error handling

Dockerfile

@@ -2,8 +2,13 @@ FROM node:22-bullseye
 
 WORKDIR /opt/mcserver
 
-COPY . .
+COPY package.json package.json
+COPY package-lock.json package-lock.json
+
 RUN npm i
 
+COPY . .
+
 EXPOSE 3000
 ENTRYPOINT ["node", "./src/index.js"]
+

public/css/index.css

@@ -64,6 +64,7 @@ canvas {
     margin-top: 0%;
     border: solid 2px gray;
     box-shadow: 0px 20px 150px rgba(0, 0, 0, 1);
+    height:100%;
 }
 
 .action-tabs {
@@ -134,3 +135,8 @@ canvas {
     margin-left: 8px;
     margin-right: 16px;
 }
+
+.map-container {
+	width: 100%;
+	height: 90%;
+}

public/js/chat.js

@@ -44,9 +44,6 @@ $(document).ready(async () => {
 
     await onFetchMessageButtonClick();
     
-
-    
-
     socket.onmessage = message => {
         try {
             message = JSON.parse(message.data)

public/js/skin3d.js

@@ -10,12 +10,16 @@ const uploadSkin = async (event) => {
 	let formData = new FormData();
 	formData.append("file", skinFile);
 
-    await fetch(`/api/uploadSkin`, {
+    const response = await fetch(`/api/uploadSkin`, {
         method: "POST",
         body: formData
     })
 
-       window.location = window.location.href+'?eraseCache=true';
+	if (response.status != 200) {
+		alert(await response.text())
+	} else {
+		window.location.reload(true);
+	}
 }
 
 const uploadCape = async (event) => {
@@ -30,15 +34,18 @@ const uploadCape = async (event) => {
 	let formData = new FormData();
 	formData.append("file", capeFile);
 
-    await fetch(`/api/uploadCape`, {
+    const response = await fetch(`/api/uploadCape`, {
         method: "POST",
         body: formData
     })
 
-       window.location = window.location.href+'?eraseCache=true';
+	if (response.status != 200) {
+		alert(await response.text())
+	} else {
+		window.location.reload(true);
+	}
 }
 
-
 window.onload = async function() {
 	document.getElementById("skinForm").addEventListener("submit", uploadSkin)
 	if (document.getElementById("cape")) {
@@ -52,16 +59,19 @@ window.onload = async function() {
 		document.getElementById("elytra").checked = false;
 	}
 
-	const username = await (await (fetch("/api/getUsername"))).text();
+	const username = await (await (fetch('/api/getUsername'))).text();
+	const skinsUrl = (await (await fetch('/api/skinsUrl')).text()).replace('%username%', username);
+	const capesUrl = (await (await fetch('/api/capesUrl')).text()).replace('%username%', username);
 
 	let skinViewer = new skinview3d.SkinViewer({
 	    canvas: document.getElementById("skin_container"),
 	    width: 300,
 	    height: 400,
-	    skin: `https://launcher.foxarmy.org/skins/${username}.png`,
+	    skin: skinsUrl,
-	    cape: `https://launcher.foxarmy.org/cloaks/${username}.png`
+	    cape: capesUrl
 	});
 	
+	
 	skinViewer.nameTag = username;
 	skinViewer.loadPanorama("images/panorama.jpeg");
 	skinViewer.fov = 120;
@@ -69,7 +79,7 @@ window.onload = async function() {
 	skinViewer.autoRotate = true;
 	
 	function set_cape_type(type) {
-	    skinViewer.loadCape(`https://launcher.foxarmy.org/cloaks/${username}.png`, { backEquipment: type });
+	    skinViewer.loadCape(capesUrl, { backEquipment: type });
 	}
 	
 	

sample.env

@@ -1,10 +1,30 @@
-SECRET=GENERATE_A_STRONG_SECRET_HERE
+#Databse
 DBUSER=mcserver
-DBHOST=localhost
+DBHOST=database
 DBNAME=mcserver
-DBPORT=5432
+DBPORT=5433
 DBPASS=GENERATE_A_STRONG_PASSWORD_HERE
-PORT=3000
+
-REQUIRE_TOKEN=false
+#General
+SECRET=GENERATE_A_STRONG_SECRET_HERE
+APP_PORT=3000
+
+#Token
+REQUIRE_TOKEN=true
 DELETE_TOKEN_ON_USE=true
-WS_CONNECTION_STRING=wss://auth.foxarmy.org
+
+#Chat
+ENABLE_CHAT=false
+WS_CONNECTION_STRING=ws://localhost:3000
+
+#Map
+ENABLE_WORLDMAP=false
+WORLDMAP_URL=http://localhost/map
+
+#Skins
+SKINS_TARGET_DIRECTORY=/opt/skins
+SKINS_URL=https://launcher.foxarmy.org/skins/%username%.png
+
+#Capes
+CAPES_TARGET_DIRECTORY=/opt/cloaks
+CAPES_URL=https://launcher.foxarmy.org/cloaks/%username%.png

