superset analytics_db_safety 源码
superset analytics_db_safety 代码
文件路径：/superset/security/analytics_db_safety.py
# 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.
from flask_babel import lazy_gettext as _
from sqlalchemy.engine.url import URL
from sqlalchemy.exc import NoSuchModuleError
from superset.errors import ErrorLevel, SupersetError, SupersetErrorType
from superset.exceptions import SupersetSecurityException
# list of unsafe SQLAlchemy dialects
BLOCKLIST = {
# sqlite creates a local DB, which allows mapping server's filesystem
"sqlite",
# shillelagh allows opening local files (eg, 'SELECT * FROM "csv:///etc/passwd"')
"shillelagh",
"shillelagh+apsw",
}
def check_sqlalchemy_uri(uri: URL) -> None:
if uri.drivername in BLOCKLIST:
try:
dialect = uri.get_dialect().__name__
except NoSuchModuleError:
dialect = uri.drivername
raise SupersetSecurityException(
SupersetError(
error_type=SupersetErrorType.DATABASE_SECURITY_ACCESS_ERROR,
message=_(
"%(dialect)s cannot be used as a data source for security reasons.",
dialect=dialect,
),
level=ErrorLevel.ERROR,
)
)
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