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test_external_account_authorized_user.py
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# Copyright 2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import datetime
import http.client as http_client
import json
import mock
import pytest # type: ignore
from google.auth import exceptions
from google.auth import external_account_authorized_user
from google.auth import transport
TOKEN_URL = "https://sts.googleapis.com/v1/token"
TOKEN_INFO_URL = "https://sts.googleapis.com/v1/introspect"
REVOKE_URL = "https://sts.googleapis.com/v1/revoke"
PROJECT_NUMBER = "123456"
QUOTA_PROJECT_ID = "654321"
POOL_ID = "POOL_ID"
PROVIDER_ID = "PROVIDER_ID"
AUDIENCE = (
"//iam.googleapis.com/projects/{}"
"/locations/global/workloadIdentityPools/{}"
"/providers/{}"
).format(PROJECT_NUMBER, POOL_ID, PROVIDER_ID)
REFRESH_TOKEN = "REFRESH_TOKEN"
NEW_REFRESH_TOKEN = "NEW_REFRESH_TOKEN"
ACCESS_TOKEN = "ACCESS_TOKEN"
CLIENT_ID = "username"
CLIENT_SECRET = "password"
# Base64 encoding of "username:password".
BASIC_AUTH_ENCODING = "dXNlcm5hbWU6cGFzc3dvcmQ="
SCOPES = ["email", "profile"]
NOW = datetime.datetime(1990, 8, 27, 6, 54, 30)
class TestCredentials(object):
@classmethod
def make_credentials(
cls,
audience=AUDIENCE,
refresh_token=REFRESH_TOKEN,
token_url=TOKEN_URL,
token_info_url=TOKEN_INFO_URL,
client_id=CLIENT_ID,
client_secret=CLIENT_SECRET,
**kwargs
):
return external_account_authorized_user.Credentials(
audience=audience,
refresh_token=refresh_token,
token_url=token_url,
token_info_url=token_info_url,
client_id=client_id,
client_secret=client_secret,
**kwargs
)
@classmethod
def make_mock_request(cls, status=http_client.OK, data=None):
# STS token exchange request.
token_response = mock.create_autospec(transport.Response, instance=True)
token_response.status = status
token_response.data = json.dumps(data).encode("utf-8")
responses = [token_response]
request = mock.create_autospec(transport.Request)
request.side_effect = responses
return request
def test_default_state(self):
creds = self.make_credentials()
assert not creds.expiry
assert not creds.expired
assert not creds.token
assert not creds.valid
assert not creds.requires_scopes
assert not creds.scopes
assert not creds.revoke_url
assert creds.token_info_url
assert creds.client_id
assert creds.client_secret
assert creds.is_user
assert creds.refresh_token == REFRESH_TOKEN
assert creds.audience == AUDIENCE
assert creds.token_url == TOKEN_URL
def test_basic_create(self):
creds = external_account_authorized_user.Credentials(
token=ACCESS_TOKEN,
expiry=datetime.datetime.max,
scopes=SCOPES,
revoke_url=REVOKE_URL,
)
assert creds.expiry == datetime.datetime.max
assert not creds.expired
assert creds.token == ACCESS_TOKEN
assert creds.valid
assert not creds.requires_scopes
assert creds.scopes == SCOPES
assert creds.is_user
assert creds.revoke_url == REVOKE_URL
def test_stunted_create_no_refresh_token(self):
with pytest.raises(ValueError) as excinfo:
self.make_credentials(token=None, refresh_token=None)
assert excinfo.match(
r"Token should be created with fields to make it valid \(`token` and "
r"`expiry`\), or fields to allow it to refresh \(`refresh_token`, "
r"`token_url`, `client_id`, `client_secret`\)\."
)
def test_stunted_create_no_token_url(self):
with pytest.raises(ValueError) as excinfo:
self.make_credentials(token=None, token_url=None)
assert excinfo.match(
r"Token should be created with fields to make it valid \(`token` and "
r"`expiry`\), or fields to allow it to refresh \(`refresh_token`, "
r"`token_url`, `client_id`, `client_secret`\)\."
