在Spring Boot中获取Keycloak的AccessToken [英] Get the AccessToken of Keycloak in Spring Boot

问题描述

我在Spring Boot应用程序中使用Keycloak进行授权管理，我从以下curl命令获取访问令牌:

i used Keycloak for the authorization management in my spring boot application, i get the access token from this curl command:

curl \
 -d "client_id=admin-cli" \
 -d "username=user" \
 -d "password=password" \
 -d "grant_type=password" \
 "http://localhost:8180/auth/realms/SpringBootKeycloak/protocol/openid-connect/token"

现在我想在控制器中获取此accessToken，我尝试了

now i want to get this accessToken in my controller, i tried this example but it doesn't seem to be working, It displays this error :

org.keycloak.adapters.springsecurity.token.KeycloakAuthenticationToken cannot be cast to org.keycloak.KeycloakPrincipal

推荐答案

您可以尝试以下代码

        KeycloakAuthenticationToken token = (KeycloakAuthenticationToken) request.getUserPrincipal();        
        KeycloakPrincipal principal=(KeycloakPrincipal)token.getPrincipal();
        KeycloakSecurityContext session = principal.getKeycloakSecurityContext();
        AccessToken accessToken = session.getToken();
        username = accessToken.getPreferredUsername();
        emailID = accessToken.getEmail();
        lastname = accessToken.getFamilyName();
        firstname = accessToken.getGivenName();
        realmName = accessToken.getIssuer();            
        Access realmAccess = accessToken.getRealmAccess();
        roles = realmAccess.getRoles();

我正在使用 2.4.0.Final

I am using 2.4.0.Final

这与示例相同，您可以分享您的作品，以了解您的钻头出了什么问题

This is along the same line as the example, you can share your piece to understand whats wrong with your bit

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