Mastodon API: Respect post privacy in favourited/reblogged endpoints

test/web/mastodon_api/mastodon_api_controller_test.exs

@@ -3698,7 +3698,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIControllerTest do
         build_conn()
         |> assign(:user, user)
 
-      [conn: conn, activity: activity]
+      [conn: conn, activity: activity, user: user]
     end
 
     test "returns users who have favorited the status", %{conn: conn, activity: activity} do
@@ -3758,6 +3758,32 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIControllerTest do
       [%{"id" => id}] = response
       assert id == other_user.id
     end
+
+    test "requires authentifucation for private posts", %{conn: conn, user: user} do
+      other_user = insert(:user)
+
+      {:ok, activity} =
+        CommonAPI.post(user, %{
+          "status" => "@#{other_user.nickname} wanna get some #cofe together?",
+          "visibility" => "direct"
+        })
+
+      {:ok, _, _} = CommonAPI.favorite(activity.id, other_user)
+
+      conn
+      |> assign(:user, nil)
+      |> get("/api/v1/statuses/#{activity.id}/favourited_by")
+      |> json_response(404)
+
+      response =
+        build_conn()
+        |> assign(:user, other_user)
+        |> get("/api/v1/statuses/#{activity.id}/favourited_by")
+        |> json_response(200)
+
+      [%{"id" => id}] = response
+      assert id == other_user.id
+    end
   end
 
   describe "GET /api/v1/statuses/:id/reblogged_by" do
@@ -3769,7 +3795,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIControllerTest do
         build_conn()
         |> assign(:user, user)
 
-      [conn: conn, activity: activity]
+      [conn: conn, activity: activity, user: user]
     end
 
     test "returns users who have reblogged the status", %{conn: conn, activity: activity} do
@@ -3829,6 +3855,29 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIControllerTest do
       [%{"id" => id}] = response
       assert id == other_user.id
     end
+
+    test "requires authentifucation for private posts", %{conn: conn, user: user} do
+      other_user = insert(:user)
+
+      {:ok, activity} =
+        CommonAPI.post(user, %{
+          "status" => "@#{other_user.nickname} wanna get some #cofe together?",
+          "visibility" => "direct"
+        })
+
+      conn
+      |> assign(:user, nil)
+      |> get("/api/v1/statuses/#{activity.id}/reblogged_by")
+      |> json_response(404)
+
+      response =
+        build_conn()
+        |> assign(:user, other_user)
+        |> get("/api/v1/statuses/#{activity.id}/reblogged_by")
+        |> json_response(200)
+
+      assert [] == response
+    end
   end
 
   describe "POST /auth/password, with valid parameters" do