respond to unreadable OTR messages with error message. fixed #1021

1 files changed, 13 insertions, 0 deletions

diff --git a/src/main/java/eu/siacs/conversations/generator/MessageGenerator.java b/src/main/java/eu/siacs/conversations/generator/MessageGenerator.java
index 7f2f10a1..8f6a90b9 100644
--- a/src/main/java/eu/siacs/conversations/generator/MessageGenerator.java
+++ b/src/main/java/eu/siacs/conversations/generator/MessageGenerator.java
@@ -171,4 +171,17 @@ public class MessageGenerator extends AbstractGenerator {
 		received.setAttribute("id", originalMessage.getId());
 		return receivedPacket;
 	}
+
+	public MessagePacket generateOtrError(Jid to, String id) {
+		MessagePacket packet = new MessagePacket();
+		packet.setType(MessagePacket.TYPE_ERROR);
+		packet.setAttribute("id",id);
+		packet.setTo(to);
+		Element error = packet.addChild("error");
+		error.setAttribute("code","406");
+		error.setAttribute("type","modify");
+		error.addChild("not-acceptable","urn:ietf:params:xml:ns:xmpp-stanzas");
+		error.addChild("text").setContent("unreadable OTR message received");
+		return packet;
+	}
 }