mirror of
https://github.com/morpheus65535/bazarr
synced 2024-12-28 10:38:26 +00:00
610 lines
22 KiB
Python
610 lines
22 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 os
|
|
import re
|
|
import six
|
|
import yaml
|
|
|
|
from .. import plugins
|
|
from ..AppriseAsset import AppriseAsset
|
|
from ..URLBase import URLBase
|
|
from ..common import ConfigFormat
|
|
from ..common import CONFIG_FORMATS
|
|
from ..utils import GET_SCHEMA_RE
|
|
from ..utils import parse_list
|
|
|
|
|
|
class ConfigBase(URLBase):
|
|
"""
|
|
This is the base class for all supported configuration sources
|
|
"""
|
|
|
|
# The Default Encoding to use if not otherwise detected
|
|
encoding = 'utf-8'
|
|
|
|
# The default expected configuration format unless otherwise
|
|
# detected by the sub-modules
|
|
default_config_format = ConfigFormat.TEXT
|
|
|
|
# This is only set if the user overrides the config format on the URL
|
|
# this should always initialize itself as None
|
|
config_format = None
|
|
|
|
# Don't read any more of this amount of data into memory as there is no
|
|
# reason we should be reading in more. This is more of a safe guard then
|
|
# anything else. 128KB (131072B)
|
|
max_buffer_size = 131072
|
|
|
|
def __init__(self, **kwargs):
|
|
"""
|
|
Initialize some general logging and common server arguments that will
|
|
keep things consistent when working with the configurations that
|
|
inherit this class.
|
|
|
|
"""
|
|
|
|
super(ConfigBase, self).__init__(**kwargs)
|
|
|
|
# Tracks previously loaded content for speed
|
|
self._cached_servers = None
|
|
|
|
if 'encoding' in kwargs:
|
|
# Store the encoding
|
|
self.encoding = kwargs.get('encoding')
|
|
|
|
if 'format' in kwargs:
|
|
# Store the enforced config format
|
|
self.config_format = kwargs.get('format').lower()
|
|
|
|
if self.config_format not in CONFIG_FORMATS:
|
|
# Simple error checking
|
|
err = 'An invalid config format ({}) was specified.'.format(
|
|
self.config_format)
|
|
self.logger.warning(err)
|
|
raise TypeError(err)
|
|
|
|
return
|
|
|
|
def servers(self, asset=None, cache=True, **kwargs):
|
|
"""
|
|
Performs reads loaded configuration and returns all of the services
|
|
that could be parsed and loaded.
|
|
|
|
"""
|
|
|
|
if cache is True and isinstance(self._cached_servers, list):
|
|
# We already have cached results to return; use them
|
|
return self._cached_servers
|
|
|
|
# Our response object
|
|
self._cached_servers = list()
|
|
|
|
# read() causes the child class to do whatever it takes for the
|
|
# config plugin to load the data source and return unparsed content
|
|
# None is returned if there was an error or simply no data
|
|
content = self.read(**kwargs)
|
|
if not isinstance(content, six.string_types):
|
|
# Nothing more to do
|
|
return list()
|
|
|
|
# Our Configuration format uses a default if one wasn't one detected
|
|
# or enfored.
|
|
config_format = \
|
|
self.default_config_format \
|
|
if self.config_format is None else self.config_format
|
|
|
|
# Dynamically load our parse_ function based on our config format
|
|
fn = getattr(ConfigBase, 'config_parse_{}'.format(config_format))
|
|
|
|
# Execute our config parse function which always returns a list
|
|
self._cached_servers.extend(fn(content=content, asset=asset))
|
|
|
|
if len(self._cached_servers):
|
|
self.logger.info('Loaded {} entries from {}'.format(
|
|
len(self._cached_servers), self.url()))
|
|
else:
|
|
self.logger.warning('Failed to load configuration from {}'.format(
|
|
self.url()))
|
|
|
|
return self._cached_servers
|
|
|
|
def read(self):
|
|
"""
|
|
This object should be implimented by the child classes
|
|
|
|
"""
|
|
return None
|
|
|
|
@staticmethod
|
|
def parse_url(url, verify_host=True):
|
|
"""Parses the URL and returns it broken apart into a dictionary.
