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#! /usr/bin/env python
# -*- coding: utf-8 -*-
# pyAggr3g470r - A Web based news aggregator.
# Copyright (C) 2010-2014 Cédric Bonhomme - https://www.cedricbonhomme.org
#
# For more information : https://bitbucket.org/cedricbonhomme/pyaggr3g470r/
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import logging
import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from postmark import PMMail
from pyaggr3g470r import utils
import conf
from pyaggr3g470r.decorators import async
logger = logging.getLogger(__name__)
@async
def send_async_email(mfrom, mto, msg):
try:
s = smtplib.SMTP(conf.NOTIFICATION_HOST)
s.login(conf.NOTIFICATION_USERNAME, conf.NOTIFICATION_PASSWORD)
except Exception:
logger.exception('send_async_email raised:')
else:
s.sendmail(mfrom, mto, msg.as_string())
s.quit()
def send(*args, **kwargs):
"""
This functions enables to send email through Postmark
or a SMTP server.
"""
if conf.ON_HEROKU:
send_postmark(to=kwargs.get("to"),
bcc=kwargs.get("bcc"),
subject=kwargs.get("subject"),
plaintext=kwargs.get("plaintext"))
else:
send_email(to=kwargs.get("to"),
bcc=kwargs.get("bcc"),
subject=kwargs.get("subject"),
plaintext=kwargs.get("plaintext"),
html=kwargs.get("html"))
def send_email(to="", bcc="", subject="", plaintext="", html=""):
"""
Send an email.
"""
# Create the body of the message (a plain-text and an HTML version).
if plaintext == "":
plaintext = utils.clear_string(html)
# Create message container - the correct MIME type is multipart/alternative.
msg = MIMEMultipart('alternative')
msg['Subject'] = subject
msg['From'] = conf.NOTIFICATION_EMAIL
msg['To'] = to
msg['BCC'] = bcc
# Record the MIME types of both parts - text/plain and text/html.
part1 = MIMEText(plaintext, 'plain', 'utf-8')
part2 = MIMEText(html, 'html', 'utf-8')
# Attach parts into message container.
# According to RFC 2046, the last part of a multipart message, in this case
# the HTML message, is best and preferred.
msg.attach(part1)
msg.attach(part2)
try:
s = smtplib.SMTP(conf.NOTIFICATION_HOST)
s.login(conf.NOTIFICATION_USERNAME, conf.NOTIFICATION_PASSWORD)
except Exception:
logger.exception("send_email raised:")
else:
s.sendmail(conf.NOTIFICATION_EMAIL, msg['To'] + ", " + msg['BCC'], msg.as_string())
s.quit()
def send_postmark(to="", bcc="", subject="", plaintext=""):
"""
Send an email via Postmark. Used when the application is deployed on
Heroku.
"""
try:
message = PMMail(api_key = conf.POSTMARK_API_KEY,
subject = subject,
sender = conf.NOTIFICATION_EMAIL,
text_body = plaintext)
if bcc != "":
message.to = conf.NOTIFICATION_EMAIL
message.bcc = bcc
elif bcc == "":
message.to = to
message.send()
except Exception as e:
logger.exception("send_postmark raised:")
raise e
#
# Notifications
#
def information_message(subject, plaintext):
"""
Send an information message to the users of the platform.
"""
from pyaggr3g470r.models import User
users = User.query.all()
# Only send email for activated accounts.
emails = [user.email for user in users if user.activation_key == ""]
# Postmark has a limit of twenty recipients per message in total.
for i in xrange(0, len(emails), 19):
send(to=conf.NOTIFICATION_EMAIL, bcc=", ".join(emails[i:i+19]), subject=subject, plaintext=plaintext)
def new_account_notification(user):
"""
Account creation notification.
"""
plaintext = """Hello,\n\nYour account has been created. Click on the following link to confirm it:\n%s\n\nSee you,""" % \
(conf.PLATFORM_URL + 'confirm_account/' + user.activation_key)
send(to=conf.NOTIFICATION_EMAIL, bcc=user.email, subject="[pyAggr3g470r] Account creation", plaintext=plaintext)
def new_account_activation(user):
"""
Account activation notification.
"""
plaintext = """Hello,\n\nYour account has been activated. You can now connect to the platform:\n%s\n\nSee you,""" % \
(conf.PLATFORM_URL)
send(to=conf.NOTIFICATION_EMAIL, bcc=user.email, subject="[pyAggr3g470r] Account activated", plaintext=plaintext)
def new_password_notification(user, password):
"""
New password notification.
"""
plaintext = """Hello,\n\nA new password has been generated at your request:\n\n%s""" % \
(password, )
plaintext += "\n\nIt is advised to replace it as soon as connected to pyAggr3g470r.\n\nSee you,"
send(to=conf.NOTIFICATION_EMAIL, bcc=user.email, subject="[pyAggr3g470r] New password", plaintext=plaintext)
def new_article_notification(user, feed, article):
"""
New article notification.
"""
subject = '[pyAggr3g470r] ' + feed.title + ": " + article.title
html = """<html>\n<head>\n<title>%s</title>\n</head>\n<body>\n%s\n</body>\n</html>""" % \
(feed.title + ": " + article.title, article.content)
plaintext = utils.clear_string(html)
send(to=conf.NOTIFICATION_EMAIL, bcc=user.email, subject=subject, plaintext=plaintext, html=html)
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