Reworked database model from scratch

package.json

@@ -13,6 +13,7 @@
   "license": "ISC",
   "packageManager": "pnpm@10.5.2",
   "dependencies": {
+    "ajv": "^8.17.1",
     "bcrypt": "^5.1.1",
     "better-sqlite3": "^11.9.1",
     "dompurify": "^3.2.4",

pnpm-lock.yaml

@@ -8,6 +8,9 @@ importers:
 
   .:
     dependencies:
+      ajv:
+        specifier: ^8.17.1
+        version: 8.17.1
       bcrypt:
         specifier: ^5.1.1
         version: 5.1.1
@@ -92,6 +95,9 @@ packages:
     resolution: {integrity: sha512-jRR5wdylq8CkOe6hei19GGZnxM6rBGwFl3Bg0YItGDimvjGtAvdZk4Pu6Cl4u4Igsws4a1fd1Vq3ezrhn4KmFw==}
     engines: {node: '>= 14'}
 
+  ajv@8.17.1:
+    resolution: {integrity: sha512-B/gBuNg5SiMTrPkC+A2+cW0RszwxYmn6VYxB/inlBStS5nx6xHIt/ehKRhIMhqusl7a8LjQoZnjCs5vhwxOQ1g==}
+
   ansi-regex@5.0.1:
     resolution: {integrity: sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==}
     engines: {node: '>=8'}
@@ -296,6 +302,12 @@ packages:
     resolution: {integrity: sha512-DT9ck5YIRU+8GYzzU5kT3eHGA5iL+1Zd0EutOmTE9Dtk+Tvuzd23VBU+ec7HPNSTxXYO55gPV/hq4pSBJDjFpA==}
     engines: {node: '>= 18'}
 
+  fast-deep-equal@3.1.3:
+    resolution: {integrity: sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==}
+
+  fast-uri@3.0.6:
+    resolution: {integrity: sha512-Atfo14OibSv5wAp4VWNsFYE1AchQRTv9cBGWET4pZWHzYshFSS9NQI6I57rdKn9croWVMbYFbLhJ+yJvmZIIHw==}
+
   file-uri-to-path@1.0.0:
     resolution: {integrity: sha512-0Zt+s3L7Vf1biwWZ29aARiVYLx7iMGnEUl9x33fbB/j3jR81u/O2LbqK+Bm1CDSNDKVtJ/YjwY7TUd5SkeLQLw==}
 
@@ -458,6 +470,9 @@ packages:
       canvas:
         optional: true
 
+  json-schema-traverse@1.0.0:
+    resolution: {integrity: sha512-NM8/P9n3XjXhIZn1lLhkFaACTOURQXjWhV4BA/RnOv8xvgqtqpAX9IO4mRQxSx1Rlo4tqzeqb0sOlruaOy3dug==}
+
   jsonwebtoken@9.0.2:
     resolution: {integrity: sha512-PRp66vJ865SSqOlgqS8hujT5U4AOgMfhrwYIuIhfKaoSCZcirrmASQr8CX7cUg+RMih+hgznrjp99o+W4pJLHQ==}
     engines: {node: '>=12', npm: '>=6'}
@@ -685,6 +700,10 @@ packages:
     resolution: {integrity: sha512-hOS089on8RduqdbhvQ5Z37A0ESjsqz6qnRcffsMU3495FuTdqSm+7bhJ29JvIOsBDEEnan5DPu9t3To9VRlMzA==}
     engines: {node: '>=8.10.0'}
 
