JAVA-18764: Changes made for updating the code

security-modules/cas/cas-secured-app/src/main/java/com/baeldung/cassecuredapp/CasSecuredApplication.java

@@ -12,6 +12,8 @@ import org.springframework.security.authentication.AuthenticationManager;
 import org.springframework.security.cas.ServiceProperties;
 import org.springframework.security.cas.authentication.CasAuthenticationProvider;
 import org.springframework.security.cas.web.CasAuthenticationFilter;
+import org.springframework.security.core.authority.AuthorityUtils;
+import org.springframework.security.core.userdetails.User;
 import org.springframework.security.web.authentication.logout.LogoutFilter;
 import org.springframework.security.web.authentication.logout.SecurityContextLogoutHandler;
 
@@ -62,10 +64,11 @@ public class CasSecuredApplication {
         CasAuthenticationProvider provider = new CasAuthenticationProvider();
         provider.setServiceProperties(serviceProperties);
         provider.setTicketValidator(ticketValidator);
-       /* provider.setUserDetailsService(
+        provider.setUserDetailsService(
           s -> new User("casuser", "Mellon", true, true, true, true,
-          AuthorityUtils.createAuthorityList("ROLE_ADMIN")));*/
-        provider.setUserDetailsService(getUser());
+          AuthorityUtils.createAuthorityList("ROLE_ADMIN")));
+        //For Authentication with a Database-backed UserDetailsService
+        //provider.setUserDetailsService(getUser());
         provider.setKey("CAS_PROVIDER_LOCALHOST_8900");
         return provider;
     }

security-modules/cas/cas-secured-app/src/main/java/com/baeldung/cassecuredapp/service/CasUserDetailsService.java

@@ -4,11 +4,12 @@ import java.util.Collections;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.security.core.authority.SimpleGrantedAuthority;
+import org.springframework.security.core.userdetails.User;
 import org.springframework.security.core.userdetails.UserDetails;
 import org.springframework.security.core.userdetails.UserDetailsService;
 import org.springframework.security.core.userdetails.UsernameNotFoundException;
 
-import com.baeldung.cassecuredapp.user.User;
+import com.baeldung.cassecuredapp.user.CasUser;
 import com.baeldung.cassecuredapp.user.UserRepository;
 
 public class CasUserDetailsService implements UserDetailsService {
@@ -19,18 +20,18 @@ public class CasUserDetailsService implements UserDetailsService {
     @Override
     public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
         // Get the user from the database.
-        User user = getUserFromDatabase(username);
+        CasUser casUser = getUserFromDatabase(username);
 
         // Create a UserDetails object.
-        UserDetails userDetails = new org.springframework.security.core.userdetails.User(
-            user.getEmail(),
-            user.getPassword(),
+        UserDetails userDetails = new User(
+            casUser.getEmail(),
+            casUser.getPassword(),
            Collections.singletonList(new SimpleGrantedAuthority("ROLE_ADMIN")));
 
         return userDetails;
     }
 
-    private User getUserFromDatabase(String username) {
+    private CasUser getUserFromDatabase(String username) {
        return userRepository.findByEmail(username);
     }
 }

security-modules/cas/cas-secured-app/src/main/java/com/baeldung/cassecuredapp/user/CasUser.java

@@ -5,7 +5,7 @@ import javax.persistence.Entity;
 import javax.persistence.Id;
 
 @Entity
-public class User {
+public class CasUser {
     @Id
     private Long id;
 

security-modules/cas/cas-secured-app/src/main/java/com/baeldung/cassecuredapp/user/UserRepository.java

@@ -4,11 +4,9 @@ import org.springframework.data.repository.CrudRepository;
 import org.springframework.data.repository.query.Param;
 import org.springframework.stereotype.Repository;
 
-import com.baeldung.cassecuredapp.user.User;
-
 @Repository
-public interface UserRepository extends CrudRepository<User, Long> {
+public interface UserRepository extends CrudRepository<CasUser, Long> {
 
-    User findByEmail(@Param("email") String email);
+    CasUser findByEmail(@Param("email") String email);
 
 }

security-modules/cas/cas-secured-app/src/main/resources/application.properties

@@ -1,8 +1,8 @@
 server.port=8900
 spring.freemarker.suffix=.ftl
 
-spring.jpa.generate-ddl=false
-spring.datasource.url= jdbc:mysql://127.0.0.1:3306/test?useUnicode=true&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=UTC
-spring.datasource.username=root
-spring.datasource.password=root1234
-spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
+#spring.jpa.generate-ddl=false
+#spring.datasource.url= jdbc:mysql://127.0.0.1:3306/test?useUnicode=true&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=UTC
+#spring.datasource.username=root
+#spring.datasource.password=root
+#spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver