https://gist.github.com/sazzadislam-dsi/edb8a0663107d3c7726065a27d0ceb9a

@Configuration
@EnableNeo4jRepositories(basePackages = arrayOf("com.lynas.repo"))
@EnableTransactionManagement
open class DBConfig(environment: Environment) : Neo4jConfiguration() {
    val neo4jDB_URL: String = environment.getProperty("db.local.url")

    @Bean
    override fun getSessionFactory() = SessionFactory(getConfiguration(), "com.lynas.model")

    @Bean
    open fun getConfiguration() = org.neo4j.ogm.config.Configuration().apply {
        driverConfiguration()
                .setDriverClassName("org.neo4j.ogm.drivers.bolt.driver.BoltDriver")
                .setConnectionPoolSize(150)
                .uri = "bolt://neo4j:123456@localhost:7687"
    }
}

@Configuration
@EnableWebSecurity
@EnableGlobalMethodSecurity(prePostEnabled = true)
@ComponentScan(basePackageClasses = arrayOf(UserDetailService::class))
open class SecurityConfig (val userDetailService:UserDetailsService) : WebSecurityConfigurerAdapter(){

    @Autowired
    fun configureGlobal(auth:AuthenticationManagerBuilder) {
        auth.userDetailsService(userDetailService).passwordEncoder(BCryptPasswordEncoder())
    }

    override fun configure(http: HttpSecurity) {
        http.authorizeRequests().antMatchers("/signup").permitAll()
        .and()
        .authorizeRequests().anyRequest().authenticated()
        .and()
        .formLogin().loginPage("/login").permitAll()
        .and()
        .logout().permitAll()
    }
}



@Service("userDetailsService")
class UserDetailService(var appUserService: AppUserService) : UserDetailsService {


    override fun loadUserByUsername(userName: String): UserDetails {
        // todo need to fix to get in from db
        val appUser:AppUser? = appUserService.findById(48)

        /*val appUser: AppUser? = AppUser().apply {
            username = userName
            password = "$2a$10$3mUSOw6gya8AeNnzL7qiaO2p9qeko.rWVpRpRdZQ4SoICglyGQVHa"
            authorities = "ROLE_USER, ROLE_ADMIN"
        }*/

        if (null == appUser) {
            throw UsernameNotFoundException(String.format("No user found with username '%s'" + userName))
        } else {
            return SpringSecurityUser(
                    appUser.id,
                    appUser.username,
                    appUser.password,
                    null,
                    null,
                    AuthorityUtils.commaSeparatedStringToAuthorityList(appUser.authorities)
            )
        }

    }
}