Merge remote-tracking branch 'pleroma/develop' into feature/addressable-lists
[akkoma] / lib / pleroma / web / activity_pub / publisher.ex
index 8e3af0a813868b91df3e839dd518e8d67d244162..fdebdf85ce3efdfdfa68f15631895a2a7b8bacb0 100644 (file)
@@ -54,7 +54,7 @@ defmodule Pleroma.Web.ActivityPub.Publisher do
       |> Timex.format!("{WDshort}, {0D} {Mshort} {YYYY} {h24}:{m}:{s} GMT")
 
     signature =
-      Pleroma.Web.HTTPSignatures.sign(actor, %{
+      Pleroma.Signature.sign(actor, %{
         host: host,
         "content-length": byte_size(json),
         digest: digest,
@@ -93,18 +93,67 @@ defmodule Pleroma.Web.ActivityPub.Publisher do
     end
   end
 
-  @doc """
-  Publishes an activity to all relevant peers.
-  """
-  def publish(%User{} = actor, %Activity{} = activity) do
-    remote_followers =
+  defp recipients(actor, activity) do
+    followers =
       if actor.follower_address in activity.recipients do
         {:ok, followers} = User.get_followers(actor)
-        followers |> Enum.filter(&(!&1.local))
+        Enum.filter(followers, &(!&1.local))
       else
         []
       end
 
+    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)
+
+      cc = get_cc_ap_ids(ap_id, recipients)
+
+      json =
+        data
+        |> Map.put("cc", cc)
+        |> Map.put("directMessage", true)
+        |> 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
     public = is_public?(activity)
 
     if public && Config.get([:instance, :allow_relay]) do
@@ -115,7 +164,7 @@ defmodule Pleroma.Web.ActivityPub.Publisher do
     {:ok, data} = Transmogrifier.prepare_outgoing(activity.data)
     json = Jason.encode!(data)
 
-    (Pleroma.Web.Salmon.remote_users(activity) ++ remote_followers)
+    recipients(actor, activity)
     |> Enum.filter(fn user -> User.ap_enabled?(user) end)
     |> Enum.map(fn %{info: %{source_data: data}} ->
       (is_map(data["endpoints"]) && Map.get(data["endpoints"], "sharedInbox")) || data["inbox"]