From 457785b286c31fda28898fb755a1f9ae448da65d Mon Sep 17 00:00:00 2001
From: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
Date: Sat, 26 Nov 2016 16:41:48 +0000
Subject: [PATCH] XEP-0380: Add a helper to test for the presence of an EME
 tag.

---
 slixmpp/plugins/xep_0380/eme.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/slixmpp/plugins/xep_0380/eme.py b/slixmpp/plugins/xep_0380/eme.py
index 7ff09f65..abdd3e88 100644
--- a/slixmpp/plugins/xep_0380/eme.py
+++ b/slixmpp/plugins/xep_0380/eme.py
@@ -55,6 +55,9 @@ class XEP_0380(BasePlugin):
     def session_bind(self, jid):
         self.xmpp.plugin['xep_0030'].add_feature(Encryption.namespace)
 
+    def has_eme(self, msg):
+        return msg.xml.find('{%s}encryption' % Encryption.namespace) is not None
+
     def replace_body_with_eme(self, msg):
         eme = msg['eme']
         namespace = eme['namespace']