mirror of https://github.com/morpheus65535/bazarr
502 lines
18 KiB
Python
502 lines
18 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2019 Chris Caron <lead2gold@gmail.com>
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# All rights reserved.
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#
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# This code is licensed under the MIT License.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files(the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions :
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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import os
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import six
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import re
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import copy
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from os.path import dirname
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from os.path import abspath
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# Used for testing
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from . import NotifyEmail as NotifyEmailBase
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from .NotifyXMPP import SleekXmppAdapter
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# NotifyBase object is passed in as a module not class
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from . import NotifyBase
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from ..common import NotifyImageSize
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from ..common import NOTIFY_IMAGE_SIZES
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from ..common import NotifyType
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from ..common import NOTIFY_TYPES
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from ..utils import parse_list
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from ..utils import GET_SCHEMA_RE
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from ..logger import logger
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from ..AppriseLocale import gettext_lazy as _
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from ..AppriseLocale import LazyTranslation
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# Maintains a mapping of all of the Notification services
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SCHEMA_MAP = {}
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__all__ = [
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# Reference
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'NotifyImageSize', 'NOTIFY_IMAGE_SIZES', 'NotifyType', 'NOTIFY_TYPES',
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'NotifyBase',
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# NotifyEmail Base Module (used for NotifyEmail testing)
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'NotifyEmailBase',
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# Tokenizer
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'url_to_dict',
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# sleekxmpp access points (used for NotifyXMPP Testing)
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'SleekXmppAdapter',
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]
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# we mirror our base purely for the ability to reset everything; this
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# is generally only used in testing and should not be used by developers
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MODULE_MAP = {}
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# Load our Lookup Matrix
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def __load_matrix(path=abspath(dirname(__file__)), name='apprise.plugins'):
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"""
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Dynamically load our schema map; this allows us to gracefully
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skip over modules we simply don't have the dependencies for.
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"""
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# Used for the detection of additional Notify Services objects
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# The .py extension is optional as we support loading directories too
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module_re = re.compile(r'^(?P<name>Notify[a-z0-9]+)(\.py)?$', re.I)
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for f in os.listdir(path):
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match = module_re.match(f)
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if not match:
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# keep going
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continue
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# Store our notification/plugin name:
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plugin_name = match.group('name')
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try:
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module = __import__(
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'{}.{}'.format(name, plugin_name),
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globals(), locals(),
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fromlist=[plugin_name])
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except ImportError:
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# No problem, we can't use this object
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continue
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if not hasattr(module, plugin_name):
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# Not a library we can load as it doesn't follow the simple rule
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# that the class must bear the same name as the notification
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# file itself.
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continue
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# Get our plugin
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plugin = getattr(module, plugin_name)
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if not hasattr(plugin, 'app_id'):
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# Filter out non-notification modules
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continue
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elif plugin_name in MODULE_MAP:
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# we're already handling this object
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continue
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# Add our plugin name to our module map
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MODULE_MAP[plugin_name] = {
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'plugin': plugin,
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'module': module,
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}
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# Add our module name to our __all__
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__all__.append(plugin_name)
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# Load our module into memory so it's accessible to all
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globals()[plugin_name] = plugin
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fn = getattr(plugin, 'schemas', None)
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try:
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schemas = set([]) if not callable(fn) else fn(plugin)
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except TypeError:
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# Python v2.x support where functions associated with classes
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# were considered bound to them and could not be called prior
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# to the classes initialization. This code can be dropped
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# once Python v2.x support is dropped. The below code introduces
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# replication as it already exists and is tested in
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# URLBase.schemas()
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schemas = set([])
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for key in ('protocol', 'secure_protocol'):
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schema = getattr(plugin, key, None)
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if isinstance(schema, six.string_types):
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schemas.add(schema)
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elif isinstance(schema, (set, list, tuple)):
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# Support iterables list types
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for s in schema:
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if isinstance(s, six.string_types):
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schemas.add(s)
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# map our schema to our plugin
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for schema in schemas:
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if schema in SCHEMA_MAP:
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logger.error(
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"Notification schema ({}) mismatch detected - {} to {}"
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.format(schema, SCHEMA_MAP[schema], plugin))
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continue
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# Assign plugin
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SCHEMA_MAP[schema] = plugin
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return SCHEMA_MAP
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# Reset our Lookup Matrix
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def __reset_matrix():
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"""
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Restores the Lookup matrix to it's base setting. This is only used through
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testing and should not be directly called.
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"""
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# Reset our schema map
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SCHEMA_MAP.clear()
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# Iterate over our module map so we can clear out our __all__ and globals
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for plugin_name in MODULE_MAP.keys():
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# Clear out globals
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del globals()[plugin_name]
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# Remove element from plugins
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__all__.remove(plugin_name)
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# Clear out our module map
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MODULE_MAP.clear()
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# Dynamically build our schema base
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__load_matrix()
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def _sanitize_token(tokens, default_delimiter):
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"""
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This is called by the details() function and santizes the output by
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populating expected and consistent arguments if they weren't otherwise
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specified.
