Merge branch 'develop' of https://git.pleroma.social/pleroma/pleroma into develop

[akkoma] / lib / pleroma / web / federator / publisher.ex

diff --git a/lib/pleroma/web/federator/publisher.ex b/lib/pleroma/web/federator/publisher.ex
index 937064638fc72ee9d8d1b21b80ac34656e17fc89..ad020136175660888fc58dbe371f3f024b06a6ce 100644 (file)
--- a/lib/pleroma/web/federator/publisher.ex
+++ b/lib/pleroma/web/federator/publisher.ex
@@ -1,5 +1,5 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.Federator.Publisher do
@@ -47,7 +47,7 @@ defmodule Pleroma.Web.Federator.Publisher do
     Config.get([:instance, :federation_publisher_modules])
     |> Enum.each(fn module ->
       if module.is_representable?(activity) do
-        Logger.info("Publishing #{activity.data["id"]} using #{inspect(module)}")
+        Logger.debug("Publishing #{activity.data["id"]} using #{inspect(module)}")
         module.publish(user, activity)
       end
     end)
@@ -80,4 +80,30 @@ defmodule Pleroma.Web.Federator.Publisher do
       links ++ module.gather_nodeinfo_protocol_names()
     end)
   end
+
+  @doc """
+  Gathers a set of remote users given an IR envelope.
+  """
+  def remote_users(%User{id: user_id}, %{data: %{"to" => to} = data}) do
+    cc = Map.get(data, "cc", [])
+
+    bcc =
+      data
+      |> Map.get("bcc", [])
+      |> Enum.reduce([], fn ap_id, bcc ->
+        case Pleroma.List.get_by_ap_id(ap_id) do
+          %Pleroma.List{user_id: ^user_id} = list ->
+            {:ok, following} = Pleroma.List.get_following(list)
+            bcc ++ Enum.map(following, & &1.ap_id)
+
+          _ ->
+            bcc
+        end
+      end)
+
+    [to, cc, bcc]
+    |> Enum.concat()
+    |> Enum.map(&User.get_cached_by_ap_id/1)
+    |> Enum.filter(fn user -> user && !user.local end)
+  end
 end