Release 2.0.0

Reworked default points

.gitignore

@@ -143,3 +143,4 @@ vite.config.ts.timestamp-*
 # user files
 
 /responses
+/data

.prettierrc

@@ -0,0 +1,7 @@
+{
+    "tabWidth": 4,
+    "useTabs": false,
+    "semi": true,
+    "singleQuote": true,
+    "endOfLine": "lf"
+}

Dockerfile

@@ -11,6 +11,8 @@ COPY . .
 RUN npm prune --production
 
 FROM node:${NODE_VERSION}-alpine
+RUN mkdir -p /data
+RUN chown node /data
 WORKDIR /app
 COPY --from=builder /app/node_modules node_modules/
 COPY --from=builder /app/index.js .
@@ -18,4 +20,5 @@ COPY --from=builder /app/src src/
 USER node
 EXPOSE 12345
 ENV NODE_ENV=production
+ENV JEOPARDY_CDN_DATA_PATH=/data
 CMD [ "node", "."]

Readme.md

@@ -25,7 +25,7 @@ Ansonsten kann man auch mit `npm run dev` entwickeln.
     cd /opt/jeopardy/Jeopardy-Server
     git fetch --tags
     git checkout <versionsnummer>
-    docker build -t jeopardy .
+    docker build -t jeopardyserver .
     docker tag jeopardyserver:latest jeopardyserver:<versionsnummer>
     cd ..
     docker compose up -d

index.js

@@ -1,24 +1,20 @@
-import dotenv from "dotenv";
+import dotenv from 'dotenv';
 dotenv.config();
-import express from "express";
+import express from 'express';
-import expressWs from "express-ws";
+import expressWs from 'express-ws';
-import morgan from "morgan";
+import morgan from 'morgan';
-import cookieParser from "cookie-parser";
+import cookieParser from 'cookie-parser';
-import cors from "cors";
+import cors from 'cors';
-import { initWebsocket } from "./src/websocket.js";
+import { initWebsocket } from './src/websocket.js';
-import { initAuth } from "./src/auth.js";
+import { initAuth } from './src/auth.js';
-import { close as closeDbConnection, initDbConnection, db } from "./src/db.js";
+import { initDbConnection, db } from './src/db.js';
-import { initUsers } from "./src/user.js";
+import { initUsers } from './src/user.js';
+import { initCdn } from './src/cdn.js';
+import { initGames } from './src/games.js';
 const app = express();
 const appWs = expressWs(app);
 const port = 12345;
 
-process.on('exit', function() {
-  console.log('Shutting down...');
-  console.log('Closing db connection...');
-  closeDbConnection();
-});
-
 app.use(cors({ credentials: true, origin: process.env.JEOPARDY_URL }));
 app.use(morgan(process.env.production ? 'common' : 'dev'));
 app.use(express.json());
@@ -29,6 +25,8 @@ await initDbConnection();
 initAuth(app, db);
 initUsers(app, db);
 initWebsocket(app);
+initCdn(app, db);
+initGames(app, db);
 
 app.listen(port, () => {
     console.log(`Listening on port ${port}`);

