pleroma/lib/pleroma/web/activity_pub/object_validators/create_question_validator.ex

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2020-06-11 20:23:10 +02:00
# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
# Code based on CreateChatMessageValidator
# NOTES
# - Can probably be a generic create validator
# - doesn't embed, will only get the object id
defmodule Pleroma.Web.ActivityPub.ObjectValidators.CreateQuestionValidator do
use Ecto.Schema
alias Pleroma.Object
alias Pleroma.Web.ActivityPub.ObjectValidators.Types
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(:type, :string)
field(:to, Types.Recipients, default: [])
field(:cc, Types.Recipients, default: [])
field(:object, Types.ObjectID)
end
def cast_and_apply(data) do
data
|> cast_data
|> apply_action(:insert)
end
def cast_data(data) do
cast(%__MODULE__{}, data, __schema__(:fields))
end
def cast_and_validate(data, meta \\ []) do
cast_data(data)
|> validate_data(meta)
end
def validate_data(cng, meta \\ []) do
cng
|> validate_required([:actor, :type, :object])
|> validate_inclusion(:type, ["Create"])
|> validate_actor_presence()
|> validate_any_presence([:to, :cc])
|> 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
end