Added Spring Security with Keycloak support

Author: pavankjadda

pom.xml

@@ -33,8 +33,9 @@
         </dependency>
 
         <dependency>
-             <groupId>org.keycloak</groupId>
-             <artifactId>keycloak-spring-boot-starter</artifactId>
+            <groupId>org.keycloak</groupId>
+            <artifactId>keycloak-spring-boot-starter</artifactId>
+            <version>6.0.1</version>
         </dependency>
 
         <dependency>
@@ -75,7 +76,7 @@
             <dependency>
                 <groupId>org.keycloak.bom</groupId>
                 <artifactId>keycloak-adapter-bom</artifactId>
-                <version>3.3.0.Final</version>
+                <version>6.0.1</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>

src/main/java/com/pj/keycloak/KeyCloakSpringSecurityApplication.java

@@ -6,10 +6,8 @@
 @SpringBootApplication
 public class KeyCloakSpringSecurityApplication
 {
-
     public static void main(String[] args)
     {
         SpringApplication.run(KeyCloakSpringSecurityApplication.class, args);
     }
-
 }

src/main/java/com/pj/keycloak/security/SecurityConfig.java

@@ -8,6 +8,7 @@
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.FilterType;
 import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
@@ -18,10 +19,10 @@
 
 @Configuration
 @EnableWebSecurity
-@ComponentScan(basePackageClasses = {KeycloakSecurityComponents.class})
+@ComponentScan(basePackageClasses = {KeycloakSecurityComponents.class},
+        excludeFilters = @ComponentScan.Filter(type = FilterType.REGEX, pattern = "org.keycloak.adapters.springsecurity.management.HttpSessionManager"))
 public class SecurityConfig extends KeycloakWebSecurityConfigurerAdapter
 {
-
     @Autowired
     public void configureGlobal(AuthenticationManagerBuilder authenticationManagerBuilder)
     {

src/main/resources/application.yml

@@ -2,11 +2,13 @@
 server:
   port: 8081
 
+#Keycloak Properties
 keycloak:
   auth-server-url: http://localhost:8080/auth
   realm: nci
-  resource: angular-app
+  resource: spring-boot-app
   public-client: true
+  principal-attribute: preferred_username
 
 #Spring Properties