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "jeopardyserver",
-  "version": "1.0.3",
+  "version": "2.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "jeopardyserver",
-      "version": "1.0.3",
+      "version": "2.0.0",
       "license": "ISC",
       "dependencies": {
         "@types/express": "^5.0.3",
@@ -17,10 +17,12 @@
         "express-ws": "^5.0.2",
         "mongodb": "^6.20.0",
         "morgan": "^1.10.1",
+        "multer": "^2.0.2",
         "ws": "^8.18.3"
       },
       "devDependencies": {
-        "@types/node": "^24.6.0"
+        "@types/node": "^24.6.0",
+        "prettier": "^3.7.4"
       }
     },
     "node_modules/@mongodb-js/saslprep": {
@@ -156,6 +158,12 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/append-field": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/append-field/-/append-field-1.0.0.tgz",
+      "integrity": "sha512-klpgFSWLW1ZEs8svjfb7g4qWY0YS5imI82dTg+QahUvJ8YqAY0P10Uk8tTyh9ZGuYEZEMaeJYCF5BFuX552hsw==",
+      "license": "MIT"
+    },
     "node_modules/basic-auth": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/basic-auth/-/basic-auth-2.0.1.tgz",
@@ -203,6 +211,23 @@
         "node": ">=16.20.1"
       }
     },
+    "node_modules/buffer-from": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.2.tgz",
+      "integrity": "sha512-E+XQCRwSbaaiChtv6k6Dwgc+bx+Bs6vuKJHHl5kox/BaKbhiXzqQOwK4cO22yElGp2OCmjwVhT3HmxgyPGnJfQ==",
+      "license": "MIT"
+    },
+    "node_modules/busboy": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/busboy/-/busboy-1.6.0.tgz",
+      "integrity": "sha512-8SFQbg/0hQ9xy3UNTB0YEnsNBbWfhf7RtnzpL7TkBiTBRfrQ9Fxcnz7VJsleJpyp6rVLvXiuORqjlHi5q+PYuA==",
+      "dependencies": {
+        "streamsearch": "^1.1.0"
+      },
+      "engines": {
+        "node": ">=10.16.0"
+      }
+    },
     "node_modules/bytes": {
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.2.tgz",
@@ -241,6 +266,21 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/concat-stream": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-2.0.0.tgz",
+      "integrity": "sha512-MWufYdFw53ccGjCA+Ol7XJYpAlW6/prSMzuPOTRnJGcGzuhLn4Scrz7qf6o8bROZ514ltazcIFJZevcfbo0x7A==",
+      "engines": [
+        "node >= 6.0"
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "buffer-from": "^1.0.0",
+        "inherits": "^2.0.3",
+        "readable-stream": "^3.0.2",
+        "typedarray": "^0.0.6"
+      }
+    },
     "node_modules/content-disposition": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-1.0.0.tgz",
@@ -734,6 +774,27 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/minimist": {
+      "version": "1.2.8",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz",
+      "integrity": "sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/mkdirp": {
+      "version": "0.5.6",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.6.tgz",
+      "integrity": "sha512-FP+p8RB8OWpF3YZBCrP5gtADmtXApB5AMLn+vdyA+PyxCjrCs00mjyUozssO33cwDeT3wNGdLxJ5M//YqtHAJw==",
+      "license": "MIT",
+      "dependencies": {
+        "minimist": "^1.2.6"
+      },
+      "bin": {
+        "mkdirp": "bin/cmd.js"
+      }
+    },
     "node_modules/mongodb": {
       "version": "6.20.0",
       "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-6.20.0.tgz",
@@ -839,6 +900,67 @@
       "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
       "license": "MIT"
     },
+    "node_modules/multer": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/multer/-/multer-2.0.2.tgz",
+      "integrity": "sha512-u7f2xaZ/UG8oLXHvtF/oWTRvT44p9ecwBBqTwgJVq0+4BW1g8OW01TyMEGWBHbyMOYVHXslaut7qEQ1meATXgw==",
+      "license": "MIT",
+      "dependencies": {
+        "append-field": "^1.0.0",
+        "busboy": "^1.6.0",
+        "concat-stream": "^2.0.0",
+        "mkdirp": "^0.5.6",
+        "object-assign": "^4.1.1",
+        "type-is": "^1.6.18",
+        "xtend": "^4.0.2"
+      },
+      "engines": {
+        "node": ">= 10.16.0"
+      }
+    },
+    "node_modules/multer/node_modules/media-typer": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
+      "integrity": "sha512-dq+qelQ9akHpcOl/gUVRTxVIOkAJ1wR3QAvb4RsVjS8oVoFjDGTc679wJYmUmknUF5HwMLOgb5O+a3KxfWapPQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/multer/node_modules/mime-db": {
+      "version": "1.52.0",
+      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
+      "integrity": "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/multer/node_modules/mime-types": {
+      "version": "2.1.35",
+      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
+      "integrity": "sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==",
+      "license": "MIT",
+      "dependencies": {
+        "mime-db": "1.52.0"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/multer/node_modules/type-is": {
+      "version": "1.6.18",
+      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
+      "integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==",
+      "license": "MIT",
+      "dependencies": {
+        "media-typer": "0.3.0",
+        "mime-types": "~2.1.24"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
     "node_modules/negotiator": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-1.0.0.tgz",
@@ -918,6 +1040,22 @@
         "url": "https://opencollective.com/express"
       }
     },
+    "node_modules/prettier": {
+      "version": "3.7.4",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.7.4.tgz",
+      "integrity": "sha512-v6UNi1+3hSlVvv8fSaoUbggEM5VErKmmpGA7Pl3HF8V6uKY7rvClBOJlH6yNwQtfTueNkGVpOv/mtWL9L4bgRA==",
+      "dev": true,
+      "license": "MIT",
+      "bin": {
+        "prettier": "bin/prettier.cjs"
+      },
+      "engines": {
+        "node": ">=14"
+      },
+      "funding": {
+        "url": "https://github.com/prettier/prettier?sponsor=1"
+      }
+    },
     "node_modules/proxy-addr": {
       "version": "2.0.7",
       "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.7.tgz",
@@ -995,6 +1133,20 @@
         "url": "https://opencollective.com/express"
       }
     },
+    "node_modules/readable-stream": {
+      "version": "3.6.2",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.2.tgz",
+      "integrity": "sha512-9u/sniCrY3D5WdsERHzHE4G2YCXqoG5FTHUiCC4SIbr6XcLZBY05ya9EKjYek9O5xOAwjGq+1JdGBAS7Q9ScoA==",
+      "license": "MIT",
+      "dependencies": {
+        "inherits": "^2.0.3",
+        "string_decoder": "^1.1.1",
+        "util-deprecate": "^1.0.1"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
     "node_modules/router": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/router/-/router-2.2.0.tgz",
@@ -1170,6 +1322,23 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/streamsearch": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/streamsearch/-/streamsearch-1.1.0.tgz",
+      "integrity": "sha512-Mcc5wHehp9aXz1ax6bZUyY5afg9u2rv5cqQI3mRrYkGC8rW2hM02jWuwjtL++LS5qinSyhj2QfLyNsuc+VsExg==",
+      "engines": {
+        "node": ">=10.0.0"
+      }
+    },
+    "node_modules/string_decoder": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
+      "integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
+      "license": "MIT",
+      "dependencies": {
+        "safe-buffer": "~5.2.0"
+      }
+    },
     "node_modules/toidentifier": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
@@ -1205,6 +1374,12 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/typedarray": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
+      "integrity": "sha512-/aCDEGatGvZ2BIk+HmLf4ifCJFwvKFNb9/JeZPMulfgFracn9QFcAf5GO8B/mweUjSoblS5In0cWhqpfs/5PQA==",
+      "license": "MIT"
+    },
     "node_modules/undici-types": {
       "version": "7.13.0",
       "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.13.0.tgz",
@@ -1220,6 +1395,12 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/util-deprecate": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+      "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==",
+      "license": "MIT"
+    },
     "node_modules/vary": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
@@ -1277,6 +1458,15 @@
           "optional": true
         }
       }
+    },
+    "node_modules/xtend": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
+      "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.4"
+      }
     }
   }
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "jeopardyserver",
-  "version": "1.0.3",
+  "version": "2.0.0",
   "description": "",
   "license": "ISC",
   "author": "",
@@ -19,9 +19,11 @@
     "express-ws": "^5.0.2",
     "mongodb": "^6.20.0",
     "morgan": "^1.10.1",
+    "multer": "^2.0.2",
     "ws": "^8.18.3"
   },
   "devDependencies": {
-    "@types/node": "^24.6.0"
+    "@types/node": "^24.6.0",
+    "prettier": "^3.7.4"
   }
 }

