mirror of https://github.com/morpheus65535/bazarr
585 lines
20 KiB
Python
585 lines
20 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2021 Chris Caron <lead2gold@gmail.com>
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# All rights reserved.
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#
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# This code is licensed under the MIT License.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files(the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions :
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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# Signup @ https://smtp2go.com (free accounts available)
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#
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# From your dashboard, you can generate an API Key if you haven't already
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# at https://app.smtp2go.com/settings/apikeys/
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# The API Key from here which will look something like:
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# api-60F0DD0AB5BA11ABA421F23C91C88EF4
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#
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# Knowing this, you can buid your smtp2go url as follows:
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# smtp2go://{user}@{domain}/{apikey}
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# smtp2go://{user}@{domain}/{apikey}/{email}
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#
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# You can email as many addresses as you want as:
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# smtp2go://{user}@{domain}/{apikey}/{email1}/{email2}/{emailN}
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#
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# The {user}@{domain} effectively assembles the 'from' email address
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# the email will be transmitted from. If no email address is specified
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# then it will also become the 'to' address as well.
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#
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import base64
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import requests
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from json import dumps
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from email.utils import formataddr
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from .NotifyBase import NotifyBase
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from ..common import NotifyType
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from ..common import NotifyFormat
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from ..utils import parse_emails
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from ..utils import parse_bool
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from ..utils import is_email
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from ..utils import validate_regex
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from ..AppriseLocale import gettext_lazy as _
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SMTP2GO_HTTP_ERROR_MAP = {
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429: 'To many requests.',
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}
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class NotifySMTP2Go(NotifyBase):
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"""
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A wrapper for SMTP2Go Notifications
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"""
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# The default descriptive name associated with the Notification
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service_name = 'SMTP2Go'
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# The services URL
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service_url = 'https://www.smtp2go.com/'
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# All notification requests are secure
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secure_protocol = 'smtp2go'
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# SMTP2Go advertises they allow 300 requests per minute.
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# 60/300 = 0.2
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request_rate_per_sec = 0.20
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# A URL that takes you to the setup/help of the specific protocol
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setup_url = 'https://github.com/caronc/apprise/wiki/Notify_smtp2go'
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# Notify URL
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notify_url = 'https://api.smtp2go.com/v3/email/send'
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# Default Notify Format
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notify_format = NotifyFormat.HTML
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# The maximum amount of emails that can reside within a single
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# batch transfer
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default_batch_size = 100
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# Define object templates
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templates = (
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'{schema}://{user}@{host}:{apikey}/',
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'{schema}://{user}@{host}:{apikey}/{targets}',
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)
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# Define our template tokens
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template_tokens = dict(NotifyBase.template_tokens, **{
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'user': {
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'name': _('User Name'),
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'type': 'string',
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'required': True,
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},
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'host': {
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'name': _('Domain'),
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'type': 'string',
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'required': True,
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},
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'apikey': {
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'name': _('API Key'),
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'type': 'string',
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'private': True,
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'required': True,
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},
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'targets': {
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'name': _('Target Emails'),
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'type': 'list:string',
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},
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})
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# Define our template arguments
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template_args = dict(NotifyBase.template_args, **{
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'name': {
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'name': _('From Name'),
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'type': 'string',
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'map_to': 'from_name',
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},
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'to': {
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'alias_of': 'targets',
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},
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'cc': {
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'name': _('Carbon Copy'),
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'type': 'list:string',
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},
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'bcc': {
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'name': _('Blind Carbon Copy'),
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'type': 'list:string',
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},
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'batch': {
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'name': _('Batch Mode'),
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'type': 'bool',
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'default': False,
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},
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})
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# Define any kwargs we're using
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template_kwargs = {
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'headers': {
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'name': _('Email Header'),
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'prefix': '+',
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},
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}
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def __init__(self, apikey, targets, cc=None, bcc=None, from_name=None,
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headers=None, batch=False, **kwargs):
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"""
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Initialize SMTP2Go Object
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"""
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super(NotifySMTP2Go, self).__init__(**kwargs)
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# API Key (associated with project)
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self.apikey = validate_regex(apikey)
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if not self.apikey:
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msg = 'An invalid SMTP2Go API Key ' \
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'({}) was specified.'.format(apikey)
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self.logger.warning(msg)
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raise TypeError(msg)
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# Validate our username
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if not self.user:
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msg = 'No SMTP2Go username was specified.'
