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bazarr/libs/apprise/plugins/NotifyPushover.py

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21 KiB

# -*- coding: utf-8 -*-
# BSD 2-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.
#
# 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 itertools import chain
from .NotifyBase import NotifyBase
from ..common import NotifyType
from ..common import NotifyFormat
from ..conversion import convert_between
from ..utils import parse_list
from ..utils import validate_regex
from ..AppriseLocale import gettext_lazy as _
from ..attachment.AttachBase import AttachBase
# Flag used as a placeholder to sending to all devices
PUSHOVER_SEND_TO_ALL = 'ALL_DEVICES'
# Used to detect a Device
VALIDATE_DEVICE = re.compile(r'^\s*(?P<device>[a-z0-9_-]{1,25})\s*$', re.I)
# Priorities
class PushoverPriority:
LOW = -2
MODERATE = -1
NORMAL = 0
HIGH = 1
EMERGENCY = 2
# Sounds
class PushoverSound:
PUSHOVER = 'pushover'
BIKE = 'bike'
BUGLE = 'bugle'
CASHREGISTER = 'cashregister'
CLASSICAL = 'classical'
COSMIC = 'cosmic'
FALLING = 'falling'
GAMELAN = 'gamelan'
INCOMING = 'incoming'
INTERMISSION = 'intermission'
MAGIC = 'magic'
MECHANICAL = 'mechanical'
PIANOBAR = 'pianobar'
SIREN = 'siren'
SPACEALARM = 'spacealarm'
TUGBOAT = 'tugboat'
ALIEN = 'alien'
CLIMB = 'climb'
PERSISTENT = 'persistent'
ECHO = 'echo'
UPDOWN = 'updown'
NONE = 'none'
PUSHOVER_SOUNDS = (
PushoverSound.PUSHOVER,
PushoverSound.BIKE,
PushoverSound.BUGLE,
PushoverSound.CASHREGISTER,
PushoverSound.CLASSICAL,
PushoverSound.COSMIC,
PushoverSound.FALLING,
PushoverSound.GAMELAN,
PushoverSound.INCOMING,
PushoverSound.INTERMISSION,
PushoverSound.MAGIC,
PushoverSound.MECHANICAL,
PushoverSound.PIANOBAR,
PushoverSound.SIREN,
PushoverSound.SPACEALARM,
PushoverSound.TUGBOAT,
PushoverSound.ALIEN,
PushoverSound.CLIMB,
PushoverSound.PERSISTENT,
PushoverSound.ECHO,
PushoverSound.UPDOWN,
PushoverSound.NONE,
)
PUSHOVER_PRIORITIES = {
# Note: This also acts as a reverse lookup mapping
PushoverPriority.LOW: 'low',
PushoverPriority.MODERATE: 'moderate',
PushoverPriority.NORMAL: 'normal',
PushoverPriority.HIGH: 'high',
PushoverPriority.EMERGENCY: 'emergency',
}
PUSHOVER_PRIORITY_MAP = {
# Maps against string 'low'
'l': PushoverPriority.LOW,
# Maps against string 'moderate'
'm': PushoverPriority.MODERATE,
# Maps against string 'normal'
'n': PushoverPriority.NORMAL,
# Maps against string 'high'
'h': PushoverPriority.HIGH,
# Maps against string 'emergency'
'e': PushoverPriority.EMERGENCY,
# Entries to additionally support (so more like Pushover's API)
'-2': PushoverPriority.LOW,
'-1': PushoverPriority.MODERATE,
'0': PushoverPriority.NORMAL,
'1': PushoverPriority.HIGH,
'2': PushoverPriority.EMERGENCY,
}
# Extend HTTP Error Messages
PUSHOVER_HTTP_ERROR_MAP = {
401: 'Unauthorized - Invalid Token.',
}
class NotifyPushover(NotifyBase):
"""
A wrapper for Pushover Notifications
"""
# The default descriptive name associated with the Notification
service_name = 'Pushover'
# The services URL
service_url = 'https://pushover.net/'
# All pushover requests are secure
secure_protocol = 'pover'
# A URL that takes you to the setup/help of the specific protocol
setup_url = 'https://github.com/caronc/apprise/wiki/Notify_pushover'
# Pushover uses the http protocol with JSON requests
notify_url = 'https://api.pushover.net/1/messages.json'
# Support attachments
attachment_support = True
# The maximum allowable characters allowed in the body per message
body_maxlen = 1024
# Default Pushover sound
default_pushover_sound = PushoverSound.PUSHOVER
# 2.5MB is the maximum supported image filesize as per documentation
# here: https://pushover.net/api#attachments (Dec 26th, 2019)
attach_max_size_bytes = 2621440