requests/auth.http

@@ -6,7 +6,7 @@ content-type: application/json
 
 {
     "username": "jonas",
-    "password": "paula"
+    "password": "jonas"
 }
 
 ###

requests/user.http

@@ -43,3 +43,13 @@ Content-Type: application/json
     "old": "DkgnWspm4To2ww==",
     "new": "Kolata"
 }
+
+
+###
+
+DELETE {{url}}/admin/user HTTP/1.1
+Content-Type: application/json
+
+{
+    "userid": "68e0f66a7b5795e3704501cf"
+}

src/auth.js

@@ -1,4 +1,4 @@
-import { createUser, generateHash, updateSessionToken } from "./userHelper.js";
+import { createUser, generateHash, updateSessionToken } from './userHelper.js';
 
 let db;
 let users;
@@ -12,19 +12,19 @@ export function initAuth(app, db) {
 }
 
 async function getUserInfo(req, res) {
-    const sessiontoken = await updateSessionToken(users, req.user._id);
+    // const sessiontoken = await updateSessionToken(users, req.user._id);
 
-    setTokenCookie(res, sessiontoken);
+    // setTokenCookie(res, sessiontoken);
 
     res.status(200).send({
         username: req.user.username,
         role: req.user.role,
-        _id: req.user._id
+        _id: req.user._id,
     });
 }
 
 async function checkSessionToken(req, res, next) {
-    if (req.path.startsWith("/auth/")) {
+    if (req.path.startsWith('/auth/')) {
         next();
         return;
     }
@@ -41,8 +41,8 @@ async function checkSessionToken(req, res, next) {
     req.user = {
         role: user.role,
         username: user.username,
-        _id: user._id
+        _id: user._id,
-    }
+    };
 
     next();
 }
@@ -59,7 +59,7 @@ function checkAuthorization(role) {
         } else {
             res.status(403).send();
         }
-    }
+    };
 }
 
 async function loginUser(req, res) {
@@ -79,13 +79,21 @@ async function loginUser(req, res) {
     if (userobj !== null) {
         setTokenCookie(res, userobj.sessiontoken);
 
-        res.status(200).send({username: userobj.username, role: userobj.role, _id: userobj._id});
+        res.status(200).send({
+            username: userobj.username,
+            role: userobj.role,
+            _id: userobj._id,
+        });
     } else {
         res.sendStatus(403);
     }
 }
 
-export async function authenticateUser(username, password, updateSession = true) {
+export async function authenticateUser(
+    username,
+    password,
+    updateSession = true,
+) {
     let foundUser = await users.findOne({ username });
     if (foundUser === null) return null;
 
@@ -94,9 +102,19 @@ export async function authenticateUser(username, password, updateSession = true)
     if (hash === foundUser.hash) {
         if (updateSession) {
             let sessiontoken = await updateSessionToken(users, foundUser._id);
-            return {sessiontoken, username, role: foundUser.role, _id: foundUser._id};
+            return {
+                sessiontoken,
+                username,
+                role: foundUser.role,
+                _id: foundUser._id,
+            };
         } else {
-            return {sessiontoken: foundUser.sessiontoken, username, role: foundUser.role, _id: foundUser._id};
+            return {
+                sessiontoken: foundUser.sessiontoken,
+                username,
+                role: foundUser.role,
+                _id: foundUser._id,
+            };
         }
     }
 
@@ -108,7 +126,7 @@ function setTokenCookie(res, sessiontoken) {
     expires.setDate(expires.getDate() + 1);
 
     res.cookie('jeopardytoken', sessiontoken, {
-        maxAge: 1e3 * 60 * 60 * 24,
+        maxAge: 1e3 * 60 * 60 * 24 * 7,
-        path: "/"
+        path: '/',
-    })
+    });
 }

