「🏗️」 wip: refactor working

src/utils/authDB.js

@@ -0,0 +1,39 @@
+import Database from 'better-sqlite3';
+
+var env = process.env.NODE_ENV || 'development';
+let database;
+const RESERVED_USERNAMES = ['admin'];
+let userCheck, passwordQuery, userAdd;
+
+if (!env || env === 'development') {
+	database = new Database(":memory:", { verbose: console.log });
+} else {
+	var dbPath = process.env.DB_PATH || '/db/db.sqlite';
+	database = new Database(dbPath);
+}
+
+/**
+ *	@description	Can be used to prepare the database
+ */
+function prepareDB() {
+	database.exec(`
+        CREATE TABLE IF NOT EXISTS credentials (
+            username TEXT PRIMARY KEY,
+            passwordHash TEXT
+        ) STRICT
+    `);
+	userCheck = database.prepare('SELECT EXISTS (SELECT 1 FROM credentials WHERE username = ?);');
+	passwordQuery = database.prepare('SELECT passwordHash FROM credentials WHERE username = ?;');
+	userAdd = database.prepare('INSERT INTO credentials (username, passwordHash) VALUES (?, ?)');
+}
+
+
+const authDB = {
+	prepareDB,
+	get userCheck() { return userCheck; },
+	get userAdd() { return userAdd; },
+	get passwordQuery() { return passwordQuery; },
+	RESERVED_USERNAMES
+};
+
+export default authDB;

src/utils/authUtils.js

@@ -0,0 +1,23 @@
+import authDB from './authDB.js';
+
+/**
+ *	@param {string} value
+ *
+ *	@returns {boolean}
+ */
+export function isValidString(value) {
+	return typeof value === 'string' && value.trim() !== '';
+}
+
+/**
+ *	@param {string} name
+ *	@param {import('better-sqlite3').Statement} userCheck
+ *
+ *	@returns {boolean}
+ */
+export function checkUser(name, userCheck) {
+	const result = authDB.userCheck.get(name);
+	const key = Object.keys(result)[0];
+
+	return result[key] === 1;
+}