bazarr/libs/apprise/plugins/NotifyPushover.py

585 lines
19 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 six
import requests
from .NotifyBase import NotifyBase
from ..common import NotifyType
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'^[a-z0-9_]{1,25}$', re.I)
# Priorities
class PushoverPriority(object):
LOW = -2
MODERATE = -1
NORMAL = 0
HIGH = 1
EMERGENCY = 2
# Sounds
class PushoverSound(object):
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 = (
PushoverPriority.LOW,
PushoverPriority.MODERATE,
PushoverPriority.NORMAL,
PushoverPriority.HIGH,
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'
# The maximum allowable characters allowed in the body per message
body_maxlen = 512
# 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,
'regex': (r'^[a-z0-9]{30}$', 'i'),
},
'token': {
'name': _('Access Token'),
'type': 'string',
'private': True,
'required': True,
'regex': (r'^[a-z0-9]{30}$', 'i'),
},
'target_device': {
'name': _('Target Device'),
'type': 'string',
'regex': (r'^[a-z0-9_]{1,25}$', '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,
},
'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, **kwargs):
"""
Initialize Pushover Object
"""
super(NotifyPushover, self).__init__(**kwargs)
# Access Token (associated with project)
self.token = validate_regex(
token, *self.template_tokens['token']['regex'])
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, *self.template_tokens['user_key']['regex'])
if not self.user_key:
msg = 'An invalid Pushover User Key ' \
'({}) was specified.'.format(user_key)
self.logger.warning(msg)
raise TypeError(msg)
self.targets = parse_list(targets)
if len(self.targets) == 0:
self.targets = (PUSHOVER_SEND_TO_ALL, )
# Setup our sound
self.sound = NotifyPushover.default_pushover_sound \
if not isinstance(sound, six.string_types) else sound.lower()
if self.sound and self.sound not in PUSHOVER_SOUNDS:
msg = 'The sound specified ({}) is invalid.'.format(sound)
self.logger.warning(msg)
raise TypeError(msg)
# The Priority of the message
if priority not in PUSHOVER_PRIORITIES:
self.priority = self.template_args['priority']['default']
else:
self.priority = priority
# 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
"""
# error tracking (used for function return)
has_error = False
# Create a copy of the devices list
devices = list(self.targets)
while len(devices):
device = devices.pop(0)
if VALIDATE_DEVICE.match(device) is None:
self.logger.warning(
'The device specified (%s) is invalid.' % device,
)
# Mark our failure
has_error = True
continue
# 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': device,
'sound': self.sound,
}
if self.priority == PushoverPriority.EMERGENCY:
payload.update({'retry': self.retry, 'expire': self.expire})
if attach:
# Create a copy of our payload
_payload = payload.copy()
# Send with attachments
for attachment in attach:
# Simple send
if not self._send(_payload, attachment):
# Mark our failure
has_error = True
# clean exit from our attachment loop
break
# To handle multiple attachments, clean up our message
_payload['title'] = '...'
_payload['message'] = attachment.name
# No need to alarm for each consecutive attachment uploaded
# afterwards
_payload['sound'] = PushoverSound.NONE
else:
# Simple send
if not self._send(payload):
# Mark our failure
has_error = True
return not has_error
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)))
return True
# 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,
)
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 occured 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 occured 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.
"""
_map = {
PushoverPriority.LOW: 'low',
PushoverPriority.MODERATE: 'moderate',
PushoverPriority.NORMAL: 'normal',
PushoverPriority.HIGH: 'high',
PushoverPriority.EMERGENCY: 'emergency',
}
# Define any arguments set
args = {
'format': self.notify_format,
'overflow': self.overflow_mode,
'priority':
_map[self.template_args['priority']['default']]
if self.priority not in _map else _map[self.priority],
'verify': 'yes' if self.verify_certificate else 'no',
}
# Only add expire and retry for emergency messages,
# pushover ignores for all other priorities
if self.priority == PushoverPriority.EMERGENCY:
args.update({'expire': self.expire, 'retry': self.retry})
# Escape our devices
devices = '/'.join([NotifyPushover.quote(x, safe='')
for x in self.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}/?{args}'.format(
schema=self.secure_protocol,
user_key=self.pprint(self.user_key, privacy, safe=''),
token=self.pprint(self.token, privacy, safe=''),
devices=devices,
args=NotifyPushover.urlencode(args))
@staticmethod
def parse_url(url):
"""
Parses the URL and returns enough arguments that can allow
us to substantiate this object.
"""
results = NotifyBase.parse_url(url)
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']):
_map = {
'l': PushoverPriority.LOW,
'm': PushoverPriority.MODERATE,
'n': PushoverPriority.NORMAL,
'h': PushoverPriority.HIGH,
'e': PushoverPriority.EMERGENCY,
}
try:
results['priority'] = \
_map[results['qsd']['priority'][0].lower()]
except KeyError:
# No priority was set
pass
# 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 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