89 lines
2.7 KiB
Python
Executable File
89 lines
2.7 KiB
Python
Executable File
#!/usr/bin/env python3
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from config import config
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from email.mime.text import MIMEText
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from email.mime.application import MIMEApplication
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from email.mime.multipart import MIMEMultipart
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import logging
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from getpass import getuser
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import smtplib
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from socket import getfqdn
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import ssl
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logger = logging.getLogger(__name__)
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class Mailer(object):
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"""
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Maintains the connection to the mailserver and sends text to users.
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"""
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def __init__(self):
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"""
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Creates an SMTP client to send a mail. Is called only once
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when you actually want to send a mail. After you sent the
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mail, the SMTP client is shut down again.
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"""
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# This generates the From address by stripping the part until the first
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# period from the mail server address and won't work always.
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self.fromaddr = config["mail"]["user"] + "@" + config["mail"]["mailserver"].partition(".")[2]
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# starts a client session with the SMTP server
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self.s = smtplib.SMTP(config["mail"]["mailserver"])
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try:
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context = ssl.create_default_context()
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self.s.starttls(context=context)
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except:
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logger.error('StartTLS failed.', exc_info=True)
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self.s.login(config["mail"]["user"], config["mail"]["passphrase"])
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def send(self, text, recipient, subject, attachment=None):
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"""
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:param text: (string) the content of the mail
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:param recipient: (string) the recipient of the mail
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:param subject: (string) the subject of the mail
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:param attachment: (string) the path to the logfile
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:return: string for logging purposes, contains recipient & subject
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"""
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msg = MIMEMultipart()
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msg.attach(MIMEText(text))
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msg["From"] = self.fromaddr
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msg["To"] = recipient
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msg["Subject"] = subject
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# attach logfile
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if attachment:
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with open(attachment, "rb") as fil:
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part = MIMEApplication(
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fil.read(),
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Name="logfile"
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)
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# After the file is closed
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part['Content-Disposition'] = 'attachment; filename="logfile"'
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msg.attach(part)
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self.s.send_message(msg)
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self.s.close()
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return "Sent mail to " + recipient + ": " + subject
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def sendmail(to, subject, body=''):
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msg = MIMEMultipart()
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msg['From'] = 'Ticketfrei <%s@%s>' % (getuser(), getfqdn())
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msg['To'] = to
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msg['Subject'] = '[Ticketfrei] %s' % (subject, )
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msg.attach(MIMEText(body))
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with smtplib.SMTP('localhost') as smtp:
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smtp.send_message(msg)
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# For testing:
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if __name__ == '__main__':
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m = Mailer()
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print(m.send("This is a test mail.", m.fromaddr, "Test"))
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