mirror of https://github.com/morpheus65535/bazarr
628 lines
21 KiB
Python
628 lines
21 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2021 Chris Caron <lead2gold@gmail.com>
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# All rights reserved.
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#
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# This code is licensed under the MIT License.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files(the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions :
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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# For this plugin to work correct, the FCM server must be set up to allow
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# for remote connections.
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# Firebase Cloud Messaging
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# Visit your console page: https://console.firebase.google.com
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# 1. Create a project if you haven't already. If you did the
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# {project} ID will be listed as name-XXXXX.
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# 2. Click on your project from here to open it up.
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# 3. Access your Web API Key by clicking on:
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# - The (gear-next-to-project-name) > Project Settings > Cloud Messaging
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# Visit the following site to get you're Project information:
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# - https://console.cloud.google.com/project/_/settings/general/
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#
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# Docs: https://firebase.google.com/docs/cloud-messaging/send-message
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# Legacy Docs:
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# https://firebase.google.com/docs/cloud-messaging/http-server-ref\
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# #send-downstream
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#
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# If you Generate a new private key, it will provide a .json file
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# You will need this in order to send an apprise messag
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import six
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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 ...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 ...common import NotifyImageSize
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from ...AppriseAttachment import AppriseAttachment
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from ...AppriseLocale import gettext_lazy as _
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from .common import (FCMMode, FCM_MODES)
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from .priority import (FCM_PRIORITIES, FCMPriorityManager)
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from .color import FCMColorManager
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# Default our global support flag
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NOTIFY_FCM_SUPPORT_ENABLED = False
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try:
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from .oauth import GoogleOAuth
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# We're good to go
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NOTIFY_FCM_SUPPORT_ENABLED = True
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except ImportError:
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# cryptography is the dependency of the .oauth library
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# Create a dummy object for init() call to work
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class GoogleOAuth(object):
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pass
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# Our lookup map
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FCM_HTTP_ERROR_MAP = {
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400: 'A bad request was made to the server.',
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401: 'The provided API Key was not valid.',
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404: 'The token could not be registered.',
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}
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class NotifyFCM(NotifyBase):
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"""
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A wrapper for Google's Firebase Cloud Messaging Notifications
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"""
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# Set our global enabled flag
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enabled = NOTIFY_FCM_SUPPORT_ENABLED
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requirements = {
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# Define our required packaging in order to work
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'packages_required': 'cryptography'
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}
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# The default descriptive name associated with the Notification
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service_name = 'Firebase Cloud Messaging'
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# The services URL
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service_url = 'https://firebase.google.com'
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# The default protocol
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secure_protocol = 'fcm'
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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_fcm'
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# Project Notification
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# https://firebase.google.com/docs/cloud-messaging/send-message
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notify_oauth2_url = \
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"https://fcm.googleapis.com/v1/projects/{project}/messages:send"
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notify_legacy_url = "https://fcm.googleapis.com/fcm/send"
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# There is no reason we should exceed 5KB when reading in a JSON file.
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# If it is more than this, then it is not accepted.
