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331 lines
10 KiB
Python
331 lines
10 KiB
Python
# -*- coding: utf-8 -*-
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# BSD 2-Clause License
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#
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# Apprise - Push Notification Library.
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# Copyright (c) 2023, 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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# Gotify Docker configuration: https://hub.docker.com/r/gotify/server
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# Example: https://github.com/gotify/server/blob/\
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# f2c2688f0b5e6a816bbcec768ca1c0de5af76b88/ADD_MESSAGE_EXAMPLES.md#python
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# API: https://gotify.net/docs/swagger-docs
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import requests
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from json import dumps
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from .NotifyBase import NotifyBase
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from ..common import NotifyType, NotifyFormat
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from ..utils import validate_regex
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from ..AppriseLocale import gettext_lazy as _
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# Priorities
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class GotifyPriority:
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LOW = 0
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MODERATE = 3
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NORMAL = 5
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HIGH = 8
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EMERGENCY = 10
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GOTIFY_PRIORITIES = {
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# Note: This also acts as a reverse lookup mapping
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GotifyPriority.LOW: 'low',
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GotifyPriority.MODERATE: 'moderate',
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GotifyPriority.NORMAL: 'normal',
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GotifyPriority.HIGH: 'high',
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GotifyPriority.EMERGENCY: 'emergency',
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}
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GOTIFY_PRIORITY_MAP = {
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# Maps against string 'low'
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'l': GotifyPriority.LOW,
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# Maps against string 'moderate'
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'm': GotifyPriority.MODERATE,
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# Maps against string 'normal'
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'n': GotifyPriority.NORMAL,
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# Maps against string 'high'
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'h': GotifyPriority.HIGH,
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# Maps against string 'emergency'
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'e': GotifyPriority.EMERGENCY,
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# Entries to additionally support (so more like Gotify's API)
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'10': GotifyPriority.EMERGENCY,
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# ^ 10 needs to be checked before '1' below or it will match the wrong
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# priority
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'0': GotifyPriority.LOW, '1': GotifyPriority.LOW, '2': GotifyPriority.LOW,
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'3': GotifyPriority.MODERATE, '4': GotifyPriority.MODERATE,
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'5': GotifyPriority.NORMAL, '6': GotifyPriority.NORMAL,
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'7': GotifyPriority.NORMAL,
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'8': GotifyPriority.HIGH, '9': GotifyPriority.HIGH,
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}
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class NotifyGotify(NotifyBase):
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"""
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A wrapper for Gotify Notifications
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"""
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# The default descriptive name associated with the Notification
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service_name = 'Gotify'
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# The services URL
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service_url = 'https://github.com/gotify/server'
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# The default protocol
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protocol = 'gotify'
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# The default secure protocol
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secure_protocol = 'gotifys'
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# A URL that takes you to the setup/help of the specific protocol
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setup_url = 'https://github.com/caronc/apprise/wiki/Notify_gotify'
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# Disable throttle rate
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request_rate_per_sec = 0
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# Define object templates
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templates = (
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'{schema}://{host}/{token}',
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'{schema}://{host}:{port}/{token}',
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'{schema}://{host}{path}{token}',
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'{schema}://{host}:{port}{path}{token}',
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)
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# Define our template tokens
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template_tokens = dict(NotifyBase.template_tokens, **{
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'token': {
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'name': _('Token'),
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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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'host': {
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'name': _('Hostname'),
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'type': 'string',
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'required': True,
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},
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'path': {
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'name': _('Path'),
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'type': 'string',
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'map_to': 'fullpath',
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'default': '/',
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},
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'port': {
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'name': _('Port'),
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'type': 'int',
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'min': 1,
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'max': 65535,
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},
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})
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# Define our template arguments
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template_args = dict(NotifyBase.template_args, **{
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'priority': {
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'name': _('Priority'),
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'type': 'choice:int',
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'values': GOTIFY_PRIORITIES,
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'default': GotifyPriority.NORMAL,
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},
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})
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def __init__(self, token, priority=None, **kwargs):
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"""
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Initialize Gotify Object
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"""
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super().__init__(**kwargs)
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# Token (associated with project)
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self.token = validate_regex(token)
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if not self.token:
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msg = 'An invalid Gotify Token ' \
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'({}) was specified.'.format(token)
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self.logger.warning(msg)
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raise TypeError(msg)
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# prepare our fullpath
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self.fullpath = kwargs.get('fullpath', '/')
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# The Priority of the message
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self.priority = int(
