Use SenderID Type (#3105)

1 files changed, 10 insertions, 2 deletions

diff --git a/clientapi/threepid/invites.go b/clientapi/threepid/invites.go
index 9f4f62e4..e7ffbac2 100644
--- a/clientapi/threepid/invites.go
+++ b/clientapi/threepid/invites.go
@@ -355,8 +355,16 @@ func emit3PIDInviteEvent(
 	rsAPI api.ClientRoomserverAPI,
 	evTime time.Time,
 ) error {
+	userID, err := spec.NewUserID(device.UserID, true)
+	if err != nil {
+		return err
+	}
+	sender, err := rsAPI.QuerySenderIDForUser(ctx, roomID, *userID)
+	if err != nil {
+		return err
+	}
 	proto := &gomatrixserverlib.ProtoEvent{
-		Sender:   device.UserID,
+		SenderID: string(sender),
 		RoomID:   roomID,
 		Type:     "m.room.third_party_invite",
 		StateKey: &res.Token,
@@ -370,7 +378,7 @@ func emit3PIDInviteEvent(
 		PublicKeys:     res.PublicKeys,
 	}
 
-	if err := proto.SetContent(content); err != nil {
+	if err = proto.SetContent(content); err != nil {
 		return err
 	}