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bazarr/libs/apprise/plugins/NotifyZulip.py

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# -*- 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.
# To use this plugin, you must have a ZulipChat bot defined; See here:
# https://zulipchat.com/help/add-a-bot-or-integration
#
# At the time of writing this plugin the instructions were:
# 1. From your desktop, click on the gear icon in the upper right corner.
# 2. Select Settings.
# 3. On the left, click Your bots.
# 4. Click Add a new bot.
# 5. Fill out the fields, and click Create bot.
# If you know your organization {ID} (as it's part of the zulipchat.com url
# after you signup, then you can also access your bot information by visting:
# https://ID.zulipchat.com/#settings/your-bots
# For example, I create an organization called apprise. Thus my URL would be
# https://apprise.zulipchat.com/#settings/your-bots
# When you're done and have a bot, it's important to remember the username
# you provided the bot and the API key generated.
#
# If your {user} was : goober-bot@apprise.zulipchat.com
# and your {apikey} was: lqn6mpwpam6VZzbCW0o7olmk3hwbQSK
#
# Then the following URLs would be accepted by Apprise:
# - zulip://goober-bot@apprise.zulipchat.com/lqn6mpwpam6VZzbCW0o7olmk3hwbQSK
# - zulip://goober-bot@apprise/lqn6mpwpam6VZzbCW0o7olmk3hwbQSK
# - zulip://goober@apprise/lqn6mpwpam6VZzbCW0o7olmk3hwbQSK
# - zulip://goober@apprise.zulipchat.com/lqn6mpwpam6VZzbCW0o7olmk3hwbQSK
# The API reference used to build this plugin was documented here:
# https://zulipchat.com/api/send-message
#
import re
import requests
from .NotifyBase import NotifyBase
from ..common import NotifyType
from ..utils import parse_list
from ..utils import validate_regex
from ..utils import GET_EMAIL_RE
from ..AppriseLocale import gettext_lazy as _
# A Valid Bot Name
VALIDATE_BOTNAME = re.compile(r'(?P<name>[A-Z0-9_]{1,32})(-bot)?', re.I)
# Organization required as part of the API request
VALIDATE_ORG = re.compile(
r'(?P<org>[A-Z0-9_-]{1,32})(\.(?P<hostname>[^\s]+))?', re.I)
# Extend HTTP Error Messages
ZULIP_HTTP_ERROR_MAP = {
401: 'Unauthorized - Invalid Token.',
}
# Used to break path apart into list of channels
TARGET_LIST_DELIM = re.compile(r'[ \t\r\n,#\\/]+')
# Used to detect a channel
IS_VALID_TARGET_RE = re.compile(
r'#?(?P<channel>[A-Z0-9_]{1,32})', re.I)
class NotifyZulip(NotifyBase):
"""
A wrapper for Zulip Notifications
"""
# The default descriptive name associated with the Notification
service_name = 'Zulip'
# The services URL
service_url = 'https://zulipchat.com/'
# The default secure protocol
secure_protocol = 'zulip'
# A URL that takes you to the setup/help of the specific protocol
setup_url = 'https://github.com/caronc/apprise/wiki/Notify_zulip'
# Zulip uses the http protocol with JSON requests
notify_url = 'https://{org}.{hostname}/api/v1/messages'
# The maximum allowable characters allowed in the title per message
title_maxlen = 60
# The maximum allowable characters allowed in the body per message
body_maxlen = 10000
# Define object templates
templates = (
'{schema}://{botname}@{organization}/{token}',
'{schema}://{botname}@{organization}/{token}/{targets}',
)
# Define our template tokens
template_tokens = dict(NotifyBase.template_tokens, **{
'botname': {
'name': _('Bot Name'),
'type': 'string',
'regex': (r'^[A-Z0-9_]{1,32}(-bot)?$', 'i'),
},
'organization': {
'name': _('Organization'),
'type': 'string',
'required': True,
'regex': (r'^[A-Z0-9_-]{1,32})$', 'i')
},
'token': {
'name': _('Token'),
'type': 'string',
'required': True,
'private': True,
'regex': (r'^[A-Z0-9]{32}$', 'i'),
},
'target_user': {
'name': _('Target User'),
'type': 'string',
'map_to': 'targets',
},
'target_channel': {
'name': _('Target Channel'),
'type': 'string',
'map_to': 'targets',
},
'targets': {
'name': _('Targets'),
'type': 'list:string',
},
})
# Define our template arguments
template_args = dict(NotifyBase.template_args, **{
'to': {
'alias_of': 'targets',
},
})
# The default hostname to append to a defined organization
# if one isn't defined in the apprise url
default_hostname = 'zulipchat.com'
# The default channel to notify if no targets are specified
default_notification_channel = 'general'
def __init__(self, botname, organization, token, targets=None, **kwargs):
"""
Initialize Zulip Object
"""
super(NotifyZulip, self).__init__(**kwargs)
# our default hostname
self.hostname = self.default_hostname
try:
match = VALIDATE_BOTNAME.match(botname.strip())
