From b4f1c67f65a082f82351bcf0658c43e34236f044 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bal=C3=A1zs=20Sz=C3=BCcs?= <bszucs1209@gmail.com>
Date: Thu, 27 Aug 2026 02:19:50 +0200
Subject: [PATCH] refactor(metadata): improve parameter handling in
 MetadataController for improved key processing

---
 .../SPDF/controller/api/misc/MetadataController.java  | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/app/core/src/main/java/stirling/software/SPDF/controller/api/misc/MetadataController.java b/app/core/src/main/java/stirling/software/SPDF/controller/api/misc/MetadataController.java
index f626e42c2d..4aa0232e99 100644
--- a/app/core/src/main/java/stirling/software/SPDF/controller/api/misc/MetadataController.java
+++ b/app/core/src/main/java/stirling/software/SPDF/controller/api/misc/MetadataController.java
@@ -111,7 +111,16 @@ public class MetadataController {
 
         Map<String, String> rawParams = new LinkedHashMap<>();
         if (request.getAllRequestParams() != null) {
-            rawParams.putAll(request.getAllRequestParams());
+            for (Entry<String, String> entry : request.getAllRequestParams().entrySet()) {
+                String paramName = entry.getKey();
+                String paramValue = entry.getValue();
+                Matcher bracketMatcher = BRACKET_PARAM_PATTERN.matcher(paramName);
+                if (bracketMatcher.matches()) {
+                    rawParams.put(bracketMatcher.group(1), paramValue);
+                } else if (!STANDARD_KEYS.contains(paramName.toLowerCase(Locale.ROOT))) {
+                    rawParams.put(paramName, paramValue);
+                }
+            }
         }
         if (servletRequest != null) {
             Map<String, String[]> parameterMap = servletRequest.getParameterMap();