ActivityPub: Fix non-federating blocks.

[akkoma] / lib / pleroma / user.ex

diff --git a/lib/pleroma/user.ex b/lib/pleroma/user.ex
index c780f99eb5f50a4f060590b1974b5f7209b7aedb..a86cc3202ffca42c5966d3492387eb944691241f 100644 (file)
--- a/lib/pleroma/user.ex
+++ b/lib/pleroma/user.ex
@@ -20,6 +20,7 @@ defmodule Pleroma.User do
   alias Pleroma.Formatter
   alias Pleroma.HTML
   alias Pleroma.Keys
+  alias Pleroma.MFA
   alias Pleroma.Notification
   alias Pleroma.Object
   alias Pleroma.Registration
@@ -115,7 +116,6 @@ defmodule Pleroma.User do
     field(:is_admin, :boolean, default: false)
     field(:show_role, :boolean, default: true)
     field(:settings, :map, default: nil)
-    field(:magic_key, :string, default: nil)
     field(:uri, Types.Uri, default: nil)
     field(:hide_followers_count, :boolean, default: false)
     field(:hide_follows_count, :boolean, default: false)
@@ -191,6 +191,12 @@ defmodule Pleroma.User do
     # `:subscribers` is deprecated (replaced with `subscriber_users` relation)
     field(:subscribers, {:array, :string}, default: [])
 
+    embeds_one(
+      :multi_factor_authentication_settings,
+      MFA.Settings,
+      on_replace: :delete
+    )
+
     timestamps()
   end
 
@@ -389,7 +395,6 @@ defmodule Pleroma.User do
         :banner,
         :locked,
         :last_refreshed_at,
-        :magic_key,
         :uri,
         :follower_address,
         :following_address,
@@ -929,6 +934,7 @@ defmodule Pleroma.User do
     end
   end
 
+  @spec get_by_nickname(String.t()) :: User.t() | nil
   def get_by_nickname(nickname) do
     Repo.get_by(User, nickname: nickname) ||
       if Regex.match?(~r(@#{Pleroma.Web.Endpoint.host()})i, nickname) do
@@ -1445,8 +1451,15 @@ defmodule Pleroma.User do
     end)
 
     delete_user_activities(user)
-    invalidate_cache(user)
-    Repo.delete(user)
+
+    if user.local do
+      user
+      |> change(%{deactivated: true, email: nil})
+      |> update_and_set_cache()
+    else
+      invalidate_cache(user)
+      Repo.delete(user)
+    end
   end
 
   def perform(:deactivate_async, user, status), do: deactivate(user, status)
@@ -1541,26 +1554,29 @@ defmodule Pleroma.User do
     |> Stream.run()
   end
 
-  defp delete_activity(%{data: %{"type" => "Create", "object" => object}}, user) do
-    {:ok, delete_data, _} = Builder.delete(user, object)
-
-    Pipeline.common_pipeline(delete_data, local: true)
-  end
-
-  defp delete_activity(%{data: %{"type" => "Like"}} = activity, _user) do
-    object = Object.normalize(activity)
+  defp delete_activity(%{data: %{"type" => "Create", "object" => object}} = activity, user) do
+    with {_, %Object{}} <- {:find_object, Object.get_by_ap_id(object)},
+         {:ok, delete_data, _} <- Builder.delete(user, object) do
+      Pipeline.common_pipeline(delete_data, local: user.local)
+    else
+      {:find_object, nil} ->
+        # We have the create activity, but not the object, it was probably pruned.
+        # Insert a tombstone and try again
+        with {:ok, tombstone_data, _} <- Builder.tombstone(user.ap_id, object),
+             {:ok, _tombstone} <- Object.create(tombstone_data) do
+          delete_activity(activity, user)
+        end
 
-    activity.actor
-    |> get_cached_by_ap_id()
-    |> ActivityPub.unlike(object)
+      e ->
+        Logger.error("Could not delete #{object} created by #{activity.data["ap_id"]}")
+        Logger.error("Error: #{inspect(e)}")
+    end
   end
 
-  defp delete_activity(%{data: %{"type" => "Announce"}} = activity, _user) do
-    object = Object.normalize(activity)
-
-    activity.actor
-    |> get_cached_by_ap_id()
-    |> ActivityPub.unannounce(object)
+  defp delete_activity(%{data: %{"type" => type}} = activity, user)
+       when type in ["Like", "Announce"] do
+    {:ok, undo, _} = Builder.undo(user, activity)
+    Pipeline.common_pipeline(undo, local: user.local)
   end
 
   defp delete_activity(_activity, _user), do: "Doing nothing"