			console.log("Server removed available caps:", args[0]);
-			break;
-		case "ACK":
-			console.log("Server ack'ed caps:", args[0]);
-			args[0].split(" ").forEach((cap) => {
-				this.enabledCaps[cap] = true;
-
-				if (cap == "sasl" && this.params.saslPlain) {
-					console.log("Starting SASL PLAIN authentication");
-					this.send({ command: "AUTHENTICATE", params: ["PLAIN"] });
-				}
-			});
-			break;
-		case "NAK":
-			console.log("Server nak'ed caps:", args[0]);
-			if (!this.registered) {
-				this.send({ command: "CAP", params: ["END"] });
-			}
-			break;
-		}
-	}
-
-	handleAuthenticate(msg) {
-		var challengeStr = msg.params[0];
-
-		// For now only PLAIN is supported
-		if (challengeStr != "+") {
-			console.error("Expected an empty challenge, got:", challengeStr);
-			this.send({ command: "AUTHENTICATE", params: ["*"] });
-			return;
-		}
-
-		var respStr = btoa("\0" + this.params.saslPlain.username + "\0" + this.params.saslPlain.password);
-		this.send({ command: "AUTHENTICATE", params: [respStr] });
-	}
-
-	send(msg) {
-		this.ws.send(irc.formatMessage(msg));
-		console.log("Sent:", msg);
-	}
-
-	close() {
-		this.ws.close(1000);
-		this.registered = false;
-	}
-}