Login and Register API added, further info shared between Owners

api/helpers.ts

@@ -7,7 +7,8 @@
  * 
  */
 import { Context } from "https://deno.land/x/oak/mod.ts";
-import { hash } from "node:crypto";
+import { encodeHex } from "jsr:@std/encoding/hex";
+// import { hash } from "node:crypto";
 
 export type ApiResponse = {
     status: number;
@@ -37,8 +38,18 @@ const errorResponse = (ctx: Context, status: number, message: string): void => {
 /** 
  * @description Hashing Function for Passwords/etc 
  * @param password The password to hash
- * Works only up to 5 Megabytes
  */
-const hashPassword = async (password: string): Promise<string> => {
-    return hash("sha256", password);
-}
+const hashPassword = async(password: string): Promise<string> => {
+    const to_hash = password;
+    const buffer = new TextEncoder().encode(to_hash);
+    const hash_buffer = await crypto.subtle.digest("SHA-256", buffer);
+    const hash = await encodeHex(hash_buffer);
+    
+    return hash;
+}
+
+export {
+    sendResponse,
+    errorResponse,
+    hashPassword
+};

api/main.ts

@@ -32,8 +32,8 @@ router
 
 // Account routes
 router
-  .post("/api/account/login", () => {}) // TODO 
-  .post("/api/account/register", () => {}) // TODO
+  .post("/api/account/login", api_login) // TODO 
+  .post("/api/account/register", api_register) // TODO
   .post("/api/account/logout", () => {}) // TODO
   .post("/api/account/password/forgot", () => {}) // TODO
   .post("/api/account/password/reset", () => {}) // TODO
@@ -52,7 +52,7 @@ router
 // User routes
 router
   .get("/api/users", api_getAllUsers)
-  .get("/api/user/:id/info", api_user_getInfo);
+  .get("/api/user/:id/info", api_user_getInfo); // @error GEHT NICHT
 
 // Post routes  
 router
@@ -69,6 +69,7 @@ router
  * Currently not implemented
  * Middleware
  */
+
 async function authenticator(ctx: Context, next: Next): Promise<void> {
     const authHeader = ctx.request.headers.get('Authorization');
 
@@ -111,8 +112,7 @@ async function tokenChecker(ctx: Context, next: Next): Promise<void>  {
      */
 }
 
-
-async function api_getAllUsers(ctx: any): Promise<void> {
+async function api_getAllUsers(ctx: Context): Promise<void> {
     const getUsers = await db_utils.getAllUsersFromDB();
     ctx.response.body = getUsers;
 }
@@ -129,33 +129,89 @@ async function api_user_getInfo(ctx: any): Promise<void> {
 
     try {
         const user = await db_utils.getAllUserInfoByID(id);
-        
-        if (!user) {
-            ctx.response.status = 404; // Not Found status/Doesn't exist
-            ctx.response.body = { error: "User not found" };
+        if (user === null || user === undefined) {
+            helper_utils.errorResponse(ctx, 404, "User not found");
             return;
         }
 
         ctx.response.body = user;
     } catch (error) {
-        ctx.response.status = 500; // Internal Server Error status
-        ctx.response.body = { error: "Error" };
+        helper_utils.errorResponse(ctx, 500, "Internal Server Error");
     }
 }
 
-
 // Posts
-async function api_posts_getAll(ctx: any): Promise<void> {
+async function api_posts_getAll(ctx: Context): Promise<void> {
     const posts = await db_utils.getPostsFromDB();
     ctx.response.body = posts;
 }
 
