6-3 OAuth2.0 - OAuthAttribute

0. 프로젝트 소개(Spring Security) 및 Security에 대하여

 

1. User Entity 생성(Spring Security)

 

2. User 회원가입 (Spring Secureity)

 

3.Jwt의 사용 이유 (Spring Security)

 

4. Authorization(인증)

• 4-0 Authorization(인증) - 프로세스 설명
• 4-1 Authentication(인증) - UserDetails, UserDetailsService 및 JwtService 생성
• 4-2 Authentication(인증) - UsernamePasswordAuthenticationfilter 생성
• 4-3 Authentication(인증) - CorsFilter(선택사항)
• 4-4 Authentication(인증) - SecurityConfig

5. Authorization(인가)

• 5-1 Authorization(인가) - Jwt 인가 관련 에러 처리
• 5-2 Authorization(인가) - Jwt 인가 서비스 로직 추가
• 5-3 Authorization(인가) - AuthorizationFilter 생성
• 5-4 Authorization(인가) - SecurityConfig에 인가 관련 method 추가

6. OAuth

• 6-0 OAuth에 대해서
• 6-1 OAuth 2.0 - 사전 설정
• 6-2 OAuth2.0 - DTO 설정
• 6-3 OAuth2.0 - OAuth2UserService
• 6-4 OAuth2.0 - OAuth2UserService
• 6-5 OAuth2.0 - 필터 생성 및 SecurityConfig 수정

OAuthAttributes

@Getter
@NoArgsConstructor
@AllArgsConstructor
@Builder
public class OAuthAttributes {

    private String nameAttributeKey;        
    private OAuth2UserDto oAuth2UserDto;  

    public OAuthAttributes of(SocialType socialType, String nameAttributeKey, Map<String, Object> attributes) {

        if (socialType == SocialType.KAKAO) {
            return ofKakao(nameAttributeKey, attributes);
        } else if (socialType == SocialType.GOOGLE) {
            return ofGoogle(nameAttributeKey, attributes);
        }
        return null;
    }

    private OAuthAttributes ofKakao(String userNameAttributeName, Map<String, Object> attributes) {
        return OAuthAttributes.builder()
                .nameAttributeKey(userNameAttributeName)
                .oAuth2UserInfo(new KakaoOAuth2UserDto(attributes))
                .build();
    }

    private OAuthAttributes ofGoogle(String userNameAttributeName, Map<String, Object> attributes) {
        return OAuthAttributes.builder()
                .nameAttributeKey(userNameAttributeName)
                .oAuth2UserInfo(new GoogleOAuth2UserDto(attributes))
                .build();
    }

    public User toEntity(SocialType socialType, OAuth2UserDto oAuth2UserDto) {
        return User.builder()
                .socialType(socialType)
                .socialId(oAuth2UserDto.getId())
                .email(UUID.randomUUID() + "@socialUser.com")
                .nickname(oAuth2UserDto.getNickname())
                .profileUrl(oAuth2UserDto.getProfileUrl())
                .userRole("ROLE_USER")
                .build();
    }
}

• nameAttributeKey - OAuth2 로그인 진행 시 키값
• oAuth2User - 유저의 정보(닉네임, email, 프로필 사진 등)

ResourceServer 구분

    public OAuthAttributes of(SocialType socialType, String nameAttributeKey, Map<String, Object> attributes) {

        if (socialType == SocialType.KAKAO) {
            return ofKakao(nameAttributeKey, attributes);
        } else if (socialType == SocialType.GOOGLE) {
            return ofGoogle(nameAttributeKey, attributes);
        }
        return null;
    }

    private OAuthAttributes ofKakao(String userNameAttributeName, Map<String, Object> attributes) {
        return OAuthAttributes.builder()
                .nameAttributeKey(userNameAttributeName)
                .oAuth2UserInfo(new KakaoOAuth2UserDto(attributes))
                .build();
    }

    private OAuthAttributes ofGoogle(String userNameAttributeName, Map<String, Object> attributes) {
        return OAuthAttributes.builder()
                .nameAttributeKey(userNameAttributeName)
                .oAuth2UserInfo(new GoogleOAuth2UserDto(attributes))
                .build();
    }

• SocialType을 비고하여 Resource Server를 구분하여 각자에 맞는 Dto를 만들어주기 위한 method이다