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The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model.
/*
* 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.net.InetAddress;
import java.util.Set;
import org.apache.cassandra.config.ParameterizedClass;
import org.apache.cassandra.exceptions.ConfigurationException;
import org.apache.cassandra.metrics.CIDRAuthorizerMetrics;
import org.apache.cassandra.utils.FBUtilities;
/**
* Backend for CIDR authorization feature
*/
public interface ICIDRAuthorizer
{
/**
* Supported modes by CIDR authorizer
*/
public enum CIDRAuthorizerMode
{
MONITOR,
ENFORCE
}
public static ICIDRAuthorizer newCIDRAuthorizer(ParameterizedClass cidrAuthorizer)
{
if (cidrAuthorizer == null || cidrAuthorizer.class_name == null)
{
return new AllowAllCIDRAuthorizer();
}
String className = cidrAuthorizer.class_name;
if (!className.contains("."))
{
className = "org.apache.cassandra.auth." + className;
}
return FBUtilities.construct(className, "cidr authorizer");
}
public void setup();
/**
* Init caches held by CIDR authorizer
*/
public void initCaches();
public CIDRGroupsMappingManager getCidrGroupsMappingManager();
public CIDRAuthorizerMetrics getCidrAuthorizerMetrics();
public boolean requireAuthorization();
/**
* Set CIDR permissions for a given role
* @param role role for which to set CIDR permissions
* @param cidrPermissions CIR permissions to set for the role
*/
public void setCidrGroupsForRole(RoleResource role, CIDRPermissions cidrPermissions);
/**
* Drop CIDR permissions of a role
* @param role for which to drop cidr permissions
*/
public void dropCidrPermissionsForRole(RoleResource role);
/**
* Invalidate given role from CIDR permissions cache
* @param roleName role to invalidate
* @return returns true if given role found in the cache and invalidated, false otherwise
*/
public boolean invalidateCidrPermissionsCache(String roleName);
public void validateConfiguration() throws ConfigurationException;
/**
* Load CIDR groups mapping cache
*/
public void loadCidrGroupsCache();
/**
* Lookup IP in CIDR groups mapping cache
* @param ip input IP to lookup CIDR group
* @return returns best matching CIDR group for this IP
*/
public Set lookupCidrGroupsForIp(InetAddress ip);
/**
* Determines does the given role has access from CIDR groups associated with given IP
* @param role role to check access
* @param ipAddress IP of the client
* @return returns true if role has access from given IP, false otherwise
*/
public boolean hasAccessFromIp(RoleResource role, InetAddress ipAddress);
}
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