diff --git a/config/config.exs b/config/config.exs index 178b6be99..a92ab574b 100644 --- a/config/config.exs +++ b/config/config.exs @@ -871,7 +871,9 @@ config :pleroma, Pleroma.User.Backup, purge_after_days: 30, limit_days: 7, - dir: nil + dir: nil, + process_wait_time: 30_000, + process_chunk_size: 100 config :pleroma, ConcurrentLimiter, [ {Pleroma.Web.RichMedia.Helpers, [max_running: 5, max_waiting: 5]}, diff --git a/config/description.exs b/config/description.exs index 5f8add8a4..d18649ae8 100644 --- a/config/description.exs +++ b/config/description.exs @@ -3364,6 +3364,21 @@ type: :integer, description: "Limit user to export not more often than once per N days", suggestions: [7] + }, + %{ + key: :process_wait_time, + type: :integer, + label: "Process Wait Time", + description: + "The amount of time to wait for backup to report progress, in milliseconds. If no progress is received from the backup job for that much time, terminate it and deem it failed.", + suggestions: [30_000] + }, + %{ + key: :process_chunk_size, + type: :integer, + label: "Process Chunk Size", + description: "The number of activities to fetch in the backup job for each chunk.", + suggestions: [100] } ] }, diff --git a/lib/pleroma/ecto_enums.ex b/lib/pleroma/ecto_enums.ex index a4890b489..b346b39d6 100644 --- a/lib/pleroma/ecto_enums.ex +++ b/lib/pleroma/ecto_enums.ex @@ -27,3 +27,11 @@ failed: 4, manual: 5 ) + +defenum(Pleroma.User.Backup.State, + pending: 1, + running: 2, + complete: 3, + failed: 4, + invalid: 5 +) diff --git a/lib/pleroma/user/backup.ex b/lib/pleroma/user/backup.ex index 9df010605..447fca2a1 100644 --- a/lib/pleroma/user/backup.ex +++ b/lib/pleroma/user/backup.ex @@ -9,12 +9,14 @@ defmodule Pleroma.User.Backup do import Ecto.Query import Pleroma.Web.Gettext + require Logger require Pleroma.Constants alias Pleroma.Activity alias Pleroma.Bookmark alias Pleroma.Repo alias Pleroma.User + alias Pleroma.User.Backup.State alias Pleroma.Web.ActivityPub.ActivityPub alias Pleroma.Web.ActivityPub.Transmogrifier alias Pleroma.Web.ActivityPub.UserView @@ -25,6 +27,8 @@ defmodule Pleroma.User.Backup do field(:file_name, :string) field(:file_size, :integer, default: 0) field(:processed, :boolean, default: false) + field(:state, State, default: :invalid) + field(:processed_number, :integer, default: 0) belongs_to(:user, User, type: FlakeId.Ecto.CompatType) @@ -46,7 +50,8 @@ def new(user) do %__MODULE__{ user_id: user.id, content_type: "application/zip", - file_name: name + file_name: name, + state: :pending } end @@ -109,27 +114,108 @@ def remove_outdated(%__MODULE__{id: latest_id, user_id: user_id}) do def get(id), do: Repo.get(__MODULE__, id) + defp set_state(backup, state, processed_number \\ nil) do + struct = + %{state: state} + |> Pleroma.Maps.put_if_present(:processed_number, processed_number) + + backup + |> cast(struct, [:state, :processed_number]) + |> Repo.update() + end + def process(%__MODULE__{} = backup) do - with {:ok, zip_file} <- export(backup), + set_state(backup, :running, 0) + + current_pid = self() + + task = + Task.Supervisor.async_nolink( + Pleroma.TaskSupervisor, + __MODULE__, + :do_process, + [backup, current_pid] + ) + + wait_backup(backup, backup.processed_number, task) + end + + def do_process(backup, current_pid) do + with {:ok, zip_file} <- export(backup, current_pid), {:ok, %{size: size}} <- File.stat(zip_file), {:ok, _upload} <- upload(backup, zip_file) do backup - |> cast(%{file_size: size, processed: true}, [:file_size, :processed]) + |> cast( + %{ + file_size: size, + processed: true, + state: :complete + }, + [:file_size, :processed, :state] + ) |> Repo.update() end end + defp wait_backup(backup, current_processed, task) do + wait_time = Pleroma.Config.get([__MODULE__, :process_wait_time]) + + receive do + {:progress, new_processed} -> + total_processed = current_processed + new_processed + + set_state(backup, :running, total_processed) + wait_backup(backup, total_processed, task) + + {:DOWN, _ref, _proc, _pid, reason} -> + backup = get(backup.id) + + if reason != :normal do + Logger.error("Backup #{backup.id} process ended abnormally: #{inspect(reason)}") + + {:ok, backup} = set_state(backup, :failed) + + cleanup(backup) + + {:error, + %{ + backup: backup, + reason: :exit, + details: reason + }} + else + {:ok, backup} + end + after + wait_time -> + Logger.error( + "Backup #{backup.id} timed out after no response for #{wait_time}ms, terminating" + ) + + Task.Supervisor.terminate_child(Pleroma.TaskSupervisor, task.pid) + + {:ok, backup} = set_state(backup, :failed) + + cleanup(backup) + + {:error, + %{ + backup: backup, + reason: :timeout + }} + end + end + @files ['actor.json', 'outbox.json', 'likes.json', 'bookmarks.json'] - def export(%__MODULE__{} = backup) do + def export(%__MODULE__{} = backup, caller_pid) do backup = Repo.preload(backup, :user) - name = String.trim_trailing(backup.file_name, ".zip") - dir = dir(name) + dir = backup_tempdir(backup) with :ok <- File.mkdir(dir), - :ok <- actor(dir, backup.user), - :ok <- statuses(dir, backup.user), - :ok <- likes(dir, backup.user), - :ok <- bookmarks(dir, backup.user), + :ok <- actor(dir, backup.user, caller_pid), + :ok <- statuses(dir, backup.user, caller_pid), + :ok <- likes(dir, backup.user, caller_pid), + :ok <- bookmarks(dir, backup.user, caller_pid), {:ok, zip_path} <- :zip.create(String.to_charlist(dir <> ".zip"), @files, cwd: dir), {:ok, _} <- File.rm_rf(dir) do {:ok, to_string(zip_path)} @@ -157,11 +243,12 @@ def upload(%__MODULE__{} = backup, zip_path) do end end - defp actor(dir, user) do + defp actor(dir, user, caller_pid) do with {:ok, json} <- UserView.render("user.json", %{user: user}) |> Map.merge(%{"likes" => "likes.json", "bookmarks" => "bookmarks.json"}) |> Jason.encode() do + send(caller_pid, {:progress, 1}) File.write(Path.join(dir, "actor.json"), json) end end @@ -180,47 +267,80 @@ defp write_header(file, name) do ) end - defp write(query, dir, name, fun) do + defp should_report?(num, chunk_size), do: rem(num, chunk_size) == 0 + + defp backup_tempdir(backup) do + name = String.trim_trailing(backup.file_name, ".zip") + dir(name) + end + + defp cleanup(backup) do + dir = backup_tempdir(backup) + File.rm_rf(dir) + end + + defp write(query, dir, name, fun, caller_pid) do path = Path.join(dir, "#{name}.json") + chunk_size = Pleroma.Config.get([__MODULE__, :process_chunk_size]) + with {:ok, file} <- File.open(path, [:write, :utf8]), :ok <- write_header(file, name) do total = query - |> Pleroma.Repo.chunk_stream(100) + |> Pleroma.Repo.chunk_stream(chunk_size, _returns_as = :one, timeout: :infinity) |> Enum.reduce(0, fn i, acc -> - with {:ok, data} <- fun.(i), + with {:ok, data} <- + (try do + fun.(i) + rescue + e -> {:error, e} + end), {:ok, str} <- Jason.encode(data), :ok <- IO.write(file, str <> ",\n") do + if should_report?(acc + 1, chunk_size) do + send(caller_pid, {:progress, chunk_size}) + end + acc + 1 else - _ -> acc + {:error, e} -> + Logger.warn( + "Error processing backup item: #{inspect(e)}\n The item is: #{inspect(i)}" + ) + + acc + + _ -> + acc end end) + send(caller_pid, {:progress, rem(total, chunk_size)}) + with :ok <- :file.pwrite(file, {:eof, -2}, "\n],\n \"totalItems\": #{total}}") do File.close(file) end end end - defp bookmarks(dir, %{id: user_id} = _user) do + defp bookmarks(dir, %{id: user_id} = _user, caller_pid) do Bookmark |> where(user_id: ^user_id) |> join(:inner, [b], activity in assoc(b, :activity)) |> select([b, a], %{id: b.id, object: fragment("(?)