src/cdn.js

@@ -0,0 +1,328 @@
+import { rmSync } from 'fs';
+import { copyFile, mkdir, readdir, rm } from 'fs/promises';
+import { Collection, Db, ObjectId } from 'mongodb';
+import multer from 'multer';
+
+const dataPath = process.env.JEOPARDY_CDN_DATA_PATH;
+const upload = multer({ dest: dataPath });
+
+/**
+ * @type {Collection}
+ */
+let ressources;
+
+function buildPath(userid, path) {
+    return `${dataPath}/${userid}${path.length === '/' ? '' : path}`;
+}
+
+function ressourcePath(res) {
+    return `${res.fullpath}/${res.filename}`;
+}
+
+/**
+ *
+ * @param {*} app
+ * @param {Db} db
+ */
+export function initCdn(app, db) {
+    ressources = db.collection('ressources');
+    app.post('/upload', upload.single('file'), uploadFile);
+    app.get('/cdn/:userid/:resid', fetchFile);
+    app.put('/cdn/:userid/:resid', renameFile);
+    app.delete('/cdn/:userid/:resid', deleteFile);
+    app.get('/ressource', fetchRessource);
+    app.post('/directory', fetchDirectory);
+    app.put('/directory', addDirectory);
+    app.delete('/directory', deleteDirectory);
+}
+
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ * @param {import('express').NextFunction} next
+ */
+function uploadFile(req, res, next) {
+    console.log(req.file, req.body);
+
+    /**
+     * @type {string | undefined}
+     */
+    const path = req.body.path;
+
+    if (path !== undefined && path.startsWith('/') && !path.includes('.')) {
+        let destinationPath = buildPath(req.user._id, req.body.path);
+        mkdir(destinationPath, {
+            recursive: true,
+        })
+            .then(() => {
+                return copyFile(
+                    req.file.path,
+                    `${destinationPath}/${req.file.filename}`,
+                );
+            })
+            .then(async () => {
+                rmSync(req.file.path);
+
+                await ressources.insertOne({
+                    fullpath: destinationPath,
+                    path: path,
+                    user: req.user._id,
+                    mimetype: req.file.mimetype,
+                    name: req.file.originalname,
+                    filename: req.file.filename,
+                });
+
+                res.sendStatus(200);
+            })
+            .catch((err) => {
+                console.error(err);
+                rmSync(req.file.path);
+                res.sendStatus(500);
+            });
+    } else {
+        rmSync(req.file.path);
+        res.sendStatus(400);
+    }
+}
+
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ */
+async function fetchRessource(req, res) {
+    if (req.query.id === undefined || req.query.id.length <= 0) {
+        res.sendStatus(400);
+        return;
+    }
+
+    const id = new ObjectId(req.query.id);
+
+    ressources
+        .findOne({
+            _id: id,
+            user: req.user._id,
+        })
+        .then((ressource) => {
+            if (ressource) {
+                res.status(200).send(ressource);
+            } else {
+                res.sendStatus(404);
+            }
+        });
+}
+
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ */
+async function fetchFile(req, res) {
+    let ressource = await ressources.findOne({
+        user: new ObjectId(req.params.userid),
+        _id: new ObjectId(req.params.resid),
+    });
+
+    if (ressource) {
+        res.sendFile(ressourcePath(ressource));
+    } else {
+        res.sendStatus(404);
+    }
+}
+
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ */
+async function renameFile(req, res) {
+    if (req.user._id.toString() !== req.params.userid) {
+        res.sendStatus(403);
+        return;
+    }
+    if (
+        req.body === undefined ||
+        req.body.name === undefined ||
+        req.body.name.length <= 0 ||
+        /\.{2}|\/|\\/.test(req.body.name)
+    ) {
+        res.sendStatus(400);
+        return;
+    }
+
+    const name = req.body.name;
+
+    let ressource = await ressources.findOne({
+        user: new ObjectId(req.params.userid),
+        filename: req.params.resid,
+    });
+
+    if (!ressource) {
+        console.log('Ressource could not be found');
+        res.sendStatus(400);
+        return;
+    }
+
+    ressources
+        .updateOne(
+            {
+                _id: ressource._id,
+            },
+            {
+                $set: {
+                    name,
+                },
+            },
+        )
+        .then(() => {
+            res.sendStatus(200);
+        })
+        .catch((err) => {
+            console.error(err);
+            res.sendStatus(500);
+        });
+}
+
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ */
+async function deleteFile(req, res) {
+    if (req.user._id.toString() !== req.params.userid) {
+        res.sendStatus(403);
+        return;
+    }
+    let ressource = await ressources.findOne({
+        user: new ObjectId(req.params.userid),
+        filename: req.params.resid,
+    });
+
+    if (!ressource) {
+        console.log('Ressource could not be found');
+        res.sendStatus(400);
+        return;
+    }
+
+    rm(ressourcePath(ressource))
+        .then(() => {
+            return ressources.deleteOne({ _id: ressource._id });
+        })
+        .then(() => {
+            res.sendStatus(200);
+        })
+        .catch((err) => {
+            console.error(err);
+            res.sendStatus(500);
+        });
+}
+
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ */
+async function fetchDirectory(req, res) {
+    if (!req.body) {
+        res.sendStatus(400);
+        return;
+    }
+    const path = req.body.path;
+    if (!path) {
+        res.sendStatus(400);
+        return;
+    }
+
+    const files = ressources.find({
+        path,
+    });
+
+    readdir(buildPath(req.user._id, path), {
+        withFileTypes: true,
+    })
+        .then(async (value) => {
+            let directories = value
+                .filter((dir) => dir.isDirectory())
+                .map((dir) => {
+                    return {
+                        name: dir.name,
+                        isDir: true,
+                    };
+                });
+
+            res.status(200).send([...directories, ...(await files.toArray())]);
+        })
+        .catch(async (err) => {
+            console.error(err);
+            res.status(200).send(await files.toArray());
+        });
+}
+
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ */
+async function addDirectory(req, res) {
+    if (!req.body) {
+        res.sendStatus(400);
+        return;
+    }
+    const name = req.body.name;
+    const path = req.body.path;
+    if (!name || !path || !/^[a-zA-Z0-9-_]+$/.test(name)) {
+        res.sendStatus(400);
+        return;
+    }
+
+    mkdir(buildPath(req.user._id, path + '/' + name))
+        .then(() => {
+            res.sendStatus(200);
+        })
+        .catch((err) => {
+            console.error(err);
+            res.sendStatus(500);
+        });
+}
+
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ */
+async function deleteDirectory(req, res) {
+    console.log(req.body);
+    if (
+        req.body === undefined ||
+        req.body.path === undefined ||
+        req.body.path.length <= 0
+    ) {
+        res.sendStatus(400);
+        return;
+    }
+
+    console.log(req.body);
+
+    const path = req.body.path;
+
+    rm(buildPath(req.user._id, path), {
+        force: true,
+        recursive: true,
+    })
+        .then(() => {
+            return ressources.deleteMany({
+                user: req.user._id,
+                path: {
+                    $regex: '^' + path + '($|\\/.*)',
+                },
+            });
+        })
+        .then(() => {
+            res.sendStatus(200);
+        })
+        .catch((err) => {
+            console.error(err);
+            res.sendStatus(500);
+        });
+}

