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SickGear/lib/apprise/plugins/NotifySlack.py

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# -*- coding: utf-8 -*-
# BSD 2-Clause License
#
# Apprise - Push Notification Library.
# Copyright (c) 2023, Chris Caron <lead2gold@gmail.com>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
# There are 2 ways to use this plugin...
# Method 1: Via Webhook:
# Visit https://my.slack.com/services/new/incoming-webhook/
# to create a new incoming webhook for your account. You'll need to
# follow the wizard to pre-determine the channel(s) you want your
# message to broadcast to, and when you're complete, you will
# recieve a URL that looks something like this:
# https://hooks.slack.com/services/T1JJ3T3L2/A1BRTD4JD/TIiajkdnlazkcOXrIdevi7
# ^ ^ ^
# | | |
# These are important <--------------^---------^---------------^
#
# Method 2: Via a Bot:
# 1. visit: https://api.slack.com/apps?new_app=1
# 2. Pick an App Name (such as Apprise) and select your workspace. Then
# press 'Create App'
# 3. You'll be able to click on 'Bots' from here where you can then choose
# to add a 'Bot User'. Give it a name and choose 'Add Bot User'.
# 4. Now you can choose 'Install App' to which you can choose 'Install App
# to Workspace'.
# 5. You will need to authorize the app which you get prompted to do.
# 6. Finally you'll get some important information providing you your
# 'OAuth Access Token' and 'Bot User OAuth Access Token' such as:
# slack://{Oauth Access Token}
#
# ... which might look something like:
# slack://xoxp-1234-1234-1234-4ddbc191d40ee098cbaae6f3523ada2d
# ... or:
# slack://xoxb-1234-1234-4ddbc191d40ee098cbaae6f3523ada2d
#
# You must at least give your bot the following access for it to
# be useful:
# - chat:write - MUST be set otherwise you can not post into
# a channel
# - users:read.email - Required if you want to be able to lookup
# users by their email address.
#
# The easiest way to bring a bot into a channel (so that it can send
# a message to it is to invite it. At this time Apprise does not support
# an auto-join functionality. To do this:
# - In the 'Details' section of your channel
# - Click on the 'More' [...] (elipse icon)
# - Click 'Add apps'
# - You will be able to select the Bot App you previously created
# - Your bot will join your channel.
import re
import requests
from json import dumps
from json import loads
from time import time
from .NotifyBase import NotifyBase
from ..common import NotifyImageSize
from ..common import NotifyType
from ..common import NotifyFormat
from ..utils import is_email
from ..utils import parse_bool
from ..utils import parse_list
from ..utils import validate_regex
from ..AppriseLocale import gettext_lazy as _
# Extend HTTP Error Messages
SLACK_HTTP_ERROR_MAP = {
401: 'Unauthorized - Invalid Token.',
}
# Used to break path apart into list of channels
CHANNEL_LIST_DELIM = re.compile(r'[ \t\r\n,#\\/]+')
class SlackMode:
"""
Tracks the mode of which we're using Slack
"""
# We're dealing with a webhook
# Our token looks like: T1JJ3T3L2/A1BRTD4JD/TIiajkdnlazkcOXrIdevi7
WEBHOOK = 'webhook'
# We're dealing with a bot (using the OAuth Access Token)
# Our token looks like: xoxp-1234-1234-1234-abc124 or
# Our token looks like: xoxb-1234-1234-abc124 or
BOT = 'bot'
# Define our Slack Modes
SLACK_MODES = (
SlackMode.WEBHOOK,
SlackMode.BOT,
)
class NotifySlack(NotifyBase):
"""
A wrapper for Slack Notifications
"""
# The default descriptive name associated with the Notification
service_name = 'Slack'
# The services URL
service_url = 'https://slack.com/'
# The default secure protocol
secure_protocol = 'slack'