->>'object'", a.data)}) - |> write(dir, "bookmarks", fn a -> {:ok, a.object} end) + |> write(dir, "bookmarks", fn a -> {:ok, a.object} end, caller_pid) end - defp likes(dir, user) do + defp likes(dir, user, caller_pid) do user.ap_id |> Activity.Queries.by_actor() |> Activity.Queries.by_type("Like") |> select([like], %{id: like.id, object: fragment("(?)->>'object'", like.data)}) - |> write(dir, "likes", fn a -> {:ok, a.object} end) + |> write(dir, "likes", fn a -> {:ok, a.object} end, caller_pid) end - defp statuses(dir, user) do + defp statuses(dir, user, caller_pid) do opts = %{} |> Map.put(:type, ["Create", "Announce"]) @@ -233,10 +353,15 @@ defp statuses(dir, user) do ] |> Enum.concat() |> ActivityPub.fetch_activities_query(opts) - |> write(dir, "outbox", fn a -> - with {:ok, activity} <- Transmogrifier.prepare_outgoing(a.data) do - {:ok, Map.delete(activity, "@context")} - end - end) + |> write( + dir, + "outbox", + fn a -> + with {:ok, activity} <- Transmogrifier.prepare_outgoing(a.data) do + {:ok, Map.delete(activity, "@context")} + end + end, + caller_pid + ) end end diff --git a/lib/pleroma/web/api_spec/operations/pleroma_backup_operation.ex b/lib/pleroma/web/api_spec/operations/pleroma_backup_operation.ex index 45fa2b058..400f3825d 100644 --- a/lib/pleroma/web/api_spec/operations/pleroma_backup_operation.ex +++ b/lib/pleroma/web/api_spec/operations/pleroma_backup_operation.ex @@ -64,7 +64,13 @@ defp backup do content_type: %Schema{type: :string}, file_name: %Schema{type: :string}, file_size: %Schema{type: :integer}, - processed: %Schema{type: :boolean} + processed: %Schema{type: :boolean, description: "whether this backup has succeeded"}, + state: %Schema{ + type: :string, + description: "the state of the backup", + enum: ["pending", "running", "complete", "failed"] + }, + processed_number: %Schema{type: :integer, description: "the number of records processed"} }, example: %{ "content_type" => "application/zip", @@ -72,7 +78,9 @@ defp backup do "https://cofe.fe:4000/media/backups/archive-foobar-20200908T164207-Yr7vuT5Wycv-sN3kSN2iJ0k-9pMo60j9qmvRCdDqIew.zip", "file_size" => 4105, "inserted_at" => "2020-09-08T16:42:07.000Z", - "processed" => true + "processed" => true, + "state" => "complete", + "processed_number" => 20 } } end diff --git a/lib/pleroma/web/pleroma_api/views/backup_view.ex b/lib/pleroma/web/pleroma_api/views/backup_view.ex index d778590f0..20403aeee 100644 --- a/lib/pleroma/web/pleroma_api/views/backup_view.ex +++ b/lib/pleroma/web/pleroma_api/views/backup_view.ex @@ -9,12 +9,22 @@ defmodule Pleroma.Web.PleromaAPI.BackupView do alias Pleroma.Web.CommonAPI.Utils def render("show.json", %{backup: %Backup{} = backup}) do + # To deal with records before the migration + state = + if backup.state == :invalid do + if backup.processed, do: :complete, else: :failed + else + backup.state + end + %{ id: backup.id, content_type: backup.content_type, url: download_url(backup), file_size: backup.file_size, processed: backup.processed, + state: to_string(state), + processed_number: backup.processed_number, inserted_at: Utils.to_masto_date(backup.inserted_at) } end diff --git a/lib/pleroma/workers/backup_worker.ex b/lib/pleroma/workers/backup_worker.ex index 12ee70f00..a485ddb4b 100644 --- a/lib/pleroma/workers/backup_worker.ex +++ b/lib/pleroma/workers/backup_worker.ex @@ -51,7 +51,7 @@ def perform(%Job{args: %{"op" => "delete", "backup_id" => backup_id}}) do end @impl Oban.Worker - def timeout(_job), do: :timer.seconds(900) + def timeout(_job), do: :infinity defp has_email?