src/config.js

@@ -0,0 +1,33 @@
+import dotenv from 'dotenv';
+
+dotenv.config({ path: ".env" });
+
+const getBoolean = value => { return value === 'true'? true : false }
+
+const config = {
+    dbuser: process.env.DBUSER,
+    dbhost: process.env.DBHOST,
+    dbname: process.env.DBNAME,
+    dbport: Number.parseInt(process.env.DBPORT),
+    dbpass: process.env.DBPASS,
+
+    secret: process.env.SECRET,
+    app_port: Number.parseInt(process.env.APP_PORT),
+
+    require_token: getBoolean(process.env.REQUIRE_TOKEN),
+    delete_token_on_use: getBoolean(process.env.DELETE_TOKEN_ON_USE),
+
+    enable_chat: getBoolean(process.env.ENABLE_CHAT),
+    ws_connection_string: process.env.WS_CONNECTION_STRING,
+
+    enable_worldmap: getBoolean(process.env.ENABLE_WORLDMAP),
+    worldmap_url: process.env.WORLDMAP_URL,
+
+    skins_target_directory: process.env.SKINS_TARGET_DIRECTORY,
+    skins_url: process.env.SKINS_URL,
+
+    capes_target_directory: process.env.CAPES_TARGET_DIRECTORY,
+    capes_url: process.env.CAPES_URL
+}
+
+export default config;

src/controllers/api.js

@@ -1,7 +1,5 @@
 import ApiService from "../services/api.js";
-import dotenv from 'dotenv';
+import config from '../config.js';
-
-dotenv.config({path: ".env"});
 
 class ApiController {
     async getChatMessages(req, res) {
@@ -13,7 +11,15 @@ class ApiController {
     }
 
     async getWebsocketConnection(req, res) {
-        return res.status(200).send(process.env.WS_CONNECTION_STRING)
+        return res.status(200).send(config.ws_connection_string);
+    }
+
+    async getSkinsUrl(req, res) {
+        return res.status(200).send(config.skins_url);
+    }
+
+    async getCapesUrl(req, res) {
+        return res.status(200).send(config.capes_url);
     }
 }
 

src/controllers/user.js

@@ -1,14 +1,13 @@
 import bcrypt from 'bcrypt';
 import jwt from 'jsonwebtoken';
-import dotenv from 'dotenv';
 import path from 'path';
 import { Jimp } from 'jimp';
 import fs from 'fs';
 
 import UserService from "../services/user.js";
 import utils from '../utils.js';
+import config from '../config.js';
 
-dotenv.config({path: ".env"});
 class UserController {
     async register(req, res) {
         const { username, password } = req.body;
@@ -27,24 +26,24 @@ class UserController {
 
         await UserService.register(username, hashedPassword);
 
-        if (process.env.REQUIRE_TOKEN == "true" && process.env.DELETE_TOKEN_ON_USE == "true") {
+        if (config.require_token && config.delete_token_on_use) {
             utils.removeFromFile('./inviteTokens.txt', req.body.inviteToken);
         }
 
-        const token = jwt.sign({ username }, process.env.SECRET, {expiresIn: "1y"});
+        const token = jwt.sign({ username }, config.secret, { expiresIn: "1y" });
         res.cookie("jwt", token);
         return res.status(200).send("Ok");
     }
 
     async login(req, res) {
-        const {username, password} = req.body;
+        const { username, password } = req.body;
 
         const storedPassword = await UserService.getPassword(username);
 
         if (!bcrypt.compareSync(password, storedPassword)) {
             return res.status(403).send("Password is not correct");
         }
-        const token = jwt.sign({ username }, process.env.SECRET, {expiresIn: "1y"});
+        const token = jwt.sign({ username }, config.secret, { expiresIn: "1y" });
         res.cookie("jwt", token);
         return res.status(200).send("Ok");
     }
@@ -77,21 +76,28 @@ class UserController {
         const token = req.cookies["jwt"];
         const decoded = jwt.decode(token);
         const tempPath = req.file.path;
-        const targetPath = `/opt/skins/${decoded.username}.png`;
+        const targetPath = config.skins_target_directory + `/${decoded.username}.png`;
 