|
|
|
|
This is very specific and customized for Apprise.
|
|
|
|
|
|
Args:
|
|
url (str): The URL you want to fully parse.
|
|
verify_host (:obj:`bool`, optional): a flag kept with the parsed
|
|
URL which some child classes will later use to verify SSL
|
|
keys (if SSL transactions take place). Unless under very
|
|
specific circumstances, it is strongly recomended that
|
|
you leave this default value set to True.
|
|
|
|
Returns:
|
|
A dictionary is returned containing the URL fully parsed if
|
|
successful, otherwise None is returned.
|
|
"""
|
|
|
|
results = URLBase.parse_url(url, verify_host=verify_host)
|
|
|
|
if not results:
|
|
# We're done; we failed to parse our url
|
|
return results
|
|
|
|
# Allow overriding the default config format
|
|
if 'format' in results['qsd']:
|
|
results['format'] = results['qsd'].get('format')
|
|
if results['format'] not in CONFIG_FORMATS:
|
|
URLBase.logger.warning(
|
|
'Unsupported format specified {}'.format(
|
|
results['format']))
|
|
del results['format']
|
|
|
|
# Defines the encoding of the payload
|
|
if 'encoding' in results['qsd']:
|
|
results['encoding'] = results['qsd'].get('encoding')
|
|
|
|
return results
|
|
|
|
@staticmethod
|
|
def config_parse_text(content, asset=None):
|
|
"""
|
|
Parse the specified content as though it were a simple text file only
|
|
containing a list of URLs. Return a list of loaded notification plugins
|
|
|
|
Optionally associate an asset with the notification.
|
|
|
|
The file syntax is:
|
|
|
|
#
|
|
# pound/hashtag allow for line comments
|
|
#
|
|
# One or more tags can be idenified using comma's (,) to separate
|
|
# them.
|
|
<Tag(s)>=<URL>
|
|
|
|
# Or you can use this format (no tags associated)
|
|
<URL>
|
|
|
|
"""
|
|
# For logging, track the line number
|
|
line = 0
|
|
|
|
response = list()
|
|
|
|
# Define what a valid line should look like
|
|
valid_line_re = re.compile(
|
|
r'^\s*(?P<line>([;#]+(?P<comment>.*))|'
|
|
r'(\s*(?P<tags>[^=]+)=|=)?\s*'
|
|
r'(?P<url>[a-z0-9]{2,9}://.*))?$', re.I)
|
|
|
|
try:
|
|
# split our content up to read line by line
|
|
content = re.split(r'\r*\n', content)
|
|
|
|
except TypeError:
|
|
# content was not expected string type
|
|
ConfigBase.logger.error('Invalid apprise text data specified')
|
|
return list()
|
|
|
|
for entry in content:
|
|
# Increment our line count
|
|
line += 1
|
|
|
|
result = valid_line_re.match(entry)
|
|
if not result:
|
|
# Invalid syntax
|
|
ConfigBase.logger.error(
|
|
'Invalid apprise text format found '
|
|
'{} on line {}.'.format(entry, line))
