bazarr/libs/apprise/plugins/NotifyPushed.py
2020-09-14 08:24:26 -04:00

363 lines
12 KiB
Python

# -*- 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 re
import requests
from json import dumps
from itertools import chain
from .NotifyBase import NotifyBase
from ..URLBase import PrivacyMode
from ..common import NotifyType
from ..utils import parse_list
from ..utils import validate_regex
from ..AppriseLocale import gettext_lazy as _
# Used to detect and parse channels
IS_CHANNEL = re.compile(r'^#?(?P<name>[A-Za-z0-9]+)$')
# Used to detect and parse a users push id
IS_USER_PUSHED_ID = re.compile(r'^@(?P<name>[A-Za-z0-9]+)$')
class NotifyPushed(NotifyBase):
"""
A wrapper to Pushed Notifications
"""
# The default descriptive name associated with the Notification
service_name = 'Pushed'
# The services URL
service_url = 'https://pushed.co/'
# The default secure protocol
secure_protocol = 'pushed'
# A URL that takes you to the setup/help of the specific protocol
setup_url = 'https://github.com/caronc/apprise/wiki/Notify_pushed'
# Pushed uses the http protocol with JSON requests
notify_url = 'https://api.pushed.co/1/push'
# A title can not be used for Pushed Messages. Setting this to zero will
# cause any title (if defined) to get placed into the message body.
title_maxlen = 0
# The maximum allowable characters allowed in the body per message
body_maxlen = 160
# Define object templates
templates = (
'{schema}://{app_key}/{app_secret}',
'{schema}://{app_key}/{app_secret}@{targets}',
)
# Define our template tokens
template_tokens = dict(NotifyBase.template_tokens, **{
'app_key': {
'name': _('Application Key'),
'type': 'string',
'private': True,
'required': True,
},
'app_secret': {
'name': _('Application Secret'),
'type': 'string',
'private': True,
'required': True,
},
'target_user': {
'name': _('Target User'),
'prefix': '@',
'type': 'string',
'map_to': 'targets',
},
'target_channel': {
'name': _('Target Channel'),
'type': 'string',
'prefix': '#',
'map_to': 'targets',
},
'targets': {
'name': _('Targets'),
'type': 'list:string',
},
})
# Define our template arguments
template_args = dict(NotifyBase.template_args, **{
'to': {
'alias_of': 'targets',
},
})
def __init__(self, app_key, app_secret, targets=None, **kwargs):
"""
Initialize Pushed Object
"""
super(NotifyPushed, self).__init__(**kwargs)
# Application Key (associated with project)
self.app_key = validate_regex(app_key)
if not self.app_key:
msg = 'An invalid Pushed Application Key ' \
'({}) was specified.'.format(app_key)
self.logger.warning(msg)
raise TypeError(msg)
# Access Secret (associated with project)
self.app_secret = validate_regex(app_secret)
if not self.app_secret:
msg = 'An invalid Pushed Application Secret ' \
'({}) was specified.'.format(app_secret)
self.logger.warning(msg)
raise TypeError(msg)
# Initialize channel list
self.channels = list()
# Initialize user list
self.users = list()
# Get our targets
targets = parse_list(targets)
if targets:
# Validate recipients and drop bad ones:
for target in targets:
result = IS_CHANNEL.match(target)
if result:
# store valid device
self.channels.append(result.group('name'))
continue
result = IS_USER_PUSHED_ID.match(target)
if result:
# store valid room
self.users.append(result.group('name'))
continue
self.logger.warning(
'Dropped invalid channel/userid '
'(%s) specified.' % target,
)
if len(self.channels) + len(self.users) == 0:
# We have no valid channels or users to notify after
# explicitly identifying at least one.
msg = 'No Pushed targets to notify.'