         if (path.extname(req.file.originalname).toLowerCase() !== ".png") {
             return res.status(400).send("Only .png files are allowed!");
         }
-        
+        try {
-
+            const image = await Jimp.read(tempPath);
-        const image = await Jimp.read(tempPath);
+        } catch (err) {
-        if (image.bitmap.width != 64 || image.bitmap.height != 64) {
+            console.log(`Error during cape installation, ${err}`)
+            return res.status(500).send("Internal server error. Please, report to the developer.")
+        }
+        const allowedWidths = [32, 64, 128];
+        const allowedHeights = [32, 64];
+        if (!allowedWidths.includes(image.bitmap.width) || !allowedHeights.includes(image.bitmap.height)) {
             return res.status(400).send('This does not look like a minecraft skin.');
         }
-
+        try {
-        fs.renameSync(tempPath, targetPath, err => {
+            await fs.promises.cp(tempPath, targetPath);
-            if (err) return res.status(500).send("Ooops! Something went wrong! Please, report to the developer.");
+            await fs.promises.unlink(tempPath);
-        });
+        } catch (err) {
+            return res.status(500).send("Ooops! Something went wrong! Please, report to the developer.");
+        }
         return res.status(200).send("Skin uploaded!");
     }
 
@@ -99,21 +105,28 @@ class UserController {
         const token = req.cookies["jwt"];
         const decoded = jwt.decode(token);
         const tempPath = req.file.path;
-        const targetPath = `/opt/cloaks/${decoded.username}.png`;
+        const targetPath = config.capes_target_directory + `/${decoded.username}.png`;
 
         if (path.extname(req.file.originalname).toLowerCase() !== ".png") {
             return res.status(400).send("Only .png files are allowed!");
         }
-        
+        try {
-
+            const image = await Jimp.read(tempPath);
-        const image = await Jimp.read(tempPath);
+        }
+        catch (err) {
+            console.log(`Error during cape installation, ${err}`)
+            return res.status(500).send("Internal server error. Please, report to the developer.")
+        }
         if ((image.bitmap.width != 64 || image.bitmap.height != 32) && (image.bitmap.width != 128 || image.bitmap.height != 64)) {
             return res.status(400).send('This does not look like a minecraft cape.');
         }
 
-        fs.renameSync(tempPath, targetPath, err => {
+        try {
-            if (err) return res.status(500).send("Ooops! Something went wrong! Please, report to the developer.");
+            await fs.promises.cp(tempPath, targetPath);
-        });
+            await fs.promises.unlink(tempPath);
+        } catch (err) {
+            return res.status(500).send("Ooops! Something went wrong! Please, report to the developer.");
+        }
 
         return res.status(200).send("Cape uploaded!");
     }

src/db.js

@@ -1,19 +1,18 @@
 import pg from 'pg';
 import fs from 'fs';
-import dotenv from 'dotenv';
 
-dotenv.config({path: ".env"});
+import config from './config.js';
 
 const { Pool } = pg;
 
 console.log("Connecting to PostgreSQL database");
 
 const pool = new Pool({
-    user: process.env.DBUSER,
+    user: config.dbuser,
-    host: process.env.DBHOST,
+    host: config.dbhost,
-    database: process.env.DBNAME,
+    database: config.dbnape,
-    password: process.env.DBPASS,
+    password: config.dbpass,
-    port: process.env.DBPORT
+    port: config.dbport
 });
 
 pool.query(fs.readFileSync('./db_schema.psql').toString());

src/index.js

@@ -1,5 +1,4 @@
 import express from 'express';
-import dotenv from 'dotenv';
 import session from 'express-session';
 import cookieParser from 'cookie-parser';
 import path from 'path';
@@ -7,13 +6,12 @@ import path from 'path';
 import ApiRouter from './routers/api.js';
 import UserRouter from './routers/user.js';
 import startChat from './messages.js';
+import config from './config.js';
 
 const app = express();
 
-dotenv.config({ path: ".env" });
-
 app.use(session({
-    secret: process.env.SECRET,
+    secret: config.secret,
     resave: true,
     saveUninitialized: false,
     cookie: { maxAge: 1000 * 60 * 60 * 24 }
@@ -28,9 +26,12 @@ app.set('view engine', 'pug');
 app.use('/api', ApiRouter);
 app.use('/', UserRouter);
 
