114 lines
3.9 KiB
Python
Executable File
114 lines
3.9 KiB
Python
Executable File
#!/usr/bin/python
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import smtplib
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import os
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import mysql.connector
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from email.MIMEMultipart import MIMEMultipart
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from email.MIMEText import MIMEText
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from email.Utils import COMMASPACE, formatdate
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import cgi
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import jinja2
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from jinja2 import Template
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import json
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import redis
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import time
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while True:
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try:
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r = redis.StrictRedis(host='redis', decode_responses=True, port=6379, db=0)
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r.ping()
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except Exception as ex:
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print '%s - trying again...' % (ex)
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time.sleep(3)
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else:
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break
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time_now = int(time.time())
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def query_mysql(query, headers = True, update = False):
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while True:
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try:
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cnx = mysql.connector.connect(unix_socket = '/var/run/mysqld/mysqld.sock', user='__DBUSER__', passwd='__DBPASS__', database='__DBNAME__', charset="utf8")
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except Exception as ex:
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print '%s - trying again...' % (ex)
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time.sleep(3)
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else:
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break
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cur = cnx.cursor()
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cur.execute(query)
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if not update:
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result = []
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columns = tuple( [d[0].decode('utf8') for d in cur.description] )
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for row in cur:
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if headers:
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result.append(dict(zip(columns, row)))
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else:
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result.append(row)
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cur.close()
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cnx.close()
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return result
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else:
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cnx.commit()
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cur.close()
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cnx.close()
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def notify_rcpt(rcpt, msg_count):
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meta_query = query_mysql('SELECT id, subject, sender, created FROM quarantine WHERE notified = 0 AND rcpt = "%s"' % (rcpt))
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if r.get('Q_HTML'):
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try:
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template = Template(r.get('Q_HTML'))
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except:
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print "Error: Cannot parse quarantine template, falling back to default template."
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with open('/templates/quarantine.tpl') as file_:
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template = Template(file_.read())
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else:
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with open('/templates/quarantine.tpl') as file_:
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template = Template(file_.read())
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html = template.render(meta=meta_query, counter=msg_count)
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count = 0
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while count < 15:
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try:
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server = smtplib.SMTP('postfix', 589, 'quarntine')
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server.ehlo()
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msg = MIMEMultipart('alternative')
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msg['From'] = r.get('Q_SENDER') or "quarantine@localhost"
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msg['Subject'] = r.get('Q_SUBJ') or "Spam Quarantine Notification"
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msg['Date'] = formatdate(localtime = True)
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text = "You have %d new items" % (msg_count)
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text_part = MIMEText(text, 'plain')
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html_part = MIMEText(html, 'html')
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msg.attach(text_part)
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msg.attach(html_part)
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msg['To'] = str(rcpt)
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text = msg.as_string()
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server.sendmail(msg['From'], msg['To'], text)
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server.quit()
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for res in meta_query:
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query_mysql('UPDATE quarantine SET notified = 1 WHERE id = "%d"' % (res['id']), update = True)
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r.hset('Q_LAST_NOTIFIED', record['rcpt'], time_now)
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break
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except Exception as ex:
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print '%s' % (ex)
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time.sleep(3)
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records = query_mysql('SELECT count(id) AS counter, rcpt FROM quarantine WHERE notified = 0 GROUP BY rcpt')
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for record in records:
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last_notification = int(r.hget('Q_LAST_NOTIFIED', record['rcpt']) or 0)
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attrs_json = query_mysql('SELECT attributes FROM mailbox WHERE username = "%s"' % (record['rcpt']))
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attrs = json.loads(str(attrs_json[0]['attributes']))
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if attrs['quarantine_notification'] == 'hourly':
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if last_notification == 0 or (last_notification + 3600) < time_now:
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print "Notifying %s about %d new items in quarantine" % (record['rcpt'], record['counter'])
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notify_rcpt(record['rcpt'], record['counter'])
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elif attrs['quarantine_notification'] == 'daily':
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if last_notification == 0 or (last_notification + 86400) < time_now:
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print "Notifying %s about %d new items in quarantine" % (record['rcpt'], record['counter'])
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notify_rcpt(record['rcpt'], record['counter'])
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elif attrs['quarantine_notification'] == 'weekly':
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if last_notification == 0 or (last_notification + 604800) < time_now:
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print "Notifying %s about %d new items in quarantine" % (record['rcpt'], record['counter'])
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notify_rcpt(record['rcpt'], record['counter'])
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else:
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break
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