self.logger.warning(msg)
raise TypeError(msg)
return
def send(self, body, title='', notify_type=NotifyType.INFO, **kwargs):
"""
Perform Pushed Notification
"""
# Initiaize our error tracking
has_error = False
# prepare JSON Object
payload = {
'app_key': self.app_key,
'app_secret': self.app_secret,
'target_type': 'app',
'content': body,
}
# So the logic is as follows:
# - if no user/channel was specified, then we just simply notify the
# app.
# - if there are user/channels specified, then we only alert them
# while respecting throttle limits (in the event there are a lot of
# entries.
if len(self.channels) + len(self.users) == 0:
# Just notify the app
return self._send(
payload=payload, notify_type=notify_type, **kwargs)
# If our code reaches here, we want to target channels and users (by
# their Pushed_ID instead...
# Generate a copy of our original list
channels = list(self.channels)
users = list(self.users)
# Copy our payload
_payload = dict(payload)
_payload['target_type'] = 'channel'
while len(channels) > 0:
# Get Channel
_payload['target_alias'] = channels.pop(0)
if not self._send(
payload=_payload, notify_type=notify_type, **kwargs):
# toggle flag
has_error = True
# Copy our payload
_payload = dict(payload)
_payload['target_type'] = 'pushed_id'
# Send all our defined User Pushed ID's
while len(users):
# Get User's Pushed ID
_payload['pushed_id'] = users.pop(0)
if not self._send(
payload=_payload, notify_type=notify_type, **kwargs):
# toggle flag
has_error = True
return not has_error
def _send(self, payload, notify_type, **kwargs):
"""
A lower level call that directly pushes a payload to the Pushed
Notification servers. This should never be called directly; it is
referenced automatically through the send() function.
"""
headers = {
'User-Agent': self.app_id,
'Content-Type': 'application/json'
}
self.logger.debug('Pushed POST URL: %s (cert_verify=%r)' % (
self.notify_url, self.verify_certificate,
))
self.logger.debug('Pushed Payload: %s' % str(payload))
# Always call throttle before any remote server i/o is made
self.throttle()
try:
r = requests.post(
self.notify_url,
data=dumps(payload),
headers=headers,
verify=self.verify_certificate,
timeout=self.request_timeout,
)
if r.status_code != requests.codes.ok:
# We had a problem
status_str = \
NotifyPushed.http_response_code_lookup(r.status_code)
self.logger.warning(
'Failed to send Pushed notification:'
'{}{}error={}.'.format(
status_str,
', ' if status_str else '',
r.status_code))
self.logger.debug('Response Details:\r\n{}'.format(r.content))
# Return; we're done
return False
else:
self.logger.info('Sent Pushed notification.')
except requests.RequestException as e:
self.logger.warning(
'A Connection error occurred sending Pushed notification.')
self.logger.debug('Socket Exception: %s' % str(e))
# Return; we're done
return False
return True
def url(self, privacy=False, *args, **kwargs):
"""
Returns the URL built dynamically based on specified arguments.
"""
# Our URL parameters
params = self.url_parameters(privacy=privacy, *args, **kwargs)
return '{schema}://{app_key}/{app_secret}/{targets}/?{params}'.format(
schema=self.secure_protocol,
app_key=self.pprint(self.app_key, privacy, safe=''),
app_secret=self.pprint(
self.app_secret, privacy, mode=PrivacyMode.Secret, safe=''),
targets='/'.join(
[NotifyPushed.quote(x) for x in chain(
# Channels are prefixed with a pound/hashtag symbol
['#{}'.format(x) for x in self.channels],
# Users are prefixed with an @ symbol
['@{}'.format(x) for x in self.users],
)]),
params=NotifyPushed.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, verify_host=False)
if not results:
# We're done early as we couldn't load the results
return results
# The first token is stored in the hostname
app_key = NotifyPushed.unquote(results['host'])
entries = NotifyPushed.split_path(results['fullpath'])
# Now fetch the remaining tokens
try:
app_secret = entries.pop(0)
except IndexError:
# Force some bad values that will get caught
# in parsing later
app_secret = None
app_key = None
# Get our recipients (based on remaining entries)
results['targets'] = entries
# The 'to' makes it easier to use yaml configuration
if 'to' in results['qsd'] and len(results['qsd']['to']):
results['targets'] += \
NotifyPushed.parse_list(results['qsd']['to'])
results['app_key'] = app_key
results['app_secret'] = app_secret
return results