(************************************************************************)
(* This file is part of SKS.  SKS is free software; you can
   redistribute it and/or modify it under the terms of the GNU General
   Public License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This program is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
   USA *)
(***********************************************************************)

(** Executable: interprets stdin as mail message and posts content to 
  specified HTTP address *)

open StdLabels
open MoreLabels
open Printf
module Unix = UnixLabels
module Map = PMap.Map
module Set = PSet.Set

(** Argument parsing *)

let anonymous = ref []

let usage_string = 
  Sys.argv.(0) ^ " sks_directory_name"

let anon_options option = 
  anonymous := option::!anonymous

let parse_spec = [ ]

let dirname = 
  Arg.parse parse_spec anon_options usage_string;
  if List.length !anonymous <> 1 
  then (
    printf "Wrong number (%d) of arguments given.  %s\n" 
	  (List.length !anonymous)
	  usage_string;
    exit (-1)
  ) else
    Filename.concat (List.hd !anonymous) "messages"

(** dumps contents of one file into another *)
let pipe_file = 
  let blocksize = 100 * 1024 in
  let buf = String.create blocksize in
  let rec pipe_file file1 file2 = 
    let bytes_read = input file1 buf 0 blocksize in
    if bytes_read <> 0 then (
      output file2 buf 0 bytes_read;
      pipe_file file1 file2
    )
  in
  pipe_file 

let run () =
  if not (Sys.file_exists dirname)
  then Unix.mkdir dirname 0o700;
  let fname = sprintf "msg-%08d" (Random.int 100000000) in
  let fname = Filename.concat dirname fname in
  let f = open_out fname in
  pipe_file stdin f;
  close_out f;
  Sys.rename fname (fname ^ ".ready")

let () = 
  Random.self_init ();
  run ()