73 lines
2.2 KiB
Python
73 lines
2.2 KiB
Python
import logging
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import smtplib
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import sys
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import getopt
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from email import message_from_binary_file
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from email.policy import SMTPUTF8
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def _load_file(name) -> bytes:
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with open(name, 'rb') as f:
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return f.read()
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def _load_message(name):
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with open(name, 'rb') as f:
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return message_from_binary_file(f, policy=SMTPUTF8)
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def _send_message(host, port, from_addr, recipients, message):
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logging.info(f"From {from_addr} to {recipients} at {host}:{port}")
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try:
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smtp = smtplib.SMTP(host, port)
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return smtp.sendmail(from_addr, recipients, message.as_bytes())
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except smtplib.SMTPDataError as e:
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logging.error(f"Couldn't deliver message. Got error: {e}")
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return None
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except ConnectionRefusedError as e:
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logging.exception(f"Connection refused: {e}")
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return None
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except:
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logging.exception('Unexpected exception was thrown')
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return None
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# The poinf of this function is to do _almost_ what SMTP.sendmail does, but
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# without enforcing ASCII. We want to test Lacre with not necessarily valid
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# messages.
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def _send_bytes(host: str, port, from_addr: str, recipients, message: bytes):
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try:
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smtp = smtplib.SMTP(host, port)
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smtp.ehlo_or_helo_if_needed()
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smtp.mail(from_addr)
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for r in recipients:
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smtp.rcpt(r)
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smtp.data(message)
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except:
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logging.exception('Unexpected exception was thrown')
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logging.basicConfig(filename="test/logs/sendmail.log",
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format="%(asctime)s %(pathname)s:%(lineno)d %(levelname)s [%(funcName)s] %(message)s",
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datefmt="%Y-%m-%d %H:%M:%S",
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level=logging.DEBUG)
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sender = recipient = message = None
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opts, _ = getopt.getopt(sys.argv[1:], "f:t:m:")
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for opt, value in opts:
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if opt == "-f":
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sender = value
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logging.debug(f"Sender is {sender!r}")
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if opt == "-t":
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recipient = value
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logging.debug(f"Recipient is {recipient!r}")
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if opt == "-m":
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message = _load_file(value)
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logging.debug(f"Message is {message}")
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if message is None or sender is None or recipient is None:
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print('Use options to provide: -f sender -t recipient -m message')
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_send_bytes('localhost', 10025, sender, [recipient], message)
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