|
|
|
|
# Assume this is a file we shouldn't be parsing. It's owner
|
|
# can read the error printed to screen and take action
|
|
# otherwise.
|
|
return list()
|
|
|
|
if result.group('comment') or not result.group('line'):
|
|
# Comment/empty line; do nothing
|
|
continue
|
|
|
|
# Store our url read in
|
|
url = result.group('url')
|
|
|
|
# swap hash (#) tag values with their html version
|
|
_url = url.replace('/#', '/%23')
|
|
|
|
# Attempt to acquire the schema at the very least to allow our
|
|
# plugins to determine if they can make a better
|
|
# interpretation of a URL geared for them
|
|
schema = GET_SCHEMA_RE.match(_url)
|
|
|
|
# Ensure our schema is always in lower case
|
|
schema = schema.group('schema').lower()
|
|
|
|
# Some basic validation
|
|
if schema not in plugins.SCHEMA_MAP:
|
|
ConfigBase.logger.warning(
|
|
'Unsupported schema {} on line {}.'.format(
|
|
schema, line))
|
|
continue
|
|
|
|
# Parse our url details of the server object as dictionary
|
|
# containing all of the information parsed from our URL
|
|
results = plugins.SCHEMA_MAP[schema].parse_url(_url)
|
|
|
|
if results is None:
|
|
# Failed to parse the server URL
|
|
ConfigBase.logger.warning(
|
|
'Unparseable URL {} on line {}.'.format(url, line))
|
|
continue
|
|
|
|
# Build a list of tags to associate with the newly added
|
|
# notifications if any were set
|
|
results['tag'] = set(parse_list(result.group('tags')))
|
|
|
|
ConfigBase.logger.trace(
|
|
'URL {} unpacked as:{}{}'.format(
|
|
url, os.linesep, os.linesep.join(
|
|
['{}="{}"'.format(k, v) for k, v in results.items()])))
|
|
|
|
# Prepare our Asset Object
|
|
results['asset'] = \
|
|
asset if isinstance(asset, AppriseAsset) else AppriseAsset()
|
|
|
|
try:
|
|
# Attempt to create an instance of our plugin using the
|
|
# parsed URL information
|
|
plugin = plugins.SCHEMA_MAP[results['schema']](**results)
|
|
|
|
# Create log entry of loaded URL
|
|
ConfigBase.logger.debug('Loaded URL: {}'.format(plugin.url()))
|
|
|
|
except Exception as e:
|
|
# the arguments are invalid or can not be used.
|
|
ConfigBase.logger.warning(
|
|
'Could not load URL {} on line {}.'.format(
|
|
url, line))
|
|
ConfigBase.logger.debug('Loading Exception: %s' % str(e))
|
|
continue
|
|
|
|
# if we reach here, we successfully loaded our data
|
|
response.append(plugin)
|
|
|
|
# Return what was loaded
|
|
return response
|
|
|
|
@staticmethod
|
|
def config_parse_yaml(content, asset=None):
|
|
"""
|
|
Parse the specified content as though it were a yaml file
|
|
specifically formatted for apprise. Return a list of loaded
|
|
notification plugins.
|
|
|
|
Optionally associate an asset with the notification.
|
|
|
|
"""
|
|
response = list()
|
|
|
|
try:
|
|
# Load our data (safely)
|
|
result = yaml.load(content, Loader=yaml.SafeLoader)
|
|
|
|
except (AttributeError, yaml.error.MarkedYAMLError) as e:
|
|
# Invalid content
|
|
ConfigBase.logger.error(
|
|
'Invalid apprise yaml data specified.')
|
|
ConfigBase.logger.debug(
|
|
'YAML Exception:{}{}'.format(os.linesep, e))
|
|
return list()
|
|
|
|
if not isinstance(result, dict):
|
|
# Invalid content
|
|
ConfigBase.logger.error('Invalid apprise yaml structure specified')
|
|
return list()
|
|
|
|
# YAML Version
|
|
version = result.get('version', 1)
|
|
if version != 1:
|
|
# Invalid syntax
|
|
ConfigBase.logger.error(
|
|
'Invalid apprise yaml version specified {}.'.format(version))
|
|
return list()
|
|
|
|
#
|
|
# global asset object
|
|
#
|
|
asset = asset if isinstance(asset, AppriseAsset) else AppriseAsset()
|
|
tokens = result.get('asset', None)
|
|
if tokens and isinstance(tokens, dict):
|
|
for k, v in tokens.items():
|
|
|
|
if k.startswith('_') or k.endswith('_'):
|
|
# Entries are considered reserved if they start or end
|
|
# with an underscore
|
|
ConfigBase.logger.warning(
|
|
'Ignored asset key "{}".'.format(k))
|
|
continue
|
|
|
|
if not (hasattr(asset, k) and
|
|
isinstance(getattr(asset, k), six.string_types)):
|
|
# We can't set a function or non-string set value
|
|
ConfigBase.logger.warning(
|
|
'Invalid asset key "{}".'.format(k))
|
|
continue
|
|
|
|
if v is None:
|
|
# Convert to an empty string
|
|
v = ''
|
|
|
|
if not isinstance(v, six.string_types):
|
|
# we must set strings with a string
|
|
ConfigBase.logger.warning(
|
|
'Invalid asset value to "{}".'.format(k))
|
|
continue
|
|
|
|
# Set our asset object with the new value
|
|
setattr(asset, k, v.strip())
|
|
|
|
#
|
|
# global tag root directive
|
|
#
|
|
global_tags = set()
|
|
|
|
tags = result.get('tag', None)
|
|
if tags and isinstance(tags, (list, tuple, six.string_types)):
|
|
# Store any preset tags
|
|
global_tags = set(parse_list(tags))
|
|
|
|
#
|
|
# urls root directive
|
|
#
|
|
urls = result.get('urls', None)
|
|
if not isinstance(urls, (list, tuple)):
|
|
# Unsupported
|
|
ConfigBase.logger.error(
|
|
'Missing "urls" directive in apprise yaml.')
