115 lines
3.8 KiB
Python
115 lines
3.8 KiB
Python
#!/usr/bin/env python3
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from config import config
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import logging
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import sendmail
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import ssl
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import datetime
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import email
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import imaplib
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import report
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from bot import Bot
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logger = logging.getLogger(__name__)
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class Mailbot(Bot):
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"""
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Bot which sends Mails if mentioned via twitter/mastodon, and tells
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other bots that it received mails.
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"""
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def login(self, user):
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# change to use mailbox of local system
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mailinglist = user.get_mailinglist()
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mailbox = imaplib.IMAP4_SSL(mailinglist)
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context = ssl.create_default_context()
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try:
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mailbox.starttls(ssl_context=context)
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except:
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logger.error('StartTLS failed', exc_info=True)
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try:
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mailbox.login(config["mail"]["user"],
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config["mail"]["passphrase"])
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except imaplib.IMAP4.error:
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logger.error("Login to mail server failed", exc_info=True)
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try:
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mailer = sendmail.Mailer()
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mailer.send('', config['web']['contact'],
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'Ticketfrei Crash Report',
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attachment=config['logging']['logpath'])
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except:
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logger.error('Mail sending failed', exc_info=True)
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def crawl(self, user):
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"""
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crawl for new mails.
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:return: msgs: (list of report.Report objects)
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"""
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mailbox = self.login(user)
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try:
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rv, data = mailbox.select("Inbox")
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except imaplib.IMAP4.abort:
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logger.error("Crawling Mail failed", exc_info=True)
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rv = False
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msgs = []
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if rv == 'OK':
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rv, data = mailbox.search(None, "ALL")
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if rv != 'OK':
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return msgs
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for num in data[0].split():
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rv, data = mailbox.fetch(num, '(RFC822)')
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if rv != 'OK':
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logger.error("Couldn't fetch mail %s %s" % (rv, str(data)))
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return msgs
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msg = email.message_from_bytes(data[0][1])
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# check if email was sent by the bot itself. Different solution?
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if not user.get_mailinglist() in msg['From']:
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# get a comparable date out of the email
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date_tuple = email.utils.parsedate_tz(msg['Date'])
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date_tuple = datetime.datetime.fromtimestamp(
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email.utils.mktime_tz(date_tuple)
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)
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date = int((date_tuple -
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datetime.datetime(1970, 1, 1)).total_seconds())
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if date > user.get_seen_mail():
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msgs.append(self.make_report(msg))
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return msgs
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def post(self, user, report):
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"""
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sends reports by other sources to a mailing list.
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:param report: (report.Report object)
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"""
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mailinglist = self.login(user)
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if report.source is not self:
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mailer = sendmail.Mailer()
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mailer.send(report.text, mailinglist,
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"Warnung: Kontrolleure gesehen")
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def make_report(self, msg):
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"""
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generates a report out of a mail
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:param msg: email.parser.Message object
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:return: post: report.Report object
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"""
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# get a comparable date out of the email
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date_tuple = email.utils.parsedate_tz(msg['Date'])
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date_tuple = datetime.datetime.fromtimestamp(
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email.utils.mktime_tz(date_tuple)
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)
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date = (date_tuple - datetime.datetime(1970, 1, 1)).total_seconds()
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author = msg.get("From") # get mail author from email header
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# :todo take only the part before the @
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text = msg.get_payload()
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post = report.Report(author, "mail", text, None, date)
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self.last_mail = date
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return post
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