[MERGE] Merge pull request #222 from Team-WSS/feat/#58

[FEAT] 카카오 회원 탈퇴 기능 구현
Team-WSS · Nov 11, 2024 · 1a5bd3e · 1a5bd3e
2 parents 48b9d1f + 35f29c1
commit 1a5bd3e
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Showing 3 changed files with 53 additions and 3 deletions.
diff --git a/src/main/java/org/websoso/WSSServer/controller/AuthController.java b/src/main/java/org/websoso/WSSServer/controller/AuthController.java
@@ -17,6 +17,7 @@
 import org.websoso.WSSServer.dto.auth.LogoutRequest;
 import org.websoso.WSSServer.dto.auth.ReissueRequest;
 import org.websoso.WSSServer.dto.auth.ReissueResponse;
+import org.websoso.WSSServer.dto.user.WithdrawalRequest;
 import org.websoso.WSSServer.oauth2.service.AppleService;
 import org.websoso.WSSServer.oauth2.service.KakaoService;
 import org.websoso.WSSServer.service.AuthService;
@@ -63,4 +64,15 @@ public ResponseEntity<Void> logout(Principal principal,
                 .status(NO_CONTENT)
                 .build();
     }
+
+    @PostMapping("/auth/withdraw")
+    public ResponseEntity<Void> withdrawUser(Principal principal,
+                                             @Valid @RequestBody WithdrawalRequest withdrawalRequest) {
+        User user = userService.getUserOrException(Long.valueOf(principal.getName()));
+        String refreshToken = withdrawalRequest.refreshToken();
+        kakaoService.unlinkFromKakao(user, refreshToken);
+        return ResponseEntity
+                .status(NO_CONTENT)
+                .build();
+    }
 }
diff --git a/src/main/java/org/websoso/WSSServer/dto/user/WithdrawalRequest.java b/src/main/java/org/websoso/WSSServer/dto/user/WithdrawalRequest.java
@@ -0,0 +1,13 @@
+package org.websoso.WSSServer.dto.user;
+
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.Size;
+
+public record WithdrawalRequest(
+        @Size(max = 80, message = "탈퇴 사유는 80자를 초과할 수 없습니다.")
+        String reason,
+
+        @NotBlank
+        String refreshToken
+) {
+}
diff --git a/src/main/java/org/websoso/WSSServer/oauth2/service/KakaoService.java b/src/main/java/org/websoso/WSSServer/oauth2/service/KakaoService.java
@@ -40,6 +40,9 @@ public class KakaoService {
     @Value("${kakao.admin-key}")
     private String kakaoAdminKey;
 
+    @Value("${kakao.unlink-url}")
+    private String kakaoUnlinkUrl;
+
     public AuthResponse getUserInfoFromKakao(String kakaoAccessToken) {
         RestClient restClient = RestClient.create();
 
@@ -92,10 +95,32 @@ public void kakaoLogout(User user) {
                 .header(HttpHeaders.AUTHORIZATION, "KakaoAK " + kakaoAdminKey)
                 .body(logoutInfoBodies)
                 .retrieve()
-                .onStatus(HttpStatusCode::is4xxClientError, (request, response) -> {
-                    throw new CustomKakaoException(INVALID_KAKAO_ACCESS_TOKEN,
-                            "Invalid access token for Kakao logout");
+                .onStatus(HttpStatusCode::is5xxServerError, (request, response) -> {
+                    throw new CustomKakaoException(KAKAO_SERVER_ERROR,
+                            "Kakao server error during logout");
                 })
+                .toBodilessEntity();
+    }
+
+    public void unlinkFromKakao(User user, String refreshToken) {
+        refreshTokenRepository.findByRefreshToken(refreshToken).ifPresent(refreshTokenRepository::delete);
+
+        String socialId = user.getSocialId();
+        String kakaoUserInfoId = socialId.replaceFirst("kakao_", "");
+
+        userRepository.delete(user);
+
+        MultiValueMap<String, String> withdrawInfoBodies = new LinkedMultiValueMap<>();
+        withdrawInfoBodies.add("target_id_type", "user_id");
+        withdrawInfoBodies.add("target_id", kakaoUserInfoId);
+
+        RestClient.create()
+                .post()
+                .uri(kakaoUnlinkUrl)
+                .header(HttpHeaders.CONTENT_TYPE, "application/x-www-form-urlencoded")
+                .header(HttpHeaders.AUTHORIZATION, "KakaoAK " + kakaoAdminKey)
+                .body(withdrawInfoBodies)
+                .retrieve()
                 .onStatus(HttpStatusCode::is5xxServerError, (request, response) -> {
                     throw new CustomKakaoException(KAKAO_SERVER_ERROR,
                             "Kakao server error during logout");