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-rw-r--r--catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/artifact/PayloadTypeEnum.java13
1 files changed, 10 insertions, 3 deletions
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/artifact/PayloadTypeEnum.java b/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/artifact/PayloadTypeEnum.java
index b94b565d79..b253537177 100644
--- a/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/artifact/PayloadTypeEnum.java
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/artifact/PayloadTypeEnum.java
@@ -76,12 +76,19 @@ public enum PayloadTypeEnum {
}
}, XML {
@Override
- public Either<Boolean, ActionStatus> isValid(byte[] payload) {
+ public Either<Boolean, ActionStatus> isValid(final byte[] payload) {
try {
- SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser();
+ final SAXParserFactory saxParserFactory = SAXParserFactory.newInstance();
+ // to be compliant, completely disable DOCTYPE declaration:
+ saxParserFactory.setFeature("http://apache.org/xml/features/disallow-doctype-decl", true);
+ // completely disable external entities declarations:
+ saxParserFactory.setFeature("http://xml.org/sax/features/external-general-entities", false);
+ saxParserFactory.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
+ final SAXParser saxParser = saxParserFactory.newSAXParser();
+ // prohibit the use of all protocols by external entities:
saxParser.setProperty(XMLConstants.ACCESS_EXTERNAL_DTD, "");
saxParser.setProperty(XMLConstants.ACCESS_EXTERNAL_SCHEMA, "");
- XMLReader reader = saxParser.getXMLReader();
+ final XMLReader reader = saxParser.getXMLReader();
setFeatures(reader);
reader.parse(new InputSource(new ByteArrayInputStream(payload)));
} catch (ParserConfigurationException | IOException | SAXException exception) {