akkoma/lib/pleroma/object.ex

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defmodule Pleroma.Object do
use Ecto.Schema
alias Pleroma.{Repo, Object, User, Activity, ObjectTombstone}
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import Ecto.{Query, Changeset}
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schema "objects" do
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field(:data, :map)
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timestamps()
end
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def create(data) do
Object.change(%Object{}, %{data: data})
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|> Repo.insert()
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end
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def change(struct, params \\ %{}) do
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struct
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|> cast(params, [:data])
|> validate_required([:data])
|> unique_constraint(:ap_id, name: :objects_unique_apid_index)
end
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def get_by_ap_id(nil), do: nil
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def get_by_ap_id(ap_id) do
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Repo.one(from(object in Object, where: fragment("(?)->>'id' = ?", object.data, ^ap_id)))
end
def normalize(obj) when is_map(obj), do: Object.get_by_ap_id(obj["id"])
def normalize(ap_id) when is_binary(ap_id), do: Object.get_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
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if Mix.env() == :test do
def get_cached_by_ap_id(ap_id) do
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get_by_ap_id(ap_id)
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end
else
def get_cached_by_ap_id(ap_id) do
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key = "object:#{ap_id}"
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Cachex.fetch!(:object_cache, key, fn _ ->
object = get_by_ap_id(ap_id)
if object do
{:commit, object}
else
{:ignore, object}
end
end)
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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.all_non_create_by_object_ap_id_q(id)),
{:ok, true} <- Cachex.del(:object_cache, "object:#{id}") do
{:ok, object}
end
end
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end