+ Pleroma.Web.Salmon.remote_users(actor, activity) ++ followers
+ end
+
+ defp get_cc_ap_ids(ap_id, recipients) do
+ host = Map.get(URI.parse(ap_id), :host)
+
+ recipients
+ |> Enum.filter(fn %User{ap_id: ap_id} -> Map.get(URI.parse(ap_id), :host) == host end)
+ |> Enum.map(& &1.ap_id)
+ end
+
+ @doc """
+ Publishes an activity with BCC to all relevant peers.
+ """
+
+ def publish(actor, %{data: %{"bcc" => bcc}} = activity) when is_list(bcc) and bcc != [] do
+ public = is_public?(activity)
+ {:ok, data} = Transmogrifier.prepare_outgoing(activity.data)
+
+ recipients = recipients(actor, activity)
+
+ recipients
+ |> Enum.filter(&User.ap_enabled?/1)
+ |> Enum.map(fn %{info: %{source_data: data}} -> data["inbox"] end)
+ |> Enum.filter(fn inbox -> should_federate?(inbox, public) end)
+ |> Instances.filter_reachable()
+ |> Enum.each(fn {inbox, unreachable_since} ->
+ %User{ap_id: ap_id} =
+ Enum.find(recipients, fn %{info: %{source_data: data}} -> data["inbox"] == inbox end)
+
+ # Get all the recipients on the same host and add them to cc. Otherwise it a remote
+ # instance would only accept a first message for the first recipient and ignore the rest.
+ cc = get_cc_ap_ids(ap_id, recipients)
+
+ json =
+ data
+ |> Map.put("cc", cc)
+ |> Jason.encode!()
+
+ Pleroma.Web.Federator.Publisher.enqueue_one(__MODULE__, %{
+ inbox: inbox,
+ json: json,
+ actor: actor,
+ id: activity.data["id"],
+ unreachable_since: unreachable_since
+ })
+ end)
+ end
+
+ @doc """
+ Publishes an activity to all relevant peers.
+ """
+ def publish(%User{} = actor, %Activity{} = activity) do