# Allow 50 requests per minute (Tier 2).
# 60/50 = 0.2
request_rate_per_sec = 1.2
# A URL that takes you to the setup/help of the specific protocol
setup_url = 'https://github.com/caronc/apprise/wiki/Notify_slack'
# Support attachments
attachment_support = True
# The maximum targets to include when doing batch transfers
# Slack Webhook URL
webhook_url = 'https://hooks.slack.com/services'
# Slack API URL (used with Bots)
api_url = 'https://slack.com/api/{}'
# Allows the user to specify the NotifyImageSize object
image_size = NotifyImageSize.XY_72
# The maximum allowable characters allowed in the body per message
body_maxlen = 35000
# Default Notification Format
notify_format = NotifyFormat.MARKDOWN
# Bot's do not have default channels to notify; so #general
# becomes the default channel in BOT mode
default_notification_channel = '#general'
# Define object templates
templates = (
# Webhook
'{schema}://{token_a}/{token_b}/{token_c}',
'{schema}://{botname}@{token_a}/{token_b}{token_c}',
'{schema}://{token_a}/{token_b}/{token_c}/{targets}',
'{schema}://{botname}@{token_a}/{token_b}/{token_c}/{targets}',
# Bot
'{schema}://{access_token}/',
'{schema}://{access_token}/{targets}',
)
# Define our template tokens
template_tokens = dict(NotifyBase.template_tokens, **{
'botname': {
'name': _('Bot Name'),
'type': 'string',
'map_to': 'user',
},
# Bot User OAuth Access Token
# which always starts with xoxp- e.g.:
# xoxb-1234-1234-4ddbc191d40ee098cbaae6f3523ada2d
'access_token': {
'name': _('OAuth Access Token'),
'type': 'string',
'private': True,
'required': True,
'regex': (r'^xox[abp]-[A-Z0-9-]+$', 'i'),
},
# Token required as part of the Webhook request
# /AAAAAAAAA/........./........................
'token_a': {
'name': _('Token A'),
'type': 'string',
'private': True,
'regex': (r'^[A-Z0-9]+$', 'i'),
},
# Token required as part of the Webhook request
# /........./BBBBBBBBB/........................
'token_b': {
'name': _('Token B'),
'type': 'string',
'private': True,
'regex': (r'^[A-Z0-9]+$', 'i'),
},
# Token required as part of the Webhook request
# /........./........./CCCCCCCCCCCCCCCCCCCCCCCC
'token_c': {
'name': _('Token C'),
'type': 'string',
'private': True,
'regex': (r'^[A-Za-z0-9]+$', 'i'),
},
'target_encoded_id': {
'name': _('Target Encoded ID'),
'type': 'string',
'prefix': '+',
'map_to': 'targets',
},
'target_email': {
'name': _('Target Email'),
'type': 'string',
'map_to': 'targets',
},
'target_user': {
'name': _('Target User'),
'type': 'string',
'prefix': '@',
'map_to': 'targets',
},
'target_channels': {
'name': _('Target Channel'),
'type': 'string',
'prefix': '#',
'map_to': 'targets',
},
'targets': {
'name': _('Targets'),
'type': 'list:string',
},
})
# Define our template arguments
template_args = dict(NotifyBase.template_args, **{
'image': {
'name': _('Include Image'),
'type': 'bool',
'default': True,
'map_to': 'include_image',
},
'footer': {
'name': _('Include Footer'),
'type': 'bool',
'default': True,
'map_to': 'include_footer',
},
# Use Payload in Blocks (vs legacy way):
# See: https://api.slack.com/reference/messaging/payload
'blocks': {
'name': _('Use Blocks'),
'type': 'bool',
'default': False,
'map_to': 'use_blocks',
},
'to': {
'alias_of': 'targets',
},
'token': {
'name': _('Token'),
'alias_of': ('access_token', 'token_a', 'token_b', 'token_c'),
},
})
def __init__(self, access_token=None, token_a=None, token_b=None,
token_c=None, targets=None, include_image=True,
include_footer=True, use_blocks=None, **kwargs):
"""
Initialize Slack Object
"""
super().__init__(**kwargs)
# Setup our mode
self.mode = SlackMode.BOT if access_token else SlackMode.WEBHOOK
if self.mode is SlackMode.WEBHOOK:
self.token_a = validate_regex(
token_a, *self.template_tokens['token_a']['regex'])
if not self.token_a:
msg = 'An invalid Slack (first) Token ' \
'({}) was specified.'.format(token_a)
self.logger.warning(msg)
raise TypeError(msg)
self.token_b = validate_regex(
token_b, *self.template_tokens['token_b']['regex'])
if not self.token_b:
msg = 'An invalid Slack (second) Token ' \
'({}) was specified.'.format(token_b)
self.logger.warning(msg)
raise TypeError(msg)
self.token_c = validate_regex(
token_c, *self.template_tokens['token_c']['regex'])
