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bazarr/libs/apprise/plugins/NotifyDapnet.py

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# -*- 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.
# To use this plugin, sign up with Hampager (you need to be a licensed
# ham radio operator
# http://www.hampager.de/
#
# You're done at this point, you only need to know your user/pass that
# you signed up with.
# The following URLs would be accepted by Apprise:
# - dapnet://{user}:{password}@{callsign}
# - dapnet://{user}:{password}@{callsign1}/{callsign2}
# Optional parameters:
# - priority (NORMAL or EMERGENCY). Default: NORMAL
# - txgroups --> comma-separated list of DAPNET transmitter
# groups. Default: 'dl-all'
# https://hampager.de/#/transmitters/groups
from json import dumps
# The API reference used to build this plugin was documented here:
# https://hampager.de/dokuwiki/doku.php#dapnet_api
#
import requests
from requests.auth import HTTPBasicAuth
from .NotifyBase import NotifyBase
from ..AppriseLocale import gettext_lazy as _
from ..URLBase import PrivacyMode
from ..common import NotifyType
from ..utils import is_call_sign
from ..utils import parse_call_sign
from ..utils import parse_list
from ..utils import parse_bool
class DapnetPriority:
NORMAL = 0
EMERGENCY = 1
DAPNET_PRIORITIES = {
DapnetPriority.NORMAL: 'normal',
DapnetPriority.EMERGENCY: 'emergency',
}
DAPNET_PRIORITY_MAP = {
# Maps against string 'normal'
'n': DapnetPriority.NORMAL,
# Maps against string 'emergency'
'e': DapnetPriority.EMERGENCY,
# Entries to additionally support (so more like Dapnet's API)
'0': DapnetPriority.NORMAL,
'1': DapnetPriority.EMERGENCY,
}
class NotifyDapnet(NotifyBase):
"""
A wrapper for DAPNET / Hampager Notifications
"""
# The default descriptive name associated with the Notification
service_name = 'Dapnet'
# The services URL
service_url = 'https://hampager.de/'
# The default secure protocol
secure_protocol = 'dapnet'
# A URL that takes you to the setup/help of the specific protocol
setup_url = 'https://github.com/caronc/apprise/wiki/Notify_dapnet'
# Dapnet uses the http protocol with JSON requests
notify_url = 'http://www.hampager.de:8080/calls'
# The maximum length of the body
body_maxlen = 80
# A title can not be used for Dapnet Messages. Setting this to zero will
# cause any title (if defined) to get placed into the message body.
title_maxlen = 0
# The maximum amount of emails that can reside within a single transmission
default_batch_size = 50
# Define object templates
templates = ('{schema}://{user}:{password}@{targets}',)
# Define our template tokens
template_tokens = dict(
NotifyBase.template_tokens,
**{
'user': {
'name': _('User Name'),
'type': 'string',
'required': True,
},
'password': {
'name': _('Password'),
'type': 'string',
'private': True,
'required': True,
},
'target_callsign': {
'name': _('Target Callsign'),
'type': 'string',
'regex': (
r'^[a-z0-9]{2,5}(-[a-z0-9]{1,2})?$', 'i',
),
'map_to': 'targets',
},
'targets': {
'name': _('Targets'),
'type': 'list:string',
'required': True,
},
}
)
# Define our template arguments
template_args = dict(
NotifyBase.template_args,
**{
'to': {
'name': _('Target Callsign'),
'type': 'string',
'map_to': 'targets',
},
'priority': {
'name': _('Priority'),
'type': 'choice:int',
'values': DAPNET_PRIORITIES,
'default': DapnetPriority.NORMAL,
},
'txgroups': {
'name': _('Transmitter Groups'),
'type': 'string',
'default': 'dl-all',
'private': True,
},
'batch': {
'name': _('Batch Mode'),
'type': 'bool',
'default': False,
},
}
)
def __init__(self, targets=None, priority=None, txgroups=None,
batch=False, **kwargs):
"""
Initialize Dapnet Object
"""
super().__init__(**kwargs)
# Parse our targets
self.targets = list()
# The Priority of the message
self.priority = int(
NotifyDapnet.template_args['priority']['default']
if priority is None else
next((
v for k, v in DAPNET_PRIORITY_MAP.items()
if str(priority).lower().startswith(k)),
NotifyDapnet.template_args['priority']['default']))
if not (self.user and self.password):
msg = 'A Dapnet user/pass was not provided.'
