95 lines
3.1 KiB
Python
95 lines
3.1 KiB
Python
#!/usr/bin/env python3
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import logging
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from sendmail import sendmail
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import datetime
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import mailbox
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import email
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import report
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from bot import Bot
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from config import config
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from db import db
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logger = logging.getLogger(__name__)
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class Mailbot(Bot):
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# returns a list of Report objects
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def crawl(self, user):
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reports = []
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# todo: adjust to actual mailbox
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mails = mailbox.mbox("/var/mail/" + config['mail']['mbox_user'])
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for msg in mails:
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if get_date_from_header(msg['Date']) > user.get_seen_mail():
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if user.get_city().lower() in msg['To'].lower():
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reports.append(make_report(msg, user))
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return reports
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# post/boost Report object
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def post(self, user, report):
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recipients = user.get_mailinglist()
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for rec in recipients:
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rec = rec[0]
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unsubscribe_text = "\n_______\nYou don't want to receive those messages? Unsubscribe with this link: "
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body = report.text + unsubscribe_text + config['web']['host'] + "/city/mail/unsubscribe/" \
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+ db.mail_subscription_token(rec, user.get_city())
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if rec not in report.author:
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try:
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city = user.get_city()
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sendmail(rec, "Ticketfrei " + city + " Report",
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city=city, body=body)
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except Exception:
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logger.error("Sending Mail failed.", exc_info=True)
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def make_report(msg, user):
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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 = get_date_from_header(msg['Date'])
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author = msg['From'] # get mail author from email header
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if msg.is_multipart():
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text = []
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for part in msg.get_payload():
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if part.get_content_type() == "text":
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text.append(part.get_payload())
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elif part.get_content_type() == "application/pgp-signature":
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pass # ignore PGP signatures
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elif part.get_content_type() == "multipart/mixed":
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for p in part:
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if isinstance(p, str):
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text.append(p)
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elif p.get_content_type() == "text":
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text.append(part.get_payload())
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else:
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logger.error("unknown MIMEtype: " +
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p.get_content_type())
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else:
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logger.error("unknown MIMEtype: " +
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part.get_content_type())
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text = '\n'.join(text)
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else:
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text = msg.get_payload()
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post = report.Report(author, "mail", text, None, date)
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user.save_seen_mail(date)
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return post
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def get_date_from_header(header):
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"""
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:param header: msg['Date']
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:return: float: total seconds
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"""
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date_tuple = email.utils.parsedate_tz(header)
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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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return (date_tuple - datetime.datetime(1970, 1, 1)).total_seconds()
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