if not self.token_c:
msg = 'An invalid Slack (third) Token ' \
'({}) was specified.'.format(token_c)
self.logger.warning(msg)
raise TypeError(msg)
else:
self.access_token = validate_regex(
access_token, *self.template_tokens['access_token']['regex'])
if not self.access_token:
msg = 'An invalid Slack OAuth Access Token ' \
'({}) was specified.'.format(access_token)
self.logger.warning(msg)
raise TypeError(msg)
# Look the users up by their email address and map them back to their
# id here for future queries (if needed). This allows people to
# specify a full email as a recipient via slack
self._lookup_users = {}
self.use_blocks = parse_bool(
use_blocks, self.template_args['blocks']['default']) \
if use_blocks is not None \
else self.template_args['blocks']['default']
# Build list of channels
self.channels = parse_list(targets)
if len(self.channels) == 0:
# No problem; the webhook is smart enough to just notify the
# channel it was created for; adding 'None' is just used as
# a flag lower to not set the channels
self.channels.append(
None if self.mode is SlackMode.WEBHOOK
else self.default_notification_channel)
# Formatting requirements are defined here:
# https://api.slack.com/docs/message-formatting
self._re_formatting_map = {
# New lines must become the string version
r'\r\*\n': '\\n',
# Escape other special characters
r'&': '&amp;',
r'<': '&lt;',
r'>': '&gt;',
}
# To notify a channel, one uses <!channel|channel>
self._re_channel_support = re.compile(
r'(?P<match>(?:<|\&lt;)?[ \t]*'
r'!(?P<channel>[^| \n]+)'
r'(?:[ \t]*\|[ \t]*(?:(?P<val>[^\n]+?)[ \t]*)?(?:>|\&gt;)'
r'|(?:>|\&gt;)))', re.IGNORECASE)
# The markdown in slack isn't [desc](url), it's <url|desc>
#
# To accomodate this, we need to ensure we don't escape URLs that match
self._re_url_support = re.compile(
r'(?P<match>(?:<|\&lt;)?[ \t]*'
r'(?P<url>(?:https?|mailto)://[^| \n]+)'
r'(?:[ \t]*\|[ \t]*(?:(?P<val>[^\n]+?)[ \t]*)?(?:>|\&gt;)'
r'|(?:>|\&gt;)))', re.IGNORECASE)
# Iterate over above list and store content accordingly
self._re_formatting_rules = re.compile(
r'(' + '|'.join(self._re_formatting_map.keys()) + r')',
re.IGNORECASE,
)
# Place a thumbnail image inline with the message body
self.include_image = include_image
# Place a footer with each post
self.include_footer = include_footer
return
def send(self, body, title='', notify_type=NotifyType.INFO, attach=None,
**kwargs):
"""
Perform Slack Notification
"""
# error tracking (used for function return)
has_error = False
#
# Prepare JSON Object (applicable to both WEBHOOK and BOT mode)
#
if self.use_blocks:
# Our slack format
_slack_format = 'mrkdwn' \
if self.notify_format == NotifyFormat.MARKDOWN \
else 'plain_text'
payload = {
'username': self.user if self.user else self.app_id,
'attachments': [{
'blocks': [{
'type': 'section',
'text': {
'type': _slack_format,
'text': body
}
}],
'color': self.color(notify_type),
}]
}
# Slack only accepts non-empty header sections
if title:
payload['attachments'][0]['blocks'].insert(0, {
'type': 'header',
'text': {
'type': 'plain_text',
'text': title,
'emoji': True
}
})
# Include the footer only if specified to do so
if self.include_footer:
# Acquire our to-be footer icon if configured to do so
image_url = None if not self.include_image \
else self.image_url(notify_type)
# Prepare our footer based on the block structure
_footer = {
'type': 'context',
'elements': [{
'type': _slack_format,
'text': self.app_id
}]
}
if image_url:
payload['icon_url'] = image_url
_footer['elements'].insert(0, {
'type': 'image',
'image_url': image_url,
'alt_text': notify_type
})
payload['attachments'][0]['blocks'].append(_footer)
else:
#
# Legacy API Formatting
#
if self.notify_format == NotifyFormat.MARKDOWN:
body = self._re_formatting_rules.sub( # pragma: no branch
lambda x: self._re_formatting_map[x.group()], body,
)
# Support <!channel|desc>, <!channel> entries
for match in self._re_channel_support.findall(body):
# Swap back any ampersands previously updaated
channel = match[1].strip()
desc = match[2].strip()
# Update our string
body = re.sub(
re.escape(match[0]),
'<!{channel}|{desc}>'.format(
channel=channel, desc=desc)
if desc else '<!{channel}>'.format(channel=channel),
