[WIP] refactor the auth source based on the following spec. Please do use API endpoint https://mixcore.net/swagger/v2/swagger.json. # Mixcore SPA Portal Authentication Integration Guide **For Svelte 5 and SvelteKit 2 Source Base** --- ## Table of Content...

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refactor the auth source based on the following spec. Please do use API endpoint https://mixcore.net/swagger/v2/swagger.json.

Mixcore SPA Portal Authentication Integration Guide

For Svelte 5 and SvelteKit 2 Source Base

---

Table of Contents

1. Overview
2. API Endpoints (I/O)
3. Authentication Flow (Sequence Diagram)
4. Step-by-Step SvelteKit 2 Integration

---

Overview

Mixcore SPA Portal uses a secure authentication system with these features:

• User registration and login (with client-side AES encryption)
• Token-based authentication (JWT)
• Token refresh flow
• External provider login (OAuth, e.g., Google)
• Role and permission-based access
• Password reset

You’ll interact with the Mixcore API via RESTful endpoints, handling tokens and user state in your Svelte/SvelteKit app.

---

API Endpoints (I/O)

Action	Method	Endpoint	Request Body/Params	Response
Register	POST	/account/register	{ username, email, password, ... }	{ isSucceed, errors }
Login	POST	/account/login	{ message: <AES-encrypted JSON> }	{ isSucceed, data: {accessToken, refreshToken, userInfo}, errors }
Refresh Token	POST	/account/refresh-token	{ refreshToken, accessToken }	{ isSucceed, data: {accessToken, refreshToken}, errors }
Logout	GET*	/account/logout	-	{ isSucceed }
Forgot Password	POST	/account/forgot-password	{ email }	{ isSucceed, errors }
Reset Password	POST	/account/reset-password	{ token, newPassword }	{ isSucceed, errors }
External Login	GET	/api/Account/ExternalLogin?provider=...	Redirect URL params	OAuth login redirect flow
External Callback	POST	/account/external-login	{ message: <AES-encrypted JSON> }	{ isSucceed, data: {accessToken, refreshToken}, errors }
Protected Data	GET	Any protected endpoint	Header: Authorization: Bearer <token>	{ ... } or 401

* Logout is usually handled by removing local tokens and redirecting the user.

---

Authentication Flow (Sequence Diagram)

sequenceDiagram
    participant User
    participant SvelteApp
    participant API as Mixcore API
    participant OAuth as OAuth Provider

    %% Registration
    User->>SvelteApp: Fills registration form
    SvelteApp->>API: POST /account/register
    API-->>SvelteApp: { isSucceed, errors }

    %% Login
    User->>SvelteApp: Enters credentials
    SvelteApp->>API: POST /account/login (AES-encrypted)
    API-->>SvelteApp: { accessToken, refreshToken, userInfo }

    %% Protected Request
    SvelteApp->>API: GET /protected (Bearer token)
    API-->>SvelteApp: { data } or 401

    %% Token Refresh
    SvelteApp->>API: POST /account/refresh-token
    API-->>SvelteApp: { accessToken, refreshToken }

    %% Logout
    User->>SvelteApp: Clicks logout
    SvelteApp->>API: (Clear tokens, redirect)

    %% Forgot/Reset Password
    User->>SvelteApp: Request reset
    SvelteApp->>API: POST /account/forgot-password
    API-->>User: Email with link
    User->>SvelteApp: Submit new password + token
    SvelteApp->>API: POST /account/reset-password
    API-->>SvelteApp: { isSucceed }

    %% External Login
    User->>SvelteApp: Clicks external login
    SvelteApp->>OAuth: OAuth flow
    OAuth-->>SvelteApp: Callback with token
    SvelteApp->>API: POST /account/external-login
    API-->>SvelteApp: { accessToken, refreshToken }

Loading

---

Integration Instructions for Svelte 5 / SvelteKit 2

1. Project Setup

• Install dependencies:

  npm install @auth/core axios aes-js

2. Create an Auth Store

• Use Svelte stores to manage authentication state:

  import { writable } from 'svelte/store';
  
  export const auth = writable({
    accessToken: null,
    refreshToken: null,
    user: null,
    isAuthenticated: false
  });

