bazarr/libs/apprise/plugins/NotifySignalAPI.py

493 lines
16 KiB
Python

# -*- coding: utf-8 -*-
# BSD 3-Clause License
#
# Apprise - Push Notification Library.
# Copyright (c) 2023, Chris Caron <lead2gold@gmail.com>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
import re
import requests
from json import dumps
import base64
from .NotifyBase import NotifyBase
from ..common import NotifyType
from ..utils import is_phone_no
from ..utils import parse_phone_no
from ..utils import parse_bool
from ..URLBase import PrivacyMode
from ..AppriseLocale import gettext_lazy as _
GROUP_REGEX = re.compile(
r'^\s*((\@|\%40)?(group\.)|\@|\%40)(?P<group>[a-z0-9_=-]+)', re.I)
class NotifySignalAPI(NotifyBase):
"""
A wrapper for SignalAPI Notifications
"""
# The default descriptive name associated with the Notification
service_name = 'Signal API'
# The services URL
service_url = 'https://bbernhard.github.io/signal-cli-rest-api/'
# The default protocol
protocol = 'signal'
# The default protocol
secure_protocol = 'signals'
# A URL that takes you to the setup/help of the specific protocol
setup_url = 'https://github.com/caronc/apprise/wiki/Notify_signal'
# The maximum targets to include when doing batch transfers
default_batch_size = 10
# We don't support titles for Signal notifications
title_maxlen = 0
# Define object templates
templates = (
'{schema}://{host}/{from_phone}',
'{schema}://{host}:{port}/{from_phone}',
'{schema}://{user}@{host}/{from_phone}',
'{schema}://{user}@{host}:{port}/{from_phone}',
'{schema}://{user}:{password}@{host}/{from_phone}',
'{schema}://{user}:{password}@{host}:{port}/{from_phone}',
'{schema}://{host}/{from_phone}/{targets}',
'{schema}://{host}:{port}/{from_phone}/{targets}',
'{schema}://{user}@{host}/{from_phone}/{targets}',
'{schema}://{user}@{host}:{port}/{from_phone}/{targets}',
'{schema}://{user}:{password}@{host}/{from_phone}/{targets}',
'{schema}://{user}:{password}@{host}:{port}/{from_phone}/{targets}',
)
# Define our template tokens
template_tokens = dict(NotifyBase.template_tokens, **{
'host': {
'name': _('Hostname'),
'type': 'string',
'required': True,
},
'port': {
'name': _('Port'),
'type': 'int',
'min': 1,
'max': 65535,
},
'user': {
'name': _('Username'),
'type': 'string',
},
'password': {
'name': _('Password'),
'type': 'string',
'private': True,
},
'from_phone': {
'name': _('From Phone No'),
'type': 'string',
'required': True,
'regex': (r'^\+?[0-9\s)(+-]+$', 'i'),
'map_to': 'source',
},
'target_phone': {
'name': _('Target Phone No'),
'type': 'string',
'prefix': '+',
'regex': (r'^[0-9\s)(+-]+$', 'i'),
'map_to': 'targets',
},
'target_channel': {
'name': _('Target Group ID'),
'type': 'string',
'prefix': '@',
'regex': (r'^[a-z0-9_=-]+$', 'i'),
'map_to': 'targets',
},
'targets': {
'name': _('Targets'),
'type': 'list:string',
}
})
# Define our template arguments
template_args = dict(NotifyBase.template_args, **{
'to': {
'alias_of': 'targets',
},
'from': {
'alias_of': 'from_phone',
},
'batch': {
'name': _('Batch Mode'),
'type': 'bool',
'default': False,
},
'status': {
'name': _('Show Status'),
'type': 'bool',
'default': False,
},
})
def __init__(self, source=None, targets=None, batch=False, status=False,
**kwargs):
"""
Initialize SignalAPI Object
"""
super().__init__(**kwargs)
# Prepare Batch Mode Flag
self.batch = batch
# Set Status type
self.status = status
# Parse our targets
self.targets = list()
# Used for URL generation afterwards only
self.invalid_targets = list()
# Manage our Source Phone
result = is_phone_no(source)
if not result:
msg = 'An invalid Signal API Source Phone No ' \
'({}) was provided.'.format(source)
self.logger.warning(msg)
raise TypeError(msg)
self.source = '+{}'.format(result['full'])
if targets:
# Validate our targerts
for target in parse_phone_no(targets):
# Validate targets and drop bad ones:
result = is_phone_no(target)
if result:
# store valid phone number
self.targets.append('+{}'.format(result['full']))
continue
result = GROUP_REGEX.match(target)
if result:
# Just store group information
self.targets.append(
'group.{}'.format(result.group('group')))
continue
self.logger.warning(
'Dropped invalid phone/group '
'({}) specified.'.format(target),
)
self.invalid_targets.append(target)
continue
else:
# Send a message to ourselves
self.targets.append(self.source)
return
def send(self, body, title='', notify_type=NotifyType.INFO, attach=None,
**kwargs):
"""
Perform Signal API Notification
"""
if len(self.targets) == 0:
# There were no services to notify
self.logger.warning(
'There were no Signal API targets to notify.')
