1 # Pleroma: A lightweight social networking server
2 # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
3 # SPDX-License-Identifier: AGPL-3.0-only
5 defmodule Pleroma.Web.ActivityPub.ObjectValidators.LikeValidator do
11 alias Pleroma.Web.ActivityPub.ObjectValidators.Types
12 alias Pleroma.Web.ActivityPub.Utils
17 field(:id, :string, primary_key: true)
19 field(:object, Types.ObjectID)
20 field(:actor, Types.ObjectID)
21 field(:context, :string)
22 field(:to, {:array, :string})
23 field(:cc, {:array, :string})
26 def cast_and_validate(data) do
32 def cast_data(data) do
34 |> cast(data, [:id, :type, :object, :actor, :context, :to, :cc])
37 def validate_data(data_cng) do
39 |> validate_inclusion(:type, ["Like"])
40 |> validate_required([:id, :type, :object, :actor, :context, :to, :cc])
41 |> validate_change(:actor, &actor_valid?/2)
42 |> validate_change(:object, &object_valid?/2)
43 |> validate_existing_like()
46 def validate_existing_like(%{changes: %{actor: actor, object: object}} = cng) do
47 if Utils.get_existing_like(actor, %{data: %{"id" => object}}) do
49 |> add_error(:actor, "already liked this object")
50 |> add_error(:object, "already liked by this actor")
56 def validate_existing_like(cng), do: cng
58 def actor_valid?(field_name, actor) do
59 if User.get_cached_by_ap_id(actor) do
62 [{field_name, "can't find user"}]
66 def object_valid?(field_name, object) do
67 if Object.get_cached_by_ap_id(object) do
70 [{field_name, "can't find object"}]