[JWT 개선] MemberController에서 로그아웃 시 모든 토큰 쿠키 삭제 기능 추가 및 JwtUtils에 Access/Refresh Token 쿠키 설정 및 삭제 메서드 추가. JwtTokenIssuanceFilter와 JwtTokenValidationFilter에서 Access Token을 헤더 대신 쿠키에 저장하도록 변경.

src/main/java/com/bio/bio_backend/domain/base/member/controller/MemberController.java

@@ -22,6 +22,8 @@ import io.swagger.v3.oas.annotations.media.Schema;
 import com.bio.bio_backend.global.constants.ApiResponseCode;
 import com.bio.bio_backend.global.annotation.LogExecution;
 import com.bio.bio_backend.global.utils.SecurityUtils;
+import com.bio.bio_backend.global.utils.JwtUtils;
+import jakarta.servlet.http.HttpServletResponse;
 
 
 @Tag(name = "Member", description = "회원 관련 API")
@@ -33,6 +35,7 @@ public class MemberController {
 
     private final MemberService memberService;
     private final MemberMapper memberMapper;
+    private final JwtUtils jwtUtils;
 
     @LogExecution("회원 등록")
     @Operation(summary = "회원 등록", description = "새로운 회원을 등록합니다.")
@@ -57,10 +60,14 @@ public class MemberController {
         @ApiResponse(responseCode = "401", description = "인증 실패", content = @Content(schema = @Schema(implementation = ApiResponseDto.class)))
     })
     @PostMapping("/logout")
-    public ResponseEntity<ApiResponseDto<Void>> logout() {
+    public ResponseEntity<ApiResponseDto<Void>> logout(HttpServletResponse response) {
         try {
             String userId = SecurityUtils.getCurrentUserId();
             memberService.deleteRefreshToken(userId);
+            
+            // 모든 토큰 쿠키 삭제
+            jwtUtils.deleteAllTokenCookies(response);
+            
             log.info("사용자 로그아웃 완료: {}", userId);
             
             return ResponseEntity.ok(ApiResponseDto.success(ApiResponseCode.COMMON_SUCCESS));

src/main/java/com/bio/bio_backend/global/config/CorsConfig.java

@@ -16,8 +16,6 @@ public class CorsConfig {
         config.addAllowedHeader("*");
         config.addAllowedMethod("*");
         config.setAllowCredentials(true);
-
-        config.addExposedHeader("Authorization");
         source.registerCorsConfiguration("/**", config);
 
         return new CorsFilter(source);

src/main/java/com/bio/bio_backend/global/filter/JwtTokenIssuanceFilter.java

@@ -77,8 +77,8 @@ public class JwtTokenIssuanceFilter extends UsernamePasswordAuthenticationFilter
         // Refresh 토큰 쿠키 저장
         jwtUtils.setRefreshTokenCookie(response, refreshToken);
 
-        // Access 토큰 전달
+        // Access 토큰 쿠키 저장
-        response.setHeader("Authorization", "Bearer " + accessToken);
+        jwtUtils.setAccessTokenCookie(response, accessToken);
 
         SecurityContextHolderStrategy contextHolder = SecurityContextHolder.getContextHolderStrategy();
         SecurityContext context = contextHolder.createEmptyContext();

src/main/java/com/bio/bio_backend/global/filter/JwtTokenValidationFilter.java

@@ -92,8 +92,8 @@ public class JwtTokenValidationFilter extends OncePerRequestFilter {
                 // 새로운 Access Token 생성
                 String newAccessToken = jwtUtils.generateToken(username, Long.parseLong(Objects.requireNonNull(env.getProperty("token.expiration_time_access"))));
 
-                // 새로운 Access Token을 응답 헤더에 설정
+                // 새로운 Access Token을 쿠키에 설정
-                response.setHeader("Authorization", "Bearer " + newAccessToken);
+                jwtUtils.setAccessTokenCookie(response, newAccessToken);
 
