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bazarr/libs/apprise/plugins/dapnet.py
2026-06-20 00:29:12 -04:00

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Python

# BSD 2-Clause License
#
# Apprise - Push Notification Library.
# Copyright (c) 2026, 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 ..common import NotifyType
from ..locale import gettext_lazy as _
from ..url import PrivacyMode
from ..utils.parse import is_call_sign, parse_bool, parse_call_sign, parse_list
from .base import NotifyBase
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://appriseit.com/services/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,
**{
"priority": {
"name": _("Priority"),
"type": "choice:int",
"values": DAPNET_PRIORITIES,
"default": DapnetPriority.NORMAL,
},
"txgroups": {
"name": _("Transmitter Groups"),
"type": "string",
"default": "dl-all",
"private": True,
},
"to": {
"name": _("Target Callsign"),
"type": "string",
"map_to": "targets",
},
"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 = []
# 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(
txgroups
if txgroups
else NotifyDapnet.template_args["txgroups"]["default"]
)
# 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(
f"Dropping invalid Amateur radio call sign ({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(f"DAPNET POST URL: {self.notify_url}")
self.logger.debug(f"DAPNET Payload: {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,
allow_redirects=self.redirects,
)
if r.status_code != requests.codes.created:
# We had a problem
self.logger.warning(
"Failed to send DAPNET notification {} to {}: "
"error={}.".format(
payload["text"],
f" to {self.targets}",
r.status_code,
)
)
self.logger.debug(
"Response Details:\r\n%r", (r.content or b"")[:2000]
)
# Mark our failure
has_error = True
else:
self.logger.info(
"Sent '{}' DAPNET notification {}".format(
payload["text"], f"to {self.targets}"
)
)
except requests.RequestException as e:
self.logger.warning(
"A Connection error occurred sending DAPNET "
f"notification to {self.targets}"
)
self.logger.debug(f"Socket Exception: {e!s}")
# 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),
)
@property
def url_identifier(self):
"""Returns all of the identifiers that make this URL unique from
another simliar one.
Targets or end points should never be identified here.
"""
return (self.secure_protocol, self.user, self.password)
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