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692 lines
22 KiB
692 lines
22 KiB
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2022 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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# Great sources
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# - https://github.com/matrix-org/matrix-python-sdk
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# - https://github.com/matrix-org/synapse/blob/master/docs/reverse_proxy.rst
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#
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# Examples:
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# ntfys://my-topic
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# ntfy://ntfy.local.domain/my-topic
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# ntfys://ntfy.local.domain:8080/my-topic
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# ntfy://ntfy.local.domain/?priority=max
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import re
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import requests
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from json import loads
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from json import dumps
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from os.path import basename
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from .NotifyBase import NotifyBase
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from ..common import NotifyType
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from ..AppriseLocale import gettext_lazy as _
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from ..utils import parse_list
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from ..utils import is_hostname
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from ..utils import is_ipaddr
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from ..utils import validate_regex
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from ..URLBase import PrivacyMode
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from ..attachment.AttachBase import AttachBase
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class NtfyMode:
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"""
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Define ntfy Notification Modes
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"""
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# App posts upstream to the developer API on ntfy's website
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CLOUD = "cloud"
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# Running a dedicated private ntfy Server
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PRIVATE = "private"
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NTFY_MODES = (
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NtfyMode.CLOUD,
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NtfyMode.PRIVATE,
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)
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class NtfyPriority:
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"""
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Ntfy Priority Definitions
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"""
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MAX = 'max'
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HIGH = 'high'
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NORMAL = 'default'
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LOW = 'low'
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MIN = 'min'
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NTFY_PRIORITIES = (
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NtfyPriority.MAX,
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NtfyPriority.HIGH,
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NtfyPriority.NORMAL,
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NtfyPriority.LOW,
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NtfyPriority.MIN,
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)
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NTFY_PRIORITY_MAP = {
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# Maps against string 'low' but maps to Moderate to avoid
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# conflicting with actual ntfy mappings
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'l': NtfyPriority.LOW,
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# Maps against string 'moderate'
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'mo': NtfyPriority.LOW,
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# Maps against string 'normal'
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'n': NtfyPriority.NORMAL,
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# Maps against string 'high'
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'h': NtfyPriority.HIGH,
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# Maps against string 'emergency'
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'e': NtfyPriority.MAX,
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# Entries to additionally support (so more like Ntfy's API)
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# Maps against string 'min'
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'mi': NtfyPriority.MIN,
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# Maps against string 'max'
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'ma': NtfyPriority.MAX,
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# Maps against string 'default'
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'd': NtfyPriority.NORMAL,
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# support 1-5 values as well
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'1': NtfyPriority.MIN,
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# Maps against string 'moderate'
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'2': NtfyPriority.LOW,
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# Maps against string 'normal'
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'3': NtfyPriority.NORMAL,
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# Maps against string 'high'
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'4': NtfyPriority.HIGH,
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# Maps against string 'emergency'
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'5': NtfyPriority.MAX,
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}
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class NotifyNtfy(NotifyBase):
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"""
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A wrapper for ntfy Notifications
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"""
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# The default descriptive name associated with the Notification
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service_name = 'ntfy'
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# The services URL
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service_url = 'https://ntfy.sh/'
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# Insecure protocol (for those self hosted requests)
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protocol = 'ntfy'
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# The default protocol
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secure_protocol = 'ntfys'
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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_ntfy'
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# Default upstream/cloud host if none is defined
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cloud_notify_url = 'https://ntfy.sh'
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# Message time to live (if remote client isn't around to receive it)
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time_to_live = 2419200
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# if our hostname matches the following we automatically enforce
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# cloud mode
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__auto_cloud_host = re.compile(r'ntfy\.sh', re.IGNORECASE)
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# Define object templates
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templates = (
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'{schema}://{topic}',
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'{schema}://{host}/{targets}',
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'{schema}://{host}:{port}/{targets}',
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'{schema}://{user}@{host}/{targets}',
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'{schema}://{user}@{host}:{port}/{targets}',
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'{schema}://{user}:{password}@{host}/{targets}',
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'{schema}://{user}:{password}@{host}:{port}/{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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'host': {
