src/web/newsletter.py

   1 #!/usr/bin/python3
   2
   3 import email.mime.text
   4 import logging
   5 import tornado.gen
   6 import tornado.process
   7
   8 from . import base
   9
  10 class SubscribeHandler(base.BaseHandler):
  11         @base.blacklisted
  12         def prepare(self):
  13                 # Makes sure that we call blacklist for everything
  14                 pass
  15
  16         @tornado.gen.coroutine
  17         @base.ratelimit(minutes=15, requests=5)
  18         def post(self):
  19                 address = self.get_argument("email")
  20
  21                 # Create an email with us as sender
  22                 m = email.mime.text.MIMEText("")
  23                 m.add_header("To", "ipfire-announce-join@lists.ipfire.org")
  24                 m.add_header("From", address)
  25                 m.add_header("Sender", "no-reply@ipfire.org")
  26                 m.add_header("Subject", "Subscribe")
  27
  28                 logging.debug("Sending email:\n%s" % m.as_string())
  29
  30                 # Call sendmail
  31                 p = tornado.process.Subprocess(["sendmail", "-t"],
  32                         stdin=tornado.process.Subprocess.STREAM)
  33
  34                 # Pipe the email into sendmail
  35                 yield tornado.gen.Task(p.stdin.write, m.as_bytes())
  36
  37                 # Close standard input
  38                 p.stdin.close()
  39
  40                 # Wait until sendmail is done
  41                 ret = yield p.wait_for_exit()
  42
  43                 logging.info("%s has subscribed to the newsletter" % address)
  44
  45                 self.render("newsletter/subscribed.html", address=address)