/*
* 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.lenya.cms.ac.usecases;
import java.net.InetAddress;
import java.util.ArrayList;
import java.util.List;
import org.apache.lenya.ac.IPRange;
import org.apache.lenya.cms.usecase.AbstractUsecase;
/**
* Usecase to change the profile of an IP range.
*/
public class IPRangeProfile extends AccessControlUsecase {
protected static final String ID = "ipRangeId";
protected static final String NAME = "name";
protected static final String DESCRIPTION = "description";
protected static final String NETWORK_ADDRESS = "networkAddress";
protected static final String SUBNET_MASK = "subnetMask";
protected static final String PART_NUMBERS = "partNumbers";
/**
* @see org.apache.lenya.cms.usecase.AbstractUsecase#doCheckExecutionConditions()
*/
protected void doCheckExecutionConditions() throws Exception {
IPRangeProfile.validateAddresses(this);
}
/**
* @see org.apache.lenya.cms.usecase.AbstractUsecase#doExecute()
*/
protected void doExecute() throws Exception {
super.doExecute();
String name = getParameterAsString(NAME);
String description = getParameterAsString(DESCRIPTION);
IPRange ipRange = getIPRange();
ipRange.setName(name);
ipRange.setDescription(description);
StringBuffer networkBuffer = new StringBuffer();
StringBuffer subnetBuffer = new StringBuffer();
for (int i = 0; i < 4; i++) {
if (i > 0) {
networkBuffer.append(".");
subnetBuffer.append(".");
}
Part netPart = (Part) getParameter(IPRangeProfile.NETWORK_ADDRESS + "-" + i);
networkBuffer.append(netPart.getValue());
Part subPart = (Part) getParameter(IPRangeProfile.SUBNET_MASK + "-" + i);
subnetBuffer.append(subPart.getValue());
}
InetAddress networkAddress = InetAddress.getByName(networkBuffer.toString());
ipRange.setNetworkAddress(networkAddress.getAddress());
InetAddress subnetMask = InetAddress.getByName(subnetBuffer.toString());
ipRange.setSubnetMask(subnetMask.getAddress());
ipRange.save();
}
private IPRange ipRange;
/**
* @return The IP range.
*/
protected IPRange getIPRange() {
return this.ipRange;
}
/**
* @see org.apache.lenya.cms.usecase.Usecase#setParameter(java.lang.String,
* java.lang.Object)
*/
public void setParameter(String name, Object value) {
super.setParameter(name, value);
if (name.equals(ID)) {
String id = (String) value;
this.ipRange = getIpRangeManager().getIPRange(id);
if (this.ipRange == null) {
throw new RuntimeException("IP range [" + id + "] not found.");
}
setParameter(NAME, this.ipRange.getName());
setParameter(DESCRIPTION, this.ipRange.getDescription());
InetAddress networkAddress = this.ipRange.getNetworkAddress();
InetAddress subnetMask = this.ipRange.getSubnetMask();
List partNumbers = new ArrayList();
for (byte i = 0; i < 4; i++) {
String addrPart = Integer.toString(0xFF & networkAddress.getAddress()[i]);
setParameter(NETWORK_ADDRESS + "-" + i, new Part(i, addrPart));
String maskPart = Integer.toString(0xFF & subnetMask.getAddress()[i]);
setParameter(SUBNET_MASK + "-" + i, new Part(i, maskPart));
partNumbers.add(new Integer(i));
}
setParameter(IPRangeProfile.PART_NUMBERS, partNumbers);
}
}
protected static void validateAddresses(AbstractUsecase usecase) {
String[] names = { "network address", "subnet mask" };
String[] params = { IPRangeProfile.NETWORK_ADDRESS, IPRangeProfile.SUBNET_MASK };
for (byte type = 0; type < names.length; type++) {
for (byte i = 0; i < 4; i++) {
String paramName = params[type] + "-" + i;
Part part = new Part(i);
part.setValue(usecase.getParameterAsString(paramName));
if (!part.isValid()) {
String[] parameters = { Integer.toString(i + 1), names[type] };
usecase.addErrorMessage("invalid-ip-address-part", parameters);
}
usecase.setParameter(paramName, part);
}
}
}
/**
* IP address part holder.
*/
public static class Part {
private String value;
private byte position;
/**
* Ctor.
* @param _position The position.
* @param _value The value.
*/
public Part(byte _position, String _value) {
this.value = _value;
this.position = _position;
}
/**
* Ctor.
* @param _position The position.
*/
public Part(byte _position) {
this(_position, "0");
}
/**
* Returns the position
* @return The position
*/
public byte getPosition() {
return this.position;
}
/**
* Returns the value
* @return The value
*/
public String getValue() {
return this.value;
}
/**
* @param _value The value.
*/
public void setValue(String _value) {
this.value = _value;
}
/**
* Checks if the part is valid.
* @return A boolean value.
*/
public boolean isValid() {
boolean valid = true;
try {
int i = Integer.parseInt(this.value);
if (!(0 <= i && i <= 255)) {
valid = false;
}
} catch (NumberFormatException e) {
valid = false;
}
return valid;
}
}
}