 // Comments
 
+// login/register
+async function api_register(ctx: Context): Promise<void> {
+    try {
+        const body = ctx.request.body;
+        const result = await body.json();
+        const { username, password, userGroup, displayname, user_email, firstname, surname} = result;
+        const account_created = `${Math.floor(Date.now() / 1000)}${new Date().toLocaleDateString('en-GB').split('/').join('.')}`;
+
+
+        if ( !username || !password || !userGroup || !displayname || !user_email || !firstname || !surname) {
+            helper_utils.errorResponse(ctx, 400, "Missing required fields");
+            return;
+        }
+
+        const hash = await helper_utils.hashPassword(password);
+        const userId = await db_utils.registerUser(username, hash, userGroup, displayname, user_email, firstname, surname, account_created);
+        helper_utils.sendResponse(ctx, { status: 200, body: `Registered under name: ${userId}` });
+    } catch (error) {
+        console.log(error);
+        helper_utils.errorResponse(ctx, 500, "Invalid request");
+        return;
+    }
+}
+
+async function api_login(ctx: Context): Promise<string> {
+    try {
+        const body = ctx.request.body;
+        const result = await body.json();
+        const { username, password } = result;
+
+        if (!username || !password) {
+            helper_utils.errorResponse(ctx, 400, "Missing required fields");
+            return "Error";
+        }
+
+        const user = await db_utils.getUserByUsername(username);
+        if (!user) {
+            helper_utils.errorResponse(ctx, 404, "User not found");
+            return "Error";
+        }
+
+        const hash = await helper_utils.hashPassword(password);
+        if (user.password !== hash) {
+            helper_utils.errorResponse(ctx, 401, "Invalid password");
+            return "Error";
+        }
+
+
+    } catch (error) {
+        console.log(error);
+        helper_utils.errorResponse(ctx, 500, "Invalid request");
+        return "Error";
+    }
+    
+    return "Success";
+}
+
 // Filtering
 
 // +++ APP ---------------------------------------------------------- //
-app.use(oakCors());
+app.use(oakCors({
+    origin: '*',
+    credentials: true,
+}));
 app.use(router.routes());
 app.use(router.allowedMethods());
 

database/utils.ts

@@ -173,6 +173,17 @@ async function getAllUsersFromDB(): Promise<Accounts[]> {
     return await queryDatabase<Accounts>(query, [], mapAccountRow);
 }
 
+/**
+ * @param username 
+ * @returns Returns the Accounts for the User with the given username
+ */
+async function getUserByUsername(username: string): Promise<Accounts> {
+    const query = `SELECT * FROM accounts WHERE user_username = '${username}'`;
+    const params:string[] = [];
+    const result = await queryDatabase<Accounts>(query, params, mapAccountRow);
+    return result[0];
+}
+
 /**
  * @param post_id The ID of the Post to get the Comments for. Not required
  * @description If no post_id is provided, all Comments will be returned
@@ -192,6 +203,7 @@ async function getCommentsFromDB(post_id?: number): Promise<Comments[]> {
  * @returns Array of Comments for the Comment, or an empty Array if there are no Comments
  */
 function getCommentsForComments(comment_id: number) {
+    // Will be rewritten to use the queryDatabase function
 }
 
 /**
@@ -221,11 +233,34 @@ function filterForTextPosts(posts_to_filter: Array<any>) {
     return [];
 }
 
+
+// Register/Login/User
+
+/**
+ * @param user The name of the User to add
+ * @param password The password of the User to add
+ * @returns Array of Posts from the User, or an empty Array if the User doesn't exist or has no Posts
+ */
+function registerUser (user: string, password: string, userGroup: string, displayname: string, user_email: string, firstname: string, surname: string, account_created: string): string {
+    const query_user_exists = `SELECT * FROM accounts WHERE user_username = '${user}'`;
+    if (!query_user_exists) {
+        return "noUser";
+    }
+
+    const query_add_user = `INSERT INTO accounts (user_username, password, user_group, user_displayname, user_email, firstname, surname, account_created) VALUES ('${user}', '${password}', '${userGroup}', '${displayname}', '${user_email}', '${firstname}', '${surname}', '${account_created}')`;
+    db.query(query_add_user);
+    console.log(`New user: ${user}`)
+
+    return "newUser";
+}
+
 // Exporting all functions as this is a module
 export {
+    registerUser,
     createDatabaseIfNotExist,
     getAllUserInfoByID,
     getAllUsersFromDB,
+    getUserByUsername,
     getCommentsForComments,
     getCommentsFromDB,
     getPostsFromDB,

deno.lock

@@ -6,6 +6,7 @@
     "jsr:@std/bytes@1": "1.0.2",
     "jsr:@std/bytes@^1.0.2": "1.0.2",
     "jsr:@std/crypto@1": "1.0.3",
+    "jsr:@std/encoding@*": "1.0.5",
     "jsr:@std/encoding@1": "1.0.5",
     "jsr:@std/encoding@^1.0.5": "1.0.5",
     "jsr:@std/http@1": "1.0.9",