스프링 OAuth2 클라이언트 세션 8 : OAuth2UserService 응답 받기

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OAuth2UserService

• CustomOAuth2UserService

@Service
public class CustomOAuth2UserService extends DefaultOAuth2UserService {
    //DefaultOAuth2UserService OAuth2UserService의 구현체

    @Override
    public OAuth2User loadUser(OAuth2UserRequest userRequest) throws OAuth2AuthenticationException {

        OAuth2User oAuth2User = super.loadUser(userRequest);
        System.out.println(oAuth2User.getAttributes());

        String registrationId = userRequest.getClientRegistration().getRegistrationId();
        OAuth2Response oAuth2Response = null;
        if (registrationId.equals("naver")) {

            oAuth2Response = new NaverResponse(oAuth2User.getAttributes());
        }
        else if (registrationId.equals("google")) {

            oAuth2Response = new GoogleReponse(oAuth2User.getAttributes());
        }
        else {

            return null;
        }


				//추후 작성
    }
}

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OAuth2Response

• 네이버 데이터 : JSON

{
		resultcode=00, message=success, response={id=999999999, name=망구}
}

 

• 구글 데이터 : JSON

{
		resultcode=00, message=success, id=999999, name=망구
}

 

• DTO > 인터페이스 OAuth2Response

public interface OAuth2Response {

    //제공자 (Ex. naver, google, ...)
    String getProvider();

    //제공자에서 발급해주는 아이디(번호)
    String getProviderId();

    //이메일
    String getEmail();

    //사용자 실명 (설정한 이름)
    String getName();
}

 

• dto > NaverResponse

public class NaverResponse implements OAuth2Response {

    private final Map<String, Object> attributes;

    public NaverResponse(Map<String, Object> attributes) {
        this.attributes = (Map<String, Object>) attributes.get("resonse");
    }

    @Override
    public String getProvider() {
        return "naver";
    }

    @Override
    public String getProviderId() {
        return attributes.get("id").toString();
    }

    @Override
    public String getEmail() {
        return attributes.get("email").toString();
    }

    @Override
    public String getName() {
        return attributes.get("name").toString();
    }
}

 

• dto > GoogleResponse

public class GoogleResponse implements OAuth2Response {

    private final Map<String, Object> attributes;

    public GoogleResponse(Map<String, Object> attributes) {
        this.attributes = attributes;
    }

    @Override
    public String getProvider() {
        return "google";
    }

    @Override
    public String getProviderId() {
        return attributes.get("sub").toString();
    }

    @Override
    public String getEmail() {
        return attributes.get("email").toString();
    }

    @Override
    public String getName() {
        return attributes.get("name").toString();
    }
}

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OAuth2UserService 등록 : SecurityConfig

• SecurityConfig

@Configuration
@EnableWebSecurity
public class SecurityConfig {

    private final CustomOAuth2UserService customOAuth2UserService;

    public SecurityConfig(CustomOAuth2UserService customOAuth2UserService) {
        this.customOAuth2UserService = customOAuth2UserService;
    }

    @Bean
    public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {

        http
                .csrf((csrf) -> csrf.disable());
        http
                .formLogin((login) -> login.disable());
        http
                .httpBasic((basic) -> basic.disable());
        http
                .oauth2Login((oauth2) -> oauth2
                        .userInfoEndpoint((userInfoEndpointConfig -> userInfoEndpointConfig
                                .userService(customOAuth2UserService))));
        http
                .authorizeHttpRequests((auth) -> auth
                        .requestMatchers("/", "/oauth2/**", "/login/**").permitAll()
                        .anyRequest().authenticated());

        return http.build();
    }
}

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출처

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