                 // Refresh Token 갱신
                 String newRefreshToken = jwtUtils.createRefreshToken(username, httpUtils.getClientIp());

src/main/java/com/bio/bio_backend/global/utils/JwtUtils.java

@@ -13,7 +13,6 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.core.env.Environment;
 import org.springframework.stereotype.Component;
-import org.springframework.util.StringUtils;
 
 import javax.crypto.SecretKey;
 import java.util.Date;
@@ -49,7 +48,7 @@ public class JwtUtils {
     public String generateToken(String username, String clientIp, long expirationTime) {
        return Jwts.builder()
                .subject(username)
-               .claim("ip", clientIp)  // IP 정보 추가
+               .claim("ip", clientIp)
                .issuedAt(new Date(System.currentTimeMillis()))
                .expiration(new Date(System.currentTimeMillis() + expirationTime))
                .signWith(getSigningKey())
@@ -123,8 +122,6 @@ public class JwtUtils {
     public String extractUsername(String token) {
         return extractAllClaims(token).getSubject();
     }
-    
-
 
     public Claims extractAllClaims(String token) {
         return Jwts.parser()
@@ -133,14 +130,19 @@ public class JwtUtils {
                 .parseSignedClaims(token).getPayload();
     }
 
+    // Access Token을 쿠키에서 추출
     public String extractAccessJwtFromRequest(HttpServletRequest request) {
-        String bearerToken = request.getHeader("Authorization");
+        if (request.getCookies() != null) {
-        if (StringUtils.hasText(bearerToken) && bearerToken.startsWith("Bearer ")) {
+            for (Cookie cookie : request.getCookies()) {
-            return bearerToken.substring(7);    // "Bearer " 제거
+                if ("AccessToken".equals(cookie.getName())) {
+                    return cookie.getValue();
+                }
+            }
         }
-        return bearerToken;
+        return null;
     }
 
+    // Refresh Token을 쿠키에서 추출
     public String extractRefreshJwtFromCookie(HttpServletRequest request) {
         if (request.getCookies() != null) {
             for (Cookie cookie : request.getCookies()) {
@@ -154,12 +156,39 @@ public class JwtUtils {
     
     // Refresh Token 쿠키 설정
     public void setRefreshTokenCookie(HttpServletResponse response, String refreshToken) {
-        Cookie refreshTokenCookie = new Cookie("RefreshToken", refreshToken);
+        setCookie(response, "RefreshToken", refreshToken, 
-        refreshTokenCookie.setHttpOnly(true);
+                Integer.parseInt(env.getProperty("token.expiration_time_refresh")) / 1000);
-        refreshTokenCookie.setSecure(false);
+    }
-        refreshTokenCookie.setPath("/");
+
-        refreshTokenCookie.setMaxAge(Integer.parseInt(env.getProperty("token.expiration_time_refresh")));
+    // Access Token 쿠키 설정
-        
+    public void setAccessTokenCookie(HttpServletResponse response, String accessToken) {
-        response.addCookie(refreshTokenCookie);
+        setCookie(response, "AccessToken", accessToken, 
+                Integer.parseInt(env.getProperty("token.expiration_time_access")) / 1000);
+    }
+
+    // Access Token 쿠키 삭제
+    public void deleteAccessTokenCookie(HttpServletResponse response) {
+        setCookie(response, "AccessToken", "", 0);
+    }
+
+    // Refresh Token 쿠키 삭제
+    public void deleteRefreshTokenCookie(HttpServletResponse response) {
+        setCookie(response, "RefreshToken", "", 0);
+    }
+
+    // 모든 토큰 쿠키 삭제
+    public void deleteAllTokenCookies(HttpServletResponse response) {
+        deleteAccessTokenCookie(response);
+        deleteRefreshTokenCookie(response);
+    }
+
+    // 쿠키 설정 헬퍼 메서드
+    private void setCookie(HttpServletResponse response, String name, String value, int maxAge) {
+        Cookie cookie = new Cookie(name, value);
+        cookie.setHttpOnly(true);
+        cookie.setSecure(false);
+        cookie.setPath("/");
+        cookie.setMaxAge(maxAge);
+        response.addCookie(cookie);
     }
 }