From f40ba0bf68efcb4a63d9bf841be36f0a9dda80c6 Mon Sep 17 00:00:00 2001
From: Cody Henthorne <cody@signal.org>
Date: Wed, 29 Sep 2021 16:43:51 -0400
Subject: [PATCH] Prevent starting 1:1 call with a group recipient.

---
 .../securesms/service/webrtc/IdleActionProcessor.java      | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/app/src/main/java/org/thoughtcrime/securesms/service/webrtc/IdleActionProcessor.java b/app/src/main/java/org/thoughtcrime/securesms/service/webrtc/IdleActionProcessor.java
index 86a018cc5f..44bb0ebafd 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/service/webrtc/IdleActionProcessor.java
+++ b/app/src/main/java/org/thoughtcrime/securesms/service/webrtc/IdleActionProcessor.java
@@ -8,6 +8,7 @@ import org.signal.ringrtc.CallManager;
 import org.thoughtcrime.securesms.database.DatabaseFactory;
 import org.thoughtcrime.securesms.events.WebRtcViewModel;
 import org.thoughtcrime.securesms.groups.GroupId;
+import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.ringrtc.RemotePeer;
 import org.thoughtcrime.securesms.service.webrtc.state.WebRtcServiceState;
 import org.whispersystems.signalservice.api.messages.calls.OfferMessage;
@@ -44,6 +45,12 @@ public class IdleActionProcessor extends WebRtcActionProcessor {
   {
     Log.i(TAG, "handleOutgoingCall():");
 
+    Recipient recipient = Recipient.resolved(remotePeer.getId());
+    if (recipient.isGroup()) {
+      Log.w(TAG, "Aborting attempt to start 1:1 call for group recipient: " + remotePeer.getId());
+      return currentState;
+    }
+
     currentState = WebRtcVideoUtil.initializeVideo(context, webRtcInteractor.getCameraEventListener(), currentState);
     return beginCallDelegate.handleOutgoingCall(currentState, remotePeer, offerType);
   }