bito-code-review[bot] commented on code in PR #36933: URL: https://github.com/apache/superset/pull/36933#discussion_r2891602312
########## superset/embedded_chart/view.py: ########## @@ -0,0 +1,136 @@ +# 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 logging +from typing import Callable +from urllib.parse import urlparse + +from flask import abort, current_app, request +from flask_appbuilder import expose +from flask_login import AnonymousUserMixin, login_user + +from superset import event_logger +from superset.daos.key_value import KeyValueDAO +from superset.explore.permalink.schemas import ExplorePermalinkSchema +from superset.key_value.shared_entries import get_permalink_salt +from superset.key_value.types import ( + KeyValueResource, + MarshmallowKeyValueCodec, + SharedKey, +) +from superset.key_value.utils import decode_permalink_id +from superset.superset_typing import FlaskResponse +from superset.utils import json +from superset.views.base import BaseSupersetView, common_bootstrap_payload + +logger = logging.getLogger(__name__) + + +def same_origin(url1: str | None, url2: str | None) -> bool: + """Check if two URLs have the same origin (scheme + netloc).""" + if not url1 or not url2: + return False + parsed1 = urlparse(url1) + parsed2 = urlparse(url2) + # For domain matching, we just check if the host matches + # url2 might just be a domain like "example.com" + if not parsed2.scheme: + # url2 is just a domain, check if it matches url1's netloc + return parsed1.netloc == url2 or parsed1.netloc.endswith(f".{url2}") + return (parsed1.scheme, parsed1.netloc) == (parsed2.scheme, parsed2.netloc) Review Comment: <!-- Bito Reply --> Yes, the referrer validation in `EmbeddedChartView.embedded_chart` uses `same_origin()` to check scheme+netloc or domain-suffix matching against configured `allowed_domains`. This serves as defense-in-depth, with the guest token providing primary security. The check only applies when `allowed_domains` are set, aborting with 403 if the referrer doesn't match. -- 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: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
