From 7e79203fa0bdc8f3253fdca5d0880391d8641eba Mon Sep 17 00:00:00 2001
From: Goffi <goffi@goffi.org>
Date: Fri, 7 Dec 2018 17:46:50 +0100
Subject: [PATCH] core (xmpp): check <message> namespace in parseMessage, and
 accept empty namespace (happen with Wokkel)

---
 sat/core/xmpp.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/sat/core/xmpp.py b/sat/core/xmpp.py
index a68fa681..b2f44fbf 100644
--- a/sat/core/xmpp.py
+++ b/sat/core/xmpp.py
@@ -839,6 +839,7 @@ class SatXMPPComponent(SatXMPPEntity, component.Component):
 
 
 class SatMessageProtocol(xmppim.MessageProtocol):
+
     def __init__(self, host):
         xmppim.MessageProtocol.__init__(self)
         self.host = host
@@ -856,6 +857,15 @@ class SatMessageProtocol(xmppim.MessageProtocol):
                 u"parseMessage used with a non <message/> stanza, ignoring: {xml}"
                 .format(xml=message_elt.toXml())))
             return {}
+
+        if message_elt.uri is None:
+            # wokkel element parsing strip out root namespace
+            message_elt.uri = C.NS_CLIENT
+        elif message_elt.uri != C.NS_CLIENT:
+            log.warning(_(
+                u"received <message> with a wrong namespace: {xml}"
+                .format(xml=message_elt.toXml())))
+
         client = self.parent
         message = {}
         subject = {}