def test_request_url(authority):
tenant_id = "expected-tenant"
parsed_authority = urlparse(authority)
expected_netloc = parsed_authority.netloc or authority # "localhost" parses to netloc "", path "localhost"
def send(request, **_):
actual = urlparse(request.url)
assert actual.scheme == "https"
assert actual.netloc == expected_netloc
assert actual.path.startswith("/" + tenant_id)
return mock_response(json_payload={
"token_type": "Bearer",
"expires_in": 42,
"access_token": "***"
})
client = AadClient(tenant_id,
"client id",
transport=Mock(send=send),
authority=authority)
client.obtain_token_by_authorization_code("scope", "code", "uri")
client.obtain_token_by_refresh_token("scope", "refresh token")
# authority can be configured via environment variable
with patch.dict("os.environ",
{EnvironmentVariables.AZURE_AUTHORITY_HOST: authority},
clear=True):
client = AadClient(tenant_id=tenant_id,
client_id="client id",
transport=Mock(send=send))
client.obtain_token_by_authorization_code("scope", "code", "uri")
client.obtain_token_by_refresh_token("scope", "refresh token")
def test_retries_token_requests():
"""The client should retry token requests"""
message = "can't connect"
transport = Mock(send=Mock(side_effect=ServiceRequestError(message)))
client = AadClient("tenant-id", "client-id", transport=transport)
with pytest.raises(ServiceRequestError, match=message):
client.obtain_token_by_authorization_code("", "", "")
assert transport.send.call_count > 1
transport.send.reset_mock()
with pytest.raises(ServiceRequestError, match=message):
client.obtain_token_by_client_certificate(
"", AadClientCertificate(open(CERT_PATH, "rb").read()))
assert transport.send.call_count > 1
transport.send.reset_mock()
with pytest.raises(ServiceRequestError, match=message):
client.obtain_token_by_client_secret("", "")
assert transport.send.call_count > 1
transport.send.reset_mock()
with pytest.raises(ServiceRequestError, match=message):
client.obtain_token_by_refresh_token("", "")
assert transport.send.call_count > 1
transport.send.reset_mock()
def test_refresh_token():
tenant_id = "tenant-id"
client_id = "client-id"
scope = "scope"
refresh_token = "refresh-token"
access_token = "***"
def send(request, **_):
assert request.data["client_id"] == client_id
assert request.data["grant_type"] == "refresh_token"
assert request.data["refresh_token"] == refresh_token
assert request.data["scope"] == scope
return mock_response(json_payload={
"access_token": access_token,
"expires_in": 42
})
transport = Mock(send=Mock(wraps=send))
client = AadClient(tenant_id, client_id, transport=transport)
token = client.obtain_token_by_refresh_token(scopes=(scope, ),
refresh_token=refresh_token)
assert token.token == access_token
assert transport.send.call_count == 1
def test_evicts_invalid_refresh_token():
"""when AAD rejects a refresh token, the client should evict that token from its cache"""
tenant_id = "tenant-id"
client_id = "client-id"
invalid_token = "invalid-refresh-token"
cache = TokenCache()
cache.add({
"response":
build_aad_response(uid="id1",
utid="tid1",
access_token="*",
refresh_token=invalid_token)
})
cache.add({
"response":
build_aad_response(uid="id2",
utid="tid2",
access_token="*",
refresh_token="...")
})
assert len(cache.find(TokenCache.CredentialType.REFRESH_TOKEN)) == 2
assert len(
cache.find(TokenCache.CredentialType.REFRESH_TOKEN,
query={"secret": invalid_token})) == 1
def send(request, **_):
assert request.data["refresh_token"] == invalid_token
return mock_response(json_payload={"error": "invalid_grant"},
status_code=400)
transport = Mock(send=Mock(wraps=send))
client = AadClient(tenant_id, client_id, transport=transport, cache=cache)
with pytest.raises(ClientAuthenticationError):
client.obtain_token_by_refresh_token(scopes=("scope", ),
refresh_token=invalid_token)
assert transport.send.call_count == 1
assert len(cache.find(TokenCache.CredentialType.REFRESH_TOKEN)) == 1
assert len(
cache.find(TokenCache.CredentialType.REFRESH_TOKEN,
query={"secret": invalid_token})) == 0
