aboutsummaryrefslogtreecommitdiff
path: root/pyaggr3g470r/emails.py
blob: f55676c2819522f2603752ef1939b8c089912324 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
#! /usr/bin/env python
# -*- coding: utf-8 -*-

# pyAggr3g470r - A Web based news aggregator.
# Copyright (C) 2010-2014  Cédric Bonhomme - http://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 decorator 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).
    html = """<html>\n<head>\n<title>%s</title>\n</head>\n<body>\n%s\n</body>\n</html>""" % \
                (feed.title + ": " + article.title, article.content)
    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 = recipients
        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)

    #for user in users:
        #try:
            #send(user=user, subject=subject, plaintext=plaintext)
        #except:
            #continue

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)
bgstack15