libervia-backend/sat/tools/email.py
2018-06-27 20:14:46 +02:00

74 lines
3 KiB
Python

#!/usr/bin/env python2
# -*- coding: utf-8 -*-
# SàT: a jabber client
# Copyright (C) 2009-2018 Jérôme Poisson (goffi@goffi.org)
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 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 Affero 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/>.
"""email sending facilities"""
from __future__ import absolute_import
from sat.core.constants import Const as C
from sat.core.log import getLogger
log = getLogger(__name__)
from twisted.mail import smtp
from email.mime.text import MIMEText
def sendEmail(host, to_emails, subject=u"", body=u"", from_email=None):
"""send an email using SàT configuration
@param to_emails(list[unicode], unicode): list of recipients
if unicode, it will be split to get emails
@param subject(unicode): subject of the message
@param body(unicode): body of the message
@param from_email(unicode): address of the sender
@return (D): same as smtp.sendmail
"""
if isinstance(to_emails, basestring):
to_emails = to_emails.split()
email_host = host.memory.getConfig(None, u"email_server") or u"localhost"
email_from = host.memory.getConfig(None, u"email_from")
if email_from is None:
# we suppose that email domain and XMPP domain are identical
domain = host.memory.getConfig(None, u"xmpp_domain", u"example.net")
email_from = u"no_reply@" + domain
email_sender_domain = host.memory.getConfig(None, u"email_sender_domain")
email_port = int(host.memory.getConfig(None, u"email_port", 25))
email_username = host.memory.getConfig(None, u"email_username")
email_password = host.memory.getConfig(None, u"email_password")
email_auth = C.bool(host.memory.getConfig(None, "email_auth", False))
email_starttls = C.bool(host.memory.getConfig(None, "email_starttls", False))
msg = MIMEText(body, "plain", "UTF-8")
msg[u"Subject"] = subject
msg[u"From"] = email_from
msg[u"To"] = u", ".join(to_emails)
return smtp.sendmail(
email_host.encode("utf-8"),
email_from.encode("utf-8"),
[email.encode("utf-8") for email in to_emails],
msg.as_string(),
senderDomainName=email_sender_domain.encode("utf-8")
if email_sender_domain
else None,
port=email_port,
username=email_username.encode("utf-8") if email_username else None,
password=email_password.encode("utf-8") if email_password else None,
requireAuthentication=email_auth,
requireTransportSecurity=email_starttls,
)