Source code for pynessie.auth.config
# -*- coding: utf-8 -*-
#
# Copyright (C) 2020 Dremio
#
# 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.
#
"""Config based auth mechanism."""
from typing import Optional
from confuse import Configuration
from requests.auth import AuthBase
from requests.auth import HTTPBasicAuth
from .aws import setup_aws_auth
from .bearer import TokenAuth as BearerTokenAuth
[docs]def setup_auth(config: Configuration) -> Optional[AuthBase]:
"""Setup an AuthBase object for future authentication against a Nessie Server.
:param config: confuse.Configuration object
:return: a requests.auth.AuthBase object that is able to inject authentication data into HTTP requests
"""
auth_type = config["auth"]["type"].get()
if auth_type == "none":
return None
if auth_type == "basic":
username = config["auth"]["username"].get()
password = config["auth"]["password"].get()
return HTTPBasicAuth(username, password)
if auth_type == "bearer":
token = config["auth"]["token"].get()
return BearerTokenAuth(token)
if auth_type == "aws":
region = config["auth"]["region"].get()
profile = config["auth"]["profile"].get()
return setup_aws_auth(region=region, profile=profile)
raise NotImplementedError("Unsupported authentication type: " + auth_type)