From 07a71d312a8eaaa9b43686905c804dec99c34cef Mon Sep 17 00:00:00 2001
From: Daniel Gultsch <daniel@gultsch.de>
Date: Mon, 31 Oct 2016 12:07:08 +0100
Subject: extracting stanza-id where by=account

---
 .../eu/siacs/conversations/parser/MessageParser.java     | 16 ++++++++++++++--
 src/main/java/eu/siacs/conversations/utils/Xmlns.java    |  1 +
 .../java/eu/siacs/conversations/xmpp/XmppConnection.java |  4 ++++
 3 files changed, 19 insertions(+), 2 deletions(-)

(limited to 'src/main/java')

diff --git a/src/main/java/eu/siacs/conversations/parser/MessageParser.java b/src/main/java/eu/siacs/conversations/parser/MessageParser.java
index 0fea84be..eaed0fbc 100644
--- a/src/main/java/eu/siacs/conversations/parser/MessageParser.java
+++ b/src/main/java/eu/siacs/conversations/parser/MessageParser.java
@@ -31,6 +31,7 @@ import eu.siacs.conversations.http.HttpConnectionManager;
 import eu.siacs.conversations.services.MessageArchiveService;
 import eu.siacs.conversations.services.XmppConnectionService;
 import eu.siacs.conversations.utils.CryptoHelper;
+import eu.siacs.conversations.utils.Xmlns;
 import eu.siacs.conversations.xml.Element;
 import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
 import eu.siacs.conversations.xmpp.chatstate.ChatState;
@@ -208,7 +209,7 @@ public class MessageParser extends AbstractParser implements OnMessagePacketRece
 	private static String extractStanzaId(Element packet, Jid by) {
 		for(Element child : packet.getChildren()) {
 			if (child.getName().equals("stanza-id")
-					&& "urn:xmpp:sid:0".equals(child.getNamespace())
+					&& Xmlns.STANZA_IDS.equals(child.getNamespace())
 					&& by.equals(child.getAttributeAsJid("by"))) {
 				return child.getAttribute("id");
 			}
@@ -430,7 +431,18 @@ public class MessageParser extends AbstractParser implements OnMessagePacketRece
 			}
 
 			if (serverMsgId == null) {
-				serverMsgId = extractStanzaId(packet, isTypeGroupChat ? conversation.getJid().toBareJid() : account.getServer());
+				final Jid by;
+				final boolean safeToExtract;
+				if (isTypeGroupChat) {
+					by = conversation.getJid().toBareJid();
+					safeToExtract = true; //conversation.getMucOptions().hasFeature(Xmlns.STANZA_IDS);
+				} else {
+					by = account.getJid().toBareJid();
+					safeToExtract = true; //account.getXmppConnection().getFeatures().stanzaIds();
+				}
+				if (safeToExtract) {
+					serverMsgId = extractStanzaId(packet, by);
+				}
 			}
 
 			message.setCounterpart(counterpart);
diff --git a/src/main/java/eu/siacs/conversations/utils/Xmlns.java b/src/main/java/eu/siacs/conversations/utils/Xmlns.java
index de0a29ce..3e725059 100644
--- a/src/main/java/eu/siacs/conversations/utils/Xmlns.java
+++ b/src/main/java/eu/siacs/conversations/utils/Xmlns.java
@@ -6,4 +6,5 @@ public final class Xmlns {
 	public static final String REGISTER = "jabber:iq:register";
 	public static final String BYTE_STREAMS = "http://jabber.org/protocol/bytestreams";
 	public static final String HTTP_UPLOAD = "urn:xmpp:http:upload";
+	public static final String STANZA_IDS = "urn:xmpp:sid:0";
 }
diff --git a/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java b/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
index 383e990d..d6a3b2cb 100644
--- a/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
+++ b/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
@@ -1685,6 +1685,10 @@ public class XmppConnection implements Runnable {
 					return -1;
 				}
 		}
+
+		public boolean stanzaIds() {
+			return hasDiscoFeature(account.getJid().toBareJid(),Xmlns.STANZA_IDS);
+		}
 	}
 
 	private IqGenerator getIqGenerator() {
-- 
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