Source file bsmtp.ml

open Core
open Async
open Async_smtp

let main () =
  let stdin = Lazy.force Reader.stdin in
  let stdout = Lazy.force Writer.stdout in
  let pipe = Smtp_server.read_bsmtp stdin |> Pipe.map ~f:Or_error.ok_exn in
  let%bind () =
    Pipe.iter_without_pushback pipe ~f:(fun m ->
      let email = Smtp_envelope.email m in
      Writer.write stdout (Sexp.to_string_hum (Email.sexp_of_t email)))
  in
  Writer.flushed stdout
;;

let parse =
  Command.async
    ~summary:"Parse BSMTP from stdin and output as sexp"
    (Command.Param.return main)
;;

let command : Command.t = Command.group ~summary:"BSMTP tools" [ "parse", parse ]