# The regular expression of the current attachment supported mime types
# At this time it is only images
attach_supported_mime_type = r'^image/.*'
# Define object templates
templates = (
'{schema}://{user_key}@{token}',
'{schema}://{user_key}@{token}/{targets}',
)
# Define our template tokens
template_tokens = dict(NotifyBase.template_tokens, **{
'user_key': {
'name': _('User Key'),
'type': 'string',
'private': True,
'required': True,
},
'token': {
'name': _('Access Token'),
'type': 'string',
'private': True,
'required': True,
},
'target_device': {
'name': _('Target Device'),
'type': 'string',
'regex': (r'^[a-z0-9_-]{1,25}$', 'i'),
'map_to': 'targets',
},
'targets': {
'name': _('Targets'),
'type': 'list:string',
},
})
# Define our template arguments
template_args = dict(NotifyBase.template_args, **{
'priority': {
'name': _('Priority'),
'type': 'choice:int',
'values': PUSHOVER_PRIORITIES,
'default': PushoverPriority.NORMAL,
},
'sound': {
'name': _('Sound'),
'type': 'string',
'regex': (r'^[a-z]{1,12}$', 'i'),
'default': PushoverSound.PUSHOVER,
},
'url': {
'name': _('URL'),
'map_to': 'supplemental_url',
'type': 'string',
},
'url_title': {
'name': _('URL Title'),
'map_to': 'supplemental_url_title',
'type': 'string'
},
'retry': {
'name': _('Retry'),
'type': 'int',
'min': 30,
'default': 900, # 15 minutes
},
'expire': {
'name': _('Expire'),
'type': 'int',
'min': 0,
'max': 10800,
'default': 3600, # 1 hour
},
'to': {
'alias_of': 'targets',
},
})
def __init__(self, user_key, token, targets=None, priority=None,
sound=None, retry=None, expire=None, supplemental_url=None,
supplemental_url_title=None, **kwargs):
"""
Initialize Pushover Object
"""
super().__init__(**kwargs)
# Access Token (associated with project)
self.token = validate_regex(token)
if not self.token:
msg = 'An invalid Pushover Access Token ' \
'({}) was specified.'.format(token)
self.logger.warning(msg)
raise TypeError(msg)
# User Key (associated with project)
self.user_key = validate_regex(user_key)
if not self.user_key:
msg = 'An invalid Pushover User Key ' \
'({}) was specified.'.format(user_key)
self.logger.warning(msg)
raise TypeError(msg)
# Track our valid devices
targets = parse_list(targets)
# Track any invalid entries
self.invalid_targets = list()
if len(targets) == 0:
self.targets = (PUSHOVER_SEND_TO_ALL, )
else:
self.targets = []
for target in targets:
result = VALIDATE_DEVICE.match(target)
if result:
# Store device information
self.targets.append(result.group('device'))
continue
self.logger.warning(
'Dropped invalid Pushover device '
'({}) specified.'.format(target),
)
self.invalid_targets.append(target)
# Setup supplemental url
self.supplemental_url = supplemental_url
self.supplemental_url_title = supplemental_url_title
# Setup our sound
self.sound = NotifyPushover.default_pushover_sound \
if not isinstance(sound, str) else sound.lower()
if self.sound and self.sound not in PUSHOVER_SOUNDS:
msg = 'Using custom sound specified ({}). '.format(sound)
self.logger.debug(msg)
# The Priority of the message
self.priority = int(
NotifyPushover.template_args['priority']['default']
if priority is None else
next((
v for k, v in PUSHOVER_PRIORITY_MAP.items()
if str(priority).lower().startswith(k)),
NotifyPushover.template_args['priority']['default']))
# The following are for emergency alerts
if self.priority == PushoverPriority.EMERGENCY:
# How often to resend notification, in seconds
self.retry = self.template_args['retry']['default']
try:
self.retry = int(retry)
except (ValueError, TypeError):
# Do nothing
pass
# How often to resend notification, in seconds
self.expire = self.template_args['expire']['default']
try:
self.expire = int(expire)
except (ValueError, TypeError):
# Do nothing
pass
if self.retry < 30:
msg = 'Pushover retry must be at least 30 seconds.'