(user) do not is_nil(user.email) and user.email != "" diff --git a/priv/repo/migrations/20221216052127_add_state_to_backups.exs b/priv/repo/migrations/20221216052127_add_state_to_backups.exs new file mode 100644 index 000000000..73b30fc35 --- /dev/null +++ b/priv/repo/migrations/20221216052127_add_state_to_backups.exs @@ -0,0 +1,21 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2022 Pleroma Authors +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Repo.Migrations.AddStateToBackups do + use Ecto.Migration + + def up do + alter table(:backups) do + add(:state, :integer, default: 5) + add(:processed_number, :integer, default: 0) + end + end + + def down do + alter table(:backups) do + remove(:state) + remove(:processed_number) + end + end +end diff --git a/test/pleroma/user/backup_test.exs b/test/pleroma/user/backup_test.exs index 5c9b94000..066bf6ba8 100644 --- a/test/pleroma/user/backup_test.exs +++ b/test/pleroma/user/backup_test.exs @@ -39,7 +39,7 @@ test "it creates a backup record and an Oban job" do assert_enqueued(worker: BackupWorker, args: args) backup = Backup.get(args["backup_id"]) - assert %Backup{user_id: ^user_id, processed: false, file_size: 0} = backup + assert %Backup{user_id: ^user_id, processed: false, file_size: 0, state: :pending} = backup end test "it return an error if the export limit is over" do @@ -59,7 +59,30 @@ test "it process a backup record" do assert {:ok, %Oban.Job{args: %{"backup_id" => backup_id} = args}} = Backup.create(user) assert {:ok, backup} = perform_job(BackupWorker, args) assert backup.file_size > 0 - assert %Backup{id: ^backup_id, processed: true, user_id: ^user_id} = backup + assert %Backup{id: ^backup_id, processed: true, user_id: ^user_id, state: :complete} = backup + + delete_job_args = %{"op" => "delete", "backup_id" => backup_id} + + assert_enqueued(worker: BackupWorker, args: delete_job_args) + assert {:ok, backup} = perform_job(BackupWorker, delete_job_args) + refute Backup.get(backup_id) + + email = Pleroma.Emails.UserEmail.backup_is_ready_email(backup) + + assert_email_sent( + to: {user.name, user.email}, + html_body: email.html_body + ) + end + + test "it updates states of the backup" do + clear_config([Pleroma.Upload, :uploader], Pleroma.Uploaders.Local) + %{id: user_id} = user = insert(:user) + + assert {:ok, %Oban.Job{args: %{"backup_id" => backup_id} = args}} = Backup.create(user) + assert {:ok, backup} = perform_job(BackupWorker, args) + assert backup.file_size > 0 + assert %Backup{id: ^backup_id, processed: true, user_id: ^user_id, state: :complete} = backup delete_job_args = %{"op" => "delete", "backup_id" => backup_id} @@ -148,7 +171,7 @@ test "it creates a zip archive with user data" do Bookmark.create(user.id, status3.id) assert {:ok, backup} = user |> Backup.new() |> Repo.insert() - assert {:ok, path} = Backup.export(backup) + assert {:ok, path} = Backup.export(backup, self()) assert {:ok, zipfile} = :zip.zip_open(String.to_charlist(path), [:memory]) assert {:ok, {'actor.json', json}} = :zip.zip_get('actor.json', zipfile) @@ -230,6 +253,73 @@ test "it creates a zip archive with user data" do File.rm!