#!/usr/bin/python

#
#	gpg-mailgate
#
#	This file is part of the gpg-mailgate source code.
#
#	gpg-mailgate 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 3 of the License, or
#	(at your option) any later version.
#
#	gpg-mailgate source code 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 gpg-mailgate source code. If not, see <http://www.gnu.org/licenses/>.
#

from configparser import RawConfigParser
from email.mime.base import MIMEBase
from email.mime.multipart import MIMEMultipart
import copy
import email
import email.message
import email.utils
import GnuPG
import os
import re
import smtplib
import sys
import syslog
import traceback
import time


# imports for S/MIME
from M2Crypto import BIO, Rand, SMIME, X509
from email.mime.message import MIMEMessage

import logging
import lacre
import lacre.text as text
import lacre.config as conf
import lacre.mailgate as mailgate


start = time.time()
conf.load_config()
lacre.init_logging(conf.get_item('logging', 'config'))

LOG = logging.getLogger(__name__)

missing_params = conf.validate_config()
if missing_params:
	LOG.error(f"Aborting delivery! Following mandatory config parameters are missing: {missing_params!r}")
	sys.exit(lacre.EX_CONFIG)

# Read e-mail from stdin
raw = sys.stdin.read()
raw_message = email.message_from_string( raw )
from_addr = raw_message['From']
to_addrs = sys.argv[1:]

# Let's start
mailgate.sort_recipients(raw_message, from_addr, to_addrs)
(elapsed_s, process_t) = mailgate.exec_time_info(start)

LOG.info("Elapsed-time: {elapsed:.2f}s; Process-time: {process:.4f}s".format(elapsed=elapsed_s, process=process_t))