1 # Pleroma: A lightweight social networking server
2 # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
3 # SPDX-License-Identifier: AGPL-3.0-only
6 # - Can probably be a generic create validator
7 # - doesn't embed, will only get the object id
8 defmodule Pleroma.Web.ActivityPub.ObjectValidators.CreateChatMessageValidator do
10 alias Pleroma.EctoType.ActivityPub.ObjectValidators
15 import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
20 field(:id, ObjectValidators.ObjectID, primary_key: true)
21 field(:actor, ObjectValidators.ObjectID)
23 field(:to, ObjectValidators.Recipients, default: [])
24 field(:object, ObjectValidators.ObjectID)
27 def cast_and_apply(data) do
30 |> apply_action(:insert)
33 def cast_data(data) do
34 cast(%__MODULE__{}, data, __schema__(:fields))
37 def cast_and_validate(data, meta \\ []) do
39 |> validate_data(meta)
42 defp validate_data(cng, meta) do
44 |> validate_required([:id, :actor, :to, :type, :object])
45 |> validate_inclusion(:type, ["Create"])
46 |> validate_actor_presence()
47 |> validate_recipients_match(meta)
48 |> validate_actors_match(meta)
49 |> validate_object_nonexistence()
52 def validate_object_nonexistence(cng) do
54 |> validate_change(:object, fn :object, object_id ->
55 if Object.get_cached_by_ap_id(object_id) do
56 [{:object, "The object to create already exists"}]
63 def validate_actors_match(cng, meta) do
64 object_actor = meta[:object_data]["actor"]
67 |> validate_change(:actor, fn :actor, actor ->
68 if actor == object_actor do
71 [{:actor, "Actor doesn't match with object actor"}]
76 def validate_recipients_match(cng, meta) do
77 object_recipients = meta[:object_data]["to"] || []
80 |> validate_change(:to, fn :to, recipients ->
81 activity_set = MapSet.new(recipients)
82 object_set = MapSet.new(object_recipients)
84 if MapSet.equal?(activity_set, object_set) do
87 [{:to, "Recipients don't match with object recipients"}]