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# The MIT License (MIT)
# Copyright (c) 2022 Microsoft Corporation
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
import unittest
import pytest
import base64
import time
import json
from io import StringIO
import azure.cosmos.cosmos_client as cosmos_client
from azure.cosmos import exceptions, PartitionKey
from azure.core.credentials import AccessToken
import test_config
pytestmark = pytest.mark.cosmosEmulator
def _remove_padding(encoded_string):
while encoded_string.endswith("="):
encoded_string = encoded_string[0:len(encoded_string) - 1]
return encoded_string
def get_test_item(num):
test_item = {
'id': 'Item_' + str(num),
'test_object': True,
'lastName': 'Smith'
}
return test_item
class CosmosEmulatorCredential(object):
def get_token(self, *scopes, **kwargs):
# type: (*str, **Any) -> AccessToken
"""Request an access token for the emulator. Based on Azure Core's Access Token Credential.
This method is called automatically by Azure SDK clients.
:param str scopes: desired scopes for the access token. This method requires at least one scope.
:rtype: :class:`azure.core.credentials.AccessToken`
:raises CredentialUnavailableError: the credential is unable to attempt authentication because it lacks
required data, state, or platform support
:raises ~azure.core.exceptions.ClientAuthenticationError: authentication failed. The error's ``message``
attribute gives a reason.
"""
aad_header_cosmos_emulator = "{\"typ\":\"JWT\",\"alg\":\"RS256\",\"x5t\":\"" \
"CosmosEmulatorPrimaryMaster\",\"kid\":\"CosmosEmulatorPrimaryMaster\"}"
aad_claim_cosmos_emulator_format = {"aud": "https://localhost.localhost",
"iss": "https://sts.fake-issuer.net/7b1999a1-dfd7-440e-8204-00170979b984",
"iat": int(time.time()), "nbf": int(time.time()),
"exp": int(time.time() + 7200), "aio": "", "appid": "localhost",
"appidacr": "1", "idp": "https://localhost:8081/",
"oid": "96313034-4739-43cb-93cd-74193adbe5b6", "rh": "", "sub": "localhost",
"tid": "EmulatorFederation", "uti": "", "ver": "1.0",
"scp": "user_impersonation",
"groups": ["7ce1d003-4cb3-4879-b7c5-74062a35c66e",
"e99ff30c-c229-4c67-ab29-30a6aebc3e58",
"5549bb62-c77b-4305-bda9-9ec66b85d9e4",
"c44fd685-5c58-452c-aaf7-13ce75184f65",
"be895215-eab5-43b7-9536-9ef8fe130330"]}
emulator_key = test_config._test_config.masterKey
first_encoded_bytes = base64.urlsafe_b64encode(aad_header_cosmos_emulator.encode("utf-8"))
first_encoded_padded = str(first_encoded_bytes, "utf-8")
first_encoded = _remove_padding(first_encoded_padded)
str_io_obj = StringIO()
json.dump(aad_claim_cosmos_emulator_format, str_io_obj)
aad_claim_cosmos_emulator_format_string = str(str_io_obj.getvalue()).replace(" ", "")
second = aad_claim_cosmos_emulator_format_string
second_encoded_bytes = base64.urlsafe_b64encode(second.encode("utf-8"))
second_encoded_padded = str(second_encoded_bytes, "utf-8")
second_encoded = _remove_padding(second_encoded_padded)
emulator_key_encoded_bytes = base64.urlsafe_b64encode(emulator_key.encode("utf-8"))
emulator_key_encoded_padded = str(emulator_key_encoded_bytes, "utf-8")
emulator_key_encoded = _remove_padding(emulator_key_encoded_padded)
return AccessToken(first_encoded + "." + second_encoded + "." + emulator_key_encoded, int(time.time() + 7200))
@pytest.mark.usefixtures("teardown")
class AadTest(unittest.TestCase):
configs = test_config._test_config
host = configs.host
masterKey = configs.masterKey
@classmethod
def setUpClass(cls):
cls.client = cosmos_client.CosmosClient(cls.host, cls.masterKey)
cls.database = cls.client.create_database_if_not_exists(test_config._test_config.TEST_DATABASE_ID)
cls.container = cls.database.create_container_if_not_exists(
id=test_config._test_config.TEST_COLLECTION_SINGLE_PARTITION_ID,
partition_key=PartitionKey(path="/id"))
def test_emulator_aad_credentials(self):
if self.host != 'https://localhost:8081/':
print("This test is only configured to run on the emulator, skipping now.")
return
aad_client = cosmos_client.CosmosClient(self.host, CosmosEmulatorCredential())
# Do any R/W data operations with your authorized AAD client
db = aad_client.get_database_client(self.configs.TEST_DATABASE_ID)
container = db.get_container_client(self.configs.TEST_COLLECTION_SINGLE_PARTITION_ID)
print("Container info: " + str(container.read()))
container.create_item(get_test_item(0))
print("Point read result: " + str(container.read_item(item='Item_0', partition_key='Item_0')))
query_results = list(container.query_items(query='select * from c', partition_key='Item_0'))
assert len(query_results) == 1
print("Query result: " + str(query_results[0]))
container.delete_item(item='Item_0', partition_key='Item_0')
# Attempting to do management operations will return a 403 Forbidden exception
try:
aad_client.delete_database(self.configs.TEST_DATABASE_ID)
except exceptions.CosmosHttpResponseError as e:
assert e.status_code == 403
print("403 error assertion success")
if __name__ == "__main__":
unittest.main()
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