+  require-from-string@2.0.2:
+    resolution: {integrity: sha512-Xf0nWe6RseziFMu+Ap9biiUbmplq6S9/p+7w7YXP/JBHhrUDDUhwa+vANyubuqfZWTveU//DYVGsDG7RKL/vEw==}
+    engines: {node: '>=0.10.0'}
+
   rimraf@3.0.2:
     resolution: {integrity: sha512-JZkJMZkAGFFPP2YqXZXPbMlMBgsxzE8ILs4lMIX/2o0L9UBw9O/Y3o6wFw/i9YLapcUJWwqbi3kdxIPdC62TIA==}
     deprecated: Rimraf versions prior to v4 are no longer supported
@@ -974,6 +993,13 @@ snapshots:
 
   agent-base@7.1.3: {}
 
+  ajv@8.17.1:
+    dependencies:
+      fast-deep-equal: 3.1.3
+      fast-uri: 3.0.6
+      json-schema-traverse: 1.0.0
+      require-from-string: 2.0.2
+
   ansi-regex@5.0.1: {}
 
   anymatch@3.1.3:
@@ -1197,6 +1223,10 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
+  fast-deep-equal@3.1.3: {}
+
+  fast-uri@3.0.6: {}
+
   file-uri-to-path@1.0.0: {}
 
   fill-range@7.1.1:
@@ -1387,6 +1417,8 @@ snapshots:
       - supports-color
       - utf-8-validate
 
+  json-schema-traverse@1.0.0: {}
+
   jsonwebtoken@9.0.2:
     dependencies:
       jws: 3.2.2
@@ -1614,6 +1646,8 @@ snapshots:
     dependencies:
       picomatch: 2.3.1
 
+  require-from-string@2.0.2: {}
+
   rimraf@3.0.2:
     dependencies:
       glob: 7.2.3

src/controllers/index.js

@@ -1,12 +1,14 @@
+const index_service = require("../services/indexService");
 const handleError = require("../middleware/errors");
 
-async function helloWorld(req, res) {
+
+async function getVersion(req, res) {
     try {
-        const query_result = "Unknown development version";
-        res.send(query_result);
+        const query_result = await index_service.getVersion();
+        res.json(query_result);
     } catch (error) {
-        handleError(error);
+        handleError(error, res);
     }
 }
 
-module.exports = { helloWorld };
+module.exports = { getVersion };

src/database/index.js

@@ -1,6 +1,6 @@
-const { getConfig } = require("../utils/configManager");
 const MySQLDatabase = require("./mysql");
 const SQLiteDatabase = require("./sqlite");
+const { getConfig } = require("../utils/configManager");
 
 let db;
 
@@ -31,40 +31,75 @@ async function initDatabase() {
         throw new Error("Database is not connected");
     }
     
-    // Create mods table
-    db.exec("CREATE TABLE IF NOT EXISTS mods ( \
-      Username tinytext PRIMARY KEY, \
-      DisplayName tinytext, \
-      Author tinytext,\
-      Versions longtext,\
-      OtherInfos longtext \
+    // --- Users ---
+
+    // Uers table
+    db.exec("CREATE TABLE IF NOT EXISTS Users ( \
+        username        TINYTEXT PRIMARY KEY, \
+        display_name    TINYTEXT, \
+        email           TINYTEXT,\
+        password        TINYTEXT,\
+        profile_picture LONGTEXT,\
+        settings        LONGTEXT, \
         );");
 
-    // Insert example mod
-    // if (!(await db.exists("mods", "Name", "example"))) {
-    //     console.debug("Creating default mod");
-    //     db.exec(`INSERT INTO mods (Name, DisplayName, Author, Versions, OtherInfos) \
-    //         VALUES ('example', 'Example mod', '${config.users.admin.username}', '', '');`);
-    // }
+    // --- Mods ---
 
