Merge branch 'feature/1734-user-deletion' into 'develop'

[akkoma] / lib / pleroma / user.ex

diff --git a/lib/pleroma/user.ex b/lib/pleroma/user.ex
index 2a6a23fecb69c8c1938137b508266a93cb051824..e8013bf4035344a6b843d0bb83af43a1e994c259 100644 (file)
--- a/lib/pleroma/user.ex
+++ b/lib/pleroma/user.ex
@@ -9,7 +9,6 @@ defmodule Pleroma.User do
   import Ecto.Query
   import Ecto, only: [assoc: 2]
 
-  alias Comeonin.Pbkdf2
   alias Ecto.Multi
   alias Pleroma.Activity
   alias Pleroma.Config
@@ -1205,7 +1204,9 @@ defmodule Pleroma.User do
   def get_recipients_from_activity(%Activity{recipients: to, actor: actor}) do
     to = [actor | to]
 
-    User.Query.build(%{recipients_from_activity: to, local: true, deactivated: false})
+    query = User.Query.build(%{recipients_from_activity: to, local: true, deactivated: false})
+
+    query
     |> Repo.all()
   end
 
@@ -1431,6 +1432,25 @@ defmodule Pleroma.User do
     BackgroundWorker.enqueue("delete_user", %{"user_id" => user.id})
   end
 
+  defp delete_and_invalidate_cache(%User{} = user) do
+    invalidate_cache(user)
+    Repo.delete(user)
+  end
+
+  defp delete_or_deactivate(%User{local: false} = user), do: delete_and_invalidate_cache(user)
+
+  defp delete_or_deactivate(%User{local: true} = user) do
+    status = account_status(user)
+
+    if status == :confirmation_pending do
+      delete_and_invalidate_cache(user)
+    else
+      user
+      |> change(%{deactivated: true, email: nil})
+      |> update_and_set_cache()
+    end
+  end
+
   def perform(:force_password_reset, user), do: force_password_reset(user)
 
   @spec perform(atom(), User.t()) :: {:ok, User.t()}
@@ -1452,14 +1472,7 @@ defmodule Pleroma.User do
 
     delete_user_activities(user)
 
-    if user.local do
-      user
-      |> change(%{deactivated: true, email: nil})
-      |> update_and_set_cache()
-    else
-      invalidate_cache(user)
-      Repo.delete(user)
-    end
+    delete_or_deactivate(user)
   end
 
   def perform(:deactivate_async, user, status), do: deactivate(user, status)
@@ -1554,10 +1567,23 @@ defmodule Pleroma.User do
     |> Stream.run()
   end
 
-  defp delete_activity(%{data: %{"type" => "Create", "object" => object}}, user) do
-    {:ok, delete_data, _} = Builder.delete(user, object)
+  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
 
-    Pipeline.common_pipeline(delete_data, local: user.local)
+      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" => type}} = activity, user)
@@ -1913,7 +1939,7 @@ defmodule Pleroma.User do
   defp put_password_hash(
          %Ecto.Changeset{valid?: true, changes: %{password: password}} = changeset
        ) do
-    change(changeset, password_hash: Pbkdf2.hashpwsalt(password))
+    change(changeset, password_hash: Pbkdf2.hash_pwd_salt(password))
   end
 
   defp put_password_hash(changeset), do: changeset