From 3e90f688f14310e92fe9343f2680c58d74f71cb6 Mon Sep 17 00:00:00 2001 From: Ivan Tashkinov Date: Thu, 6 Dec 2018 10:26:17 +0300 Subject: [PATCH] [#210] Mastodon: actor storing for media uploads, ownership check to update_media. Refactoring. --- lib/pleroma/object.ex | 9 +++++- lib/pleroma/web/activity_pub/activity_pub.ex | 8 ++++- .../web/mastodon_api/mastodon_api_controller.ex | 34 ++++++++++------------ lib/pleroma/web/twitter_api/twitter_api.ex | 6 +--- .../web/twitter_api/twitter_api_controller.ex | 2 +- .../mastodon_api/mastodon_api_controller_test.exs | 6 +++- 6 files changed, 38 insertions(+), 27 deletions(-) diff --git a/lib/pleroma/object.ex b/lib/pleroma/object.ex index 03a75dfbd..31c8dd5bd 100644 --- a/lib/pleroma/object.ex +++ b/lib/pleroma/object.ex @@ -1,6 +1,6 @@ defmodule Pleroma.Object do use Ecto.Schema - alias Pleroma.{Repo, Object, Activity} + alias Pleroma.{Repo, Object, User, Activity} import Ecto.{Query, Changeset} schema "objects" do @@ -31,6 +31,13 @@ defmodule Pleroma.Object do 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 + if Mix.env() == :test do def get_cached_by_ap_id(ap_id) do get_by_ap_id(ap_id) diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex index 39692163f..aaf9d3854 100644 --- a/lib/pleroma/web/activity_pub/activity_pub.ex +++ b/lib/pleroma/web/activity_pub/activity_pub.ex @@ -574,7 +574,13 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do def upload(file, opts \\ []) do with {:ok, data} <- Upload.store(file, opts) do - obj_data = if opts[:actor], do: Map.put(data, "actor", opts[:actor]), else: data + obj_data = + if opts[:actor] do + Map.put(data, "actor", opts[:actor]) + else + data + end + Repo.insert(%Object{data: obj_data}) end end diff --git a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex index 543fdf416..ef204f7f3 100644 --- a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex +++ b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex @@ -433,33 +433,31 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do |> json([]) end - def update_media(%{assigns: %{user: _}} = conn, data) do + def update_media(%{assigns: %{user: user}} = conn, data) do with %Object{} = object <- Repo.get(Object, data["id"]), + true <- Object.authorize_mutation(object, user), true <- is_binary(data["description"]), description <- data["description"] do new_data = %{object.data | "name" => description} - change = Object.change(object, %{data: new_data}) - {:ok, _} = Repo.update(change) + {:ok, _} = + object + |> Object.change(%{data: new_data}) + |> Repo.update() - data = - new_data - |> Map.put("id", object.id) - - render(conn, StatusView, "attachment.json", %{attachment: data}) + attachment_data = Map.put(new_data, "id", object.id) + render(conn, StatusView, "attachment.json", %{attachment: attachment_data}) end end - def upload(%{assigns: %{user: _}} = conn, %{"file" => file} = data) do - with {:ok, object} <- ActivityPub.upload(file, description: Map.get(data, "description")) do - change = Object.change(object, %{data: object.data}) - {:ok, object} = Repo.update(change) - - objdata = - object.data - |> Map.put("id", object.id) - - render(conn, StatusView, "attachment.json", %{attachment: objdata}) + def upload(%{assigns: %{user: user}} = conn, %{"file" => file} = data) do + with {:ok, object} <- + ActivityPub.upload(file, + actor: User.ap_id(user), + description: Map.get(data, "description") + ) do + attachment_data = Map.put(object.data, "id", object.id) + render(conn, StatusView, "attachment.json", %{attachment: attachment_data}) end end diff --git a/lib/pleroma/web/twitter_api/twitter_api.ex b/lib/pleroma/web/twitter_api/twitter_api.ex index b9468ab03..9c485d965 100644 --- a/lib/pleroma/web/twitter_api/twitter_api.ex +++ b/lib/pleroma/web/twitter_api/twitter_api.ex @@ -93,12 +93,8 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPI do end end - def ap_upload(%Plug.Upload{} = file, %User{} = user) do - ActivityPub.upload(file, actor: User.ap_id(user)) - end - def upload(%Plug.Upload{} = file, %User{} = user, format \\ "xml") do - {:ok, object} = ap_upload(file, user) + {:ok, object} = ActivityPub.upload(file, actor: User.ap_id(user)) url = List.first(object.data["url"]) href = url["href"] diff --git a/lib/pleroma/web/twitter_api/twitter_api_controller.ex b/lib/pleroma/web/twitter_api/twitter_api_controller.ex index 2f12131e7..c19ee230f 100644 --- a/lib/pleroma/web/twitter_api/twitter_api_controller.ex +++ b/lib/pleroma/web/twitter_api/twitter_api_controller.ex @@ -239,7 +239,7 @@ defmodule Pleroma.Web.TwitterAPI.Controller do !object -> {halt(conn), :not_found, ""} - object.data["actor"] != User.ap_id(user) -> + !Object.authorize_mutation(object, user) -> {halt(conn), :forbidden, "You can only update your own uploads."} !is_binary(description) -> diff --git a/test/web/mastodon_api/mastodon_api_controller_test.exs b/test/web/mastodon_api/mastodon_api_controller_test.exs index b5839cff1..d952cecc8 100644 --- a/test/web/mastodon_api/mastodon_api_controller_test.exs +++ b/test/web/mastodon_api/mastodon_api_controller_test.exs @@ -2,7 +2,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIControllerTest do use Pleroma.Web.ConnCase alias Pleroma.Web.TwitterAPI.TwitterAPI - alias Pleroma.{Repo, User, Activity, Notification} + alias Pleroma.{Repo, User, Object, Activity, Notification} alias Pleroma.Web.{OStatus, CommonAPI} alias Pleroma.Web.ActivityPub.ActivityPub @@ -959,6 +959,10 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIControllerTest do assert media["type"] == "image" assert media["description"] == desc + assert media["id"] + + object = Repo.get(Object, media["id"]) + assert object.data["actor"] == User.ap_id(user) end test "hashtag timeline", %{conn: conn} do