X-Git-Url: https://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Factivity_pub%2Fmrf%2Fanti_link_spam_policy.ex;h=6885df8639d82f1bb48dad8784c28846d2a6dc8a;hb=1f863f0a36ebb0648c3d39ecb7ea9e3d01deab60;hp=2da3eac2f975a722f492e4b22094b4f8bbee92bc;hpb=182f7bbb1170c44eac4ab4a9efa4ff0bff991c98;p=akkoma diff --git a/lib/pleroma/web/activity_pub/mrf/anti_link_spam_policy.ex b/lib/pleroma/web/activity_pub/mrf/anti_link_spam_policy.ex index 2da3eac2f..6885df863 100644 --- a/lib/pleroma/web/activity_pub/mrf/anti_link_spam_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/anti_link_spam_policy.ex @@ -1,20 +1,26 @@ # Pleroma: A lightweight social networking server -# Copyright © 2019 Pleroma Authors +# Copyright © 2017-2021 Pleroma Authors # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicy do alias Pleroma.User + @behaviour Pleroma.Web.ActivityPub.MRF.Policy + require Logger + @impl true + def history_awareness, do: :auto + # has the user successfully posted before? defp old_user?(%User{} = u) do - u.info.note_count > 0 || u.info.follower_count > 0 + u.note_count > 0 || u.follower_count > 0 end # does the post contain links? defp contains_links?(%{"content" => content} = _object) do content + |> Floki.parse_fragment!() |> Floki.filter_out("a.mention,a.hashtag,a[rel~=\"tag\"],a.zrl") |> Floki.attribute("a", "href") |> length() > 0 @@ -22,27 +28,34 @@ defmodule Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicy do defp contains_links?(_), do: false - def filter(%{"type" => "Create", "actor" => actor, "object" => object} = message) do - with {:ok, %User{} = u} <- User.get_or_fetch_by_ap_id(actor), + @impl true + def filter(%{"type" => type, "actor" => actor, "object" => object} = message) + when type in ["Create", "Update"] do + with {:ok, %User{local: false} = u} <- User.get_or_fetch_by_ap_id(actor), {:contains_links, true} <- {:contains_links, contains_links?(object)}, {:old_user, true} <- {:old_user, old_user?(u)} do {:ok, message} else + {:ok, %User{local: true}} -> + {:ok, message} + {:contains_links, false} -> {:ok, message} {:old_user, false} -> - {:reject, nil} + {:reject, "[AntiLinkSpamPolicy] User has no posts nor followers"} {:error, _} -> - {:reject, nil} + {:reject, "[AntiLinkSpamPolicy] Failed to get or fetch user by ap_id"} e -> - Logger.warn("[MRF anti-link-spam] WTF: unhandled error #{inspect(e)}") - {:reject, nil} + {:reject, "[AntiLinkSpamPolicy] Unhandled error #{inspect(e)}"} end end # in all other cases, pass through def filter(message), do: {:ok, message} + + @impl true + def describe, do: {:ok, %{}} end