126 lines
4.7 KiB
Python
Executable File
126 lines
4.7 KiB
Python
Executable File
#!/usr/bin/python
|
|
|
|
import smtplib
|
|
import os
|
|
import mysql.connector
|
|
from email.MIMEMultipart import MIMEMultipart
|
|
from email.MIMEText import MIMEText
|
|
from email.Utils import COMMASPACE, formatdate
|
|
import cgi
|
|
import jinja2
|
|
from jinja2 import Template
|
|
import json
|
|
import redis
|
|
import time
|
|
import html2text
|
|
import socket
|
|
|
|
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
|
|
|
|
time_now = int(time.time())
|
|
|
|
def query_mysql(query, headers = True, update = False):
|
|
while True:
|
|
try:
|
|
cnx = mysql.connector.connect(unix_socket = '/var/run/mysqld/mysqld.sock', user='__DBUSER__', passwd='__DBPASS__', database='__DBNAME__', charset="utf8")
|
|
except Exception as ex:
|
|
print '%s - trying again...' % (ex)
|
|
time.sleep(3)
|
|
else:
|
|
break
|
|
cur = cnx.cursor()
|
|
cur.execute(query)
|
|
if not update:
|
|
result = []
|
|
columns = tuple( [d[0].decode('utf8') for d in cur.description] )
|
|
for row in cur:
|
|
if headers:
|
|
result.append(dict(zip(columns, row)))
|
|
else:
|
|
result.append(row)
|
|
cur.close()
|
|
cnx.close()
|
|
return result
|
|
else:
|
|
cnx.commit()
|
|
cur.close()
|
|
cnx.close()
|
|
|
|
def notify_rcpt(rcpt, msg_count, quarantine_acl):
|
|
meta_query = query_mysql('SELECT SHA2(CONCAT(id, qid), 256) AS qhash, id, subject, score, sender, created FROM quarantine WHERE notified = 0 AND rcpt = "%s"' % (rcpt))
|
|
if r.get('Q_HTML'):
|
|
try:
|
|
template = Template(r.get('Q_HTML'))
|
|
except:
|
|
print "Error: Cannot parse quarantine template, falling back to default template."
|
|
with open('/templates/quarantine.tpl') as file_:
|
|
template = Template(file_.read())
|
|
else:
|
|
with open('/templates/quarantine.tpl') as file_:
|
|
template = Template(file_.read())
|
|
html = template.render(meta=meta_query, counter=msg_count, hostname=socket.gethostname(), quarantine_acl=quarantine_acl)
|
|
text = html2text.html2text(html)
|
|
count = 0
|
|
while count < 15:
|
|
try:
|
|
server = smtplib.SMTP('postfix', 590, 'quarantine')
|
|
server.ehlo()
|
|
msg = MIMEMultipart('alternative')
|
|
msg['From'] = r.get('Q_SENDER') or "quarantine@localhost"
|
|
msg['Subject'] = r.get('Q_SUBJ') or "Spam Quarantine Notification"
|
|
msg['Date'] = formatdate(localtime = True)
|
|
text_part = MIMEText(text, 'plain', 'utf-8')
|
|
html_part = MIMEText(html, 'html', 'utf-8')
|
|
msg.attach(text_part)
|
|
msg.attach(html_part)
|
|
msg['To'] = str(rcpt)
|
|
text = msg.as_string()
|
|
server.sendmail(msg['From'], msg['To'], text)
|
|
server.quit()
|
|
for res in meta_query:
|
|
query_mysql('UPDATE quarantine SET notified = 1 WHERE id = "%d"' % (res['id']), update = True)
|
|
r.hset('Q_LAST_NOTIFIED', record['rcpt'], time_now)
|
|
break
|
|
except Exception as ex:
|
|
print '%s' % (ex)
|
|
time.sleep(3)
|
|
|
|
records = query_mysql('SELECT IFNULL(user_acl.quarantine, 0) AS quarantine_acl, count(id) AS counter, rcpt FROM quarantine LEFT OUTER JOIN user_acl ON user_acl.username = rcpt WHERE notified = 0 AND rcpt in (SELECT username FROM mailbox) GROUP BY rcpt')
|
|
|
|
for record in records:
|
|
attrs = ''
|
|
attrs_json = ''
|
|
try:
|
|
last_notification = int(r.hget('Q_LAST_NOTIFIED', record['rcpt']))
|
|
if last_notification > time_now:
|
|
print 'Last notification is > time now, assuming never'
|
|
last_notification = 0
|
|
except Exception as ex:
|
|
print 'Could not determine last notification for %s, assuming never' % (record['rcpt'])
|
|
last_notification = 0
|
|
attrs_json = query_mysql('SELECT attributes FROM mailbox WHERE username = "%s"' % (record['rcpt']))
|
|
attrs = json.loads(str(attrs_json[0]['attributes']))
|
|
if attrs['quarantine_notification'] not in ('hourly', 'daily', 'weekly', 'never'):
|
|
print 'Abnormal quarantine_notification value'
|
|
continue
|
|
if attrs['quarantine_notification'] == 'hourly':
|
|
if last_notification == 0 or (last_notification + 3600) < time_now:
|
|
print "Notifying %s about %d new items in quarantine" % (record['rcpt'], record['counter'])
|
|
notify_rcpt(record['rcpt'], record['counter'], record['quarantine_acl'])
|
|
elif attrs['quarantine_notification'] == 'daily':
|
|
if last_notification == 0 or (last_notification + 86400) < time_now:
|
|
print "Notifying %s about %d new items in quarantine" % (record['rcpt'], record['counter'])
|
|
notify_rcpt(record['rcpt'], record['counter'], record['quarantine_acl'])
|
|
elif attrs['quarantine_notification'] == 'weekly':
|
|
if last_notification == 0 or (last_notification + 604800) < time_now:
|
|
print "Notifying %s about %d new items in quarantine" % (record['rcpt'], record['counter'])
|
|
notify_rcpt(record['rcpt'], record['counter'], record['quarantine_acl'])
|