basic_auth_decoder_plug.ex
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basic_auth_decoder_plug.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.Plugs.BasicAuthDecoderPlug do
	@moduledoc """
	Decodes HTTP Basic Auth information and assigns `:auth_credentials`.

	NOTE: no checks are performed at this step, auth_credentials/username could be easily faked.
	"""

	import Plug.Conn

	def init(options) do
	options
	end

	def call(conn, _opts) do
	with ["Basic " <> header] <- get_req_header(conn, "authorization"),
	{:ok, userinfo} <- Base.decode64(header),
	[username, password] <- String.split(userinfo, ":", parts: 2) do
	conn
	\|> assign(:auth_credentials, %{
	username: username,
	password: password
	})
	else
	_ -> conn
	end
	end
	end