bazarr/libs/apprise/plugins/NotifyMatterMost.py
2019-06-07 07:16:07 -04:00

359 lines
12 KiB
Python

# -*- coding: utf-8 -*-
#
# Copyright (C) 2019 Chris Caron <lead2gold@gmail.com>
# All rights reserved.
#
# This code is licensed under the MIT License.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files(the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions :
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
import re
import six
import requests
from json import dumps
from .NotifyBase import NotifyBase
from ..common import NotifyImageSize
from ..common import NotifyType
from ..utils import parse_bool
from ..utils import parse_list
from ..AppriseLocale import gettext_lazy as _
# Some Reference Locations:
# - https://docs.mattermost.com/developer/webhooks-incoming.html
# - https://docs.mattermost.com/administration/config-settings.html
# Used to validate Authorization Token
VALIDATE_AUTHTOKEN = re.compile(r'[a-z0-9]{24,32}', re.I)
class NotifyMatterMost(NotifyBase):
"""
A wrapper for MatterMost Notifications
"""
# The default descriptive name associated with the Notification
service_name = 'MatterMost'
# The services URL
service_url = 'https://mattermost.com/'
# The default protocol
protocol = 'mmost'
# The default secure protocol
secure_protocol = 'mmosts'
# A URL that takes you to the setup/help of the specific protocol
setup_url = 'https://github.com/caronc/apprise/wiki/Notify_mattermost'
# The default Mattermost port
default_port = 8065
# 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 = 4000
# Mattermost does not have a title
title_maxlen = 0
# Define object templates
templates = (
'{schema}://{host}/{authtoken}',
'{schema}://{host}/{authtoken}:{port}',
'{schema}://{botname}@{host}/{authtoken}',
'{schema}://{botname}@{host}:{port}/{authtoken}',
'{schema}://{host}/{fullpath}/{authtoken}',
'{schema}://{host}/{fullpath}{authtoken}:{port}',
'{schema}://{botname}@{host}/{fullpath}/{authtoken}',
'{schema}://{botname}@{host}:{port}/{fullpath}/{authtoken}',
)
# Define our template tokens
template_tokens = dict(NotifyBase.template_tokens, **{
'host': {
'name': _('Hostname'),
'type': 'string',
'required': True,
},
'authtoken': {
'name': _('Access Key'),
'type': 'string',
'regex': (r'[a-z0-9]{24,32}', 'i'),
'private': True,
'required': True,
},
'fullpath': {
'name': _('Path'),
'type': 'string',
},
'botname': {
'name': _('Bot Name'),
'type': 'string',
'map_to': 'user',
},
'port': {
'name': _('Port'),
'type': 'int',
'min': 1,
'max': 65535,
},
})
# Define our template arguments
template_args = dict(NotifyBase.template_args, **{
'channels': {
'name': _('Channels'),
'type': 'list:string',
},
'image': {
'name': _('Include Image'),
'type': 'bool',
'default': True,
'map_to': 'include_image',
},
'to': {
'alias_of': 'channels',
},
})
def __init__(self, authtoken, fullpath=None, channels=None,
include_image=False, **kwargs):
"""
Initialize MatterMost Object
"""
super(NotifyMatterMost, self).__init__(**kwargs)
if self.secure:
self.schema = 'https'
else:
self.schema = 'http'
# our full path
self.fullpath = '' if not isinstance(
fullpath, six.string_types) else fullpath.strip()
# Our Authorization Token
self.authtoken = authtoken
# Validate authtoken
if not authtoken:
msg = 'Missing MatterMost Authorization Token.'
self.logger.warning(msg)
raise TypeError(msg)
if not VALIDATE_AUTHTOKEN.match(authtoken):
msg = 'Invalid MatterMost Authorization Token Specified.'