)
def test_stunted_create_no_client_id(self):
with pytest.raises(ValueError) as excinfo:
self.make_credentials(token=None, client_id=None)
assert excinfo.match(
r"Token should be created with fields to make it valid \(`token` and "
r"`expiry`\), or fields to allow it to refresh \(`refresh_token`, "
r"`token_url`, `client_id`, `client_secret`\)\."
)
def test_stunted_create_no_client_secret(self):
with pytest.raises(ValueError) as excinfo:
self.make_credentials(token=None, client_secret=None)
assert excinfo.match(
r"Token should be created with fields to make it valid \(`token` and "
r"`expiry`\), or fields to allow it to refresh \(`refresh_token`, "
r"`token_url`, `client_id`, `client_secret`\)\."
)
@mock.patch("google.auth._helpers.utcnow", return_value=NOW)
def test_refresh_auth_success(self, utcnow):
request = self.make_mock_request(
status=http_client.OK,
data={"access_token": ACCESS_TOKEN, "expires_in": 3600},
)
creds = self.make_credentials()
creds.refresh(request)
assert creds.expiry == utcnow() + datetime.timedelta(seconds=3600)
assert not creds.expired
assert creds.token == ACCESS_TOKEN
assert creds.valid
assert not creds.requires_scopes
assert creds.is_user
assert creds._refresh_token == REFRESH_TOKEN
request.assert_called_once_with(
url=TOKEN_URL,
method="POST",
headers={
"Content-Type": "application/x-www-form-urlencoded",
"Authorization": "Basic " + BASIC_AUTH_ENCODING,
},
body=("grant_type=refresh_token&refresh_token=" + REFRESH_TOKEN).encode(
"UTF-8"
),
)
@mock.patch("google.auth._helpers.utcnow", return_value=NOW)
def test_refresh_auth_success_new_refresh_token(self, utcnow):
request = self.make_mock_request(
status=http_client.OK,
data={
"access_token": ACCESS_TOKEN,
"expires_in": 3600,
"refresh_token": NEW_REFRESH_TOKEN,
},
)
creds = self.make_credentials()
creds.refresh(request)
assert creds.expiry == utcnow() + datetime.timedelta(seconds=3600)
assert not creds.expired
assert creds.token == ACCESS_TOKEN
assert creds.valid
assert not creds.requires_scopes
assert creds.is_user
assert creds._refresh_token == NEW_REFRESH_TOKEN
request.assert_called_once_with(
url=TOKEN_URL,
method="POST",
headers={
"Content-Type": "application/x-www-form-urlencoded",
"Authorization": "Basic " + BASIC_AUTH_ENCODING,
},
body=("grant_type=refresh_token&refresh_token=" + REFRESH_TOKEN).encode(
"UTF-8"
),
)
def test_refresh_auth_failure(self):
request = self.make_mock_request(
status=http_client.BAD_REQUEST,
data={
"error": "invalid_request",
"error_description": "Invalid subject token",
"error_uri": "https://tools.ietf.org/html/rfc6749",
},
)
creds = self.make_credentials()
with pytest.raises(exceptions.OAuthError) as excinfo:
creds.refresh(request)
assert excinfo.match(
r"Error code invalid_request: Invalid subject token - https://tools.ietf.org/html/rfc6749"
)
assert not creds.expiry
assert not creds.expired
assert not creds.token
assert not creds.valid
assert not creds.requires_scopes
assert creds.is_user
request.assert_called_once_with(
url=TOKEN_URL,
method="POST",
headers={
"Content-Type": "application/x-www-form-urlencoded",
"Authorization": "Basic " + BASIC_AUTH_ENCODING,
},
body=("grant_type=refresh_token&refresh_token=" + REFRESH_TOKEN).encode(
"UTF-8"
),
)
def test_refresh_without_refresh_token(self):
request = self.make_mock_request()
creds = self.make_credentials(refresh_token=None, token=ACCESS_TOKEN)
with pytest.raises(exceptions.RefreshError) as excinfo:
creds.refresh(request)
assert excinfo.match(
r"The credentials do not contain the necessary fields need to refresh the access token. You must specify refresh_token, token_url, client_id, and client_secret."
