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/*
* Copyright 2015-2017 UnboundID Corp.
* All Rights Reserved.
*/
/*
* Copyright (C) 2015-2017 UnboundID Corp.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License (GPLv2 only)
* or the terms of the GNU Lesser General Public License (LGPLv2.1 only)
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see .
*/
package com.unboundid.util.ssl;
import java.io.IOException;
import java.net.InetAddress;
import java.net.Socket;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import javax.net.ssl.SSLSocketFactory;
import com.unboundid.util.InternalUseOnly;
import com.unboundid.util.NotMutable;
import com.unboundid.util.ThreadSafety;
import com.unboundid.util.ThreadSafetyLevel;
/**
* This class provides an implementation of an {@code SSLSocketFactory} that
* will update the set of enabled protocols as soon as the socket is connected.
* Note that although not all socket factory implementations are threadsafe,
* the LDAP SDK will only use this factory in a way that is threadsafe.
*/
@InternalUseOnly()
@NotMutable()
@ThreadSafety(level=ThreadSafetyLevel.MOSTLY_THREADSAFE)
final class SetEnabledProtocolsSSLSocketFactory
extends SSLSocketFactory
{
// The set of protocols that should be enabled for sockets created by this
// socket factory.
private final Set protocols;
// The SSL socket factory to which most of the work will be delegated.
private final SSLSocketFactory delegateFactory;
/**
* Creates a new instance of this socket factory with the provided
* information.
*
* @param delegateFactory The SSL socket factory to which most processing
* will be delegated.
* @param defaultProtocol The default protocol to use.
*/
SetEnabledProtocolsSSLSocketFactory(final SSLSocketFactory delegateFactory,
final String defaultProtocol)
{
this.delegateFactory = delegateFactory;
if (defaultProtocol.equalsIgnoreCase("TLSv1.2"))
{
protocols = new HashSet(
Arrays.asList("TLSv1.2", "TLSv1.1", "TLSv1"));
}
else if (defaultProtocol.equalsIgnoreCase("TLSv1.1"))
{
protocols = new HashSet(Arrays.asList("TLSv1.1", "TLSv1"));
}
else if (defaultProtocol.equalsIgnoreCase("TLSv1"))
{
protocols = new HashSet(Collections.singletonList("TLSv1"));
}
else
{
// This will cause the socket to just use its default set of protocols.
protocols = Collections.emptySet();
}
}
/**
* Creates a new instance of this socket factory with the provided
* information.
*
* @param delegateFactory The SSL socket factory to which most processing
* will be delegated.
* @param protocols The protocols to be enabled on sockets created by
* this socket factory.
*/
SetEnabledProtocolsSSLSocketFactory(final SSLSocketFactory delegateFactory,
final Set protocols)
{
this.delegateFactory = delegateFactory;
this.protocols = protocols;
}
/**
* Creates a new unconnected socket.
*
* @return The socket that was created.
*
* @throws IOException If the socket cannot be created.
*/
@Override()
public Socket createSocket()
throws IOException
{
return new SetEnabledProtocolsSocket(delegateFactory.createSocket(),
protocols);
}
/**
* Creates a new socket with the provided information.
*
* @param host The remote address to which the socket should be connected.
* @param port The remote port to which the socket should be connected.
*
* @return The socket that was created.
*
* @throws IOException If the socket cannot be created.
*/
@Override()
public Socket createSocket(final String host, final int port)
throws IOException
{
final Socket createdSocket =
delegateFactory.createSocket(host, port);
SSLUtil.applyEnabledSSLProtocols(createdSocket, protocols);
return createdSocket;
}
/**
* Creates a new socket with the provided information.
*
* @param host The remote address to which the socket should be
* connected.
* @param port The remote port to which the socket should be
* connected.
* @param localHost The local address to which the socket should be
* connected.
* @param localPort The local port to which the socket should be connected.
*
* @return The socket that was created.
*
* @throws IOException If the socket cannot be created.
*/
@Override()
public Socket createSocket(final String host, final int port,
final InetAddress localHost, final int localPort)
throws IOException
{
final Socket createdSocket =
delegateFactory.createSocket(host, port, localHost, localPort);
SSLUtil.applyEnabledSSLProtocols(createdSocket, protocols);
return createdSocket;
}
/**
* Creates a new socket with the provided information.
*
* @param host The remote address to which the socket should be connected.
* @param port The remote port to which the socket should be connected.
*
* @return The socket that was created.
*
* @throws IOException If the socket cannot be created.
*/
@Override()
public Socket createSocket(final InetAddress host, final int port)
throws IOException
{
final Socket createdSocket =
delegateFactory.createSocket(host, port);
SSLUtil.applyEnabledSSLProtocols(createdSocket, protocols);
return createdSocket;
}
/**
* Creates a new socket with the provided information.
*
* @param host The remote address to which the socket should be
* connected.
* @param port The remote port to which the socket should be
* connected.
* @param localHost The local address to which the socket should be
* connected.
* @param localPort The local port to which the socket should be connected.
*
* @return The socket that was created.
*
* @throws IOException If the socket cannot be created.
*/
@Override()
public Socket createSocket(final InetAddress host, final int port,
final InetAddress localHost, final int localPort)
throws IOException
{
final Socket createdSocket =
delegateFactory.createSocket(host, port, localHost, localPort);
SSLUtil.applyEnabledSSLProtocols(createdSocket, protocols);
return createdSocket;
}
/**
* Creates a new socket that adds TLS protection to the provided socket.
*
* @param s The socket to use to create the {@code SSLSocket}.
* @param host The host to which the socket is connected.
* @param port The port to which the socket is connected.
* @param autoClose Indicates whether to close the underlying socket when
* the {@code SSLSocket} is closed.
*
* @return The socket that was created.
*
* @throws IOException If a problem is encountered while creating the
* socket.
*/
@Override()
public Socket createSocket(final Socket s, final String host, final int port,
final boolean autoClose)
throws IOException
{
final Socket createdSocket =
delegateFactory.createSocket(s, host, port, autoClose);
SSLUtil.applyEnabledSSLProtocols(createdSocket, protocols);
return createdSocket;
}
/**
* Retrieves the set of cipher suites that are enabled by default.
*
* @return The set of cipher suites that are enabled by default.
*/
@Override()
public String[] getDefaultCipherSuites()
{
return delegateFactory.getDefaultCipherSuites();
}
/**
* Retrieves the set of cipher suites that could be enabled.
*
* @return The set of cipher suites that could be enabled.
*/
@Override()
public String[] getSupportedCipherSuites()
{
return delegateFactory.getSupportedCipherSuites();
}
}
