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import { WebSocketServer } from "ws";
import { getRandomInt } from "./lib.js";
import { profanity } from "@2toad/profanity";
import { commands } from "./commands.ts";
import * as accounts from "./accounts.ts";
import cuid from "cuid";
import fs from "fs";
const server = {
config: JSON.parse(String(fs.readFileSync("config.json"))),
channels: ["home", "off-topic", "randomness"],
annonChannels: ["randomness"],
users: {},
accounts: accounts,
};
if (server.config.profanityRemoveWords) profanity.removeWords(server.config.profanityRemoveWords);
if (server.config.profanityAddWords) profanity.addWords(server.config.profanityAddWords);
const ws = new WebSocketServer({
port: 9933,
});
function sendInChannel(msg, channel) {
for (const userID in server.users) {
const user = server.users[userID];
if (user.channel == channel) user.socket.send(msg);
}
}
function format(txt) {
txt = String(txt);
txt = txt.replaceAll("$(serverName)$", server.config.name);
txt = txt.replaceAll("$(userCount)$", Object.keys(server.users).length);
txt = txt.replaceAll("$(max)$", server.config.max);
return txt;
}
function updateUsers() {
Object.keys(server.users).forEach((user) => {
if (user.subscribedToUsers) {
user.socket.send(
`:json.sub<users>:${JSON.stringify(
Object.values(server.users).map((usr) => {
return {
username: usr.username,
nickname: usr.nickname,
t: usr.t,
channel: user.channel,
displayName: user.name(),
};
})
)}`
);
}
});
}
server.updateUsers = updateUsers;
server.format = format;
ws.on("connection", (socket, request) => {
if (server.config.max && Object.keys(server.users).length >= server.config.max) {
socket.send(format(server.config.fullMessage ?? "Sorry, but the server is full right now, come back later"));
socket.close(1001, "Server full");
return;
}
let userID = cuid();
console.info(`${userID} joined the server.`);
socket.send(format(server.config.motd));
let ip = request.headers["x-forwarded-for"] || request.socket.remoteAddress;
console.log(request.headers["x-forwarded-for"], request.socket.remoteAddress);
let anonID = getRandomInt(0, 99999);
let annonNum = "0".repeat(5 - anonID.toString().length) + anonID.toString()
server.users[userID] = {
username: server.config.annonFormat ? server.config.annonFormat.replace('[num]', annonNum) : 'Anonymous' + annonNum,
nickname: server.config.annonFormat ? server.config.annonFormat.replace('[num]', annonNum) : 'Anonymous' + annonNum,
guest: true,
socket: socket,
joinReq: request,
ip: ip,
t: {
js: Number(new Date()),
unix: Math.floor(new Date().getTime() / 1000),
str: String(new Date()),
},
channel: "home",
name: function () {
return this.nickname != "" ? this.nickname : this.username;
},
};
const user = server.users[userID];
let ipBanList = JSON.parse(String(fs.readFileSync("db/bannedIps.json")));
if (ipBanList[user.ip]) {
socket.send("Your IP is banned for " + ipBanList[user.ip]);
socket.close(1002, "Banned");
return;
}
console.info(`${user.name()} joined the server!`);
sendInChannel(`${user.name()} joined.`, server.users[userID].channel);
server.updateUsers();
socket.on("close", function (code, reason) {
sendInChannel(`${user.name()} left.`, server.users[userID].channel);
server.updateUsers();
delete server.users[userID];
});
socket.on("message", function (rawData) {
if (rawData.toString().startsWith("/")) {
let args = String(rawData).replace("/", "").split(" ");
let command = args.shift();
let commandObj = Object.values(commands).find((cmd) => cmd.name == command || cmd.aliases.includes(command));
console.log(`${user.name()} used /${command}`);
if (!commandObj) return socket.send(`Error: Command "${command}" not found!`);
try {
commandObj.command({
user,
command,
args,
sendInChannel,
server,
commands,
});
} catch (error) {
console.error(error);
user.socket.send(`Unexpected error ocurred while running the command`);
}
return;
}
if (rawData.toString().startsWith(":client")) {
let client = String(rawData).replace(":client", "");
if (!client) return socket.send("Error: client info missing!");
if (client.length < 2) return socket.send("Error: client info too short!");
if (client.length >= 100) return socket.send("Error: client info too long!");
server.users[userID].client = client;
return;
}
if (rawData.toString().startsWith(":jsonGet")) {
let params = String(rawData).split(" ");
params.shift();
switch (params[0]) {
case "channels":
socket.send(":json.channels>" + JSON.stringify(server.channels));
break;
case "users":
socket.send(
":json.users>" +
JSON.stringify(
Object.values(server.users).map((usr) => {
return {
username: usr.username,
nickname: usr.nickname,
t: usr.t,
channel: user.channel,
displayName: user.name(),
};
})
)
);
break;
case "usersLocal":
socket.send(
JSON.stringify(
Object.values(server.users)
.filter((usr) => usr.channel == user.channel)
.map((usr) => {
return {
username: usr.username,
nickname: usr.nickname,
t: usr.t,
channel: user.channel,
displayName: user.name(),
};
})
)
);
break;
default:
socket.send(`unknown "${params[0]}"`);
break;
}
return;
}
if (rawData.toString().startsWith(":jsonSubscribe")) {
let params = String(rawData).split(" ");
params.shift();
switch (params[0]) {
case "users":
user.subscribedToUsers = true;
break;
default:
socket.send(`unknown "${params[0]}"`);
break;
}
return;
}
if (server.config.requireLogin && user.guest && !server.annonChannels.includes(user.channel)) return socket.send("This server requires you to log in, use /login <username> <password> to log in or /register <username> <password> to make an account.");
profanity.options.grawlixChar = "*";
if (!server.config.profanity) rawData = profanity.censor(String(rawData));
if (rawData.length < 1) return socket.send("Error: message too short!");
if (rawData.length >= 2000) return socket.send("Error: message too long!");
sendInChannel(`${user.admin ? '[ADMIN] ' : ''}<${user.name()}${user.guest ? " (guest)" : ""}> ${rawData}`, server.users[userID].channel);
console.log(`(#${server.users[userID].channel}) <${user.name()}> ${rawData}`);
});
});
ws.on("listening", () => {
console.info("[INFO] Server started");
});
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