-    db.exec("DROP TABLE users");
-    // Create users table
-    db.exec("CREATE TABLE IF NOT EXISTS users ( \
-      Username tinytext PRIMARY KEY, \
-      DisplayName tinytext, \
-      Email tinytext,\
-      Password tinytext,\
-      ProfilePicture longtext,\
-      Preferences longtext, \
-      Favorites longtext \
-      );");
+    // Mods table
+    db.exec(`CREATE TABLE IF NOT EXISTS Mods (
+        name            TINYTEXT    PRIMARY KEY,
+        display_name    TINYTEXT    NOT NULL,
+        author          TINYTEXT    NOT NULL,
+        description     TINYTEXT    NOT NULL,
+
+        FOREIGN KEY author REFERENCES Users(username)
+        );`);
+
+    // Mods complementary infos
+    db.exec(`CREATE TABLE IF NOT EXISTS ModInfos (
+        mod                 TINYTEXT    PRIMARY KEY,
+        full_description    TEXT        NOT NULL,
+        license             TINYTEXT,
+        custom_license      TEXT,       
+        links               TEXT,       
+        creation_date       TINYTEXT    NOT NULL,
+        downloads_count     INT         NOT NULL,
+
+        FOREIGN KEY mod REFERENCES Users(username)
+        );`);
+
+    // Mods tags
+    db.exec(`CREATE TABLE IF NOT EXISTS ModTags (
+        mod         TINYTEXT    NOT NULL,
+        tag         TINYTEXT    NOT NULL,
+
+        FOREIGN KEY mod REFERENCES Mods(name)
+        );`);
+
+    // Mods versions
+    db.exec(`CREATE TABLE IF NOT EXISTS ModVersions (
+        mod                 TINYTEXT        NOT NULL,
+        version_number      TINYTEXT        NOT NULL,
+        channel             TINYTEXT        NOT NULL,
+        changelog           TEXT            NOT NULL,
+        release_date        TINYTEXT        NOT NULL,
+        game_version        TINYTEXT        NOT NULL,
+        platform            TINYTEXT        NOT NULL,
+        environment         TINYTEXT        NOT NULL,
+        url                 TINYTEXT        NOT NULL,
+
+        FOREGIN KEY mod REFERENCES Mods(name)
+        );`);
+
+    // User favorites (mods)
+    db.exec(`CREATE TABLE IF NOT EXISTS UserFavoriteMods (
+        username    TINYTEXT    NOT NULL,
+        mod         TINYTEXT    NOT NULL,
+        
+        FOREIGN KEY username    REFERENCES Users(username),
+        FOREGIN KEY mod         REFERENCES Mods(name)
+        );`);
 
-      // Insert default admin account
-    //   if (!(await db.exists("users", "Username", config.users.admin.username))) {
-    //     console.debug("Creating default admin user");
-    //     db.exec(`INSERT INTO users (Username, DisplayName, Email, Password, ProfilePicture, Preferences, Favorites) \
-    //         VALUES ('${config.users.admin.username}', 'Admin', '', '${config.users.admin.password}', '',  '', '' );`);
-    // }
 }
 
 

src/middleware/auth.js

@@ -1,23 +1,83 @@
-const authService = require("../services/authService");
+const { getModByName } = require("../services/modService");
+const { getModpackByName } = require("../services/modpackService");
+const { getUserByName } = require("../services/userService");
+const { verifyToken } = require("../utils/crypto");
 const AppError = require("../utils/appError");
 
 
-function authenticateToken(req, res, next) {
+async function authenticateToken(req) {
 
-    const auth_header = req.headers["authorization"];
-    const token = auth_header && auth_header.split(' ')[1];
+    const token = req.header("Authorization");
     
-    if (token == null) {
-        throw new AppError(401, "Unauthorized: missing or bad authorization header");
+    if (!token) {
+        throw new AppError(401, "Missing authorization header", "Unauthorized");
     }
 
     try {
-        req.user = authService.verifyToken(token);
-        next();
+        req.token_infos = await verifyToken(token);
+        console.debug("Authorizing token from", req.token_infos);
     } catch (err) {
         throw new AppError(403, "Forbidden: Error verifying the authorization token");
     }
 }
 
