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# -------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for
# license information.
# --------------------------------------------------------------------------
import sys
from datetime import datetime, timedelta
from azure.storage.blob import (
BlockBlobService,
ContainerPermissions,
BlobPermissions,
)
from azure.storage.common._constants import (
_AUTHORIZATION_HEADER_NAME,
)
from azure.storage.common.sharedaccesssignature import (
_QueryStringConstants,
)
from tests.testcase import (
StorageTestCase,
TestMode,
record,
LogCaptured,
)
if sys.version_info >= (3,):
from urllib.parse import parse_qs
else:
from urlparse import parse_qs
class StorageLoggingTest(StorageTestCase):
def setUp(self):
super(StorageLoggingTest, self).setUp()
self.bs = self._create_storage_service(BlockBlobService, self.settings)
self.container_name = self.get_resource_name('utcontainer')
# create source blob to be copied from
self.source_blob_name = self.get_resource_name('srcblob')
self.source_blob_data = self.get_random_bytes(4 * 1024)
if not self.is_playback():
self.bs.create_container(self.container_name)
self.bs.create_blob_from_bytes(self.container_name, self.source_blob_name, self.source_blob_data)
# generate a SAS so that it is accessible with a URL
sas_token = self.bs.generate_blob_shared_access_signature(
self.container_name,
self.source_blob_name,
permission=BlobPermissions.READ,
expiry=datetime.utcnow() + timedelta(hours=1),
)
self.source_blob_url = self.bs.make_blob_url(self.container_name, self.source_blob_name, sas_token=sas_token)
def tearDown(self):
if not self.is_playback():
self.bs.delete_container(self.container_name)
return super(StorageLoggingTest, self).tearDown()
@record
def test_authorization_is_scrubbed_off(self):
# Act
with LogCaptured(self) as log_captured:
self.bs.exists(self.container_name)
log_as_str = log_captured.getvalue()
# Assert
# make sure authorization header is logged, but its value is not
# the keyword SharedKey is present in the authorization header's value
self.assertTrue(_AUTHORIZATION_HEADER_NAME in log_as_str)
self.assertFalse('SharedKey' in log_as_str)
@record
def test_sas_signature_is_scrubbed_off(self):
# SAS URL is calculated from storage key, so this test runs live only
if TestMode.need_recording_file(self.test_mode):
return
# Arrange
token = self.bs.generate_container_shared_access_signature(
self.container_name,
permission=ContainerPermissions.READ,
expiry=datetime.utcnow() + timedelta(hours=1),
)
# parse out the signed signature
token_components = parse_qs(token)
signed_signature = token_components[_QueryStringConstants.SIGNED_SIGNATURE][0]
bs_with_sas = BlockBlobService(account_name=self.settings.STORAGE_ACCOUNT_NAME, sas_token=token,
protocol=self.settings.PROTOCOL)
# Act
with LogCaptured(self) as log_captured:
bs_with_sas.get_blob_account_information(self.container_name)
log_as_str = log_captured.getvalue()
# Assert
# make sure the query parameter 'sig' is logged, but its value is not
self.assertTrue(_QueryStringConstants.SIGNED_SIGNATURE in log_as_str)
self.assertFalse(signed_signature in log_as_str)
@record
def test_copy_source_sas_is_scrubbed_off(self):
# SAS URL is calculated from storage key, so this test runs live only
if TestMode.need_recording_file(self.test_mode):
return
# Arrange
dest_blob_name = self.get_resource_name('destblob')
# parse out the signed signature
token_components = parse_qs(self.source_blob_url)
signed_signature = token_components[_QueryStringConstants.SIGNED_SIGNATURE][0]
# Act
with LogCaptured(self) as log_captured:
self.bs.copy_blob(self.container_name, dest_blob_name, self.source_blob_url, requires_sync=True)
log_as_str = log_captured.getvalue()
# Assert
# make sure the query parameter 'sig' is logged, but its value is not
self.assertTrue(_QueryStringConstants.SIGNED_SIGNATURE in log_as_str)
self.assertFalse(signed_signature in log_as_str)
# make sure authorization header is logged, but its value is not
# the keyword SharedKey is present in the authorization header's value
self.assertTrue(_AUTHORIZATION_HEADER_NAME in log_as_str)
self.assertFalse('SharedKey' in log_as_str)
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