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bazarr/libs/apprise/plugins/NotifyNextcloud.py
2020-09-14 08:24:26 -04:00

293 lines
9.4 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 CON
import requests
from .NotifyBase import NotifyBase
from ..URLBase import PrivacyMode
from ..common import NotifyType
from ..utils import parse_list
from ..AppriseLocale import gettext_lazy as _
class NotifyNextcloud(NotifyBase):
"""
A wrapper for Nextcloud Notifications
"""
# The default descriptive name associated with the Notification
service_name = 'Nextcloud'
# The services URL
service_url = 'https://nextcloud.com/'
# Insecure protocol (for those self hosted requests)
protocol = 'ncloud'
# The default protocol (this is secure for notica)
secure_protocol = 'nclouds'
# A URL that takes you to the setup/help of the specific protocol
setup_url = 'https://github.com/caronc/apprise/wiki/Notify_nextcloud'
# Nextcloud URL
notify_url = '{schema}://{host}/ocs/v2.php/apps/admin_notifications/' \
'api/v1/notifications/{target}'
# Nextcloud does not support a title
title_maxlen = 255
# Defines the maximum allowable characters per message.
body_maxlen = 4000
# Define object templates
templates = (
'{schema}://{user}:{password}@{host}/{targets}',
'{schema}://{user}:{password}@{host}:{port}/{targets}',
)
# Define our template tokens
template_tokens = dict(NotifyBase.template_tokens, **{
'host': {
'name': _('Hostname'),
'type': 'string',
'required': True,
},
'port': {
'name': _('Port'),
'type': 'int',
'min': 1,
'max': 65535,
},
'user': {
'name': _('Username'),
'type': 'string',
},
'password': {
'name': _('Password'),
'type': 'string',
'private': True,
},
'target_user': {
'name': _('Target User'),
'type': 'string',
'map_to': 'targets',
},
'targets': {
'name': _('Targets'),
'type': 'list:string',
'required': True,
},
})
# Define any kwargs we're using
template_kwargs = {
'headers': {
'name': _('HTTP Header'),
'prefix': '+',
},
}
def __init__(self, targets=None, headers=None, **kwargs):
"""
Initialize Nextcloud Object
"""
super(NotifyNextcloud, self).__init__(**kwargs)
self.targets = parse_list(targets)
if len(self.targets) == 0:
msg = 'At least one Nextcloud target user must be specified.'
self.logger.warning(msg)
raise TypeError(msg)
self.headers = {}
if headers:
# Store our extra headers
self.headers.update(headers)
return
def send(self, body, title='', notify_type=NotifyType.INFO, **kwargs):
"""
Perform Nextcloud Notification
"""
# Prepare our Header
headers = {
'User-Agent': self.app_id,
'OCS-APIREQUEST': 'true',
}
# Apply any/all header over-rides defined
headers.update(self.headers)
# error tracking (used for function return)
has_error = False
# Create a copy of the targets list
targets = list(self.targets)
while len(targets):
target = targets.pop(0)
# Prepare our Payload
payload = {
'shortMessage': title if title else self.app_desc,
}
if body:
# Only store the longMessage if a body was defined; nextcloud
# doesn't take kindly to empty longMessage entries.
payload['longMessage'] = body
auth = None
if self.user:
auth = (self.user, self.password)
notify_url = self.notify_url.format(
schema='https' if self.secure else 'http',
host=self.host if not isinstance(self.port, int)
else '{}:{}'.format(self.host, self.port),
target=target,
)
self.logger.debug('Nextcloud POST URL: %s (cert_verify=%r)' % (
notify_url, self.verify_certificate,
))
self.logger.debug('Nextcloud Payload: %s' % str(payload))
# Always call throttle before any remote server i/o is made
self.throttle()
try:
r = requests.post(
notify_url,
data=payload,
headers=headers,
auth=auth,
verify=self.verify_certificate,
timeout=self.request_timeout,
)
if r.status_code != requests.codes.ok:
# We had a problem
status_str = \
NotifyNextcloud.http_response_code_lookup(
r.status_code)
self.logger.warning(
'Failed to send Nextcloud notification:'
'{}{}error={}.'.format(
status_str,
', ' if status_str else '',
r.status_code))
self.logger.debug(
'Response Details:\r\n{}'.format(r.content))
# track our failure
has_error = True
continue
else:
self.logger.info('Sent Nextcloud notification.')
except requests.RequestException as e:
self.logger.warning(
'A Connection error occurred sending Nextcloud '
'notification.',
)
self.logger.debug('Socket Exception: %s' % str(e))
# track 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.
"""
# Create URL parameters from our headers
params = {'+{}'.format(k): v for k, v in self.headers.items()}
# Our URL parameters
params = self.url_parameters(privacy=privacy, *args, **kwargs)
# Determine Authentication
auth = ''
if self.user and self.password:
auth = '{user}:{password}@'.format(
user=NotifyNextcloud.quote(self.user, safe=''),
password=self.pprint(
self.password, privacy, mode=PrivacyMode.Secret, safe=''),
)
elif self.user:
auth = '{user}@'.format(
user=NotifyNextcloud.quote(self.user, safe=''),
)
default_port = 443 if self.secure else 80
return '{schema}://{auth}{hostname}{port}/{targets}?{params}' \
.format(
schema=self.secure_protocol
if self.secure else self.protocol,
auth=auth,
# never encode hostname since we're expecting it to be a
# valid one
hostname=self.host,
port='' if self.port is None or self.port == default_port
else ':{}'.format(self.port),
targets='/'.join([NotifyNextcloud.quote(x)
for x in self.targets]),
params=NotifyNextcloud.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)
if not results:
# We're done early as we couldn't load the results
return results
# Fetch our targets
results['targets'] = \
NotifyNextcloud.split_path(results['fullpath'])
# The 'to' makes it easier to use yaml configuration
if 'to' in results['qsd'] and len(results['qsd']['to']):
results['targets'] += \
NotifyNextcloud.parse_list(results['qsd']['to'])
# Add our headers that the user can potentially over-ride if they
# wish to to our returned result set
results['headers'] = results['qsd-']
results['headers'].update(results['qsd+'])
return results