 
-module.exports = { authenticateToken }
+async function authorizeModModification(req) {
+    
+    // Auth token
+    await authenticateToken(req);
+    // Get mod infos
+    if (!req.params || req.params.id) {
+        throw new AppError(400, "No mod name was scpecified", "Bad request");
+    }
+    const mod_name = req.params.id;
+    const mod = getModByName(mod_name);
+    if (!mod) {
+        throw new AppError(404, "No mod was found with this name", "Not found");
+    }
+    // Authorize
+    if ( mod.author != req.token_infos.username) {
+        throw new AppError(401, "Mod author differs from current user", "Unauthorized");
+    }
+}
+
+async function authorizeModpackModification(req) {
+    
+    // Auth token
+    await authenticateToken(req);
+    // Get mod infos
+    if (!req.params || req.params.id) {
+        throw new AppError(400, "No mod name was scpecified", "Bad request");
+    }
+    const modpack_name = req.params.id;
+    const modpack = getModpackByName(modpack_name);
+    if (!modpack) {
+        throw new AppError(404, "No mod was found with this name", "Not found");
+    }
+    // Authorize
+    if ( modpack.author != req.token_infos.username) {
+        throw new AppError(401, "Mod author differs from current user", "Unauthorized");
+    }
+}
+
+async function authorizeUserModification(req) {
+    
+    // Auth token
+    await authenticateToken(req);
+    // Get mod infos
+    if (!req.params || req.params.id) {
+        throw new AppError(400, "No mod name was scpecified", "Bad request");
+    }
+    const user_name = req.params.id;
+    const user = getUserByName(user_name);
+    if (!user) {
+        throw new AppError(404, "No mod was found with this name", "Not found");
+    }
+    // Authorize
+    if ( user.username != req.token_infos.username) {
+        throw new AppError(401, "Mod author differs from current user", "Unauthorized");
+    }
+}
+
+
+module.exports = { authenticateToken, authorizeModModification, authorizeModpackModification, authorizeUserModification };

src/models/index.js

@@ -0,0 +1,12 @@
+const { getVersion } = require("../utils/configManager");
+
+async function getVersion() {
+    
+    const version = await getVersion();
+    const res = {
+        version: version
+    };
+    return res;
+}
+
+module.exports = { getVersion }

src/models/mod.js

@@ -3,27 +3,16 @@ const AppError = require('../utils/appError');
 const db = getDatabase();
 
 async function getAllMods() { 
-    return db.query("SELECT * FROM mods");
+    return db.query("SELECT name FROM Mods");
 }
 
 async function getModByName(name) {
-    try {
-        console.debug("Searching for", name);
-        const res = await db.query("SELECT * FROM mods WHERE Name = ?;", [name]);
-        if (res && res.length > 0) {
-            return res[0];
-        } else {
-            return null;
-        }
-    } catch (err) {
-        console.error("Error in getModByName:", err);
-        throw err;
-    }
+    return await db.query("SELECT name, display_name, author FROM Mods WHERE name = ?;", [name]);
 
 }
 
 async function exists(name) {
-    return db.exists("mods", "Name", name);
+    return db.exists("Mods", "name", name);
 }
 
 async function createMod(mod_data) {
@@ -31,8 +20,8 @@ async function createMod(mod_data) {
     const { name, displayName, author, versions, otherInfos } = mod_data;
     const { description, links, tags, screenshots, license, changelogs, counts } = otherInfos;
 
-    await db.prepare("INSERT INTO mods (Name, DisplayName, Author, Versions) \
-           VALUES (?, ?, ?, ?)", [name, displayName, author, versions]);
+    await db.prepare("INSERT INTO mods (name, display_name, author) \
+           VALUES (?, ?, ?, ?)", [name, displayName, author]);
     // db.prepare("INSERT INTO modsDescription (Name, Description, Links, Tags, Screenshots, License, Changelogs, Counts) \
     //       VALUES (?, ?, ?, ?, ?, ?, ?, ?)", [name, description, links, tags, screenshots, license, changelogs, counts]);
     return;
@@ -40,7 +29,7 @@ async function createMod(mod_data) {
 
 async function deleteMod(name) {
     console.log("WARNING: using a WIP function : deleteMod (models/mods.js)");
-    db.prepare("DELETE FROM mods WHERE Name = ?", [name]);
+    db.prepare("DELETE FROM Mods WHERE name = ?", [name]);
     // db.prepare("DELETE FROM modsDescription WHERE Name = ?", [name]);
     return;
 }

