Better error handling for ActivityPubController

lib/pleroma/web/activity_pub/activity_pub_controller.ex

@@ -27,9 +27,7 @@ def object(conn, %{"uuid" => uuid}) do
       |> json(ObjectView.render("object.json", %{object: object}))
     else
       {:public?, false} ->
-        conn
-        |> put_status(404)
-        |> json("Not found")
+        {:error, :not_found}
     end
   end
 
@@ -107,6 +105,12 @@ def inbox(conn, params) do
     json(conn, "ok")
   end
 
+  def errors(conn, {:error, :not_found}) do
+    conn
+    |> put_status(404)
+    |> json("Not found")
+  end
+
   def errors(conn, _e) do
     conn
     |> put_status(500)

lib/pleroma/web/ostatus/ostatus_controller.ex

@@ -9,12 +9,12 @@ defmodule Pleroma.Web.OStatus.OStatusController do
   alias Pleroma.Web.ActivityPub.ActivityPubController
   alias Pleroma.Web.ActivityPub.ActivityPub
 
-  def feed_redirect(conn, %{"nickname" => nickname} = params) do
+  def feed_redirect(conn, %{"nickname" => nickname}) do
     user = User.get_cached_by_nickname(nickname)
 
     case get_format(conn) do
       "html" -> Fallback.RedirectController.redirector(conn, nil)
-      "activity+json" -> ActivityPubController.user(conn, params)
+      "activity+json" -> ActivityPubController.call(conn, :user)
       _ -> redirect(conn, external: OStatus.feed_path(user))
     end
   end
@@ -68,9 +68,9 @@ def salmon_incoming(conn, _) do
     |> send_resp(200, "")
   end
 
-  def object(conn, %{"uuid" => uuid} = params) do
+  def object(conn, %{"uuid" => uuid}) do
     if get_format(conn) == "activity+json" do
-      ActivityPubController.object(conn, params)
+      ActivityPubController.call(conn, :object)
     else
       with id <- o_status_url(conn, :object, uuid),
            %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id),

test/web/activity_pub/activity_pub_controller_test.exs

@@ -4,7 +4,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubControllerTest do
   alias Pleroma.Web.ActivityPub.{UserView, ObjectView}
   alias Pleroma.{Repo, User}
   alias Pleroma.Activity
-  alias Pleroma.Web.CommonAPI
 
   describe "/users/:nickname" do
     test "it returns a json representation of the user", %{conn: conn} do