michael-o commented on code in PR #2170:
URL: https://github.com/apache/maven/pull/2170#discussion_r2006925005
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impl/maven-impl/src/main/java/org/apache/maven/impl/DefaultModelXmlFactory.java:
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@@ -48,8 +48,37 @@
@Singleton
public class DefaultModelXmlFactory implements ModelXmlFactory {
@Override
+ @Nonnull
public Model read(@Nonnull XmlReaderRequest request) throws
XmlReaderException {
nonNull(request, "request");
+ Model model = doRead(request);
+ if (isModelVersionGreaterThan400(model)
+ &&
!model.getNamespaceUri().startsWith("http://maven.apache.org/POM/";)) {
+ throw new XmlReaderException(
+ "Invalid namespace '" + model.getNamespaceUri() + "' for
model version " + model.getModelVersion(),
+ null,
+ null);
+ }
+ return model;
+ }
+
+ private boolean isModelVersionGreaterThan400(Model model) {
+ String version = model.getModelVersion();
+ if (version == null) {
+ return false;
+ }
+ try {
+ String[] parts = version.split("\\.");
+ int major = Integer.parseInt(parts[0]);
+ int minor = parts.length > 1 ? Integer.parseInt(parts[1]) : 0;
+ return major > 4 || (major == 4 && minor > 0);
+ } catch (NumberFormatException | ArrayIndexOutOfBoundsException e) {
Review Comment:
Isn't IOOBE enough to catch?
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