[FIX] CORS 문제 해결

backend/scripts/dev/replace-new-version.sh

@@ -19,4 +19,4 @@ fi
 
 JAR_FILE=$(ls /home/ubuntu/app/*.jar | head -n 1)
 
-nohup java -Dspring.profiles.active=dev -Duser.timezone=Asia/Seoul -Dserver.port=8080 -jar "$JAR_FILE" &
+sudo nohup java -Dspring.profiles.active=dev -Duser.timezone=Asia/Seoul -Dserver.port=8080 -jar "$JAR_FILE" &

backend/src/main/java/ddangkong/config/CorsConfig.java

@@ -20,7 +20,11 @@ public void addCorsMappings(CorsRegistry registry) {
         registry.addMapping("/**")
                 .allowedOriginPatterns(corsOrigin)
                 .allowedMethods(
-                        HttpMethod.GET.name(), HttpMethod.POST.name(), HttpMethod.PATCH.name(), HttpMethod.DELETE.name()
+                        HttpMethod.GET.name(),
+                        HttpMethod.POST.name(),
+                        HttpMethod.PATCH.name(),
+                        HttpMethod.DELETE.name(),
+                        HttpMethod.OPTIONS.name()
                 )
                 .allowCredentials(true)
                 .allowedHeaders("*");

backend/src/main/java/ddangkong/controller/admin/AdminAuthorizationInterceptor.java

@@ -4,7 +4,9 @@
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
 import jakarta.servlet.http.HttpSession;
+import org.jetbrains.annotations.NotNull;
 import org.springframework.beans.factory.annotation.Value;
+import org.springframework.http.HttpMethod;
 import org.springframework.stereotype.Component;
 import org.springframework.web.method.HandlerMethod;
 import org.springframework.web.servlet.HandlerInterceptor;
@@ -20,13 +22,22 @@ public AdminAuthorizationInterceptor(@Value("${admin.session-key}") String sessi
     }
 
     @Override
-    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
+    public boolean preHandle(@NotNull HttpServletRequest request,
+                             @NotNull HttpServletResponse response,
+                             @NotNull Object handler) {
+        if (isPreflightRequest(request)) {
+            return true;
+        }
         if (hasAdminAuthAnnotation(handler)) {
             authorizeAdmin(request);
         }
         return true;
     }
 
+    private boolean isPreflightRequest(HttpServletRequest request) {
+        return HttpMethod.OPTIONS.name().equals(request.getMethod());
+    }
+
     private boolean hasAdminAuthAnnotation(Object handler) {
         if (handler instanceof ResourceHttpRequestHandler) {
             return false;

backend/src/main/java/ddangkong/exception/ClientErrorCode.java

@@ -59,7 +59,7 @@ public enum ClientErrorCode {
     BLANK_BALANCE_CONTENT_NAME("컨텐츠 이름이 비어 있습니다."),
     LONG_BALANCE_CONTENT_NAME("컨텐츠 이름은 최대 %d자 입니다."),
     BLANK_BALANCE_OPTION_NAME("컨텐츠 옵션이 비어 있습니다."),
-    LONG_BALANCE_OPTION_NAME("컨텐츠 옵션은 최대 %자 입니다."),
+    LONG_BALANCE_OPTION_NAME("컨텐츠 옵션은 최대 %d자 입니다."),
     ALREADY_USING_AT_ROOM_BALANCE_CONTENT("현재 게임에서 사용 중인 컨텐츠입니다."),
 
     // Common

backend/src/test/resources/application.yml

@@ -1,7 +1,22 @@
 spring:
   profiles:
     active: test
+
+---
+
+spring:
+  config:
+    activate:
+      on-profile: test
+
+  datasource:
+    driver-class-name: org.h2.Driver
+    url: jdbc:h2:mem:testdb;DB_CLOSE_DELAY=-1
+    username: sa
+
   jpa:
+    hibernate:
+      ddl-auto: create
     properties:
       hibernate:
         format_sql: true
@@ -10,20 +25,6 @@ spring:
     database-platform: org.hibernate.dialect.H2Dialect
     defer-datasource-initialization: true
 
-cors:
-  origin: "*"
-
-cookie:
-  rejoin-key: test_cookie
-
-encrypt:
-  secret-key: 1234567890123456
-  algorithm: AES
-
-admin:
-  session-key : admin
-  password : 1234
-
 logging:
   level:
     org:
@@ -35,15 +36,17 @@ logging:
         transaction:
           interceptor: TRACE
 
----
-spring:
-  config:
-    activate:
-      on-profile: test
-  datasource:
-    driver-class-name: org.h2.Driver
-    url: jdbc:h2:mem:testdb;DB_CLOSE_DELAY=-1
-    username: sa
-  jpa:
-    hibernate:
-      ddl-auto: create
+cors:
+  origin: '*'
+
+cookie:
+  rejoin-key: test_cookie
+
+encrypt:
+  secret-key: 1234567890123456
+  algorithm: AES
+
+admin:
+  session-key: admin
+  password: 1234
+