src/models/user.js

@@ -7,52 +7,29 @@ async function getAllUsers() {
 }
 
 async function getUserByName(name) {
-    try {
-        console.debug("Searching for", name);
-        const res = await db.query("SELECT * FROM users WHERE Username = ?;", [name]);
-        if (res && res.length > 0) {
-            return res[0];
-        } else {
-            return null;
-        }
-    } catch (err) {
-        console.error("Error in getUserByName:", err);
-        throw err;
-    }
-
+    return await db.query("SELECT * FROM Users WHERE username = ?;", [name]);
 }
 
 async function getUserByEmail(email) {
-    try {
-        console.debug("Searching for", email);
-        const res = await db.query("SELECT * FROM users WHERE Email = ?;", [email]);
-        if (res && res.length > 0) {
-            return res[0];
-        } else {
-            return null;
-        }
-    } catch (err) {
-        console.error("Error in getUserByName:", err);
-        throw err;
-    }
-
+    return await db.query("SELECT * FROM Users WHERE email = ?;", [email]);
 }
 
 async function exists(name) {
-    return db.exists("users", "Username", name);
+    return db.exists("Users", "username", name);
 }
 
 async function createUser(user_data) {
 
     const { name, email, password, displayName, profilePicture, favorites, preferences } = user_data;
 
-    await db.prepare("INSERT INTO users (Username, Email, Password, DisplayName, ProfilePicture, Favorites, Preferences) \
+    //TODO breakdown to handle partial updates
+    await db.prepare("INSERT INTO Users (username, email, password, display_name, profile_picture, favorites, preferences) \
            VALUES (?, ?, ?, ?)", [name, email, password, displayName, profilePicture, favorites, preferences]);
     return;
 }
 
 async function deleteUser(name) {
-    db.prepare("DELETE FROM users WHERE Username = ?", [name]);
+    await db.prepare("DELETE FROM Users WHERE username = ?", [name]);
     return;
 }
 
@@ -68,4 +45,4 @@ async function updateUser(user_data) {
 
 
 
-module.exports = { getAllUsers, getUserByName, createUser, deleteUser, exists }
+module.exports = { getAllUsers, getUserByName, getUserByEmail, createUser, deleteUser, exists }

src/routes/index.js

@@ -3,12 +3,8 @@ const controller = require("../controllers/index");
 
 const router = express.Router();
 
-router.get('/', (res, req) => {
-    console.debug("Triggered hello world");
-    controller.helloWorld(res, req);
-});
 
-router.get('/version', (res, req) => {
+router.get('/version', async (res, req) => {
     controller.getVersion(res, req);
 });
 

src/schemas/auth.js

@@ -0,0 +1,21 @@
+const Ajv = require("ajv");
+const ajv = new Ajv();
+
+// --- Schemas ---
+
+const AuthUserSchema = {
+    type: 'object',
+    properties: {
+        email: { type: 'string', format: 'email' },
+        password: { type: 'string', minLength: 3, maxLength: 30 },
+    },
+    required: ['email', 'password'],
+    additionalProperties: false
+};
+
+const validateAuthUserData = ajv.compile(AuthUserSchema);
+
+
+// --- Exports ---
+
+module.exports = { validateAuthUserData, validateAuthNodeData };

src/schemas/mod.js

@@ -0,0 +1,21 @@
+const Ajv = require("ajv");
+const ajv = new Ajv();
+
+// --- Schemas ---
+//TODO
+
+const newModSchema = {
+    type: 'object',
+    properties: {
+        name: { type: 'string'},
+    },
+    required: ['name'],
+    additionalProperties: false
+};
+
+const validateNewModData = ajv.compile(newModSchema);
+
+
+// --- Exports ---
+
+module.exports = { validateNewModData };