src/db.js

@@ -1,5 +1,8 @@
-import { MongoClient } from "mongodb";
+import { MongoClient } from 'mongodb';
 
+/**
+ * @type {MongoClient}
+ */
 let client;
 
 const dbName = `jeopardy`;
@@ -10,12 +13,10 @@ const dbName = `jeopardy`;
 export let db;
 
 export async function initDbConnection() {
-    client = new MongoClient(`mongodb://${process.env.JEOPARDYSERVER_MONGO_USERNAME}:${process.env.JEOPARDYSERVER_MONGO_PASSWORD}@${process.env.JEOPARDYSERVER_MONGO_URL}/`);
+    client = new MongoClient(
+        `mongodb://${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);
 }
-
-export function close() {
-    client.close();
-}

src/games.js

@@ -0,0 +1,761 @@
+import { Collection, Db, ObjectId } from 'mongodb';
+import { checkNumberProp, checkObjectProp, checkStringProp } from './util.js';
+
+/**
+ * @type {Collection}
+ */
+let cGames;
+/**
+ * @type {Collection}
+ */
+let cWalls;
+/**
+ * @type {Collection}
+ */
+let cCategories;
+/**
+ * @type {Collection}
+ */
+let cQuestions;
+
+const QuestionType = {
+    SIMPLE: 'SIMPLE',
+    MULTIPLE_CHOICE: 'MULTIPLE_CHOICE',
+    IMAGE: 'IMAGE',
+    IMAGE_MULTIPLE_CHOICE: 'IMAGE_MULTIPLE_CHOICE',
+    AUDIO: 'AUDIO',
+    AUDIO_MULTIPLE_CHOICE: 'AUDIO_MULTIPLE_CHOICE',
+};
+
+/**
+ *
+ * @param {number} points
+ * @param {string} question
+ * @param {string} answer
+ * @param {ObjectId} owner
+ * @returns
+ */
+function createSimpleQuestion(points, question, answer, owner) {
+    return {
+        owner,
+        points,
+        type: QuestionType.SIMPLE,
+        data: createSimpleData(question, answer),
+    };
+}
+
+/**
+ *
+ * @param {string} question
+ * @param {string} answer
+ * @returns
+ */
+function createSimpleData(question, answer) {
+    return {
+        question,
+        answer,
+    };
+}
+
+/**
+ *
+ * @param {ObjectId[]} ids
+ */
+function splitQuestionIds(ids) {
+    let res = [];
+    for (let i = 0; i < ids.length; i += 5) {
+        res.push(ids.slice(i, i + 5));
+    }
+    return res;
+}
+
+/**
+ *
+ * @param {*} app
+ * @param {Db} db
+ */
+export function initGames(app, db) {
+    cGames = db.collection('games');
+    cWalls = db.collection('walls');
+    cCategories = db.collection('categories');
+    cQuestions = db.collection('questions');
+    app.get('/game', fetchGame);
+    app.post('/game', createGame);
+    app.delete('/game/:gameid', deleteGameRoute);
+    app.get('/games', fetchGames);
+    app.post('/game/rename', renameGame);
+
+    app.get('/wall', fetchWall);
+    app.get('/walls/:gameid', fetchWalls);
+    app.post('/wall', createWall);
+    app.delete('/wall/:wallid', deleteWallRoute);
+    app.post('/wall/rename', renameWall);
+
+    app.get('/category', fetchCategory);
+    app.post('/category/rename', renameCategory);
+
+    app.get('/question', fetchQuestion);
+    app.post('/question', updateQuestion);
+}
+
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ */
+async function createGame(req, res) {
+    if (!checkStringProp(req.body, 'name')) {
+        res.sendStatus(400);
+        return;
+    }
+
+    const name = req.body.name;
+
+    cGames
+        .insertOne({
+            name,
+            walls: [],
+            owner: req.user._id,
+        })
+        .then(() => {
+            res.sendStatus(200);
+        })
+        .catch((err) => {
+            console.error(err);
+            res.sendStatus(500);
+        });
+}
+
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ */
+function renameGame(req, res) {
+    if (!checkStringProp(req.body, 'name')) {
+        res.sendStatus(400);
+        return;
+    }
+    if (!checkStringProp(req.body, 'gameid')) {
+        res.sendStatus(400);
+        return;
+    }
+    /**
+     * @type {string}
+     */
+    let gameid = req.body.gameid;
+    let _id = new ObjectId(gameid);
+    let name = req.body.name;
+
+    cGames
+        .updateOne(
+            {
+                _id,
+                owner: req.user._id,
+            },
+            {
+                $set: {
+                    name,
+                },
+            },
+        )
+        .then((result) => {
+            if (result.modifiedCount === 1) res.sendStatus(200);
+            else {
+                console.error(
+                    `Failed to modify exactly one Document. Instead modified: ${result.modifiedCount}`,
+                );
+                res.sendStatus(400);
+            }
+        })
+        .catch((err) => {
+            console.error(err);
+            res.sendStatus(500);
+        });
+}
+
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ */
+async function fetchGames(req, res) {
+    let list = cGames.find({
+        owner: req.user._id,
+    });
+
+    res.status(200).send(await list.toArray());
+}
+
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ */
+async function fetchGame(req, res) {
+    if (req.query.id === undefined || req.query.id.length <= 0) {
+        res.sendStatus(400);
+        return;
+    }
+
+    const id = new ObjectId(req.query.id);
+
+    let game = await cGames.findOne({
+        _id: id,
+        owner: req.user._id,
+    });
+
+    if (game) {
+        res.status(200).send(game);
+    } else {
+        res.sendStatus(404);
+    }
+}
+
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ */
+async function deleteGameRoute(req, res) {
+    let game = await cGames.findOne({
+        owner: req.user._id,
+        _id: new ObjectId(req.params.gameid),
+    });
+
+    if (!game) {
+        res.sendStatus(404);
+        return;
+    }
+
+    deleteGame(game._id)
+        .then(() => {
+            res.sendStatus(200);
+        })
+        .catch((err) => {
+            console.error(err);
+            res.sendStatus(500);
+        });
+}
+
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ */
+async function fetchQuestion(req, res) {
+    if (req.query.id === undefined || req.query.id.length <= 0) {
