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# ------------------------------------
# Copyright (c) Microsoft Corporation.
# Licensed under the MIT License.
# ------------------------------------
from azure.core.exceptions import ClientAuthenticationError
from azure.core.pipeline.policies import SansIOHTTPPolicy
from azure.identity import AuthorizationCodeCredential
from azure.identity._constants import EnvironmentVariables
from azure.identity._internal.user_agent import USER_AGENT
import msal
import pytest
from six.moves.urllib_parse import urlparse
from helpers import build_aad_response, mock_response, Request, validating_transport
try:
from unittest.mock import Mock, patch
except ImportError: # python < 3.3
from mock import Mock, patch # type: ignore
def test_no_scopes():
"""The credential should raise ValueError when get_token is called with no scopes"""
credential = AuthorizationCodeCredential("tenant-id", "client-id", "auth-code", "http://localhost")
with pytest.raises(ValueError):
credential.get_token()
def test_policies_configurable():
policy = Mock(spec_set=SansIOHTTPPolicy, on_request=Mock())
def send(*_, **__):
return mock_response(json_payload=build_aad_response(access_token="**"))
credential = AuthorizationCodeCredential(
"tenant-id", "client-id", "auth-code", "http://localhost", policies=[policy], transport=Mock(send=send)
)
credential.get_token("scope")
assert policy.on_request.called
def test_user_agent():
transport = validating_transport(
requests=[Request(required_headers={"User-Agent": USER_AGENT})],
responses=[mock_response(json_payload=build_aad_response(access_token="**"))],
)
credential = AuthorizationCodeCredential(
"tenant-id", "client-id", "auth-code", "http://localhost", transport=transport
)
credential.get_token("scope")
def test_tenant_id():
transport = validating_transport(
requests=[Request(required_headers={"User-Agent": USER_AGENT})],
responses=[mock_response(json_payload=build_aad_response(access_token="**"))],
)
credential = AuthorizationCodeCredential(
"tenant-id", "client-id", "auth-code", "http://localhost", transport=transport, additionally_allowed_tenants=['*']
)
credential.get_token("scope", tenant_id="tenant_id")
def test_auth_code_credential():
client_id = "client id"
tenant_id = "tenant"
expected_code = "auth code"
redirect_uri = "https://localhost"
expected_access_token = "access"
expected_refresh_token = "refresh"
expected_scope = "scope"
auth_response = build_aad_response(access_token=expected_access_token, refresh_token=expected_refresh_token)
transport = validating_transport(
requests=[
Request( # first call should redeem the auth code
url_substring=tenant_id,
required_data={
"client_id": client_id,
"code": expected_code,
"grant_type": "authorization_code",
"redirect_uri": redirect_uri,
"scope": expected_scope,
},
),
Request( # third call should redeem the refresh token
url_substring=tenant_id,
required_data={
"client_id": client_id,
"grant_type": "refresh_token",
"refresh_token": expected_refresh_token,
"scope": expected_scope,
},
),
],
responses=[mock_response(json_payload=auth_response)] * 2,
)
cache = msal.TokenCache()
credential = AuthorizationCodeCredential(
client_id=client_id,
tenant_id=tenant_id,
authorization_code=expected_code,
redirect_uri=redirect_uri,
transport=transport,
cache=cache,
)
# first call should redeem the auth code
token = credential.get_token(expected_scope)
assert token.token == expected_access_token
assert transport.send.call_count == 1
# no auth code -> credential should return cached token
token = credential.get_token(expected_scope)
assert token.token == expected_access_token
assert transport.send.call_count == 1
# no auth code, no cached token -> credential should redeem refresh token
cached_access_token = cache.find(cache.CredentialType.ACCESS_TOKEN)[0]
cache.remove_at(cached_access_token)
token = credential.get_token(expected_scope)
assert token.token == expected_access_token
assert transport.send.call_count == 2
def test_multitenant_authentication():
first_tenant = "first-tenant"
first_token = "***"
second_tenant = "second-tenant"
second_token = first_token * 2
def send(request, **_):
parsed = urlparse(request.url)
tenant = parsed.path.split("/")[1]
assert tenant in (first_tenant, second_tenant), 'unexpected tenant "{}"'.format(tenant)
token = first_token if tenant == first_tenant else second_token
return mock_response(json_payload=build_aad_response(access_token=token, refresh_token="**"))
credential = AuthorizationCodeCredential(
first_tenant,
"client-id",
"authcode",
"https://localhost",
transport=Mock(send=send),
additionally_allowed_tenants=['*']
)
token = credential.get_token("scope")
assert token.token == first_token
token = credential.get_token("scope", tenant_id=first_tenant)
assert token.token == first_token
token = credential.get_token("scope", tenant_id=second_tenant)
assert token.token == second_token
# should still default to the first tenant
token = credential.get_token("scope")
assert token.token == first_token
def test_multitenant_authentication_not_allowed():
expected_tenant = "expected-tenant"
expected_token = "***"
def send(request, **_):
parsed = urlparse(request.url)
tenant = parsed.path.split("/")[1]
token = expected_token if tenant == expected_tenant else expected_token * 2
return mock_response(json_payload=build_aad_response(access_token=token, refresh_token="**"))
credential = AuthorizationCodeCredential(
expected_tenant, "client-id", "authcode", "https://localhost", transport=Mock(send=send), additionally_allowed_tenants=['*']
)
token = credential.get_token("scope")
assert token.token == expected_token
token = credential.get_token("scope", tenant_id=expected_tenant)
assert token.token == expected_token
token = credential.get_token("scope", tenant_id="un" + expected_tenant)
assert token.token == expected_token * 2
with patch.dict("os.environ", {EnvironmentVariables.AZURE_IDENTITY_DISABLE_MULTITENANTAUTH: "true"}):
token = credential.get_token("scope", tenant_id="un" + expected_tenant)
assert token.token == expected_token
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