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max_fcm_keyfile_size = 5000
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# Allows the user to specify the NotifyImageSize object
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image_size = NotifyImageSize.XY_256
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# The maximum length of the body
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body_maxlen = 1024
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# Define object templates
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templates = (
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# OAuth2
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'{schema}://{project}/{targets}?keyfile={keyfile}',
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# Legacy Mode
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'{schema}://{apikey}/{targets}',
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)
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# Define our template
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template_tokens = dict(NotifyBase.template_tokens, **{
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'apikey': {
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'name': _('API Key'),
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'type': 'string',
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'private': True,
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},
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'keyfile': {
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'name': _('OAuth2 KeyFile'),
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'type': 'string',
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'private': True,
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},
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'project': {
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'name': _('Project ID'),
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'type': 'string',
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'required': True,
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},
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'target_device': {
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'name': _('Target Device'),
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'type': 'string',
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'map_to': 'targets',
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},
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'target_topic': {
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'name': _('Target Topic'),
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'type': 'string',
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'prefix': '#',
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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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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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'mode': {
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'name': _('Mode'),
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'type': 'choice:string',
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'values': FCM_MODES,
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'default': FCMMode.Legacy,
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},
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'priority': {
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'name': _('Mode'),
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'type': 'choice:string',
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'values': FCM_PRIORITIES,
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},
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'image_url': {
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'name': _('Custom Image URL'),
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'type': 'string',
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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': False,
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'map_to': 'include_image',
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},
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# Color can either be yes, no, or a #rrggbb (
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# rrggbb without hashtag is accepted to)
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'color': {
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'name': _('Notification Color'),
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'type': 'string',
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'default': 'yes',
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},
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})
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# Define our data entry
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template_kwargs = {
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'data_kwargs': {
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'name': _('Data Entries'),
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'prefix': '+',
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},
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}
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def __init__(self, project, apikey, targets=None, mode=None, keyfile=None,
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data_kwargs=None, image_url=None, include_image=False,
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color=None, priority=None, **kwargs):
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"""
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Initialize Firebase Cloud Messaging
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"""
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super(NotifyFCM, self).__init__(**kwargs)
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if mode is None:
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# Detect our mode
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self.mode = FCMMode.OAuth2 if keyfile else FCMMode.Legacy
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else:
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# Setup our mode
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self.mode = NotifyFCM.template_tokens['mode']['default'] \
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if not isinstance(mode, six.string_types) else mode.lower()
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if self.mode and self.mode not in FCM_MODES:
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msg = 'The FCM mode specified ({}) is invalid.'.format(mode)
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self.logger.warning(msg)
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raise TypeError(msg)
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# Used for Legacy Mode; this is the Web API Key retrieved from the
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# User Panel
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self.apikey = None
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# Path to our Keyfile
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self.keyfile = None
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# Our Project ID is required to verify against the keyfile
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# specified
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self.project = None
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# Initialize our Google OAuth module we can work with
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self.oauth = GoogleOAuth(
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user_agent=self.app_id, timeout=self.request_timeout,
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verify_certificate=self.verify_certificate)
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if self.mode == FCMMode.OAuth2:
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# The project ID associated with the account
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self.project = validate_regex(project)
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if not self.project:
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msg = 'An invalid FCM Project ID ' \
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'({}) was specified.'.format(project)
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self.logger.warning(msg)
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raise TypeError(msg)
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if not keyfile:
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msg = 'No FCM JSON KeyFile was specified.'
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self.logger.warning(msg)
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raise TypeError(msg)
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# Our keyfile object is just an AppriseAttachment object
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self.keyfile = AppriseAttachment(asset=self.asset)
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# Add our definition to our template
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self.keyfile.add(keyfile)
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# Enforce maximum file size
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self.keyfile[0].max_file_size = self.max_fcm_keyfile_size
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else: # Legacy Mode
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# The apikey associated with the account
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self.apikey = validate_regex(apikey)
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if not self.apikey:
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msg = 'An invalid FCM API key ' \
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'({}) was specified.'.format(apikey)
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self.logger.warning(msg)
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raise TypeError(msg)
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# Acquire Device IDs to notify
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self.targets = parse_list(targets)
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# Our data Keyword/Arguments to include in our outbound payload
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self.data_kwargs = {}
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if isinstance(data_kwargs, dict):
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self.data_kwargs.update(data_kwargs)
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# Include the image as part of the payload
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self.include_image = include_image
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# A Custom Image URL
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# FCM allows you to provide a remote https?:// URL to an image_url
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# located on the internet that it will download and include in the
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# payload.
