🐛fix: 리프레시 재발급 예외 처리 수정 (#120)

Author: Be-HinD

src/main/java/team/wego/wegobackend/auth/exception/NotFoundRefreshTokenException.java

@@ -0,0 +1,12 @@
+package team.wego.wegobackend.auth.exception;
+
+import team.wego.wegobackend.common.exception.AppErrorCode;
+import team.wego.wegobackend.common.exception.AppException;
+
+public class NotFoundRefreshTokenException extends AppException {
+
+    public NotFoundRefreshTokenException() {
+        super(AppErrorCode.NOT_FOUND_TOKEN);
+    }
+
+}

src/main/java/team/wego/wegobackend/auth/presentation/AuthController.java

@@ -23,6 +23,7 @@
 import team.wego.wegobackend.common.response.ApiResponse;
 import team.wego.wegobackend.common.security.CustomUserDetails;
 import team.wego.wegobackend.common.security.jwt.JwtTokenProvider;
+import team.wego.wegobackend.auth.exception.NotFoundRefreshTokenException;
 
 @Slf4j
 @RestController
@@ -109,7 +110,7 @@ public ResponseEntity<ApiResponse<String>> withDraw(
     public ResponseEntity<ApiResponse<RefreshResponse>> refresh(
         @CookieValue(name = "refreshToken", required = false) String refreshToken) {
         if (refreshToken == null) {
-            throw new IllegalArgumentException("Refresh 토큰이 없습니다.");
+            throw new NotFoundRefreshTokenException();
         }
 
         RefreshResponse response = authService.refresh(refreshToken);

src/main/java/team/wego/wegobackend/common/exception/AppErrorCode.java

@@ -34,7 +34,8 @@ public enum AppErrorCode implements ErrorCode {
     NOT_FOUND_FOLLOW(HttpStatus.BAD_REQUEST, "회원 : 팔로우 관계를 찾을 수 없습니다."),
 
     EXPIRED_TOKEN(HttpStatus.UNAUTHORIZED, "인증 : 만료된 토큰입니다."),
-    INVALID_TOKEN(HttpStatus.UNAUTHORIZED, "인증 : 유효하지 않은 토큰입니다.")
+    INVALID_TOKEN(HttpStatus.UNAUTHORIZED, "인증 : 유효하지 않은 토큰입니다."),
+    NOT_FOUND_TOKEN(HttpStatus.UNAUTHORIZED, "인증 : 토큰을 찾을 수 없습니다.")
     ;
 
     private final HttpStatus httpStatus;