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Home Web Front-end JS Tutorial How to Add Authentication to Your Vue App Using Okta

How to Add Authentication to Your Vue App Using Okta

Feb 15, 2025 pm 01:05 PM

This tutorial guides you through building a Vue.js application secured by Okta's OpenID Connect (OIDC) API, including CRUD operations via a backend REST API. We'll use Vue.js with vue-cli, vue-router, and the Okta Vue SDK, along with Node.js, Express, Okta JWT Verifier, Sequelize, and Epilogue on the backend.

How to Add Authentication to Your Vue App Using Okta

Key Features:

  • Secure authentication using Okta's OIDC API.
  • Vue.js project scaffolding with vue-cli's PWA template.
  • Okta Vue SDK for authentication flow management and route protection.
  • Backend REST API server (Node, Express, Sequelize) for CRUD operations.
  • Dynamic navigation based on authentication status.
  • Comprehensive testing of authentication and CRUD functionality.

About Vue.js:

Vue.js is a user-friendly and powerful JavaScript framework ideal for building high-performance web applications.

How to Add Authentication to Your Vue App Using Okta

This tutorial creates a frontend SPA (homepage, login/logout, posts manager) and a backend REST API server (Express, Sequelize, Epilogue). Okta's OIDC handles authentication via the Okta Vue SDK. The server uses JWT-based authentication, validated by Okta's JWT Verifier middleware. Exposed endpoints (GET /posts, GET /posts/:id, POST /posts, PUT /posts/:id, DELETE /posts/:id) all require a valid access token.

Setting up Your Vue.js App:

Use vue-cli to scaffold the project:

npm install -g vue-cli
vue init pwa my-vue-app
cd ./my-vue-app
npm install
npm run dev

This creates a PWA with features like hot reloading and unit testing. Access it at http://localhost:8080.

Installing Bootstrap:

Enhance the UI with Bootstrap-Vue:

npm i --save bootstrap-vue bootstrap

Modify ./src/main.js to include Bootstrap-Vue and its CSS.

Okta Authentication Integration:

  1. Create an OIDC application in your Okta developer account.
  2. Install the Okta Vue SDK: npm i --save @okta/okta-vue
  3. Configure the router (./src/router/index.js) with Okta's Auth plugin, replacing placeholders with your Okta domain and client ID. Implement authRedirectGuard for route protection.

Customizing the App Layout:

Modify ./src/App.vue to dynamically show "Login" or "Logout" based on the user's authentication status using v-if. Implement login and logout methods using the $auth object provided by the Okta Vue SDK.

Creating the Backend REST API Server:

  1. Install dependencies: npm i --save express cors @okta/jwt-verifier sequelize sqlite3 epilogue axios
  2. Create ./src/server.js. This file sets up Express, Sequelize (using SQLite for simplicity), Epilogue for REST endpoint generation, and Okta JWT Verifier middleware for authentication.

Completing the Posts Manager Component:

Create ./src/api.js for centralized API interaction. This helper handles adding the access token to API requests. Then, complete ./src/components/PostsManager.vue to implement CRUD operations using the api helper functions.

Testing the Application:

Run the server (node ./src/server) and the frontend (npm run dev). Test authentication and CRUD functionality.

How to Add Authentication to Your Vue App Using Okta How to Add Authentication to Your Vue App Using Okta

Further Resources:

(FAQs section removed as it's a repetition of information already covered in the tutorial.)

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