+        res.sendStatus(400);
+        return;
+    }
+
+    const id = new ObjectId(req.query.id);
+
+    let question = await cQuestions.findOne({
+        _id: id,
+        owner: req.user._id,
+    });
+
+    if (question) {
+        res.status(200).send(question);
+    } else {
+        res.sendStatus(500);
+    }
+}
+
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ */
+async function fetchCategory(req, res) {
+    if (req.query.id === undefined || req.query.id.length <= 0) {
+        res.sendStatus(400);
+        return;
+    }
+
+    const id = new ObjectId(req.query.id);
+
+    let category = await cCategories.findOne({
+        _id: id,
+        owner: req.user._id,
+    });
+
+    if (category) {
+        let questions = await cQuestions
+            .find(
+                {
+                    _id: {
+                        $in: category.questions,
+                    },
+                    owner: req.user._id,
+                },
+                {
+                    projection: {
+                        _id: 1,
+                        points: 1,
+                    },
+                },
+            )
+            .toArray();
+
+        if (questions.length !== 5) {
+            res.sendStatus(500);
+            return;
+        }
+
+        category.questions = questions;
+
+        res.status(200).send(category);
+    } else {
+        res.sendStatus(500);
+    }
+}
+
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ */
+function renameCategory(req, res) {
+    if (!checkStringProp(req.body, 'name')) {
+        res.sendStatus(400);
+        return;
+    }
+    if (!checkStringProp(req.body, 'categoryid')) {
+        res.sendStatus(400);
+        return;
+    }
+    /**
+     * @type {string}
+     */
+    let categoryid = req.body.categoryid;
+    let _id = new ObjectId(categoryid);
+    let name = req.body.name;
+
+    cCategories
+        .updateOne(
+            {
+                _id,
+                owner: req.user._id,
+            },
+            {
+                $set: {
+                    name,
+                },
+            },
+        )
+        .then((result) => {
+            if (result.modifiedCount === 1) res.sendStatus(200);
+            else {
+                console.error(
+                    `Failed to modify exactly one Document. Instead modified: ${result.modifiedCount}`,
+                );
+                res.sendStatus(400);
+            }
+        })
+        .catch((err) => {
+            console.error(err);
+            res.sendStatus(500);
+        });
+}
+
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ */
+async function fetchWall(req, res) {
+    if (req.query.id === undefined || req.query.id.length <= 0) {
+        res.sendStatus(400);
+        return;
+    }
+
+    const id = new ObjectId(req.query.id);
+
+    let wall = await cWalls.findOne({
+        _id: id,
+        owner: req.user._id,
+    });
+
+    if (wall) {
+        res.status(200).send(wall);
+    } else {
+        res.sendStatus(404);
+    }
+}
+
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ */
+async function fetchWalls(req, res) {
+    let game = await cGames.findOne({
+        owner: req.user._id,
+        _id: new ObjectId(req.params.gameid),
+    });
+
+    if (!game) {
+        res.sendStatus(404);
+        return;
+    }
+
+    let fetchedWalls = cWalls.find({
+        _id: {
+            $in: game.walls,
+        },
+    });
+
+    res.status(200).send(await fetchedWalls.toArray());
+}
+
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ */
+function renameWall(req, res) {
+    if (!checkStringProp(req.body, 'name')) {
+        res.sendStatus(400);
+        return;
+    }
+    if (!checkStringProp(req.body, 'wallid')) {
+        res.sendStatus(400);
+        return;
+    }
+    /**
+     * @type {string}
+     */
+    let wallid = req.body.wallid;
+    let _id = new ObjectId(wallid);
+    let name = req.body.name;
+
+    cWalls
+        .updateOne(
+            {
+                _id,
+                owner: req.user._id,
+            },
+            {
+                $set: {
+                    name,
+                },
+            },
+        )
+        .then((result) => {
+            if (result.modifiedCount === 1) res.sendStatus(200);
+            else {
+                console.error(
+                    `Failed to modify exactly one Document. Instead modified: ${result.modifiedCount}`,
+                );
+                res.sendStatus(400);
+            }
+        })
+        .catch((err) => {
+            console.error(err);
+            res.sendStatus(500);
+        });
+}
+
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ */
+async function createWall(req, res) {
+    if (
+        !checkStringProp(req.body, 'gameid') &&
+        !checkStringProp(req.body, 'name')
+    ) {
+        res.sendStatus(400);
+        return;
+    }
+
+    /**
+     * @type {string}
+     */
+    const gameid = req.body.gameid;
+    /**
+     * @type {string}
+     */
+    const wallname = req.body.name;
+
+    let game = await cGames.findOne({
+        owner: req.user._id,
+        _id: new ObjectId(gameid),
+    });
+
+    if (!game) {
+        res.sendStatus(404);
+        return;
+    }
+
+    let newQuestions = [];
+
+    for (let id = 1; id <= 5; id++) {
+        for (let j = 1; j <= 5; j++) {
+            newQuestions.push(
+                createSimpleQuestion(
+                    j * -100,
+                    'Frage',
+                    'Antwort',
+                    req.user._id,
+                ),
+            );
+        }
+    }
+
+    cQuestions
+        .insertMany(newQuestions)
+        .then((insertedQuestions) => {
+            let questionsIds = splitQuestionIds(
+                Object.values(insertedQuestions.insertedIds),
+            );
+            let newCategories = [];
+
