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389 lines
12 KiB
389 lines
12 KiB
# -*- 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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# To use this plugin, you need to first access https://dev.flock.com/webhooks
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# Specifically https://dev.flock.com/webhooks/incoming
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#
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# To create a new incoming webhook for your account. You'll need to
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# follow the wizard to pre-determine the channel(s) you want your
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# message to broadcast to. When you've completed this, you will
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# recieve a URL that looks something like this:
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# https://api.flock.com/hooks/sendMessage/134b8gh0-eba0-4fa9-ab9c-257ced0e8221
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# ^
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# |
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# This is important <----------------------------------------^
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#
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# It becomes your 'token' that you will pass into this class
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#
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import re
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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
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from ..common import NotifyFormat
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from ..common import NotifyImageSize
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from ..utils import parse_list
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from ..utils import parse_bool
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from ..utils import validate_regex
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from ..AppriseLocale import gettext_lazy as _
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# Extend HTTP Error Messages
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FLOCK_HTTP_ERROR_MAP = {
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401: 'Unauthorized - Invalid Token.',
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}
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# Used to detect a channel/user
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IS_CHANNEL_RE = re.compile(r'^(#|g:)(?P<id>[A-Z0-9_]+)$', re.I)
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IS_USER_RE = re.compile(r'^(@|u:)?(?P<id>[A-Z0-9_]+)$', re.I)
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class NotifyFlock(NotifyBase):
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"""
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A wrapper for Flock Notifications
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"""
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# The default descriptive name associated with the Notification
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service_name = 'Flock'
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# The services URL
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service_url = 'https://flock.com/'
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# The default secure protocol
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secure_protocol = 'flock'
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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_flock'
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# Flock uses the http protocol with JSON requests
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notify_url = 'https://api.flock.com/hooks/sendMessage'
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# API Wrapper
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notify_api = 'https://api.flock.co/v1/chat.sendMessage'
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# Allows the user to specify the NotifyImageSize object
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image_size = NotifyImageSize.XY_72
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# Define object templates
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templates = (
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'{schema}://{token}',
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'{schema}://{botname}@{token}',
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'{schema}://{botname}@{token}/{targets}',
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'{schema}://{token}/{targets}',
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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': _('Access Key'),
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'type': 'string',
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'regex': (r'^[a-z0-9-]+$', 'i'),
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'private': True,
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'required': True,
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},
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'botname': {
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'name': _('Bot Name'),
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'type': 'string',
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'map_to': 'user',
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},
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'to_user': {
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'name': _('To User ID'),
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'type': 'string',
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'prefix': '@',
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'regex': (r'^[A-Z0-9_]+$', 'i'),
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'map_to': 'targets',
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},
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'to_channel': {
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'name': _('To Channel ID'),
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'type': 'string',
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'prefix': '#',
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'regex': (r'^[A-Z0-9_]+$', 'i'),
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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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},
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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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'image': {
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'name': _('Include Image'),
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'type': 'bool',
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'default': True,
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'map_to': 'include_image',
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},
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'to': {
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'alias_of': 'targets',
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},
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})
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def __init__(self, token, targets=None, include_image=True, **kwargs):
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"""
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Initialize Flock Object
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"""
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super().__init__(**kwargs)
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# Build ourselves a target list
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self.targets = list()
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self.token = validate_regex(
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token, *self.template_tokens['token']['regex'])
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if not self.token:
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msg = 'An invalid Flock Access Key ' \
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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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# Track whether or not we want to send an image with our notification
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# or not.
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self.include_image = include_image
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# Track any issues
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has_error = False
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# Tidy our targets
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targets = parse_list(targets)
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for target in targets:
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result = IS_USER_RE.match(target)
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if result:
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self.targets.append('u:' + result.group('id'))
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continue
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result = IS_CHANNEL_RE.match(target)
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if result:
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self.targets.append('g:' + result.group('id'))
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continue
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has_error = True
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self.logger.warning(
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'Ignoring invalid target ({}) specified.'.format(target))
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if has_error and not self.targets:
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# We have a bot token and no target(s) to message
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msg = 'No Flock targets to notify.'
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self.logger.warning(msg)
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raise TypeError(msg)
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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 Flock Notification
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"""
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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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}
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# error tracking (used for function return)
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has_error = False
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if self.notify_format == NotifyFormat.HTML:
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body = '<flockml>{}</flockml>'.format(body)
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else:
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title = NotifyFlock.escape_html(title, whitespace=False)
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body = NotifyFlock.escape_html(body, whitespace=False)
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body = '<flockml>{}{}</flockml>'.format(
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'' if not title else '<b>{}</b><br/>'.format(title), body)
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payload = {
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'token': self.token,
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'flockml': body,
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'sendAs': {
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'name': self.app_id if not self.user else self.user,
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# A Profile Image is only configured if we're configured to
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# allow it
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'profileImage': None if not self.include_image
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else self.image_url(notify_type),
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}
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}
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if len(self.targets):
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# Create a copy of our targets
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targets = list(self.targets)
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while len(targets) > 0:
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# Get our first item
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target = targets.pop(0)
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# Copy and update our payload
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_payload = payload.copy()
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_payload['to'] = target
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if not self._post(self.notify_api, headers, _payload):
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has_error = True
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else:
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# Webhook
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url = '{}/{}'.format(self.notify_url, self.token)
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if not self._post(url, headers, payload):
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has_error = True
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return not has_error
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def _post(self, url, headers, payload):
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"""
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A wrapper to the requests object
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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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self.logger.debug('Flock POST URL: %s (cert_verify=%r)' % (
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url, self.verify_certificate))
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self.logger.debug('Flock Payload: %s' % str(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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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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NotifyFlock.http_response_code_lookup(
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r.status_code, FLOCK_HTTP_ERROR_MAP)
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self.logger.warning(
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'Failed to send Flock 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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has_error = True
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else:
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self.logger.info('Sent Flock 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 Flock notification.'
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)
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self.logger.debug('Socket Exception: %s' % str(e))
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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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"""
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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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'image': 'yes' if self.include_image else 'no',
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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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return '{schema}://{token}/{targets}?{params}'\
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.format(
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schema=self.secure_protocol,
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token=self.pprint(self.token, privacy, safe=''),
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targets='/'.join(
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[NotifyFlock.quote(target, safe='')
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for target in self.targets]),
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params=NotifyFlock.urlencode(params),
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)
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def __len__(self):
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"""
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Returns the number of targets associated with this notification
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"""
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targets = len(self.targets)
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return targets if targets > 0 else 1
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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, 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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# Get our entries; split_path() looks after unquoting content for us
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# by default
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results['targets'] = NotifyFlock.split_path(results['fullpath'])
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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'] += NotifyFlock.parse_list(results['qsd']['to'])
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# The first token is stored in the hostname
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results['token'] = NotifyFlock.unquote(results['host'])
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# Include images with our message
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results['include_image'] = \
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parse_bool(results['qsd'].get('image', True))
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return results
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@staticmethod
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def parse_native_url(url):
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"""
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Support https://api.flock.com/hooks/sendMessage/TOKEN
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"""
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result = re.match(
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r'^https?://api\.flock\.com/hooks/sendMessage/'
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r'(?P<token>[a-z0-9-]{24})/?'
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r'(?P<params>\?.+)?$', url, re.I)
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if result:
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return NotifyFlock.parse_url(
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'{schema}://{token}/{params}'.format(
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schema=NotifyFlock.secure_protocol,
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token=result.group('token'),
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params='' if not result.group('params')
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else result.group('params')))
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return None
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