def dialup():
context = SSLContext(PROTOCOL_SSLv3)
def _ssl():
sslsession = SMTP_SSL(context=context)
ext_log(sslsession.connect(getconf('smtp_server'), getconf('smtp_port')), 'SSL connection')
return sslsession
def _starttls():
tlssession = SMTP()
ext_log(tlssession.connect(getconf('smtp_server'), getconf('smtp_port')), 'startTLS connection')
tlssession.ehlo()
if tlssession.has_extn('STARTTLS'):
ext_log(tlssession.starttls(context=context), 'startTLS')
tlssession.ehlo()
return tlssession
else:
logger.warning('plaintext connection')
return tlssession
try:
if getconf('smtp_use_ssl'):
session = _ssl()
else:
session = _starttls()
ext_log(session.login(getconf('smtp_user'), getconf('smtp_password')), 'login')
return session
except (SMTPException, SSLError) as ex:
logger.error('SMTP error: %s' %(ex))
def send_aspsms(to, messagetext, **args):
originator = args.get('originator', getconf('aspsms_originator'))
if not originator: originator = getconf('aspsms_originator')
flashing = args.get('flashing', getconf('aspsms_flashing'))
maxchars = args.get('maxchars', getconf('aspsms_maxchars'))
logger.info('~' * 23)
logger.info('sending new aspsms using %s:\n%d recipients ~ flashing: %s' %(originator, len(to), flashing))
message = wrap(messagetext, maxchars)
try:
for recipient in to:
for text in message:
payload = make_xml(recipient, originator, text, flashing)
response = response_xml(post_xml(payload))
if not response['ErrorCode'] == '1':
raise Exception('aspsms error: %s' %(response['ErrorDescription']))
except Exception as ex:
logger.error('error: %s' %(ex))
return ex
else:
logger.info('aspsms sent')
return True
logger.info('end aspsms')
def make_xml(to, originator, text, flashing):
flashing = str(flashing).lower()
return xml_base.format(
userkey=getconf('aspsms_userkey'),
password=getconf('aspsms_password'),
originator=originator,
to=to,
text=text,
flashing=flashing
)
def _starttls():
tlssession = SMTP()
ext_log(tlssession.connect(getconf('smtp_server'), getconf('smtp_port')), 'startTLS connection')
tlssession.ehlo()
if tlssession.has_extn('STARTTLS'):
ext_log(tlssession.starttls(context=context), 'startTLS')
tlssession.ehlo()
return tlssession
else:
logger.warning('plaintext connection')
return tlssession
def send_mail(to, messagetext, subject=None, **args):
cc = args.get('cc', [])
bcc = args.get('bcc', [])
recipients = list(chain(to, cc, bcc))
sender = args.get('sender', getconf('email_sender'))
if not sender: sender = getconf('email_sender')
footer = args.get('footer', getconf('email_footer'))
if not footer: footer = getconf('email_footer')
subjecttag = args.get('subjecttag', getconf('email_defaulttag'))
subjectdate = args.get('subjectdate', getconf('email_subject_date'))
files = args.get('files', [])
logger.info('~' * 23)
logger.info('sending new mail using %s:\n%d recipients ~ %d cc, %d bcc, %d files' %(sender, len(recipients), len(cc), len(bcc), len(files)))
message = make_header(to, sender, cc, subject, subjecttag, subjectdate)
message.attach(make_mime_text(messagetext, footer))
[message.attach(make_mime_file(f)) for f in files]
session = dialup()
if session is not None:
try:
session.sendmail(sender, recipients, message.as_string().encode('UTF-8'))
except SMTPException as ex:
logger.error('smtp error: %s' %(ex))
return ex
else:
logger.info('mail sent')
return True
finally:
ext_log(session.quit(), 'quit')
logger.info('end mail')
def make_header(to, sender, cc, subject=None, subjecttag=None, subjectdate=None):
# prevent python to encode utf-8 text in base64. using quoted printables instead
charset.add_charset('utf-8', charset.QP, charset.QP, 'UTF-8')
result = MIMEMultipart()
# result.preamble = 'whatever'
result.add_header('To', ', '.join(to))
cc and result.add_header('CC', ', '.join(cc))
result.add_header('From', sender)
if not subject: subject = getconf('email_subject')
if not subject: subject = '☃'
subject = '[' + subjecttag + '] ' + subject if subjecttag else subject
subject = subject + ' ' + formatdate(localtime=True) if subjectdate else subject
result.add_header('Subject', subject)
result.add_header('Date', formatdate())
result.add_header('X-Mailer', 'Postbote Willy')
return result
def _ssl():
sslsession = SMTP_SSL(context=context)
ext_log(sslsession.connect(getconf('smtp_server'), getconf('smtp_port')), 'SSL connection')
return sslsession
def post_xml(xmlpayload):
headers = {'content-type': 'application/xml'}
response = rpost(getconf('aspsms_gateway'), headers=headers, data=xmlpayload)
return response.text
