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-rw-r--r--lib/pleroma/web/activity_pub/activity_pub.ex12
-rw-r--r--lib/pleroma/web/activity_pub/mrf/drop_policy.ex8
-rw-r--r--lib/pleroma/web/activity_pub/mrf/noop_policy.ex5
-rw-r--r--lib/pleroma/web/activity_pub/mrf/simple_policy.ex76
-rw-r--r--lib/pleroma/web/activity_pub/transmogrifier.ex9
-rw-r--r--lib/pleroma/web/activity_pub/utils.ex3
6 files changed, 106 insertions, 7 deletions
diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index 37fbf3d6d..984d1162d 100644
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -10,6 +10,9 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
@httpoison Application.get_env(:pleroma, :httpoison)
+ @instance Application.get_env(:pleroma, :instance)
+ @rewrite_policy Keyword.get(@instance, :rewrite_policy)
+
def get_recipients(data) do
(data["to"] || []) ++ (data["cc"] || [])
end
@@ -17,7 +20,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
def insert(map, local \\ true) when is_map(map) do
with nil <- Activity.get_by_ap_id(map["id"]),
map <- lazy_put_activity_defaults(map),
- :ok <- insert_full_object(map) do
+ :ok <- insert_full_object(map),
+ {:ok, map} <- @rewrite_policy.filter(map) do
{:ok, activity} =
Repo.insert(%Activity{
data: map,
@@ -61,7 +65,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
additional
),
{:ok, activity} <- insert(create_data, local),
- :ok <- maybe_federate(activity) do
+ :ok <- maybe_federate(activity),
+ {:ok, actor} <- User.increase_note_count(actor) do
{:ok, activity}
end
end
@@ -171,7 +176,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
with Repo.delete(object),
Repo.delete_all(Activity.all_non_create_by_object_ap_id_q(id)),
{:ok, activity} <- insert(data, local),
- :ok <- maybe_federate(activity) do
+ :ok <- maybe_federate(activity),
+ {:ok, actor} <- User.decrease_note_count(user) do
{:ok, activity}
end
end
diff --git a/lib/pleroma/web/activity_pub/mrf/drop_policy.ex b/lib/pleroma/web/activity_pub/mrf/drop_policy.ex
new file mode 100644
index 000000000..4333bca28
--- /dev/null
+++ b/lib/pleroma/web/activity_pub/mrf/drop_policy.ex
@@ -0,0 +1,8 @@
+defmodule Pleroma.Web.ActivityPub.MRF.DropPolicy do
+ require Logger
+
+ def filter(object) do
+ Logger.info("REJECTING #{inspect(object)}")
+ {:reject, object}
+ end
+end
diff --git a/lib/pleroma/web/activity_pub/mrf/noop_policy.ex b/lib/pleroma/web/activity_pub/mrf/noop_policy.ex
new file mode 100644
index 000000000..9dd3acb04
--- /dev/null
+++ b/lib/pleroma/web/activity_pub/mrf/noop_policy.ex
@@ -0,0 +1,5 @@
+defmodule Pleroma.Web.ActivityPub.MRF.NoOpPolicy do
+ def filter(object) do
+ {:ok, object}
+ end
+end
diff --git a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
new file mode 100644
index 000000000..ea1af0f4d
--- /dev/null
+++ b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
@@ -0,0 +1,76 @@
+defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
+ alias Pleroma.User
+
+ @mrf_policy Application.get_env(:pleroma, :mrf_simple)
+
+ @reject Keyword.get(@mrf_policy, :reject)
+ defp check_reject(actor_info, object) do
+ if actor_info.host in @reject do
+ {:reject, nil}
+ else
+ {:ok, object}
+ end
+ end
+
+ @media_removal Keyword.get(@mrf_policy, :media_removal)
+ defp check_media_removal(actor_info, object) do
+ if actor_info.host in @media_removal do
+ child_object = Map.delete(object["object"], "attachment")
+ object = Map.put(object, "object", child_object)
+ end
+
+ {:ok, object}
+ end
+
+ @media_nsfw Keyword.get(@mrf_policy, :media_nsfw)
+ defp check_media_nsfw(actor_info, object) do
+ child_object = object["object"]
+
+ if actor_info.host in @media_nsfw and child_object["attachment"] != nil and
