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annotate sat/tools/common/email.py @ 3287:a4b8c9bcfb57

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tools/common (tls): moved re-usable Twisted TLS code from Libervia to tools/common
author Goffi <goffi@goffi.org>
date Fri, 29 May 2020 21:07:10 +0200
parents 559a625a236b
children 1c7f4ce6a4a2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/env python3
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2
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3
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4 # SàT: a jabber client
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5 # Copyright (C) 2009-2020 Jérôme Poisson (goffi@goffi.org)
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 """email sending facilities"""
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21
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23 from email.mime.text import MIMEText
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24 from twisted.mail import smtp
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25 from sat.core.constants import Const as C
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26 from sat.tools import config as tools_config
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29 def sendEmail(config, to_emails, subject="", body="", from_email=None):
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30 """Send an email using SàT configuration
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32 @param config (SafeConfigParser): the configuration instance
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33 @param to_emails(list[unicode], unicode): list of recipients
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34 if unicode, it will be split to get emails
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35 @param subject(unicode): subject of the message
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36 @param body(unicode): body of the message
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37 @param from_email(unicode): address of the sender
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38 @return (D): same as smtp.sendmail
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39 """
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40 if isinstance(to_emails, str):
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41 to_emails = to_emails.split()
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42 email_host = tools_config.getConfig(config, None, "email_server") or "localhost"
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43 email_from = tools_config.getConfig(config, None, "email_from")
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44 if email_from is None:
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45 # we suppose that email domain and XMPP domain are identical
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46 domain = tools_config.getConfig(config, None, "xmpp_domain", "example.net")
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47 email_from = "no_reply@" + domain
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48 email_sender_domain = tools_config.getConfig(config, None, "email_sender_domain")
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49 email_port = int(tools_config.getConfig(config, None, "email_port", 25))
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50 email_username = tools_config.getConfig(config, None, "email_username")
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51 email_password = tools_config.getConfig(config, None, "email_password")
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52 email_auth = C.bool(tools_config.getConfig(config, None, "email_auth", C.BOOL_FALSE))
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53 email_starttls = C.bool(tools_config.getConfig(config, None, "email_starttls",
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54 C.BOOL_FALSE))
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55
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56 msg = MIMEText(body, "plain", "UTF-8")
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57 msg["Subject"] = subject
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58 msg["From"] = email_from
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59 msg["To"] = ", ".join(to_emails)
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60
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61 return smtp.sendmail(
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62 email_host.encode("utf-8"),
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63 email_from.encode("utf-8"),
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64 [email.encode("utf-8") for email in to_emails],
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65 msg.as_bytes(),
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66 senderDomainName=email_sender_domain.encode("utf-8") if email_sender_domain
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67 else None,
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68 port=email_port,
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69 username=email_username.encode("utf-8") if email_username else None,
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70 password=email_password.encode("utf-8") if email_password else None,
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71 requireAuthentication=email_auth,
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72 requireTransportSecurity=email_starttls,
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73 )