Merge branch 'remake-remodel' into develop

[akkoma] / lib / pleroma / object / containment.ex

diff --git a/lib/pleroma/object/containment.ex b/lib/pleroma/object/containment.ex
index 25bd911fb73eb1da2214cb3789790cbd779c2d55..99608b8a5540c68e367158e89590bc0c123ffc1b 100644 (file)
--- a/lib/pleroma/object/containment.ex
+++ b/lib/pleroma/object/containment.ex
@@ -1,7 +1,9 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Object.Containment do
   @moduledoc """
-  # Object Containment
-
   This module contains some useful functions for containing objects to specific
   origins and determining those origins.  They previously lived in the
   ActivityPub `Transmogrifier` module.
@@ -30,6 +32,28 @@ defmodule Pleroma.Object.Containment do
     get_actor(%{"actor" => actor})
   end
 
+  def get_object(%{"object" => id}) when is_binary(id) do
+    id
+  end
+
+  def get_object(%{"object" => %{"id" => id}}) when is_binary(id) do
+    id
+  end
+
+  def get_object(_) do
+    nil
+  end
+
+  # TODO: We explicitly allow 'tag' URIs through, due to references to legacy OStatus
+  # objects being present in the test suite environment.  Once these objects are
+  # removed, please also remove this.
+  if Mix.env() == :test do
+    defp compare_uris(_, %URI{scheme: "tag"}), do: :ok
+  end
+
+  defp compare_uris(%URI{host: host} = _id_uri, %URI{host: host} = _other_uri), do: :ok
+  defp compare_uris(_id_uri, _other_uri), do: :error
+
   @doc """
   Checks that an imported AP object's actor matches the domain it came from.
   """
@@ -39,23 +63,25 @@ defmodule Pleroma.Object.Containment do
     id_uri = URI.parse(id)
     actor_uri = URI.parse(get_actor(params))
 
-    if id_uri.host == actor_uri.host do
-      :ok
-    else
-      :error
-    end
+    compare_uris(actor_uri, id_uri)
   end
 
-  def contain_origin_from_id(_id, %{"id" => nil}), do: :error
+  def contain_origin(id, %{"attributedTo" => actor} = params),
+    do: contain_origin(id, Map.put(params, "actor", actor))
+
+  def contain_origin(_id, _data), do: :error
 
-  def contain_origin_from_id(id, %{"id" => other_id} = _params) do
+  def contain_origin_from_id(id, %{"id" => other_id} = _params) when is_binary(other_id) do
     id_uri = URI.parse(id)
     other_uri = URI.parse(other_id)
 
-    if id_uri.host == other_uri.host do
-      :ok
-    else
-      :error
-    end
+    compare_uris(id_uri, other_uri)
   end
+
+  def contain_origin_from_id(_id, _data), do: :error
+
+  def contain_child(%{"object" => %{"id" => id, "attributedTo" => _} = object}),
+    do: contain_origin(id, object)
+
+  def contain_child(_), do: :ok
 end