From 5bb8f3f9aa61acb74f3c4ad222c23d7538631991 Mon Sep 17 00:00:00 2001
From: Daniel Gultsch <daniel@gultsch.de>
Date: Tue, 21 Nov 2023 15:24:31 +0100
Subject: [PATCH] stricter bind 2 inline feature parsing

---
 .../java/eu/siacs/conversations/xmpp/bind/Bind2.java   | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/main/java/eu/siacs/conversations/xmpp/bind/Bind2.java b/src/main/java/eu/siacs/conversations/xmpp/bind/Bind2.java
index 21c957a0f..c3f847eca 100644
--- a/src/main/java/eu/siacs/conversations/xmpp/bind/Bind2.java
+++ b/src/main/java/eu/siacs/conversations/xmpp/bind/Bind2.java
@@ -1,5 +1,6 @@
 package eu.siacs.conversations.xmpp.bind;
 
+import com.google.common.base.Predicates;
 import com.google.common.collect.Collections2;
 
 import java.util.Arrays;
@@ -27,7 +28,12 @@ public class Bind2 {
         if (inlineBind2Inline == null) {
             return Collections.emptyList();
         }
-        return Collections2.transform(
-                inlineBind2Inline.getChildren(), c -> c == null ? null : c.getAttribute("var"));
+        return Collections2.filter(
+                Collections2.transform(
+                        Collections2.filter(
+                                inlineBind2Inline.getChildren(),
+                                c -> "feature".equals(c.getName())),
+                        c -> c.getAttribute("var")),
+                Predicates.notNull());
     }
 }