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diff --git a/lib/pleroma/helpers/auth_helper.ex b/lib/pleroma/helpers/auth_helper.ex
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+++ b/lib/pleroma/helpers/auth_helper.ex
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+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Helpers.AuthHelper do
+  alias Pleroma.Web.Plugs.OAuthScopesPlug
+
+  @doc """
+  Skips OAuth permissions (scopes) checks, assigns nil `:token`.
+  Intended to be used with explicit authentication and only when OAuth token cannot be determined.
+  """
+  def skip_oauth(conn) do
+    conn
+    |> Plug.Conn.assign(:token, nil)
+    |> OAuthScopesPlug.skip_plug()
+  end
+end