)
assert not creds.expiry
assert not creds.expired
assert not creds.requires_scopes
assert creds.is_user
request.assert_not_called()
def test_refresh_without_token_url(self):
request = self.make_mock_request()
creds = self.make_credentials(token_url=None, token=ACCESS_TOKEN)
with pytest.raises(exceptions.RefreshError) as excinfo:
creds.refresh(request)
assert excinfo.match(
r"The credentials do not contain the necessary fields need to refresh the access token. You must specify refresh_token, token_url, client_id, and client_secret."
)
assert not creds.expiry
assert not creds.expired
assert not creds.requires_scopes
assert creds.is_user
request.assert_not_called()
def test_refresh_without_client_id(self):
request = self.make_mock_request()
creds = self.make_credentials(client_id=None, token=ACCESS_TOKEN)
with pytest.raises(exceptions.RefreshError) as excinfo:
creds.refresh(request)
assert excinfo.match(
r"The credentials do not contain the necessary fields need to refresh the access token. You must specify refresh_token, token_url, client_id, and client_secret."
)
assert not creds.expiry
assert not creds.expired
assert not creds.requires_scopes
assert creds.is_user
request.assert_not_called()
def test_refresh_without_client_secret(self):
request = self.make_mock_request()
creds = self.make_credentials(client_secret=None, token=ACCESS_TOKEN)
with pytest.raises(exceptions.RefreshError) as excinfo:
creds.refresh(request)
assert excinfo.match(
r"The credentials do not contain the necessary fields need to refresh the access token. You must specify refresh_token, token_url, client_id, and client_secret."
)
assert not creds.expiry
assert not creds.expired
assert not creds.requires_scopes
assert creds.is_user
request.assert_not_called()
def test_info(self):
creds = self.make_credentials()
info = creds.info
assert info["audience"] == AUDIENCE
assert info["refresh_token"] == REFRESH_TOKEN
assert info["token_url"] == TOKEN_URL
assert info["token_info_url"] == TOKEN_INFO_URL
assert info["client_id"] == CLIENT_ID
assert info["client_secret"] == CLIENT_SECRET
assert "token" not in info
assert "expiry" not in info
assert "revoke_url" not in info
assert "quota_project_id" not in info
def test_info_full(self):
creds = self.make_credentials(
token=ACCESS_TOKEN,
expiry=NOW,
revoke_url=REVOKE_URL,
quota_project_id=QUOTA_PROJECT_ID,
)
info = creds.info
assert info["audience"] == AUDIENCE
assert info["refresh_token"] == REFRESH_TOKEN
assert info["token_url"] == TOKEN_URL
assert info["token_info_url"] == TOKEN_INFO_URL
assert info["client_id"] == CLIENT_ID
assert info["client_secret"] == CLIENT_SECRET
assert info["token"] == ACCESS_TOKEN
assert info["expiry"] == NOW.isoformat() + "Z"
assert info["revoke_url"] == REVOKE_URL
assert info["quota_project_id"] == QUOTA_PROJECT_ID
def test_to_json(self):
creds = self.make_credentials()
json_info = creds.to_json()
info = json.loads(json_info)
assert info["audience"] == AUDIENCE
assert info["refresh_token"] == REFRESH_TOKEN
assert info["token_url"] == TOKEN_URL
assert info["token_info_url"] == TOKEN_INFO_URL
assert info["client_id"] == CLIENT_ID
assert info["client_secret"] == CLIENT_SECRET
assert "token" not in info
assert "expiry" not in info
assert "revoke_url" not in info
assert "quota_project_id" not in info
def test_to_json_full(self):
creds = self.make_credentials(
token=ACCESS_TOKEN,
expiry=NOW,
revoke_url=REVOKE_URL,
quota_project_id=QUOTA_PROJECT_ID,
)
json_info = creds.to_json()
info = json.loads(json_info)
assert info["audience"] == AUDIENCE
assert info["refresh_token"] == REFRESH_TOKEN
assert info["token_url"] == TOKEN_URL
assert info["token_info_url"] == TOKEN_INFO_URL
assert info["client_id"] == CLIENT_ID
assert info["client_secret"] == CLIENT_SECRET
assert info["token"] == ACCESS_TOKEN
assert info["expiry"] == NOW.isoformat() + "Z"
assert info["revoke_url"] == REVOKE_URL
