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SickGear/lib/apprise/plugins/NotifyEmail.py

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# -*- coding: utf-8 -*-
#
# Copyright (C) 2019 Chris Caron <lead2gold@gmail.com>
# All rights reserved.
#
# This code is licensed under the MIT License.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files(the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions :
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
import dataclasses
import re
import smtplib
import typing as t
from email.mime.text import MIMEText
from email.mime.application import MIMEApplication
from email.mime.multipart import MIMEMultipart
from email.utils import formataddr, make_msgid
from email.header import Header
from email import charset
from socket import error as SocketError
from datetime import datetime
from .NotifyBase import NotifyBase
from ..URLBase import PrivacyMode
from ..common import NotifyFormat, NotifyType
from ..conversion import convert_between
from ..utils import is_email, parse_emails
from ..AppriseLocale import gettext_lazy as _
from ..logger import logger
# Globally Default encoding mode set to Quoted Printable.
charset.add_charset('utf-8', charset.QP, charset.QP, 'utf-8')
class WebBaseLogin:
"""
This class is just used in conjunction of the default emailers
to best formulate a login to it using the data detected
"""
# User Login must be Email Based
EMAIL = 'Email'
# User Login must UserID Based
USERID = 'UserID'
# Secure Email Modes
class SecureMailMode:
INSECURE = "insecure"
SSL = "ssl"
STARTTLS = "starttls"
# Define all of the secure modes (used during validation)
SECURE_MODES = {
SecureMailMode.STARTTLS: {
'default_port': 587,
},
SecureMailMode.SSL: {
'default_port': 465,
},
SecureMailMode.INSECURE: {
'default_port': 25,
},
}
# To attempt to make this script stupid proof, if we detect an email address
# that is part of the this table, we can pre-use a lot more defaults if they
# aren't otherwise specified on the users input.
EMAIL_TEMPLATES = (
# Google GMail
(
'Google Mail',
re.compile(
r'^((?P<label>[^+]+)\+)?(?P<id>[^@]+)@'
r'(?P<domain>gmail\.com)$', re.I),
{
'port': 587,
'smtp_host': 'smtp.gmail.com',
'secure': True,
'secure_mode': SecureMailMode.STARTTLS,
'login_type': (WebBaseLogin.EMAIL, )
},
),
# Yandex
(
'Yandex',
re.compile(
r'^((?P<label>[^+]+)\+)?(?P<id>[^@]+)@'
r'(?P<domain>yandex\.(com|ru|ua|by|kz|uz|tr|fr))$', re.I),
{
'port': 465,
'smtp_host': 'smtp.yandex.ru',
'secure': True,
'secure_mode': SecureMailMode.SSL,
'login_type': (WebBaseLogin.USERID, )
},
),
# Microsoft Hotmail
(
'Microsoft Hotmail',
re.compile(
r'^((?P<label>[^+]+)\+)?(?P<id>[^@]+)@'
r'(?P<domain>(hotmail|live)\.com(\.au)?)$', re.I),
{
'port': 587,
'smtp_host': 'smtp-mail.outlook.com',
'secure': True,
'secure_mode': SecureMailMode.STARTTLS,
'login_type': (WebBaseLogin.EMAIL, )
},
),
# Microsoft Outlook
(
'Microsoft Outlook',
re.compile(
r'^((?P<label>[^+]+)\+)?(?P<id>[^@]+)@'
r'(?P<domain>(smtp\.)?outlook\.com(\.au)?)$', re.I),
{
'port': 587,
'smtp_host': 'smtp.outlook.com',
'secure': True,
