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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.ActivityPub.ObjectValidators.AnswerValidator do
   6   use Ecto.Schema
   7
   8   alias Pleroma.EctoType.ActivityPub.ObjectValidators
   9   alias Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes
  10   alias Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
  11
  12   import Ecto.Changeset
  13
  14   @primary_key false
  15   @derive Jason.Encoder
  16
  17   embedded_schema do
  18     quote do
  19       unquote do
  20         import Elixir.Pleroma.Web.ActivityPub.ObjectValidators.CommonFields
  21         message_fields()
  22       end
  23     end
  24
  25     field(:name, :string)
  26     field(:inReplyTo, ObjectValidators.ObjectID)
  27     field(:attributedTo, ObjectValidators.ObjectID)
  28     field(:context, :string)
  29
  30     # TODO: Remove actor on objects
  31     field(:actor, ObjectValidators.ObjectID)
  32   end
  33
  34   def cast_and_apply(data) do
  35     data
  36     |> cast_data()
  37     |> apply_action(:insert)
  38   end
  39
  40   def cast_and_validate(data) do
  41     data
  42     |> cast_data()
  43     |> validate_data()
  44   end
  45
  46   def cast_data(data) do
  47     %__MODULE__{}
  48     |> changeset(data)
  49   end
  50
  51   def changeset(struct, data) do
  52     data =
  53       data
  54       |> CommonFixes.fix_actor()
  55       |> CommonFixes.fix_object_defaults()
  56
  57     struct
  58     |> cast(data, __schema__(:fields))
  59   end
  60
  61   defp validate_data(data_cng) do
  62     data_cng
  63     |> validate_inclusion(:type, ["Answer"])
  64     |> validate_required([:id, :inReplyTo, :name, :attributedTo, :actor])
  65     |> CommonValidations.validate_any_presence([:cc, :to])
  66     |> CommonValidations.validate_fields_match([:actor, :attributedTo])
  67     |> CommonValidations.validate_actor_presence()
  68     |> CommonValidations.validate_host_match()
  69   end
  70 end