fix profile updates when flag is set (do not drop message)

libtextsecure/message_receiver.js

@@ -23,7 +23,7 @@ function MessageReceiver() {
       // bind events
       lokiPublicChatAPI.on(
         'publicMessage',
-        window.NewReceiver.handleUnencryptedMessage
+        window.NewReceiver.handlePublicMessage
       );
       openGroupBound = true;
     }

ts/receiver/dataMessage.ts

@@ -297,9 +297,13 @@ export async function handleDataMessage(
 
   const message = await processDecrypted(envelope, dataMessage);
   const ourPubKey = window.textsecure.storage.user.getNumber();
+  const source = envelope.source;
   const senderPubKey = envelope.senderIdentity || envelope.source;
   const isMe = senderPubKey === ourPubKey;
-  const conversation = ConversationController.getInstance().get(senderPubKey);
+  const senderConversation = await ConversationController.getInstance().getOrCreateAndWait(
+    senderPubKey,
+    'private'
+  );
 
   const { UNPAIRING_REQUEST } = SignalService.DataMessage.Flags;
 
@@ -311,18 +315,22 @@ export async function handleDataMessage(
   }
 
   // Check if we need to update any profile names
-  if (!isMe && conversation && message.profile) {
+  if (!isMe && senderConversation && message.profile) {
-    await updateProfile(conversation, message.profile, message.profileKey);
+    await updateProfile(
+      senderConversation,
+      message.profile,
+      message.profileKey
+    );
   }
   if (isMessageEmpty(message)) {
     window.log.warn(`Message ${getEnvelopeId(envelope)} ignored; it was empty`);
     return removeFromCache(envelope);
   }
 
-  const source = envelope.senderIdentity || senderPubKey;
+  const ownDevice = await MultiDeviceProtocol.isOurDevice(senderPubKey);
-  const ownDevice = await MultiDeviceProtocol.isOurDevice(source);
 
-  const ownMessage = conversation?.isMediumGroup() && ownDevice;
+  const sourceConversation = ConversationController.getInstance().get(source);
+  const ownMessage = sourceConversation?.isMediumGroup() && ownDevice;
 
   const ev: any = {};
   if (ownMessage) {
@@ -342,7 +350,7 @@ export async function handleDataMessage(
 
   ev.confirm = () => removeFromCache(envelope);
   ev.data = {
-    source,
+    source: senderPubKey,
     sourceDevice: envelope.sourceDevice,
     timestamp: _.toNumber(envelope.timestamp),
     receivedAt: envelope.receivedAt,
@@ -599,20 +607,14 @@ export async function handleMessageEvent(event: MessageEvent): Promise<void> {
     ? ConversationType.GROUP
     : ConversationType.PRIVATE;
 
-  const { PROFILE_KEY_UPDATE } = SignalService.DataMessage.Flags;
-
-  // tslint:disable-next-line: no-bitwise
-  const isProfileUpdate = Boolean(message.flags & PROFILE_KEY_UPDATE);
   let conversationId = isIncoming ? source : destination;
-  if (isProfileUpdate) {
+  if (message.profileKey?.length) {
     await handleProfileUpdate(
       message.profileKey,
       conversationId,
       type,
       isIncoming
     );
-    confirm();
-    return;
   }
 
   const msg = createMessage(data, isIncoming);

ts/receiver/receiver.ts

@@ -276,7 +276,7 @@ async function handleDecryptedEnvelope(
   }
 }
 
-export async function handleUnencryptedMessage({ message: outerMessage }: any) {
+export async function handlePublicMessage({ message: outerMessage }: any) {
   const { source } = outerMessage;
   const { group, profile, profileKey } = outerMessage.message;
 
@@ -295,9 +295,15 @@ export async function handleUnencryptedMessage({ message: outerMessage }: any) {
   const isPublicChatMessage =
     group && group.id && !!group.id.match(/^publicChat:/);
 
+  if (!isPublicChatMessage) {
+    throw new Error(
+      'handlePublicMessage Should only be called with public message groups'
+    );
+  }
+
   const ev = {
     // Public chat messages from ourselves should be outgoing
-    type: isPublicChatMessage && isOurDevice ? 'sent' : 'message',
+    type: isOurDevice ? 'sent' : 'message',
     data: outerMessage,
     confirm: () => {
       /* do nothing */