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448 lines
16 KiB
448 lines
16 KiB
# -*- coding: utf-8 -*-
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# BSD 2-Clause License
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#
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# Apprise - Push Notification Library.
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# Copyright (c) 2024, Chris Caron <lead2gold@gmail.com>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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# To use this service you will need a Twilio account to which you can get your
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# AUTH_TOKEN and ACCOUNT SID right from your console/dashboard at:
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# https://www.twilio.com/console
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#
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# You will also need to send the SMS From a phone number or account id name.
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# This is identified as the source (or where the SMS message will originate
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# from). Activated phone numbers can be found on your dashboard here:
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# - https://www.twilio.com/console/phone-numbers/incoming
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#
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# Alternatively, you can open your wallet and request a different Twilio
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# phone # from:
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# https://www.twilio.com/console/phone-numbers/search
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#
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# or consider purchasing a short-code from here:
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# https://www.twilio.com/docs/glossary/what-is-a-short-code
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#
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import requests
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from json import loads
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from .NotifyBase import NotifyBase
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from ..URLBase import PrivacyMode
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from ..common import NotifyType
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from ..utils import is_phone_no
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from ..utils import parse_phone_no
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from ..utils import validate_regex
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from ..AppriseLocale import gettext_lazy as _
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class NotifyTwilio(NotifyBase):
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"""
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A wrapper for Twilio Notifications
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"""
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# The default descriptive name associated with the Notification
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service_name = 'Twilio'
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# The services URL
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service_url = 'https://www.twilio.com/'
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# All notification requests are secure
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secure_protocol = 'twilio'
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# 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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# the number of seconds undelivered messages should linger for
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# in the Twilio queue
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validity_period = 14400
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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_twilio'
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# Twilio uses the http protocol with JSON requests
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notify_url = 'https://api.twilio.com/2010-04-01/Accounts/' \
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'{sid}/Messages.json'
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# The maximum length of the body
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body_maxlen = 160
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# A title can not be used for SMS Messages. Setting this to zero will
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# cause any title (if defined) to get placed into the message body.
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title_maxlen = 0
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# Define object templates
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templates = (
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'{schema}://{account_sid}:{auth_token}@{from_phone}',
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'{schema}://{account_sid}:{auth_token}@{from_phone}/{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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'account_sid': {
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'name': _('Account SID'),
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'type': 'string',
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'private': True,
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'required': True,
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'regex': (r'^AC[a-f0-9]+$', 'i'),
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},
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'auth_token': {
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'name': _('Auth Token'),
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'type': 'string',
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'private': True,
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'required': True,
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'regex': (r'^[a-z0-9]+$', 'i'),
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},
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'from_phone': {
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'name': _('From Phone No'),
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'type': 'string',
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'required': True,
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'regex': (r'^\+?[0-9\s)(+-]+$', 'i'),
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'map_to': 'source',
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},
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'target_phone': {
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'name': _('Target Phone No'),
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'type': 'string',
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'prefix': '+',
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'regex': (r'^[0-9\s)(+-]+$', 'i'),
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'map_to': 'targets',
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},
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'short_code': {
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'name': _('Target Short Code'),
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'type': 'string',
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'regex': (r'^[0-9]{5,6}$', 'i'),
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'map_to': 'targets',
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},
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'targets': {
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'name': _('Targets'),
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'type': 'list:string',
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},
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})
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# Define our template arguments
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template_args = dict(NotifyBase.template_args, **{
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'to': {
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'alias_of': 'targets',
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},
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'from': {
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'alias_of': 'from_phone',
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},
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'sid': {
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'alias_of': 'account_sid',
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},
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'token': {
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'alias_of': 'auth_token',
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},
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'apikey': {
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'name': _('API Key'),
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'type': 'string',
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'private': True,
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'regex': (r'^SK[a-f0-9]+$', 'i'),
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},
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})
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def __init__(self, account_sid, auth_token, source, targets=None,
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apikey=None, ** kwargs):
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"""
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Initialize Twilio Object
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"""
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super().__init__(**kwargs)
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# The Account SID associated with the account
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self.account_sid = validate_regex(
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account_sid, *self.template_tokens['account_sid']['regex'])
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if not self.account_sid:
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msg = 'An invalid Twilio Account SID ' \
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'({}) was specified.'.format(account_sid)
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self.logger.warning(msg)
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raise TypeError(msg)
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# The Authentication Token associated with the account
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self.auth_token = validate_regex(
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auth_token, *self.template_tokens['auth_token']['regex'])
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if not self.auth_token:
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msg = 'An invalid Twilio Authentication Token ' \
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'({}) was specified.'.format(auth_token)
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self.logger.warning(msg)
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raise TypeError(msg)
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# The API Key associated with the account (optional)
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self.apikey = validate_regex(
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apikey, *self.template_args['apikey']['regex'])
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result = is_phone_no(source, min_len=5)
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if not result:
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msg = 'The Account (From) Phone # or Short-code specified ' \
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'({}) is invalid.'.format(source)
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self.logger.warning(msg)
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raise TypeError(msg)
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# Store The Source Phone # and/or short-code
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self.source = result['full']
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if len(self.source) < 11 or len(self.source) > 14:
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# https://www.twilio.com/docs/glossary/what-is-a-short-code
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# A short code is a special 5 or 6 digit telephone number
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# that's shorter than a full phone number.
