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UserService.java
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UserService.java
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package lol.gilliard.springboot2fa;
import com.amdelamar.jotp.OTP;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
@Service
public class UserService implements UserDetailsService {
@Autowired
private UserRepository userRepository;
@Autowired
private PasswordEncoder passwordEncoder;
@Transactional
public void createNewUser(UserDto userDto) throws UserAlreadyExistsException {
if (userRepository.findByUsername(userDto.getUsername()) != null){
throw new UserAlreadyExistsException();
}
userDto.setPassword(passwordEncoder.encode(userDto.getPassword()));
// TODO: (DONE registration) This is the place to set any extra details on the userDto before it's persisted to the database
userDto.setSecret(OTP.randomBase32(20));
userRepository.save(userDto);
}
@Override
public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
UserDto userDto = userRepository.findByUsername(username);
if (userDto == null){
throw new UsernameNotFoundException("user " + username + " not found");
}
return new UserPrincipal(userDto);
}
public static class UserAlreadyExistsException extends Exception {
// thrown if necessary by `createNewUser` above.
}
}