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smtp_mailer.py
118 lines | 3.8 KiB | text/x-python | PythonLexer
# -*- coding: utf-8 -*-
# Copyright (C) 2013-2018 RhodeCode GmbH
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3
# (only), as published by the Free Software Foundation.
#
# 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 Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# This program is dual-licensed. If you wish to learn more about the
# RhodeCode Enterprise Edition, including its added features, Support services,
# and proprietary license terms, please see https://rhodecode.com/licenses/
"""
Simple smtp mailer used in RhodeCode
"""
import time
import logging
from socket import sslerror
from email.utils import formatdate
from rhodecode.lib.rcmail.message import Message
from rhodecode.lib.rcmail.utils import DNS_NAME
log = logging.getLogger(__name__)
class SmtpMailer(object):
"""SMTP mailer class
mailer = SmtpMailer(mail_from, user, passwd, mail_server, smtp_auth
mail_port, ssl, tls)
mailer.send(recipients, subject, body, attachment_files)
:param recipients might be a list of string or single string
:param attachment_files is a dict of {filename:location}
it tries to guess the mimetype and attach the file
"""
def __init__(self, mail_from, user, passwd, mail_server, smtp_auth=None,
mail_port=None, ssl=False, tls=False, debug=False):
self.mail_from = mail_from
self.mail_server = mail_server
self.mail_port = mail_port
self.user = user
self.passwd = passwd
self.ssl = ssl
self.tls = tls
self.debug = debug
self.auth = smtp_auth
def _get_smptlib(self):
#patch the output
import smtplib
class StderrLogger(object):
def write(self, message):
log.debug(message)
org_stderr = smtplib.stderr
smtplib.stderr = StderrLogger()
return smtplib
def send(self, recipients=None, subject='', body='', html='',
attachment_files=None):
recipients = recipients or []
if isinstance(recipients, basestring):
recipients = [recipients]
headers = {
'Date': formatdate(time.time())
}
msg = Message(subject, recipients, body, html, self.mail_from,
recipients_separator=", ", extra_headers=headers)
raw_msg = msg.to_message()
#patched smtplib without stderr
smtplib = self._get_smptlib()
if self.ssl:
smtp_serv = smtplib.SMTP_SSL(self.mail_server, self.mail_port,
local_hostname=DNS_NAME.get_fqdn())
else:
smtp_serv = smtplib.SMTP(self.mail_server, self.mail_port,
local_hostname=DNS_NAME.get_fqdn())
if self.tls:
smtp_serv.ehlo()
smtp_serv.starttls()
if self.debug:
smtp_serv.set_debuglevel(1)
smtp_serv.ehlo()
if self.auth:
smtp_serv.esmtp_features["auth"] = self.auth
# if server requires authorization you must provide login and password
# but only if we have them
if self.user and self.passwd:
smtp_serv.login(self.user, self.passwd)
smtp_serv.sendmail(msg.sender, msg.send_to, raw_msg.as_string())
logging.info('MAIL SEND TO: %s' % recipients)
try:
smtp_serv.quit()
except sslerror:
# sslerror is raised in tls connections on closing sometimes
smtp_serv.close()