forum/utils/mail.py

   1 import email
   2 import socket
   3 import os
   4
   5 try:
   6     from email.mime.multipart import MIMEMultipart
   7     from email.mime.text import MIMEText
   8     from email.mime.image import MIMEImage
   9     from email.header import Header
  10 except:
  11     from email.MIMEMultipart import MIMEMultipart
  12     from email.MIMEText import MIMEText
  13     from email.MIMEImage import MIMEImage
  14     from email.Header import Header
  15
  16 from django.core.mail import DNS_NAME
  17 from smtplib import SMTP
  18 from forum import settings
  19 from django.template import loader, Context, Template
  20 from forum.utils.html import sanitize_html
  21 from forum.context import application_settings
  22 from forum.utils.html2text import HTML2Text
  23 from threading import Thread
  24
  25 def send_template_email(recipients, template, context):
  26     t = loader.get_template(template)
  27     context.update(dict(recipients=recipients, settings=settings))
  28     t.render(Context(context))
  29
  30 def create_and_send_mail_messages(messages):
  31     if not settings.EMAIL_HOST:
  32         return
  33
  34     sender = Header(unicode(settings.APP_SHORT_NAME), 'utf-8')
  35     sender.append('<%s>' % unicode(settings.DEFAULT_FROM_EMAIL))
  36     sender = u'%s <%s>' % (unicode(settings.APP_SHORT_NAME), unicode(settings.DEFAULT_FROM_EMAIL))
  37
  38     try:
  39         connection = SMTP(str(settings.EMAIL_HOST), str(settings.EMAIL_PORT),
  40                           local_hostname=DNS_NAME.get_fqdn())
  41
  42         if (bool(settings.EMAIL_USE_TLS)):
  43             connection.ehlo()
  44             connection.starttls()
  45             connection.ehlo()
  46
  47         if settings.EMAIL_HOST_USER and settings.EMAIL_HOST_PASSWORD:
  48             connection.login(str(settings.EMAIL_HOST_USER), str(settings.EMAIL_HOST_PASSWORD))
  49
  50         if sender is None:
  51             sender = str(settings.DEFAULT_FROM_EMAIL)
  52
  53         for recipient, subject, html, text, media in messages:
  54             msgRoot = MIMEMultipart('related')
  55
  56             msgRoot['Subject'] = Header(subject, 'utf-8')
  57             msgRoot['From'] = sender
  58
  59             to = Header(recipient.username, 'utf-8')
  60             to.append('<%s>' % recipient.email)
  61             msgRoot['To'] = to
  62
  63             msgRoot.preamble = 'This is a multi-part message from %s.' % unicode(settings.APP_SHORT_NAME).encode('utf8')
  64
  65             msgAlternative = MIMEMultipart('alternative')
  66             msgRoot.attach(msgAlternative)
  67
  68             msgAlternative.attach(MIMEText(text.encode('utf-8'), _charset='utf-8'))
  69             msgAlternative.attach(MIMEText(html.encode('utf-8'), 'html', _charset='utf-8'))
  70
  71             for alias, location in media.items():
  72                 fp = open(location, 'rb')
  73                 msgImage = MIMEImage(fp.read())
  74                 fp.close()
  75                 msgImage.add_header('Content-ID', '<'+alias+'>')
  76                 msgRoot.attach(msgImage)
  77
  78             try:
  79                 connection.sendmail(sender, [recipient.email], msgRoot.as_string())
  80             except Exception, e:
  81                 pass
  82
  83         try:
  84             connection.quit()
  85         except socket.sslerror:
  86             connection.close()
  87     except Exception, e:
  88         pass