forked from AkkomaGang/akkoma
Delete attachments asynchronously
This commit is contained in:
Roman Chvanikov
parent
81133702d4
commit
d6a532bf0f
3 changed files with 99 additions and 73 deletions
|
|
@ -19,6 +19,8 @@ defmodule Pleroma.Object do
|
|||
|
||||
@type t() :: %__MODULE__{}
|
||||
|
||||
@derive {Jason.Encoder, only: [:data]}
|
||||
|
||||
schema "objects" do
|
||||
field(:data, :map)
|
||||
|
||||
|
|
@ -183,83 +185,14 @@ def delete(%Object{data: %{"id" => id}} = object) do
|
|||
deleted_activity = Activity.delete_all_by_object_ap_id(id),
|
||||
{:ok, true} <- Cachex.del(:object_cache, "object:#{id}"),
|
||||
{:ok, _} <- Cachex.del(:web_resp_cache, URI.parse(id).path),
|
||||
:ok <- delete_attachments(object) do
|
||||
{:ok, _} <-
|
||||
Pleroma.Workers.AttachmentsCleanupWorker.enqueue("cleanup_attachments", %{
|
||||
"object" => object
|
||||
}) do
|
||||
{:ok, object, deleted_activity}
|
||||
end
|
||||
end
|
||||
|
||||
defp delete_attachments(%{data: %{"attachment" => [_ | _] = attachments, "actor" => actor}}) do
|
||||
hrefs =
|
||||
Enum.flat_map(attachments, fn attachment ->
|
||||
Enum.map(attachment["url"], & &1["href"])
|
||||
end)
|
||||
|
||||
names = Enum.map(attachments, & &1["name"])
|
||||
|
||||
uploader = Pleroma.Config.get([Pleroma.Upload, :uploader])
|
||||
|
||||
# find all objects for copies of the attachments, name and actor doesn't matter here
|
||||
delete_ids =
|
||||
from(o in Object,
|
||||
where:
|
||||
fragment(
|
||||
"to_jsonb(array(select jsonb_array_elements((?)#>'{url}') ->> 'href' where jsonb_typeof((?)#>'{url}') = 'array'))::jsonb \\?| (?)",
|
||||
o.data,
|
||||
o.data,
|
||||
^hrefs
|
||||
)
|
||||
)
|
||||
|> Repo.all()
|
||||
# we should delete 1 object for any given attachment, but don't delete files if
|
||||
# there are more than 1 object for it
|
||||
|> Enum.reduce(%{}, fn %{
|
||||
id: id,
|
||||
data: %{
|
||||
"url" => [%{"href" => href}],
|
||||
"actor" => obj_actor,
|
||||
"name" => name
|
||||
}
|
||||
},
|
||||
acc ->
|
||||
Map.update(acc, href, %{id: id, count: 1}, fn val ->
|
||||
case obj_actor == actor and name in names do
|
||||
true ->
|
||||
# set id of the actor's object that will be deleted
|
||||
%{val | id: id, count: val.count + 1}
|
||||
|
||||
false ->
|
||||
# another actor's object, just increase count to not delete file
|
||||
%{val | count: val.count + 1}
|
||||
end
|
||||
end)
|
||||
end)
|
||||
|> Enum.map(fn {href, %{id: id, count: count}} ->
|
||||
# only delete files that have single instance
|
||||
with 1 <- count do
|
||||
prefix =
|
||||
case Pleroma.Config.get([Pleroma.Upload, :base_url]) do
|
||||
nil -> "media"
|
||||
_ -> ""
|
||||
end
|
||||
|
||||
base_url = Pleroma.Config.get([__MODULE__, :base_url], Pleroma.Web.base_url())
|
||||
|
||||
file_path = String.trim_leading(href, "#{base_url}/#{prefix}")
|
||||
|
||||
uploader.delete_file(file_path)
|
||||
end
|
||||
|
||||
id
|
||||
end)
|
||||
|
||||
from(o in Object, where: o.id in ^delete_ids)
|
||||
|> Repo.delete_all()
|
||||
|
||||
:ok
|
||||
end
|
||||
|
||||
defp delete_attachments(%{data: _data}), do: :ok
|
||||
|
||||
def prune(%Object{data: %{"id" => id}} = object) do
|
||||
with {:ok, object} <- Repo.delete(object),
|
||||
{:ok, true} <- Cachex.del(:object_cache, "object:#{id}"),
|
||||
|
|
|
|||
87
lib/pleroma/workers/attachments_cleanup_worker.ex
Normal file
87
lib/pleroma/workers/attachments_cleanup_worker.ex
Normal file
|
|
@ -0,0 +1,87 @@
|
|||
# Pleroma: A lightweight social networking server
|
||||
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
|
||||
# SPDX-License-Identifier: AGPL-3.0-only
|
||||
|
||||
