From 2ace2124736fbe97203b4f1949f12f7881ee0cdf Mon Sep 17 00:00:00 2001
From: FloatingGhost <hannah@coffee-and-dreams.uk>
Date: Wed, 14 Dec 2022 10:01:17 +0000
Subject: [PATCH] fix aka parsing

---
 lib/pleroma/web/activity_pub/activity_pub.ex | 5 +++++
 lib/pleroma/web/o_auth/o_auth_controller.ex  | 3 +--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index 3adb4ab54..8e55df0d8 100644
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -1531,6 +1531,10 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
   defp normalize_image(urls) when is_list(urls), do: urls |> List.first() |> normalize_image()
   defp normalize_image(_), do: nil
 
+  defp normalize_also_known_as(aka) when is_list(aka), do: aka
+  defp normalize_also_known_as(aka) when is_binary(aka), do: [aka]
+  defp normalize_also_known_as(nil), do: []
+
   defp object_to_user_data(data, additional) do
     fields =
       data
@@ -1576,6 +1580,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     also_known_as =
       data
       |> Map.get("alsoKnownAs", [])
+      |> normalize_also_known_as()
       |> Enum.filter(fn url ->
         case URI.parse(url) do
           %URI{scheme: "http"} -> true
diff --git a/lib/pleroma/web/o_auth/o_auth_controller.ex b/lib/pleroma/web/o_auth/o_auth_controller.ex
index 455af11d7..8f32e7219 100644
--- a/lib/pleroma/web/o_auth/o_auth_controller.ex
+++ b/lib/pleroma/web/o_auth/o_auth_controller.ex
@@ -558,10 +558,9 @@ defmodule Pleroma.Web.OAuth.OAuthController do
     else
       {:error, changeset} ->
         message =
-          Enum.map(changeset.errors, fn {field, {error, _}} ->
+          Enum.map_join(changeset.errors, "; ", fn {field, {error, _}} ->
             "#{field} #{error}"
           end)
-          |> Enum.join("; ")
 
         message =
           String.replace(