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'name': _('Hostname'),
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'type': 'string',
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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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'user': {
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'name': _('Username'),
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'type': 'string',
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},
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'password': {
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'name': _('Password'),
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'type': 'string',
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'private': True,
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},
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'topic': {
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'name': _('Topic'),
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'type': 'string',
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'map_to': 'targets',
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'regex': (r'^[a-z0-9_-]{1,64}$', 'i')
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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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'attach': {
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'name': _('Attach'),
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'type': 'string',
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},
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'filename': {
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'name': _('Attach Filename'),
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'type': 'string',
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},
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'click': {
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'name': _('Click'),
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'type': 'string',
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},
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'delay': {
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'name': _('Delay'),
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'type': 'string',
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},
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'email': {
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'name': _('Email'),
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'type': 'string',
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},
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'priority': {
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'name': _('Priority'),
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'type': 'choice:string',
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'values': NTFY_PRIORITIES,
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'default': NtfyPriority.NORMAL,
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},
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'tags': {
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'name': _('Tags'),
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'type': 'string',
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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': NTFY_MODES,
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'default': NtfyMode.PRIVATE,
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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, targets=None, attach=None, filename=None, click=None,
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delay=None, email=None, priority=None, tags=None, mode=None,
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**kwargs):
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"""
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Initialize ntfy Object
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"""
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super(NotifyNtfy, self).__init__(**kwargs)
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# Prepare our mode
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self.mode = mode.strip().lower() \
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if isinstance(mode, str) \
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else self.template_args['mode']['default']
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if self.mode not in NTFY_MODES:
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msg = 'An invalid ntfy Mode ({}) was specified.'.format(mode)
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self.logger.warning(msg)
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raise TypeError(msg)
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# Attach a file (URL supported)
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self.attach = attach
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# Our filename (if defined)
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self.filename = filename
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# A clickthrough option for notifications
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self.click = click
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# Time delay for notifications (various string formats)
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self.delay = delay
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# An email to forward notifications to
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self.email = email
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# The Priority of the message
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self.priority = NotifyNtfy.template_args['priority']['default'] \
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if not priority else \
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next((
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v for k, v in NTFY_PRIORITY_MAP.items()
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if str(priority).lower().startswith(k)),
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NotifyNtfy.template_args['priority']['default'])
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# Any optional tags to attach to the notification
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self.__tags = parse_list(tags)
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# Build list of topics
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topics = parse_list(targets)
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self.topics = []
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for _topic in topics:
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topic = validate_regex(
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_topic, *self.template_tokens['topic']['regex'])
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if not topic:
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self.logger.warning(
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'A specified ntfy topic ({}) is invalid and will be '
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'ignored'.format(_topic))
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continue
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self.topics.append(topic)
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return
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def send(self, body, title='', notify_type=NotifyType.INFO, attach=None,
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**kwargs):
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"""
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Perform ntfy Notification
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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 not len(self.topics):
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# We have nothing to notify; we're done
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self.logger.warning('There are no ntfy topics to notify')
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return False
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# Create a copy of the topics
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topics = list(self.topics)
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while len(topics) > 0:
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# Retrieve our topic
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topic = topics.pop()
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if attach:
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# We need to upload our payload first so that we can source it
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# in remaining messages
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for no, attachment in enumerate(attach):
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# First message only includes the text
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_body = body if not no else None
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_title = title if not no else None
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# Perform some simple error checking
