From 8340212dc47f2c941fbb28bc4b14002f08797088 Mon Sep 17 00:00:00 2001
From: Christian Schneppe <christian@pix-art.de>
Date: Sun, 29 Jan 2017 20:10:53 +0100
Subject: add explicit encryption hints to outgoing messages

---
 src/main/java/de/pixart/messenger/crypto/OtrService.java          | 1 +
 src/main/java/de/pixart/messenger/generator/MessageGenerator.java | 3 +++
 2 files changed, 4 insertions(+)

(limited to 'src/main/java/de/pixart/messenger')

diff --git a/src/main/java/de/pixart/messenger/crypto/OtrService.java b/src/main/java/de/pixart/messenger/crypto/OtrService.java
index 459f49c38..df4cd9acd 100644
--- a/src/main/java/de/pixart/messenger/crypto/OtrService.java
+++ b/src/main/java/de/pixart/messenger/crypto/OtrService.java
@@ -196,6 +196,7 @@ public class OtrService extends OtrCryptoEngineImpl implements OtrEngineHost {
         }
 
         packet.setType(MessagePacket.TYPE_CHAT);
+        packet.addChild("encryption", "urn:xmpp:eme:0").setAttribute("namespace", "urn:xmpp:otr:0");
         account.getXmppConnection().sendMessagePacket(packet);
     }
 
diff --git a/src/main/java/de/pixart/messenger/generator/MessageGenerator.java b/src/main/java/de/pixart/messenger/generator/MessageGenerator.java
index bdb4b7837..b66fb4dc5 100644
--- a/src/main/java/de/pixart/messenger/generator/MessageGenerator.java
+++ b/src/main/java/de/pixart/messenger/generator/MessageGenerator.java
@@ -79,6 +79,7 @@ public class MessageGenerator extends AbstractGenerator {
             packet.setBody(OMEMO_FALLBACK_MESSAGE);
         }
         packet.addChild("store", "urn:xmpp:hints");
+        packet.addChild("encryption", "urn:xmpp:eme:0").setAttribute("name", "OMEMO").setAttribute("namespace", AxolotlService.PEP_PREFIX);
         return packet;
     }
 
@@ -109,6 +110,7 @@ public class MessageGenerator extends AbstractGenerator {
                 content = message.getBody();
             }
             packet.setBody(otrSession.transformSending(content)[0]);
+            packet.addChild("encryption", "urn:xmpp:eme:0").setAttribute("namespace", "urn:xmpp:otr:0");
             return packet;
         } catch (OtrException e) {
             return null;
@@ -139,6 +141,7 @@ public class MessageGenerator extends AbstractGenerator {
         } else if (message.getEncryption() == Message.ENCRYPTION_PGP) {
             packet.addChild("x", "jabber:x:encrypted").setContent(message.getBody());
         }
+        packet.addChild("encryption", "urn:xmpp:eme:0").setAttribute("namespace", "jabber:x:encrypted");
         return packet;
     }
 
-- 
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