django-helpdeskmig/management/commands/get_email.py
Ross Poulton 8948bc1a0a * Fixed issue #27 (e-mails not deleted)
* Fixed issue #28 (add quick delete link to dashboard)
2008-11-09 05:34:51 +00:00

272 lines
7.6 KiB
Python

#!/usr/bin/python
"""
Jutda Helpdesk - A Django powered ticket tracker for small enterprise.
(c) Copyright 2008 Jutda. All Rights Reserved. See LICENSE for details.
scripts/get_email.py - Designed to be run from cron, this script checks the
POP and IMAP boxes defined for the queues within a
helpdesk, creating tickets from the new messages (or
adding to existing tickets if needed)
"""
import email
import imaplib
import mimetypes
import poplib
import re
from datetime import datetime, timedelta
from email.Utils import parseaddr
from django.core.files.base import ContentFile
from django.core.management.base import BaseCommand
from django.db.models import Q
from django.utils.translation import ugettext as _
from helpdesk.lib import send_templated_mail
from helpdesk.models import Queue, Ticket, FollowUp, Attachment, IgnoreEmail
class Command(BaseCommand):
def handle(self, *args, **options):
process_email()
def process_email():
for q in Queue.objects.filter(
email_box_type__isnull=False,
allow_email_submission=True):
if not q.email_box_last_check:
q.email_box_last_check = datetime.now()-timedelta(minutes=30)
if not q.email_box_interval:
q.email_box_interval = 0
queue_time_delta = timedelta(minutes=q.email_box_interval)
if (q.email_box_last_check + queue_time_delta) > datetime.now():
continue
process_queue(q)
q.email_box_last_check = datetime.now()
q.save()
def process_queue(q):
print "Processing: %s" % q
if q.email_box_type == 'pop3':
if q.email_box_ssl:
if not q.email_box_port: q.email_box_port = 995
server = poplib.POP3_SSL(q.email_box_host, q.email_box_port)
else:
if not q.email_box_port: q.email_box_port = 110
server = poplib.POP3(q.email_box_host, q.email_box_port)
server.getwelcome()
server.user(q.email_box_user)
server.pass_(q.email_box_pass)
messagesInfo = server.list()[1]
for msg in messagesInfo:
msgNum = msg.split(" ")[0]
msgSize = msg.split(" ")[1]
full_message = "\n".join(server.retr(msgNum)[1])
ticket = ticket_from_message(message=full_message, queue=q)
if ticket:
server.dele(msgNum)
server.quit()
elif q.email_box_type == 'imap':
if q.email_box_ssl:
if not q.email_box_port: q.email_box_port = 993
server = imaplib.IMAP4_SSL(q.email_box_host, q.email_box_port)
else:
if not q.email_box_port: q.email_box_port = 143
server = imaplib.IMAP4(q.email_box_host, q.email_box_port)
server.login(q.email_box_user, q.email_box_pass)
server.select(q.email_box_imap_folder)
status, data = server.search(None, 'ALL')
for num in data[0].split():
status, data = server.fetch(num, '(RFC822)')
ticket = ticket_from_message(message=data[0][1], queue=q)
if ticket:
server.store(num, '+FLAGS', '\\Deleted')
server.expunge()
server.close()
server.logout()
def ticket_from_message(message, queue):
# 'message' must be an RFC822 formatted message.
msg = message
message = email.message_from_string(msg)
subject = message.get('subject', _('Created from e-mail'))
subject = subject.replace("Re: ", "").replace("Fw: ", "").strip()
sender = message.get('from', _('Unknown Sender'))
sender_email = parseaddr(sender)[1]
for ignore in IgnoreEmail.objects.filter(Q(queues=queue) | Q(queues__isnull=True)):
if ignore.test(sender_email):
return False
regex = re.compile("^\[[A-Za-z0-9]+-\d+\]")
if regex.match(subject):
# This is a reply or forward.
ticket = re.match(r"^\[(?P<queue>[A-Za-z0-9]+)-(?P<id>\d+)\]", subject).group('id')
else:
ticket = None
counter = 0
files = []
for part in message.walk():
if part.get_content_maintype() == 'multipart':
continue
name = part.get_param("name")
if part.get_content_maintype() == 'text' and name == None:
body = part.get_payload()
else:
if not name:
ext = mimetypes.guess_extension(part.get_content_type())
name = "part-%i%s" % (counter, ext)
files.append({
'filename': name,
'content': part.get_payload(decode=True),
'type': part.get_content_type()},
)
counter += 1
now = datetime.now()
if ticket:
try:
t = Ticket.objects.get(id=ticket)
new = False
except Ticket.DoesNotExist:
ticket = None
priority = 3
smtp_priority = message.get('priority', '')
smtp_importance = message.get('importance', '')
high_priority_types = ('high', 'important', '1', 'urgent')
if smtp_priority in high_priority_types or smtp_importance in high_priority_types:
priority = 2
if ticket == None:
t = Ticket(
title=subject,
queue=queue,
submitter_email=sender_email,
created=now,
description=body,
priority=priority,
)
t.save()
new = True
update = ''
context = {
'ticket': t,
'queue': queue,
}
if new:
if sender_email:
send_templated_mail(
'newticket_submitter',
context,
recipients=sender_email,
sender=queue.from_address,
fail_silently=True,
)
if queue.new_ticket_cc:
send_templated_mail(
'newticket_cc',
context,
recipients=queue.new_ticket_cc,
sender=queue.from_address,
fail_silently=True,
)
if queue.updated_ticket_cc and queue.updated_ticket_cc != queue.new_ticket_cc:
send_templated_mail(
'newticket_cc',
context,
recipients=queue.updated_ticket_cc,
sender=queue.from_address,
fail_silently=True,
)
else:
update = _(' (Updated)')
if t.assigned_to:
send_templated_mail(
'updated_owner',
context,
recipients=t.assigned_to.email,
sender=queue.from_address,
fail_silently=True,
)
if queue.updated_ticket_cc:
send_templated_mail(
'updated_cc',
context,
recipients=queue.updated_ticket_cc,
sender=queue.from_address,
fail_silently=True,
)
f = FollowUp(
ticket = t,
title = _('E-Mail Received from %(sender_email)s' % {'sender_email': sender_email}),
date = datetime.now(),
public = True,
comment = body,
)
f.save()
print " [%s-%s] %s%s" % (t.queue.slug, t.id, t.title, update)
for file in files:
filename = file['filename'].replace(' ', '_')
if file['content']:
a = Attachment(
followup=f,
filename=filename,
mime_type=file['type'],
size=len(file['content']),
)
a.file.save(file['filename'], ContentFile(file['content']))
a.save()
print " - %s" % file['filename']
return t
if __name__ == '__main__':
process_email()