'secure_mode': SecureMailMode.STARTTLS,
'login_type': (WebBaseLogin.EMAIL, )
},
),
# Microsoft Office 365 (Email Server)
# You must specify an authenticated sender address in the from= settings
# and a valid email in the to= to deliver your emails to
(
'Microsoft Office 365',
re.compile(
r'^[^@]+@(?P<domain>(smtp\.)?office365\.com)$', re.I),
{
'port': 587,
'smtp_host': 'smtp.office365.com',
'secure': True,
'secure_mode': SecureMailMode.STARTTLS,
},
),
# Yahoo Mail
(
'Yahoo Mail',
re.compile(
r'^((?P<label>[^+]+)\+)?(?P<id>[^@]+)@'
r'(?P<domain>yahoo\.(ca|com))$', re.I),
{
'port': 465,
'smtp_host': 'smtp.mail.yahoo.com',
'secure': True,
'secure_mode': SecureMailMode.STARTTLS,
'login_type': (WebBaseLogin.EMAIL, )
},
),
# Fast Mail (Series 1)
(
'Fast Mail',
re.compile(
r'^((?P<label>[^+]+)\+)?(?P<id>[^@]+)@'
r'(?P<domain>fastmail\.(com|cn|co\.uk|com\.au|de|es|fm|fr|im|'
r'in|jp|mx|net|nl|org|se|to|tw|uk|us))$', re.I),
{
'port': 465,
'smtp_host': 'smtp.fastmail.com',
'secure': True,
'secure_mode': SecureMailMode.SSL,
'login_type': (WebBaseLogin.EMAIL, )
},
),
# Fast Mail (Series 2)
(
'Fast Mail Extended Addresses',
re.compile(
r'^((?P<label>[^+]+)\+)?(?P<id>[^@]+)@'
r'(?P<domain>123mail\.org|airpost\.net|eml\.cc|fmail\.co\.uk|'
r'fmgirl\.com|fmguy\.com|mailbolt\.com|mailcan\.com|'
r'mailhaven\.com|mailmight\.com|ml1\.net|mm\.st|myfastmail\.com|'
r'proinbox\.com|promessage\.com|rushpost\.com|sent\.(as|at|com)|'
r'speedymail\.org|warpmail\.net|xsmail\.com|150mail\.com|'
r'150ml\.com|16mail\.com|2-mail\.com|4email\.net|50mail\.com|'
r'allmail\.net|bestmail\.us|cluemail\.com|elitemail\.org|'
r'emailcorner\.net|emailengine\.(net|org)|emailgroups\.net|'
r'emailplus\.org|emailuser\.net|f-m\.fm|fast-email\.com|'
r'fast-mail\.org|fastem\.com|fastemail\.us|fastemailer\.com|'
r'fastest\.cc|fastimap\.com|fastmailbox\.net|fastmessaging\.com|'
r'fea\.st|fmailbox\.com|ftml\.net|h-mail\.us|hailmail\.net|'
r'imap-mail\.com|imap\.cc|imapmail\.org|inoutbox\.com|'
r'internet-e-mail\.com|internet-mail\.org|internetemails\.net|'
r'internetmailing\.net|jetemail\.net|justemail\.net|'
r'letterboxes\.org|mail-central\.com|mail-page\.com|'
r'mailandftp\.com|mailas\.com|mailc\.net|mailforce\.net|'
r'mailftp\.com|mailingaddress\.org|mailite\.com|mailnew\.com|'
r'mailsent\.net|mailservice\.ms|mailup\.net|mailworks\.org|'
r'mymacmail\.com|nospammail\.net|ownmail\.net|petml\.com|'
r'postinbox\.com|postpro\.net|realemail\.net|reallyfast\.biz|'
r'reallyfast\.info|speedpost\.net|ssl-mail\.com|swift-mail\.com|'
r'the-fastest\.net|the-quickest\.com|theinternetemail\.com|'
r'veryfast\.biz|veryspeedy\.net|yepmail\.net)$', re.I),
{
'port': 465,
'smtp_host': 'smtp.fastmail.com',
'secure': True,
'secure_mode': SecureMailMode.SSL,
'login_type': (WebBaseLogin.EMAIL, )
},
),
# Zoho Mail (Free)
(
'Zoho Mail',
re.compile(
r'^((?P<label>[^+]+)\+)?(?P<id>[^@]+)@'
r'(?P<domain>zoho(mail)?\.com)$', re.I),
{
'port': 587,
'smtp_host': 'smtp.zoho.com',
'secure': True,
'secure_mode': SecureMailMode.STARTTLS,
'login_type': (WebBaseLogin.EMAIL, )
},
),
