bazarr/libs/apprise/plugins/NotifyRocketChat.py

345 lines
10 KiB
Python

# -*- coding: utf-8 -*-
#
# Notify Rocket.Chat Notify Wrapper
#
# Copyright (C) 2017-2018 Chris Caron <lead2gold@gmail.com>
#
# This file is part of apprise.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
import re
import requests
from json import loads
from .NotifyBase import NotifyBase
from .NotifyBase import HTTP_ERROR_MAP
from ..utils import compat_is_basestring
IS_CHANNEL = re.compile(r'^#(?P<name>[A-Za-z0-9]+)$')
IS_ROOM_ID = re.compile(r'^(?P<name>[A-Za-z0-9]+)$')
# Extend HTTP Error Messages
RC_HTTP_ERROR_MAP = HTTP_ERROR_MAP.copy()
RC_HTTP_ERROR_MAP.update({
400: 'Channel/RoomId is wrong format, or missing from server.',
401: 'Authentication tokens provided is invalid or missing.',
})
# Used to break apart list of potential tags by their delimiter
# into a usable list.
LIST_DELIM = re.compile(r'[ \t\r\n,\\/]+')
class NotifyRocketChat(NotifyBase):
"""
A wrapper for Notify Rocket.Chat Notifications
"""
# The default protocol
protocol = 'rocket'
# The default secure protocol
secure_protocol = 'rockets'
# Defines the maximum allowable characters in the title
title_maxlen = 200
def __init__(self, recipients=None, **kwargs):
"""
Initialize Notify Rocket.Chat Object
"""
super(NotifyRocketChat, self).__init__(**kwargs)
if self.secure:
self.schema = 'https'
else:
self.schema = 'http'
# Prepare our URL
self.api_url = '%s://%s' % (self.schema, self.host)
if isinstance(self.port, int):
self.api_url += ':%d' % self.port
self.api_url += '/api/v1/'
# Initialize channels list
self.channels = list()
# Initialize room list
self.rooms = list()
if recipients is None:
recipients = []
elif compat_is_basestring(recipients):
recipients = [x for x in filter(bool, LIST_DELIM.split(
recipients,
))]
elif not isinstance(recipients, (set, tuple, list)):
recipients = []
# Validate recipients and drop bad ones:
for recipient in recipients:
result = IS_CHANNEL.match(recipient)
if result:
# store valid device
self.channels.append(result.group('name'))
continue
result = IS_ROOM_ID.match(recipient)
if result:
# store valid room
self.rooms.append(result.group('name'))
continue
self.logger.warning(
'Dropped invalid channel/room ' +
'(%s) specified.' % recipient,
)
if len(self.rooms) == 0 and len(self.channels) == 0:
raise TypeError(
'No Rocket.Chat room and/or channels specified to notify.'
)
# Used to track token headers upon authentication (if successful)
self.headers = {}
def notify(self, title, body, notify_type, **kwargs):
"""
wrapper to send_notification since we can alert more then one channel
"""
# Track whether we authenticated okay
if not self.login():
return False
# Prepare our message
text = '*%s*\r\n%s' % (title.replace('*', '\\*'), body)
# Initiaize our error tracking
has_error = False
# Create a copy of our rooms and channels to notify against
channels = list(self.channels)
rooms = list(self.rooms)
while len(channels) > 0:
# Get Channel
channel = channels.pop(0)
if not self.send_notification(
{
'text': text,
'channel': channel,
}, notify_type=notify_type, **kwargs):
# toggle flag
has_error = True
if len(channels) + len(rooms) > 0:
# Prevent thrashing requests
self.throttle()
# Send all our defined room id's
while len(rooms):
# Get Room
room = rooms.pop(0)
if not self.send_notification(
{
'text': text,
'roomId': room,
}, notify_type=notify_type, **kwargs):
# toggle flag
has_error = True
if len(rooms) > 0:
# Prevent thrashing requests
self.throttle()
# logout
self.logout()
return not has_error
def send_notification(self, payload, notify_type, **kwargs):
"""
Perform Notify Rocket.Chat Notification
"""
self.logger.debug('Rocket.Chat POST URL: %s (cert_verify=%r)' % (
self.api_url + 'chat.postMessage', self.verify_certificate,
))
self.logger.debug('Rocket.Chat Payload: %s' % str(payload))
try:
r = requests.post(
self.api_url + 'chat.postMessage',
data=payload,
headers=self.headers,
verify=self.verify_certificate,
)
if r.status_code != requests.codes.ok:
# We had a problem
try:
self.logger.warning(
'Failed to send Rocket.Chat notification: ' +
'%s (error=%s).' % (
RC_HTTP_ERROR_MAP[r.status_code],
r.status_code))
except KeyError:
self.logger.warning(
'Failed to send Rocket.Chat notification ' +
'(error=%s).' % (
r.status_code))
# Return; we're done
return False
else:
self.logger.debug('Rocket.Chat Server Response: %s.' % r.text)
self.logger.info('Sent Rocket.Chat notification.')
except requests.RequestException as e:
self.logger.warning(
'A Connection error occured sending Rocket.Chat ' +
'notification.')
self.logger.debug('Socket Exception: %s' % str(e))
# Return; we're done
return False
return True
def login(self):
"""
login to our server
"""
payload = {
'username': self.user,
'password': self.password,
}
try:
r = requests.post(
self.api_url + 'login',
data=payload,
verify=self.verify_certificate,
)
if r.status_code != requests.codes.ok:
# We had a problem
try:
self.logger.warning(
'Failed to authenticate with Rocket.Chat server: ' +
'%s (error=%s).' % (
RC_HTTP_ERROR_MAP[r.status_code],
r.status_code))
except KeyError:
self.logger.warning(
'Failed to authenticate with Rocket.Chat server ' +
'(error=%s).' % (
r.status_code))
# Return; we're done
return False
else:
self.logger.debug('Rocket.Chat authentication successful')
response = loads(r.text)
if response.get('status') != "success":
self.logger.warning(
'Could not authenticate with Rocket.Chat server.')
return False
# Set our headers for further communication
self.headers['X-Auth-Token'] = response.get(
'data', {'authToken': None}).get('authToken')
self.headers['X-User-Id'] = response.get(
'data', {'userId': None}).get('userId')
except requests.RequestException as e:
self.logger.warning(
'A Connection error occured authenticating to the ' +
'Rocket.Chat server.')
self.logger.debug('Socket Exception: %s' % str(e))
return False
return True
def logout(self):
"""
logout of our server
"""
try:
r = requests.post(
self.api_url + 'logout',
headers=self.headers,
verify=self.verify_certificate,
)
if r.status_code != requests.codes.ok:
# We had a problem
try:
self.logger.warning(
'Failed to log off Rocket.Chat server: ' +
'%s (error=%s).' % (
RC_HTTP_ERROR_MAP[r.status_code],
r.status_code))
except KeyError:
self.logger.warning(
'Failed to log off Rocket.Chat server ' +
'(error=%s).' % (
r.status_code))
# Return; we're done
return False
else:
self.logger.debug(
'Rocket.Chat log off successful; response %s.' % (
r.text))
except requests.RequestException as e:
self.logger.warning(
'A Connection error occured logging off the ' +
'Rocket.Chat server')
self.logger.debug('Socket Exception: %s' % str(e))
return False
return True
@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
# Apply our settings now
results['recipients'] = NotifyBase.unquote(results['fullpath'])
return results