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/*-
* ============LICENSE_START=======================================================
* 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.
* ============LICENSE_END=========================================================
*/
package com.woorea.openstack.keystone.utils;
import com.woorea.openstack.base.client.OpenStackTokenProvider;
import com.woorea.openstack.keystone.Keystone;
import com.woorea.openstack.keystone.model.Access;
import com.woorea.openstack.keystone.model.authentication.UsernamePassword;
import java.util.concurrent.ConcurrentHashMap;
public class KeystoneTokenProvider {
protected Keystone keystone;
protected String username;
protected String password;
protected ConcurrentHashMap<String, Access> hashTenantAccess;
public KeystoneTokenProvider(String endpoint, String username, String password) {
keystone = new Keystone(endpoint);
this.username = username;
this.password = password;
hashTenantAccess = new ConcurrentHashMap<>();
}
public Access getAccessByTenant(String tenantName) {
Access access = hashTenantAccess.get(tenantName);
if (access == null) {
access = keystone.tokens().authenticate(new UsernamePassword(username, password))
.withTenantName(tenantName)
.execute();
hashTenantAccess.put(tenantName, access);
}
return access;
}
public void expireAccessByTenant(String tenantName) {
hashTenantAccess.remove(tenantName);
}
public OpenStackTokenProvider getProviderByTenant(final String tenantName) {
final KeystoneTokenProvider keystoneTokenProvider = this;
return new OpenStackTokenProvider() {
@Override
public String getToken() {
return keystoneTokenProvider.getAccessByTenant(tenantName)
.getToken().getId();
}
@Override
public void expireToken() {
keystoneTokenProvider.expireAccessByTenant(tenantName);
}
};
}
}
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