From 66909aafb300868ffd3ed9ab02bc3bd28c49a6e9 Mon Sep 17 00:00:00 2001
From: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
Date: Sat, 23 Jun 2018 14:34:24 +0200
Subject: [PATCH] XEP-0153: Prevent a panic when the BINVAL is invalid.

---
 slixmpp/plugins/xep_0153/vcard_avatar.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/slixmpp/plugins/xep_0153/vcard_avatar.py b/slixmpp/plugins/xep_0153/vcard_avatar.py
index f1591e27..bbbbd2ad 100644
--- a/slixmpp/plugins/xep_0153/vcard_avatar.py
+++ b/slixmpp/plugins/xep_0153/vcard_avatar.py
@@ -138,7 +138,11 @@ class XEP_0153(BasePlugin):
             if iq['type'] == 'error':
                 log.debug('Could not retrieve vCard for %s', jid)
                 return
-            data = iq['vcard_temp']['PHOTO']['BINVAL']
+            try:
+                data = iq['vcard_temp']['PHOTO']['BINVAL']
+            except ValueError:
+                log.debug('Invalid BINVAL in vCard’s PHOTO for %s:', jid, exc_info=True)
+                data = None
             if not data:
                 new_hash = ''
             else: