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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.auth.sasl.crammd5;
import org.apache.qpid.server.security.auth.database.PrincipalDatabase;
import org.apache.qpid.server.security.auth.sasl.AuthenticationProviderInitialiser;
import org.apache.qpid.server.security.auth.sasl.UsernamePasswordInitialiser;
import javax.security.auth.callback.PasswordCallback;
import javax.security.auth.login.AccountNotFoundException;
import javax.security.sasl.SaslServerFactory;
import java.io.IOException;
import java.security.Principal;
import java.util.List;
import java.util.Map;
public class CRAMMD5HexInitialiser extends UsernamePasswordInitialiser
{
public String getMechanismName()
{
return CRAMMD5HexSaslServer.MECHANISM;
}
public Class<? extends SaslServerFactory> getServerFactoryClassForJCARegistration()
{
return CRAMMD5HexServerFactory.class;
}
public Map<String, ?> getProperties()
{
return null;
}
public void initialise(PrincipalDatabase db)
{
super.initialise(new HexifyPrincipalDatabase(db));
}
private static class HexifyPrincipalDatabase implements PrincipalDatabase
{
private PrincipalDatabase _realPricipalDatabase;
HexifyPrincipalDatabase(PrincipalDatabase db)
{
_realPricipalDatabase = db;
}
private char[] toHex(char[] password)
{
StringBuilder sb = new StringBuilder();
for (char c : password)
{
//toHexString does not prepend 0 so we have to
if (((byte) c > -1) && (byte) c < 0x10 )
{
sb.append(0);
}
sb.append(Integer.toHexString(c & 0xFF));
}
//Extract the hex string as char[]
char[] hex = new char[sb.length()];
sb.getChars(0, sb.length(), hex, 0);
return hex;
}
public void setPassword(Principal principal, PasswordCallback callback) throws IOException, AccountNotFoundException
{
//Let the read DB set the password
_realPricipalDatabase.setPassword(principal, callback);
//Retrieve the setpassword
char[] plainPassword = callback.getPassword();
char[] hexPassword = toHex(plainPassword);
callback.setPassword(hexPassword);
}
// Simply delegate to the real PrincipalDB
public boolean verifyPassword(String principal, char[] password) throws AccountNotFoundException
{
return _realPricipalDatabase.verifyPassword(principal, password);
}
public boolean updatePassword(Principal principal, char[] password) throws AccountNotFoundException
{
return _realPricipalDatabase.updatePassword(principal, password);
}
public boolean createPrincipal(Principal principal, char[] password)
{
return _realPricipalDatabase.createPrincipal(principal, password);
}
public boolean deletePrincipal(Principal principal) throws AccountNotFoundException
{
return _realPricipalDatabase.deletePrincipal(principal);
}
public Principal getUser(String username)
{
return _realPricipalDatabase.getUser(username);
}
public Map<String, AuthenticationProviderInitialiser> getMechanisms()
{
return _realPricipalDatabase.getMechanisms();
}
public List<Principal> getUsers()
{
return _realPricipalDatabase.getUsers();
}
public void reload() throws IOException
{
_realPricipalDatabase.reload();
}
}
}
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