defmodule Pleroma.Workers.AttachmentsCleanupWorker do
|
||||
import Ecto.Query
|
||||
|
||||
alias Pleroma.Object
|
||||
alias Pleroma.Repo
|
||||
|
||||
use Pleroma.Workers.WorkerHelper, queue: "attachments_cleanup"
|
||||
|
||||
@impl Oban.Worker
|
||||
def perform(
|
||||
%{"object" => %{"data" => %{"attachment" => [_ | _] = attachments, "actor" => actor}}},
|
||||
_job
|
||||
) do
|
||||
hrefs =
|
||||
Enum.flat_map(attachments, fn attachment ->
|
||||
Enum.map(attachment["url"], & &1["href"])
|
||||
end)
|
||||
|
||||
names = Enum.map(attachments, & &1["name"])
|
||||
|
||||
uploader = Pleroma.Config.get([Pleroma.Upload, :uploader])
|
||||
|
||||
# find all objects for copies of the attachments, name and actor doesn't matter here
|
||||
delete_ids =
|
||||
from(o in Object,
|
||||
where:
|
||||
fragment(
|
||||
"to_jsonb(array(select jsonb_array_elements((?)#>'{url}') ->> 'href' where jsonb_typeof((?)#>'{url}') = 'array'))::jsonb \\?| (?)",
|
||||
o.data,
|
||||
o.data,
|
||||
^hrefs
|
||||
)
|
||||
)
|
||||
# The query above can be time consumptive on large instances until we refactor how uploads are stored
|
||||
|> Repo.all(timout: :infinity)
|
||||
# we should delete 1 object for any given attachment, but don't delete files if
|
||||
# there are more than 1 object for it
|
||||
|> Enum.reduce(%{}, fn %{
|
||||
id: id,
|
||||
data: %{
|
||||
"url" => [%{"href" => href}],
|
||||
"actor" => obj_actor,
|
||||
"name" => name
|
||||
}
|
||||
},
|
||||
acc ->
|
||||
Map.update(acc, href, %{id: id, count: 1}, fn val ->
|
||||
case obj_actor == actor and name in names do
|
||||
true ->
|
||||
# set id of the actor's object that will be deleted
|
||||
%{val | id: id, count: val.count + 1}
|
||||
|
||||
false ->
|
||||
# another actor's object, just increase count to not delete file
|
||||
%{val | count: val.count + 1}
|
||||
end
|
||||
end)
|
||||
end)
|
||||
|> Enum.map(fn {href, %{id: id, count: count}} ->
|
||||
# only delete files that have single instance
|
||||
with 1 <- count do
|
||||
prefix =
|
||||
case Pleroma.Config.get([Pleroma.Upload, :base_url]) do
|
||||
nil -> "media"
|
||||
_ -> ""
|
||||
end
|
||||
|
||||
base_url = Pleroma.Config.get([__MODULE__, :base_url], Pleroma.Web.base_url())
|
||||
|
||||
file_path = String.trim_leading(href, "#{base_url}/#{prefix}")
|
||||
|
||||
uploader.delete_file(file_path)
|
||||
end
|
||||
|
||||
id
|
||||
end)
|
||||
|
||||
from(o in Object, where: o.id in ^delete_ids)
|
||||
|> Repo.delete_all()
|
||||
end
|
||||
|
||||
def perform(%{"object" => _object}, _job), do: :ok
|
||||
end
|
||||
|
|
@ -4,12 +4,14 @@
|
|||
|
||||
defmodule Pleroma.ObjectTest do
|
||||
use Pleroma.DataCase
|
||||
use Oban.Testing, repo: Pleroma.Repo
|
||||
import ExUnit.CaptureLog
|
||||
import Pleroma.Factory
|
||||
import Tesla.Mock
|
||||
alias Pleroma.Activity
|
||||
alias Pleroma.Object
|
||||
alias Pleroma.Repo
|
||||
alias Pleroma.Tests.ObanHelpers
|
||||
alias Pleroma.Web.CommonAPI
|
||||
|
||||
setup do
|
||||
|
|
@ -99,6 +101,8 @@ test "in subdirectories" do
|
|||
|
||||
Object.delete(note)
|
||||
|
||||
ObanHelpers.perform(all_enqueued(worker: Pleroma.Workers.AttachmentsCleanupWorker))
|
||||
|
||||
assert Object.get_by_id(attachment.id) == nil
|
||||
|
||||
assert {:ok, []} == File.ls("#{uploads_dir}/#{path}")
|
||||
|
|
@ -133,6 +137,8 @@ test "with dedupe enabled" do
|
|||
|
||||
Object.delete(note)
|
||||
|
||||
ObanHelpers.perform(all_enqueued(worker: Pleroma.Workers.AttachmentsCleanupWorker))
|
||||
|
||||
assert Object.get_by_id(attachment.id) == nil
|
||||
assert {:ok, files} = File.ls(uploads_dir)
|
||||
refute filename in files
|
||||
|
|
|
|||
Loading…
Reference in a new issue