# SendGrid (Email Server)
# You must specify an authenticated sender address in the from= settings
# and a valid email in the to= to deliver your emails to
(
'SendGrid',
re.compile(
r'^((?P<label>[^+]+)\+)?(?P<id>[^@]+)@'
r'(?P<domain>(\.smtp)?sendgrid\.(com|net))$', re.I),
{
'port': 465,
'smtp_host': 'smtp.sendgrid.net',
'secure': True,
'secure_mode': SecureMailMode.SSL,
'login_type': (WebBaseLogin.USERID, )
},
),
# 163.com
(
'163.com',
re.compile(
r'^((?P<label>[^+]+)\+)?(?P<id>[^@]+)@'
r'(?P<domain>163\.com)$', re.I),
{
'port': 465,
'smtp_host': 'smtp.163.com',
'secure': True,
'secure_mode': SecureMailMode.SSL,
'login_type': (WebBaseLogin.EMAIL, )
},
),
# Foxmail.com
(
'Foxmail.com',
re.compile(
r'^((?P<label>[^+]+)\+)?(?P<id>[^@]+)@'
r'(?P<domain>(foxmail|qq)\.com)$', re.I),
{
'port': 587,
'smtp_host': 'smtp.qq.com',
'secure': True,
'secure_mode': SecureMailMode.STARTTLS,
'login_type': (WebBaseLogin.EMAIL, )
},
),
# Catch All
(
'Custom',
re.compile(
r'^((?P<label>[^+]+)\+)?(?P<id>[^@]+)@'
r'(?P<domain>.+)$', re.I),
{
# Setting smtp_host to None is a way of
# auto-detecting it based on other parameters
# specified. There is no reason to ever modify
# this Catch All
'smtp_host': None,
},
),
)
@dataclasses.dataclass
class EmailMessage:
recipient: str
to_addrs: t.List[str]
body: str
class NotifyEmail(NotifyBase):
"""
A wrapper to Email Notifications
"""
# The default descriptive name associated with the Notification
service_name = 'E-Mail'
# The default simple (insecure) protocol
protocol = 'mailto'
# The default secure protocol
secure_protocol = 'mailtos'
# A URL that takes you to the setup/help of the specific protocol
setup_url = 'https://github.com/caronc/apprise/wiki/Notify_email'
# Default Notify Format
notify_format = NotifyFormat.HTML
# Default SMTP Timeout (in seconds)
socket_connect_timeout = 15
# Define object templates
templates = (
'{schema}://{host}',
'{schema}://{host}:{port}',
'{schema}://{host}/{targets}',
'{schema}://{host}:{port}/{targets}',
'{schema}://{user}@{host}',
'{schema}://{user}@{host}:{port}',
'{schema}://{user}@{host}/{targets}',
'{schema}://{user}@{host}:{port}/{targets}',
'{schema}://{user}:{password}@{host}',
'{schema}://{user}:{password}@{host}:{port}',
'{schema}://{user}:{password}@{host}/{targets}',
'{schema}://{user}:{password}@{host}:{port}/{targets}',
)
# Define our template tokens
template_tokens = dict(NotifyBase.template_tokens, **{
'user': {
'name': _('User Name'),
'type': 'string',
},
'password': {
'name': _('Password'),
'type': 'string',
'private': True,
},
'host': {
'name': _('Domain'),
'type': 'string',
'required': True,
},
'port': {
'name': _('Port'),
'type': 'int',
'min': 1,
'max': 65535,
},
'targets': {
'name': _('Target Emails'),
'type': 'list:string',
},
})
template_args = dict(NotifyBase.template_args, **{
'to': {
'name': _('To Email'),
'type': 'string',
'map_to': 'targets',
},
'from': {
'name': _('From Email'),
'type': 'string',
'map_to': 'from_addr',
},
'name': {
'name': _('From Name'),
'type': 'string',
'map_to': 'from_addr',
},
'cc': {
'name': _('Carbon Copy'),
'type': 'list:string',
},
'bcc': {
'name': _('Blind Carbon Copy'),
