Files
superset2/superset/views/database/decorators.py
2020-02-16 22:34:15 -08:00

63 lines
2.4 KiB
Python

# 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 functools
import logging
from typing import Optional
from flask import g
from flask_babel import lazy_gettext as _
from superset.models.core import Database
from superset.utils.core import parse_js_uri_path_item
logger = logging.getLogger(__name__)
def check_datasource_access(f):
"""
A Decorator that checks if a user has datasource access
"""
def wraps(
self, pk: int, table_name: str, schema_name: Optional[str] = None
): # pylint: disable=invalid-name
schema_name_parsed = parse_js_uri_path_item(schema_name, eval_undefined=True)
table_name_parsed = parse_js_uri_path_item(table_name)
if not table_name_parsed:
return self.response_422(message=_("Table name undefined"))
database: Database = self.datamodel.get(pk)
if not database:
self.stats_logger.incr(
f"database_not_found_{self.__class__.__name__}.select_star"
)
return self.response_404()
# Check that the user can access the datasource
if not self.appbuilder.sm.can_access_datasource(
database, table_name_parsed, schema_name_parsed
):
self.stats_logger.incr(
f"permisssion_denied_{self.__class__.__name__}.select_star"
)
logger.warning(
f"Permission denied for user {g.user} on table: {table_name_parsed} "
f"schema: {schema_name_parsed}"
)
return self.response_404()
return f(self, database, table_name_parsed, schema_name_parsed)
return functools.update_wrapper(wraps, f)