-const server = app.listen(process.env.PORT, () => {
+const server = app.listen(config.app_port, () => {
     console.log("App has been started!");
-    startChat();
+
+    if(config.enable_chat) {
+        startChat();
+    }
 });
 
 export default server;

src/middlewares/auth.js

@@ -1,15 +1,14 @@
 import fs from 'fs';
-import dotenv from 'dotenv';
 import jwt from 'jsonwebtoken';
 
 import UserService from '../services/user.js';
+import config from '../config.js';
 
-dotenv.config({path: ".env"});
 
 const authenticate = async (req, res, next) => {
     try {
         const token = req.cookies["jwt"];
-        if (!token || !jwt.verify(token, process.env.SECRET)) {
+        if (!token || !jwt.verify(token, config.secret)) {
             req.session.destroy();
             res.clearCookie("jwt");
             return res.redirect("/login");
@@ -17,11 +16,14 @@ const authenticate = async (req, res, next) => {
         next();
     } catch(e) {
         console.log(e)
+	req.session.destroy();
+        res.clearCookie("jwt");
+        return res.redirect("/login");
     }
 };
 
 const validateInviteToken = async (req, res, next) => {
-    if (process.env.REQUIRE_TOKEN != "true") return next();
+    if (!config.require_token) return next();
 
     const { inviteToken } = req.body;
     if (!inviteToken || inviteToken == "") return res.status(400).send("Token is not valid");

src/middlewares/existance.js

@@ -1,9 +1,7 @@
-import dotenv from 'dotenv';
 import jwt from 'jsonwebtoken';
 
 import UserService from '../services/user.js';
-
+import config from '../config.js';
-dotenv.config({path: ".env"});
 
 const userDoesNotExist = async (req, res, next) => {
 
@@ -20,7 +18,7 @@ const userExist = async (req, res, next) => {
     if (req.body.username) {
         username = req.body.username;
     } else if (req.cookies["jwt"]) {
-        if (!req.cookies["jwt"] || !jwt.verify(req.cookies["jwt"], process.env.SECRET)) {
+        if (!req.cookies["jwt"] || !jwt.verify(req.cookies["jwt"], config.secret)) {
             return res.status(403).send("Unauthorized");
         }
         username = jwt.decode(req.cookies["jwt"]).username;

src/middlewares/requiredParameters.js

@@ -1,6 +1,4 @@
-import dotenv from 'dotenv';
+import config from '../config.js';
-
-dotenv.config({path: ".env"});
 
 const requireUsername = async (req, res, next) => {
     const { username } = req.body;
@@ -19,7 +17,7 @@ const requirePassword = async (req, res, next) => {
 const requireInviteToken = async (req, res, next) => {
     const { inviteToken } = req.body;
 
-    if (!inviteToken && process.env.REQUIRE_TOKEN == "true") return res.status(400).send("Invite token is required");
+    if (!inviteToken && config.require_token) return res.status(400).send("Invite token is required");
     next();
 };
 

src/routers/api.js

@@ -14,10 +14,15 @@ ApiRouter.post('/register', requiredParameters.requireUsername, requiredParamete
 ApiRouter.post('/login', requiredParameters.requireUsername, requiredParameters.requirePassword, existance.userExist, UserController.login);
 ApiRouter.get('/logout', auth.authenticate, UserController.logout);
 ApiRouter.post('/changepassword', auth.authenticate, existance.userExist, UserController.changePassword);
+
 ApiRouter.post('/uploadSkin', existance.userExist, auth.authenticate, utils.upload.single('file'), requiredParameters.requireFile, UserController.uploadSkin);
 ApiRouter.post('/uploadCape', existance.userExist, auth.authenticate, auth.canHaveCloak, utils.upload.single('file'), requiredParameters.requireFile, UserController.uploadCape);
+
 ApiRouter.get('/getUsername', existance.userExist, auth.authenticate, UserController.getUsername);
 ApiRouter.get('/getChatMessages/:offset/:limit', auth.authenticate, ApiController.getChatMessages);
-ApiRouter.get('/webSocketConnection', auth.authenticate, ApiController.getWebsocketConnection)
+ApiRouter.get('/webSocketConnection', auth.authenticate, ApiController.getWebsocketConnection);
+
+ApiRouter.get('/skinsUrl', auth.authenticate, ApiController.getSkinsUrl);
+ApiRouter.get('/capesUrl', auth.authenticate, ApiController.getCapesUrl);
 
 export default ApiRouter;

src/routers/user.js

@@ -1,25 +1,23 @@
 import { Router } from 'express';
 import jwt from 'jsonwebtoken';
-import dotenv from 'dotenv';
 
 import auth from '../middlewares/auth.js';
 import UserService from '../services/user.js';
-
+import config from '../config.js';
-dotenv.config({path: ".env"});
 
 const UserRouter = new Router();
 