|
|
return list()
|
|
|
|
# Iterate over each URL
|
|
for no, url in enumerate(urls):
|
|
|
|
# Our results object is what we use to instantiate our object if
|
|
# we can. Reset it to None on each iteration
|
|
results = list()
|
|
|
|
if isinstance(url, six.string_types):
|
|
# We're just a simple URL string
|
|
|
|
# swap hash (#) tag values with their html version
|
|
_url = url.replace('/#', '/%23')
|
|
|
|
# Attempt to acquire the schema at the very least to allow our
|
|
# plugins to determine if they can make a better
|
|
# interpretation of a URL geared for them
|
|
schema = GET_SCHEMA_RE.match(_url)
|
|
if schema is None:
|
|
ConfigBase.logger.warning(
|
|
'Unsupported schema in urls entry #{}'.format(no + 1))
|
|
continue
|
|
|
|
# Ensure our schema is always in lower case
|
|
schema = schema.group('schema').lower()
|
|
|
|
# Some basic validation
|
|
if schema not in plugins.SCHEMA_MAP:
|
|
ConfigBase.logger.warning(
|
|
'Unsupported schema {} in urls entry #{}'.format(
|
|
schema, no + 1))
|
|
continue
|
|
|
|
# Parse our url details of the server object as dictionary
|
|
# containing all of the information parsed from our URL
|
|
_results = plugins.SCHEMA_MAP[schema].parse_url(_url)
|
|
if _results is None:
|
|
ConfigBase.logger.warning(
|
|
'Unparseable {} based url; entry #{}'.format(
|
|
schema, no + 1))
|
|
continue
|
|
|
|
# add our results to our global set
|
|
results.append(_results)
|
|
|
|
elif isinstance(url, dict):
|
|
# We are a url string with additional unescaped options
|
|
if six.PY2:
|
|
_url, tokens = next(url.iteritems())
|
|
else: # six.PY3
|
|
_url, tokens = next(iter(url.items()))
|
|
|
|
# swap hash (#) tag values with their html version
|
|
_url = _url.replace('/#', '/%23')
|
|
|
|
# Get our schema
|
|
schema = GET_SCHEMA_RE.match(_url)
|
|
if schema is None:
|
|
ConfigBase.logger.warning(
|
|
'Unsupported schema in urls entry #{}'.format(no + 1))
|
|
continue
|
|
|
|
# Ensure our schema is always in lower case
|
|
schema = schema.group('schema').lower()
|
|
|
|
# Some basic validation
|
|
if schema not in plugins.SCHEMA_MAP:
|
|
ConfigBase.logger.warning(
|
|
'Unsupported schema {} in urls entry #{}'.format(
|
|
schema, no + 1))
|
|
continue
|
|
|
|
# Parse our url details of the server object as dictionary
|
|
# containing all of the information parsed from our URL
|
|
_results = plugins.SCHEMA_MAP[schema].parse_url(_url)
|
|
if _results is None:
|
|
# Setup dictionary
|
|
_results = {
|
|
# Minimum requirements
|
|
'schema': schema,
|
|
}
|
|
|
|
if tokens is not None:
|
|
# populate and/or override any results populated by
|
|
# parse_url()
|
|
for entries in tokens:
|
|
# Copy ourselves a template of our parsed URL as a base
|
|
# to work with
|
|
r = _results.copy()
|
|
|
|
# We are a url string with additional unescaped options
|
|
if isinstance(entries, dict):
|
|
if six.PY2:
|
|
_url, tokens = next(url.iteritems())
|
|
else: # six.PY3
|
|
_url, tokens = next(iter(url.items()))
|
|
|
|