3. AES Encrypt Credentials Before Login

• Use aes-js or another crypto library for client-side encryption:

  import aesjs from 'aes-js';
  
  export function encryptAES(plainText: string, key: Uint8Array) {
    const textBytes = aesjs.utils.utf8.toBytes(plainText);
    const aesCtr = new aesjs.ModeOfOperation.ctr(key, new aesjs.Counter(5));
    const encryptedBytes = aesCtr.encrypt(textBytes);
    return aesjs.utils.hex.fromBytes(encryptedBytes);
  }

• Note: The encryption key should match what the Mixcore backend expects. For POC/dev, skip encryption, but for prod, coordinate with backend for secure key exchange.

4. Write API Request Helpers

• Use axios for HTTP requests and attach the Bearer token as needed:

  import axios from 'axios';
  import { get } from 'svelte/store';
  import { auth } from './stores/auth';
  
  const API_BASE = 'https://your-mixcore-api-url';
  
  export async function login(username: string, password: string) {
    // Encrypt credentials as needed
    // const message = encryptAES(JSON.stringify({ UserName: username, Password: password }), key);
    const message = JSON.stringify({ UserName: username, Password: password });
  
    const res = await axios.post(`${API_BASE}/account/login`, { message });
    if (res.data.isSucceed) {
      const { accessToken, refreshToken, userInfo } = res.data.data;
      auth.set({ accessToken, refreshToken, user: userInfo, isAuthenticated: true });
      // Store tokens in localStorage/sessionStorage
      localStorage.setItem('accessToken', accessToken);
      localStorage.setItem('refreshToken', refreshToken);
    }
    return res.data;
  }
  
  export function setAuthHeader() {
    const { accessToken } = get(auth);
    return {
      headers: {
        Authorization: `Bearer ${accessToken}`
      }
    };
  }
  
  export async function refreshToken() {
    const { refreshToken, accessToken } = get(auth);
    const res = await axios.post(`${API_BASE}/account/refresh-token`, { refreshToken, accessToken });
    if (res.data.isSucceed) {
      auth.update(a => ({ ...a, accessToken: res.data.data.accessToken, refreshToken: res.data.data.refreshToken }));
      localStorage.setItem('accessToken', res.data.data.accessToken);
      localStorage.setItem('refreshToken', res.data.data.refreshToken);
    }
  }

5. Protect SvelteKit Endpoints/Routes

• Use hooks to check authentication for protected pages:

  import { auth } from '$lib/stores/auth';
  
  export async function handle({ event, resolve }) {
    const accessToken = event.cookies.get('accessToken');
    if (accessToken) {
      auth.set({ ...auth, accessToken, isAuthenticated: true });
    }
    return resolve(event);
  }

• In SvelteKit load functions or page guards, check for auth.isAuthenticated.

6. External Login (OAuth)

• To initiate external login:

  // Redirect user to: `${API_BASE}/api/Account/ExternalLogin?provider=Google&redirect_uri=${YOUR_CALLBACK_URL}`

• On redirect/callback, handle the access token exchange as per the Mixcore API.

7. Logout

• Clear tokens from store and storage, redirect user:

  export function logout() {
    auth.set({ accessToken: null, refreshToken: null, user: null, isAuthenticated: false });
    localStorage.removeItem('accessToken');
    localStorage.removeItem('refreshToken');
    // Optionally call API /account/logout
  }

8. Password Reset

• POST /account/forgot-password with the user’s email.
• POST /account/reset-password with the reset token and new password.

---

Summary

• Encrypt credentials client-side before login if required.
• Store tokens securely (localStorage, cookies, or SvelteKit session as appropriate).
• Refresh tokens as needed when 401/unauthorized responses are received.
• Protect routes using SvelteKit hooks and page logic.
• Support OAuth by redirecting to the provider and handling the callback.
• Handle registration, password reset, and logout per API contract.

---

References:

• Mixcore Docs
• Mixcore API Swagger
• SvelteKit Docs
• Svelte Stores

---

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