_plugin.py

# Copyright 2019 PrivateStorage.io, LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""
The Twisted plugin that glues the Secure Access Token system into
Tahoe-LAFS.
"""

from zope.interface import (
    implementer,
)

from allmydata.interfaces import (
    IFoolscapStoragePlugin,
)

from .api import (
    SecureAccessTokenAuthorizerStorageServer,
)

@implementer(IFoolscapStoragePlugin)
class SecureAccessTokenAuthorizer(object):
    """
    A storage plugin which provides a token-based access control mechanism on
    top of the Tahoe-LAFS built-in storage server interface.
    """
    name = u"privatestorageio-satauthz-v1"

    def get_storage_server(self, configuration, get_anonymous_storage_server):
        return SecureAccessTokenAuthorizerStorageServer(
            get_anonymous_storage_server(),
            **configuration
        )

    def get_storage_client(self, configuration, announcement):
        raise NotImplementedError()