body,
re.IGNORECASE)
# Support <url|desc>, <url> entries
for match in self._re_url_support.findall(body):
# Swap back any ampersands previously updaated
url = match[1].replace('&amp;', '&')
desc = match[2].strip()
# Update our string
body = re.sub(
re.escape(match[0]),
'<{url}|{desc}>'.format(url=url, desc=desc)
if desc else '<{url}>'.format(url=url),
body,
re.IGNORECASE)
# Perform Formatting on title here; this is not needed for block
# mode above
title = self._re_formatting_rules.sub( # pragma: no branch
lambda x: self._re_formatting_map[x.group()], title,
)
# Prepare JSON Object (applicable to both WEBHOOK and BOT mode)
payload = {
'username': self.user if self.user else self.app_id,
# Use Markdown language
'mrkdwn': (self.notify_format == NotifyFormat.MARKDOWN),
'attachments': [{
'title': title,
'text': body,
'color': self.color(notify_type),
# Time
'ts': time(),
}],
}
# Acquire our to-be footer icon if configured to do so
image_url = None if not self.include_image \
else self.image_url(notify_type)
if image_url:
payload['icon_url'] = image_url
# Include the footer only if specified to do so
if self.include_footer:
if image_url:
payload['attachments'][0]['footer_icon'] = image_url
# Include the footer only if specified to do so
payload['attachments'][0]['footer'] = self.app_id
if attach and self.attachment_support \
and self.mode is SlackMode.WEBHOOK:
# Be friendly; let the user know why they can't send their
# attachments if using the Webhook mode
self.logger.warning(
'Slack Webhooks do not support attachments.')
# Prepare our Slack URL (depends on mode)
if self.mode is SlackMode.WEBHOOK:
url = '{}/{}/{}/{}'.format(
self.webhook_url,
self.token_a,
self.token_b,
self.token_c,
)
else: # SlackMode.BOT
url = self.api_url.format('chat.postMessage')
# Create a copy of the channel list
channels = list(self.channels)
attach_channel_list = []
while len(channels):
channel = channels.pop(0)
if channel is not None:
channel = validate_regex(channel, r'[+#@]?[A-Z0-9_]{1,32}')
if not channel:
# Channel over-ride was specified
self.logger.warning(
"The specified target {} is invalid;"
"skipping.".format(channel))
# Mark our failure
has_error = True
continue
if channel[0] == '+':
# Treat as encoded id if prefixed with a +
payload['channel'] = channel[1:]
elif channel[0] == '@':
# Treat @ value 'as is'
payload['channel'] = channel
else:
# We'll perform a user lookup if we detect an email
email = is_email(channel)
if email:
payload['channel'] = \
self.lookup_userid(email['full_email'])
if not payload['channel']:
# Move along; any notifications/logging would have
# come from lookup_userid()
has_error = True
continue
else:
# Prefix with channel hash tag (if not already)
payload['channel'] = \
channel if channel[0] == '#' \
else '#{}'.format(channel)
# Store the valid and massaged payload that is recognizable by
# slack. This list is used for sending attachments later.
attach_channel_list.append(payload['channel'])
response = self._send(url, payload)
if not response:
# Handle any error
has_error = True
continue
self.logger.info(
'Sent Slack notification{}.'.format(
' to {}'.format(channel)
if channel is not None else ''))
if attach and self.attachment_support and \
self.mode is SlackMode.BOT and attach_channel_list:
# Send our attachments (can only be done in bot mode)
for attachment in attach:
# Perform some simple error checking
if not attachment:
# We could not access the attachment
self.logger.error(
'Could not access attachment {}.'.format(
attachment.url(privacy=True)))
return False
self.logger.debug(
'Posting Slack attachment {}'.format(
attachment.url(privacy=True)))
# Prepare API Upload Payload
_payload = {
'filename': attachment.name,
'channels': ','.join(attach_channel_list)
}
# Our URL
_url = self.api_url.format('files.upload')
response = self._send(_url, _payload, attach=attachment)
if not (response and response.get('file') and
response['file'].get('url_private')):
# We failed to post our attachments, take an early exit
return False
return not has_error
def lookup_userid(self, email):
"""
Takes an email address and attempts to resolve/acquire it's user
id for notification purposes.