'type': 'list:string',
},
'smtp': {
'name': _('SMTP Server'),
'type': 'string',
'map_to': 'smtp_host',
},
'mode': {
'name': _('Secure Mode'),
'type': 'choice:string',
'values': SECURE_MODES,
'default': SecureMailMode.STARTTLS,
'map_to': 'secure_mode',
},
'reply': {
'name': _('Reply To'),
'type': 'list:string',
'map_to': 'reply_to',
},
})
# Define any kwargs we're using
template_kwargs = {
'headers': {
'name': _('Email Header'),
'prefix': '+',
},
}
def __init__(self, smtp_host=None, from_addr=None, secure_mode=None,
targets=None, cc=None, bcc=None, reply_to=None, headers=None,
**kwargs):
"""
Initialize Email Object
The smtp_host and secure_mode can be automatically detected depending
on how the URL was built
"""
super().__init__(**kwargs)
# Acquire Email 'To'
self.targets = list()
# Acquire Carbon Copies
self.cc = set()
# Acquire Blind Carbon Copies
self.bcc = set()
# Acquire Reply To
self.reply_to = set()
# For tracking our email -> name lookups
self.names = {}
self.headers = {}
if headers:
# Store our extra headers
self.headers.update(headers)
# Now we want to construct the To and From email
# addresses from the URL provided
self.from_addr = [False, '']
if self.user and self.host:
# Prepare the bases of our email
self.from_addr = [self.app_id, '{}@{}'.format(
re.split(r'[\s@]+', self.user)[0],
self.host,
)]
if from_addr:
result = is_email(from_addr)
if result:
self.from_addr = (
result['name'] if result['name'] else False,
result['full_email'])
else:
self.from_addr[0] = from_addr
result = is_email(self.from_addr[1])
if not result:
# Parse Source domain based on from_addr
msg = 'Invalid ~From~ email specified: {}'.format(
'{} <{}>'.format(self.from_addr[0], self.from_addr[1])
if self.from_addr[0] else '{}'.format(self.from_addr[1]))
self.logger.warning(msg)
raise TypeError(msg)
# Store our lookup
self.names[self.from_addr[1]] = self.from_addr[0]
# Now detect the SMTP Server
self.smtp_host = \
smtp_host if isinstance(smtp_host, str) else ''
# Now detect secure mode
if secure_mode:
self.secure_mode = None \
if not isinstance(secure_mode, str) \
else secure_mode.lower()
else:
self.secure_mode = SecureMailMode.INSECURE \
if not self.secure else self.template_args['mode']['default']
if self.secure_mode not in SECURE_MODES:
msg = 'The secure mode specified ({}) is invalid.'\
.format(secure_mode)
self.logger.warning(msg)
raise TypeError(msg)
if targets:
# Validate recipients (to:) and drop bad ones:
for recipient in parse_emails(targets):
result = is_email(recipient)
if result:
self.targets.append(
(result['name'] if result['name'] else False,
result['full_email']))
continue
self.logger.warning(
'Dropped invalid To email '
'({}) specified.'.format(recipient),
)
else:
# If our target email list is empty we want to add ourselves to it
self.targets.append((False, self.from_addr[1]))
# Validate recipients (cc:) and drop bad ones:
for recipient in parse_emails(cc):
email = is_email(recipient)
if email:
self.cc.add(email['full_email'])
# Index our name (if one exists)
self.names[email['full_email']] = \
email['name'] if email['name'] else False
continue
