SONAR issue fix

Issue-ID: POLICY-1913
Signed-off-by: aditya.puthuparambil <aditya.puthuparambil@est.tech>
Change-Id: Ie6dccc50ad63c5fdca1e79d7985aec2455041b56

1 files changed, 6 insertions, 2 deletions

diff --git a/examples/examples-onap-bbs/src/main/java/org/onap/policy/apex/examples/bbs/WebClient.java b/examples/examples-onap-bbs/src/main/java/org/onap/policy/apex/examples/bbs/WebClient.java
index edaff6b52..884708d03 100644
--- a/examples/examples-onap-bbs/src/main/java/org/onap/policy/apex/examples/bbs/WebClient.java
+++ b/examples/examples-onap-bbs/src/main/java/org/onap/policy/apex/examples/bbs/WebClient.java
@@ -34,7 +34,6 @@ import javax.net.ssl.HttpsURLConnection;
 import javax.net.ssl.SSLContext;
 import javax.net.ssl.SSLSession;
 import javax.net.ssl.TrustManager;
-import javax.xml.XMLConstants;
 import javax.xml.parsers.DocumentBuilderFactory;
 import javax.xml.transform.OutputKeys;
 import javax.xml.transform.Transformer;
@@ -64,6 +63,10 @@ public class WebClient {
     // Duplicated string constants
     private static final String BBS_POLICY = "BBS Policy";
 
+    //Features to prevent XXE injection
+    private static final String XML_DISALLOW_DOCTYPE_FEATURE = "http://apache.org/xml/features/disallow-doctype-decl";
+    private static final String XML_EXTERNAL_ENTITY_FEATURE = "http://xml.org/sax/features/external-general-entities";
+
     /**
      * Send simple https rest request.
      *
@@ -140,7 +143,8 @@ public class WebClient {
             try (ByteArrayInputStream br = new ByteArrayInputStream(xml.getBytes(StandardCharsets.UTF_8))) {
 
                 DocumentBuilderFactory df = DocumentBuilderFactory.newInstance();
-                df.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
+                df.setFeature(XML_DISALLOW_DOCTYPE_FEATURE, true);
+                df.setFeature(XML_EXTERNAL_ENTITY_FEATURE, false);
                 Document document = df.newDocumentBuilder().parse(new InputSource(br));
 
                 document.normalize();