"""
if email in self._lookup_users:
# We're done as entry has already been retrieved
return self._lookup_users[email]
if self.mode is not SlackMode.BOT:
# You can not look up
self.logger.warning(
'Emails can not be resolved to Slack User IDs unless you '
'have a bot configured.')
return None
lookup_url = self.api_url.format('users.lookupByEmail')
headers = {
'User-Agent': self.app_id,
'Content-Type': 'application/x-www-form-urlencoded',
'Authorization': 'Bearer {}'.format(self.access_token),
}
# we pass in our email address as the argument
params = {
'email': email,
}
self.logger.debug('Slack User Lookup POST URL: %s (cert_verify=%r)' % (
lookup_url, self.verify_certificate,
))
self.logger.debug('Slack User Lookup Parameters: %s' % str(params))
# Initialize our HTTP JSON response
response = {'ok': False}
# Initialize our detected user id (also the response to this function)
user_id = None
# Always call throttle before any remote server i/o is made
self.throttle()
try:
r = requests.get(
lookup_url,
headers=headers,
params=params,
verify=self.verify_certificate,
timeout=self.request_timeout,
)
# 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
# We can get a 200 response, but still fail. A failure message
# might look like this (missing bot permissions):
# {
# 'ok': False,
# 'error': 'missing_scope',
# 'needed': 'users:read.email',
# 'provided': 'calls:write,chat:write'
# }
if r.status_code != requests.codes.ok \
or not (response and response.get('ok', False)):
# We had a problem
status_str = \
NotifySlack.http_response_code_lookup(
r.status_code, SLACK_HTTP_ERROR_MAP)
self.logger.warning(
'Failed to send Slack User Lookup:'
'{}{}error={}.'.format(
status_str,
', ' if status_str else '',
r.status_code))
self.logger.debug('Response Details:\r\n{}'.format(r.content))
# Return; we're done
return False
# If we reach here, then we were successful in looking up
# the user. A response generally looks like this:
# {
# 'ok': True,
# 'user': {
# 'id': 'J1ZQB9T9Y',
# 'team_id': 'K1WR6TML2',
# 'name': 'l2g',
# 'deleted': False,
# 'color': '9f69e7',
# 'real_name': 'Chris C',
# 'tz': 'America/New_York',
# 'tz_label': 'Eastern Standard Time',
# 'tz_offset': -18000,
# 'profile': {
# 'title': '',
# 'phone': '',
# 'skype': '',
# 'real_name': 'Chris C',
# 'real_name_normalized':
# 'Chris C',
# 'display_name': 'l2g',
# 'display_name_normalized': 'l2g',
# 'fields': None,
# 'status_text': '',
# 'status_emoji': '',
# 'status_expiration': 0,
# 'avatar_hash': 'g785e9c0ddf6',
# 'email': 'lead2gold@gmail.com',
# 'first_name': 'Chris',
# 'last_name': 'C',
# 'image_24': 'https://secure.gravatar.com/...',
# 'image_32': 'https://secure.gravatar.com/...',
# 'image_48': 'https://secure.gravatar.com/...',
# 'image_72': 'https://secure.gravatar.com/...',
# 'image_192': 'https://secure.gravatar.com/...',
# 'image_512': 'https://secure.gravatar.com/...',
# 'status_text_canonical': '',
# 'team': 'K1WR6TML2'
# },
# 'is_admin': True,
# 'is_owner': True,
# 'is_primary_owner': True,
# 'is_restricted': False,
# 'is_ultra_restricted': False,
# 'is_bot': False,
# 'is_app_user': False,
# 'updated': 1603904274
# }
# }
# We're only interested in the id
user_id = response['user']['id']
# Cache it for future
self._lookup_users[email] = user_id
self.logger.info(
'Email %s resolves to the Slack User ID: %s.', email, user_id)
except requests.RequestException as e:
self.logger.warning(
'A Connection error occurred looking up Slack User.',
)
self.logger.debug('Socket Exception: %s' % str(e))
# Return; we're done
return None
return user_id
def _send(self, url, payload, attach=None, **kwargs):
"""
Wrapper to the requests (post) object
"""
self.logger.debug('Slack POST URL: %s (cert_verify=%r)' % (
url, self.verify_certificate,
))
self.logger.debug('Slack Payload: %s' % str(payload))
