mirror of
https://github.com/morpheus65535/bazarr
synced 2024-12-26 01:27:07 +00:00
776 lines
27 KiB
Python
776 lines
27 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2019 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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# There are 2 ways to use this plugin...
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# Method 1: Via Webhook:
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# Visit https://my.slack.com/services/new/incoming-webhook/
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# to create a new incoming webhook for your account. You'll need to
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# follow the wizard to pre-determine the channel(s) you want your
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# message to broadcast to, and when you're complete, you will
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# recieve a URL that looks something like this:
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# https://hooks.slack.com/services/T1JJ3T3L2/A1BRTD4JD/TIiajkdnlazkcOXrIdevi7
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# ^ ^ ^
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# | | |
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# These are important <--------------^---------^---------------^
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#
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# Method 2: Via a Bot:
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# 1. visit: https://api.slack.com/apps?new_app=1
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# 2. Pick an App Name (such as Apprise) and select your workspace. Then
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# press 'Create App'
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# 3. You'll be able to click on 'Bots' from here where you can then choose
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# to add a 'Bot User'. Give it a name and choose 'Add Bot User'.
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# 4. Now you can choose 'Install App' to which you can choose 'Install App
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# to Workspace'.
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# 5. You will need to authorize the app which you get promopted to do.
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# 6. Finally you'll get some important information providing you your
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# 'OAuth Access Token' and 'Bot User OAuth Access Token' such as:
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# slack://{Oauth Access Token}
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#
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# ... which might look something like:
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# slack://xoxp-1234-1234-1234-4ddbc191d40ee098cbaae6f3523ada2d
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# ... or:
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# slack://xoxb-1234-1234-4ddbc191d40ee098cbaae6f3523ada2d
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#
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import re
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import requests
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from json import dumps
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from json import loads
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from time import time
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from .NotifyBase import NotifyBase
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from ..common import NotifyImageSize
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from ..common import NotifyType
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from ..common import NotifyFormat
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from ..utils import parse_bool
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from ..utils import parse_list
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from ..utils import validate_regex
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from ..AppriseLocale import gettext_lazy as _
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# Extend HTTP Error Messages
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SLACK_HTTP_ERROR_MAP = {
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401: 'Unauthorized - Invalid Token.',
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}
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# Used to break path apart into list of channels
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CHANNEL_LIST_DELIM = re.compile(r'[ \t\r\n,#\\/]+')
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class SlackMode(object):
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"""
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Tracks the mode of which we're using Slack
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"""
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# We're dealing with a webhook
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# Our token looks like: T1JJ3T3L2/A1BRTD4JD/TIiajkdnlazkcOXrIdevi7
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WEBHOOK = 'webhook'
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# We're dealing with a bot (using the OAuth Access Token)
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# Our token looks like: xoxp-1234-1234-1234-abc124 or
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# Our token looks like: xoxb-1234-1234-abc124 or
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BOT = 'bot'
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# Define our Slack Modes
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SLACK_MODES = (
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SlackMode.WEBHOOK,
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SlackMode.BOT,
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)
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class NotifySlack(NotifyBase):
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"""
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A wrapper for Slack Notifications
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"""
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# The default descriptive name associated with the Notification
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service_name = 'Slack'
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# The services URL
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service_url = 'https://slack.com/'
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# The default secure protocol
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secure_protocol = 'slack'
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# Allow 50 requests per minute (Tier 2).
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# 60/50 = 0.2
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request_rate_per_sec = 1.2
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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_slack'
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# Slack Webhook URL
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webhook_url = 'https://hooks.slack.com/services'
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# Slack API URL (used with Bots)
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api_url = 'https://slack.com/api/{}'
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# Allows the user to specify the NotifyImageSize object
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image_size = NotifyImageSize.XY_72
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# The maximum allowable characters allowed in the body per message
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body_maxlen = 35000
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# Default Notification Format
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notify_format = NotifyFormat.MARKDOWN
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# Bot's do not have default channels to notify; so #general
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# becomes the default channel in BOT mode
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default_notification_channel = '#general'
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# Define object templates
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templates = (
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# Webhook
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'{schema}://{token_a}/{token_b}{token_c}',
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'{schema}://{botname}@{token_a}/{token_b}{token_c}',
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'{schema}://{token_a}/{token_b}{token_c}/{targets}',
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'{schema}://{botname}@{token_a}/{token_b}{token_c}/{targets}',
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# Bot
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'{schema}://{access_token}/',
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'{schema}://{access_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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'botname': {
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'name': _('Bot Name'),
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'type': 'string',
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'map_to': 'user',
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},
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# Bot User OAuth Access Token
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# which always starts with xoxp- e.g.:
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# xoxb-1234-1234-4ddbc191d40ee098cbaae6f3523ada2d
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'access_token': {
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'name': _('OAuth Access Token'),
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'type': 'string',
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'private': True,
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'required': True,
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'regex': (r'^xox[abp]-[A-Z0-9-]+$', 'i'),
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},
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# Token required as part of the Webhook request
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# /AAAAAAAAA/........./........................