 UserRouter.get('/register', async (req, res) => {
-    if (req.cookies["jwt"] && jwt.verify(req.cookies["jwt"], process.env.SECRET))
+    if (req.cookies["jwt"] && jwt.verify(req.cookies["jwt"], config.secret))
         return res.redirect("/index");
 
     return res.render("register.pug", {
-        require_token: process.env.REQUIRE_TOKEN == "true"? true : false
+        require_token: config.require_token? true : false
     });
 });
 
 UserRouter.get(['/', '/login'], async (req, res) => {
-    if(req.cookies["jwt"] && jwt.verify(req.cookies["jwt"], process.env.SECRET)) {
+    if(req.cookies["jwt"] && jwt.verify(req.cookies["jwt"], config.secret)) {
         return res.redirect("/index");
     }
 
@@ -31,7 +29,9 @@ UserRouter.get(['/index', '/skin'], auth.authenticate, async (req, res) => {
 
     return res.render('skin.pug', {
         username: username,
-        can_have_cloak: await UserService.canHaveCloak(username)
+        can_have_cloak: await UserService.canHaveCloak(username),
+        enable_chat: config.enable_chat,
+        enable_worldmap: config.enable_worldmap
     });
 });
 
@@ -39,7 +39,9 @@ UserRouter.get('/changepassword', auth.authenticate, async (req, res) => {
     const username = jwt.decode(req.cookies["jwt"]).username;
 
     return res.render('changepassword.pug', {
-        can_have_cloak: await UserService.canHaveCloak(username)
+        can_have_cloak: await UserService.canHaveCloak(username),
+        enable_chat: config.enable_chat,
+        enable_worldmap: config.enable_worldmap
     });
 });
 
@@ -47,7 +49,9 @@ UserRouter.get('/chat', auth.authenticate, async (req, res) => {
     const username = jwt.decode(req.cookies["jwt"]).username;
 
     return res.render('chat.pug', {
-        can_have_cloak: await UserService.canHaveCloak(username)
+        can_have_cloak: await UserService.canHaveCloak(username),
+        enable_chat: config.enable_chat,
+        enable_worldmap: config.enable_worldmap
     });
 });
 
@@ -55,7 +59,10 @@ UserRouter.get('/worldmap', auth.authenticate, async (req, res) => {
     const username = jwt.decode(req.cookies["jwt"]).username;
 
     return res.render('worldmap.pug', {
-        can_have_cloak: await UserService.canHaveCloak(username)
+        can_have_cloak: await UserService.canHaveCloak(username),
+        enable_worldmap: config.enable_worldmap,
+        enable_chat: config.enable_chat,
+        worldmap_url: config.worldmap_url
     });
 });
 

views/header.pug

@@ -6,6 +6,8 @@ div(class="action-tabs")
     else 
         button(class="actionTabButton" id="skinsTabButton" onclick="goToPage('/index')") Скин
     button(class="actionTabButton" id="passwordChangeTabButton" onclick="goToPage('/changepassword')") Сменить пароль
-    button(class="actionTabButton" id="chatTabButton" onclick="goToPage('/chat')") Чат
+    if (enable_chat)
-    button(class="actionTabButton" id="chatTabButton" onclick="goToPage('/worldmap')") Карта мира
+        button(class="actionTabButton" id="chatTabButton" onclick="goToPage('/chat')") Чат
+    if (enable_worldmap)
+        button(class="actionTabButton" id="chatTabButton" onclick="goToPage('/worldmap')") Карта мира
     button(class="actionTabButton logoutTabButton" id="logoutTabButton" onclick="window.location.href='/api/logout'") Выйти

views/worldmap.pug

@@ -10,4 +10,4 @@ html
         div(class="content-container")
             div(class="map-container")
                 h1 Карта
-                p Пока что тут пусто, но скоро будет кое-что интересное!
+                iframe(src=worldmap_url class="map-container")