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mailcow-dockerized/data/Dockerfiles/dovecot/quota_notify.py
andryyy c7c1422095
[Dovecot] Add quota_notify script
[Dovecot] Some minor changes to quarantine notification script to catch more errors
2019-02-05 00:00:22 +01:00

71 lines
1.9 KiB
Python
Executable File

#!/usr/bin/python
import smtplib
import os
from email.MIMEMultipart import MIMEMultipart
from email.MIMEText import MIMEText
from email.Utils import COMMASPACE, formatdate
import jinja2
from jinja2 import Template
import redis
import time
import sys
from subprocess import Popen, PIPE, STDOUT
if len(sys.argv) > 2:
percent = int(sys.argv[1])
username = str(sys.argv[2])
else:
print "Args missing"
sys.exit(1)
while True:
try:
r = redis.StrictRedis(host='redis', decode_responses=True, port=6379, db=0)
r.ping()
except Exception as ex:
print '%s - trying again...' % (ex)
time.sleep(3)
else:
break
if r.get('QW_HTML'):
try:
template = Template(r.get('QW_HTML'))
except:
print "Error: Cannot parse quarantine template, falling back to default template."
with open('/templates/quota.tpl') as file_:
template = Template(file_.read())
else:
with open('/templates/quota.tpl') as file_:
template = Template(file_.read())
html = template.render(username=username, percent=percent)
try:
msg = MIMEMultipart('alternative')
msg['From'] = r.get('QW_SENDER') or "quota-warning@localhost"
msg['Subject'] = r.get('QW_SUBJ') or "Quota warning"
msg['Date'] = formatdate(localtime = True)
text = "Your mailbox is almost full, currently %d%% are in use. Please consider deleting old messages." % (percent)
text_part = MIMEText(text, 'plain', 'utf-8')
html_part = MIMEText(html, 'html', 'utf-8')
msg.attach(text_part)
msg.attach(html_part)
msg['To'] = username
p = Popen(['/usr/local/libexec/dovecot/dovecot-lda', '-d', username, '-o', '"plugin/quota=maildir:User quota:noenforcing"'], stdout=PIPE, stdin=PIPE, stderr=STDOUT)
p.communicate(input=msg.as_string())
except Exception as ex:
print 'Failed to send quota notification: %s' % (ex)
sys.exit(1)
try:
sys.stdout.close()
except:
pass
try:
sys.stderr.close()
except:
pass