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#
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# self.image_url() is reserved as an internal function name; so we
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# jsut store it into a different variable for now
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self.image_src = image_url
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# Initialize our priority
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self.priority = FCMPriorityManager(self.mode, priority)
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# Initialize our color
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self.color = FCMColorManager(color, asset=self.asset)
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return
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@property
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def access_token(self):
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"""
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Generates a access_token based on the keyfile provided
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"""
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keyfile = self.keyfile[0]
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if not keyfile:
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# We could not access the keyfile
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self.logger.error(
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'Could not access FCM keyfile {}.'.format(
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keyfile.url(privacy=True)))
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return None
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if not self.oauth.load(keyfile.path):
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self.logger.error(
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'FCM keyfile {} could not be loaded.'.format(
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keyfile.url(privacy=True)))
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return None
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# Verify our project id against the one provided in our keyfile
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if self.project != self.oauth.project_id:
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self.logger.error(
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'FCM keyfile {} identifies itself for a different project'
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.format(keyfile.url(privacy=True)))
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return None
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# Return our generated key; the below returns None if a token could
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# not be acquired
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return self.oauth.access_token
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def send(self, body, title='', notify_type=NotifyType.INFO, **kwargs):
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"""
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Perform FCM Notification
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"""
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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('There are no FCM devices or topics to notify')
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return False
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if self.mode == FCMMode.OAuth2:
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access_token = self.access_token
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if not access_token:
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# Error message is generated in access_tokengen() so no reason
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# to additionally write anything here
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return False
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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(access_token),
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}
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# Prepare our notify URL
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notify_url = self.notify_oauth2_url
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else: # FCMMode.Legacy
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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": "key={}".format(self.apikey),
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}
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# Prepare our notify URL
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notify_url = self.notify_legacy_url
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# Acquire image url
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image = self.image_url(notify_type) \
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if not self.image_src else self.image_src
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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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while len(targets):
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recipient = targets.pop(0)
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if self.mode == FCMMode.OAuth2:
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payload = {
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'message': {
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'token': None,
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'notification': {
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'title': title,
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'body': body,
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}
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}
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}
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if self.color:
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# Acquire our color
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payload['message']['android'] = {
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'notification': {'color': self.color.get(notify_type)}}
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if self.include_image and image:
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payload['message']['notification']['image'] = image
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if self.data_kwargs:
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payload['message']['data'] = self.data_kwargs
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if recipient[0] == '#':
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payload['message']['topic'] = recipient[1:]
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self.logger.debug(
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"FCM recipient %s parsed as a topic",
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recipient[1:])
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else:
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payload['message']['token'] = recipient
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self.logger.debug(
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"FCM recipient %s parsed as a device token",
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recipient)
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else: # FCMMode.Legacy
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payload = {
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'notification': {
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'notification': {
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'title': title,
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'body': body,
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}
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}
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}
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if self.color:
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# Acquire our color
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payload['notification']['notification']['color'] = \
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self.color.get(notify_type)
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if self.include_image and image:
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payload['notification']['notification']['image'] = image
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if self.data_kwargs:
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payload['data'] = self.data_kwargs
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if recipient[0] == '#':
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payload['to'] = '/topics/{}'.format(recipient)
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self.logger.debug(
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"FCM recipient %s parsed as a topic",
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recipient[1:])
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else:
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payload['to'] = recipient
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self.logger.debug(
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"FCM recipient %s parsed as a device token",
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recipient)
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#
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# Apply our priority configuration (if set)
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#
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def merge(d1, d2):
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for k in d2:
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if k in d1 and isinstance(d1[k], dict) \
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and isinstance(d2[k], dict):
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merge(d1[k], d2[k])
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else:
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d1[k] = d2[k]
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merge(payload, self.priority.payload())
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self.logger.debug(
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'FCM %s POST URL: %s (cert_verify=%r)',
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self.mode, notify_url, self.verify_certificate,
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)
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self.logger.debug('FCM %s Payload: %s', self.mode, 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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notify_url.format(project=self.project),
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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 not in (
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requests.codes.ok, requests.codes.no_content):
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# We had a problem
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status_str = \
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NotifyBase.http_response_code_lookup(
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r.status_code, FCM_HTTP_ERROR_MAP)
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self.logger.warning(
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'Failed to send {} FCM notification: '
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'{}{}error={}.'.format(
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self.mode,
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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%s', r.content)
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has_error = True
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else:
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self.logger.info('Sent %s FCM notification.', self.mode)
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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 FCM '
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'notification.'
