delete_validator.ex (1973B)
- # Pleroma: A lightweight social networking server
- # Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
- # SPDX-License-Identifier: AGPL-3.0-only
- defmodule Pleroma.Web.ActivityPub.ObjectValidators.DeleteValidator do
- use Ecto.Schema
- alias Pleroma.Activity
- alias Pleroma.EctoType.ActivityPub.ObjectValidators
- alias Pleroma.User
- import Ecto.Changeset
- import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
- @primary_key false
- embedded_schema do
- quote do
- unquote do
- import Elixir.Pleroma.Web.ActivityPub.ObjectValidators.CommonFields
- message_fields()
- activity_fields()
- end
- end
- field(:deleted_activity_id, ObjectValidators.ObjectID)
- end
- def cast_data(data) do
- %__MODULE__{}
- |> cast(data, __schema__(:fields))
- end
- def add_deleted_activity_id(cng) do
- object =
- cng
- |> get_field(:object)
- with %Activity{id: id} <- Activity.get_create_by_object_ap_id(object) do
- cng
- |> put_change(:deleted_activity_id, id)
- else
- _ -> cng
- end
- end
- @deletable_types ~w{
- Answer
- Article
- Audio
- ChatMessage
- Event
- Note
- Page
- Question
- Tombstone
- Video
- }
- defp validate_data(cng) do
- cng
- |> validate_required([:id, :type, :actor, :to, :cc, :object])
- |> validate_inclusion(:type, ["Delete"])
- |> validate_delete_actor(:actor)
- |> validate_modification_rights(:messages_delete)
- |> validate_object_or_user_presence(allowed_types: @deletable_types)
- |> add_deleted_activity_id()
- end
- def do_not_federate?(cng) do
- !same_domain?(cng)
- end
- def cast_and_validate(data) do
- data
- |> cast_data
- |> validate_data
- end
- defp validate_delete_actor(cng, field_name) do
- validate_change(cng, field_name, fn field_name, actor ->
- case User.get_cached_by_ap_id(actor) do
- %User{} -> []
- _ -> [{field_name, "can't find user"}]
- end
- end)
- end
- end