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/*
* 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.qpid.server.security.access.firewall;
import java.net.InetAddress;
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.HashCodeBuilder;
import org.apache.commons.lang.builder.ToStringBuilder;
import org.apache.commons.lang.builder.ToStringStyle;
import org.apache.log4j.Logger;
public class NetworkFirewallRule implements FirewallRule
{
private static final Logger _logger = Logger.getLogger(NetworkFirewallRule.class);
private List<InetNetwork> _networks;
public NetworkFirewallRule(String... networks)
{
_networks = new ArrayList<InetNetwork>();
for (int i = 0; i < networks.length; i++)
{
String network = networks[i];
try
{
InetNetwork inetNetwork = InetNetwork.getFromString(network);
if (!_networks.contains(inetNetwork))
{
_networks.add(inetNetwork);
}
}
catch (java.net.UnknownHostException uhe)
{
_logger.error("Cannot resolve address: " + network, uhe);
}
}
if(_logger.isDebugEnabled())
{
_logger.debug("Created " + this);
}
}
@Override
public boolean matches(InetAddress ip)
{
for (InetNetwork network : _networks)
{
if (network.contains(ip))
{
if(_logger.isDebugEnabled())
{
_logger.debug("Client address " + ip + " matches configured network " + network);
}
return true;
}
}
if(_logger.isDebugEnabled())
{
_logger.debug("Client address " + ip + " does not match any configured networks");
}
return false;
}
@Override
public int hashCode()
{
return new HashCodeBuilder().append(_networks).toHashCode();
}
@Override
public boolean equals(Object obj)
{
if (obj == null)
{
return false;
}
if (obj == this)
{
return true;
}
if (obj.getClass() != getClass())
{
return false;
}
NetworkFirewallRule rhs = (NetworkFirewallRule) obj;
return new EqualsBuilder().append(_networks, rhs._networks).isEquals();
}
@Override
public String toString()
{
return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE)
.append(_networks).toString();
}
}
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