79 lines
2.1 KiB
Elixir
79 lines
2.1 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.ActivityPub.ObjectValidators.AddRemoveValidator do
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use Ecto.Schema
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require Pleroma.Web.ActivityPub.Transmogrifier
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import Ecto.Changeset
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import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
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require Pleroma.Constants
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alias Pleroma.User
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@primary_key false
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embedded_schema do
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field(:target)
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quote do
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unquote do
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import Elixir.Pleroma.Web.ActivityPub.ObjectValidators.CommonFields
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message_fields()
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activity_fields()
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end
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end
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end
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def cast_and_validate(data) do
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{:ok, actor} = User.get_or_fetch_by_ap_id(data["actor"])
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{:ok, actor} = maybe_refetch_user(actor)
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data
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|> maybe_fix_data_for_mastodon(actor)
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|> cast_data()
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|> validate_data(actor)
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end
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defp maybe_fix_data_for_mastodon(data, actor) do
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# Mastodon sends pin/unpin objects without id, to, cc fields
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data
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|> Map.put_new("id", Pleroma.Web.ActivityPub.Utils.generate_activity_id())
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|> Map.put_new("to", [Pleroma.Constants.as_public()])
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|> Map.put_new("cc", [actor.follower_address])
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end
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defp cast_data(data) do
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cast(%__MODULE__{}, data, __schema__(:fields))
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end
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defp validate_data(changeset, actor) do
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changeset
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|> validate_required([:id, :target, :object, :actor, :type, :to, :cc])
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|> validate_inclusion(:type, ~w(Add Remove))
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|> validate_actor_presence()
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|> validate_collection_belongs_to_actor(actor)
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|> validate_object_presence()
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end
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defp validate_collection_belongs_to_actor(changeset, actor) do
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validate_change(changeset, :target, fn :target, target ->
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if target == actor.featured_address do
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[]
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else
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[target: "collection doesn't belong to actor"]
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end
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end)
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end
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defp maybe_refetch_user(%User{featured_address: address} = user) when is_binary(address) do
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{:ok, user}
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end
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defp maybe_refetch_user(%User{ap_id: ap_id}) do
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Pleroma.Web.ActivityPub.Transmogrifier.upgrade_user_from_ap_id(ap_id)
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end
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end
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