[Feature] 카카오 로그인 Redirect URI 동적 할당

src/main/java/project/backend/business/auth/AuthService.java

@@ -9,6 +9,7 @@
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import project.backend.business.auth.implement.KakaoLoginManager;
+import project.backend.business.auth.request.KakaoLoginServiceRequest;
 import project.backend.business.user.implement.UserManager;
 import project.backend.business.user.implement.UserReader;
 import project.backend.entity.token.BlacklistToken;
@@ -35,8 +36,8 @@ public class AuthService {
   private final BlacklistTokenRedisRepository blacklistTokenRedisRepository;
 
   @Transactional
-  public TokenServiceResponse kakaoLogin(String code) throws JsonProcessingException {
-    String token = kakaoLoginManager.getKakaoToken(code);
+  public TokenServiceResponse kakaoLogin(KakaoLoginServiceRequest serviceRequest) throws JsonProcessingException {
+    String token = kakaoLoginManager.getKakaoToken(serviceRequest.getCode(), serviceRequest.getRedirectUri());
     User user = kakaoLoginManager.getKakaoUser(token);
 
     TokenServiceResponse tokenServiceResponse = tokenProvider.createToken(

src/main/java/project/backend/business/auth/implement/KakaoLoginManager.java

@@ -40,10 +40,7 @@ public class KakaoLoginManager {
   @Value("${spring.security.oauth2.client.registration.kakao.client-secret}")
   private String kakaoClientSecret;
 
-  @Value("${spring.security.oauth2.client.registration.kakao.redirect-uri}")
-  private String redirectUri;
-
-  public String getKakaoToken(String code) throws JsonProcessingException {
+  public String getKakaoToken(String code, String redirectUri) throws JsonProcessingException {
     HttpHeaders headers = new HttpHeaders();
     headers.add("Content-type", "application/x-www-form-urlencoded;charset=utf-8");
 

src/main/java/project/backend/business/auth/request/KakaoLoginServiceRequest.java

@@ -0,0 +1,13 @@
+package project.backend.business.auth.request;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
+@Builder
+@AllArgsConstructor
+public class KakaoLoginServiceRequest {
+  private final String code;
+  private final String redirectUri;
+}

src/main/java/project/backend/presentation/auth/AuthController.java

@@ -13,9 +13,11 @@
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 import project.backend.business.auth.AuthService;
+import project.backend.business.auth.request.KakaoLoginServiceRequest;
 import project.backend.business.auth.request.TokenServiceRequest;
 import project.backend.business.auth.response.TokenServiceResponse;
 import project.backend.presentation.auth.docs.AuthControllerDocs;
+import project.backend.presentation.auth.util.KakaoLoginRequestConverter;
 import project.backend.presentation.auth.util.TokenCookieManager;
 import project.backend.presentation.auth.util.TokenExtractor;
 import project.backend.security.aop.AssignCurrentUserInfo;
@@ -29,12 +31,15 @@ public class AuthController implements AuthControllerDocs {
   private final AuthService authService;
   private final TokenExtractor tokenExtractor;
   private final TokenCookieManager tokenCookieManager;
+  private final KakaoLoginRequestConverter kakaoLoginRequestConverter;
 
   @PostMapping("/login/kakao")
   public ResponseEntity<TokenServiceResponse> loginKakao(
       @RequestParam(name = "code") String code,
+      HttpServletRequest request,
       HttpServletResponse response) throws JsonProcessingException {
-    TokenServiceResponse tokenServiceResponse = authService.kakaoLogin(code);
+    KakaoLoginServiceRequest kakaoLoginServiceRequest = kakaoLoginRequestConverter.convertKakaoLoginRequest(request, code);
+    TokenServiceResponse tokenServiceResponse = authService.kakaoLogin(kakaoLoginServiceRequest);
 
     tokenCookieManager.addRefreshTokenCookie(response, tokenServiceResponse.getRefreshToken());
 

src/main/java/project/backend/presentation/auth/docs/AuthControllerDocs.java

@@ -12,7 +12,7 @@
 public interface AuthControllerDocs {
 
   @Operation(summary = "카카오 로그인 API", description = "카카오 계정을 이용하여 로그인.")
-  ResponseEntity<TokenServiceResponse> loginKakao(String code, HttpServletResponse response)
+  ResponseEntity<TokenServiceResponse> loginKakao(String code, HttpServletRequest request, HttpServletResponse response)
       throws JsonProcessingException;
 
   @Operation(summary = "토큰 갱신 API", description = "set-cookie에 있는 refresh token을 사용하여 Access "

src/main/java/project/backend/presentation/auth/util/KakaoLoginRequestConverter.java

@@ -0,0 +1,24 @@
+package project.backend.presentation.auth.util;
+
+import jakarta.servlet.http.HttpServletRequest;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+import project.backend.business.auth.request.KakaoLoginServiceRequest;
+
+@Component
+public class KakaoLoginRequestConverter {
+
+  @Value("http://localhost:3000/oauth/kakao/callback")
+  private String localRedirectUri;
+
+  @Value("${spring.security.oauth2.client.registration.kakao.redirect-uri}")
+  private String productionRedirectUri;
+
+  public KakaoLoginServiceRequest convertKakaoLoginRequest(HttpServletRequest request, String code) {
+    String redirectUri = request.getServerName().equals("localhost") ? localRedirectUri : productionRedirectUri;
+    return KakaoLoginServiceRequest.builder()
+                                   .code(code)
+                                   .redirectUri(redirectUri)
+                                   .build();
+  }
+}