helpers.ex
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	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.Auth.Helpers do
	alias Pleroma.User

	@doc "Gets user by nickname or email for auth."
	@spec fetch_user(String.t()) :: User.t() \| nil
	def fetch_user(name) do
	User.get_by_nickname_or_email(name)
	end

	# Gets name and password from conn
	#
	@spec fetch_credentials(Plug.Conn.t() \| map()) ::
	{:ok, {name :: any, password :: any}} \| {:error, :invalid_credentials}
	def fetch_credentials(%Plug.Conn{params: params} = _),
	do: fetch_credentials(params)

	def fetch_credentials(params) do
	case params do
	%{"authorization" => %{"name" => name, "password" => password}} ->
	{:ok, {name, password}}

	%{"grant_type" => "password", "username" => name, "password" => password} ->
	{:ok, {name, password}}

	_ ->
	{:error, :invalid_credentials}
	end
	end
	end