[fix] CORS 관련 수정

src/main/java/com/example/taskqueue/config/SecurityConfig.java

@@ -4,6 +4,7 @@
 import com.example.taskqueue.oauth.handler.OAuth2LoginFailureHandler;
 import com.example.taskqueue.oauth.handler.OAuth2LoginSuccessHandler;
 import com.example.taskqueue.security.ResponseUtils;
+import com.example.taskqueue.security.filter.CorsFilter;
 import com.example.taskqueue.security.filter.JwtAuthenticationProcessingFilter;
 import com.example.taskqueue.oauth.jwt.JwtService;
 import com.example.taskqueue.oauth.login.filter.CustomJsonUsernamePasswordAuthenticationFilter;
@@ -172,4 +173,9 @@ public JwtAuthenticationProcessingFilter jwtAuthenticationProcessingFilter() {
         JwtAuthenticationProcessingFilter jwtAuthenticationFilter = new JwtAuthenticationProcessingFilter(jwtService, userRepository,responseUtils);
         return jwtAuthenticationFilter;
     }
+
+    @Bean
+    public CorsFilter corsFilter() {
+        return new CorsFilter();
+    }
 }

src/main/java/com/example/taskqueue/security/filter/CorsFilter.java

@@ -0,0 +1,34 @@
+package com.example.taskqueue.security.filter;
+
+import org.springframework.core.Ordered;
+import org.springframework.core.annotation.Order;
+import org.springframework.stereotype.Component;
+import javax.servlet.Filter;
+import javax.servlet.FilterChain;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import javax.servlet.annotation.WebFilter;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+import java.util.logging.LogRecord;
+
+@Component
+@WebFilter("/*")
+@Order(Ordered.HIGHEST_PRECEDENCE)
+public class CorsFilter implements Filter {
+    @Override
+    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
+            throws IOException, ServletException {
+        HttpServletResponse httpResponse = (HttpServletResponse) response; // Cast to HttpServletResponse
+        // Add the necessary CORS headers
+        httpResponse.setHeader("Access-Control-Allow-Origin", "http://localhost:3000"); // Adjust this based on your needs
+        httpResponse.setHeader("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS");
+        httpResponse.setHeader("Access-Control-Allow-Headers", "Authorization, Content-Type");
+        httpResponse.setHeader("Access-Control-Allow-Credentials", "true");
+
+        // Continue with the request
+        chain.doFilter(request, response);
+    }
+}