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414 lines
14 KiB
Python
414 lines
14 KiB
Python
# BSD 2-Clause License
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#
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# Apprise - Push Notification Library.
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# Copyright (c) 2026, Chris Caron <lead2gold@gmail.com>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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# To use this plugin, sign up with Hampager (you need to be a licensed
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# ham radio operator
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# http://www.hampager.de/
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#
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# You're done at this point, you only need to know your user/pass that
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# you signed up with.
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# The following URLs would be accepted by Apprise:
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# - dapnet://{user}:{password}@{callsign}
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# - dapnet://{user}:{password}@{callsign1}/{callsign2}
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# Optional parameters:
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# - priority (NORMAL or EMERGENCY). Default: NORMAL
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# - txgroups --> comma-separated list of DAPNET transmitter
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# groups. Default: 'dl-all'
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# https://hampager.de/#/transmitters/groups
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from json import dumps
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# The API reference used to build this plugin was documented here:
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# https://hampager.de/dokuwiki/doku.php#dapnet_api
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#
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import requests
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from requests.auth import HTTPBasicAuth
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from ..common import NotifyType
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from ..locale import gettext_lazy as _
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from ..url import PrivacyMode
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from ..utils.parse import is_call_sign, parse_bool, parse_call_sign, parse_list
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from .base import NotifyBase
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class DapnetPriority:
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NORMAL = 0
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EMERGENCY = 1
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DAPNET_PRIORITIES = {
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DapnetPriority.NORMAL: "normal",
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DapnetPriority.EMERGENCY: "emergency",
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}
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DAPNET_PRIORITY_MAP = {
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# Maps against string 'normal'
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"n": DapnetPriority.NORMAL,
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# Maps against string 'emergency'
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"e": DapnetPriority.EMERGENCY,
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# Entries to additionally support (so more like Dapnet's API)
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"0": DapnetPriority.NORMAL,
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"1": DapnetPriority.EMERGENCY,
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}
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class NotifyDapnet(NotifyBase):
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"""A wrapper for DAPNET / Hampager Notifications."""
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# The default descriptive name associated with the Notification
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service_name = "Dapnet"
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# The services URL
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service_url = "https://hampager.de/"
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# The default secure protocol
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secure_protocol = "dapnet"
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# A URL that takes you to the setup/help of the specific protocol
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setup_url = "https://appriseit.com/services/dapnet/"
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# Dapnet uses the http protocol with JSON requests
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notify_url = "http://www.hampager.de:8080/calls"
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# The maximum length of the body
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body_maxlen = 80
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# A title can not be used for Dapnet Messages. Setting this to zero will
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# cause any title (if defined) to get placed into the message body.
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title_maxlen = 0
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# The maximum amount of emails that can reside within a single transmission
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default_batch_size = 50
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# Define object templates
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templates = ("{schema}://{user}:{password}@{targets}",)
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# Define our template tokens
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template_tokens = dict(
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NotifyBase.template_tokens,
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**{
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"user": {
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"name": _("User Name"),
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"type": "string",
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"required": True,
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},
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"password": {
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"name": _("Password"),
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"type": "string",
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"private": True,
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"required": True,
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},
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"target_callsign": {
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"name": _("Target Callsign"),
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"type": "string",
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"regex": (
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r"^[a-z0-9]{2,5}(-[a-z0-9]{1,2})?$",
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"i",
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),
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"map_to": "targets",
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},
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"targets": {
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"name": _("Targets"),
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"type": "list:string",
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"required": True,
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},
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},
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)
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# Define our template arguments
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template_args = dict(
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NotifyBase.template_args,
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**{
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"priority": {
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"name": _("Priority"),
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"type": "choice:int",
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"values": DAPNET_PRIORITIES,
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"default": DapnetPriority.NORMAL,
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},
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"txgroups": {
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"name": _("Transmitter Groups"),
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"type": "string",
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"default": "dl-all",
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"private": True,
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},
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"to": {
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"name": _("Target Callsign"),
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"type": "string",
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"map_to": "targets",
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},
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"batch": {
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"name": _("Batch Mode"),
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"type": "bool",
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"default": False,
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},
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},
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)
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def __init__(
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self, targets=None, priority=None, txgroups=None, batch=False, **kwargs
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):
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"""Initialize Dapnet Object."""
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super().__init__(**kwargs)
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# Parse our targets
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self.targets = []
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# The Priority of the message
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self.priority = int(
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NotifyDapnet.template_args["priority"]["default"]
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if priority is None
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else next(
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(
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v
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for k, v in DAPNET_PRIORITY_MAP.items()
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if str(priority).lower().startswith(k)
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),
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NotifyDapnet.template_args["priority"]["default"],
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)
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)
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if not (self.user and self.password):
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msg = "A Dapnet user/pass was not provided."
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self.logger.warning(msg)
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raise TypeError(msg)
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# Get the transmitter group
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self.txgroups = parse_list(
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txgroups
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if txgroups
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else NotifyDapnet.template_args["txgroups"]["default"]
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)
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# Prepare Batch Mode Flag
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self.batch = batch
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for target in parse_call_sign(targets):
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# Validate targets and drop bad ones:
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result = is_call_sign(target)
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if not result:
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self.logger.warning(
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f"Dropping invalid Amateur radio call sign ({target}).",
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)
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continue
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# Store callsign without SSID and ignore duplicates
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if result["callsign"] not in self.targets:
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self.targets.append(result["callsign"])
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return
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def send(self, body, title="", notify_type=NotifyType.INFO, **kwargs):
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"""Perform Dapnet Notification."""
