Source code for runway.aws_sso_botocore.util

"""Botocore with support for AWS SSO utilities."""
# Copyright 2012-2014 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"). You
# may not use this file except in compliance with the License. A copy of
# the License is located at
#
# http://aws.amazon.com/apache2.0/
#
# or in the "license" file accompanying this file. This file 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.
import hashlib
import logging

from .exceptions import SSOTokenLoadError

LOGGER = logging.getLogger(__name__)


[docs]class SSOTokenLoader(object): # pylint: disable=too-few-public-methods """AWS SSO token loader.""" def __init__(self, cache=None): """Instantiate class.""" if cache is None: cache = {} self._cache = cache @staticmethod def _generate_cache_key(start_url): """Generate cache key.""" return hashlib.sha1(start_url.encode('utf-8')).hexdigest() def __call__(self, start_url): """Call instance of class directly.""" cache_key = self._generate_cache_key(start_url) try: token = self._cache[cache_key] return token['accessToken'] except KeyError: LOGGER.debug('Failed to load SSO token:', exc_info=True) error_msg = ( 'The SSO access token has either expired or is otherwise ' 'invalid.' ) raise SSOTokenLoadError(error_msg=error_msg)