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CustomOAuth2UserService.java
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CustomOAuth2UserService.java
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package com.jojoldu.book.springboot.config.auth;
import com.jojoldu.book.springboot.config.auth.dto.OAuthAttributes;
import com.jojoldu.book.springboot.config.auth.dto.SessionUser;
import com.jojoldu.book.springboot.domain.user.User;
import com.jojoldu.book.springboot.domain.user.UserRepository;
import lombok.RequiredArgsConstructor;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.oauth2.client.userinfo.DefaultOAuth2UserService;
import org.springframework.security.oauth2.client.userinfo.OAuth2UserRequest;
import org.springframework.security.oauth2.client.userinfo.OAuth2UserService;
import org.springframework.security.oauth2.core.OAuth2AuthenticationException;
import org.springframework.security.oauth2.core.user.DefaultOAuth2User;
import org.springframework.security.oauth2.core.user.OAuth2User;
import org.springframework.stereotype.Service;
import javax.servlet.http.HttpSession;
import java.util.Collections;
@RequiredArgsConstructor
@Service
public class CustomOAuth2UserService implements OAuth2UserService<OAuth2UserRequest, OAuth2User> {
private final UserRepository userRepository;
private final HttpSession httpSession;
@Override
public OAuth2User loadUser(OAuth2UserRequest userRequest) throws OAuth2AuthenticationException {
OAuth2UserService delegate = new DefaultOAuth2UserService();
OAuth2User oAuth2User = delegate.loadUser(userRequest);
String registrationId = userRequest.getClientRegistration().getRegistrationId();
String userNameAttributeName = userRequest.getClientRegistration().getProviderDetails()
.getUserInfoEndpoint().getUserNameAttributeName();
OAuthAttributes attributes = OAuthAttributes.of(registrationId, userNameAttributeName, oAuth2User.getAttributes());
User user = saveOrUpdate(attributes);
httpSession.setAttribute("user", new SessionUser(user));
return new DefaultOAuth2User(
Collections.singleton(new SimpleGrantedAuthority(user.getRoleKey())),
attributes.getAttributes(),
attributes.getNameAttributeKey());
}
private User saveOrUpdate(OAuthAttributes attributes) {
User user = userRepository.findByEmail(attributes.getEmail())
.map(entity -> entity.update(attributes.getName(), attributes.getPicture()))
.orElse(attributes.toEntity());
return userRepository.save(user);
}
}