Java tutorial
/* * Copyright (C) 2016 Dominik Schadow, dominikschadow@gmail.com * * This file is part of the Application Intrusion Detection project. * * 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 de.dominikschadow.duke.encounters.services; import de.dominikschadow.duke.encounters.domain.Authority; import de.dominikschadow.duke.encounters.domain.DukeEncountersUser; import de.dominikschadow.duke.encounters.enums.Level; import de.dominikschadow.duke.encounters.repositories.AuthorityRepository; import de.dominikschadow.duke.encounters.repositories.UserRepository; import org.owasp.appsensor.core.User; import org.owasp.security.logging.SecurityMarkers; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.security.core.Authentication; import org.springframework.security.core.context.SecurityContextHolder; import org.springframework.security.core.userdetails.UserDetails; import org.springframework.security.crypto.password.PasswordEncoder; import org.springframework.stereotype.Service; import javax.validation.constraints.NotNull; import java.util.Date; /** * CRUD services for users. * * @author Dominik Schadow */ @Service public class UserService { private static final Logger logger = LoggerFactory.getLogger(UserService.class); private final UserRepository userRepository; private final AuthorityRepository authorityRepository; private final PasswordEncoder passwordEncoder; @Autowired public UserService(UserRepository userRepository, AuthorityRepository authorityRepository, PasswordEncoder passwordEncoder) { this.userRepository = userRepository; this.authorityRepository = authorityRepository; this.passwordEncoder = passwordEncoder; } /** * Creates a new user. This user receives the normal user role, is enabled and has the {@link Level} NEWBIE. * * @param newUser The user to create * @return The created user with all fields filled */ public DukeEncountersUser createUser(@NotNull DukeEncountersUser newUser) { logger.info("Creating user with username {}", newUser.getEmail()); Authority authority = authorityRepository.save(new Authority(newUser.getUsername(), "ROLE_USER")); newUser.setEnabled(true); newUser.setLevel(Level.NEWBIE); newUser.setRegistrationDate(new Date()); newUser.setAuthority(authority); newUser.setPassword(hashPassword(newUser.getPassword())); DukeEncountersUser user = userRepository.save(newUser); logger.warn(SecurityMarkers.SECURITY_AUDIT, "Created a new user with username {} and id {} with role {}", user.getUsername(), user.getId(), user.getAuthority().getAuthority()); return user; } public DukeEncountersUser updateUser(@NotNull DukeEncountersUser dukeEncountersUser) { return userRepository.save(dukeEncountersUser); } public boolean confirmPassword(@NotNull String password) { return passwordEncoder.matches(password, getDukeEncountersUser().getPassword()); } public DukeEncountersUser findUser(String username) { return userRepository.findByUsername(username); } public String getUsername() { Authentication authentication = SecurityContextHolder.getContext().getAuthentication(); String username = authentication.getName(); if (authentication instanceof UserDetails) { UserDetails userDetails = (UserDetails) authentication; username = userDetails.getUsername(); } return username; } public User getUser() { return new User(getUsername()); } public DukeEncountersUser getDukeEncountersUser() { return getDukeEncountersUser(getUsername()); } public DukeEncountersUser getDukeEncountersUser(@NotNull String username) { return userRepository.findByUsername(username); } public String hashPassword(String password) { return passwordEncoder.encode(password); } }