diff options
| -rw-r--r-- | config/config.exs | 2 | ||||
| -rw-r--r-- | docs/config.md | 3 | ||||
| -rw-r--r-- | lib/pleroma/web/activity_pub/mrf/hellthread_policy.ex | 18 |
3 files changed, 23 insertions, 0 deletions
diff --git a/config/config.exs b/config/config.exs index 65d7346de..4b8762761 100644 --- a/config/config.exs +++ b/config/config.exs @@ -163,6 +163,8 @@ config :pleroma, :mrf_rejectnonpublic, allow_followersonly: false, allow_direct: false +config :pleroma, :mrf_hellthread, threshold: 10 + config :pleroma, :mrf_simple, media_removal: [], media_nsfw: [], diff --git a/docs/config.md b/docs/config.md index c35769f21..728916f82 100644 --- a/docs/config.md +++ b/docs/config.md @@ -121,6 +121,9 @@ This section is used to configure Pleroma-FE, unless ``:managed_config`` in ``:i * `allow_followersonly`: whether to allow followers-only posts * `allow_direct`: whether to allow direct messages +## :mrf_hellthread +* `threshold`: Number of mentioned users after which the message gets discarded as spam + ## :media_proxy * `enabled`: Enables proxying of remote media to the instance’s proxy * `base_url`: The base URL to access a user-uploaded file. Useful when you want to proxy the media files via another host/CDN fronts. diff --git a/lib/pleroma/web/activity_pub/mrf/hellthread_policy.ex b/lib/pleroma/web/activity_pub/mrf/hellthread_policy.ex new file mode 100644 index 000000000..55d6ff3f0 --- /dev/null +++ b/lib/pleroma/web/activity_pub/mrf/hellthread_policy.ex @@ -0,0 +1,18 @@ +defmodule Pleroma.Web.ActivityPub.MRF.HellthreadPolicy do + @behaviour Pleroma.Web.ActivityPub.MRF + + @impl true + def filter(%{"type" => "Create"} = object) do + threshold = Pleroma.Config.get([:mrf_hellthread, :threshold]) + recipients = (object["to"] || []) ++ (object["cc"] || []) + + if length(recipients) > threshold do + {:reject, nil} + else + {:ok, object} + end + end + + @impl true + def filter(object), do: {:ok, object} +end |