akkoma/lib/pleroma/web/plugs/basic_auth_decoder_plug.ex

32 lines
844 B
Elixir

# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 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