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self.logger.warning(msg)
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raise TypeError(msg)
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# Acquire Email 'To'
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self.targets = list()
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# Acquire Carbon Copies
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self.cc = set()
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# Acquire Blind Carbon Copies
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self.bcc = set()
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# For tracking our email -> name lookups
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self.names = {}
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self.headers = {}
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if headers:
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# Store our extra headers
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self.headers.update(headers)
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# Prepare Batch Mode Flag
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self.batch = batch
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# Get our From username (if specified)
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self.from_name = from_name
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# Get our from email address
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self.from_addr = '{user}@{host}'.format(user=self.user, host=self.host)
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if not is_email(self.from_addr):
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# Parse Source domain based on from_addr
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msg = 'Invalid ~From~ email format: {}'.format(self.from_addr)
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self.logger.warning(msg)
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raise TypeError(msg)
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if targets:
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# Validate recipients (to:) and drop bad ones:
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for recipient in parse_emails(targets):
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result = is_email(recipient)
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if result:
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self.targets.append(
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(result['name'] if result['name'] else False,
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result['full_email']))
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continue
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self.logger.warning(
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'Dropped invalid To email '
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'({}) specified.'.format(recipient),
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)
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else:
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# If our target email list is empty we want to add ourselves to it
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self.targets.append(
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(self.from_name if self.from_name else False, self.from_addr))
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# Validate recipients (cc:) and drop bad ones:
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for recipient in parse_emails(cc):
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email = is_email(recipient)
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if email:
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self.cc.add(email['full_email'])
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# Index our name (if one exists)
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self.names[email['full_email']] = \
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email['name'] if email['name'] else False
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continue
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self.logger.warning(
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'Dropped invalid Carbon Copy email '
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'({}) specified.'.format(recipient),
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)
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# Validate recipients (bcc:) and drop bad ones:
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for recipient in parse_emails(bcc):
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email = is_email(recipient)
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if email:
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self.bcc.add(email['full_email'])
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# Index our name (if one exists)
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self.names[email['full_email']] = \
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email['name'] if email['name'] else False
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continue
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self.logger.warning(
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'Dropped invalid Blind Carbon Copy email '
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'({}) specified.'.format(recipient),
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)
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def send(self, body, title='', notify_type=NotifyType.INFO, attach=None,
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**kwargs):
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"""
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Perform SMTP2Go Notification
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"""
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if not self.targets:
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# There is no one to email; we're done
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self.logger.warning(
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'There are no Email recipients to notify')
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return False
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# error tracking (used for function return)
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has_error = False
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# Send in batches if identified to do so
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batch_size = 1 if not self.batch else self.default_batch_size
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# Prepare our headers
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headers = {
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'User-Agent': self.app_id,
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'Accept': 'application/json',
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'Content-Type': 'application/json',
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}
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# Track our potential attachments
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attachments = []
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if attach:
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for idx, attachment in enumerate(attach):
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# Perform some simple error checking
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if not attachment:
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# We could not access the attachment
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self.logger.error(
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'Could not access attachment {}.'.format(
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attachment.url(privacy=True)))
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return False
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try:
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with open(attachment.path, 'rb') as f:
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# Output must be in a DataURL format (that's what
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# PushSafer calls it):
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attachments.append({
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'filename': attachment.name,
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'fileblob': base64.b64encode(f.read())
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.decode('utf-8'),
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'mimetype': attachment.mimetype,
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})
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except (OSError, IOError) as e:
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self.logger.warning(
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'An I/O error occurred while reading {}.'.format(
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attachment.name if attachment else 'attachment'))
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self.logger.debug('I/O Exception: %s' % str(e))
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return False
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try:
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sender = formataddr(
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(self.from_name if self.from_name else False,
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self.from_addr), charset='utf-8')
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except TypeError:
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# Python v2.x Support (no charset keyword)
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# Format our cc addresses to support the Name field
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sender = formataddr(
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(self.from_name if self.from_name else False,
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self.from_addr))
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# Prepare our payload
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payload = {
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# API Key
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'api_key': self.apikey,
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# Base payload options
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'sender': sender,
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'subject': title,
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# our To array
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'to': [],
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}
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if attachments:
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payload['attachments'] = attachments
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if self.notify_format == NotifyFormat.HTML:
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payload['html_body'] = body
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else:
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payload['text_body'] = body
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# Create a copy of the targets list
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emails = list(self.targets)
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for index in range(0, len(emails), batch_size):
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# Initialize our cc list
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cc = (self.cc - self.bcc)
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# Initialize our bcc list
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bcc = set(self.bcc)
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# Initialize our to list
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to = list()
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for to_addr in self.targets[index:index + batch_size]:
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# Strip target out of cc list if in To
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cc = (cc - set([to_addr[1]]))
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# Strip target out of bcc list if in To
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bcc = (bcc - set([to_addr[1]]))
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try:
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# Prepare our to
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to.append(formataddr(to_addr, charset='utf-8'))
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except TypeError:
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# Python v2.x Support (no charset keyword)
