def test_tenant_id_validation():
"""The credential should raise ValueError when given an invalid tenant_id"""
valid_ids = {
"c878a2ab-8ef4-413b-83a0-199afb84d7fb", "contoso.onmicrosoft.com",
"organizations", "common"
}
for tenant in valid_ids:
record = AuthenticationRecord(tenant, "client-id", "authority",
"home.account.id", "username")
SharedTokenCacheCredential(_authentication_record=record)
SharedTokenCacheCredential(_authentication_record=record,
tenant_id=tenant)
invalid_ids = {
"", "my tenant", "my_tenant", "/", "\\", '"my-tenant"', "'my-tenant'"
}
for tenant in invalid_ids:
record = AuthenticationRecord(tenant, "client-id", "authority",
"home.account.id", "username")
with pytest.raises(ValueError):
SharedTokenCacheCredential(_authentication_record=record)
with pytest.raises(ValueError):
SharedTokenCacheCredential(_authentication_record=record,
tenant_id=tenant)
async def test_authentication_record_no_match():
tenant_id = "tenant-id"
client_id = "client-id"
authority = "localhost"
object_id = "object-id"
home_account_id = object_id + "." + tenant_id
username = "******"
record = AuthenticationRecord(tenant_id, client_id, authority,
home_account_id, username)
transport = Mock(
side_effect=Exception("the credential shouldn't send a request"))
cache = populated_cache(
get_account_event(
"not-" + username,
"not-" + object_id,
"different-" + tenant_id,
client_id="not-" + client_id,
), )
credential = SharedTokenCacheCredential(_authentication_record=record,
transport=transport,
_cache=cache)
with pytest.raises(CredentialUnavailableError):
await credential.get_token("scope")
def test_disable_automatic_authentication():
"""When silent auth fails the credential should raise, if it's configured not to authenticate automatically"""
expected_details = "something went wrong"
record = AuthenticationRecord("tenant-id", "client-id", "localhost",
"object.tenant", "username")
msal_app = Mock(
acquire_token_silent_with_error=Mock(
return_value={"error_description": expected_details}),
get_accounts=Mock(
return_value=[{
"home_account_id": record.home_account_id
}]),
)
credential = MockCredential(
_authentication_record=record,
_disable_automatic_authentication=True,
msal_app_factory=lambda *_, **__: msal_app,
request_token=Mock(side_effect=Exception(
"credential shouldn't begin interactive authentication")),
)
scope = "scope"
with pytest.raises(AuthenticationRequiredError) as ex:
credential.get_token(scope)
# the exception should carry the requested scopes and any error message from AAD
assert ex.value.scopes == (scope, )
assert ex.value.error_details == expected_details
def test_authentication_record_no_match():
tenant_id = "tenant-id"
client_id = "client-id"
authority = "localhost"
object_id = "object-id"
home_account_id = object_id + "." + tenant_id
username = "******"
record = AuthenticationRecord(tenant_id, client_id, authority,
home_account_id, username)
def send(request, **_):
# expecting only MSAL discovery requests
assert request.method == "GET"
return get_discovery_response()
cache = populated_cache(
get_account_event(
"not-" + username,
"not-" + object_id,
"different-" + tenant_id,
client_id="not-" + client_id,
), )
credential = SharedTokenCacheCredential(_authentication_record=record,
transport=Mock(send=send),
_cache=cache)
with pytest.raises(CredentialUnavailableError):
credential.get_token("scope")
async def test_authentication_record_empty_cache():
record = AuthenticationRecord("tenant_id", "client_id", "authority",
"home_account_id", "username")
transport = Mock(
side_effect=Exception("the credential shouldn't send a request"))
credential = SharedTokenCacheCredential(_authentication_record=record,
transport=transport,
_cache=TokenCache())
with pytest.raises(CredentialUnavailableError):
await credential.get_token("scope")
def test_serialization():
"""serialize should accept arbitrary additional key/value pairs, which deserialize should ignore"""
attrs = ("authority", "client_id", "home_account_id", "tenant_id",
"username")
nums = (n for n in range(len(attrs)))
record_values = {attr: next(nums) for attr in attrs}
record = AuthenticationRecord(**record_values)
serialized = record.serialize()
# AuthenticationRecord's fields should have been serialized
assert json.loads(serialized) == record_values
deserialized = AuthenticationRecord.deserialize(serialized)
# the deserialized record and the constructed record should have the same fields
assert sorted(vars(deserialized)) == sorted(vars(record))
# the constructed and deserialized records should have the same values
assert all(
getattr(deserialized, attr) == record_values[attr] for attr in attrs)
def test_authentication_record_empty_cache():
record = AuthenticationRecord("tenant-id", "client_id", "authority",
"home_account_id", "username")
def send(request, **_):
# expecting only MSAL discovery requests
assert request.method == "GET"
return get_discovery_response()
credential = SharedTokenCacheCredential(_authentication_record=record,
transport=Mock(send=send),
_cache=TokenCache())
with pytest.raises(CredentialUnavailableError):
credential.get_token("scope")
def test_auth_record_multiple_accounts_for_username():
tenant_id = "tenant-id"
client_id = "client-id"
authority = "localhost"
object_id = "object-id"
home_account_id = object_id + "." + tenant_id
username = "******"
record = AuthenticationRecord(tenant_id, client_id, authority,
home_account_id, username)
expected_access_token = "****"
expected_refresh_token = "**"
expected_account = get_account_event(username,
object_id,
tenant_id,
authority=authority,
client_id=client_id,
refresh_token=expected_refresh_token)
cache = populated_cache(
expected_account,