+ length(child_object["attachment"]) > 0 do
+ tags = (child_object["tag"] || []) ++ ["nsfw"]
+ child_object = Map.put(child_object, "tags", tags)
+ child_object = Map.put(child_object, "sensitive", true)
+ object = Map.put(object, "object", child_object)
+ end
+
+ {:ok, object}
+ end
+
+ @ftl_removal Keyword.get(@mrf_policy, :federated_timeline_removal)
+ defp check_ftl_removal(actor_info, object) do
+ if actor_info.host in @ftl_removal do
+ user = User.get_by_ap_id(object["actor"])
+
+ # flip to/cc relationship to make the post unlisted
+ if "https://www.w3.org/ns/activitystreams#Public" in object["to"] and
+ user.follower_address in object["cc"] do
+ to =
+ List.delete(object["to"], "https://www.w3.org/ns/activitystreams#Public") ++
+ [user.follower_address]
+
+ cc =
+ List.delete(object["cc"], user.follower_address) ++
+ ["https://www.w3.org/ns/activitystreams#Public"]
+
+ object = Map.put(object, "to", to)
+ object = Map.put(object, "cc", cc)
+ end
+ end
+
+ {:ok, object}
+ end
+
+ def filter(object) do
+ actor_info = URI.parse(object["actor"])
+
+ with {:ok, object} <- check_reject(actor_info, object),
+ {:ok, object} <- check_media_removal(actor_info, object),
+ {:ok, object} <- check_media_nsfw(actor_info, object),
+ {:ok, object} <- check_ftl_removal(actor_info, object) do
+ {:ok, object}
+ else
+ e -> {:reject, nil}
+ end
+ end
+end
diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex
index 00b9f74ff..2871a2544 100644
--- a/lib/pleroma/web/activity_pub/transmogrifier.ex
+++ b/lib/pleroma/web/activity_pub/transmogrifier.ex
@@ -146,7 +146,8 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
%{"type" => "Like", "object" => object_id, "actor" => actor, "id" => id} = data
) do
with %User{} = actor <- User.get_or_fetch_by_ap_id(actor),
- {:ok, object} <- get_obj_helper(object_id) || ActivityPub.fetch_object_from_id(object_id),
+ {:ok, object} <-
+ get_obj_helper(object_id) || ActivityPub.fetch_object_from_id(object_id),
{:ok, activity, object} <- ActivityPub.like(actor, object, id, false) do
{:ok, activity}
else
@@ -158,7 +159,8 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
%{"type" => "Announce", "object" => object_id, "actor" => actor, "id" => id} = data
) do
with %User{} = actor <- User.get_or_fetch_by_ap_id(actor),
- {:ok, object} <- get_obj_helper(object_id) || ActivityPub.fetch_object_from_id(object_id),
+ {:ok, object} <-
+ get_obj_helper(object_id) || ActivityPub.fetch_object_from_id(object_id),
{:ok, activity, object} <- ActivityPub.announce(actor, object, id, false) do
{:ok, activity}
else
@@ -209,7 +211,8 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
end
with %User{} = actor <- User.get_or_fetch_by_ap_id(actor),
- {:ok, object} <- get_obj_helper(object_id) || ActivityPub.fetch_object_from_id(object_id),
+ {:ok, object} <-
+ get_obj_helper(object_id) || ActivityPub.fetch_object_from_id(object_id),
{:ok, activity} <- ActivityPub.delete(object, false) do
{:ok, activity}
else
diff --git a/lib/pleroma/web/activity_pub/utils.ex b/lib/pleroma/web/activity_pub/utils.ex
index 7a0762e9f..7b2bf8fa7 100644
--- a/lib/pleroma/web/activity_pub/utils.ex
+++ b/lib/pleroma/web/activity_pub/utils.ex
@@ -175,7 +175,8 @@ defmodule Pleroma.Web.ActivityPub.Utils do
def update_element_in_object(property, element, object) do
with new_data <-
- object.data |> Map.put("#{property}_count", length(element))
+ object.data
+ |> Map.put("#{property}_count", length(element))
|> Map.put("#{property}s", element),
changeset <- Changeset.change(object, data: new_data),
{:ok, object} <- Repo.update(changeset),
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-02 00:51:16 +0000