src/schemas/modpack.js

@@ -0,0 +1,21 @@
+const Ajv = require("ajv");
+const ajv = new Ajv();
+
+// --- Schemas ---
+//TODO
+
+const newModpackSchema = {
+    type: 'object',
+    properties: {
+        name: { type: 'string'},
+    },
+    required: ['name'],
+    additionalProperties: false
+};
+
+const validateNewModpackData = ajv.compile(newModpackSchema);
+
+
+// --- Exports ---
+
+module.exports = { validateNewModpackData };

src/schemas/user.js

@@ -0,0 +1,23 @@
+const Ajv = require("ajv");
+const ajv = new Ajv();
+
+// --- Schemas ---
+//TODO
+
+const newUserSchema = {
+    type: 'object',
+    properties: {
+        email: { type: 'string', format: 'email' },
+        name: { type: 'string' },
+        password: { type: 'string', minLength: 3, maxLength: 30 },
+    },
+    required: ['name', 'email', 'password'],
+    additionalProperties: false
+};
+
+const validateNewUserData = ajv.compile(newUserSchema);
+
+
+// --- Exports ---
+
+module.exports = { validateNewUserData };

src/services/authService.js

@@ -3,7 +3,7 @@ const jwt = require("jsonwebtoken");
 const userModel = require("../models/user");
 const AppError = require("../utils/appError");
 const configManager = require("../utils/configManager");
-const validate = require("../utils/validate");
+const validate = require("../utils/validate_legacy");
 
 const JWT_Secret = configManager.getJWTSecret();
 
@@ -45,22 +45,10 @@ async function login(identifier, password) {
     return jwt.sign({ username: user[0].username, role: user[0].role }, await JWT_Secret);
 }
 
-function verifyToken(token) {
-    return new Promise( (resolve, reject) => {
-        jwt.verify( token, JWT_Secret, (err, user) => {
-            if (err) {
-                reject(err);
-            } else {
-                resolve(user);
-            }
-        });
-    });
-}
-
 // function authorizeRole(user, roles) {
 //     if (!user || !roles.includes(user.role)) {
 //         throw new AppError(401, "Unauthorized: You don't have the necessary permissions to access this resource");
 //     }
 // }
 
-module.exports = { login, verifyToken };
+module.exports = { login };

src/services/indexService.js

@@ -0,0 +1,7 @@
+const model = require("../models/index");
+
+async function getVersion() {
+    return model.getVersion();
+}
+
+module.exports = { getVersion }

src/services/modService.js

@@ -1,6 +1,6 @@
 const model = require("../models/mod");
 const AppError = require("../utils/appError");
-const { validateModData } = require("../utils/validate");
+const { validateModData } = require("../utils/validate_legacy");
 const { mdToHtml } = require("../utils/convert");
 const { sanitizeModData } = require("../utils/sanitize");
 

src/services/userService.js

@@ -1,6 +1,6 @@
 const model = require("../models/user");
 const AppError = require("../utils/appError");
-const { validateUserData } = require("../utils/validate");
+const { validateUserData } = require("../utils/validate_legacy");
 const { sanitizeUserData } = require("../utils/sanitize");
 
 async function getAllUsers() {

src/utils/crypto.js

@@ -0,0 +1,61 @@
+// --- Imports ---
+const jwt = require("jsonwebtoken");
+const bcrypt = require("bcrypt");
+const { getConfig, getJWTSecret } = require("./configManager");
+
+
+// --- Config ---
+
+// Declarations
+let JWT_Secret;
+let token_expiry;
+// Constant values
+const saltRounds = 12;
+// Load
+(async () => {
+    const config = await getConfig();
+    JWT_Secret = await getJWTSecret();
+    token_expiry = config.auth.tokenExpiry;
+    signature_algorithm = config.auth.signatureAlgorithm;
+})();
+ 
+
+// --- Functions ---
+
+async function hashPassword(passwd) {
+    const hash = bcrypt.hashSync(passwd, saltRounds);
+    return hash;
+}
+
+
+async function passwordsMatch(password, hashed_password) {
+        return await bcrypt.compare(password, hashed_password);
+}
+
+
+async function signToken(payload, options = null) {
+    if (options == null) {
+        return jwt.sign(payload, JWT_Secret, { expiresIn: token_expiry, });
+    }
+    else {
+        return jwt.sign(payload, JWT_Secret, options);
+    }
+
+}
+
+
+function verifyToken(token) {
+    return new Promise( async (resolve, reject) => {
+        await jwt.verify( token, JWT_Secret, (err, user) => {
+            if (err) {
+                reject(err);
+            } else {
+                resolve(user);
+            }
+        });
+    });
+}
+
+
+// --- Exports ---
+module.exports = { passwordsMatch, hashPassword, verifyToken, signToken };

