From 62209dc7acfd7a416382ae18dc6d0fad329ea400 Mon Sep 17 00:00:00 2001
From: Christian Schneppe <christian@pix-art.de>
Date: Fri, 13 Sep 2019 21:39:41 +0200
Subject: parse LMC 1.1

---
 src/main/java/de/pixart/messenger/Config.java           |  2 ++
 .../java/de/pixart/messenger/entities/Conversation.java |  5 +++--
 src/main/java/de/pixart/messenger/entities/Message.java | 17 +++++++++++++++++
 .../de/pixart/messenger/generator/MessageGenerator.java |  3 +--
 4 files changed, 23 insertions(+), 4 deletions(-)

(limited to 'src/main')

diff --git a/src/main/java/de/pixart/messenger/Config.java b/src/main/java/de/pixart/messenger/Config.java
index 96b588b32..13e1cc28b 100644
--- a/src/main/java/de/pixart/messenger/Config.java
+++ b/src/main/java/de/pixart/messenger/Config.java
@@ -133,6 +133,8 @@ public final class Config {
     public static final boolean IGNORE_ID_REWRITE_IN_MUC = true;
     public static final boolean MUC_LEAVE_BEFORE_JOIN = true;
 
+    public static final boolean USE_LMC_VERSION_1_1 = false;
+
     public static final long MAM_MAX_CATCHUP = MILLISECONDS_IN_DAY * 5;
     public static final int MAM_MAX_MESSAGES = 750;
 
diff --git a/src/main/java/de/pixart/messenger/entities/Conversation.java b/src/main/java/de/pixart/messenger/entities/Conversation.java
index a43899663..866b33597 100644
--- a/src/main/java/de/pixart/messenger/entities/Conversation.java
+++ b/src/main/java/de/pixart/messenger/entities/Conversation.java
@@ -365,11 +365,12 @@ public class Conversation extends AbstractEntity implements Blockable, Comparabl
     public Message findMessageWithRemoteIdAndCounterpart(String id, Jid counterpart, boolean received, boolean carbon) {
         synchronized (this.messages) {
             for (int i = this.messages.size() - 1; i >= 0; --i) {
-                Message message = messages.get(i);
+                final Message message = messages.get(i);
                 if (counterpart.equals(message.getCounterpart())
                         && ((message.getStatus() == Message.STATUS_RECEIVED) == received)
                         && (carbon == message.isCarbon() || received)) {
-                    if (id.equals(message.getRemoteMsgId()) && !message.isFileOrImage() && !message.treatAsDownloadable()) {
+                    final boolean idMatch = id.equals(message.getRemoteMsgId()) || message.remoteMsgIdMatchInEdit(id);
+                    if (idMatch && !message.isFileOrImage() && !message.treatAsDownloadable()) {
                         return message;
                     } else {
                         return null;
diff --git a/src/main/java/de/pixart/messenger/entities/Message.java b/src/main/java/de/pixart/messenger/entities/Message.java
index 59047550b..c0e6fb8cb 100644
--- a/src/main/java/de/pixart/messenger/entities/Message.java
+++ b/src/main/java/de/pixart/messenger/entities/Message.java
@@ -451,6 +451,15 @@ public class Message extends AbstractEntity implements AvatarService.Avatarable
         this.edits.add(new Edited(edited, serverMsgId));
     }
 
+    public boolean remoteMsgIdMatchInEdit(String id) {
+        for (Edited edit : this.edits) {
+            if (id.equals(edit.getEditedId())) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     public String getBodyLanguage() {
         return this.bodyLanguage;
     }
@@ -751,6 +760,14 @@ public class Message extends AbstractEntity implements AvatarService.Avatarable
         }
     }
 
+    public String getEditedIdWireFormat() {
+        if (edits.size() > 0) {
+            return edits.get(Config.USE_LMC_VERSION_1_1 ? 0 : edits.size() - 1).getEditedId();
+        } else {
+            throw new IllegalStateException("Attempting to store unedited message");
+        }
+    }
+
     public void setOob(boolean isOob) {
         this.oob = isOob;
     }
diff --git a/src/main/java/de/pixart/messenger/generator/MessageGenerator.java b/src/main/java/de/pixart/messenger/generator/MessageGenerator.java
index 7c1caae04..623c480ea 100644
--- a/src/main/java/de/pixart/messenger/generator/MessageGenerator.java
+++ b/src/main/java/de/pixart/messenger/generator/MessageGenerator.java
@@ -14,7 +14,6 @@ import de.pixart.messenger.Config;
 import de.pixart.messenger.crypto.axolotl.AxolotlService;
 import de.pixart.messenger.crypto.axolotl.XmppAxolotlMessage;
 import de.pixart.messenger.entities.Account;
-import de.pixart.messenger.entities.Contact;
 import de.pixart.messenger.entities.Conversation;
 import de.pixart.messenger.entities.Message;
 import de.pixart.messenger.http.P1S3UrlStreamHandler;
@@ -63,7 +62,7 @@ public class MessageGenerator extends AbstractGenerator {
         packet.setId(message.getUuid());
         packet.addChild("origin-id", Namespace.STANZA_IDS).setAttribute("id", message.getUuid());
         if (message.edited()) {
-            packet.addChild("replace", "urn:xmpp:message-correct:0").setAttribute("id", message.getEditedId());
+            packet.addChild("replace", "urn:xmpp:message-correct:0").setAttribute("id", message.getEditedIdWireFormat());
         }
         return packet;
     }
-- 
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