if not match:
# let outer exception handle this
raise TypeError
# The botname
self.botname = match.group('name')
except (TypeError, AttributeError):
msg = 'The Zulip botname specified ({}) is invalid.'\
.format(botname)
self.logger.warning(msg)
raise TypeError(msg)
try:
match = VALIDATE_ORG.match(organization.strip())
if not match:
# let outer exception handle this
raise TypeError
# The organization
self.organization = match.group('org')
if match.group('hostname'):
self.hostname = match.group('hostname')
except (TypeError, AttributeError):
msg = 'The Zulip organization specified ({}) is invalid.'\
.format(organization)
self.logger.warning(msg)
raise TypeError(msg)
self.token = validate_regex(
token, *self.template_tokens['token']['regex'])
if not self.token:
msg = 'The Zulip token specified ({}) is invalid.'\
.format(token)
self.logger.warning(msg)
raise TypeError(msg)
self.targets = parse_list(targets)
if len(self.targets) == 0:
# No channels identified, use default
self.targets.append(self.default_notification_channel)
def send(self, body, title='', notify_type=NotifyType.INFO, **kwargs):
"""
Perform Zulip Notification
"""
headers = {
'User-Agent': self.app_id,
'Content-Type': 'application/x-www-form-urlencoded; charset=utf-8',
}
# error tracking (used for function return)
has_error = False
# Prepare our notification URL
url = self.notify_url.format(
org=self.organization,
hostname=self.hostname,
)
# prepare JSON Object
payload = {
'subject': title,
'content': body,
}
# Determine Authentication
auth = (
'{botname}-bot@{org}.{hostname}'.format(
botname=self.botname,
org=self.organization,
hostname=self.hostname,
),
self.token,
)
# Create a copy of the target list
targets = list(self.targets)
while len(targets):
target = targets.pop(0)
if GET_EMAIL_RE.match(target):
# Send a private message
payload['type'] = 'private'
else:
# Send a stream message
payload['type'] = 'stream'
# Set our target
payload['to'] = target
self.logger.debug('Zulip POST URL: %s (cert_verify=%r)' % (
url, self.verify_certificate,
))
self.logger.debug('Zulip Payload: %s' % str(payload))
# Always call throttle before any remote server i/o is made
self.throttle()
try:
r = requests.post(
url,
data=payload,
headers=headers,
auth=auth,
verify=self.verify_certificate,
)
if r.status_code != requests.codes.ok:
# We had a problem
status_str = \
NotifyZulip.http_response_code_lookup(
r.status_code, ZULIP_HTTP_ERROR_MAP)
self.logger.warning(
'Failed to send Zulip notification to {}: '
'{}{}error={}.'.format(
target,
status_str,
', ' if status_str else '',
r.status_code))
self.logger.debug(
'Response Details:\r\n{}'.format(r.content))
# Mark our failure
has_error = True
continue
else:
self.logger.info(
'Sent Zulip notification to {}.'.format(target))
except requests.RequestException as e:
self.logger.warning(
'A Connection error occured sending Zulip '
'notification to {}.'.format(target))
self.logger.debug('Socket Exception: %s' % str(e))
# Mark our failure
has_error = True
continue
return not has_error
def url(self, privacy=False, *args, **kwargs):
"""
Returns the URL built dynamically based on specified arguments.
"""
# Define any arguments set
args = {
'format': self.notify_format,
'overflow': self.overflow_mode,
'verify': 'yes' if self.verify_certificate else 'no',
}
# simplify our organization in our URL if we can
organization = '{}{}'.format(
self.organization,
'.{}'.format(self.hostname)
if self.hostname != self.default_hostname else '')
return '{schema}://{botname}@{org}/{token}/' \
'{targets}?{args}'.format(
schema=self.secure_protocol,
botname=NotifyZulip.quote(self.botname, safe=''),
org=NotifyZulip.quote(organization, safe=''),
token=self.pprint(self.token, privacy, safe=''),
targets='/'.join(
[NotifyZulip.quote(x, safe='') for x in self.targets]),
args=NotifyZulip.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
# The botname
results['botname'] = NotifyZulip.unquote(results['user'])
# The first token is stored in the hostname
results['organization'] = NotifyZulip.unquote(results['host'])
# Now fetch the remaining tokens
try:
results['token'] = \
NotifyZulip.split_path(results['fullpath'])[0]
except IndexError:
# no token
results['token'] = None
# Get unquoted entries
results['targets'] = NotifyZulip.split_path(results['fullpath'])[1:]
# 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, TARGET_LIST_DELIM.split(
NotifyZulip.unquote(results['qsd']['to'])))]
return results
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