src/utils/validate.js

@@ -1,82 +1,32 @@
-const mod_model = require("../models/mod");
-const user_model = require("../models/user");
+// --- Imports ---
 const AppError = require("./appError");
 
-async function validateModData(mod_data) {
-    //TODO WIP
-    // Check fields existence
-    const not_null = mod_data &&
-                Object.keys(mod_data).length == 5 &&
-                mod_data.name &&
-                mod_data.displayName &&
-                mod_data.author &&
-                mod_data.versions != null;
 
-                // mod_data.otherInfos != null &&
-                // Object.keys(mod_data.otherInfos).length == 0 &&
-                // mod_data.otherInfos.description != null &&
-                // mod_data.otherInfos.links != null &&
-                // mod_data.otherInfos.tags != null &&
-                // mod_data.otherInfos.screenshots != null &&
-                // mod_data.otherInfos.license != null &&
-                // mod_data.otherInfos.changelogs != null;
+// --- Functions ---
 
-    if (!not_null) {
-        console.debug("Item is missing expected fields:", mod_data);
-        throw new AppError(400, "Bad request", "Missing expected fields");
-    }
+async function validateNewModData(mod_data) {
 
-    // Check fields format (check if sanitized)
-    const is_valid_name = /^[a-zA-Z0-9_]+$/.test(mod_data.name);
-    const is_valid_displayName = true;
-    // const is_valid_displayName = /^[a-zA-Z0-9_]+$/.test(mod_data.name); // Temporary
-    // const 
+    throw new AppError(501, "Not implemented");
+    //TODO
+    // try {
+    //     node_schemas.validateNewModData(node_data);
+    // } catch (err) {
+    //     throw new AppError(400, "Missing or invalid fields", "Bad request", err);
+    // }
 
-    const is_valid = is_valid_name && is_valid_displayName;
-    if (!is_valid) {
-        console.debug("Fields are not following the expected formats");
-        throw new AppError(400, "Bad request", "The provided fields don't match the expected format");
-    }
-
-    // Check if mod already exists
-    const exists = await mod_model.exists(mod_data.name);
-    if (exists) {
-        console.debug("Error: Item already exists");
-        throw new AppError(403, "Forbidden", "Content with this name already exists");
-    }
 }
 
 
-async function validateUserData(user_data) {
+async function validateNewUserData(user_data) {
+    
     throw new AppError(501, "Not implemented");
-    
     //TODO
+    // try {
+    //     node_schemas.validateNewUserData(node_data);
+    // } catch (err) {
+    //     throw new AppError(400, "Missing or invalid fields", "Bad request", err);
+    // }
 
-    // Check fields existence
-    // ...
-
-    if (!not_null) {
-        console.debug("Missing expected fields:", mod_data);
-        throw new AppError(400, "Bad request: Missing expected fields");
-    }
-
-    // Check fields format (check if sanitized)
-    const is_valid_username = /^[a-zA-Z0-9_]+$/.test(user_data.username);
-    // const is_valid_email = ...
-    // ...
-    
-    const is_valid = is_valid_username && is_valid_email;
-    if (!is_valid) {
-        console.debug("Fields are not following the expected formats");
-        throw new AppError(400, "Bad request: The provided fields don't match the expected format");
-    }
-
-    // Check if user already exists
-    const exists = await user_model.exists(user_data.username);
-    if (exists) {
-        console.debug("Error: User already exists");
-        throw new AppError(403, "Forbidden: User with this name already exists");
-    }
 }
 
 async function validateCretendials(identifier, password) {
@@ -84,6 +34,9 @@ async function validateCretendials(identifier, password) {
     throw new AppError(501, "Not implemented");
 }
 