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"""
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# Iterate over our tokens
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for key in tokens.keys():
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for element in tokens[key].keys():
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# Perform translations (if detected to do so)
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if isinstance(tokens[key][element], LazyTranslation):
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tokens[key][element] = str(tokens[key][element])
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if 'alias_of' in tokens[key]:
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# Do not touch this field
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continue
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if 'map_to' not in tokens[key]:
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# Default type to key
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tokens[key]['map_to'] = key
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if 'type' not in tokens[key]:
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# Default type to string
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tokens[key]['type'] = 'string'
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elif tokens[key]['type'].startswith('list') \
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and 'delim' not in tokens[key]:
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# Default list delimiter (if not otherwise specified)
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tokens[key]['delim'] = default_delimiter
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elif tokens[key]['type'].startswith('choice') \
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and 'default' not in tokens[key] \
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and 'values' in tokens[key] \
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and len(tokens[key]['values']) == 1:
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# If there is only one choice; then make it the default
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# - support dictionaries too
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tokens[key]['default'] = tokens[key]['values'][0] \
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if not isinstance(tokens[key]['values'], dict) \
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else next(iter(tokens[key]['values']))
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if 'values' in tokens[key] and isinstance(tokens[key]['values'], dict):
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# Convert values into a list if it was defined as a dictionary
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tokens[key]['values'] = [k for k in tokens[key]['values'].keys()]
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if 'regex' in tokens[key]:
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# Verify that we are a tuple; convert strings to tuples
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if isinstance(tokens[key]['regex'], six.string_types):
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# Default tuple setup
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tokens[key]['regex'] = \
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(tokens[key]['regex'], None)
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elif not isinstance(tokens[key]['regex'], (list, tuple)):
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# Invalid regex
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del tokens[key]['regex']
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if 'required' not in tokens[key]:
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# Default required is False
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tokens[key]['required'] = False
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if 'private' not in tokens[key]:
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# Private flag defaults to False if not set
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tokens[key]['private'] = False
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return
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def details(plugin):
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"""
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Provides templates that can be used by developers to build URLs
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dynamically.
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If a list of templates is provided, then they will be used over
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the default value.
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If a list of tokens are provided, then they will over-ride any
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additional settings built from this script and/or will be appended
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to them afterwards.
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"""
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# Our unique list of parsing will be based on the provided templates
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# if none are provided we will use our own
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templates = tuple(plugin.templates)
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# The syntax is simple
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# {
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# # The token_name must tie back to an entry found in the
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# # templates list.
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# 'token_name': {
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#
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# # types can be 'string', 'int', 'choice', 'list, 'float'
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# # both choice and list may additionally have a : identify
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# # what the list/choice type is comprised of; the default
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# # is string.
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# 'type': 'choice:string',
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#
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# # values will only exist the type must be a fixed
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# # list of inputs (generated from type choice for example)
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#
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# # If this is a choice:bool then you should ALWAYS define
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# # this list as a (True, False) such as ('Yes, 'No') or
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# # ('Enabled', 'Disabled'), etc
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# 'values': [ 'http', 'https' ],
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#
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# # Identifies if the entry specified is required or not
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# 'required': True,
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#
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# # Identify a default value
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# 'default': 'http',
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#
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# # Optional Verification Entries min and max are for floats
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# # and/or integers
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# 'min': 4,
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# 'max': 5,
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#
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# # A list will always identify a delimiter. If this is
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# # part of a path, this may be a '/', or it could be a
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# # comma and/or space. delimiters are always in a list
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# # eg (if space and/or comma is a delimiter the entry
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# # would look like: 'delim': [',' , ' ' ]
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# 'delim': None,
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#
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# # Use regex if you want to share the regular expression
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# # required to validate the field. The regex will never
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# # accomodate the prefix (if one is specified). That is
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# # up to the user building the URLs to include the prefix
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# # on the URL when constructing it.
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# # The format is ('regex', 'reg options')
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# 'regex': (r'[A-Z0-9]+', 'i'),
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#
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# # A Prefix is always a string, to differentiate between
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# # multiple arguments, sometimes content is prefixed.
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# 'prefix': '@',
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#
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# # By default the key of this object is to be interpreted
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# # as the argument to the notification in question. However
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# # To accomodate cases where there are multiple types that
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# # all map to the same entry, one can find a map_to value.
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# 'map_to': 'function_arg',
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#
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# # Some arguments act as an alias_of an already defined object
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# # This plays a role more with configuration file generation
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# # since yaml files allow you to define different argumuments
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# # in line to simplify things. If this directive is set, then
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# # it should be treated exactly the same as the object it is
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# # an alias of
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# 'alias_of': 'function_arg',
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#
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# # Advise developers to consider the potential sensitivity
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# # of this field owned by the user. This is for passwords,
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# # and api keys, etc...