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NotifyGotify.template_args['priority']['default']
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if priority is None else
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next((
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v for k, v in GOTIFY_PRIORITY_MAP.items()
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if str(priority).lower().startswith(k)),
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NotifyGotify.template_args['priority']['default']))
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if self.secure:
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self.schema = 'https'
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else:
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self.schema = 'http'
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return
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def send(self, body, title='', notify_type=NotifyType.INFO, **kwargs):
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"""
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Perform Gotify Notification
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"""
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url = '%s://%s' % (self.schema, self.host)
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if self.port:
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url += ':%d' % self.port
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# Append our remaining path
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url += '{fullpath}message'.format(fullpath=self.fullpath)
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# Prepare Gotify Object
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payload = {
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'priority': self.priority,
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'title': title,
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'message': body,
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}
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if self.notify_format == NotifyFormat.MARKDOWN:
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payload["extras"] = {
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"client::display": {
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"contentType": "text/markdown"
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}
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}
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# Our headers
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headers = {
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'User-Agent': self.app_id,
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'Content-Type': 'application/json',
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'X-Gotify-Key': self.token,
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}
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self.logger.debug('Gotify POST URL: %s (cert_verify=%r)' % (
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url, self.verify_certificate,
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))
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self.logger.debug('Gotify Payload: %s' % str(payload))
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# Always call throttle before the requests are made
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self.throttle()
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try:
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r = requests.post(
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url,
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data=dumps(payload),
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headers=headers,
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verify=self.verify_certificate,
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timeout=self.request_timeout,
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)
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if r.status_code != requests.codes.ok:
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# We had a problem
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status_str = \
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NotifyGotify.http_response_code_lookup(r.status_code)
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self.logger.warning(
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'Failed to send Gotify notification: '
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'{}{}error={}.'.format(
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status_str,
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', ' if status_str else '',
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r.status_code))
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self.logger.debug(
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'Response Details:\r\n{}'.format(r.content))
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# Mark our failure
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return False
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else:
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self.logger.info('Sent Gotify notification.')
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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 Gotify '
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'notification to %s.' % self.host)
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self.logger.debug('Socket Exception: %s' % str(e))
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# Mark our failure
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return False
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return True
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def url(self, privacy=False, *args, **kwargs):
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"""
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Returns the URL built dynamically based on specified arguments.
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"""
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# Define any URL parameters
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params = {
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'priority':
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GOTIFY_PRIORITIES[self.template_args['priority']['default']]
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if self.priority not in GOTIFY_PRIORITIES
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else GOTIFY_PRIORITIES[self.priority],
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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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# Our default port
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default_port = 443 if self.secure else 80
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return '{schema}://{hostname}{port}{fullpath}{token}/?{params}'.format(
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schema=self.secure_protocol if self.secure else self.protocol,
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# never encode hostname since we're expecting it to be a valid one
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hostname=self.host,
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port='' if self.port is None or self.port == default_port
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else ':{}'.format(self.port),
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fullpath=NotifyGotify.quote(self.fullpath, safe='/'),
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token=self.pprint(self.token, privacy, safe=''),
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params=NotifyGotify.urlencode(params),
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)
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@staticmethod
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def parse_url(url):
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"""
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Parses the URL and returns enough arguments that can allow
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us to re-instantiate this object.
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"""
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results = NotifyBase.parse_url(url)
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if not results:
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# We're done early
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return results
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# Retrieve our escaped entries found on the fullpath
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entries = NotifyBase.split_path(results['fullpath'])
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# optionally find the provider key
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try:
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# The last entry is our token
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results['token'] = entries.pop()
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except IndexError:
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# No token was set
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results['token'] = None
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# Re-assemble our full path
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results['fullpath'] = \
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'/' if not entries else '/{}/'.format('/'.join(entries))
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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'] = \
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NotifyGotify.unquote(results['qsd']['priority'])
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return results
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