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if len(self.source) not in (5, 6):
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msg = 'The Account (From) Phone # specified ' \
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'({}) is invalid.'.format(source)
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self.logger.warning(msg)
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raise TypeError(msg)
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# else... it as a short code so we're okay
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else:
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# We're dealing with a phone number; so we need to just
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# place a plus symbol at the end of it
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self.source = '+{}'.format(self.source)
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# Parse our targets
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self.targets = list()
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for target in parse_phone_no(targets):
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# Validate targets and drop bad ones:
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result = is_phone_no(target)
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if not result:
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self.logger.warning(
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'Dropped invalid phone # '
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'({}) specified.'.format(target),
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)
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continue
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# store valid phone number
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self.targets.append('+{}'.format(result['full']))
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return
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def send(self, body, title='', notify_type=NotifyType.INFO, **kwargs):
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"""
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Perform Twilio Notification
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"""
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if not self.targets:
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if len(self.source) in (5, 6):
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# Generate a warning since we're a short-code. We need
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# a number to message at minimum
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self.logger.warning(
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'There are no valid Twilio targets 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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# 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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}
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# Prepare our payload
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payload = {
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'Body': body,
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'From': self.source,
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# The To gets populated in the loop below
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'To': None,
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}
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# Prepare our Twilio URL
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url = self.notify_url.format(sid=self.account_sid)
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# Create a copy of the targets list
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targets = list(self.targets)
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# Set up our authentication. Prefer the API Key if provided.
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auth = (self.apikey or self.account_sid, self.auth_token)
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if len(targets) == 0:
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# No sources specified, use our own phone no
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targets.append(self.source)
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while len(targets):
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# Get our target to notify
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target = targets.pop(0)
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# Prepare our user
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payload['To'] = target
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# Some Debug Logging
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self.logger.debug('Twilio POST URL: {} (cert_verify={})'.format(
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url, self.verify_certificate))
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self.logger.debug('Twilio Payload: {}' .format(payload))
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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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url,
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auth=auth,
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data=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 not in (
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requests.codes.created, 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(r.status_code)
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# set up our status code to use
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status_code = r.status_code
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try:
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# Update our status response if we can
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json_response = loads(r.content)
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status_code = json_response.get('code', status_code)
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status_str = json_response.get('message', status_str)
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except (AttributeError, TypeError, ValueError):
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# ValueError = r.content is Unparsable
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# TypeError = r.content is None
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# AttributeError = r is None
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# We could not parse JSON response.
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# We will just use the status we already have.
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pass
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self.logger.warning(
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'Failed to send Twilio notification to {}: '
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'{}{}error={}.'.format(
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target,
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status_str,
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', ' if status_str else '',
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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 Twilio notification to {}.'.format(target))
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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 Twilio:%s ' % (
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target) + '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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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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# Our URL parameters
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params = self.url_parameters(privacy=privacy, *args, **kwargs)
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if self.apikey is not None:
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# apikey specified; pass it back on the url
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params['apikey'] = self.apikey
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return '{schema}://{sid}:{token}@{source}/{targets}/?{params}'.format(
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schema=self.secure_protocol,
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sid=self.pprint(
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self.account_sid, privacy, mode=PrivacyMode.Tail, safe=''),
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token=self.pprint(self.auth_token, privacy, safe=''),
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source=NotifyTwilio.quote(self.source, safe=''),
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targets='/'.join(
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[NotifyTwilio.quote(x, safe='') for x in self.targets]),
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params=NotifyTwilio.urlencode(params))
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def __len__(self):
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"""
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Returns the number of targets associated with this notification
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"""
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targets = len(self.targets)
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return targets if targets > 0 else 1
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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'] = NotifyTwilio.split_path(results['fullpath'])
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# The hostname is our source number
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results['source'] = NotifyTwilio.unquote(results['host'])
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# Get our account_side and auth_token from the user/pass config
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results['account_sid'] = NotifyTwilio.unquote(results['user'])
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results['auth_token'] = NotifyTwilio.unquote(results['password'])
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# Auth Token
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if 'token' in results['qsd'] and len(results['qsd']['token']):
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# Extract the account sid from an argument
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results['auth_token'] = \
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NotifyTwilio.unquote(results['qsd']['token'])
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# Account SID
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if 'sid' in results['qsd'] and len(results['qsd']['sid']):
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# Extract the account sid from an argument
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results['account_sid'] = \
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NotifyTwilio.unquote(results['qsd']['sid'])
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# API Key
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if 'apikey' in results['qsd'] and len(results['qsd']['apikey']):
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results['apikey'] = results['qsd']['apikey']
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# Support the 'from' and 'source' variable so that we can support
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# targets this way too.
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# The 'from' makes it easier to use yaml configuration
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if 'from' in results['qsd'] and len(results['qsd']['from']):
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results['source'] = \
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NotifyTwilio.unquote(results['qsd']['from'])
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if 'source' in results['qsd'] and len(results['qsd']['source']):
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results['source'] = \
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NotifyTwilio.unquote(results['qsd']['source'])
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# Support the 'to' variable so that we can support targets this way too
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# The 'to' makes it easier to use yaml configuration
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if 'to' in results['qsd'] and len(results['qsd']['to']):
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results['targets'] += \
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NotifyTwilio.parse_phone_no(results['qsd']['to'])
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return results
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