self.logger.warning(msg)
raise TypeError(msg)
if self.expire < 0 or self.expire > 10800:
msg = 'Pushover expire must reside in the range of ' \
'0 to 10800 seconds.'
self.logger.warning(msg)
raise TypeError(msg)
return
def send(self, body, title='', notify_type=NotifyType.INFO, attach=None,
**kwargs):
"""
Perform Pushover Notification
"""
if not self.targets:
# There were no services to notify
self.logger.warning(
'There were no Pushover targets to notify.')
return False
# prepare JSON Object
payload = {
'token': self.token,
'user': self.user_key,
'priority': str(self.priority),
'title': title if title else self.app_desc,
'message': body,
'device': ','.join(self.targets),
'sound': self.sound,
}
if self.supplemental_url:
payload['url'] = self.supplemental_url
if self.supplemental_url_title:
payload['url_title'] = self.supplemental_url_title
if self.notify_format == NotifyFormat.HTML:
# https://pushover.net/api#html
payload['html'] = 1
elif self.notify_format == NotifyFormat.MARKDOWN:
payload['message'] = convert_between(
NotifyFormat.MARKDOWN, NotifyFormat.HTML, body)
payload['html'] = 1
if self.priority == PushoverPriority.EMERGENCY:
payload.update({'retry': self.retry, 'expire': self.expire})
if attach and self.attachment_support:
# Create a copy of our payload
_payload = payload.copy()
# Send with attachments
for no, attachment in enumerate(attach):
if no or not body:
# To handle multiple attachments, clean up our message
_payload['message'] = attachment.name
if not self._send(_payload, attachment):
# Mark our failure
return False
# Clear our title if previously set
_payload['title'] = ''
# No need to alarm for each consecutive attachment uploaded
# afterwards
_payload['sound'] = PushoverSound.NONE
else:
# Simple send
return self._send(payload)
return True
def _send(self, payload, attach=None):
"""
Wrapper to the requests (post) object
"""
if isinstance(attach, AttachBase):
# Perform some simple error checking
if not attach:
# We could not access the attachment
self.logger.error(
'Could not access attachment {}.'.format(
attach.url(privacy=True)))
return False
# Perform some basic checks as we want to gracefully skip
# over unsupported mime types.
if not re.match(
self.attach_supported_mime_type,
attach.mimetype,
re.I):
# No problem; we just don't support this attachment
# type; gracefully move along
self.logger.debug(
'Ignored unsupported Pushover attachment ({}): {}'
.format(
attach.mimetype,
attach.url(privacy=True)))
attach = None
else:
