added creation of default admin user and login. TODO authenticate with session token

auth.js

@@ -1,9 +1,81 @@
-import {db} from './db.js';
+import { createHash, pbkdf2Sync, randomBytes } from "node:crypto";
 
-const users = db.collection('users');
+let db;
+let users;
 
-export function initAuth(app) {
-    app.get('/auth/login', (req, res) => {
-
-    })
+export function initAuth(app, db) {
+    users = db.collection('users');
+    app.post('/auth/login', loginUser);
+}
+
+async function loginUser(req, res) {
+    const username = req.body.username;
+    const password = req.body.password;
+
+    let userCount = await users.estimatedDocumentCount();
+    let sessiontoken = null;
+    if (userCount <= 0) {
+        // create first user
+        sessiontoken = await createUser(username, password, 'admin');
+    } else {
+        // authenticate user
+        sessiontoken = await authenticateUser(username, password);
+    }
+
+    if (sessiontoken !== null) {
+        const expires = new Date();
+        expires.setDate(expires.getDate() + 1);
+
+        res.cookie('jeopardytoken', sessiontoken, {
+            maxAge: 1e3 * 60 * 60 * 24
+        })
+
+        res.sendStatus(200);
+    } else {
+        res.sendStatus(403);
+    }
+}
+
+async function createUser(username, password, role) {
+    const salt = randomBytes(128).toString('base64');
+    const iterations = Math.floor(Math.random() * 5000) + 5000;
+    const hash = generateHash(password, salt, iterations);
+
+    const sessiontoken = generateSessionToken();
+
+    await users.insertOne({
+        username,
+        role,
+        salt,
+        iterations,
+        hash,
+        sessiontoken
+    });
+
+    return sessiontoken;
+}
+
+async function authenticateUser(username, password) {
+    let foundUser = await users.findOne({username});
+    if (foundUser === null) return null;
+
+    const hash = generateHash(password, foundUser.salt, foundUser.iterations);
+
+    if (hash === foundUser.hash) {
+        const sessiontoken = generateSessionToken();
+        await users.updateOne({_id: foundUser._id}, {$set: {
+            sessiontoken
+        }});
+        return sessiontoken;
+    }
+
+    return null;
+}
+
+function generateSessionToken() {
+    return randomBytes(128).toString('base64');
+}
+
+function generateHash(password, salt, iterations) {
+    return pbkdf2Sync(password, salt, iterations, 128, 'sha512').toString('hex');
 }

db.js

@@ -1,6 +1,6 @@
 import { MongoClient } from "mongodb";
 
-const client = new MongoClient(`mongodb://${process.env.MONGODB_USER}:${process.env.MONGODB_PASSWORD}@${process.env.MONGODB_URL}`);
+let client;
 
 const dbName = `jeopardy`;
 
@@ -10,6 +10,7 @@ const dbName = `jeopardy`;
 export let db;
 
 export async function initDbConnection() {
+    client = new MongoClient(`mongodb://${process.env.JEOPARDYSERVER_MONGO_USERNAME}:${process.env.JEOPARDYSERVER_MONGO_PASSWORD}@${process.env.JEOPARDYSERVER_MONGO_URL}/`);
     await client.connect();
     console.log('Connected successfully to mongodb');
     db = client.db(dbName);

index.js

@@ -1,8 +1,11 @@
+import dotenv from "dotenv";
+dotenv.config();
 import express from "express";
 import expressWs from "express-ws";
+import morgan from "morgan";
 import { initWebsocket } from "./websocket.js";
 import { initAuth } from "./auth.js";
-import { close as closeDbConnection, initDbConnection } from "./db.js";
+import { close as closeDbConnection, initDbConnection, db } from "./db.js";
 const app = express();
 const appWs = expressWs(app);
 const port = 12345;
@@ -13,9 +16,12 @@ process.on('exit', function() {
   closeDbConnection();
 });
 
+app.use(morgan(process.env.production ? 'common' : 'dev'));
+app.use(express.json());
+
 await initDbConnection();
 
