| # |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You 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. |
| # |
| from airavata_custos import settings |
| from oauthlib.oauth2 import BackendApplicationClient |
| from requests_oauthlib import OAuth2Session |
| from custos.commons.model.security.ttypes import AuthzToken |
| |
| |
| def get_authorization_token(client_credentials, tenant_id, username=None): |
| """ |
| This method created a authorization token for the user or a service account |
| In case of a service account username will be null |
| :param client_credentials: object of class client_credentials |
| :param tenant_id: gateway id of the client |
| :param username: username of the user for which authorization token is being created |
| :return: AuthzToken |
| """ |
| client = BackendApplicationClient(client_id=client_credentials.client_id) |
| oauth = OAuth2Session(client=client) |
| token = oauth.fetch_token( |
| token_url=settings.token_url, |
| client_id=client_credentials.client_id, |
| client_secret=client_credentials.client_secret, |
| verify=client_credentials.verify_ssl) |
| |
| access_token = token.get('access_token') |
| return AuthzToken( |
| accessToken=access_token, |
| claimsMap={'gatewayID': tenant_id, 'userName': username}) |