self.logger.warning(
'Dropped invalid Carbon Copy email '
'({}) specified.'.format(recipient),
)
# Validate recipients (bcc:) and drop bad ones:
for recipient in parse_emails(bcc):
email = is_email(recipient)
if email:
self.bcc.add(email['full_email'])
# Index our name (if one exists)
self.names[email['full_email']] = \
email['name'] if email['name'] else False
continue
self.logger.warning(
'Dropped invalid Blind Carbon Copy email '
'({}) specified.'.format(recipient),
)
# Validate recipients (reply-to:) and drop bad ones:
for recipient in parse_emails(reply_to):
email = is_email(recipient)
if email:
self.reply_to.add(email['full_email'])
# Index our name (if one exists)
self.names[email['full_email']] = \
email['name'] if email['name'] else False
continue
self.logger.warning(
'Dropped invalid Reply To email '
'({}) specified.'.format(recipient),
)
# Apply any defaults based on certain known configurations
self.NotifyEmailDefaults(secure_mode=secure_mode, **kwargs)
if not self.secure and self.secure_mode != SecureMailMode.INSECURE:
# Enable Secure mode if not otherwise set
self.secure = True
if not self.port:
# Assign our port based on our secure_mode if not otherwise
# detected
self.port = SECURE_MODES[self.secure_mode]['default_port']
# if there is still no smtp_host then we fall back to the hostname
if not self.smtp_host:
self.smtp_host = self.host
return
def NotifyEmailDefaults(self, secure_mode=None, port=None, **kwargs):
"""
A function that prefills defaults based on the email
it was provided.
"""
if self.smtp_host or not self.user:
# SMTP Server was explicitly specified, therefore it is assumed
# the caller knows what he's doing and is intentionally
# over-riding any smarts to be applied. We also can not apply
# any default if there was no user specified.
return
# detect our email address using our user/host combo
from_addr = '{}@{}'.format(
re.split(r'[\s@]+', self.user)[0],
self.host,
)
for i in range(len(EMAIL_TEMPLATES)): # pragma: no branch
self.logger.trace('Scanning %s against %s' % (
from_addr, EMAIL_TEMPLATES[i][0]
))
match = EMAIL_TEMPLATES[i][1].match(from_addr)
if match:
self.logger.info(
'Applying %s Defaults' %
EMAIL_TEMPLATES[i][0],
)
# the secure flag can not be altered if defined in the template
self.secure = EMAIL_TEMPLATES[i][2]\
.get('secure', self.secure)
# The SMTP Host check is already done above; if it was
# specified we wouldn't even reach this part of the code.
self.smtp_host = EMAIL_TEMPLATES[i][2]\
.get('smtp_host', self.smtp_host)
# The following can be over-ridden if defined manually in the
# Apprise URL. Otherwise they take on the template value
if not port:
self.port = EMAIL_TEMPLATES[i][2]\
.get('port', self.port)
if not secure_mode:
self.secure_mode = EMAIL_TEMPLATES[i][2]\
.get('secure_mode', self.secure_mode)
# Adjust email login based on the defined usertype. If no entry
# was specified, then we default to having them all set (which
# basically implies that there are no restrictions and use use
# whatever was specified)
login_type = EMAIL_TEMPLATES[i][2]\
.get('login_type', [])
if login_type:
