[JAVA-29167] Upgrade spring-boot-keycloak to Spring Boot 3 (#15972)

Author: timis1

spring-boot-modules/spring-boot-keycloak/src/main/java/com/baeldung/keycloak/SecurityConfig.java

@@ -62,7 +62,7 @@ public SecurityFilterChain resourceServerFilterChain(HttpSecurity http) throws E
             .permitAll()
             .anyRequest()
             .authenticated());
-        http.oauth2ResourceServer((oauth2) -> oauth2
+        http.oauth2ResourceServer(oauth2 -> oauth2
             .jwt(Customizer.withDefaults()));
         http.oauth2Login(Customizer.withDefaults())
             .logout(logout -> logout.addLogoutHandler(keycloakLogoutHandler).logoutSuccessUrl("/"));
@@ -88,17 +88,15 @@ public GrantedAuthoritiesMapper userAuthoritiesMapperForKeycloak() {
                     var roles = (Collection<String>) realmAccess.get(ROLES_CLAIM);
                     mappedAuthorities.addAll(generateAuthoritiesFromClaim(roles));
                 } else if (userInfo.hasClaim(GROUPS)) {
-                    Collection<String> roles = (Collection<String>) userInfo.getClaim(
-                        GROUPS);
+                    Collection<String> roles = userInfo.getClaim(GROUPS);
                     mappedAuthorities.addAll(generateAuthoritiesFromClaim(roles));
                 }
             } else {
                 var oauth2UserAuthority = (OAuth2UserAuthority) authority;
                 Map<String, Object> userAttributes = oauth2UserAuthority.getAttributes();
 
                 if (userAttributes.containsKey(REALM_ACCESS_CLAIM)) {
-                    Map<String, Object> realmAccess = (Map<String, Object>) userAttributes.get(
-                        REALM_ACCESS_CLAIM);
+                    Map<String, Object> realmAccess = (Map<String, Object>) userAttributes.get(REALM_ACCESS_CLAIM);
                     Collection<String> roles = (Collection<String>) realmAccess.get(ROLES_CLAIM);
                     mappedAuthorities.addAll(generateAuthoritiesFromClaim(roles));
                 }

spring-boot-modules/spring-boot-keycloak/src/main/java/com/baeldung/keycloaksoap/KeycloakSecurityConfig.java

@@ -4,7 +4,7 @@
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.security.config.Customizer;
-import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
+import org.springframework.security.config.annotation.method.configuration.EnableMethodSecurity;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
 import org.springframework.security.config.annotation.web.configurers.AbstractHttpConfigurer;
@@ -13,15 +13,15 @@
 @Configuration
 @EnableWebSecurity
 @ConditionalOnProperty(name = "keycloak.enabled", havingValue = "true")
-@EnableGlobalMethodSecurity(jsr250Enabled = true)
+@EnableMethodSecurity(jsr250Enabled = true)
 public class KeycloakSecurityConfig {
 
     @Bean
     public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
         http.csrf(AbstractHttpConfigurer::disable)
             .authorizeHttpRequests(auth -> auth.anyRequest()
                 .authenticated())
-            .oauth2ResourceServer((oauth2) -> oauth2
+            .oauth2ResourceServer(oauth2 -> oauth2
                 .jwt(Customizer.withDefaults()));
         return http.build();
     }