pleroma/lib/pleroma/web/activity_pub/object_validators/article_note_page_validator.ex
Hélène 4661b56720
ArticleNotePageValidator: fix replies fixing
Some software, like GoToSocial, expose replies as ActivityPub
Collections, but do not expose any item array directly in the object,
causing validation to fail via the ObjectID validator. Now, Pleroma will
drop that field in this situation too.
2022-08-19 02:45:49 +02:00

107 lines
3.2 KiB
Elixir

# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.ObjectValidators.ArticleNotePageValidator do
use Ecto.Schema
alias Pleroma.EctoType.ActivityPub.ObjectValidators
alias Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes
alias Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
alias Pleroma.Web.ActivityPub.Transmogrifier
import Ecto.Changeset
@primary_key false
@derive Jason.Encoder
embedded_schema do
quote do
unquote do
import Elixir.Pleroma.Web.ActivityPub.ObjectValidators.CommonFields
message_fields()
object_fields()
status_object_fields()
end
end
field(:replies, {:array, ObjectValidators.ObjectID}, default: [])
end
def cast_and_apply(data) do
data
|> cast_data
|> apply_action(:insert)
end
def cast_and_validate(data) do
data
|> cast_data()
|> validate_data()
end
def cast_data(data) do
%__MODULE__{}
|> changeset(data)
end
defp fix_url(%{"url" => url} = data) when is_bitstring(url), do: data
defp fix_url(%{"url" => url} = data) when is_map(url), do: Map.put(data, "url", url["href"])
defp fix_url(data), do: data
defp fix_tag(%{"tag" => tag} = data) when is_list(tag), do: data
defp fix_tag(%{"tag" => tag} = data) when is_map(tag), do: Map.put(data, "tag", [tag])
defp fix_tag(data), do: Map.drop(data, ["tag"])
defp fix_replies(%{"replies" => %{"first" => %{"items" => replies}}} = data)
when is_list(replies),
do: Map.put(data, "replies", replies)
defp fix_replies(%{"replies" => %{"items" => replies}} = data) when is_list(replies),
do: Map.put(data, "replies", replies)
# TODO: Pleroma does not have any support for Collections at the moment.
# If the `replies` field is not something the ObjectID validator can handle,
# the activity/object would be rejected, which is bad behavior.
defp fix_replies(%{"replies" => replies} = data) when not is_list(replies),
do: Map.drop(data, ["replies"])
defp fix_replies(data), do: data
def fix_attachments(%{"attachment" => attachment} = data) when is_map(attachment),
do: Map.put(data, "attachment", [attachment])
def fix_attachments(data), do: data
defp fix(data) do
data
|> CommonFixes.fix_actor()
|> CommonFixes.fix_object_defaults()
|> fix_url()
|> fix_tag()
|> fix_replies()
|> fix_attachments()
|> Transmogrifier.fix_emoji()
|> Transmogrifier.fix_content_map()
end
def changeset(struct, data) do
data = fix(data)
struct
|> cast(data, __schema__(:fields) -- [:attachment, :tag])
|> cast_embed(:attachment)
|> cast_embed(:tag)
end
defp validate_data(data_cng) do
data_cng
|> validate_inclusion(:type, ["Article", "Note", "Page"])
|> validate_required([:id, :actor, :attributedTo, :type, :context, :context_id])
|> CommonValidations.validate_any_presence([:cc, :to])
|> CommonValidations.validate_fields_match([:actor, :attributedTo])
|> CommonValidations.validate_actor_presence()
|> CommonValidations.validate_host_match()
end
end