headers = {
'User-Agent': self.app_id,
'Accept': 'application/json',
}
if not attach:
headers['Content-Type'] = 'application/json; charset=utf-8'
if self.mode is SlackMode.BOT:
headers['Authorization'] = 'Bearer {}'.format(self.access_token)
# Our response object
response = {'ok': False}
# Always call throttle before any remote server i/o is made
self.throttle()
# Our attachment path (if specified)
files = None
try:
# Open our attachment path if required:
if attach:
files = {'file': (attach.name, open(attach.path, 'rb'))}
r = requests.post(
url,
data=payload if attach else dumps(payload),
headers=headers,
files=files,
verify=self.verify_certificate,
timeout=self.request_timeout,
)
# 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
# Another response type is:
# {
# 'ok': False,
# 'error': 'not_in_channel',
# }
#
# The text 'ok' is returned if this is a Webhook request
# So the below captures that as well.
status_okay = (response and response.get('ok', False)) \
if self.mode is SlackMode.BOT else r.content == b'ok'
if r.status_code != requests.codes.ok or not status_okay:
# We had a problem
status_str = \
NotifySlack.http_response_code_lookup(
r.status_code, SLACK_HTTP_ERROR_MAP)
self.logger.warning(
'Failed to send {}to Slack: '
'{}{}error={}.'.format(
attach.name if attach else '',
status_str,
', ' if status_str else '',
r.status_code))
self.logger.debug(
'Response Details:\r\n{}'.format(r.content))
return False
# 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',
'blocks': 'yes' if self.use_blocks else 'no',
}
# Extend our parameters
params.update(self.url_parameters(privacy=privacy, *args, **kwargs))
# Determine if there is a botname present
botname = ''
if self.user:
botname = '{botname}@'.format(
botname=NotifySlack.quote(self.user, safe=''),
)
if self.mode == SlackMode.WEBHOOK:
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}://{botname}{access_token}/{targets}/'\
'?{params}'.format(
schema=self.secure_protocol,
botname=botname,
access_token=self.pprint(self.access_token, privacy, safe=''),
targets='/'.join(
[NotifySlack.quote(x, safe='') for x in self.channels]),
params=NotifySlack.urlencode(params),
)
def __len__(self):
"""
Returns the number of targets associated with this notification
"""
return len(self.channels)
@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
results['token_b'] = entries.pop(0) if entries else None
results['token_c'] = entries.pop(0) if entries else None
# assign remaining entries to the channels we wish to notify
results['targets'] = entries
# Support the token flag where you can set it to the bot token
# or the webhook token (with slash delimiters)
if 'token' in results['qsd'] and len(results['qsd']['token']):
# Break our entries up into a list; we can ue the Channel
# list delimiter above since it doesn't contain any characters
# we don't otherwise accept anyway in our token
entries = [x for x in filter(
bool, CHANNEL_LIST_DELIM.split(
NotifySlack.unquote(results['qsd']['token'])))]
# check to see if we're dealing with a bot/user token
if entries and entries[0].startswith('xo'):
# We're dealing with a bot
results['access_token'] = entries[0]
results['token_a'] = None
results['token_b'] = None
results['token_c'] = None
else: # Webhook
results['access_token'] = None
results['token_a'] = entries.pop(0) if entries else None
results['token_b'] = entries.pop(0) if entries else None
results['token_c'] = entries.pop(0) if entries else None
# 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 Payload structure (use blocks?)
if 'blocks' in results['qsd'] and len(results['qsd']['blocks']):
results['use_blocks'] = parse_bool(results['qsd']['blocks'])
# 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
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