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43 changes: 43 additions & 0 deletions
43
api/src/main/java/com/teamnexters/lazy/api/external/kakao/KakaoClient.java
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| package com.teamnexters.lazy.api.external.kakao; | ||
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| import com.teamnexters.lazy.api.domain.oauth.kakao.KakaoProfileDto; | ||
| import com.teamnexters.lazy.api.exception.ExternalApiException; | ||
| import com.teamnexters.lazy.api.exception.TokenValidException; | ||
| import com.teamnexters.lazy.common.domain.member.Member; | ||
| import com.teamnexters.lazy.common.domain.member.Provider; | ||
| import com.teamnexters.lazy.common.domain.member.Role; | ||
| import lombok.RequiredArgsConstructor; | ||
| import org.springframework.http.HttpStatus; | ||
| import org.springframework.stereotype.Component; | ||
| import org.springframework.web.reactive.function.client.WebClient; | ||
| import reactor.core.publisher.Mono; | ||
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| @Component | ||
| @RequiredArgsConstructor | ||
| public class KakaoClient { | ||
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| private final WebClient webClient; | ||
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| // Kakao User 정보 받아오는 URI | ||
| private static final String KAKAO_USER_INFO_URI = "https://kapi.kakao.com/v2/user/me"; | ||
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| public Member getUserInfoByKakaoApi(String accessToken) { | ||
| KakaoProfileDto kakaoUserResponse = webClient.get() | ||
| .uri(KAKAO_USER_INFO_URI) | ||
| .headers(h -> h.setBearerAuth(accessToken)) // Bearer 설정 | ||
| .retrieve() | ||
| .onStatus(HttpStatus::is4xxClientError, response -> Mono.error(new TokenValidException())) | ||
| .onStatus(HttpStatus::is5xxServerError, response -> Mono.error(new ExternalApiException("GET : " + KAKAO_USER_INFO_URI))) | ||
| .bodyToMono(KakaoProfileDto.class) | ||
| .block(); | ||
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| return Member.builder() | ||
| .oauthId(String.valueOf(kakaoUserResponse.getId())) | ||
| .name(kakaoUserResponse.getProperties().getNickname()) | ||
| .email(kakaoUserResponse.getAccount().getEmail()) | ||
| .provider(Provider.KAKAO) | ||
| .role(Role.USER) | ||
| .picture(kakaoUserResponse.getProperties().getProfileImage()) | ||
| .build(); | ||
| } | ||
| } |
83 changes: 83 additions & 0 deletions
83
api/src/main/java/com/teamnexters/lazy/api/service/AuthService.java
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| package com.teamnexters.lazy.api.service; | ||
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| import com.teamnexters.lazy.api.config.auth.jwt.JwtTokenProvider; | ||
| import com.teamnexters.lazy.api.config.auth.jwt.Token; | ||
| import com.teamnexters.lazy.api.external.kakao.KakaoClient; | ||
| import com.teamnexters.lazy.common.domain.member.Member; | ||
| import com.teamnexters.lazy.common.domain.member.MemberRepository; | ||
| import com.teamnexters.lazy.common.domain.member.Provider; | ||
| import com.teamnexters.lazy.common.domain.member.Role; | ||
| import lombok.RequiredArgsConstructor; | ||
| import lombok.extern.slf4j.Slf4j; | ||
| import org.springframework.beans.factory.annotation.Value; | ||
| import org.springframework.context.annotation.PropertySource; | ||
| import org.springframework.stereotype.Service; | ||
| import org.springframework.transaction.annotation.Transactional; | ||
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| @Slf4j | ||
| @Service | ||
| @RequiredArgsConstructor | ||
| @PropertySource("classpath:application-oauth.yml") | ||
| public class AuthService { | ||
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| @Value("${spring.security.oauth2.client.registration.kakao.auth-url}") | ||
| private String kakaoAuthUrl; // Auth URL | ||
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| @Value("${spring.security.oauth2.client.registration.kakao.redirect-uri}") | ||
| private String kakaoRedirectUri; // Redirect URI | ||
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| @Value("${spring.security.oauth2.client.registration.kakao.client-id}") | ||
| private String kakaoRestApiKey; // REST API Key | ||
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| @Value("${spring.security.oauth2.client.registration.kakao.scope}") | ||
| private String kakaoScope; // 추가 동의 항목 | ||
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| private final KakaoClient kakaoClient; | ||
| private final MemberRepository memberRepository; | ||
| private final JwtTokenProvider jwtTokenProvider; | ||
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| /** | ||
| * Kakao landing URL 생성 | ||
| * @return Kakao landing URL | ||
| */ | ||
| public String makeKakaoLandingUrl() { | ||
| StringBuffer url = new StringBuffer(); | ||
| url.append(kakaoAuthUrl) | ||
| .append("/oauth/authorize?") | ||
| .append("client_id=") | ||
| .append(kakaoRestApiKey) | ||
| .append("&redirect_uri=") | ||
| .append(kakaoRedirectUri) | ||
| .append("&scope=") | ||
| .append(kakaoScope) | ||
| .append("&response_type=") | ||
| .append("code"); // code 고정 | ||
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| log.info("Kakao Login Landing URL : {}", url); | ||
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| return url.toString(); | ||
| } | ||
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| /** | ||
| * 카카오 API 통해 회원 정보 가져와서 생성 후 Token 발행 | ||
| * | ||
| * @param kakaoToken Kakao Token | ||
| * @return App Server Token | ||
| */ | ||
| @Transactional | ||
| public Token getTokenAndSaveMemberAfterKakaoUserApi(String kakaoToken) { | ||
| // Kakao External Client API 호출 | ||
| Member kakaoUserInfo = kakaoClient.getUserInfoByKakaoApi(kakaoToken); | ||
| String oauthId = kakaoUserInfo.getOauthId(); | ||
| // Member | ||
| Member member = memberRepository.findByOauthIdAndProvider(oauthId, Provider.KAKAO).orElseGet( | ||
| () -> memberRepository.save(kakaoUserInfo) | ||
| ); | ||
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| // Token 생성 | ||
| Token token = jwtTokenProvider.createToken(member.getEmail(), Role.USER); | ||
| log.info("### Token : [ {} ]", token); | ||
| return token; | ||
| } | ||
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| } |