Fix[member]:쿠키 유효시간 수정 및 쿠키 생성 도메인 수정

backend/.env.default

@@ -77,3 +77,5 @@ CUSTOM_CORS_ALLOWED_ORIGINS=NEED_TO_SET
 CUSTOM_OAUTH2_REDIRECT_URL=NEED_TO_SET
 CUSTOM_OAUTH2_FAILURE_URL=NEED_TO_SET
 CUSTOM_FRONTEND_URL=NEED_TO_SET
+PROD_COOKIE_DOMAIN=NEED_TO_SET
+DEV_COOKIE_DOMAIN=NEED_TO_SET

backend/src/main/java/com/ai/lawyer/global/jwt/CookieUtil.java

@@ -3,11 +3,14 @@
 import jakarta.servlet.http.Cookie;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.http.ResponseCookie;
 import org.springframework.stereotype.Component;
 
 import java.time.Duration;
 
+@Slf4j
 @Component
 public class CookieUtil {
 
@@ -18,7 +21,7 @@ public class CookieUtil {
     // 쿠키 만료 시간 상수 (초 단위)
     private static final int MINUTES_PER_HOUR = 60;
     private static final int HOURS_PER_DAY = 24;
-    private static final int ACCESS_TOKEN_EXPIRE_TIME = 5 * 60; // 5분 (300초)
+    private static final int ACCESS_TOKEN_EXPIRE_TIME = 60 * 60; // 5분 (300초)
     private static final int REFRESH_TOKEN_EXPIRE_TIME = 7 * HOURS_PER_DAY * MINUTES_PER_HOUR * 60; // 7일
 
     // 쿠키 보안 설정 상수
@@ -28,6 +31,9 @@ public class CookieUtil {
     private static final String SAME_SITE = "Lax"; // Lax: 같은 사이트 요청에서 쿠키 전송 허용
     private static final int COOKIE_EXPIRE_IMMEDIATELY = 0;
 
+    @Value("${custom.cookie.domain:}")
+    private String cookieDomain;
+
     public void setTokenCookies(HttpServletResponse response, String accessToken, String refreshToken) {
         setAccessTokenCookie(response, accessToken);
         setRefreshTokenCookie(response, refreshToken);
@@ -52,13 +58,27 @@ public void clearTokenCookies(HttpServletResponse response) {
      * ResponseCookie를 생성합니다 (SameSite 지원).
      */
     private ResponseCookie createResponseCookie(String name, String value, int maxAge) {
-        return ResponseCookie.from(name, value)
+        log.debug("=== 쿠키 생성 중: name={}, cookieDomain='{}', isEmpty={}",
+                name, cookieDomain, cookieDomain == null || cookieDomain.isEmpty());
+
+        ResponseCookie.ResponseCookieBuilder builder = ResponseCookie.from(name, value)
                 .httpOnly(HTTP_ONLY)
                 .secure(SECURE_IN_PRODUCTION)
                 .path(COOKIE_PATH)
                 .maxAge(Duration.ofSeconds(maxAge))
-                .sameSite(SAME_SITE)
-                .build();
+                .sameSite(SAME_SITE);
+
+        // 도메인이 설정되어 있으면 추가
+        if (cookieDomain != null && !cookieDomain.isEmpty()) {
+            log.debug("쿠키 도메인 설정: {}", cookieDomain);
+            builder.domain(cookieDomain);
+        } else {
+            log.debug("쿠키 도메인 설정 안 함 (빈 값 또는 null)");
+        }
+
+        ResponseCookie cookie = builder.build();
+        log.debug("생성된 쿠키: {}", cookie);
+        return cookie;
     }
 
     /**

backend/src/main/resources/application-dev.yml

@@ -70,3 +70,5 @@ custom:
     failure-url: ${DEV_OAUTH2_FAILURE_REDIRECT_URL}
   frontend:
     url: ${DEV_FRONTEND_URL}
+  cookie:
+    domain: ${DEV_COOKIE_DOMAIN}

backend/src/main/resources/application-prod.yml

@@ -63,6 +63,8 @@ custom:
     failure-url: ${PROD_OAUTH2_FAILURE_REDIRECT_URL}
   frontend:
     url: ${PROD_FRONTEND_URL}
+  cookie:
+    domain: ${PROD_COOKIE_DOMAIN:.trybalaw.com} # 운영환경: 모든 서브도메인에서 쿠키 공유
 
 sentry:
   dsn: ${PROD_SENTRY_DSN}

backend/src/main/resources/application.yml

@@ -155,3 +155,5 @@ custom:
     failure-url: ${CUSTOM_OAUTH2_FAILURE_URL}
   frontend:
     url: ${CUSTOM_FRONTEND_URL}
+  cookie:
+    domain:

backend/src/test/java/com/ai/lawyer/global/jwt/CookieUtilTest.java

@@ -70,7 +70,7 @@ void setTokenCookies_Success() {
         assertThat(accessCookieHeader).contains(ACCESS_TOKEN_NAME + "=" + ACCESS_TOKEN);
         assertThat(accessCookieHeader).contains("HttpOnly");
         assertThat(accessCookieHeader).contains("Path=/");
-        assertThat(accessCookieHeader).contains("Max-Age=300"); // 5분 = 300초
+        assertThat(accessCookieHeader).contains("Max-Age=3600"); // 1시간 = 3600초
         assertThat(accessCookieHeader).contains("SameSite=Lax");
         log.info("액세스 토큰 쿠키 검증 완료: {}", accessCookieHeader);
 
@@ -102,7 +102,7 @@ void setAccessTokenCookie_Success() {
         String cookieHeader = headerCaptor.getValue();
         assertThat(cookieHeader).contains(ACCESS_TOKEN_NAME + "=" + ACCESS_TOKEN);
         assertThat(cookieHeader).contains("HttpOnly");
-        assertThat(cookieHeader).contains("Max-Age=300");
+        assertThat(cookieHeader).contains("Max-Age=3600");
         assertThat(cookieHeader).contains("SameSite=Lax");
         log.info("=== 액세스 토큰 단독 쿠키 설정 테스트 완료 ===");
     }
@@ -304,11 +304,11 @@ void cookiePathAttribute_Accessibility() {
     }
 
     @Test
-    @DisplayName("토큰 만료 시간 확인 - 액세스 5분, 리프레시 7일")
+    @DisplayName("토큰 만료 시간 확인 - 액세스 1시간, 리프레시 7일")
     void cookieMaxAgeAttribute_ExpiryTime() {
         // given
         log.info("=== 토큰 만료 시간 테스트 시작 ===");
-        log.info("액세스 토큰 만료: 5분 (300초)");
+        log.info("액세스 토큰 만료: 1시간 (3600초)");
         log.info("리프레시 토큰 만료: 7일 (604800초)");
 
         // when
@@ -321,8 +321,8 @@ void cookieMaxAgeAttribute_ExpiryTime() {
         var setCookieHeaders = headerCaptor.getAllValues();
 
         String accessHeader = setCookieHeaders.getFirst();
-        assertThat(accessHeader).contains("Max-Age=300");
-        log.info("액세스 토큰 만료 시간: 300초 (5분)");
+        assertThat(accessHeader).contains("Max-Age=3600");
+        log.info("액세스 토큰 만료 시간: 3600초 (1시간)");
 
         String refreshHeader = setCookieHeaders.get(1);
         assertThat(refreshHeader).contains("Max-Age=604800");