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Palantir open source project
/*
* 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.
*/
package org.apache.cassandra.auth;
import java.util.Set;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.exceptions.RequestExecutionException;
import org.apache.cassandra.exceptions.UnauthorizedException;
public class Roles
{
private static final Logger logger = LoggerFactory.getLogger(Roles.class);
private static final RolesCache cache = new RolesCache(DatabaseDescriptor.getRoleManager());
/**
* Get all roles granted to the supplied Role, including both directly granted
* and inherited roles.
* The returned roles may be cached if roles_validity_in_ms > 0
*
* @param primaryRole the Role
* @return set of all granted Roles for the primary Role
*/
public static Set getRoles(RoleResource primaryRole)
{
return cache.getRoles(primaryRole);
}
/**
* Returns true if the supplied role or any other role granted to it
* (directly or indirectly) has superuser status.
*
* @param role the primary role
* @return true if the role has superuser status, false otherwise
*/
public static boolean hasSuperuserStatus(RoleResource role)
{
try
{
IRoleManager roleManager = DatabaseDescriptor.getRoleManager();
for (RoleResource r : cache.getRoles(role))
if (roleManager.isSuper(r))
return true;
return false;
}
catch (RequestExecutionException e)
{
logger.debug("Failed to authorize {} for super-user permission", role.getRoleName());
throw new UnauthorizedException("Unable to perform authorization of super-user permission: " + e.getMessage(), e);
}
}
}