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# 'private': False,
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# },
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# }
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# Template tokens identify the arguments required to initialize the
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# plugin itself. It identifies all of the tokens and provides some
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# details on their use. Each token defined should in some way map
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# back to at least one URL {token} defined in the templates
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# Since we nest a dictionary within a dictionary, a simple copy isn't
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# enough. a deepcopy allows us to manipulate this object in this
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# funtion without obstructing the original.
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template_tokens = copy.deepcopy(plugin.template_tokens)
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# Arguments and/or Options either have a default value and/or are
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# optional to be set.
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#
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# Since we nest a dictionary within a dictionary, a simple copy isn't
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# enough. a deepcopy allows us to manipulate this object in this
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# funtion without obstructing the original.
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template_args = copy.deepcopy(plugin.template_args)
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# Our template keyword arguments ?+key=value&-key=value
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# Basically the user provides both the key and the value. this is only
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# possibly by identifying the key prefix required for them to be
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# interpreted hence the +/- keys are built into apprise by default for easy
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# reference. In these cases, entry might look like '+' being the prefix:
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# {
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# 'arg_name': {
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# 'name': 'label',
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# 'prefix': '+',
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# }
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# }
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#
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# Since we nest a dictionary within a dictionary, a simple copy isn't
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# enough. a deepcopy allows us to manipulate this object in this
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# funtion without obstructing the original.
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template_kwargs = copy.deepcopy(plugin.template_kwargs)
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# We automatically create a schema entry
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template_tokens['schema'] = {
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'name': _('Schema'),
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'type': 'choice:string',
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'required': True,
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'values': parse_list(plugin.secure_protocol, plugin.protocol)
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}
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# Sanitize our tokens
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_sanitize_token(template_tokens, default_delimiter=('/', ))
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# Delimiter(s) are space and/or comma
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_sanitize_token(template_args, default_delimiter=(',', ' '))
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_sanitize_token(template_kwargs, default_delimiter=(',', ' '))
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# Argument/Option Handling
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for key in list(template_args.keys()):
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if 'alias_of' in template_args[key]:
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# Check if the mapped reference is a list; if it is, then
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# we need to store a different delimiter
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alias_of = template_tokens.get(template_args[key]['alias_of'], {})
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if alias_of.get('type', '').startswith('list') \
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and 'delim' not in template_args[key]:
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# Set a default delimiter of a comma and/or space if one
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# hasn't already been specified
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template_args[key]['delim'] = (',', ' ')
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# _lookup_default looks up what the default value
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if '_lookup_default' in template_args[key]:
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template_args[key]['default'] = getattr(
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plugin, template_args[key]['_lookup_default'])
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# Tidy as we don't want to pass this along in response
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del template_args[key]['_lookup_default']
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# _exists_if causes the argument to only exist IF after checking
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# the return of an internal variable requiring a check
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if '_exists_if' in template_args[key]:
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if not getattr(plugin,
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template_args[key]['_exists_if']):
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# Remove entire object
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del template_args[key]
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else:
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# We only nee to remove this key
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del template_args[key]['_exists_if']
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return {
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'templates': templates,
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'tokens': template_tokens,
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'args': template_args,
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'kwargs': template_kwargs,
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}
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def url_to_dict(url):
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"""
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Takes an apprise URL and returns the tokens associated with it
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if they can be acquired based on the plugins available.
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None is returned if the URL could not be parsed, otherwise the
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tokens are returned.
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These tokens can be loaded into apprise through it's add()
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function.
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"""
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# swap hash (#) tag values with their html version
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_url = url.replace('/#', '/%23')
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# Attempt to acquire the schema at the very least to allow our plugins to
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# determine if they can make a better interpretation of a URL geared for
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# them.
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schema = GET_SCHEMA_RE.match(_url)
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if schema is None:
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# Not a valid URL; take an early exit
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logger.error('Unsupported URL: {}'.format(url))
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return None
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# Ensure our schema is always in lower case
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schema = schema.group('schema').lower()
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if schema not in SCHEMA_MAP:
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# Give the user the benefit of the doubt that the user may be using
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# one of the URLs provided to them by their notification service.
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# Before we fail for good, just scan all the plugins that support the
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# native_url() parse function
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results = \
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next((r['plugin'].parse_native_url(_url)
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for r in MODULE_MAP.values()
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if r['plugin'].parse_native_url(_url) is not None),
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None)
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if not results:
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logger.error('Unparseable URL {}'.format(url))
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return None
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logger.trace('URL {} unpacked as:{}{}'.format(
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url, os.linesep, os.linesep.join(
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['{}="{}"'.format(k, v) for k, v in results.items()])))
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else:
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# Parse our url details of the server object as dictionary
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# containing all of the information parsed from our URL
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results = SCHEMA_MAP[schema].parse_url(_url)
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if not results:
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logger.error('Unparseable {} URL {}'.format(
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SCHEMA_MAP[schema].service_name, url))
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return None
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logger.trace('{} URL {} unpacked as:{}{}'.format(
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SCHEMA_MAP[schema].service_name, url,
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os.linesep, os.linesep.join(
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['{}="{}"'.format(k, v) for k, v in results.items()])))
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# Return our results
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return results
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