self.logger.warning(msg)
raise TypeError(msg)
# Get the transmitter group
self.txgroups = parse_list(
NotifyDapnet.template_args['txgroups']['default']
if not txgroups else txgroups)
# Prepare Batch Mode Flag
self.batch = batch
for target in parse_call_sign(targets):
# Validate targets and drop bad ones:
result = is_call_sign(target)
if not result:
self.logger.warning(
'Dropping invalid Amateur radio call sign ({}).'.format(
target),
)
continue
# Store callsign without SSID and ignore duplicates
if result['callsign'] not in self.targets:
self.targets.append(result['callsign'])
return
def send(self, body, title='', notify_type=NotifyType.INFO, **kwargs):
"""
Perform Dapnet Notification
"""
if not self.targets:
# There is no one to email; we're done
self.logger.warning(
'There are no Amateur radio callsigns to notify')
return False
# Send in batches if identified to do so
batch_size = 1 if not self.batch else self.default_batch_size
headers = {
'User-Agent': self.app_id,
'Content-Type': 'application/json; charset=utf-8',
}
# error tracking (used for function return)
has_error = False
# Create a copy of the targets list
targets = list(self.targets)
for index in range(0, len(targets), batch_size):
# prepare JSON payload
payload = {
'text': body,
'callSignNames': targets[index:index + batch_size],
'transmitterGroupNames': self.txgroups,
'emergency': (self.priority == DapnetPriority.EMERGENCY),
}
self.logger.debug('DAPNET POST URL: %s' % self.notify_url)
self.logger.debug('DAPNET Payload: %s' % dumps(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,
auth=HTTPBasicAuth(
username=self.user, password=self.password),
verify=self.verify_certificate,
timeout=self.request_timeout,
)
if r.status_code != requests.codes.created:
# We had a problem
self.logger.warning(
'Failed to send DAPNET notification {} to {}: '
'error={}.'.format(
payload['text'],
' to {}'.format(self.targets),
r.status_code
)
)
self.logger.debug(
'Response Details:\r\n{}'.format(r.content))
# Mark our failure
has_error = True
else:
self.logger.info(
'Sent \'{}\' DAPNET notification {}'.format(
payload['text'], 'to {}'.format(self.targets)
)
)
except requests.RequestException as e:
self.logger.warning(
'A Connection error occurred sending DAPNET '
'notification to {}'.format(self.targets)
)
self.logger.debug('Socket Exception: %s' % str(e))
# Mark our failure
has_error = True
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 = {
'priority':
DAPNET_PRIORITIES[self.template_args['priority']['default']]
if self.priority not in DAPNET_PRIORITIES
else DAPNET_PRIORITIES[self.priority],
'batch': 'yes' if self.batch else 'no',
'txgroups': ','.join(self.txgroups),
}
# Extend our parameters
params.update(self.url_parameters(privacy=privacy, *args, **kwargs))
# Setup Authentication
auth = '{user}:{password}@'.format(
user=NotifyDapnet.quote(self.user, safe=""),
password=self.pprint(
self.password, privacy, mode=PrivacyMode.Secret, safe=''
),
)
return '{schema}://{auth}{targets}?{params}'.format(
schema=self.secure_protocol,
auth=auth,
targets='/'.join([self.pprint(x, privacy, safe='')
for x in self.targets]),
params=NotifyDapnet.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
# All elements are targets
results['targets'] = [NotifyDapnet.unquote(results['host'])]
# All entries after the hostname are additional targets
results['targets'].extend(NotifyDapnet.split_path(results['fullpath']))
# Support the 'to' variable so that we can support rooms this way too
# The 'to' makes it easier to use yaml configuration
if 'to' in results['qsd'] and len(results['qsd']['to']):
results['targets'] += \
NotifyDapnet.parse_list(results['qsd']['to'])
# Set our priority
if 'priority' in results['qsd'] and len(results['qsd']['priority']):
results['priority'] = \
NotifyDapnet.unquote(results['qsd']['priority'])
# Check for one or multiple transmitter groups (comma separated)
# and split them up, when necessary
if 'txgroups' in results['qsd']:
results['txgroups'] = \
[x.lower() for x in
NotifyDapnet.parse_list(results['qsd']['txgroups'])]
# Get Batch Mode Flag
results['batch'] = \
parse_bool(results['qsd'].get(
'batch', NotifyDapnet.template_args['batch']['default']))
return results