# only apply additional logic to our user if a login_type
# was specified.
if is_email(self.user):
if WebBaseLogin.EMAIL not in login_type:
# Email specified but login type
# not supported; switch it to user id
self.user = match.group('id')
elif WebBaseLogin.USERID not in login_type:
# user specified but login type
# not supported; switch it to email
self.user = '{}@{}'.format(self.user, self.host)
break
def _get_charset(self, input_string):
"""
Get utf-8 charset if non ascii string only
Encode an ascii string to utf-8 is bad for email deliverability
because some anti-spam gives a bad score for that
like SUBJ_EXCESS_QP flag on Rspamd
"""
if not input_string:
return None
return 'utf-8' if not all(ord(c) < 128 for c in input_string) else None
def send(self, body, title='', notify_type=NotifyType.INFO, attach=None,
**kwargs):
"""
Perform Email Notification
"""
if not self.targets:
# There is no one to email; we're done
self.logger.warning(
'There are no Email recipients to notify')
return False
messages: t.List[EmailMessage] = []
# Create a copy of the targets list
emails = list(self.targets)
while len(emails):
# Get our email to notify
to_name, to_addr = emails.pop(0)
# Strip target out of cc list if in To or Bcc
cc = (self.cc - self.bcc - set([to_addr]))
# Strip target out of bcc list if in To
bcc = (self.bcc - set([to_addr]))
# Strip target out of reply_to list if in To
reply_to = (self.reply_to - set([to_addr]))
# Format our cc addresses to support the Name field
cc = [formataddr(
(self.names.get(addr, False), addr), charset='utf-8')
for addr in cc]
# Format our bcc addresses to support the Name field
bcc = [formataddr(
(self.names.get(addr, False), addr), charset='utf-8')
for addr in bcc]
if reply_to:
# Format our reply-to addresses to support the Name field
reply_to = [formataddr(
(self.names.get(addr, False), addr), charset='utf-8')
for addr in reply_to]
self.logger.debug(
'Email From: {}'.format(
formataddr(self.from_addr, charset='utf-8')))
self.logger.debug('Email To: {}'.format(to_addr))
if cc:
self.logger.debug('Email Cc: {}'.format(', '.join(cc)))
if bcc:
self.logger.debug('Email Bcc: {}'.format(', '.join(bcc)))
if reply_to:
self.logger.debug(
'Email Reply-To: {}'.format(', '.join(reply_to))
)
self.logger.debug('Login ID: {}'.format(self.user))
self.logger.debug(
'Delivery: {}:{}'.format(self.smtp_host, self.port))
# Prepare Email Message
if self.notify_format == NotifyFormat.HTML:
base = MIMEMultipart("alternative")
base.attach(MIMEText(
convert_between(
NotifyFormat.HTML, NotifyFormat.TEXT, body),
'plain', 'utf-8')
)
base.attach(MIMEText(body, 'html', 'utf-8'))
else:
base = MIMEText(body, 'plain', 'utf-8')
if attach:
mixed = MIMEMultipart("mixed")
mixed.attach(base)
# Now store our attachments
for attachment in attach:
if not attachment:
# We could not load the attachment; take an early
# exit since this isn't what the end user wanted
# We could not access the attachment
self.logger.error(
'Could not access attachment {}.'.format(
attachment.url(privacy=True)))
return False
self.logger.debug(
'Preparing Email attachment {}'.format(
attachment.url(privacy=True)))
with open(attachment.path, "rb") as abody:
app = MIMEApplication(abody.read())
app.set_type(attachment.mimetype)
app.add_header(
'Content-Disposition',
'attachment; filename="{}"'.format(
Header(attachment.name, 'utf-8')),
)
mixed.attach(app)
base = mixed
# Apply any provided custom headers
for k, v in self.headers.items():
base[k] = Header(v, self._get_charset(v))
base['Subject'] = Header(title, self._get_charset(title))
base['From'] = formataddr(self.from_addr, charset='utf-8')
base['To'] = formataddr((to_name, to_addr), charset='utf-8')
base['Message-ID'] = make_msgid(domain=self.smtp_host)
base['Date'] = \
datetime.utcnow().strftime("%a, %d %b %Y %H:%M:%S +0000")
base['X-Application'] = self.app_id
if cc:
base['Cc'] = ','.join(cc)
if reply_to:
base['Reply-To'] = ','.join(reply_to)
message = EmailMessage(
recipient=to_addr,
to_addrs=[to_addr] + list(cc) + list(bcc),
body=base.as_string())
messages.append(message)
return self.submit(messages)
def submit(self, messages: t.List[EmailMessage]):
# error tracking (used for function return)
has_error = False
# bind the socket variable to the current namespace
socket = None
# Always call throttle before any remote server i/o is made
self.throttle()
try:
self.logger.debug('Connecting to remote SMTP server...')
