wip index.js rewrite 2: electric boogaloo

1 files changed, 148 insertions, 0 deletions

diff --git a/server.js b/server.js
new file mode 100644
index 0000000..1059afd
--- /dev/null
+++ b/server.js
@@ -0,0 +1,148 @@
+import { WebSocketServer } from "ws";
+import { profanity } from "@2toad/profanity";
+import { commands } from "./commands.js";
+import * as accounts from "./accounts.js";
+import fs from "fs";
+import User from "./user.js";
+import handleJsonMessage from './jsondata.js'
+
+export default class Server {
+    sendInChannel(msg, channel) {
+        for (const userID in this.users) {
+            const user = this.users[userID];
+            if (user.channel == channel) user.socket.send(msg);
+        }
+    }
+    
+    format(txt) {
+        txt = String(txt);
+        txt = txt.replaceAll("$(serverName)$", this.config.name);
+        txt = txt.replaceAll("$(userCount)$", Object.keys(this.users).length);
+        for (const configName in this.config) {
+            if (Object.prototype.hasOwnProperty.call(this.config, configName)) {
+                const configValue = this.config[configName];
+                txt = txt.replaceAll(`$(${configName})$`, configValue);
+            }
+        }
+        return txt;
+    }
+    
+    updateUsers() {
+        Object.keys(this.users).forEach((user) => {
+            if (user.subscribedToUsers) {
+                user.socket.send(
+                    `:json.sub<users>:${JSON.stringify(
+                        Object.values(this.users).map((usr) => {
+                            return {
+                                username: usr.username,
+                                nickname: usr.nickname,
+                                t: usr.t,
+                                channel: user.channel,
+                                displayName: user.name(),
+                            };
+                        })
+                    )}`
+                );
+            }
+        });
+    }
+
+    /**
+     * A wsChat server
+     * @param {{
+     *  name: String,
+     *  motd: String,
+     *  max: Number,
+     *  owner: String,
+     *  saveIP: Boolean,
+     *  requireLogin: Boolean,
+     *  profanity: Boolean,
+     *  profanityRemoveWords: String[],
+     *  profanityAddWords: String[],
+     *  fullMessage: String,
+     *  annonFormat: String,
+     *  port: Number,
+     *  channels: String[],
+     *  annonChannels: String[]
+     * }} config
+     */
+    constructor (config) {
+        this.config = config;
+        this.channels = config.channels;
+        this.annonChannels = config.annonChannels;
+        this.accounts = accounts;
+        this.ws = new WebSocketServer({
+            port: this.config.port,
+        });
+
+        if (this.config.profanityRemoveWords) profanity.removeWords(this.config.profanityRemoveWords);
+        if (this.config.profanityAddWords) profanity.addWords(this.config.profanityAddWords);
+
+        this.ws.on("connection", (socket, request) => {
+            if (this.config.max && Object.keys(this.users).length >= this.config.max) {
+                socket.send(this.format(this.config.fullMessage ?? "Sorry, but the server is full right now, come back later"));
+                socket.close(1001, "Server full");
+                return;
+            }
+            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;
+            }
+            const user = new User(request, socket, this)
+            this.users[user.id] = user
+            socket.send(this.format(this.config.motd));
+            console.info(`${user.name()}[${user.id}] joined the server!`);
+            this.sendInChannel(`${user.name()} joined.`, this.users[user.id].channel);
+            this.updateUsers();
+            socket.on("close", function (code, reason) {
+                this.sendInChannel(`${user.name()} left.`, this.users[user.id].channel);
+                this.updateUsers();
+                delete this.users[user.id];
+            });
+            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 "${command}" not found!`);
+                    try {
+                        commandObj.command({
+                            user,
+                            command,
+                            args,
+                            sendInChannel: this.sendInChannel,
+                            server: this,
+                            commands,
+                        });
+                    } catch (error) {
+                        console.error(error);
+                        user.socket.send(`Unexpected error ocurred while running the command`);
+                    }
+                    return;
+                }
+                if (rawData.toString().startsWith(":client")) {
+                    let client = String(rawData).replace(":client", "");
+                    if (!client) return socket.send("Error: client info missing!");
+                    if (client.length < 2) return socket.send("Error: client info too short!");
+                    if (client.length >= 100) return socket.send("Error: client info too long!");
+                    user.client = client;
+                    return;
+                }
+                if(handleJsonMessage(rawData, user)) return;
+                if (this.config.requireLogin && user.guest && !this.annonChannels.includes(user.channel)) return socket.send("This server requires you to log in, use /login <username> <password> to log in or /register <username> <password> to make an account.");
+                profanity.options.grawlixChar = "*";
+                if (!this.config.profanity) rawData = profanity.censor(String(rawData));
+                if (rawData.length < 1) return socket.send("Error: message too short!");
+                if (rawData.length >= 2000) return socket.send("Error: message too long!");
+                this.sendInChannel(`${user.admin ? '[ADMIN] ' : ''}<${user.name()}${user.guest ? " (guest)" : ""}> ${rawData}`, this.channel);
+                console.log(`(#${user.channel}) <${user.name()}> ${rawData}`);
+            });
+        });
+        this.ws.on("listening", () => {
+            console.info("Server started!");
+        });
+    }
+}
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