add spring security and token management

src/main/java/com/iconplus/smartproc/configuration/CustomUserDetailsService.java

@@ -0,0 +1,33 @@
+package com.iconplus.smartproc.configuration;
+
+import com.iconplus.smartproc.model.projection.UserRoleView;
+import com.iconplus.smartproc.repository.RolesRepository;
+import org.springframework.security.core.authority.SimpleGrantedAuthority;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.core.userdetails.UserDetailsService;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.Optional;
+
+@Service
+public class CustomUserDetailsService implements UserDetailsService {
+
+	private final RolesRepository rolesRepository;
+
+	public CustomUserDetailsService(RolesRepository rolesRepository) {
+		this.rolesRepository = rolesRepository;
+	}
+
+
+	@Override
+	public UserDetails loadUserByUsername(String username) {
+		List<SimpleGrantedAuthority> authorities = null;
+		Optional<UserRoleView> userRole = rolesRepository.getUserRoleByUserId(username);
+		if (userRole.isPresent()) {
+			authorities=List.of(new SimpleGrantedAuthority(userRole.get().getRole()));
+		}
+
+		return new org.springframework.security.core.userdetails.User(username, username, authorities);
+	}
+}