self.logger.warning(msg)
raise TypeError(msg)
# Optional Channels
self.channels = parse_list(channels)
if not self.port:
self.port = self.default_port
# Place a thumbnail image inline with the message body
self.include_image = include_image
return
def send(self, body, title='', notify_type=NotifyType.INFO, **kwargs):
"""
Perform MatterMost Notification
"""
# Create a copy of our channels, otherwise place a dummy entry
channels = list(self.channels) if self.channels else [None, ]
headers = {
'User-Agent': self.app_id,
'Content-Type': 'application/json'
}
# prepare JSON Object
payload = {
'text': body,
'icon_url': None,
}
# Acquire our image url if configured to do so
image_url = None if not self.include_image \
else self.image_url(notify_type)
if image_url:
# Set our image configuration if told to do so
payload['icon_url'] = image_url
# Set our user
payload['username'] = self.user if self.user else self.app_id
# For error tracking
has_error = False
while len(channels):
# Pop a channel off of the list
channel = channels.pop(0)
if channel:
payload['channel'] = channel
url = '{}://{}:{}{}/hooks/{}'.format(
self.schema, self.host, self.port, self.fullpath,
self.authtoken)
self.logger.debug('MatterMost POST URL: %s (cert_verify=%r)' % (
url, self.verify_certificate,
))
self.logger.debug('MatterMost Payload: %s' % str(payload))
# Always call throttle before any remote server i/o is made
self.throttle()
try:
r = requests.post(
url,
data=dumps(payload),
headers=headers,
verify=self.verify_certificate,
)
if r.status_code != requests.codes.ok:
# We had a problem
status_str = \
NotifyMatterMost.http_response_code_lookup(
r.status_code)
self.logger.warning(
'Failed to send MatterMost notification{}: '
'{}{}error={}.'.format(
'' if not channel
else ' to channel {}'.format(channel),
status_str,
', ' if status_str else '',
r.status_code))
self.logger.debug(
'Response Details:\r\n{}'.format(r.content))
# Flag our error
has_error = True
continue
else:
self.logger.info(
'Sent MatterMost notification{}.'.format(
'' if not channel
else ' to channel {}'.format(channel)))
except requests.RequestException as e:
self.logger.warning(
'A Connection error occured sending MatterMost '
'notification{}.'.format(
'' if not channel
else ' to channel {}'.format(channel)))
self.logger.debug('Socket Exception: %s' % str(e))
# Flag our error
has_error = True
continue
# Return our overall status
return not has_error
def url(self):
"""
Returns the URL built dynamically based on specified arguments.
"""
# Define any arguments set
args = {
'format': self.notify_format,
'overflow': self.overflow_mode,
'image': 'yes' if self.include_image else 'no',
'verify': 'yes' if self.verify_certificate else 'no',
}
if self.channels:
# historically the value only accepted one channel and is
# therefore identified as 'channel'. Channels have always been
# optional, so that is why this setting is nested in an if block
args['channel'] = ','.join(self.channels)
default_port = 443 if self.secure else self.default_port
default_schema = self.secure_protocol if self.secure else self.protocol
return \
'{schema}://{hostname}{port}{fullpath}{authtoken}/?{args}'.format(
schema=default_schema,
hostname=NotifyMatterMost.quote(self.host, safe=''),
port='' if not self.port or self.port == default_port
else ':{}'.format(self.port),
fullpath='/' if not self.fullpath else '{}/'.format(
NotifyMatterMost.quote(self.fullpath, safe='/')),
authtoken=NotifyMatterMost.quote(self.authtoken, safe=''),
args=NotifyMatterMost.urlencode(args),
)
@staticmethod
def parse_url(url):
"""
Parses the URL and returns enough arguments that can allow
us to substantiate this object.
"""
results = NotifyBase.parse_url(url)
if not results:
# We're done early as we couldn't load the results
return results
# Acquire our tokens; the last one will always be our authtoken
# all entries before it will be our path
tokens = NotifyMatterMost.split_path(results['fullpath'])
# Apply our settings now
results['authtoken'] = None if not tokens else tokens.pop()
# Store our path
results['fullpath'] = '' if not tokens \
else '/{}'.format('/'.join(tokens))
# Define our optional list of channels to notify
results['channels'] = list()
# Support both 'to' (for yaml configuration) and channel=
if 'to' in results['qsd'] and len(results['qsd']['to']):
# Allow the user to specify the channel to post to
results['channels'].append(
NotifyMatterMost.parse_list(results['qsd']['to']))
if 'channel' in results['qsd'] and len(results['qsd']['channel']):
# Allow the user to specify the channel to post to
results['channels'].append(
NotifyMatterMost.parse_list(results['qsd']['channel']))
# Image manipulation
results['include_image'] = \
parse_bool(results['qsd'].get('image', False))
return results