[DIVA] Enable response compression

src/main/java/icu/samnyan/aqua/sega/chunithm/filter/ChuniResponseWrapper.java

@@ -16,7 +16,7 @@ public class ChuniResponseWrapper extends HttpServletResponseWrapper {
     private ServletOutputStream filterOutput;
 
 
-    ChuniResponseWrapper(HttpServletResponse response) {
+    public ChuniResponseWrapper(HttpServletResponse response) {
         super(response);
         output = new ByteArrayOutputStream();
     }
@@ -44,7 +44,7 @@ public class ChuniResponseWrapper extends HttpServletResponseWrapper {
         return filterOutput;
     }
 
-    byte[] toByteArray() {
+    public byte[] toByteArray() {
         return output.toByteArray();
     }
 }

src/main/java/icu/samnyan/aqua/sega/chunithm/handler/impl/GetGameSettingHandler.java

@@ -45,7 +45,7 @@ public class GetGameSettingHandler implements BaseHandler {
         GetGameSettingResp resp = new GetGameSettingResp(
                 gameSetting,
                 false,
-                false
+                true
         );
 
         String json = mapper.write(resp);

src/main/java/icu/samnyan/aqua/sega/diva/filter/DivaCompressionFilter.java

@@ -1,6 +1,7 @@
 package icu.samnyan.aqua.sega.diva.filter;
 
 import icu.samnyan.aqua.sega.chunithm.filter.ChuniRequestWrapper;
+import icu.samnyan.aqua.sega.chunithm.filter.ChuniResponseWrapper;
 import icu.samnyan.aqua.sega.util.Compression;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -37,9 +38,17 @@ public class DivaCompressionFilter extends OncePerRequestFilter {
         }
 
         ChuniRequestWrapper requestWrapper = new ChuniRequestWrapper(request, reqResult);
+        ChuniResponseWrapper responseWrapper = new ChuniResponseWrapper(response);
 
-        filterChain.doFilter(requestWrapper, response);
+        filterChain.doFilter(requestWrapper, responseWrapper);
+        byte[] respSrc = responseWrapper.toByteArray();
+        byte[] respResult = Compression.compress(respSrc);
 
+
+        response.setContentLength(respResult.length);
+        response.setHeader("pragma", "DFI");
+
+        response.getOutputStream().write(respResult);
     }
 
     @Override