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/*
* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
*
* Copyright @ 2015 Atlassian Pty Ltd
*
* Licensed 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 net.java.sip.communicator.impl.ldap;
import java.io.*;
import java.net.*;
import java.security.*;
import javax.net.*;
import net.java.sip.communicator.service.certificate.*;
import net.java.sip.communicator.util.*;
/**
* Utility class to delegate the creation of sockets to LDAP servers to our
* {@link CertificateService}.
* <p>
* Note that the documentation says to extend {@link SocketFactory}, but the
* LDAP directory context tries to create an unconnected socket without a
* hostname first by calling <tt>createSocket</tt>. It would be impossible to
* validate the hostname against the certificate, which leads to an insecure
* communication. It only calls {@link #createSocket(String, int)} when
* <tt>createSocket</tt> is not found
*
* @author Ingo Bauersachs
*/
public class LdapSSLSocketFactoryDelegate
{
/**
* Logger for this class.
*/
private final static Logger logger =
Logger.getLogger(LdapSSLSocketFactoryDelegate.class);
/**
* Get default SSL socket factory delegate.
*
* @return default SSL socket factory delegate.
*/
public static Object getDefault()
{
return new LdapSSLSocketFactoryDelegate();
}
/**
* Creates a socket for the specified destination host and port.
*
* @param host The hostname that the socket connects to.
* @param port The port that the socket connects to.
* @return The created socket.
* @throws IOException
* @throws UnknownHostException When the hostname cannot be resolved to an
* IP address.
*/
public Socket createSocket(String host, int port)
throws IOException,
UnknownHostException
{
try
{
return LdapServiceImpl
.getCertificateService()
.getSSLContext(
LdapServiceImpl.getCertificateService().getTrustManager(
host)).getSocketFactory().createSocket(host, port);
}
catch (GeneralSecurityException e)
{
logger.error(
"unable to create socket through the certificate service", e);
throw new IOException(e.getMessage());
}
}
}
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