-initAuth(app);
+initAuth(app, db);
 initWebsocket(app);
 
 app.listen(port, () => {

package-lock.json

@@ -10,9 +10,11 @@
       "license": "ISC",
       "dependencies": {
         "@types/express": "^5.0.3",
+        "dotenv": "^17.2.3",
         "express": "^5.1.0",
         "express-ws": "^5.0.2",
         "mongodb": "^6.20.0",
+        "morgan": "^1.10.1",
         "ws": "^8.18.3"
       },
       "devDependencies": {
@@ -152,6 +154,24 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/basic-auth": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/basic-auth/-/basic-auth-2.0.1.tgz",
+      "integrity": "sha512-NF+epuEdnUYVlGuhaxbbq+dvJttwLnGY+YixlXlME5KpQ5W3CnXA5cVTneY3SPbPDRkcjMbifrwmFYcClgOZeg==",
+      "license": "MIT",
+      "dependencies": {
+        "safe-buffer": "5.1.2"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/basic-auth/node_modules/safe-buffer": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
+      "license": "MIT"
+    },
     "node_modules/body-parser": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-2.2.0.tgz",
@@ -284,6 +304,18 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/dotenv": {
+      "version": "17.2.3",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-17.2.3.tgz",
+      "integrity": "sha512-JVUnt+DUIzu87TABbhPmNfVdBDt18BLOWjMUFJMSi/Qqg7NTYtabbvSNJGOJ7afbRuv9D/lngizHtP7QyLQ+9w==",
+      "license": "BSD-2-Clause",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://dotenvx.com"
+      }
+    },
     "node_modules/dunder-proto": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/dunder-proto/-/dunder-proto-1.0.1.tgz",
@@ -724,6 +756,49 @@
         "whatwg-url": "^14.1.0 || ^13.0.0"
       }
     },
+    "node_modules/morgan": {
+      "version": "1.10.1",
+      "resolved": "https://registry.npmjs.org/morgan/-/morgan-1.10.1.tgz",
+      "integrity": "sha512-223dMRJtI/l25dJKWpgij2cMtywuG/WiUKXdvwfbhGKBhy1puASqXwFzmWZ7+K73vUPoR7SS2Qz2cI/g9MKw0A==",
+      "license": "MIT",
+      "dependencies": {
+        "basic-auth": "~2.0.1",
+        "debug": "2.6.9",
+        "depd": "~2.0.0",
+        "on-finished": "~2.3.0",
+        "on-headers": "~1.1.0"
+      },
+      "engines": {
+        "node": ">= 0.8.0"
+      }
+    },
+    "node_modules/morgan/node_modules/debug": {
+      "version": "2.6.9",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+      "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+      "license": "MIT",
+      "dependencies": {
+        "ms": "2.0.0"
+      }
+    },
+    "node_modules/morgan/node_modules/ms": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+      "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A==",
+      "license": "MIT"
+    },
+    "node_modules/morgan/node_modules/on-finished": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.3.0.tgz",
+      "integrity": "sha512-ikqdkGAAyf/X/gPhXGvfgAytDZtDbr+bkNUJ0N9h5MI/dmdgCs3l6hoHrcUv41sRKew3jIwrp4qQDXiK99Utww==",
+      "license": "MIT",
+      "dependencies": {
+        "ee-first": "1.1.1"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
     "node_modules/ms": {
       "version": "2.1.3",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
@@ -763,6 +838,15 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/on-headers": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/on-headers/-/on-headers-1.1.0.tgz",
+      "integrity": "sha512-737ZY3yNnXy37FHkQxPzt4UZ2UWPWiCZWLvFZ4fu5cueciegX0zGPnrlY6bwRg4FdQOe9YU8MkmJwGhoMybl8A==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
     "node_modules/once": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",

package.json

@@ -12,9 +12,11 @@
   },
   "dependencies": {
     "@types/express": "^5.0.3",
+    "dotenv": "^17.2.3",
     "express": "^5.1.0",
     "express-ws": "^5.0.2",
     "mongodb": "^6.20.0",
+    "morgan": "^1.10.1",
     "ws": "^8.18.3"
   },
   "devDependencies": {

requests/test.http

@@ -1,2 +1,8 @@
 
-GET http://localhost:12345/ HTTP/1.1
+POST http://localhost:12345/auth/login HTTP/1.1
+content-type: application/json
+
+{
+    "username": "jonas",
+    "password": "kappa"
+}