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https://issues.apache.org/jira/browse/WW-5340?focusedWorklogId=882065&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-882065
]
ASF GitHub Bot logged work on WW-5340:
--------------------------------------
Author: ASF GitHub Bot
Created on: 27/Sep/23 05:53
Start Date: 27/Sep/23 05:53
Worklog Time Spent: 10m
Work Description: kusalk commented on code in PR #747:
URL: https://github.com/apache/struts/pull/747#discussion_r1338075370
##########
core/src/main/java/com/opensymphony/xwork2/ognl/OgnlGuard.java:
##########
@@ -0,0 +1,79 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package com.opensymphony.xwork2.ognl;
+
+import ognl.Ognl;
+import ognl.OgnlException;
+
+/**
+ * Guards all expressions parsed by Struts Core. It is evaluated by {@link
OgnlUtil} immediately after parsing any
+ * expression.
+ *
+ * @since 6.4.0
+ */
+public interface OgnlGuard {
+
+ String GUARD_BLOCKED = "_ognl_guard_blocked";
Review Comment:
Yeah agreed
Issue Time Tracking
-------------------
Worklog Id: (was: 882065)
Time Spent: 3h (was: 2h 50m)
> Introduce optional AST node exclusion list
> ------------------------------------------
>
> Key: WW-5340
> URL: https://issues.apache.org/jira/browse/WW-5340
> Project: Struts 2
> Issue Type: Improvement
> Components: Core
> Reporter: Kusal Kithul-Godage
> Priority: Minor
> Fix For: 6.4.0
>
> Time Spent: 3h
> Remaining Estimate: 0h
>
> Enhance security by implementing an optional exclusion list (in struts.xml)
> where applications can specify AST nodes that are not required in their
> applications or are known to carry higher security risk.
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