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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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