forked from AkkomaGang/akkoma
139 lines
4 KiB
Elixir
139 lines
4 KiB
Elixir
# Pleroma: A lightweight social networking server
|
|
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
|
|
# SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
defmodule Pleroma.Export do
|
|
alias Pleroma.Activity
|
|
alias Pleroma.Bookmark
|
|
alias Pleroma.User
|
|
alias Pleroma.Web.ActivityPub.ActivityPub
|
|
alias Pleroma.Web.ActivityPub.Transmogrifier
|
|
alias Pleroma.Web.ActivityPub.UserView
|
|
|
|
import Ecto.Query
|
|
|
|
@files ['actor.json', 'outbox.json', 'likes.json', 'bookmarks.json']
|
|
|
|
def run(user) do
|
|
with {:ok, path} <- create_dir(user),
|
|
:ok <- actor(path, user),
|
|
:ok <- statuses(path, user),
|
|
:ok <- likes(path, user),
|
|
:ok <- bookmarks(path, user),
|
|
{:ok, zip_path} <- :zip.create('#{path}.zip', @files, cwd: path),
|
|
{:ok, _} <- File.rm_rf(path) do
|
|
{:ok, :binary.list_to_bin(zip_path)}
|
|
end
|
|
end
|
|
|
|
def upload(zip_path) do
|
|
uploader = Pleroma.Config.get([Pleroma.Upload, :uploader])
|
|
file_name = zip_path |> String.split("/") |> List.last()
|
|
id = Ecto.UUID.generate()
|
|
|
|
upload = %Pleroma.Upload{
|
|
id: id,
|
|
name: file_name,
|
|
tempfile: zip_path,
|
|
content_type: "application/zip",
|
|
path: id <> "/" <> file_name
|
|
}
|
|
|
|
with {:ok, _} <- Pleroma.Uploaders.Uploader.put_file(uploader, upload),
|
|
:ok <- File.rm(zip_path) do
|
|
{:ok, upload}
|
|
end
|
|
end
|
|
|
|
defp actor(dir, user) do
|
|
with {:ok, json} <-
|
|
UserView.render("user.json", %{user: user})
|
|
|> Map.merge(%{"likes" => "likes.json", "bookmarks" => "bookmarks.json"})
|
|
|> Jason.encode() do
|
|
File.write(dir <> "/actor.json", json)
|
|
end
|
|
end
|
|
|
|
defp create_dir(user) do
|
|
datetime = Calendar.NaiveDateTime.Format.iso8601_basic(NaiveDateTime.utc_now())
|
|
dir = Path.join(System.tmp_dir!(), "archive-#{user.id}-#{datetime}")
|
|
|
|
with :ok <- File.mkdir(dir), do: {:ok, dir}
|
|
end
|
|
|
|
defp write_header(file, name) do
|
|
IO.write(
|
|
file,
|
|
"""
|
|
{
|
|
"@context": "https://www.w3.org/ns/activitystreams",
|
|
"id": "#{name}.json",
|
|
"type": "OrderedCollection",
|
|
"orderedItems": [
|
|
"""
|
|
)
|
|
end
|
|
|
|
defp write(query, dir, name, fun) do
|
|
path = dir <> "/#{name}.json"
|
|
|
|
with {:ok, file} <- File.open(path, [:write, :utf8]),
|
|
:ok <- write_header(file, name) do
|
|
counter = :counters.new(1, [])
|
|
|
|
query
|
|
|> Pleroma.RepoStreamer.chunk_stream(100)
|
|
|> Stream.each(fn items ->
|
|
Enum.each(items, fn i ->
|
|
with {:ok, str} <- fun.(i),
|
|
:ok <- IO.write(file, str <> ",\n") do
|
|
:counters.add(counter, 1, 1)
|
|
end
|
|
end)
|
|
end)
|
|
|> Stream.run()
|
|
|
|
total = :counters.get(counter, 1)
|
|
|
|
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
|
|
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)
|
|
end
|
|
|
|
defp likes(dir, user) 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)
|
|
end
|
|
|
|
defp statuses(dir, user) do
|
|
opts =
|
|
%{}
|
|
|> Map.put(:type, ["Create", "Announce"])
|
|
|> Map.put(:blocking_user, user)
|
|
|> Map.put(:muting_user, user)
|
|
|> Map.put(:reply_filtering_user, user)
|
|
|> Map.put(:announce_filtering_user, user)
|
|
|> Map.put(:user, user)
|
|
|
|
[[user.ap_id], User.following(user), Pleroma.List.memberships(user)]
|
|
|> Enum.concat()
|
|
|> ActivityPub.fetch_activities_query(opts)
|
|
|> write(dir, "outbox", fn a ->
|
|
with {:ok, activity} <- Transmogrifier.prepare_outgoing(a.data) do
|
|
activity |> Map.delete("@context") |> Jason.encode()
|
|
end
|
|
end)
|
|
end
|
|
end
|