X-Git-Url: https://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Factivity_pub%2Fmrf%2Fsimple_policy.ex;h=b7dcb1b861026622590103e1451f029fe75ecaf7;hb=282f492cd5d039e3139449e186daf3a55e8c680f;hp=2cf63d3dbf607c3b85be73ef5f3335333f22a477;hpb=4a8b5226393752e1533bddce6420f3622a5be99f;p=akkoma

diff --git a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
index 2cf63d3db..b7dcb1b86 100644
--- a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
@@ -1,12 +1,14 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.MRF
   @moduledoc "Filter activities depending on their origin instance"
-  @behaviour MRF
+  @behaviour Pleroma.Web.ActivityPub.MRF
+
+  require Pleroma.Constants
 
   defp check_accept(%{host: actor_host} = _actor_info, object) do
     accepts =
@@ -89,14 +91,10 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
     object =
       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 =
-          List.delete(object["to"], "https://www.w3.org/ns/activitystreams#Public") ++
-            [user.follower_address]
+           true <- Pleroma.Constants.as_public() in object["to"] do
+        to = List.delete(object["to"], Pleroma.Constants.as_public()) ++ [user.follower_address]
 
-        cc =
-          List.delete(object["cc"], user.follower_address) ++
-            ["https://www.w3.org/ns/activitystreams#Public"]
+        cc = List.delete(object["cc"], user.follower_address) ++ [Pleroma.Constants.as_public()]
 
         object
         |> Map.put("to", to)
@@ -150,6 +148,21 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
 
   defp check_banner_removal(_actor_info, object), do: {:ok, object}
 
+  @impl true
+  def filter(%{"type" => "Delete", "actor" => actor} = object) do
+    %{host: actor_host} = URI.parse(actor)
+
+    reject_deletes =
+      Pleroma.Config.get([:mrf_simple, :reject_deletes])
+      |> MRF.subdomains_regex()
+
+    if MRF.subdomain_match?(reject_deletes, actor_host) do
+      {:reject, nil}
+    else
+      {:ok, object}
+    end
+  end
+
   @impl true
   def filter(%{"actor" => actor} = object) do
     actor_info = URI.parse(actor)
@@ -170,7 +183,9 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
       when obj_type in ["Application", "Group", "Organization", "Person", "Service"] do
     actor_info = URI.parse(actor)
 
-    with {:ok, object} <- check_avatar_removal(actor_info, object),
+    with {:ok, object} <- check_accept(actor_info, object),
+         {:ok, object} <- check_reject(actor_info, object),
+         {:ok, object} <- check_avatar_removal(actor_info, object),
          {:ok, object} <- check_banner_removal(actor_info, object) do
       {:ok, object}
     else
@@ -179,4 +194,16 @@ 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