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if not attachment:
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# We could not access the attachment
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self.logger.error(
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'Could not access attachment {}.'.format(
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attachment.url(privacy=True)))
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return False
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self.logger.debug(
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'Preparing ntfy attachment {}'.format(
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attachment.url(privacy=True)))
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okay, response = self._send(
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topic, body=_body, title=_title, attach=attachment)
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if not okay:
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# We can't post our attachment; abort immediately
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return False
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else:
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# Send our Notification Message
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okay, response = self._send(topic, body=body, title=title)
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if not okay:
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# Mark our failure, but contiue to move on
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has_error = True
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return not has_error
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def _send(self, topic, body=None, title=None, attach=None, **kwargs):
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"""
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Wrapper to the requests (post) object
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"""
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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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}
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# Some default values for our request object to which we'll update
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# depending on what our payload is
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files = None
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# See https://ntfy.sh/docs/publish/#publish-as-json
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data = {}
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# Posting Parameters
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params = {}
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auth = None
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if self.mode == NtfyMode.CLOUD:
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# Cloud Service
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notify_url = self.cloud_notify_url
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else: # NotifyNtfy.PRVATE
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# Allow more settings to be applied now
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if self.user:
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auth = (self.user, self.password)
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# Prepare our ntfy Template URL
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schema = 'https' if self.secure else 'http'
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notify_url = '%s://%s' % (schema, self.host)
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if isinstance(self.port, int):
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notify_url += ':%d' % self.port
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if not attach:
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headers['Content-Type'] = 'application/json'
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data['topic'] = topic
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virt_payload = data
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else:
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# Point our payload to our parameters
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virt_payload = params
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notify_url += '/{topic}'.format(topic=topic)
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if title:
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virt_payload['title'] = title
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if body:
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virt_payload['message'] = body
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if self.priority != NtfyPriority.NORMAL:
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headers['X-Priority'] = self.priority
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if self.delay is not None:
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headers['X-Delay'] = self.delay
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if self.click is not None:
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headers['X-Click'] = self.click
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if self.email is not None:
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headers['X-Email'] = self.email
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if self.__tags:
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headers['X-Tags'] = ",".join(self.__tags)
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if isinstance(attach, AttachBase):
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# Prepare our Header
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params['filename'] = attach.name
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# prepare our files object
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files = {'file': (attach.name, open(attach.path, 'rb'))}
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elif self.attach is not None:
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data['attach'] = self.attach
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if self.filename is not None:
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data['filename'] = self.filename
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self.logger.debug('ntfy POST URL: %s (cert_verify=%r)' % (
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notify_url, self.verify_certificate,
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))
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self.logger.debug('ntfy Payload: %s' % str(virt_payload))
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self.logger.debug('ntfy Headers: %s' % str(headers))
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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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# Default response type
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response = None
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try:
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r = requests.post(
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notify_url,
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params=params if params else None,
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data=dumps(data) if data else None,
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headers=headers,
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files=files,
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auth=auth,
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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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NotifyBase.http_response_code_lookup(r.status_code)
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# set up our status code to use
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status_code = r.status_code
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try:
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# Update our status response if we can
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response = loads(r.content)
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status_str = response.get('error', status_str)
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status_code = \
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int(response.get('code', status_code))
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except (AttributeError, TypeError, ValueError):
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# ValueError = r.content is Unparsable
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# TypeError = r.content is None
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# AttributeError = r is None
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# We could not parse JSON response.
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# We will just use the status we already have.
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pass
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self.logger.warning(