+            for (let i = 1; i <= 5; i++) {
+                newCategories.push({
+                    name: `Kategorie ${i}`,
+                    questions: questionsIds[i - 1],
+                    owner: req.user._id,
+                });
+            }
+
+            return cCategories.insertMany(newCategories);
+        })
+        .then((insertedCategories) => {
+            return cWalls.insertOne({
+                name: wallname,
+                categories: Object.values(insertedCategories.insertedIds),
+                owner: req.user._id,
+            });
+        })
+        .then((insertedWall) => {
+            return cGames.updateOne(
+                {
+                    _id: game._id,
+                },
+                {
+                    $push: {
+                        walls: insertedWall.insertedId,
+                    },
+                },
+            );
+        })
+        .then(() => {
+            res.sendStatus(200);
+        })
+        .catch((err) => {
+            console.error(err);
+            res.sendStatus(500);
+        });
+}
+
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ */
+async function deleteWallRoute(req, res) {
+    let wall = await cWalls.findOne({
+        _id: new ObjectId(req.params.wallid),
+        owner: req.user._id,
+    });
+
+    if (!wall) {
+        res.sendStatus(404);
+        return;
+    }
+
+    let game = await cGames.findOne({
+        owner: req.user._id,
+        walls: wall._id,
+    });
+
+    if (!game) {
+        res.sendStatus(404);
+        return;
+    }
+
+    deleteWall(wall._id)
+        .then(() => {
+            return cGames.updateOne(
+                {
+                    _id: game._id,
+                },
+                {
+                    $pull: {
+                        walls: wall._id,
+                    },
+                },
+            );
+        })
+        .then(() => {
+            res.sendStatus(200);
+        })
+        .catch((err) => {
+            console.error(err);
+            res.sendStatus(500);
+        });
+}
+
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ */
+async function updateQuestion(req, res) {
+    if (
+        !checkStringProp(req.body, '_id') &&
+        !checkStringProp(req.body, 'owner') &&
+        !checkStringProp(req.body, 'type') &&
+        !checkNumberProp(req.body, 'points') &&
+        !checkObjectProp(req.body, 'data')
+    ) {
+        res.sendStatus(400);
+        return;
+    }
+
+    if (req.body.owner !== req.user._id.toString()) {
+        res.sendStatus(403);
+        return;
+    }
+    /**
+     * @type {string}
+     */
+    let _id = req.body._id;
+
+    let replacement;
+
+    if (
+        req.body.type === QuestionType.SIMPLE ||
+        req.body.type === QuestionType.MULTIPLE_CHOICE
+    ) {
+        replacement = toNormalQuestion(req.body);
+    } else if (
+        req.body.type === QuestionType.IMAGE ||
+        req.body.type === QuestionType.IMAGE_MULTIPLE_CHOICE
+    ) {
+        replacement = toImageQuestion(req.body);
+    } else if (
+        req.body.type === QuestionType.AUDIO ||
+        req.body.type === QuestionType.AUDIO_MULTIPLE_CHOICE
+    ) {
+        replacement = toAudioQuestion(req.body);
+    }
+
+    cQuestions
+        .replaceOne(
+            {
+                _id: new ObjectId(_id),
+                owner: req.user._id,
+            },
+            replacement,
+        )
+        .then((result) => {
+            if (result.modifiedCount === 1) {
+                res.sendStatus(200);
+            } else res.sendStatus(500);
+        })
+        .catch((err) => {
+            console.error(err);
+            res.sendStatus(500);
+        });
+}
+
+function toNormalQuestion(body) {
+    return {
+        ...body,
+        _id: new ObjectId(body._id),
+        owner: new ObjectId(body.owner),
+    };
+}
+
+function toImageQuestion(body) {
+    return {
+        ...body,
+        _id: new ObjectId(body._id),
+        owner: new ObjectId(body.owner),
+        data: {
+            ...body.data,
+            image:
+                body.data.image === null ? null : new ObjectId(body.data.image),
+        },
+    };
+}
+
+function toAudioQuestion(body) {
+    return {
+        ...body,
+        _id: new ObjectId(body._id),
+        owner: new ObjectId(body.owner),
+        data: {
+            ...body.data,
+            audio:
+                body.data.audio === null ? null : new ObjectId(body.data.audio),
+        },
+    };
+}
+
+/**
+ *
+ * @param {ObjectId} _id
+ */
+function deleteGame(_id) {
+    return cGames
+        .findOne({ _id })
+        .then((game) => {
+            let wallDeletions = [];
+            for (const wallId of game.walls) {
+                wallDeletions.push(deleteWall(wallId));
+            }
+
+            return Promise.all(wallDeletions);
+        })
+        .then(() => {
+            return cGames.deleteOne({ _id });
+        });
+}
+
+/**
+ *
+ * @param {ObjectId} _id
+ */
+function deleteWall(_id) {
+    return cWalls
+        .findOne({ _id })
+        .then((wall) => {
+            let categoryDeletions = [];
+            for (const catId of wall.categories) {
+                categoryDeletions.push(deleteCategory(catId));
+            }
+            return Promise.all(categoryDeletions);
+        })
+        .then(() => {
+            return cWalls.deleteOne({ _id: _id });
+        });
+}
+
+/**
+ *
+ * @param {ObjectId} _id
+ */
+function deleteCategory(_id) {
+    return cCategories
+        .findOne({
+            _id,
+        })
+        .then((category) => {
+            return cQuestions.deleteMany({
+                _id: {
+                    $in: category.questions,
+                },
+            });
+        })
+        .then(() => {
+            return cCategories.deleteOne({
+                _id,
+            });
+        });
+}

