feat: 소셜 탈퇴 기능 추가 (#91)

Author: jaegyun1011

backend/src/main/java/com/back/domain/member/entity/Member.java

@@ -6,7 +6,6 @@
 import com.back.global.jpa.entity.BaseEntity;
 import jakarta.persistence.*;
 import lombok.*;
-import org.hibernate.annotations.SoftDelete;
 import org.springframework.security.core.GrantedAuthority;
 import org.springframework.security.core.authority.SimpleGrantedAuthority;
 
@@ -19,7 +18,6 @@
 @NoArgsConstructor
 @AllArgsConstructor
 @Builder(toBuilder=true)
-@SoftDelete
 public class Member extends BaseEntity {
     // *** 회원 정보 ***
     @Column(unique = true)

backend/src/main/java/com/back/domain/member/service/AuthService.java

@@ -1,11 +1,16 @@
 package com.back.domain.member.service;
 
 import com.back.domain.member.entity.Member;
+import com.back.global.exception.CustomException;
+import com.back.global.exception.ErrorCode;
 import com.back.standard.util.Ut;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 
+import java.net.URI;
 import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
 import java.util.Map;
 
 @Service
@@ -16,22 +21,49 @@ public class AuthService {
     @Value("${custom.accessToken.expirationSeconds}")
     private int accessTokenExpirationSeconds;
 
+    private final String kakaoURL = "https://kapi.kakao.com/v1/user/unlink";
+    private final String googleURL = "https://oauth2.googleapis.com/revoke";
+    private final String naverURL = "https://nid.naver.com/oauth2.0/token";
+
+    @Value("${SPRING__SECURITY__OAUTH2__CLIENT__REGISTRATION__NAVER__CLIENT_ID}")
+    private String naverClientId;
+    @Value("${SPRING__SECURITY__OAUTH2__CLIENT__REGISTRATION__NAVER__CLIENT_SECRET}")
+    private String naverClientSecret;
+
     public void delete_social(String provider, String accessToken) {
         HttpClient client= HttpClient.newHttpClient();
         try {
+            HttpRequest request = null;
             switch (provider) {
                 case "KAKAO" -> {
-
+                    request = HttpRequest.newBuilder()
+                            .uri(URI.create(kakaoURL))
+                            .header("Authorization", "Bearer " + accessToken)
+                            .POST(HttpRequest.BodyPublishers.noBody())
+                            .build();
                 }
                 case "GOOGLE" -> {
-
+                    request = HttpRequest.newBuilder()
+                            .uri(URI.create(googleURL + "?token=" + accessToken))
+                            .POST(HttpRequest.BodyPublishers.noBody())
+                            .build();
                 }
                 case "NAVER" -> {
-
+                    request = HttpRequest.newBuilder()
+                            .uri(URI.create(naverURL +
+                                            "?grant_type=delete" +
+                                            "&access_token=" + accessToken +
+                                            "&client_id=" + naverClientId +
+                                            "&client_secret=" + naverClientSecret
+                            ))
+                            .POST(HttpRequest.BodyPublishers.noBody())
+                            .build();
                 }
             }
+            HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
+            System.out.printf("[회원 탈퇴] Code: %s / Body: %s\n", response.statusCode(), response.body());
         } catch (Exception e) {
-
+            throw new CustomException(ErrorCode.INTERNAL_SERVER_ERROR, "[Member] Fail: 소셜 탈퇴");
         }
     }