1 # Pleroma: A lightweight social networking server
2 # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
3 # SPDX-License-Identifier: AGPL-3.0-only
5 defmodule Pleroma.Web.ActivityPub.ObjectValidators.AddRemoveValidator do
9 import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
11 require Pleroma.Constants
22 import Elixir.Pleroma.Web.ActivityPub.ObjectValidators.CommonFields
29 def cast_and_validate(data) do
30 {:ok, actor} = User.get_or_fetch_by_ap_id(data["actor"])
32 {:ok, actor} = maybe_refetch_user(actor)
35 |> maybe_fix_data_for_mastodon(actor)
37 |> validate_data(actor)
40 defp maybe_fix_data_for_mastodon(data, actor) do
41 # Mastodon sends pin/unpin objects without id, to, cc fields
43 |> Map.put_new("id", Pleroma.Web.ActivityPub.Utils.generate_activity_id())
44 |> Map.put_new("to", [Pleroma.Constants.as_public()])
45 |> Map.put_new("cc", [actor.follower_address])
48 defp cast_data(data) do
49 cast(%__MODULE__{}, data, __schema__(:fields))
52 defp validate_data(changeset, actor) do
54 |> validate_required([:id, :target, :object, :actor, :type, :to, :cc])
55 |> validate_inclusion(:type, ~w(Add Remove))
56 |> validate_actor_presence()
57 |> validate_collection_belongs_to_actor(actor)
58 |> validate_object_presence()
61 defp validate_collection_belongs_to_actor(changeset, actor) do
62 validate_change(changeset, :target, fn :target, target ->
63 if target == actor.featured_address do
66 [target: "collection doesn't belong to actor"]
71 defp maybe_refetch_user(%User{featured_address: address} = user) when is_binary(address) do
75 defp maybe_refetch_user(%User{ap_id: ap_id}) do
76 Pleroma.Web.ActivityPub.Transmogrifier.upgrade_user_from_ap_id(ap_id)