From a0af6cba09f6c85f524d31f7d1a68948b77d9e53 Mon Sep 17 00:00:00 2001
From: Mark Felder <feld@feld.me>
Date: Thu, 8 Aug 2024 14:12:44 -0400
Subject: Added MRF.QuietReply which prevents replies to public posts from
 being published to the timelines

---
 lib/pleroma/web/activity_pub/mrf/quiet_reply.ex | 55 +++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 lib/pleroma/web/activity_pub/mrf/quiet_reply.ex

(limited to 'lib')

diff --git a/lib/pleroma/web/activity_pub/mrf/quiet_reply.ex b/lib/pleroma/web/activity_pub/mrf/quiet_reply.ex
new file mode 100644
index 000000000..8a9b2beb8
--- /dev/null
+++ b/lib/pleroma/web/activity_pub/mrf/quiet_reply.ex
@@ -0,0 +1,55 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2023 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.MRF.QuietReply do
+  require Pleroma.Constants
+
+  alias Pleroma.User
+
+  @behaviour Pleroma.Web.ActivityPub.MRF.Policy
+
+  @impl true
+  def history_awareness, do: :auto
+
+  @impl true
+  def filter(
+        %{
+          "type" => "Create",
+          "object" => %{
+            "actor" => actor,
+            "type" => "Note",
+            "to" => to,
+            "cc" => cc,
+            "inReplyTo" => in_reply_to
+          }
+        } = object
+      ) do
+    with true <- is_binary(in_reply_to),
+         false <- match?([], cc),
+         %User{follower_address: followers_collection, local: true} <-
+           User.get_by_ap_id(actor) do
+      updated_to =
+        to
+        |> Kernel.++([followers_collection])
+        |> Kernel.--([Pleroma.Constants.as_public()])
+
+      updated_cc = [Pleroma.Constants.as_public()]
+
+      updated_object =
+        object
+        |> put_in(["object", "to"], updated_to)
+        |> put_in(["object", "cc"], updated_cc)
+
+      {:ok, updated_object}
+    else
+      _ -> {:ok, object}
+    end
+  end
+
+  @impl true
+  def filter(object), do: {:ok, object}
+
+  @impl true
+  def describe, do: {:ok, %{}}
+end
-- 
cgit v1.2.3


From 5a134a46f7a59eba131c9e484d49e09394e341a8 Mon Sep 17 00:00:00 2001
From: Mark Felder <feld@feld.me>
Date: Thu, 8 Aug 2024 15:23:59 -0400
Subject: We must change to/cc in the activity and inner object

---
 lib/pleroma/web/activity_pub/mrf/quiet_reply.ex | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'lib')

diff --git a/lib/pleroma/web/activity_pub/mrf/quiet_reply.ex b/lib/pleroma/web/activity_pub/mrf/quiet_reply.ex
index 8a9b2beb8..52d92f267 100644
--- a/lib/pleroma/web/activity_pub/mrf/quiet_reply.ex
+++ b/lib/pleroma/web/activity_pub/mrf/quiet_reply.ex
@@ -16,11 +16,11 @@ defmodule Pleroma.Web.ActivityPub.MRF.QuietReply do
   def filter(
         %{
           "type" => "Create",
+          "to" => to,
+          "cc" => cc,
           "object" => %{
             "actor" => actor,
             "type" => "Note",
-            "to" => to,
-            "cc" => cc,
             "inReplyTo" => in_reply_to
           }
         } = object
@@ -38,6 +38,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.QuietReply do
 
       updated_object =
         object
+        |> Map.put("to", updated_to)
+        |> Map.put("cc", updated_cc)
         |> put_in(["object", "to"], updated_to)
         |> put_in(["object", "cc"], updated_cc)
 
-- 
cgit v1.2.3


From 471f5c81fd279ccbc0cee7196573485b8608786b Mon Sep 17 00:00:00 2001
From: Mark Felder <feld@feld.me>
Date: Mon, 12 Aug 2024 16:07:45 -0400
Subject: Add module documentation

---
 lib/pleroma/web/activity_pub/mrf/quiet_reply.ex | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'lib')

diff --git a/lib/pleroma/web/activity_pub/mrf/quiet_reply.ex b/lib/pleroma/web/activity_pub/mrf/quiet_reply.ex
index 52d92f267..ae5e2cdc7 100644
--- a/lib/pleroma/web/activity_pub/mrf/quiet_reply.ex
+++ b/lib/pleroma/web/activity_pub/mrf/quiet_reply.ex
@@ -3,6 +3,9 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.ActivityPub.MRF.QuietReply do
+  @moduledoc """
+  QuietReply alters the scope of activities from local users when replying by enforcing them to be "Unlisted" or "Quiet Public". This delivers the activity to all the expected recipients and instances, but it will not be published in the Federated / The Whole Known Network timelines. It will still be published to the Home timelines of the user's followers and visible to anyone who opens the thread.
+  """
   require Pleroma.Constants
 
   alias Pleroma.User
-- 
cgit v1.2.3