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if not self.targets:
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# There is no one to email; we're done
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self.logger.warning(
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"There are no Amateur radio callsigns to notify"
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)
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return False
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# Send in batches if identified to do so
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batch_size = 1 if not self.batch else self.default_batch_size
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headers = {
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"User-Agent": self.app_id,
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"Content-Type": "application/json; charset=utf-8",
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}
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# error tracking (used for function return)
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has_error = False
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# Create a copy of the targets list
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targets = list(self.targets)
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for index in range(0, len(targets), batch_size):
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# prepare JSON payload
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payload = {
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"text": body,
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"callSignNames": targets[index : index + batch_size],
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"transmitterGroupNames": self.txgroups,
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"emergency": self.priority == DapnetPriority.EMERGENCY,
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}
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self.logger.debug(f"DAPNET POST URL: {self.notify_url}")
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self.logger.debug(f"DAPNET Payload: {dumps(payload)}")
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# Always call throttle before any remote server i/o is made
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self.throttle()
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try:
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r = requests.post(
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self.notify_url,
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data=dumps(payload),
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headers=headers,
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auth=HTTPBasicAuth(
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username=self.user, password=self.password
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),
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verify=self.verify_certificate,
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timeout=self.request_timeout,
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allow_redirects=self.redirects,
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)
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if r.status_code != requests.codes.created:
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# We had a problem
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self.logger.warning(
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"Failed to send DAPNET notification {} to {}: "
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"error={}.".format(
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payload["text"],
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f" to {self.targets}",
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r.status_code,
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)
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)
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self.logger.debug(
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"Response Details:\r\n%r", (r.content or b"")[:2000]
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)
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# Mark our failure
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has_error = True
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else:
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self.logger.info(
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"Sent '{}' DAPNET notification {}".format(
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payload["text"], f"to {self.targets}"
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)
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)
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except requests.RequestException as e:
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self.logger.warning(
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"A Connection error occurred sending DAPNET "
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f"notification to {self.targets}"
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)
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self.logger.debug(f"Socket Exception: {e!s}")
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# Mark our failure
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has_error = True
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return not has_error
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def url(self, privacy=False, *args, **kwargs):
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"""Returns the URL built dynamically based on specified arguments."""
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# Define any URL parameters
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params = {
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"priority": (
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DAPNET_PRIORITIES[self.template_args["priority"]["default"]]
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if self.priority not in DAPNET_PRIORITIES
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else DAPNET_PRIORITIES[self.priority]
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),
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"batch": "yes" if self.batch else "no",
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"txgroups": ",".join(self.txgroups),
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}
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# Extend our parameters
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params.update(self.url_parameters(privacy=privacy, *args, **kwargs))
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# Setup Authentication
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auth = "{user}:{password}@".format(
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user=NotifyDapnet.quote(self.user, safe=""),
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password=self.pprint(
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self.password, privacy, mode=PrivacyMode.Secret, safe=""
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),
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)
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return "{schema}://{auth}{targets}?{params}".format(
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schema=self.secure_protocol,
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auth=auth,
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targets="/".join(
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[self.pprint(x, privacy, safe="") for x in self.targets]
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),
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params=NotifyDapnet.urlencode(params),
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)
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@property
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def url_identifier(self):
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"""Returns all of the identifiers that make this URL unique from
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another simliar one.
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Targets or end points should never be identified here.
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"""
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return (self.secure_protocol, self.user, self.password)
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def __len__(self):
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"""Returns the number of targets associated with this notification."""
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#
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# Factor batch into calculation
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#
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batch_size = 1 if not self.batch else self.default_batch_size
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targets = len(self.targets)
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if batch_size > 1:
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targets = int(targets / batch_size) + (
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1 if targets % batch_size else 0
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)
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return targets
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@staticmethod
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def parse_url(url):
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"""Parses the URL and returns enough arguments that can allow us to re-
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instantiate this object."""
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results = NotifyBase.parse_url(url, verify_host=False)
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if not results:
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# We're done early as we couldn't load the results
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return results
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# All elements are targets
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results["targets"] = [NotifyDapnet.unquote(results["host"])]
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# All entries after the hostname are additional targets
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results["targets"].extend(NotifyDapnet.split_path(results["fullpath"]))
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# Support the 'to' variable so that we can support rooms this way too
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# The 'to' makes it easier to use yaml configuration
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if "to" in results["qsd"] and len(results["qsd"]["to"]):
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results["targets"] += NotifyDapnet.parse_list(results["qsd"]["to"])
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# Set our priority
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if "priority" in results["qsd"] and len(results["qsd"]["priority"]):
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results["priority"] = NotifyDapnet.unquote(
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results["qsd"]["priority"]
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)
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# Check for one or multiple transmitter groups (comma separated)
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# and split them up, when necessary
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if "txgroups" in results["qsd"]:
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results["txgroups"] = [
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x.lower()
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for x in NotifyDapnet.parse_list(results["qsd"]["txgroups"])
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]
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# Get Batch Mode Flag
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results["batch"] = parse_bool(
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results["qsd"].get(
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"batch", NotifyDapnet.template_args["batch"]["default"]
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)
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)
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return results
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