X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Factivity_pub%2Fmrf%2Ftag_policy.ex;h=6683b8d8e6a294b6ab19797f5f4d495fdfd08e1a;hb=a0c65bbd6c708b555f457bf24ec07d2d41c3fe4a;hp=4d6dc9c9e4fad6f9de4dc7070c10d1f2b606f7b3;hpb=88e32a32ce6a23de12a431c57a6db8251b0e323a;p=akkoma

diff --git a/lib/pleroma/web/activity_pub/mrf/tag_policy.ex b/lib/pleroma/web/activity_pub/mrf/tag_policy.ex
index 4d6dc9c9e..6683b8d8e 100644
--- a/lib/pleroma/web/activity_pub/mrf/tag_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/tag_policy.ex
@@ -5,6 +5,19 @@
 defmodule Pleroma.Web.ActivityPub.MRF.TagPolicy do
   alias Pleroma.User
   @behaviour Pleroma.Web.ActivityPub.MRF
+  @moduledoc """
+     Apply policies based on user tags
+
+     This policy applies policies on a user activities depending on their tags
+     on your instance.
+
+     - `mrf_tag:media-force-nsfw`: Mark as sensitive on presence of attachments
+     - `mrf_tag:media-strip`: Remove attachments
+     - `mrf_tag:force-unlisted`: Mark as unlisted (removes from the federated timeline)
+     - `mrf_tag:sandbox`: Remove from public (local and federated) timelines
+     - `mrf_tag:disable-remote-subscription`: Reject non-local follow requests
+     - `mrf_tag:disable-any-subscription`: Reject any follow requests
+  """
 
   defp get_tags(%User{tags: tags}) when is_list(tags), do: tags
   defp get_tags(_), do: []
@@ -18,7 +31,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.TagPolicy do
 
     object =
       object
-      |> Map.put("tags", tags)
+      |> Map.put("tag", tags)
       |> Map.put("sensitive", true)
 
     message = Map.put(message, "object", object)
@@ -37,10 +50,84 @@ defmodule Pleroma.Web.ActivityPub.MRF.TagPolicy do
     {:ok, message}
   end
 
+  defp process_tag(
+         "mrf_tag:force-unlisted",
+         %{"type" => "Create", "to" => to, "cc" => cc, "actor" => actor} = message
+       ) do
+    user = User.get_cached_by_ap_id(actor)
+
+    if Enum.member?(to, "https://www.w3.org/ns/activitystreams#Public") do
+      to =
+        List.delete(to, "https://www.w3.org/ns/activitystreams#Public") ++ [user.follower_address]
+
+      cc =
+        List.delete(cc, user.follower_address) ++ ["https://www.w3.org/ns/activitystreams#Public"]
+
+      object =
+        message["object"]
+        |> Map.put("to", to)
+        |> Map.put("cc", cc)
+
+      message =
+        message
+        |> Map.put("to", to)
+        |> Map.put("cc", cc)
+        |> Map.put("object", object)
+
+      {:ok, message}
+    else
+      {:ok, message}
+    end
+  end
+
+  defp process_tag(
+         "mrf_tag:sandbox",
+         %{"type" => "Create", "to" => to, "cc" => cc, "actor" => actor} = message
+       ) do
+    user = User.get_cached_by_ap_id(actor)
+
+    if Enum.member?(to, "https://www.w3.org/ns/activitystreams#Public") or
+         Enum.member?(cc, "https://www.w3.org/ns/activitystreams#Public") do
+      to =
+        List.delete(to, "https://www.w3.org/ns/activitystreams#Public") ++ [user.follower_address]
+
+      cc = List.delete(cc, "https://www.w3.org/ns/activitystreams#Public")
+
+      object =
+        message["object"]
+        |> Map.put("to", to)
+        |> Map.put("cc", cc)
+
+      message =
+        message
+        |> Map.put("to", to)
+        |> Map.put("cc", cc)
+        |> Map.put("object", object)
+
+      {:ok, message}
+    else
+      {:ok, message}
+    end
+  end
+
+  defp process_tag(
+         "mrf_tag:disable-remote-subscription",
+         %{"type" => "Follow", "actor" => actor} = message
+       ) do
+    user = User.get_cached_by_ap_id(actor)
+
+    if user.local == true do
+      {:ok, message}
+    else
+      {:reject, nil}
+    end
+  end
+
+  defp process_tag("mrf_tag:disable-any-subscription", %{"type" => "Follow"}), do: {:reject, nil}
+
   defp process_tag(_, message), do: {:ok, message}
 
-  @impl true
-  def filter(%{"actor" => actor} = message) do
+  def filter_message(actor, message) do
     User.get_cached_by_ap_id(actor)
     |> get_tags()
     |> Enum.reduce({:ok, message}, fn
@@ -51,4 +138,15 @@ defmodule Pleroma.Web.ActivityPub.MRF.TagPolicy do
         error
     end)
   end
+
+  @impl true
+  def filter(%{"object" => target_actor, "type" => "Follow"} = message),
+    do: filter_message(target_actor, message)
+
+  @impl true
+  def filter(%{"actor" => actor, "type" => "Create"} = message),
+    do: filter_message(actor, message)
+
+  @impl true
+  def filter(message), do: {:ok, message}
 end