+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
defmodule Pleroma.Object do
use Ecto.Schema
- alias Pleroma.{Repo, Object}
- import Ecto.{Query, Changeset}
+
+ alias Pleroma.Repo
+ alias Pleroma.Object
+ alias Pleroma.User
+ alias Pleroma.Activity
+ alias Pleroma.ObjectTombstone
+
+ import Ecto.Query
+ import Ecto.Changeset
schema "objects" do
field(:data, :map)
Repo.one(from(object in Object, where: fragment("(?)->>'id' = ?", object.data, ^ap_id)))
end
+ def normalize(%{"id" => ap_id}), do: normalize(ap_id)
+ def normalize(ap_id) when is_binary(ap_id), do: get_cached_by_ap_id(ap_id)
+ def normalize(_), do: nil
+
+ # Owned objects can only be mutated by their owner
+ def authorize_mutation(%Object{data: %{"actor" => actor}}, %User{ap_id: ap_id}),
+ do: actor == ap_id
+
+ # Legacy objects can be mutated by anybody
+ def authorize_mutation(%Object{}, %User{}), do: true
+
def get_cached_by_ap_id(ap_id) do
- if Mix.env() == :test do
- get_by_ap_id(ap_id)
- else
- key = "object:#{ap_id}"
-
- Cachex.get!(
- :user_cache,
- key,
- fallback: fn _ ->
- object = get_by_ap_id(ap_id)
-
- if object do
- {:commit, object}
- else
- {:ignore, object}
- end
- end
- )
- end
+ key = "object:#{ap_id}"
+
+ Cachex.fetch!(:object_cache, key, fn _ ->
+ object = get_by_ap_id(ap_id)
+
+ if object do
+ {:commit, object}
+ else
+ {:ignore, object}
+ end
+ end)
end
def context_mapping(context) do
Object.change(%Object{}, %{data: %{"id" => context}})
end
+
+ def make_tombstone(%Object{data: %{"id" => id, "type" => type}}, deleted \\ DateTime.utc_now()) do
+ %ObjectTombstone{
+ id: id,
+ formerType: type,
+ deleted: deleted
+ }
+ |> Map.from_struct()
+ end
+
+ def swap_object_with_tombstone(object) do
+ tombstone = make_tombstone(object)
+
+ object
+ |> Object.change(%{data: tombstone})
+ |> Repo.update()
+ end
+
+ def delete(%Object{data: %{"id" => id}} = object) do
+ with {:ok, _obj} = swap_object_with_tombstone(object),
+ Repo.delete_all(Activity.by_object_ap_id(id)),
+ {:ok, true} <- Cachex.del(:object_cache, "object:#{id}") do
+ {:ok, object}
+ end
+ end
+
+ def set_cache(%Object{data: %{"id" => ap_id}} = object) do
+ Cachex.put(:object_cache, "object:#{ap_id}", object)
+ {:ok, object}
+ end
+
+ def update_and_set_cache(changeset) do
+ with {:ok, object} <- Repo.update(changeset) do
+ set_cache(object)
+ else
+ e -> e
+ end
+ end
end