Added user registration

Co-authored-by: LarsVomMars <lars@kroenner.eu>

1 files changed, 63 insertions, 1 deletions

diff --git a/src/db/user.ts b/src/db/user.ts
index c0cb127..3041c78 100644
--- a/src/db/user.ts
+++ b/src/db/user.ts
@@ -1,9 +1,71 @@
 import DBController from "./DBController.ts";
+import { hash, compare, genSalt } from "https://deno.land/x/bcrypt/mod.ts";
 
 class User {
-    createUser() {
+    private controller: DBController;
+    constructor() {
+        this.controller = new DBController();
+    }
+
+    /**
+     * Creates new user
+     * @param email
+     * @param username
+     * @param password
+     * @param isAdmin
+     */
+    async createUser(email: string, username: string, password: string, isAdmin: boolean = false): Promise<boolean> {
+        const salt = await genSalt(12);
+        const passwordHash = await hash(password, salt);
+        const verification = this.generateId();
+        try {
+            await this.controller.execute(
+                "INSERT INTO users (email, username, password, verification, is_admin) VALUE (?, ?, ?, ?, ?)",
+                [email, username, passwordHash, verification, isAdmin]
+            );
+            return true;
+        } catch (e) {
+            throw e;
+        }
+    }
 
+    /**
+     * Checks if the user provided password is correct
+     * @param username
+     * @param password
+     */
+    async login(username: string, password: string) {
+        const dbUser = (
+            await this.controller.query(
+                "SELECT id, password, verification, dark_theme, is_admin FROM users WHERE username = ?",
+                [username]
+            )
+        )[0];
+        if (compare(password, dbUser.password)) {
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    /**
+     * Generate random id
+     * @param len
+     * @private
+     */
+    // TODO: Improve
+    private generateId(len: number = 64): string {
+        const values = new Uint8Array(len / 2);
+        crypto.getRandomValues(values);
+        return Array.from(values, (dec) => ("0" + dec.toString(36)).substr(-2)).join("");
     }
 }
 
 export default new User();
+
+export interface loginData {
+    success: boolean;
+    uid?: number;
+    verification?: string;
+    darkTheme?: string;
+}