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plug_accesslog

0.15.0
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Plug for writing access logs

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plug_accesslog lib plug accesslog default_formatter remote_user.ex
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lib/plug/accesslog/default_formatter/remote_user.ex 

defmodule Plug.AccessLog.DefaultFormatter.RemoteUser do

  @moduledoc """

  Determines remote user.

  """



  import Plug.Conn



  @doc """

  Formats the log output.

  """

  @spec format(Plug.Conn.t()) :: iodata

  def format(conn) do

    with [<<"Basic ", credentials::binary>> | _] <- get_req_header(conn, "authorization"),

         {:ok, user_pass} <- Base.decode64(credentials),

         [user, _] <- String.split(user_pass, ":") do

      user

    else

      _ -> "-"

    end

  end

end