From 12d47a26088104166b67c8ccd5b78a22c9b31516 Mon Sep 17 00:00:00 2001
From: Thorsten Marx <thmarx@gmx.net>
Date: Tue, 24 Mar 2026 10:48:53 +0100
Subject: [PATCH] template function to encode uri params

---
 .../cms/templates/DefaultTemplate.java        |  2 +
 .../functions/impl/NodeMetaFunction.java      |  9 ---
 .../functions/impl/UriParamFunction.java      | 59 +++++++++++++++++++
 3 files changed, 61 insertions(+), 9 deletions(-)
 create mode 100644 cms-templates/src/main/java/com/condation/cms/templates/functions/impl/UriParamFunction.java

diff --git a/cms-templates/src/main/java/com/condation/cms/templates/DefaultTemplate.java b/cms-templates/src/main/java/com/condation/cms/templates/DefaultTemplate.java
index 2686b5cd..facf07f6 100644
--- a/cms-templates/src/main/java/com/condation/cms/templates/DefaultTemplate.java
+++ b/cms-templates/src/main/java/com/condation/cms/templates/DefaultTemplate.java
@@ -26,6 +26,7 @@
 import com.condation.cms.templates.functions.impl.DateFunction;
 import com.condation.cms.templates.functions.impl.NodeFunction;
 import com.condation.cms.templates.functions.impl.NodeMetaFunction;
+import com.condation.cms.templates.functions.impl.UriParamFunction;
 import com.condation.cms.templates.parser.ASTNode;
 import com.condation.cms.templates.renderer.Renderer;
 import com.condation.cms.templates.renderer.ScopeStack;
@@ -77,6 +78,7 @@ private ScopeStack createScope (Map<String, Object> context, DynamicConfiguratio
 		scope.setVariable(DateFunction.NAME, new JexlTemplateFunction(new DateFunction()));
 		scope.setVariable(NodeFunction.NAME, new JexlTemplateFunction(new NodeFunction(dynamicConfiguration.requestContext())));
 		scope.setVariable(NodeMetaFunction.NAME, new JexlTemplateFunction(new NodeMetaFunction(dynamicConfiguration.requestContext())));
+		scope.setVariable(UriParamFunction.NAME, new JexlTemplateFunction(new UriParamFunction()));
 		
 		dynamicConfiguration.templateFunctions().forEach(tf -> {
 			scope.setVariable(tf.name(), new JexlTemplateFunction(tf));
diff --git a/cms-templates/src/main/java/com/condation/cms/templates/functions/impl/NodeMetaFunction.java b/cms-templates/src/main/java/com/condation/cms/templates/functions/impl/NodeMetaFunction.java
index 53a00627..d8c5fb9d 100644
--- a/cms-templates/src/main/java/com/condation/cms/templates/functions/impl/NodeMetaFunction.java
+++ b/cms-templates/src/main/java/com/condation/cms/templates/functions/impl/NodeMetaFunction.java
@@ -22,16 +22,7 @@
  * #L%
  */
 
-import com.condation.cms.api.db.ContentNode;
-import com.condation.cms.api.db.DB;
-import com.condation.cms.api.db.cms.ReadOnlyFile;
-import com.condation.cms.api.feature.features.InjectorFeature;
 import com.condation.cms.api.request.RequestContext;
-import com.condation.cms.content.ContentRenderer;
-import com.condation.cms.content.Section;
-import java.io.IOException;
-import java.util.List;
-import java.util.Map;
 import lombok.extern.slf4j.Slf4j;
 
 /**
diff --git a/cms-templates/src/main/java/com/condation/cms/templates/functions/impl/UriParamFunction.java b/cms-templates/src/main/java/com/condation/cms/templates/functions/impl/UriParamFunction.java
new file mode 100644
index 00000000..7f704eb2
--- /dev/null
+++ b/cms-templates/src/main/java/com/condation/cms/templates/functions/impl/UriParamFunction.java
@@ -0,0 +1,59 @@
+package com.condation.cms.templates.functions.impl;
+
+/*-
+ * #%L
+ * cms-templates
+ * %%
+ * Copyright (C) 2023 - 2026 CondationCMS
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * <http://www.gnu.org/licenses/gpl-3.0.html>.
+ * #L%
+ */
+
+import com.condation.cms.templates.functions.TemplateFunction;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
+import lombok.extern.slf4j.Slf4j;
+
+/**
+ *
+ * @author thorstenmarx
+ */
+@Slf4j
+public class UriParamFunction implements TemplateFunction {
+
+	public static final String NAME = "uri_param";
+
+	@Override
+	public Object invoke(Object... params) {
+		if (params == null || params.length == 0 || !(params[0] instanceof String)) {
+			return "";
+		}
+		
+		return URLEncoder.encode(String.valueOf(params[0]), StandardCharsets.UTF_8)
+                .replace("+", "%20")      // Leerzeichen als %20, nicht +
+                .replace("%21", "!")
+                .replace("%27", "'")
+                .replace("%28", "(")
+                .replace("%29", ")")
+                .replace("%7E", "~");
+	}
+
+	@Override
+	public String name() {
+		return NAME;
+	}
+	
+}