1 # Pleroma: A lightweight social networking server
2 # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
3 # SPDX-License-Identifier: AGPL-3.0-only
5 defmodule Pleroma.Web.ActivityPub.ObjectValidator do
7 This module is responsible for validating an object (which can be an activity)
8 and checking if it is both well formed and also compatible with our view of
14 alias Pleroma.Web.ActivityPub.ObjectValidators.ChatMessageValidator
15 alias Pleroma.Web.ActivityPub.ObjectValidators.CreateChatMessageValidator
16 alias Pleroma.Web.ActivityPub.ObjectValidators.LikeValidator
18 @spec validate(map(), keyword()) :: {:ok, map(), keyword()} | {:error, any()}
19 def validate(object, meta)
21 def validate(%{"type" => "Like"} = object, meta) do
24 |> LikeValidator.cast_and_validate()
25 |> Ecto.Changeset.apply_action(:insert) do
26 object = stringify_keys(object)
31 def validate(%{"type" => "ChatMessage"} = object, meta) do
34 |> ChatMessageValidator.cast_and_validate()
35 |> Ecto.Changeset.apply_action(:insert) do
36 object = stringify_keys(object)
41 def validate(%{"type" => "Create", "object" => object} = create_activity, meta) do
42 with {:ok, object_data} <- cast_and_apply(object),
43 meta = Keyword.put(meta, :object_data, object_data |> stringify_keys),
44 {:ok, create_activity} <-
46 |> CreateChatMessageValidator.cast_and_validate(meta)
47 |> Ecto.Changeset.apply_action(:insert) do
48 create_activity = stringify_keys(create_activity)
49 {:ok, create_activity, meta}
53 def cast_and_apply(%{"type" => "ChatMessage"} = object) do
54 ChatMessageValidator.cast_and_apply(object)
57 def cast_and_apply(o), do: {:error, {:validator_not_set, o}}
59 def stringify_keys(%{__struct__: _} = object) do
65 def stringify_keys(object) do
67 |> Map.new(fn {key, val} -> {to_string(key), val} end)
70 def fetch_actor_and_object(object) do
71 User.get_or_fetch_by_ap_id(object["actor"])
72 Object.normalize(object["object"])