socket_func = smtplib.SMTP
if self.secure_mode == SecureMailMode.SSL:
self.logger.debug('Securing connection with SSL...')
socket_func = smtplib.SMTP_SSL
socket = socket_func(
self.smtp_host,
self.port,
None,
timeout=self.socket_connect_timeout,
)
if self.secure_mode == SecureMailMode.STARTTLS:
# Handle Secure Connections
self.logger.debug('Securing connection with STARTTLS...')
socket.starttls()
if self.user and self.password:
# Apply Login credetials
self.logger.debug('Applying user credentials...')
socket.login(self.user, self.password)
# Send the emails
for message in messages:
try:
socket.sendmail(
self.from_addr[1],
message.to_addrs,
message.body)
self.logger.info(
f'Sent Email notification to "{message.recipient}".')
except (SocketError, smtplib.SMTPException, RuntimeError) as e:
self.logger.warning(
f'Sending email to "{message.recipient}" failed. '
f'Reason: {e}')
# Mark as failure
has_error = True
except (SocketError, smtplib.SMTPException, RuntimeError) as e:
self.logger.warning(
f'Connection error while submitting email to {self.smtp_host}.'
f' Reason: {e}')
# Mark as failure
has_error = True
finally:
# Gracefully terminate the connection with the server
if socket is not None: # pragma: no branch
socket.quit()
return not has_error
def url(self, privacy=False, *args, **kwargs):
"""
Returns the URL built dynamically based on specified arguments.
"""
# Define an URL parameters
params = {}
# Append our headers into our parameters
params.update({'+{}'.format(k): v for k, v in self.headers.items()})
# Extend our parameters
params.update(self.url_parameters(privacy=privacy, *args, **kwargs))
from_addr = None
if len(self.targets) == 1 and self.targets[0][1] != self.from_addr[1]:
# A custom email was provided
from_addr = self.from_addr[1]
if self.smtp_host != self.host:
# Apply our SMTP Host only if it differs from the provided hostname
params['smtp'] = self.smtp_host
if self.secure:
# Mode is only requried if we're dealing with a secure connection
params['mode'] = self.secure_mode
if self.from_addr[0] and self.from_addr[0] != self.app_id:
# A custom name was provided
params['from'] = self.from_addr[0] if not from_addr else \
formataddr((self.from_addr[0], from_addr), charset='utf-8')
elif from_addr:
params['from'] = formataddr((False, from_addr), charset='utf-8')
elif not self.user:
params['from'] = \
formataddr((False, self.from_addr[1]), charset='utf-8')
if len(self.cc) > 0:
# Handle our Carbon Copy Addresses
params['cc'] = ','.join([
formataddr(
(self.names[e] if e in self.names else False, e),
# Swap comma for it's escaped url code (if detected) since
# we're using that as a delimiter
charset='utf-8').replace(',', '%2C')
for e in self.cc])
if len(self.bcc) > 0:
# Handle our Blind Carbon Copy Addresses
params['bcc'] = ','.join([
formataddr(
(self.names[e] if e in self.names else False, e),
# Swap comma for it's escaped url code (if detected) since
# we're using that as a delimiter
charset='utf-8').replace(',', '%2C')
for e in self.bcc])
if self.reply_to:
# Handle our Reply-To Addresses
params['reply'] = ','.join([
formataddr(
(self.names[e] if e in self.names else False, e),
# Swap comma for it's escaped url code (if detected) since
# we're using that as a delimiter
charset='utf-8').replace(',', '%2C')
for e in self.reply_to])
# pull email suffix from username (if present)
user = None if not self.user else self.user.split('@')[0]
# Determine Authentication
auth = ''
if self.user and self.password:
auth = '{user}:{password}@'.format(