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)
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self.logger.debug('Socket Exception: %s', str(e))
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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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'mode': self.mode,
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'image': 'yes' if self.include_image else 'no',
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'color': str(self.color),
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}
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if self.priority:
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# Store our priority if one was defined
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params['priority'] = str(self.priority)
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if self.keyfile:
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# Include our keyfile if specified
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params['keyfile'] = NotifyFCM.quote(
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self.keyfile[0].url(privacy=privacy), safe='')
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if self.image_src:
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# Include our image path as part of our URL payload
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params['image_url'] = self.image_src
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# Extend our parameters
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params.update(self.url_parameters(privacy=privacy, *args, **kwargs))
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# Add our data keyword/args into our URL response
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params.update(
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{'+{}'.format(k): v for k, v in self.data_kwargs.items()})
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reference = NotifyFCM.quote(self.project) \
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if self.mode == FCMMode.OAuth2 \
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else self.pprint(self.apikey, privacy, safe='')
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return '{schema}://{reference}/{targets}?{params}'.format(
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schema=self.secure_protocol,
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reference=reference,
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targets='/'.join(
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[NotifyFCM.quote(x) for x in self.targets]),
|
|
params=NotifyFCM.urlencode(params),
|
|
)
|
|
|
|
@staticmethod
|
|
def parse_url(url):
|
|
"""
|
|
Parses the URL and returns enough arguments that can allow
|
|
us to re-instantiate this object.
|
|
|
|
"""
|
|
results = NotifyBase.parse_url(url, verify_host=False)
|
|
if not results:
|
|
# We're done early as we couldn't load the results
|
|
return results
|
|
|
|
# The apikey/project is stored in the hostname
|
|
results['apikey'] = NotifyFCM.unquote(results['host'])
|
|
results['project'] = results['apikey']
|
|
|
|
# Get our Device IDs
|
|
results['targets'] = NotifyFCM.split_path(results['fullpath'])
|
|
|
|
# Get our mode
|
|
results['mode'] = results['qsd'].get('mode')
|
|
|
|
# The 'to' makes it easier to use yaml configuration
|
|
if 'to' in results['qsd'] and len(results['qsd']['to']):
|
|
results['targets'] += \
|
|
NotifyFCM.parse_list(results['qsd']['to'])
|
|
|
|
# Our Project ID
|
|
if 'project' in results['qsd'] and results['qsd']['project']:
|
|
results['project'] = \
|
|
NotifyFCM.unquote(results['qsd']['project'])
|
|
|
|
# Our Web API Key
|
|
if 'apikey' in results['qsd'] and results['qsd']['apikey']:
|
|
results['apikey'] = \
|
|
NotifyFCM.unquote(results['qsd']['apikey'])
|
|
|
|
# Our Keyfile (JSON)
|
|
if 'keyfile' in results['qsd'] and results['qsd']['keyfile']:
|
|
results['keyfile'] = \
|
|
NotifyFCM.unquote(results['qsd']['keyfile'])
|
|
|
|
# Our Priority
|
|
if 'priority' in results['qsd'] and results['qsd']['priority']:
|
|
results['priority'] = \
|
|
NotifyFCM.unquote(results['qsd']['priority'])
|
|
|
|
# Our Color
|
|
if 'color' in results['qsd'] and results['qsd']['color']:
|
|
results['color'] = \
|
|
NotifyFCM.unquote(results['qsd']['color'])
|
|
|
|
# Boolean to include an image or not
|
|
results['include_image'] = parse_bool(results['qsd'].get(
|
|
'image', NotifyFCM.template_args['image']['default']))
|
|
|
|
# Extract image_url if it was specified
|
|
if 'image_url' in results['qsd']:
|
|
results['image_url'] = \
|
|
NotifyFCM.unquote(results['qsd']['image_url'])
|
|
if 'image' not in results['qsd']:
|
|
# Toggle default behaviour if a custom image was provided
|
|
# but ONLY if the `image` boolean was not set
|
|
results['include_image'] = True
|
|
|
|
# Store our data keyword/args if specified
|
|
results['data_kwargs'] = results['qsd+']
|
|
|
|
return results
|