# Tags you just can't over-ride
|
|
if 'schema' in entries:
|
|
del entries['schema']
|
|
|
|
# Extend our dictionary with our new entries
|
|
r.update(entries)
|
|
|
|
# add our results to our global set
|
|
results.append(r)
|
|
|
|
else:
|
|
# add our results to our global set
|
|
results.append(_results)
|
|
|
|
else:
|
|
# Unsupported
|
|
ConfigBase.logger.warning(
|
|
'Unsupported apprise yaml entry #{}'.format(no + 1))
|
|
continue
|
|
|
|
# Track our entries
|
|
entry = 0
|
|
|
|
while len(results):
|
|
# Increment our entry count
|
|
entry += 1
|
|
|
|
# Grab our first item
|
|
_results = results.pop(0)
|
|
|
|
# tag is a special keyword that is managed by apprise object.
|
|
# The below ensures our tags are set correctly
|
|
if 'tag' in _results:
|
|
# Tidy our list up
|
|
_results['tag'] = \
|
|
set(parse_list(_results['tag'])) | global_tags
|
|
|
|
else:
|
|
# Just use the global settings
|
|
_results['tag'] = global_tags
|
|
|
|
ConfigBase.logger.trace(
|
|
'URL #{}: {} unpacked as:{}{}'
|
|
.format(no + 1, url, os.linesep, os.linesep.join(
|
|
['{}="{}"'.format(k, a)
|
|
for k, a in _results.items()])))
|
|
|
|
# Prepare our Asset Object
|
|
_results['asset'] = asset
|
|
|
|
try:
|
|
# Attempt to create an instance of our plugin using the
|
|
# parsed URL information
|
|
plugin = plugins.SCHEMA_MAP[_results['schema']](**_results)
|
|
|
|
# Create log entry of loaded URL
|
|
ConfigBase.logger.debug(
|
|
'Loaded URL: {}'.format(plugin.url()))
|
|
|
|
except Exception:
|
|
# the arguments are invalid or can not be used.
|
|
ConfigBase.logger.warning(
|
|
'Could not load apprise yaml entry #{}, item #{}'
|
|
.format(no + 1, entry))
|
|
continue
|
|
|
|
# if we reach here, we successfully loaded our data
|
|
response.append(plugin)
|
|
|
|
return response
|
|
|
|
def pop(self, index):
|
|
"""
|
|
Removes an indexed Notification Service from the stack and
|
|
returns it.
|
|
"""
|
|
|
|
if not isinstance(self._cached_servers, list):
|
|
# Generate ourselves a list of content we can pull from
|
|
self.servers(cache=True)
|
|
|
|
# Pop the element off of the stack
|
|
return self._cached_servers.pop(index)
|
|
|
|
def __getitem__(self, index):
|
|
"""
|
|
Returns the indexed server entry associated with the loaded
|
|
notification servers
|
|
"""
|
|
if not isinstance(self._cached_servers, list):
|
|
# Generate ourselves a list of content we can pull from
|
|
self.servers(cache=True)
|
|
|
|
return self._cached_servers[index]
|
|
|
|
def __iter__(self):
|
|
"""
|
|
Returns an iterator to our server list
|
|
"""
|
|
if not isinstance(self._cached_servers, list):
|
|
# Generate ourselves a list of content we can pull from
|
|
self.servers(cache=True)
|
|
|
|
return iter(self._cached_servers)
|
|
|
|
def __len__(self):
|
|
"""
|
|
Returns the total number of servers loaded
|
|
"""
|
|
if not isinstance(self._cached_servers, list):
|
|
# Generate ourselves a list of content we can pull from
|
|
self.servers(cache=True)
|
|
|
|
return len(self._cached_servers)
|