(path) end + test "it counts the correct number processed" do + user = insert(:user, %{nickname: "cofe", name: "Cofe", ap_id: "http://cofe.io/users/cofe"}) + + Enum.map(1..120, fn i -> + {:ok, status} = CommonAPI.post(user, %{status: "status #{i}"}) + CommonAPI.favorite(user, status.id) + Bookmark.create(user.id, status.id) + end) + + assert {:ok, backup} = user |> Backup.new() |> Repo.insert() + {:ok, backup} = Backup.process(backup) + + assert backup.processed_number == 1 + 120 + 120 + 120 + + Backup.delete(backup) + end + + test "it handles errors" do + user = insert(:user, %{nickname: "cofe", name: "Cofe", ap_id: "http://cofe.io/users/cofe"}) + + Enum.map(1..120, fn i -> + {:ok, _status} = CommonAPI.post(user, %{status: "status #{i}"}) + end) + + assert {:ok, backup} = user |> Backup.new() |> Repo.insert() + + with_mock Pleroma.Web.ActivityPub.Transmogrifier, + [:passthrough], + prepare_outgoing: fn data -> + object = + data["object"] + |> Pleroma.Object.normalize(fetch: false) + |> Map.get(:data) + + data = data |> Map.put("object", object) + + if String.contains?(data["object"]["content"], "119"), + do: raise(%Postgrex.Error{}), + else: {:ok, data} + end do + {:ok, backup} = Backup.process(backup) + assert backup.processed + assert backup.state == :complete + assert backup.processed_number == 1 + 119 + + Backup.delete(backup) + end + end + + test "it handles unrecoverable exceptions" do + user = insert(:user, %{nickname: "cofe", name: "Cofe", ap_id: "http://cofe.io/users/cofe"}) + + assert {:ok, backup} = user |> Backup.new() |> Repo.insert() + + with_mock Backup, [:passthrough], do_process: fn _, _ -> raise "mock exception" end do + {:error, %{backup: backup, reason: :exit}} = Backup.process(backup) + + assert backup.state == :failed + end + + with_mock Backup, [:passthrough], do_process: fn _, _ -> Process.sleep(:timer.seconds(32)) end do + {:error, %{backup: backup, reason: :timeout}} = Backup.process(backup) + + assert backup.state == :failed + end + end + describe "it uploads and deletes a backup archive" do setup do clear_config([Pleroma.Upload, :base_url], "https://s3.amazonaws.com") @@ -246,7 +336,7 @@ test "it creates a zip archive with user data" do Bookmark.create(user.id, status3.id) assert {:ok, backup} = user |> Backup.new() |> Repo.insert() - assert {:ok, path} = Backup.export(backup) + assert {:ok, path} = Backup.export(backup, self()) [path: path, backup: backup] end diff --git a/test/pleroma/web/pleroma_api/views/backup_view_test.exs b/test/pleroma/web/pleroma_api/views/backup_view_test.exs index a86688bc4..6908463d6 100644 --- a/test/pleroma/web/pleroma_api/views/backup_view_test.exs +++ b/test/pleroma/web/pleroma_api/views/backup_view_test.exs @@ -15,4 +15,43 @@ test "it renders the ID" do result = BackupView.render("show.json", backup: backup) assert result.id == backup.id end + + test "it renders the state and processed_number" do + user = insert(:user) + backup = Backup.new(user) + + result = BackupView.render("show.json", backup: backup) + assert result.state == to_string(backup.state) + assert result.processed_number == backup.processed_number + end + + test "it renders failed state with legacy records" do + backup = %Backup{ + id: 0, + content_type: "application/zip", + file_name: "dummy", + file_size: 1, + state: :invalid, + processed: true, + processed_number: 1, + inserted_at: NaiveDateTime.utc_now() + } + + result = BackupView.render("show.json", backup: backup) + assert result.state == "complete" + + backup = %Backup{ + id: 0, + content_type: "application/zip", + file_name: "dummy", + file_size: 1, + state: :invalid, + processed: false, + processed_number: 1, + inserted_at: NaiveDateTime.utc_now() + } + + result = BackupView.render("show.json", backup: backup) + assert result.state == "failed" + end end