diff options
Diffstat (limited to 'lib/pleroma/web/activity_pub/mrf')
15 files changed, 164 insertions, 14 deletions
diff --git a/lib/pleroma/web/activity_pub/mrf/anti_followbot_policy.ex b/lib/pleroma/web/activity_pub/mrf/anti_followbot_policy.ex index 87fa514c3..de1eb4aa5 100644 --- a/lib/pleroma/web/activity_pub/mrf/anti_followbot_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/anti_followbot_policy.ex @@ -62,4 +62,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.AntiFollowbotPolicy do @impl true def filter(message), do: {:ok, message} + + @impl true + def describe, do: {:ok, %{}} end 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..b90193ca0 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 @@ -5,6 +5,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicy do alias Pleroma.User + @behaviour Pleroma.Web.ActivityPub.MRF + require Logger # has the user successfully posted before? @@ -22,6 +24,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicy do defp contains_links?(_), do: false + @impl true def filter(%{"type" => "Create", "actor" => actor, "object" => object} = message) do with {:ok, %User{} = u} <- User.get_or_fetch_by_ap_id(actor), {:contains_links, true} <- {:contains_links, contains_links?(object)}, @@ -45,4 +48,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicy do # in all other cases, pass through def filter(message), do: {:ok, message} + + @impl true + def describe, do: {:ok, %{}} end diff --git a/lib/pleroma/web/activity_pub/mrf/drop_policy.ex b/lib/pleroma/web/activity_pub/mrf/drop_policy.ex index b8d38aae6..f7831bc3e 100644 --- a/lib/pleroma/web/activity_pub/mrf/drop_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/drop_policy.ex @@ -12,4 +12,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.DropPolicy do Logger.info("REJECTING #{inspect(object)}") {:reject, object} end + + @impl true + def describe, do: {:ok, %{}} end diff --git a/lib/pleroma/web/activity_pub/mrf/ensure_re_prepended.ex b/lib/pleroma/web/activity_pub/mrf/ensure_re_prepended.ex index 15d8514be..4cc45233f 100644 --- a/lib/pleroma/web/activity_pub/mrf/ensure_re_prepended.ex +++ b/lib/pleroma/web/activity_pub/mrf/ensure_re_prepended.ex @@ -42,4 +42,6 @@ defmodule Pleroma.Web.ActivityPub.MRF.EnsureRePrepended do end def filter(object), do: {:ok, object} + + def describe, do: {:ok, %{}} end diff --git a/lib/pleroma/web/activity_pub/mrf/hellthread_policy.ex b/lib/pleroma/web/activity_pub/mrf/hellthread_policy.ex index a699f6a7e..621c9fa24 100644 --- a/lib/pleroma/web/activity_pub/mrf/hellthread_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/hellthread_policy.ex @@ -87,4 +87,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.HellthreadPolicy do @impl true def filter(message), do: {:ok, message} + + @impl true + def describe, do: {:ok, %{mrf_hellthread: Pleroma.Config.get([:mrf_hellthread])}} end diff --git a/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex b/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex index d5c341433..4852355ac 100644 --- a/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex @@ -94,4 +94,36 @@ defmodule Pleroma.Web.ActivityPub.MRF.KeywordPolicy do @impl true def filter(message), do: {:ok, message} + + @impl true + def describe do + # This horror is needed to convert regex sigils to strings + mrf_keyword = + Pleroma.Config.get(:mrf_keyword, []) + |> Enum.map(fn {key, value} -> + {key, + Enum.map(value, fn + {pattern, replacement} -> + %{ + "pattern" => + if not is_binary(pattern) do + inspect(pattern) + else + pattern + end, + "replacement" => replacement + } + + pattern -> + if not is_binary(pattern) do + inspect(pattern) + else + pattern + end + end)} + end) + |> Enum.into(%{}) + + {:ok, %{mrf_keyword: mrf_keyword}} + end end diff --git a/lib/pleroma/web/activity_pub/mrf/no_placeholder_text_policy.ex b/lib/pleroma/web/activity_pub/mrf/no_placeholder_text_policy.ex index f30fee0d5..3ae81e025 100644 --- a/lib/pleroma/web/activity_pub/mrf/no_placeholder_text_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/no_placeholder_text_policy.ex @@ -27,4 +27,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.NoPlaceholderTextPolicy do @impl true def filter(object), do: {:ok, object} + + @impl true + def describe, do: {:ok, %{}} end diff --git a/lib/pleroma/web/activity_pub/mrf/noop_policy.ex b/lib/pleroma/web/activity_pub/mrf/noop_policy.ex index c47cb3298..878c57925 