get_account_event( # this account matches all but the record's tenant
username,
object_id,
"different-" + tenant_id,
authority=authority,
client_id=client_id,
refresh_token="not-" + expected_refresh_token,
),
)
transport = msal_validating_transport(
endpoint="https://{}/{}".format(authority, tenant_id),
requests=[
Request(authority=authority,
required_data={"refresh_token": expected_refresh_token})
],
responses=[
mock_response(json_payload=build_aad_response(
access_token=expected_access_token))
],
)
credential = SharedTokenCacheCredential(_authentication_record=record,
transport=transport,
_cache=cache)
token = credential.get_token("scope")
assert token.token == expected_access_token
def test_get_token_wraps_exceptions():
"""get_token shouldn't propagate exceptions from MSAL"""
class CustomException(Exception):
pass
expected_message = "something went wrong"
record = AuthenticationRecord("tenant-id", "client-id", "localhost", "object.tenant", "username")
msal_app = Mock(
acquire_token_silent_with_error=Mock(side_effect=CustomException(expected_message)),
get_accounts=Mock(return_value=[{"home_account_id": record.home_account_id}]),
)
credential = MockCredential(msal_app_factory=lambda *_, **__: msal_app, _authentication_record=record)
with pytest.raises(ClientAuthenticationError) as ex:
credential.get_token("scope")
assert expected_message in ex.value.message
assert msal_app.acquire_token_silent_with_error.call_count == 1, "credential didn't attempt silent auth"
def test_authentication_record_argument():
"""The credential should initialize its msal.ClientApplication with values from a given record"""
record = AuthenticationRecord("tenant-id", "client-id", "localhost", "object.tenant", "username")
def validate_app_parameters(authority, client_id, **_):
# the 'authority' argument to msal.ClientApplication should be a URL of the form https://authority/tenant
assert authority == "https://{}/{}".format(record.authority, record.tenant_id)
assert client_id == record.client_id
return Mock(get_accounts=Mock(return_value=[]))
app_factory = Mock(wraps=validate_app_parameters)
credential = MockCredential(
_authentication_record=record, _disable_automatic_authentication=True, msal_app_factory=app_factory,
)
with pytest.raises(AuthenticationRequiredError):
credential.get_token("scope")
assert app_factory.call_count == 1, "credential didn't create an msal application"
async def test_authentication_record_authenticating_tenant():
"""when given a record and 'tenant_id', the credential should authenticate in the latter"""
expected_tenant_id = "tenant-id"
record = AuthenticationRecord("not- " + expected_tenant_id, "...", "...",
"...", "...")
with patch.object(SharedTokenCacheCredential,
"_get_auth_client") as get_auth_client:
credential = SharedTokenCacheCredential(_authentication_record=record,
_cache=TokenCache(),
tenant_id=expected_tenant_id)
with pytest.raises(CredentialUnavailableError):
# this raises because the cache is empty
await credential.get_token("scope")
assert get_auth_client.call_count == 1
_, kwargs = get_auth_client.call_args
assert kwargs["tenant_id"] == expected_tenant_id
def test_tenant_argument_overrides_record():
"""The 'tenant_ic' keyword argument should override a given record's value"""
tenant_id = "some-guid"
authority = "localhost"
record = AuthenticationRecord(tenant_id, "client-id", authority, "object.tenant", "username")
expected_tenant = tenant_id[::-1]
expected_authority = "https://{}/{}".format(authority, expected_tenant)
def validate_authority(authority, **_):
assert authority == expected_authority
return Mock(get_accounts=Mock(return_value=[]))
credential = MockCredential(
_authentication_record=record,
tenant_id=expected_tenant,
_disable_automatic_authentication=True,
msal_app_factory=validate_authority,
)
with pytest.raises(AuthenticationRequiredError):
credential.get_token("scope")
def test_authentication_record_authenticating_tenant():
"""when given a record and 'tenant_id', the credential should authenticate in the latter"""
expected_tenant_id = "tenant-id"
record = AuthenticationRecord("not- " + expected_tenant_id, "...",
"localhost", "...", "...")
def mock_send(request, **_):
if not request.body:
return get_discovery_response()
assert request.url.startswith("https://localhost/" +
expected_tenant_id)
return mock_response(json_payload=build_aad_response(access_token="*"))
transport = Mock(send=Mock(wraps=mock_send))
credential = SharedTokenCacheCredential(_authentication_record=record,
_cache=TokenCache(),
tenant_id=expected_tenant_id,
transport=transport)
with pytest.raises(CredentialUnavailableError):
credential.get_token("scope") # this raises because the cache is empty
assert transport.send.called
async def test_authentication_record():
tenant_id = "tenant-id"
client_id = "client-id"
authority = "localhost"
object_id = "object-id"
home_account_id = object_id + "." + tenant_id
username = "******"
record = AuthenticationRecord(tenant_id, client_id, authority,
home_account_id, username)
expected_access_token = "****"
expected_refresh_token = "**"
account = get_account_event(username,
object_id,
tenant_id,
authority=authority,
client_id=client_id,
refresh_token=expected_refresh_token)
cache = populated_cache(account)
transport = async_validating_transport(
requests=[
Request(authority=authority,
required_data={"refresh_token": expected_refresh_token})
],
responses=[
mock_response(json_payload=build_aad_response(
access_token=expected_access_token))
],
)
credential = SharedTokenCacheCredential(_authentication_record=record,
transport=transport,
_cache=cache)
token = await credential.get_token("scope")
assert token.token == expected_access_token
