feat:

src/main/java/com/guwan/backend/common/CorsConfig.java

@@ -0,0 +1,43 @@
+package com.guwan.backend.common;
+
+import org.springframework.context.annotation.Configuration;
+
+import javax.servlet.*;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+@Configuration
+public class CorsConfig implements Filter {
+    @Override
+    public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {
+        HttpServletResponse response = (HttpServletResponse) res;
+        HttpServletRequest request = (HttpServletRequest) req;
+
+        String origin = request.getHeader("Origin");
+        if(origin!=null) {
+            response.setHeader("Access-Control-Allow-Origin", origin);
+        }
+
+        String headers = request.getHeader("Access-Control-Request-Headers");
+        if(headers!=null) {
+            response.setHeader("Access-Control-Allow-Headers", headers);
+            response.setHeader("Access-Control-Expose-Headers", headers);
+        }
+
+        response.setHeader("Access-Control-Allow-Methods", "*");
+        response.setHeader("Access-Control-Max-Age", "3600");
+        response.setHeader("Access-Control-Allow-Credentials", "true");
+
+        chain.doFilter(request, response);
+    }
+
+    @Override
+    public void init(FilterConfig filterConfig) {
+
+    }
+
+    @Override
+    public void destroy() {
+    }
+}