garydgregory commented on code in PR #154:
URL: https://github.com/apache/commons-scxml/pull/154#discussion_r1339999687
##########
src/main/java/org/apache/commons/scxml2/env/jexl/JexlEvaluator.java:
##########
@@ -185,7 +195,13 @@ protected JexlEngine createJexlEngine() {
// See javadoc of
org.apache.commons.jexl2.JexlEngine#setFunctions(Map<String,Object> funcs) for
detail.
final Map<String, Object> funcs = new HashMap<>();
funcs.put(null, JexlBuiltin.class);
+
JexlPermissions permissions =
JexlPermissions.RESTRICTED.compose("org.apache.commons.scxml2.*");
+
+ if(customAllowedClasses != null && customAllowedClasses.length > 0) {
Review Comment:
Fix formatting.
##########
src/main/java/org/apache/commons/scxml2/env/jexl/JexlEvaluator.java:
##########
@@ -74,11 +74,21 @@ public Evaluator getEvaluator(final SCXML document) {
/** The internal JexlEngine instance to use. */
private transient volatile JexlEngine jexlEngine;
+ /** Optional: saves user defined packages, which JEXL should allow for
evaluation */
+ private String[] customAllowedClasses;
+
/** Constructor. */
public JexlEvaluator() {
jexlEngine = getJexlEngine();
}
+ /** Constructor with further allowed classes or packages. Use an asterix
for all classes in a package */
+ public JexlEvaluator(String... customAllowedClasses) {
Review Comment:
I think we should use the builder pattern instead of adding public
constructors.
##########
src/test/java/com/custom/Payload.java:
##########
@@ -0,0 +1,20 @@
+package com.custom;
Review Comment:
Missing Apache License header.
##########
src/main/java/org/apache/commons/scxml2/env/jexl/JexlEvaluator.java:
##########
@@ -185,7 +195,13 @@ protected JexlEngine createJexlEngine() {
// See javadoc of
org.apache.commons.jexl2.JexlEngine#setFunctions(Map<String,Object> funcs) for
detail.
final Map<String, Object> funcs = new HashMap<>();
funcs.put(null, JexlBuiltin.class);
+
JexlPermissions permissions =
JexlPermissions.RESTRICTED.compose("org.apache.commons.scxml2.*");
+
+ if(customAllowedClasses != null && customAllowedClasses.length > 0) {
Review Comment:
Formatting
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