100644 --- a/lib/pleroma/web/activity_pub/mrf/noop_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/noop_policy.ex @@ -10,4 +10,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.NoOpPolicy do def filter(object) do {:ok, object} end + + @impl true + def describe, do: {:ok, %{}} end diff --git a/lib/pleroma/web/activity_pub/mrf/normalize_markup.ex b/lib/pleroma/web/activity_pub/mrf/normalize_markup.ex index 9c87c6963..62ed379f1 100644 --- a/lib/pleroma/web/activity_pub/mrf/normalize_markup.ex +++ b/lib/pleroma/web/activity_pub/mrf/normalize_markup.ex @@ -25,4 +25,6 @@ defmodule Pleroma.Web.ActivityPub.MRF.NormalizeMarkup do end def filter(object), do: {:ok, object} + + def describe, do: {:ok, %{}} end diff --git a/lib/pleroma/web/activity_pub/mrf/reject_non_public.ex b/lib/pleroma/web/activity_pub/mrf/reject_non_public.ex index ea3df1b4d..adaeb1c91 100644 --- a/lib/pleroma/web/activity_pub/mrf/reject_non_public.ex +++ b/lib/pleroma/web/activity_pub/mrf/reject_non_public.ex @@ -48,4 +48,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.RejectNonPublic do @impl true def filter(object), do: {:ok, object} + + @impl true + def describe, do: {:ok, %{mrf_rejectnonpublic: Pleroma.Config.get([:mrf_rejectnonpublic])}} end diff --git a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex index 433d23c5f..56ff47304 100644 --- a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex @@ -4,22 +4,29 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do alias Pleroma.User + alias Pleroma.Web.ActivityPub.MRF @moduledoc "Filter activities depending on their origin instance" - @behaviour Pleroma.Web.ActivityPub.MRF + @behaviour MRF defp check_accept(%{host: actor_host} = _actor_info, object) do - accepts = Pleroma.Config.get([:mrf_simple, :accept]) + accepts = + Pleroma.Config.get([:mrf_simple, :accept]) + |> MRF.subdomains_regex() cond do accepts == [] -> {:ok, object} actor_host == Pleroma.Config.get([Pleroma.Web.Endpoint, :url, :host]) -> {:ok, object} - Enum.member?(accepts, actor_host) -> {:ok, object} + MRF.subdomain_match?(accepts, actor_host) -> {:ok, object} true -> {:reject, nil} end end defp check_reject(%{host: actor_host} = _actor_info, object) do - if Enum.member?(Pleroma.Config.get([:mrf_simple, :reject]), actor_host) do + rejects = + Pleroma.Config.get([:mrf_simple, :reject]) + |> MRF.subdomains_regex() + + if MRF.subdomain_match?(rejects, actor_host) do {:reject, nil} else {:ok, object} @@ -31,8 +38,12 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do %{"type" => "Create", "object" => %{"attachment" => child_attachment}} = object ) when length(child_attachment) > 0 do + media_removal = + Pleroma.Config.get([:mrf_simple, :media_removal]) + |> MRF.subdomains_regex() + object = - if Enum.member?(Pleroma.Config.get([:mrf_simple, :media_removal]), actor_host) do + if MRF.subdomain_match?(media_removal, actor_host) do child_object = Map.delete(object["object"], "attachment") Map.put(object, "object", child_object) else @@ -51,8 +62,12 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do "object" => child_object } = object ) do + media_nsfw = + Pleroma.Config.get([:mrf_simple, :media_nsfw]) + |> MRF.subdomains_regex() + object = - if Enum.member?(Pleroma.Config.get([:mrf_simple, :media_nsfw]), actor_host) do + if MRF.subdomain_match?(media_nsfw, actor_host) do tags = (child_object["tag"] || []) ++ ["nsfw"] child_object = Map.put(child_object, "tag", tags) child_object = Map.put(child_object, "sensitive", true) @@ -67,12 +82,12 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do defp check_media_nsfw(_actor_info, object), do: {:ok, object} defp check_ftl_removal(%{host: actor_host} = _actor_info, object) do + timeline_removal = + Pleroma.Config.get([:mrf_simple, :federated_timeline_removal]) + |> MRF.subdomains_regex() + object = - with true <- - Enum.member?( - Pleroma.Config.get([:mrf_simple, :federated_timeline_removal]), - actor_host - ), + with true <- MRF.subdomain_match?(timeline_removal, actor_host), user <- User.get_cached_by_ap_id(object["actor"]), true <- "https://www.w3.org/ns/activitystreams#Public" in object["to"] do to = @@ -94,7 +109,11 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do end defp check_report_removal(%{host: actor_host} = _actor_info, %{"type" => "Flag"} = object) do - if actor_host in Pleroma.Config.get([:mrf_simple, :report_removal]) do + report_removal = + Pleroma.Config.get([:mrf_simple, :report_removal]) + |> MRF.subdomains_regex() + + if MRF.subdomain_match?