+
+// --- Utils ---
+
 async function isEmail(text) {
     const email_regex = /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/;
     return email_regex.test(text);
@@ -95,4 +48,4 @@ async function isID(text) {
 }
 
 
-module.exports = { validateModData, validateUserData, isEmail, isID };
+module.exports = { validateNewModData, validateNewUserData, isEmail, isID };

src/utils/validate_legacy.js

@@ -0,0 +1,98 @@
+const mod_model = require("../models/mod");
+const user_model = require("../models/user");
+const AppError = require("./appError");
+
+async function validateModData(mod_data) {
+    //TODO WIP
+    // Check fields existence
+    const not_null = mod_data &&
+                Object.keys(mod_data).length == 5 &&
+                mod_data.name &&
+                mod_data.displayName &&
+                mod_data.author &&
+                mod_data.versions != null;
+                
+                // mod_data.otherInfos != null &&
+                // Object.keys(mod_data.otherInfos).length == 0 &&
+                // mod_data.otherInfos.description != null &&
+                // mod_data.otherInfos.links != null &&
+                // mod_data.otherInfos.tags != null &&
+                // mod_data.otherInfos.screenshots != null &&
+                // mod_data.otherInfos.license != null &&
+                // mod_data.otherInfos.changelogs != null;
+
+    if (!not_null) {
+        console.debug("Item is missing expected fields:", mod_data);
+        throw new AppError(400, "Bad request", "Missing expected fields");
+    }
+
+    // Check fields format (check if sanitized)
+    const is_valid_name = /^[a-zA-Z0-9_]+$/.test(mod_data.name);
+    const is_valid_displayName = true;
+    // const is_valid_displayName = /^[a-zA-Z0-9_]+$/.test(mod_data.name); // Temporary
+    // const 
+    
+    const is_valid = is_valid_name && is_valid_displayName;
+    if (!is_valid) {
+        console.debug("Fields are not following the expected formats");
+        throw new AppError(400, "Bad request", "The provided fields don't match the expected format");
+    }
+
+    // Check if mod already exists
+    const exists = await mod_model.exists(mod_data.name);
+    if (exists) {
+        console.debug("Error: Item already exists");
+        throw new AppError(403, "Forbidden", "Content with this name already exists");
+    }
+}
+
+
+async function validateUserData(user_data) {
+    throw new AppError(501, "Not implemented");
+    
+    //TODO
+
+    // Check fields existence
+    // ...
+
+    if (!not_null) {
+        console.debug("Missing expected fields:", mod_data);
+        throw new AppError(400, "Bad request: Missing expected fields");
+    }
+
+    // Check fields format (check if sanitized)
+    const is_valid_username = /^[a-zA-Z0-9_]+$/.test(user_data.username);
+    // const is_valid_email = ...
+    // ...
+    
+    const is_valid = is_valid_username && is_valid_email;
+    if (!is_valid) {
+        console.debug("Fields are not following the expected formats");
+        throw new AppError(400, "Bad request: The provided fields don't match the expected format");
+    }
+
+    // Check if user already exists
+    const exists = await user_model.exists(user_data.username);
+    if (exists) {
+        console.debug("Error: User already exists");
+        throw new AppError(403, "Forbidden: User with this name already exists");
+    }
+}
+
+async function validateCretendials(identifier, password) {
+    
+    throw new AppError(501, "Not implemented");
+}
+
+async function isEmail(text) {
+    const email_regex = /^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/;
+    return email_regex.test(text);
+}
+
+async function isID(text) {
+    const id_regex = /[a-zA-Z0-9_]+/;
+    return id_regex.test(text);
+}
+
+
+module.exports = { validateModData, validateUserData, isEmail, isID };