return False
# error tracking (used for function return)
has_error = False
attachments = []
if attach:
for attachment in attach:
# Perform some simple error checking
if not attachment:
# We could not access the attachment
self.logger.error(
'Could not access attachment {}.'.format(
attachment.url(privacy=True)))
return False
try:
with open(attachment.path, 'rb') as f:
# Prepare our Attachment in Base64
attachments.append(
base64.b64encode(f.read()).decode('utf-8'))
except (OSError, IOError) as e:
self.logger.warning(
'An I/O error occurred while reading {}.'.format(
attachment.name if attachment else 'attachment'))
self.logger.debug('I/O Exception: %s' % str(e))
return False
# Prepare our headers
headers = {
'User-Agent': self.app_id,
'Content-Type': 'application/json',
}
# Format defined here:
# https://bbernhard.github.io/signal-cli-rest-api\
# /#/Messages/post_v2_send
# Example:
# {
# "base64_attachments": [
# "string"
# ],
# "message": "string",
# "number": "string",
# "recipients": [
# "string"
# ]
# }
# Prepare our payload
payload = {
'message': "{}{}".format(
'' if not self.status else '{} '.format(
self.asset.ascii(notify_type)), body),
"number": self.source,
"recipients": []
}
if attachments:
# Store our attachments
payload['base64_attachments'] = attachments
# Determine Authentication
auth = None
if self.user:
auth = (self.user, self.password)
# Set our schema
schema = 'https' if self.secure else 'http'
# Construct our URL
notify_url = '%s://%s' % (schema, self.host)
if isinstance(self.port, int):
notify_url += ':%d' % self.port
notify_url += '/v2/send'
# Send in batches if identified to do so
batch_size = 1 if not self.batch else self.default_batch_size
for index in range(0, len(self.targets), batch_size):
# Prepare our recipients
payload['recipients'] = self.targets[index:index + batch_size]
self.logger.debug('Signal API POST URL: %s (cert_verify=%r)' % (
notify_url, self.verify_certificate,
))
self.logger.debug('Signal API Payload: %s' % str(payload))
# Always call throttle before any remote server i/o is made
self.throttle()
try:
r = requests.post(
notify_url,
auth=auth,
data=dumps(payload),
headers=headers,
verify=self.verify_certificate,
timeout=self.request_timeout,
)
if r.status_code not in (
requests.codes.ok, requests.codes.created):
# We had a problem
status_str = \
NotifySignalAPI.http_response_code_lookup(
r.status_code)
self.logger.warning(
'Failed to send {} Signal API notification{}: '
'{}{}error={}.'.format(
len(self.targets[index:index + batch_size]),
' to {}'.format(self.targets[index])
if batch_size == 1 else '(s)',
status_str,
', ' if status_str else '',
r.status_code))
self.logger.debug(
'Response Details:\r\n{}'.format(r.content))
# Mark our failure
has_error = True
continue
else:
self.logger.info(
'Sent {} Signal API notification{}.'
.format(
len(self.targets[index:index + batch_size]),
' to {}'.format(self.targets[index])
if batch_size == 1 else '(s)',
))
except requests.RequestException as e:
self.logger.warning(
'A Connection error occured sending {} Signal API '
'notification(s).'.format(
len(self.targets[index:index + batch_size])))
self.logger.debug('Socket Exception: %s' % str(e))
# Mark our failure
has_error = True
continue
return not has_error
def url(self, privacy=False, *args, **kwargs):
"""
Returns the URL built dynamically based on specified arguments.
"""
# Define any URL parameters
params = {
'batch': 'yes' if self.batch else 'no',
'status': 'yes' if self.status else 'no',
}
# Extend our parameters
params.update(self.url_parameters(privacy=privacy, *args, **kwargs))
# Determine Authentication
auth = ''
if self.user and self.password:
auth = '{user}:{password}@'.format(
user=NotifySignalAPI.quote(self.user, safe=''),
password=self.pprint(
self.password, privacy, mode=PrivacyMode.Secret, safe=''),
)
elif self.user:
auth = '{user}@'.format(
user=NotifySignalAPI.quote(self.user, safe=''),
)
default_port = 443 if self.secure else 80
# So we can strip out our own phone (if present); create a copy of our
# targets
if len(self.targets) == 1 and self.source in self.targets:
targets = []
elif len(self.targets) == 0:
# invalid phone-no were specified
targets = self.invalid_targets
else:
# append @ to non-phone number entries as they are groups
# Remove group. prefix as well
targets = \
['@{}'.format(x[6:]) if x[0] != '+'
else x for x in self.targets]
return '{schema}://{auth}{hostname}{port}/{src}/{dst}?{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),
src=self.source,
dst='/'.join(
[NotifySignalAPI.quote(x, safe='@+') for x in targets]),
params=NotifySignalAPI.urlencode(params),
)
def __len__(self):
"""
Returns the number of targets associated with this notification
"""
#
# Factor batch into calculation
#
batch_size = 1 if not self.batch else self.default_batch_size
targets = len(self.targets)
if batch_size > 1:
targets = int(targets / batch_size) + \
(1 if targets % batch_size else 0)
return targets
@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, verify_host=False)
if not results:
# We're done early as we couldn't load the results
return results
# Get our entries; split_path() looks after unquoting content for us
# by default
results['targets'] = \
NotifySignalAPI.split_path(results['fullpath'])
# The hostname is our authentication key
results['apikey'] = NotifySignalAPI.unquote(results['host'])
if 'from' in results['qsd'] and len(results['qsd']['from']):
results['source'] = \
NotifySignalAPI.unquote(results['qsd']['from'])
elif results['targets']:
# The from phone no is the first entry in the list otherwise
results['source'] = results['targets'].pop(0)
# Support the 'to' variable so that we can support targets this way too
# The 'to' makes it easier to use yaml configuration
if 'to' in results['qsd'] and len(results['qsd']['to']):
results['targets'] += \
NotifySignalAPI.parse_phone_no(results['qsd']['to'])
# Get Batch Mode Flag
results['batch'] = \
parse_bool(results['qsd'].get('batch', False))
# Get status switch
results['status'] = \
parse_bool(results['qsd'].get('status', False))
return results