domain

You can get the Domain from the Application Settings section in the Auth0 dashboard.

client_id

You can get the Client ID from the Application Settings section in the Auth0 dashboard.

client_secret

You can get the Client Secret from the Application Settings section in the Auth0 dashboard.

Intergrate Auth0 with Java servlet Application.jpg

auth0Tarball.tar.gz

java-servlet

login-servlet

callback-servlet

home-servlet

logout-servlet

java-servlet-original

Auth0 is a flexible, drop-in tool that lets you add authentication and authorization services to your applications. It allows you to authenticate and authorize apps and APIs with any identity provider running on any stack, device, or cloud. It makes it easy for you to give your users the ability to authenticate with the credentials that they are most familiar with.

This course walks you through the integration of Auth0 login into the Java servlet application. You will first be guided through the necessary configurations that you need to make on the Auth0 platform. After that, you will learn about the project structure and implementation of different servlets in detail by looking at a sample login application. The course will also explain the workflow of the different servlets coordinating with each other to successfully authenticate the users and land them on the homepage. You will be interacting with the sample login application throughout the course for a hands-on experience.

Integrate Auth0 with Java Servlet Application

## Authentication controller

To enable users to authenticate themselves, create an instance of `AuthenticationController` using the `domain`, `clientId`, and `clientSecret`. The `AuthenticationController` is provided by the [auth0-java-mvc-commons](https://github.com/auth0/auth0-java-mvc-common) SDK. The code below shows how to configure the controller for use with tokens (i.e., `domain`, `clientId`, and `clientSecret`) signed using the RS256 asymmetric signing algorithm. This is done by specifying a `JwkProvider` (JSON Web Key Provider) to fetch the public key used to verify the token's signature. See the [jwks-rsa-java](https://github.com/auth0/jwks-rsa-java) repository to learn about additional configuration options. If you are using HS256, there is no need to configure the `JwkProvider`. You can go through this [guide](https://auth0.com/docs/tokens/signing-algorithms) to learn about Auth0's signing algorithms.

# Authentication controller

To enable users to authenticate themselves, create an instance of `AuthenticationController` using the `domain`, `clientId`, and `clientSecret`. The `AuthenticationController` is provided by the [auth0-java-mvc-commons](https://github.com/auth0/auth0-java-mvc-common) SDK. The code below shows how to configure the controller for use with tokens (i.e., `domain`, `clientId`, and `clientSecret`) signed using the RS256 asymmetric signing algorithm. This is done by specifying a `JwkProvider` (JSON Web Key Provider) to fetch the public key used to verify the token's signature. See the [jwks-rsa-java](https://github.com/auth0/jwks-rsa-java) repository to learn about additional configuration options. If you are using HS256, there is no need to configure the `JwkProvider`. You can go through this [guide](https://auth0.com/docs/tokens/signing-algorithms) to learn about Auth0's signing algorithms.

Learn how to enable users to authenticate, log in, and handle different redirection requests.

Introduction

Auth0 Integration

Conclusion

Trigger Authentication

Authentication controller