From 750b369d0469ba7ec037ff953e65473e32d7fa33 Mon Sep 17 00:00:00 2001 From: William Pitcock Date: Tue, 16 Apr 2019 18:10:15 +0000 Subject: [PATCH] activitypub: allow indirect messages from users being followed at a personal inbox --- .../web/activity_pub/activity_pub_controller.ex | 7 ++--- lib/pleroma/web/activity_pub/utils.ex | 7 ++++- .../activity_pub/activity_pub_controller_test.exs | 30 ++++++++++++++++++++++ 3 files changed, 40 insertions(+), 4 deletions(-) diff --git a/lib/pleroma/web/activity_pub/activity_pub_controller.ex b/lib/pleroma/web/activity_pub/activity_pub_controller.ex index 7091d6927..3331ebebd 100644 --- a/lib/pleroma/web/activity_pub/activity_pub_controller.ex +++ b/lib/pleroma/web/activity_pub/activity_pub_controller.ex @@ -153,9 +153,10 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do end def inbox(%{assigns: %{valid_signature: true}} = conn, %{"nickname" => nickname} = params) do - with %User{} = user <- User.get_cached_by_nickname(nickname), - true <- Utils.recipient_in_message(user.ap_id, params), - params <- Utils.maybe_splice_recipient(user.ap_id, params) do + with %User{} = recipient <- User.get_cached_by_nickname(nickname), + %User{} = actor <- User.get_or_fetch_by_ap_id(params["actor"]), + true <- Utils.recipient_in_message(recipient, actor, params), + params <- Utils.maybe_splice_recipient(recipient.ap_id, params) do Federator.incoming_ap_doc(params) json(conn, "ok") end diff --git a/lib/pleroma/web/activity_pub/utils.ex b/lib/pleroma/web/activity_pub/utils.ex index 0b53f71c3..ccc9da7c6 100644 --- a/lib/pleroma/web/activity_pub/utils.ex +++ b/lib/pleroma/web/activity_pub/utils.ex @@ -52,7 +52,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do defp recipient_in_collection(ap_id, coll) when is_list(coll), do: ap_id in coll defp recipient_in_collection(_, _), do: false - def recipient_in_message(ap_id, params) do + def recipient_in_message(%User{ap_id: ap_id} = recipient, %User{} = actor, params) do cond do recipient_in_collection(ap_id, params["to"]) -> true @@ -71,6 +71,11 @@ defmodule Pleroma.Web.ActivityPub.Utils do !params["to"] && !params["cc"] && !params["bto"] && !params["bcc"] -> true + # if the message is sent from somebody the user is following, then assume it + # is addressed to the recipient + User.following?(recipient, actor) -> + true + true -> false end diff --git a/test/web/activity_pub/activity_pub_controller_test.exs b/test/web/activity_pub/activity_pub_controller_test.exs index 8dd8e7e0a..7b1c60f15 100644 --- a/test/web/activity_pub/activity_pub_controller_test.exs +++ b/test/web/activity_pub/activity_pub_controller_test.exs @@ -253,6 +253,36 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubControllerTest do assert Activity.get_by_ap_id(data["id"]) end + test "it accepts messages from actors that are followed by the user", %{conn: conn} do + recipient = insert(:user) + actor = insert(:user, %{ap_id: "http://mastodon.example.org/users/actor"}) + + {:ok, recipient} = User.follow(recipient, actor) + + data = + File.read!("test/fixtures/mastodon-post-activity.json") + |> Poison.decode!() + + object = + data["object"] + |> Map.put("attributedTo", actor.ap_id) + + data = + data + |> Map.put("actor", actor.ap_id) + |> Map.put("object", object) + + conn = + conn + |> assign(:valid_signature, true) + |> put_req_header("content-type", "application/activity+json") + |> post("/users/#{recipient.nickname}/inbox", data) + + assert "ok" == json_response(conn, 200) + :timer.sleep(500) + assert Activity.get_by_ap_id(data["id"]) + end + test "it rejects reads from other users", %{conn: conn} do user = insert(:user) otheruser = insert(:user)