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'token_a': {
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'name': _('Token A'),
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'type': 'string',
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'private': True,
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'required': True,
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'regex': (r'^[A-Z0-9]+$', 'i'),
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},
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# Token required as part of the Webhook request
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# /........./BBBBBBBBB/........................
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'token_b': {
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'name': _('Token B'),
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'type': 'string',
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'private': True,
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'required': True,
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'regex': (r'^[A-Z0-9]+$', 'i'),
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},
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# Token required as part of the Webhook request
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# /........./........./CCCCCCCCCCCCCCCCCCCCCCCC
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'token_c': {
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'name': _('Token C'),
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'type': 'string',
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'private': True,
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'required': True,
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'regex': (r'^[A-Za-z0-9]+$', 'i'),
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},
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'target_encoded_id': {
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'name': _('Target Encoded ID'),
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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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'target_user': {
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'name': _('Target User'),
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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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'target_channels': {
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'name': _('Target Channel'),
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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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# Define our template arguments
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template_args = dict(NotifyBase.template_args, **{
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'image': {
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'name': _('Include Image'),
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'type': 'bool',
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'default': True,
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'map_to': 'include_image',
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},
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'footer': {
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'name': _('Include Footer'),
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'type': 'bool',
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'default': True,
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'map_to': 'include_footer',
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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, access_token=None, token_a=None, token_b=None,
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token_c=None, targets=None, include_image=True,
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include_footer=True, **kwargs):
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"""
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Initialize Slack Object
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"""
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super(NotifySlack, self).__init__(**kwargs)
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# Setup our mode
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self.mode = SlackMode.BOT if access_token else SlackMode.WEBHOOK
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if self.mode is SlackMode.WEBHOOK:
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self.token_a = validate_regex(
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token_a, *self.template_tokens['token_a']['regex'])
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if not self.token_a:
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msg = 'An invalid Slack (first) Token ' \
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'({}) was specified.'.format(token_a)
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self.logger.warning(msg)
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raise TypeError(msg)
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self.token_b = validate_regex(
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token_b, *self.template_tokens['token_b']['regex'])
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if not self.token_b:
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msg = 'An invalid Slack (second) Token ' \
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'({}) was specified.'.format(token_b)
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self.logger.warning(msg)
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raise TypeError(msg)
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self.token_c = validate_regex(
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token_c, *self.template_tokens['token_c']['regex'])
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if not self.token_c:
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msg = 'An invalid Slack (third) Token ' \
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'({}) was specified.'.format(token_c)
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self.logger.warning(msg)
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raise TypeError(msg)
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else:
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self.access_token = validate_regex(
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access_token, *self.template_tokens['access_token']['regex'])
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if not self.access_token:
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msg = 'An invalid Slack OAuth Access Token ' \
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'({}) was specified.'.format(access_token)
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self.logger.warning(msg)
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raise TypeError(msg)
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if not self.user:
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self.logger.warning(
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'No user was specified; using "%s".' % self.app_id)
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# Build list of channels
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self.channels = parse_list(targets)
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if len(self.channels) == 0:
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# No problem; the webhook is smart enough to just notify the
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# channel it was created for; adding 'None' is just used as
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# a flag lower to not set the channels
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self.channels.append(
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None if self.mode is SlackMode.WEBHOOK
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else self.default_notification_channel)
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# Formatting requirements are defined here:
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# https://api.slack.com/docs/message-formatting
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self._re_formatting_map = {
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# New lines must become the string version
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r'\r\*\n': '\\n',
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# Escape other special characters
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r'&': '&',
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r'<': '<',
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r'>': '>',
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}
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# Iterate over above list and store content accordingly
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self._re_formatting_rules = re.compile(
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r'(' + '|'.join(self._re_formatting_map.keys()) + r')',
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re.IGNORECASE,
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)
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# Place a thumbnail image inline with the message body
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self.include_image = include_image
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# Place a footer with each post
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self.include_footer = include_footer
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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 Slack 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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# Perform Formatting
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title = self._re_formatting_rules.sub( # pragma: no branch
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lambda x: self._re_formatting_map[x.group()], title,
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)
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body = self._re_formatting_rules.sub( # pragma: no branch
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lambda x: self._re_formatting_map[x.group()], body,
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)
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# Prepare JSON Object (applicable to both WEBHOOK and BOT mode)
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payload = {
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'username': self.user if self.user else self.app_id,
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# Use Markdown language
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'mrkdwn': (self.notify_format == NotifyFormat.MARKDOWN),
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'attachments': [{
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'title': title,
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'text': body,
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'color': self.color(notify_type),
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# Time
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'ts': time(),
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}],
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}
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# Prepare our URL (depends on mode)
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if self.mode is SlackMode.WEBHOOK:
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url = '{}/{}/{}/{}'.format(
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self.webhook_url,
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self.token_a,
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self.token_b,
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self.token_c,
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)
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else: # SlackMode.BOT
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url = self.api_url.format('chat.postMessage')
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if self.include_footer:
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# Include the footer only if specified to do so
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payload['attachments'][0]['footer'] = self.app_id
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if attach and self.mode is SlackMode.WEBHOOK:
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# Be friendly; let the user know why they can't send their
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# attachments if using the Webhook mode
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self.logger.warning(
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'Slack Webhooks do not support attachments.')