(report_removal, actor_host) do {:reject, nil} else {:ok, object} @@ -104,7 +123,11 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do defp check_report_removal(_actor_info, object), do: {:ok, object} defp check_avatar_removal(%{host: actor_host} = _actor_info, %{"icon" => _icon} = object) do - if actor_host in Pleroma.Config.get([:mrf_simple, :avatar_removal]) do + avatar_removal = + Pleroma.Config.get([:mrf_simple, :avatar_removal]) + |> MRF.subdomains_regex() + + if MRF.subdomain_match?(avatar_removal, actor_host) do {:ok, Map.delete(object, "icon")} else {:ok, object} @@ -114,7 +137,11 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do defp check_avatar_removal(_actor_info, object), do: {:ok, object} defp check_banner_removal(%{host: actor_host} = _actor_info, %{"image" => _image} = object) do - if actor_host in Pleroma.Config.get([:mrf_simple, :banner_removal]) do + banner_removal = + Pleroma.Config.get([:mrf_simple, :banner_removal]) + |> MRF.subdomains_regex() + + if MRF.subdomain_match?(banner_removal, actor_host) do {:ok, Map.delete(object, "image")} else {:ok, object} @@ -152,4 +179,16 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do end def filter(object), do: {:ok, object} + + @impl true + def describe do + exclusions = Pleroma.Config.get([:instance, :mrf_transparency_exclusions]) + + mrf_simple = + Pleroma.Config.get(:mrf_simple) + |> Enum.map(fn {k, v} -> {k, Enum.reject(v, fn v -> v in exclusions end)} end) + |> Enum.into(%{}) + + {:ok, %{mrf_simple: mrf_simple}} + end end diff --git a/lib/pleroma/web/activity_pub/mrf/subchain_policy.ex b/lib/pleroma/web/activity_pub/mrf/subchain_policy.ex index 765704389..566c1e191 100644 --- a/lib/pleroma/web/activity_pub/mrf/subchain_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/subchain_policy.ex @@ -37,4 +37,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SubchainPolicy do @impl true def filter(message), do: {:ok, message} + + @impl true + def describe, do: {:ok, %{}} end diff --git a/lib/pleroma/web/activity_pub/mrf/tag_policy.ex b/lib/pleroma/web/activity_pub/mrf/tag_policy.ex index 6683b8d8e..2e2292aff 100644 --- a/lib/pleroma/web/activity_pub/mrf/tag_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/tag_policy.ex @@ -149,4 +149,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.TagPolicy do @impl true def filter(message), do: {:ok, message} + + @impl true + def describe, do: {:ok, %{}} end diff --git a/lib/pleroma/web/activity_pub/mrf/user_allowlist.ex b/lib/pleroma/web/activity_pub/mrf/user_allowlist.ex index 47663414a..f77d1a3a3 100644 --- a/lib/pleroma/web/activity_pub/mrf/user_allowlist.ex +++ b/lib/pleroma/web/activity_pub/mrf/user_allowlist.ex @@ -27,4 +27,13 @@ defmodule Pleroma.Web.ActivityPub.MRF.UserAllowListPolicy do end def filter(object), do: {:ok, object} + + @impl true + def describe do + mrf_user_allowlist = + Config.get([:mrf_user_allowlist], []) + |> Enum.into(%{}, fn {k, v} -> {k, length(v)} end) + + {:ok, %{mrf_user_allowlist: mrf_user_allowlist}} + end end diff --git a/lib/pleroma/web/activity_pub/mrf/vocabulary_policy.ex b/lib/pleroma/web/activity_pub/mrf/vocabulary_policy.ex new file mode 100644 index 000000000..74da8d57e --- /dev/null +++ b/lib/pleroma/web/activity_pub/mrf/vocabulary_policy.ex @@ -0,0 +1,36 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.ActivityPub.MRF.VocabularyPolicy do + @moduledoc "Filter messages which belong to certain activity vocabularies" + + @behaviour Pleroma.Web.ActivityPub.MRF + + def filter(%{"type" => "Undo", "object" => child_message} = message) do + with {:ok, _} <- filter(child_message) do + {:ok, message} + else + {:reject, nil} -> + {:reject, nil} + end + end + + def filter(%{"type" => message_type} = message) do + with accepted_vocabulary <- Pleroma.Config.get([:mrf_vocabulary, :accept]), + rejected_vocabulary <- Pleroma.Config.get([:mrf_vocabulary, :reject]), + true <- + length(accepted_vocabulary) == 0 || Enum.member?(accepted_vocabulary, message_type), + false <- + length(rejected_vocabulary) > 0 && Enum.member?(rejected_vocabulary, message_type), + {:ok, _} <- filter(message["object"]) do + {:ok, message} + else + _ -> {:reject, nil} + end + end + + def filter(message), do: {:ok, message} + + def describe, do: {:ok, %{mrf_vocabulary: Pleroma.Config.get(:mrf_vocabulary)}} +end |