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"Failed to send ntfy notification to topic '{}': "
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'{}{}error={}.'.format(
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topic,
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status_str,
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', ' if status_str else '',
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status_code))
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self.logger.debug(
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'Response Details:\r\n{}'.format(r.content))
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return False, response
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# otherwise we were successful
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self.logger.info(
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"Sent ntfy notification to '{}'.".format(notify_url))
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return True, response
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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 ntfy:%s ' % (
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notify_url) + 'notification.'
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)
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self.logger.debug('Socket Exception: %s' % str(e))
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return False, response
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except (OSError, IOError) as e:
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self.logger.warning(
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'An I/O error occurred while handling {}.'.format(
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attach.name if isinstance(attach, AttachBase)
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else virt_payload))
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self.logger.debug('I/O Exception: %s' % str(e))
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return False, response
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finally:
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# Close our file (if it's open) stored in the second element
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# of our files tuple (index 1)
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if files:
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files['file'][1].close()
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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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default_port = 443 if self.secure else 80
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params = {
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'priority': self.priority,
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'mode': self.mode,
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}
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if self.attach is not None:
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params['attach'] = self.attach
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if self.click is not None:
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params['click'] = self.click
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if self.delay is not None:
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params['delay'] = self.delay
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if self.email is not None:
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params['email'] = self.email
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if self.__tags:
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params['tags'] = ','.join(self.__tags)
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params.update(self.url_parameters(privacy=privacy, *args, **kwargs))
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# Determine Authentication
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auth = ''
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if self.user and self.password:
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auth = '{user}:{password}@'.format(
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user=NotifyNtfy.quote(self.user, safe=''),
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password=self.pprint(
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self.password, privacy, mode=PrivacyMode.Secret, safe=''),
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)
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elif self.user:
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auth = '{user}@'.format(
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user=NotifyNtfy.quote(self.user, safe=''),
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)
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if self.mode == NtfyMode.PRIVATE:
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return '{schema}://{auth}{host}{port}/{targets}?{params}'.format(
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schema=self.secure_protocol if self.secure else self.protocol,
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auth=auth,
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host=self.host,
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|
port='' if self.port is None or self.port == default_port
|
|
else ':{}'.format(self.port),
|
|
targets='/'.join(
|
|
[NotifyNtfy.quote(x, safe='') for x in self.topics]),
|
|
params=NotifyNtfy.urlencode(params)
|
|
)
|
|
|
|
else: # Cloud mode
|
|
return '{schema}://{targets}?{params}'.format(
|
|
schema=self.secure_protocol,
|
|
targets='/'.join(
|
|
[NotifyNtfy.quote(x, safe='') for x in self.topics]),
|
|
params=NotifyNtfy.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
|
|
|
|
# Set our priority
|
|
if 'priority' in results['qsd'] and len(results['qsd']['priority']):
|
|
results['priority'] = \
|
|
NotifyNtfy.unquote(results['qsd']['priority'])
|
|
|
|
if 'attach' in results['qsd'] and len(results['qsd']['attach']):
|
|
results['attach'] = NotifyNtfy.unquote(results['qsd']['attach'])
|
|
_results = NotifyBase.parse_url(results['attach'])
|
|
if _results:
|
|
results['filename'] = \
|
|
None if _results['fullpath'] \
|
|
else basename(_results['fullpath'])
|
|
|
|
if 'filename' in results['qsd'] and \
|
|
len(results['qsd']['filename']):
|
|
results['filename'] = \
|
|
basename(NotifyNtfy.unquote(results['qsd']['filename']))
|
|
|
|
if 'click' in results['qsd'] and len(results['qsd']['click']):
|
|
results['click'] = NotifyNtfy.unquote(results['qsd']['click'])
|
|
|
|
if 'delay' in results['qsd'] and len(results['qsd']['delay']):
|
|
results['delay'] = NotifyNtfy.unquote(results['qsd']['delay'])
|
|
|
|
if 'email' in results['qsd'] and len(results['qsd']['email']):
|
|
results['email'] = NotifyNtfy.unquote(results['qsd']['email'])
|
|
|
|
if 'tags' in results['qsd'] and len(results['qsd']['tags']):
|
|
results['tags'] = \
|
|
parse_list(NotifyNtfy.unquote(results['qsd']['tags']))
|
|
|
|
# Acquire our targets/topics
|
|
results['targets'] = NotifyNtfy.split_path(results['fullpath'])
|
|
|
|
# The 'to' makes it easier to use yaml configuration
|
|
if 'to' in results['qsd'] and len(results['qsd']['to']):
|
|
results['targets'] += \
|
|
NotifyNtfy.parse_list(results['qsd']['to'])
|
|
|
|
# Mode override
|
|
if 'mode' in results['qsd'] and results['qsd']['mode']:
|
|
results['mode'] = NotifyNtfy.unquote(
|
|
results['qsd']['mode'].strip().lower())
|
|
|
|
else:
|
|
# We can try to detect the mode based on the validity of the
|
|
# hostname.
|
|
#
|
|
# This isn't a surfire way to do things though; it's best to
|
|
# specify the mode= flag
|
|
results['mode'] = NtfyMode.PRIVATE \
|
|
if ((is_hostname(results['host'])
|
|
or is_ipaddr(results['host'])) and results['targets']) \
|
|
else NtfyMode.CLOUD
|
|
|
|
if results['mode'] == NtfyMode.CLOUD:
|
|
# Store first entry as it can be a topic too in this case
|
|
# But only if we also rule it out not being the words
|
|
# ntfy.sh itself, something that starts wiht an non-alpha numeric
|
|
# character:
|
|
if not NotifyNtfy.__auto_cloud_host.search(results['host']):
|
|
# Add it to the front of the list for consistency
|
|
results['targets'].insert(0, results['host'])
|
|
|
|
elif results['mode'] == NtfyMode.PRIVATE and \
|
|
not (is_hostname(results['host'] or
|
|
is_ipaddr(results['host']))):
|
|
# Invalid Host for NtfyMode.PRIVATE
|
|
return None
|
|
|
|
return results
|
|
|
|
@staticmethod
|
|
def parse_native_url(url):
|
|
"""
|
|
Support https://ntfy.sh/topic
|
|
"""
|
|
|
|
# Quick lookup for users who want to just paste
|
|
# the ntfy.sh url directly into Apprise
|
|
result = re.match(
|
|
r'^(http|ntfy)s?://ntfy\.sh'
|
|
r'(?P<topics>/[^?]+)?'
|
|
r'(?P<params>\?.+)?$', url, re.I)
|
|
|
|
if result:
|
|
mode = 'mode=%s' % NtfyMode.CLOUD
|
|
return NotifyNtfy.parse_url(
|
|
'{schema}://{topics}{params}'.format(
|
|
schema=NotifyNtfy.secure_protocol,
|
|
topics=result.group('topics')
|
|
if result.group('topics') else '',
|
|
params='?%s' % mode
|
|
if not result.group('params')
|
|
else result.group('params') + '&%s' % mode))
|
|
|
|
return None
|