logo

pleroma

My custom branche(s) on git.pleroma.social/pleroma/pleroma
commit: 56b5b9aa276c0a302c89dc7ca02c18fdc4645e56
parent: 66ebd88634d2093fc6c4f9f90d5e32a4f2638696
Author: lain <lain@soykaf.club>
Date:   Mon,  3 Aug 2020 14:22:11 +0000

Merge branch 'follower-mrf-again' into 'develop'

Follower mrf again

See merge request pleroma/pleroma!2833

Diffstat:

Mconfig/config.exs1+
Mconfig/description.exs6++++++
Mdocs/configuration/cheatsheet.md1+
Mlib/pleroma/following_relationship.ex6+++++-
Mlib/pleroma/web/activity_pub/mrf/simple_policy.ex31+++++++++++++++++++++++++++++++
Mtest/web/activity_pub/mrf/simple_policy_test.exs60++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
6 files changed, 104 insertions(+), 1 deletion(-)

diff --git a/config/config.exs b/config/config.exs @@ -374,6 +374,7 @@ config :pleroma, :mrf_simple, federated_timeline_removal: [], report_removal: [], reject: [], + followers_only: [], accept: [], avatar_removal: [], banner_removal: [], diff --git a/config/description.exs b/config/description.exs @@ -1543,6 +1543,12 @@ config :pleroma, :config_description, [ suggestions: ["example.com", "*.example.com"] }, %{ + key: :followers_only, + type: {:list, :string}, + description: "Force posts from the given instances to be visible by followers only", + suggestions: ["example.com", "*.example.com"] + }, + %{ key: :report_removal, type: {:list, :string}, description: "List of instances to reject reports from", diff --git a/docs/configuration/cheatsheet.md b/docs/configuration/cheatsheet.md @@ -125,6 +125,7 @@ To add configuration to your config file, you can copy it from the base config. * `federated_timeline_removal`: List of instances to remove from Federated (aka The Whole Known Network) Timeline. * `reject`: List of instances to reject any activities from. * `accept`: List of instances to accept any activities from. +* `followers_only`: List of instances to decrease post visibility to only the followers, including for DM mentions. * `report_removal`: List of instances to reject reports from. * `avatar_removal`: List of instances to strip avatars from. * `banner_removal`: List of instances to strip banners from. diff --git a/lib/pleroma/following_relationship.ex b/lib/pleroma/following_relationship.ex @@ -95,7 +95,11 @@ defmodule Pleroma.FollowingRelationship do |> where([r], r.state == ^:follow_accept) end - def followers_ap_ids(%User{} = user, from_ap_ids \\ nil) do + def followers_ap_ids(user, from_ap_ids \\ nil) + + def followers_ap_ids(_, []), do: [] + + def followers_ap_ids(%User{} = user, from_ap_ids) do query = user |> followers_query() diff --git a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex @@ -7,6 +7,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do @behaviour Pleroma.Web.ActivityPub.MRF alias Pleroma.Config + alias Pleroma.FollowingRelationship alias Pleroma.User alias Pleroma.Web.ActivityPub.MRF @@ -108,6 +109,35 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do {:ok, object} end + defp intersection(list1, list2) do + list1 -- list1 -- list2 + end + + defp check_followers_only(%{host: actor_host} = _actor_info, object) do + followers_only = + Config.get([:mrf_simple, :followers_only]) + |> MRF.subdomains_regex() + + object = + with true <- MRF.subdomain_match?(followers_only, actor_host), + user <- User.get_cached_by_ap_id(object["actor"]) do + # Don't use Map.get/3 intentionally, these must not be nil + fixed_to = object["to"] || [] + fixed_cc = object["cc"] || [] + + to = FollowingRelationship.followers_ap_ids(user, fixed_to) + cc = FollowingRelationship.followers_ap_ids(user, fixed_cc) + + object + |> Map.put("to", intersection([user.follower_address | to], fixed_to)) + |> Map.put("cc", intersection([user.follower_address | cc], fixed_cc)) + else + _ -> object + end + + {:ok, object} + end + defp check_report_removal(%{host: actor_host} = _actor_info, %{"type" => "Flag"} = object) do report_removal = Config.get([:mrf_simple, :report_removal]) @@ -174,6 +204,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do {:ok, object} <- check_media_removal(actor_info, object), {:ok, object} <- check_media_nsfw(actor_info, object), {:ok, object} <- check_ftl_removal(actor_info, object), + {:ok, object} <- check_followers_only(actor_info, object), {:ok, object} <- check_report_removal(actor_info, object) do {:ok, object} else diff --git a/test/web/activity_pub/mrf/simple_policy_test.exs b/test/web/activity_pub/mrf/simple_policy_test.exs @@ -7,6 +7,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicyTest do import Pleroma.Factory alias Pleroma.Config alias Pleroma.Web.ActivityPub.MRF.SimplePolicy + alias Pleroma.Web.CommonAPI setup do: clear_config(:mrf_simple, @@ -15,6 +16,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicyTest do federated_timeline_removal: [], report_removal: [], reject: [], + followers_only: [], accept: [], avatar_removal: [], banner_removal: [], @@ -261,6 +263,64 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicyTest do end end + describe "when :followers_only" do + test "is empty" do + Config.put([:mrf_simple, :followers_only], []) + {_, ftl_message} = build_ftl_actor_and_message() + local_message = build_local_message() + + assert SimplePolicy.filter(ftl_message) == {:ok, ftl_message} + assert SimplePolicy.filter(local_message) == {:ok, local_message} + end + + test "has a matching host" do + actor = insert(:user) + following_user = insert(:user) + non_following_user = insert(:user) + + {:ok, _, _, _} = CommonAPI.follow(following_user, actor) + + activity = %{ + "actor" => actor.ap_id, + "to" => [ + "https://www.w3.org/ns/activitystreams#Public", + following_user.ap_id, + non_following_user.ap_id + ], + "cc" => [actor.follower_address, "http://foo.bar/qux"] + } + + dm_activity = %{ + "actor" => actor.ap_id, + "to" => [ + following_user.ap_id, + non_following_user.ap_id + ], + "cc" => [] + } + + actor_domain = + activity + |> Map.fetch!("actor") + |> URI.parse() + |> Map.fetch!(:host) + + Config.put([:mrf_simple, :followers_only], [actor_domain]) + + assert {:ok, new_activity} = SimplePolicy.filter(activity) + assert actor.follower_address in new_activity["cc"] + assert following_user.ap_id in new_activity["to"] + refute "https://www.w3.org/ns/activitystreams#Public" in new_activity["to"] + refute "https://www.w3.org/ns/activitystreams#Public" in new_activity["cc"] + refute non_following_user.ap_id in new_activity["to"] + refute non_following_user.ap_id in new_activity["cc"] + + assert {:ok, new_dm_activity} = SimplePolicy.filter(dm_activity) + assert new_dm_activity["to"] == [following_user.ap_id] + assert new_dm_activity["cc"] == [] + end + end + describe "when :accept" do test "is empty" do Config.put([:mrf_simple, :accept], [])