<%# Copyright 2013-2018 the original author or authors from the JHipster project. This file is part of the JHipster project, see http://www.jhipster.tech/ for more information. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. -%> package <%=packageName%>.security; import <%=packageName%>.domain.User; import <%=packageName%>.repository.UserRepository; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.security.core.GrantedAuthority; import org.springframework.security.core.authority.SimpleGrantedAuthority; import org.springframework.security.core.userdetails.UserDetails; import org.springframework.security.core.userdetails.UserDetailsService; import org.springframework.security.core.userdetails.UsernameNotFoundException; import org.springframework.stereotype.Component;<% if (databaseType === 'sql') { %> import org.springframework.transaction.annotation.Transactional;<%}%> import java.util.*; import java.util.stream.Collectors; /** * Authenticate a user from the database. */ @Component("userDetailsService") public class DomainUserDetailsService implements UserDetailsService { private final Logger log = LoggerFactory.getLogger(DomainUserDetailsService.class); private final UserRepository userRepository; public DomainUserDetailsService(UserRepository userRepository) { this.userRepository = userRepository; } @Override<% if (databaseType === 'sql') { %> @Transactional<%}%> public UserDetails loadUserByUsername(final String login) { log.debug("Authenticating {}", login); String lowercaseLogin = login.toLowerCase(Locale.ENGLISH); <%_ if (databaseType === 'sql') { _%> Optional userByEmailFromDatabase = userRepository.findOneWithAuthoritiesByEmail(lowercaseLogin); <%_ } else { // MongoDB and Cassandra _%> Optional userByEmailFromDatabase = userRepository.findOneByEmailIgnoreCase(lowercaseLogin); <%_ } _%> return userByEmailFromDatabase.map(user -> createSpringSecurityUser(lowercaseLogin, user)).orElseGet(() -> { <%_ if (databaseType === 'sql') { _%> Optional userByLoginFromDatabase = userRepository.findOneWithAuthoritiesByLogin(lowercaseLogin); <%_ } else { // MongoDB and Cassandra _%> Optional userByLoginFromDatabase = userRepository.findOneByLogin(lowercaseLogin); <%_ } _%> return userByLoginFromDatabase.map(user -> createSpringSecurityUser(lowercaseLogin, user)) .orElseThrow(() -> new UsernameNotFoundException("User " + lowercaseLogin + " was not found in the " + "database")); }); } private org.springframework.security.core.userdetails.User createSpringSecurityUser(String lowercaseLogin, User user) { if (!user.getActivated()) { throw new UserNotActivatedException("User " + lowercaseLogin + " was not activated"); } List grantedAuthorities = user.getAuthorities().stream()<% if (databaseType === 'sql' || databaseType === 'mongodb') { %> .map(authority -> new SimpleGrantedAuthority(authority.getName()))<% } %><% if (databaseType === 'cassandra' || databaseType === 'couchbase') { %> .map(authority -> new SimpleGrantedAuthority(authority))<% } %> .collect(Collectors.toList()); return new org.springframework.security.core.userdetails.User(user.getLogin(), user.getPassword(), grantedAuthorities); } }