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# Create a copy of the channel list
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channels = list(self.channels)
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attach_channel_list = []
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while len(channels):
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channel = channels.pop(0)
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if channel is not None:
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_channel = validate_regex(
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channel, r'[+#@]?(?P<value>[A-Z0-9_]{1,32})')
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if not _channel:
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# Channel over-ride was specified
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self.logger.warning(
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"The specified target {} is invalid;"
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"skipping.".format(_channel))
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# Mark our failure
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has_error = True
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continue
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if len(_channel) > 1 and _channel[0] == '+':
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# Treat as encoded id if prefixed with a +
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payload['channel'] = _channel[1:]
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elif len(_channel) > 1 and _channel[0] == '@':
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# Treat @ value 'as is'
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payload['channel'] = _channel
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else:
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# Prefix with channel hash tag
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payload['channel'] = '#{}'.format(_channel)
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# Store the valid and massaged payload that is recognizable by
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# slack. This list is used for sending attachments later.
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attach_channel_list.append(payload['channel'])
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# Acquire our to-be footer icon if configured to do so
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image_url = None if not self.include_image \
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else self.image_url(notify_type)
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if image_url:
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payload['icon_url'] = image_url
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if self.include_footer:
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payload['attachments'][0]['footer_icon'] = image_url
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response = self._send(url, payload)
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if not response:
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# Handle any error
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has_error = True
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continue
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self.logger.info(
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'Sent Slack notification{}.'.format(
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' to {}'.format(channel)
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if channel is not None else ''))
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if attach and self.mode is SlackMode.BOT and attach_channel_list:
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# Send our attachments (can only be done in bot mode)
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for attachment in attach:
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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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'Posting Slack attachment {}'.format(
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attachment.url(privacy=True)))
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# Prepare API Upload Payload
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_payload = {
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'filename': attachment.name,
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'channels': ','.join(attach_channel_list)
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}
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# Our URL
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_url = self.api_url.format('files.upload')
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response = self._send(_url, _payload, attach=attachment)
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if not (response and response.get('file') and
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response['file'].get('url_private')):
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# We failed to post our attachments, take an early exit
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return False
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return not has_error
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def _send(self, url, payload, 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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self.logger.debug('Slack POST URL: %s (cert_verify=%r)' % (
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url, self.verify_certificate,
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))
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self.logger.debug('Slack Payload: %s' % str(payload))
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headers = {
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'User-Agent': self.app_id,
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}
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if not attach:
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headers['Content-Type'] = 'application/json; charset=utf-8'
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if self.mode is SlackMode.BOT:
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headers['Authorization'] = 'Bearer {}'.format(self.access_token)
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# Our response object
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response = None
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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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# Our attachment path (if specified)
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files = None
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try:
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# Open our attachment path if required:
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if attach:
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files = {'file': (attach.name, open(attach.path, 'rb'))}
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r = requests.post(
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url,
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data=payload if attach else dumps(payload),
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headers=headers,
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files=files,
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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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NotifySlack.http_response_code_lookup(
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r.status_code, SLACK_HTTP_ERROR_MAP)
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self.logger.warning(
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'Failed to send {}to Slack: '
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'{}{}error={}.'.format(
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attach.name if attach else '',
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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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return False
|
|
|
|
elif attach:
|
|
# Attachment posts return a JSON string
|
|
try:
|
|
response = loads(r.content)
|
|
|
|
except (AttributeError, TypeError, ValueError):
|
|
# ValueError = r.content is Unparsable
|
|
# TypeError = r.content is None
|
|
# AttributeError = r is None
|
|
pass
|
|
|
|
if not (response and response.get('ok', True)):
|
|
# Bare minimum requirements not met
|
|
self.logger.warning(
|
|
'Failed to send {}to Slack: error={}.'.format(
|
|
attach.name if attach else '',
|
|
r.status_code))
|
|
|
|
self.logger.debug(
|
|
'Response Details:\r\n{}'.format(r.content))
|
|
return False
|
|
else:
|
|
response = r.content
|
|
|
|
# Message Post Response looks like this:
|
|
# {
|
|
# "attachments": [
|
|
# {
|
|
# "color": "3AA3E3",
|
|
# "fallback": "test",
|
|
# "id": 1,
|
|
# "text": "my body",
|
|
# "title": "my title",
|
|
# "ts": 1573694687
|
|
# }
|
|
# ],
|
|
# "bot_id": "BAK4K23G5",
|
|
# "icons": {
|
|
# "image_48": "https://s3-us-west-2.amazonaws.com/...
|
|
# },
|
|
# "subtype": "bot_message",
|
|
# "text": "",
|
|
# "ts": "1573694689.003700",
|
|
# "type": "message",
|
|
# "username": "Apprise"
|
|
# }
|
|
|
|
# File Attachment Responses look like this
|
|
# {
|
|
# "file": {
|
|
# "channels": [],
|
|
# "comments_count": 0,
|
|
# "created": 1573617523,
|
|
# "display_as_bot": false,
|
|
# "editable": false,
|
|
# "external_type": "",
|
|
# "filetype": "png",
|
|
# "groups": [],
|
|
# "has_rich_preview": false,
|
|
# "id": "FQJJLDAHM",
|
|
# "image_exif_rotation": 1,
|
|
# "ims": [],
|
|
# "is_external": false,
|
|
# "is_public": false,
|
|
# "is_starred": false,
|
|
# "mimetype": "image/png",
|
|
# "mode": "hosted",
|
|
# "name": "apprise-test.png",
|
|
# "original_h": 640,
|
|
# "original_w": 640,
|
|
# "permalink": "https://{name}.slack.com/files/...
|
|
# "permalink_public": "https://slack-files.com/...
|
|
# "pretty_type": "PNG",
|
|
# "public_url_shared": false,
|
|
# "shares": {},
|
|
# "size": 238810,
|
|
# "thumb_160": "https://files.slack.com/files-tmb/...
|
|
# "thumb_360": "https://files.slack.com/files-tmb/...
|
|
# "thumb_360_h": 360,
|
|
# "thumb_360_w": 360,
|
|
# "thumb_480": "https://files.slack.com/files-tmb/...
|
|
# "thumb_480_h": 480,
|
|
# "thumb_480_w": 480,
|
|
# "thumb_64": "https://files.slack.com/files-tmb/...
|
|
# "thumb_80": "https://files.slack.com/files-tmb/...
|
|
# "thumb_tiny": abcd...
|
|
# "timestamp": 1573617523,
|
|
# "title": "apprise-test",
|
|
# "url_private": "https://files.slack.com/files-pri/...
|
|
# "url_private_download": "https://files.slack.com/files-...
|
|
# "user": "UADKLLMJT",
|
|
# "username": ""
|
|
# },
|
|
# "ok": true
|
|
# }
|
|
except requests.RequestException as e:
|
|
self.logger.warning(
|
|
'A Connection error occurred posting {}to Slack.'.format(
|
|
attach.name if attach else ''))
|
|
self.logger.debug('Socket Exception: %s' % str(e))
|
|
return False
|
|
|
|
except (OSError, IOError) as e:
|
|
self.logger.warning(
|
|
'An I/O error occurred while reading {}.'.format(
|
|
attach.name if attach else 'attachment'))
|
|
self.logger.debug('I/O Exception: %s' % str(e))
|
|
return False
|
|
|
|
finally:
|
|
# Close our file (if it's open) stored in the second element
|
|
# of our files tuple (index 1)
|
|
if files:
|
|
files['file'][1].close()
|
|
|
|
# Return the response for processing
|
|
return response
|
|
|
|
def url(self, privacy=False, *args, **kwargs):
|
|
"""
|
|
Returns the URL built dynamically based on specified arguments.
