Spring 5.0 By Example

Implicit grant flow

In this section, we will take a look at how to authenticate in our Auth microservice using the implicit flow.

Before we test our flow, let's create a user to enable authentication in the Auth microservice. The following command will create a user in the Auth service:

curl -H "Content-Type: application/json" -X POST -d '{"name":"John Doe","email":"[e-mail]", "password" : "john"}' http://localhost:7777/register

As we can see, the email is [e-mail] and the password is john.

We will use the browser to do this task. Let's go to the following URL:

http://localhost:7777/oauth/authorize?client_id=ecommerce&response_type=token&scope=write&state=8777&redirect_uri=https://httpbin.org/anything

Let's understand the parameters: ...