Keycloak

In this short tutorial, you will learn how to configure the /logout functionality in your Spring Boot Web application that uses OAuth2 Social Login. To learn how to implement the OAuth2 Social login feature, please check the following tutorial: Spring Security OAuth 2 Social Login. Configure HttpSecurity Applications that use Spring Security and OAuth2 Social login…

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In this tutorial, you will learn how to get the currently authenticated principal user UserId value from the JWT access token generated by Keycloak. UserId in JWT The userId value will be stored under the “sub” key in the JWT access token generated by Keycloak. Below is an example of a decoded JWT access token containing…

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In this tutorial, you will learn how to register a new OAuth Client application with Keycloak and how to request an access token using the Client Credentials grant type. If you are interested to learn how to perform other OAuth 2 authorization flows with Keycloak, then have a look at the following tutorials as well.…

Read More Keycloak: Client Credentials Grant Example

In this tutorial, you will learn how to create a new OAuth Client application in Keycloak. If you are interested to learn more about Keycloak and how to perform different OAuth 2 authorization flows using the Keycloak server, then have a look at other Keycloak tutorials as well. Creating a New OAuth Client Application To…

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In this tutorial, you will learn how to perform PKCE verification when acquiring an access token using the OAuth 2 Authorization Code Grant flow. PKCE stands for Proof Key for Code Exchange and the PKCE-enhanced Authorization Code Flow builds upon the standard Authorization Code Flow, so the steps are very similar. To learn how to acquire…

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In this tutorial, you will learn how to get an access token from the Keycloak authorization server using the OAuth Authorization Code Grant flow. You should use this authorization flow only if your application support redirects. For example, if your application is a Web application or a mobile application, then this authorization grant flow is…

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In this tutorial, you will learn how to use a Password Grant OAuth 2 authorization flow to request an Access Token and a Refresh token from the Keycloak server by sending HTTP Post request to a /token web service endpoint. The Password Grant flow should only be used if your application does not support redirects. Otherwise,…

Read More Keycloak: Requesting Token with Password Grant

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