corleyma commented on code in PR #1908: URL: https://github.com/apache/iceberg-python/pull/1908#discussion_r2043086971
########## pyiceberg/catalog/rest/auth.py: ########## @@ -0,0 +1,81 @@ +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you 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. + +import base64 +from abc import ABC, abstractmethod +from typing import Optional + +from requests import PreparedRequest +from requests.auth import AuthBase + + +class AuthManager(ABC): + """ + Abstract base class for Authentication Managers used to supply authorization headers to HTTP clients (e.g. requests.Session). + + Subclasses must implement the `auth_header` method to return an Authorization header value. + """ + + @abstractmethod + def auth_header(self) -> Optional[str]: + """Return the Authorization header value, or None if not applicable.""" + + +class NoopAuthManager(AuthManager): + def auth_header(self) -> Optional[str]: + return None + + +class BasicAuthManager(AuthManager): + def __init__(self, username: str, password: str): + credentials = f"{username}:{password}" + self._token = base64.b64encode(credentials.encode()).decode() + + def auth_header(self) -> str: + return f"Basic {self._token}" + + +class AuthManagerAdapter(AuthBase): + """A `requests.auth.AuthBase` adapter that integrates an `AuthManager` into a `requests.Session` to automatically attach the appropriate Authorization header to every request. Review Comment: It might be good to warn folks about validating that they are only making requests to the correct host(s) when using this, otherwise there is a risk of leaking credentials by sticking the auth header on requests to unrelated services. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For additional commands, e-mail: issues-h...@iceberg.apache.org