assert info["quota_project_id"] == QUOTA_PROJECT_ID
def test_to_json_full_with_strip(self):
creds = self.make_credentials(
token=ACCESS_TOKEN,
expiry=NOW,
revoke_url=REVOKE_URL,
quota_project_id=QUOTA_PROJECT_ID,
)
json_info = creds.to_json(strip=["token", "expiry"])
info = json.loads(json_info)
assert info["audience"] == AUDIENCE
assert info["refresh_token"] == REFRESH_TOKEN
assert info["token_url"] == TOKEN_URL
assert info["token_info_url"] == TOKEN_INFO_URL
assert info["client_id"] == CLIENT_ID
assert info["client_secret"] == CLIENT_SECRET
assert "token" not in info
assert "expiry" not in info
assert info["revoke_url"] == REVOKE_URL
assert info["quota_project_id"] == QUOTA_PROJECT_ID
def test_get_project_id(self):
creds = self.make_credentials()
request = mock.create_autospec(transport.Request)
assert creds.get_project_id(request) is None
request.assert_not_called()
def test_with_quota_project(self):
creds = self.make_credentials(
token=ACCESS_TOKEN,
expiry=NOW,
revoke_url=REVOKE_URL,
quota_project_id=QUOTA_PROJECT_ID,
)
new_creds = creds.with_quota_project(QUOTA_PROJECT_ID)
assert new_creds._audience == creds._audience
assert new_creds._refresh_token == creds._refresh_token
assert new_creds._token_url == creds._token_url
assert new_creds._token_info_url == creds._token_info_url
assert new_creds._client_id == creds._client_id
assert new_creds._client_secret == creds._client_secret
assert new_creds.token == creds.token
assert new_creds.expiry == creds.expiry
assert new_creds._revoke_url == creds._revoke_url
assert new_creds._quota_project_id == QUOTA_PROJECT_ID
def test_with_token_uri(self):
creds = self.make_credentials(
token=ACCESS_TOKEN,
expiry=NOW,
revoke_url=REVOKE_URL,
quota_project_id=QUOTA_PROJECT_ID,
)
new_creds = creds.with_token_uri("https://google.com")
assert new_creds._audience == creds._audience
assert new_creds._refresh_token == creds._refresh_token
assert new_creds._token_url == "https://google.com"
assert new_creds._token_info_url == creds._token_info_url
assert new_creds._client_id == creds._client_id
assert new_creds._client_secret == creds._client_secret
assert new_creds.token == creds.token
assert new_creds.expiry == creds.expiry
assert new_creds._revoke_url == creds._revoke_url
assert new_creds._quota_project_id == creds._quota_project_id
def test_from_file_required_options_only(self, tmpdir):
from_creds = self.make_credentials()
config_file = tmpdir.join("config.json")
config_file.write(from_creds.to_json())
creds = external_account_authorized_user.Credentials.from_file(str(config_file))
assert isinstance(creds, external_account_authorized_user.Credentials)
assert creds.audience == AUDIENCE
assert creds.refresh_token == REFRESH_TOKEN
assert creds.token_url == TOKEN_URL
assert creds.token_info_url == TOKEN_INFO_URL
assert creds.client_id == CLIENT_ID
assert creds.client_secret == CLIENT_SECRET
assert creds.token is None
assert creds.expiry is None
assert creds.scopes is None
assert creds._revoke_url is None
assert creds._quota_project_id is None
def test_from_file_full_options(self, tmpdir):
from_creds = self.make_credentials(
token=ACCESS_TOKEN,
expiry=NOW,
revoke_url=REVOKE_URL,
quota_project_id=QUOTA_PROJECT_ID,
scopes=SCOPES,
)
config_file = tmpdir.join("config.json")
config_file.write(from_creds.to_json())
creds = external_account_authorized_user.Credentials.from_file(str(config_file))
assert isinstance(creds, external_account_authorized_user.Credentials)
assert creds.audience == AUDIENCE
assert creds.refresh_token == REFRESH_TOKEN
assert creds.token_url == TOKEN_URL
assert creds.token_info_url == TOKEN_INFO_URL
assert creds.client_id == CLIENT_ID
assert creds.client_secret == CLIENT_SECRET
assert creds.token == ACCESS_TOKEN
assert creds.expiry == NOW
assert creds.scopes == SCOPES
assert creds._revoke_url == REVOKE_URL
assert creds._quota_project_id == QUOTA_PROJECT_ID