|
|
"""
|
|
|
|
# Define any URL parameters
|
|
params = {
|
|
'image': 'yes' if self.include_image else 'no',
|
|
'footer': 'yes' if self.include_footer else 'no',
|
|
}
|
|
|
|
# Extend our parameters
|
|
params.update(self.url_parameters(privacy=privacy, *args, **kwargs))
|
|
|
|
if self.mode == SlackMode.WEBHOOK:
|
|
# Determine if there is a botname present
|
|
botname = ''
|
|
if self.user:
|
|
botname = '{botname}@'.format(
|
|
botname=NotifySlack.quote(self.user, safe=''),
|
|
)
|
|
|
|
return '{schema}://{botname}{token_a}/{token_b}/{token_c}/'\
|
|
'{targets}/?{params}'.format(
|
|
schema=self.secure_protocol,
|
|
botname=botname,
|
|
token_a=self.pprint(self.token_a, privacy, safe=''),
|
|
token_b=self.pprint(self.token_b, privacy, safe=''),
|
|
token_c=self.pprint(self.token_c, privacy, safe=''),
|
|
targets='/'.join(
|
|
[NotifySlack.quote(x, safe='')
|
|
for x in self.channels]),
|
|
params=NotifySlack.urlencode(params),
|
|
)
|
|
# else -> self.mode == SlackMode.BOT:
|
|
return '{schema}://{access_token}/{targets}/'\
|
|
'?{params}'.format(
|
|
schema=self.secure_protocol,
|
|
access_token=self.pprint(self.access_token, privacy, safe=''),
|
|
targets='/'.join(
|
|
[NotifySlack.quote(x, safe='') for x in self.channels]),
|
|
params=NotifySlack.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 first token is stored in the hostname
|
|
token = NotifySlack.unquote(results['host'])
|
|
|
|
# Get unquoted entries
|
|
entries = NotifySlack.split_path(results['fullpath'])
|
|
|
|
# Verify if our token_a us a bot token or part of a webhook:
|
|
if token.startswith('xo'):
|
|
# We're dealing with a bot
|
|
results['access_token'] = token
|
|
|
|
else:
|
|
# We're dealing with a webhook
|
|
results['token_a'] = token
|
|
|
|
# Now fetch the remaining tokens
|
|
try:
|
|
results['token_b'] = entries.pop(0)
|
|
|
|
except IndexError:
|
|
# We're done
|
|
results['token_b'] = None
|
|
|
|
try:
|
|
results['token_c'] = entries.pop(0)
|
|
|
|
except IndexError:
|
|
# We're done
|
|
results['token_c'] = None
|
|
|
|
# assign remaining entries to the channels we wish to notify
|
|
results['targets'] = entries
|
|
|
|
# Support the 'to' variable so that we can support rooms this way too
|
|
# The 'to' makes it easier to use yaml configuration
|
|
if 'to' in results['qsd'] and len(results['qsd']['to']):
|
|
results['targets'] += [x for x in filter(
|
|
bool, CHANNEL_LIST_DELIM.split(
|
|
NotifySlack.unquote(results['qsd']['to'])))]
|
|
|
|
# Get Image Flag
|
|
results['include_image'] = \
|
|
parse_bool(results['qsd'].get('image', True))
|
|
|
|
# Get Footer Flag
|
|
results['include_footer'] = \
|
|
parse_bool(results['qsd'].get('footer', True))
|
|
|
|
return results
|
|
|
|
@staticmethod
|
|
def parse_native_url(url):
|
|
"""
|
|
Support https://hooks.slack.com/services/TOKEN_A/TOKEN_B/TOKEN_C
|
|
"""
|
|
|
|
result = re.match(
|
|
r'^https?://hooks\.slack\.com/services/'
|
|
r'(?P<token_a>[A-Z0-9]+)/'
|
|
r'(?P<token_b>[A-Z0-9]+)/'
|
|
r'(?P<token_c>[A-Z0-9]+)/?'
|
|
r'(?P<params>\?.+)?$', url, re.I)
|
|
|
|
if result:
|
|
return NotifySlack.parse_url(
|
|
'{schema}://{token_a}/{token_b}/{token_c}/{params}'.format(
|
|
schema=NotifySlack.secure_protocol,
|
|
token_a=result.group('token_a'),
|
|
token_b=result.group('token_b'),
|
|
token_c=result.group('token_c'),
|
|
params='' if not result.group('params')
|
|
else result.group('params')))
|
|
|
|
return None
|