src/user.js

@@ -1,4 +1,4 @@
-import { ObjectId } from "mongodb";
+import { Db, ObjectId } from "mongodb";
 import { createUser as userHelperCreateUser, generateSessionToken, updatePassword, userExists } from "./userHelper.js";
 import { isValidRole, roles } from "./roles.js";
 import { authenticateUser } from "./auth.js";
@@ -6,18 +6,31 @@ import { authenticateUser } from "./auth.js";
 let db;
 let users;
 
+/**
+ * 
+ * @param {*} app 
+ * @param {Db} db 
+ */
 export function initUsers(app, db) {
     users = db.collection('users');
     app.put('/admin/user', createUser);
+    app.delete('/admin/user', deleteUser);
     app.get('/admin/user/list', userlist);
     app.post('/admin/user/resetpw', resetpassword);
     app.post('/admin/user/changerole', changerole);
     app.get('/admin/roles', getRoles);
     app.post('/user/changepw', changePassword);
+    app.post('/user/logout', logoutUser);
 }
 
 async function createUser(req, res) {
     const username = req.body.username;
+
+    if (username.length <= 0) {
+        res.status(400).send();
+        return;
+    }
+
     // check if user exists
     let foundUser = await users.findOne({username});
 
@@ -38,6 +51,25 @@ async function createUser(req, res) {
     });
 }
 
+async function deleteUser(req, res) {
+    /** @type {string} */
+    const userid = req.body.userid;
+    const _id = new ObjectId(userid);
+
+    if (userid === req.user._id.toString()) {
+        console.log("Cant delete yourself");
+        res.status(400).send();
+        return;
+    }
+
+    const foundUser = userExists(res, users, _id);
+    if (foundUser === null) return;
+
+    await users.deleteOne({_id});
+
+    res.status(200).send();
+}
+
 async function userlist(req, res) {
     const result = await users.find().project({
             username: 1,
@@ -73,7 +105,7 @@ async function changerole(req, res) {
     const newrole = req.body.role;
 
     if (!isValidRole(newrole)) {
-        res.status(400).send();
+        res.status(400).send("No valid role");
         return;
     }
 
@@ -112,3 +144,13 @@ async function changePassword(req, res) {
 
     res.status(200).send();
 }
+
+async function logoutUser(req, res) {
+    await users.updateOne({_id: req.user._id}, {
+        $set: {
+            sessiontoken: ""
+        }
+    });
+
+    res.status(200).send();
+}

src/util.js

@@ -0,0 +1,37 @@
+/**
+ *
+ * @param {any} body
+ * @param {string} property
+ */
+export function checkStringProp(body, property) {
+    if (body === undefined) return false;
+    if (Object.hasOwn(body, property)) {
+        if (typeof body[property] === 'string') {
+            return body[property].length > 0;
+        } else return false;
+    } else return false;
+}
+
+/**
+ *
+ * @param {any} body
+ * @param {string} property
+ */
+export function checkNumberProp(body, property) {
+    if (body === undefined) return false;
+    if (Object.hasOwn(body, property)) {
+        return typeof body[property] === 'number';
+    } else return false;
+}
+
+/**
+ *
+ * @param {any} body
+ * @param {string} property
+ */
+export function checkObjectProp(body, property) {
+    if (body === undefined) return false;
+    if (Object.hasOwn(body, property)) {
+        return typeof body[property] === 'object';
+    } else return false;
+}