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324 lines
11 KiB
324 lines
11 KiB
# -*- coding: utf-8 -*-
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# BSD 3-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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# 3. Neither the name of the copyright holder nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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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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#
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# API Docs: https://developers.line.biz/en/reference/messaging-api/
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import requests
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import re
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from json import dumps
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from .NotifyBase import NotifyBase
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from ..URLBase import PrivacyMode
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from ..common import NotifyType
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from ..common import NotifyImageSize
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from ..utils import validate_regex
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from ..utils import parse_list
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from ..utils import parse_bool
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from ..AppriseLocale import gettext_lazy as _
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# Used to break path apart into list of streams
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TARGET_LIST_DELIM = re.compile(r'[ \t\r\n,#\\/]+')
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class NotifyLine(NotifyBase):
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"""
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A wrapper for Line Notifications
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"""
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# The default descriptive name associated with the Notification
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service_name = 'Line'
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# The services URL
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service_url = 'https://line.me/'
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# Secure Protocol
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secure_protocol = 'line'
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# The URL refererenced for remote Notifications
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notify_url = 'https://api.line.me/v2/bot/message/push'
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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_line'
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# We don't support titles for Line notifications
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title_maxlen = 0
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# Maximum body length is 5000
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body_maxlen = 5000
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# Allows the user to specify the NotifyImageSize object; this is supported
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# through the webhook
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image_size = NotifyImageSize.XY_128
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# Define object templates
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templates = (
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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 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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'target_user': {
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'name': _('Target User'),
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'type': 'string',
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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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'to': {
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'alias_of': 'targets',
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},
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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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})
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def __init__(self, token, targets=None, include_image=True, **kwargs):
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"""
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Initialize Line Object
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"""
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super().__init__(**kwargs)
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# Long-Lived Access token (generated from User Profile)
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self.token = validate_regex(token)
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if not self.token:
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msg = 'An invalid Access 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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# Display our Apprise Image
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self.include_image = include_image
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# Set up our targets
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self.targets = parse_list(targets)
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# A dictionary of cached users
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self.__cached_users = dict()
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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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Send our Line Notification
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"""
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if len(self.targets) == 0:
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# There were no services to notify
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self.logger.warning('There were no Line targets to notify.')
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return False
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# error tracking (used for function return)
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has_error = False
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# Prepare 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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'Authorization': 'Bearer {}'.format(self.token),
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}
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# Prepare our persistent_notification.create payload
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payload = {
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"to": None,
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"messages": [
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{
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"type": "text",
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"text": body,
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"sender": {
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"name": self.app_id,
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}
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}
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]
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}
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# Acquire our image url if configured to do so
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image_url = None if not self.include_image else \
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self.image_url(notify_type)
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if image_url:
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payload["messages"][0]["sender"]["iconUrl"] = image_url
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# Create a copy of the target list
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targets = list(self.targets)
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while len(targets):
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target = targets.pop(0)
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payload['to'] = target
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self.logger.debug('Line POST URL: %s (cert_verify=%r)' % (
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self.notify_url, self.verify_certificate,
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))
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self.logger.debug('Line 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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self.notify_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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NotifyLine.http_response_code_lookup(
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r.status_code)
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self.logger.warning(
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'Failed to send Line notification to {}: '
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'{}{}error={}.'.format(
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target,
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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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continue
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else:
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self.logger.info(
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'Sent Line notification to {}.'.format(target))
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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 Line '
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'notification to {}.'.format(target))
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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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continue
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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}'.format(
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schema=self.secure_protocol,
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# never encode hostname since we're expecting it to be a valid one
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token=self.pprint(
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self.token, privacy, mode=PrivacyMode.Secret, safe=''),
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targets='/'.join(
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[self.pprint(x, privacy, safe='') for x in self.targets]),
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params=NotifyLine.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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return len(self.targets)
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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 unquoted entries
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results['targets'] = NotifyLine.split_path(results['fullpath'])
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# The 'token' makes it easier to use yaml configuration
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if 'token' in results['qsd'] and len(results['qsd']['token']):
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results['token'] = \
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NotifyLine.unquote(results['qsd']['token'])
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else:
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results['token'] = NotifyLine.unquote(results['host'])
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# Line Long Lived Tokens included forward slashes in them.
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# As a result we need to parse further into our path and look
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# for the entry that ends in an equal symbol.
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if not results['token'].endswith('='):
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for index, entry in enumerate(
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list(results['targets']), start=1):
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if entry.endswith('='):
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# Found
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results['token'] += \
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'/' + '/'.join(results['targets'][0:index])
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results['targets'] = results['targets'][index:]
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break
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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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# 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'] += [x for x in filter(
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bool, TARGET_LIST_DELIM.split(
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NotifyLine.unquote(results['qsd']['to'])))]
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return results
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