user=NotifyEmail.quote(user, safe=''),
password=self.pprint(
self.password, privacy, mode=PrivacyMode.Secret, safe=''),
)
elif user:
# user url
auth = '{user}@'.format(
user=NotifyEmail.quote(user, safe=''),
)
# Default Port setup
default_port = SECURE_MODES[self.secure_mode]['default_port']
# a simple boolean check as to whether we display our target emails
# or not
has_targets = \
not (len(self.targets) == 1
and self.targets[0][1] == self.from_addr[1])
return '{schema}://{auth}{hostname}{port}/{targets}?{params}'.format(
schema=self.secure_protocol if self.secure else self.protocol,
auth=auth,
# never encode hostname since we're expecting it to be a valid one
hostname=self.host,
port='' if self.port is None or self.port == default_port
else ':{}'.format(self.port),
targets='' if not has_targets else '/'.join(
[NotifyEmail.quote('{}{}'.format(
'' if not e[0] else '{}:'.format(e[0]), e[1]),
safe='') for e in self.targets]),
params=NotifyEmail.urlencode(params),
)
@staticmethod
def parse_url(url):
"""
Parses the URL and returns enough arguments that can allow
us to re-instantiate this object.
"""
results = NotifyBase.parse_url(url)
if not results:
# We're done early as we couldn't load the results
return results
# The From address is a must; either through the use of templates
# from= entry and/or merging the user and hostname together, this
# must be calculated or parse_url will fail.
from_addr = ''
# The server we connect to to send our mail to
smtp_host = ''
# Get our potential email targets; if none our found we'll just
# add one to ourselves
results['targets'] = NotifyEmail.split_path(results['fullpath'])
# Attempt to detect 'from' email address
if 'from' in results['qsd'] and len(results['qsd']['from']):
from_addr = NotifyEmail.unquote(results['qsd']['from'])
if 'name' in results['qsd'] and len(results['qsd']['name']):
# Depricate use of both `from=` and `name=` in the same url as
# they will be synomomus of one another in the future.
from_addr = formataddr(
(NotifyEmail.unquote(results['qsd']['name']), from_addr),
charset='utf-8')
logger.warning(
'Email name= and from= are synonymous; '
'use one or the other.')
elif 'name' in results['qsd'] and len(results['qsd']['name']):
# Extract from name to associate with from address
from_addr = NotifyEmail.unquote(results['qsd']['name'])
# Attempt to detect 'to' email address
if 'to' in results['qsd'] and len(results['qsd']['to']):
results['targets'].append(results['qsd']['to'])
# Store SMTP Host if specified
if 'smtp' in results['qsd'] and len(results['qsd']['smtp']):
# Extract the smtp server
smtp_host = NotifyEmail.unquote(results['qsd']['smtp'])
if 'mode' in results['qsd'] and len(results['qsd']['mode']):
# Extract the secure mode to over-ride the default
results['secure_mode'] = results['qsd']['mode'].lower()
# Handle Carbon Copy Addresses
if 'cc' in results['qsd'] and len(results['qsd']['cc']):
results['cc'] = results['qsd']['cc']
# Handle Blind Carbon Copy Addresses
if 'bcc' in results['qsd'] and len(results['qsd']['bcc']):
results['bcc'] = results['qsd']['bcc']
# Handle Reply To Addresses
if 'reply' in results['qsd'] and len(results['qsd']['reply']):
results['reply_to'] = results['qsd']['reply']
results['from_addr'] = from_addr
results['smtp_host'] = smtp_host
# Add our Meta Headers that the user can provide with their outbound
# emails
results['headers'] = {NotifyBase.unquote(x): NotifyBase.unquote(y)
for x, y in results['qsd+'].items()}
return results
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