# If we get here, we're dealing with a supported image.
# Verify that the filesize is okay though.
file_size = len(attach)
if not (file_size > 0
and file_size <= self.attach_max_size_bytes):
# File size is no good
self.logger.warning(
'Pushover attachment size ({}B) exceeds limit: {}'
.format(file_size, attach.url(privacy=True)))
return False
self.logger.debug(
'Posting Pushover attachment {}'.format(
attach.url(privacy=True)))
# Default Header
headers = {
'User-Agent': self.app_id,
}
# Authentication
auth = (self.token, '')
# Some default values for our request object to which we'll update
# depending on what our payload is
files = None
self.logger.debug('Pushover POST URL: %s (cert_verify=%r)' % (
self.notify_url, self.verify_certificate,
))
self.logger.debug('Pushover Payload: %s' % str(payload))
# Always call throttle before any remote server i/o is made
self.throttle()
try:
# Open our attachment path if required:
if attach:
files = {'attachment': (attach.name, open(attach.path, 'rb'))}
r = requests.post(
self.notify_url,
data=payload,
headers=headers,
files=files,
auth=auth,
verify=self.verify_certificate,
timeout=self.request_timeout,
)
if r.status_code != requests.codes.ok:
# We had a problem
status_str = \
NotifyPushover.http_response_code_lookup(
r.status_code, PUSHOVER_HTTP_ERROR_MAP)
self.logger.warning(
'Failed to send Pushover notification to {}: '
'{}{}error={}.'.format(
payload['device'],
status_str,
', ' if status_str else '',
r.status_code))
self.logger.debug(
'Response Details:\r\n{}'.format(r.content))
return False
else:
self.logger.info(
'Sent Pushover notification to %s.' % payload['device'])
except requests.RequestException as e:
self.logger.warning(
'A Connection error occurred sending Pushover:%s ' % (
payload['device']) + 'notification.'
)
self.logger.debug('Socket Exception: %s' % str(e))
return False
except (OSError, IOError) as e:
self.logger.warning(
'An I/O error occurred while reading {}.'.format(
attach.name if attach else 'attachment'))
self.logger.debug('I/O Exception: %s' % str(e))
return False
finally:
# Close our file (if it's open) stored in the second element
# of our files tuple (index 1)
if files:
files['attachment'][1].close()
return True
def url(self, privacy=False, *args, **kwargs):
"""
Returns the URL built dynamically based on specified arguments.
"""
# Define any URL parameters
params = {
'priority':
PUSHOVER_PRIORITIES[self.template_args['priority']['default']]
if self.priority not in PUSHOVER_PRIORITIES
else PUSHOVER_PRIORITIES[self.priority],
}
# Only add expire and retry for emergency messages,
# pushover ignores for all other priorities
if self.priority == PushoverPriority.EMERGENCY:
params.update({'expire': self.expire, 'retry': self.retry})
# Extend our parameters
params.update(self.url_parameters(privacy=privacy, *args, **kwargs))
# Escape our devices
devices = '/'.join(
[NotifyPushover.quote(x, safe='')
for x in chain(self.targets, self.invalid_targets)])
if devices == PUSHOVER_SEND_TO_ALL:
# keyword is reserved for internal usage only; it's safe to remove
# it from the devices list
devices = ''
return '{schema}://{user_key}@{token}/{devices}/?{params}'.format(
schema=self.secure_protocol,
user_key=self.pprint(self.user_key, privacy, safe=''),
token=self.pprint(self.token, privacy, safe=''),
devices=devices,
params=NotifyPushover.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
# Set our priority
if 'priority' in results['qsd'] and len(results['qsd']['priority']):
results['priority'] = \
NotifyPushover.unquote(results['qsd']['priority'])
# Retrieve all of our targets
results['targets'] = NotifyPushover.split_path(results['fullpath'])
# User Key is retrieved from the user
results['user_key'] = NotifyPushover.unquote(results['user'])
# Get the sound
if 'sound' in results['qsd'] and len(results['qsd']['sound']):
results['sound'] = \
NotifyPushover.unquote(results['qsd']['sound'])
# Get the supplementary url
if 'url' in results['qsd'] and len(results['qsd']['url']):
results['supplemental_url'] = NotifyPushover.unquote(
results['qsd']['url']
)
if 'url_title' in results['qsd'] and len(results['qsd']['url_title']):
results['supplemental_url_title'] = results['qsd']['url_title']
# Get expire and retry
if 'expire' in results['qsd'] and len(results['qsd']['expire']):
results['expire'] = results['qsd']['expire']
if 'retry' in results['qsd'] and len(results['qsd']['retry']):
results['retry'] = results['qsd']['retry']
# The 'to' makes it easier to use yaml configuration
if 'to' in results['qsd'] and len(results['qsd']['to']):
results['targets'] += \
NotifyPushover.parse_list(results['qsd']['to'])
# Token
results['token'] = NotifyPushover.unquote(results['host'])
return results