comparison libervia/backend/tools/common/email.py @ 4071:4b842c1fb686

refactoring: renamed `sat` package to `libervia.backend`
author Goffi <goffi@goffi.org>
date Fri, 02 Jun 2023 11:49:51 +0200
parents sat/tools/common/email.py@524856bd7b19
children b0c36f3d3e04
comparison
equal deleted inserted replaced
4070:d10748475025 4071:4b842c1fb686
1 #!/usr/bin/env python3
2
3
4 # SàT: a jabber client
5 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
6
7 # This program is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU Affero General Public License as published by
9 # the Free Software Foundation, either version 3 of the License, or
10 # (at your option) any later version.
11
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU Affero General Public License for more details.
16
17 # You should have received a copy of the GNU Affero General Public License
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
19
20 """email sending facilities"""
21
22
23 from email.mime.text import MIMEText
24 from twisted.mail import smtp
25 from libervia.backend.core.constants import Const as C
26 from libervia.backend.tools import config as tools_config
27 from libervia.backend.core.log import getLogger
28
29 log = getLogger(__name__)
30
31
32 def send_email(config, to_emails, subject="", body="", from_email=None):
33 """Send an email using SàT configuration
34
35 @param config (SafeConfigParser): the configuration instance
36 @param to_emails(list[unicode], unicode): list of recipients
37 if unicode, it will be split to get emails
38 @param subject(unicode): subject of the message
39 @param body(unicode): body of the message
40 @param from_email(unicode): address of the sender
41 @return (D): same as smtp.sendmail
42 """
43 if isinstance(to_emails, str):
44 to_emails = to_emails.split()
45 email_host = tools_config.config_get(config, None, "email_server") or "localhost"
46 email_from = from_email or tools_config.config_get(config, None, "email_from")
47
48 # we suppose that email domain and XMPP domain are identical
49 domain = tools_config.config_get(config, None, "xmpp_domain")
50 if domain is None:
51 if email_from is not None:
52 domain = email_from.split("@", 1)[-1]
53 else:
54 domain = "example.net"
55
56 if email_from is None:
57 email_from = "no_reply@" + domain
58 email_sender_domain = tools_config.config_get(
59 config, None, "email_sender_domain", domain
60 )
61 email_port = int(tools_config.config_get(config, None, "email_port", 25))
62 email_username = tools_config.config_get(config, None, "email_username")
63 email_password = tools_config.config_get(config, None, "email_password")
64 email_auth = C.bool(tools_config.config_get(config, None, "email_auth", C.BOOL_FALSE))
65 email_starttls = C.bool(tools_config.config_get(config, None, "email_starttls",
66 C.BOOL_FALSE))
67
68 msg = MIMEText(body, "plain", "UTF-8")
69 msg["Subject"] = subject
70 msg["From"] = email_from
71 msg["To"] = ", ".join(to_emails)
72
73 return smtp.sendmail(
74 email_host.encode("utf-8"),
75 email_from.encode("utf-8"),
76 [email.encode("utf-8") for email in to_emails],
77 msg.as_bytes(),
78 senderDomainName=email_sender_domain if email_sender_domain else None,
79 port=email_port,
80 username=email_username.encode("utf-8") if email_username else None,
81 password=email_password.encode("utf-8") if email_password else None,
82 requireAuthentication=email_auth,
83 requireTransportSecurity=email_starttls,
84 )