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# Format our cc addresses to support the Name field
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# Prepare our to
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to.append(formataddr(to_addr))
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# Prepare our To
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payload['to'] = to
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if cc:
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try:
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# Format our cc addresses to support the Name field
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payload['cc'] = [formataddr(
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(self.names.get(addr, False), addr), charset='utf-8')
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for addr in cc]
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except TypeError:
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# Python v2.x Support (no charset keyword)
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# Format our cc addresses to support the Name field
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payload['cc'] = [formataddr( # pragma: no branch
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(self.names.get(addr, False), addr))
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for addr in cc]
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# Format our bcc addresses to support the Name field
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if bcc:
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# set our bcc variable (convert to list first so it's
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# JSON serializable)
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payload['bcc'] = list(bcc)
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# Store our header entries if defined into the payload
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# in their payload
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if self.headers:
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payload['custom_headers'] = \
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[{'header': k, 'value': v}
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for k, v in self.headers.items()]
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# Some Debug Logging
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self.logger.debug('SMTP2Go POST URL: {} (cert_verify={})'.format(
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self.notify_url, self.verify_certificate))
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self.logger.debug('SMTP2Go Payload: {}' .format(payload))
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# For logging output of success and errors; we get a head count
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# of our outbound details:
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verbose_dest = ', '.join(
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[x[1] for x in self.targets[index:index + batch_size]]) \
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if len(self.targets[index:index + batch_size]) <= 3 \
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else '{} recipients'.format(
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len(self.targets[index:index + batch_size]))
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# Always call throttle before any remote server i/o is made
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self.throttle()
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try:
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r = requests.post(
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self.notify_url,
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data=dumps(payload),
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headers=headers,
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verify=self.verify_certificate,
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timeout=self.request_timeout,
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)
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if r.status_code != requests.codes.ok:
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# We had a problem
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status_str = \
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NotifyBase.http_response_code_lookup(
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r.status_code, SMTP2GO_HTTP_ERROR_MAP)
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self.logger.warning(
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'Failed to send SMTP2Go notification to {}: '
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'{}{}error={}.'.format(
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verbose_dest,
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status_str,
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', ' if status_str else '',
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r.status_code))
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self.logger.debug(
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'Response Details:\r\n{}'.format(r.content))
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# Mark our failure
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has_error = True
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continue
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else:
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self.logger.info(
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'Sent SMTP2Go notification to {}.'.format(
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verbose_dest))
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except requests.RequestException as e:
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self.logger.warning(
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'A Connection error occurred sending SMTP2Go:%s ' % (
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verbose_dest) + 'notification.'
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)
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self.logger.debug('Socket Exception: %s' % str(e))
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# Mark our failure
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has_error = True
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continue
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except (OSError, IOError) as e:
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self.logger.warning(
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'An I/O error occurred while reading attachments')
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self.logger.debug('I/O Exception: %s' % str(e))
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# Mark our failure
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has_error = True
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continue
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return not has_error
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def url(self, privacy=False, *args, **kwargs):
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"""
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Returns the URL built dynamically based on specified arguments.
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"""
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# Define any URL parameters
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params = {
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'batch': 'yes' if self.batch else 'no',
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}
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# Append our headers into our parameters
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params.update({'+{}'.format(k): v for k, v in self.headers.items()})
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# Extend our parameters
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params.update(self.url_parameters(privacy=privacy, *args, **kwargs))
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if self.from_name is not None:
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# from_name specified; pass it back on the url
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params['name'] = self.from_name
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if self.cc:
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# Handle our Carbon Copy Addresses
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params['cc'] = ','.join(
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['{}{}'.format(
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'' if not e not in self.names
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else '{}:'.format(self.names[e]), e) for e in self.cc])
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if self.bcc:
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# Handle our Blind Carbon Copy Addresses
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params['bcc'] = ','.join(self.bcc)
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# a simple boolean check as to whether we display our target emails
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# or not
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has_targets = \
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not (len(self.targets) == 1
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and self.targets[0][1] == self.from_addr)
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return '{schema}://{user}@{host}/{apikey}/{targets}?{params}'.format(
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schema=self.secure_protocol,
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host=self.host,
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user=NotifySMTP2Go.quote(self.user, safe=''),
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apikey=self.pprint(self.apikey, privacy, safe=''),
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targets='' if not has_targets else '/'.join(
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[NotifySMTP2Go.quote('{}{}'.format(
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'' if not e[0] else '{}:'.format(e[0]), e[1]),
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safe='') for e in self.targets]),
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params=NotifySMTP2Go.urlencode(params))
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@staticmethod
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def parse_url(url):
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"""
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Parses the URL and returns enough arguments that can allow
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us to re-instantiate this object.
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"""
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results = NotifyBase.parse_url(url, verify_host=False)
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if not results:
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# We're done early as we couldn't load the results
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return results
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# Get our entries; split_path() looks after unquoting content for us
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# by default
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results['targets'] = NotifySMTP2Go.split_path(results['fullpath'])
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# Our very first entry is reserved for our api key
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try:
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results['apikey'] = results['targets'].pop(0)
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except IndexError:
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# We're done - no API Key found
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results['apikey'] = None
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if 'name' in results['qsd'] and len(results['qsd']['name']):
|
|
# Extract from name to associate with from address
|
|
results['from_name'] = \
|
|
NotifySMTP2Go.unquote(results['qsd']['name'])
|
|
|
|
# Handle 'to' email address
|
|
if 'to' in results['qsd'] and len(results['qsd']['to']):
|
|
results['targets'].append(results['qsd']['to'])
|
|
|
|
# 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']
|
|
|
|
# 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()}
|
|
|
|
# Get Batch Mode Flag
|
|
results['batch'] = \
|
|
parse_bool(results['qsd'].get(
|
|
'batch', NotifySMTP2Go.template_args['batch']['default']))
|
|
|
|
return results
|