# NOTES
# - Can probably be a generic create validator
# - doesn't embed, will only get the object id
-# - object has to be validated first, maybe with some meta info from the surrounding create
defmodule Pleroma.Web.ActivityPub.ObjectValidators.CreateChatMessageValidator do
use Ecto.Schema
+ alias Pleroma.EctoType.ActivityPub.ObjectValidators
- alias Pleroma.Web.ActivityPub.ObjectValidators.Types
+ alias Pleroma.Object
import Ecto.Changeset
+ import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
@primary_key false
embedded_schema do
- field(:id, Types.ObjectID, primary_key: true)
- field(:actor, Types.ObjectID)
+ field(:id, ObjectValidators.ObjectID, primary_key: true)
+ field(:actor, ObjectValidators.ObjectID)
field(:type, :string)
- field(:to, Types.Recipients, default: [])
- field(:object, Types.ObjectID)
+ field(:to, ObjectValidators.Recipients, default: [])
+ field(:object, ObjectValidators.ObjectID)
end
def cast_and_apply(data) do
cast(%__MODULE__{}, data, __schema__(:fields))
end
- # No validation yet
- def cast_and_validate(data) do
+ def cast_and_validate(data, meta \\ []) do
cast_data(data)
+ |> validate_data(meta)
+ end
+
+ def validate_data(cng, meta \\ []) do
+ cng
+ |> validate_required([:id, :actor, :to, :type, :object])
+ |> validate_inclusion(:type, ["Create"])
+ |> validate_actor_presence()
+ |> validate_recipients_match(meta)
+ |> validate_actors_match(meta)
+ |> validate_object_nonexistence()
+ end
+
+ def validate_object_nonexistence(cng) do
+ cng
+ |> validate_change(:object, fn :object, object_id ->
+ if Object.get_cached_by_ap_id(object_id) do
+ [{:object, "The object to create already exists"}]
+ else
+ []
+ end
+ end)
+ end
+
+ def validate_actors_match(cng, meta) do
+ object_actor = meta[:object_data]["actor"]
+
+ cng
+ |> validate_change(:actor, fn :actor, actor ->
+ if actor == object_actor do
+ []
+ else
+ [{:actor, "Actor doesn't match with object actor"}]
+ end
+ end)
+ end
+
+ def validate_recipients_match(cng, meta) do
+ object_recipients = meta[:object_data]["to"] || []
+
+ cng
+ |> validate_change(:to, fn :to, recipients ->
+ activity_set = MapSet.new(recipients)
+ object_set = MapSet.new(object_recipients)
+
+ if MapSet.equal?(activity_set, object_set) do
+ []
+ else
+ [{:to, "Recipients don't match with object recipients"}]
+ end
+ end)
end
end