chore: 허용되지 않은 요청 필터링

src/main/java/com/verby/indp/global/filter/ResourceFilter.java

@@ -0,0 +1,43 @@
+package com.verby.indp.global.filter;
+
+import jakarta.servlet.Filter;
+import jakarta.servlet.FilterChain;
+import jakarta.servlet.ServletException;
+import jakarta.servlet.ServletRequest;
+import jakarta.servlet.ServletResponse;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.List;
+import org.springframework.stereotype.Component;
+
+@Component
+public class ResourceFilter implements Filter {
+
+    private static final List<String> ALLOWED_PATHS = Arrays.asList(
+        "/api/music",
+        "/api/stores",
+        "/api/main",
+        "/api/contacts"
+    );
+
+    @Override
+    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
+        throws IOException, ServletException {
+        HttpServletRequest httpRequest = (HttpServletRequest) request;
+        String requestURI = httpRequest.getRequestURI();
+
+        boolean isAllowed = ALLOWED_PATHS.stream().anyMatch(requestURI::startsWith);
+
+        if (isAllowed) {
+            chain.doFilter(request, response);
+        } else {
+            response.getWriter().write("Access Denied");
+            response.setContentType("text/plain");
+            response.setCharacterEncoding("UTF-8");
+
+            ((HttpServletResponse) response).setStatus(HttpServletResponse.SC_FORBIDDEN);
+        }
+    }
+}