# Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 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
- alias Pleroma.Web.ActivityPub.ObjectValidators.Types
import Ecto.Changeset
import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
@primary_key false
embedded_schema do
- field(:id, Types.ObjectID, primary_key: true)
- field(:type, :string)
- field(:actor, Types.ObjectID)
- field(:to, Types.Recipients, default: [])
- field(:cc, Types.Recipients, default: [])
- field(:deleted_activity_id)
- field(:object, Types.ObjectID)
+ 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
Answer
Article
Audio
+ ChatMessage
Event
Note
Page
Question
+ Tombstone
Video
}
- def validate_data(cng) do
+ defp validate_data(cng) do
cng
|> validate_required([:id, :type, :actor, :to, :cc, :object])
|> validate_inclusion(:type, ["Delete"])
- |> validate_actor_presence()
- |> validate_deletion_rights()
+ |> validate_delete_actor(:actor)
+ |> validate_modification_rights()
|> validate_object_or_user_presence(allowed_types: @deletable_types)
|> add_deleted_activity_id()
end
!same_domain?(cng)
end
- defp same_domain?(cng) do
- actor_domain =
- cng
- |> get_field(:actor)
- |> URI.parse()
- |> (& &1.host).()
-
- object_domain =
- cng
- |> get_field(:object)
- |> URI.parse()
- |> (& &1.host).()
-
- object_domain == actor_domain
- end
-
- def validate_deletion_rights(cng) do
- actor = User.get_cached_by_ap_id(get_field(cng, :actor))
-
- if User.superuser?(actor) || same_domain?(cng) do
- cng
- else
- cng
- |> add_error(:actor, "is not allowed to delete object")
- end
- 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