forked from AkkomaGang/akkoma
83 lines
2.1 KiB
Elixir
83 lines
2.1 KiB
Elixir
# Pleroma: A lightweight social networking server
|
|
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
|
|
# SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
defmodule Pleroma.Web.ActivityPub.ObjectValidators.LikeValidator do
|
|
use Ecto.Schema
|
|
|
|
alias Pleroma.EctoType.ActivityPub.ObjectValidators
|
|
alias Pleroma.Object
|
|
alias Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes
|
|
alias Pleroma.Web.ActivityPub.Utils
|
|
|
|
import Ecto.Changeset
|
|
import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
|
|
|
|
@primary_key false
|
|
|
|
embedded_schema do
|
|
field(:id, ObjectValidators.ObjectID, primary_key: true)
|
|
field(:type, :string)
|
|
field(:object, ObjectValidators.ObjectID)
|
|
field(:actor, ObjectValidators.ObjectID)
|
|
field(:context, :string)
|
|
field(:to, ObjectValidators.Recipients, default: [])
|
|
field(:cc, ObjectValidators.Recipients, default: [])
|
|
end
|
|
|
|
def cast_and_validate(data) do
|
|
data
|
|
|> cast_data()
|
|
|> validate_data()
|
|
end
|
|
|
|
def cast_data(data) do
|
|
data =
|
|
data
|
|
|> fix()
|
|
|
|
%__MODULE__{}
|
|
|> changeset(data)
|
|
end
|
|
|
|
def changeset(struct, data) do
|
|
struct
|
|
|> cast(data, __schema__(:fields))
|
|
end
|
|
|
|
defp fix(data) do
|
|
data =
|
|
data
|
|
|> CommonFixes.fix_actor()
|
|
|> CommonFixes.fix_activity_addressing()
|
|
|
|
with %Object{} = object <- Object.normalize(data["object"]) do
|
|
data
|
|
|> CommonFixes.fix_activity_context(object)
|
|
|> CommonFixes.fix_object_action_recipients(object)
|
|
else
|
|
_ -> data
|
|
end
|
|
end
|
|
|
|
defp validate_data(data_cng) do
|
|
data_cng
|
|
|> validate_inclusion(:type, ["Like"])
|
|
|> validate_required([:id, :type, :object, :actor, :context, :to, :cc])
|
|
|> validate_actor_presence()
|
|
|> validate_object_presence()
|
|
|> validate_existing_like()
|
|
end
|
|
|
|
defp validate_existing_like(%{changes: %{actor: actor, object: object}} = cng) do
|
|
if Utils.get_existing_like(actor, %{data: %{"id" => object}}) do
|
|
cng
|
|
|> add_error(:actor, "already liked this object")
|
|
|> add_error(:object, "already liked by this actor")
|
|
else
|
|
cng
|
|
end
|
|
end
|
|
|
|
defp validate_existing_like(cng), do: cng
|
|
end
|