Merge branch 'mrf-silence-2' into 'develop'

MRF silencing alternative solution

See merge request pleroma/pleroma!2820
This commit is contained in:
lain 2020-07-31 14:43:33 +00:00
commit 1ac0969c72
5 changed files with 103 additions and 1 deletions

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@ -1542,6 +1542,12 @@ config :pleroma, :config_description, [
description: "List of instances to only accept activities from (except deletes)", description: "List of instances to only accept activities from (except deletes)",
suggestions: ["example.com", "*.example.com"] 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, key: :report_removal,
type: {:list, :string}, type: {:list, :string},

View file

@ -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. * `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. * `reject`: List of instances to reject any activities from.
* `accept`: List of instances to accept 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. * `report_removal`: List of instances to reject reports from.
* `avatar_removal`: List of instances to strip avatars from. * `avatar_removal`: List of instances to strip avatars from.
* `banner_removal`: List of instances to strip banners from. * `banner_removal`: List of instances to strip banners from.

View file

@ -95,7 +95,11 @@ defmodule Pleroma.FollowingRelationship do
|> where([r], r.state == ^:follow_accept) |> where([r], r.state == ^:follow_accept)
end 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 = query =
user user
|> followers_query() |> followers_query()

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@ -7,6 +7,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
@behaviour Pleroma.Web.ActivityPub.MRF @behaviour Pleroma.Web.ActivityPub.MRF
alias Pleroma.Config alias Pleroma.Config
alias Pleroma.FollowingRelationship
alias Pleroma.User alias Pleroma.User
alias Pleroma.Web.ActivityPub.MRF alias Pleroma.Web.ActivityPub.MRF
@ -108,6 +109,35 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
{:ok, object} {:ok, object}
end 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 defp check_report_removal(%{host: actor_host} = _actor_info, %{"type" => "Flag"} = object) do
report_removal = report_removal =
Config.get([:mrf_simple, :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_removal(actor_info, object),
{:ok, object} <- check_media_nsfw(actor_info, object), {:ok, object} <- check_media_nsfw(actor_info, object),
{:ok, object} <- check_ftl_removal(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} <- check_report_removal(actor_info, object) do
{:ok, object} {:ok, object}
else else

View file

@ -7,6 +7,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicyTest do
import Pleroma.Factory import Pleroma.Factory
alias Pleroma.Config alias Pleroma.Config
alias Pleroma.Web.ActivityPub.MRF.SimplePolicy alias Pleroma.Web.ActivityPub.MRF.SimplePolicy
alias Pleroma.Web.CommonAPI
setup do: setup do:
clear_config(:mrf_simple, clear_config(:mrf_simple,
@ -15,6 +16,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicyTest do
federated_timeline_removal: [], federated_timeline_removal: [],
report_removal: [], report_removal: [],
reject: [], reject: [],
followers_only: [],
accept: [], accept: [],
avatar_removal: [], avatar_removal: [],
banner_removal: [], banner_removal: [],
@ -261,6 +263,64 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicyTest do
end end
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 describe "when :accept" do
test "is empty" do test "is empty" do
Config.put([:mrf_simple, :accept], []) Config.put([:mrf_simple, :accept], [])