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/*
* Copyright 2016-2024 Ping Identity Corporation
* All Rights Reserved.
*/
/*
* Copyright 2016-2024 Ping Identity Corporation
*
* 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.
*/
/*
* Copyright (C) 2016-2024 Ping Identity Corporation
*
* 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.ServerSocket;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import javax.net.ssl.SSLServerSocketFactory;
import com.unboundid.util.InternalUseOnly;
import com.unboundid.util.NotMutable;
import com.unboundid.util.NotNull;
import com.unboundid.util.ThreadSafety;
import com.unboundid.util.ThreadSafetyLevel;
/**
* This class provides an implementation of an {@code SSLServerSocketFactory}
* that will update the set of enabled protocols and cipher suites for a
* {@code ServerSocket} upon creating the socket. Note that although not all
* server 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 SetEnabledProtocolsAndCipherSuitesSSLServerSocketFactory
extends SSLServerSocketFactory
{
// The set of cipher suites that should be enabled for server sockets created
// by this socket factory.
@NotNull private final Set cipherSuites;
// The set of protocols that should be enabled for server sockets created by
// this socket factory.
@NotNull private final Set protocols;
// The SSL server socket factory to which most of the work will be delegated.
@NotNull private final SSLServerSocketFactory delegateFactory;
/**
* Creates a new instance of this server socket factory with the provided
* information.
*
* @param delegateFactory The SSL server socket factory to which most
* processing will be delegated.
* @param defaultProtocol The default protocol to use.
* @param cipherSuites The cipher suites to be enabled on sockets created
* by this socket factory.
*/
SetEnabledProtocolsAndCipherSuitesSSLServerSocketFactory(
@NotNull final SSLServerSocketFactory delegateFactory,
@NotNull final String defaultProtocol,
@NotNull final Set cipherSuites)
{
this.delegateFactory = delegateFactory;
this.cipherSuites = cipherSuites;
if (defaultProtocol.equalsIgnoreCase(SSLUtil.SSL_PROTOCOL_TLS_1_3))
{
protocols = new HashSet<>(Arrays.asList(SSLUtil.SSL_PROTOCOL_TLS_1_3,
SSLUtil.SSL_PROTOCOL_TLS_1_2));
}
else if (defaultProtocol.equalsIgnoreCase(SSLUtil.SSL_PROTOCOL_TLS_1_2))
{
protocols = new HashSet<>(Collections.singletonList(
SSLUtil.SSL_PROTOCOL_TLS_1_2));
}
else if (defaultProtocol.equalsIgnoreCase(SSLUtil.SSL_PROTOCOL_TLS_1_1))
{
protocols = new HashSet<>(Arrays.asList(SSLUtil.SSL_PROTOCOL_TLS_1_1,
SSLUtil.SSL_PROTOCOL_TLS_1));
}
else if (defaultProtocol.equalsIgnoreCase(SSLUtil.SSL_PROTOCOL_TLS_1))
{
protocols = new HashSet<>(Collections.singletonList(
SSLUtil.SSL_PROTOCOL_TLS_1));
}
else
{
// This will cause the socket to just use its default set of protocols.
protocols = Collections.emptySet();
}
}
/**
* Creates a new instance of this server socket factory with the provided
* information.
*
* @param delegateFactory The SSL server socket factory to which most
* processing will be delegated.
* @param protocols The protocols to be enabled on sockets created by
* this socket factory.
* @param cipherSuites The cipher suites to be enabled on sockets created
* by this socket factory.
*/
SetEnabledProtocolsAndCipherSuitesSSLServerSocketFactory(
@NotNull final SSLServerSocketFactory delegateFactory,
@NotNull final Set protocols,
@NotNull final Set cipherSuites)
{
this.delegateFactory = delegateFactory;
this.protocols = protocols;
this.cipherSuites = cipherSuites;
}
/**
* Creates a new unbound SSL server socket.
*
* @return The SSL server socket that was created.
*
* @throws IOException If a problem is encountered while creating the server
* socket.
*/
@Override()
@NotNull()
public ServerSocket createServerSocket()
throws IOException
{
final ServerSocket serverSocket = delegateFactory.createServerSocket();
SSLUtil.applyEnabledSSLProtocols(serverSocket, protocols);
SSLUtil.applyEnabledSSLCipherSuites(serverSocket, cipherSuites);
return serverSocket;
}
/**
* Creates a new SSL server socket that is bound to the specified port.
*
* @param port The port to which the SSL server socket should be bound.
*
* @return The SSL server socket that was created.
*
* @throws IOException If a problem is encountered while creating the server
* socket.
*/
@Override()
@NotNull()
public ServerSocket createServerSocket(final int port)
throws IOException
{
final ServerSocket serverSocket = delegateFactory.createServerSocket(port);
SSLUtil.applyEnabledSSLProtocols(serverSocket, protocols);
SSLUtil.applyEnabledSSLCipherSuites(serverSocket, cipherSuites);
return serverSocket;
}
/**
* Creates a new SSL server socket that is bound to the specified port.
*
* @param port The port to which the SSL server socket should be bound.
* @param backlog The desired backlog size (i.e., the maximum number of
* outstanding connection requests to support at any given
* time) for the server socket.
*
* @return The SSL server socket that was created.
*
* @throws IOException If a problem is encountered while creating the server
* socket.
*/
@Override()
@NotNull()
public ServerSocket createServerSocket(final int port, final int backlog)
throws IOException
{
final ServerSocket serverSocket =
delegateFactory.createServerSocket(port, backlog);
SSLUtil.applyEnabledSSLProtocols(serverSocket, protocols);
SSLUtil.applyEnabledSSLCipherSuites(serverSocket, cipherSuites);
return serverSocket;
}
/**
* Creates a new SSL server socket that is bound to the specified port.
*
* @param port The port to which the SSL server socket should be bound.
* @param backlog The desired backlog size (i.e., the maximum number of
* outstanding connection requests to support at any given
* time) for the server socket.
* @param ifAddress The network address ot which the SSL server socket
* should be bound.
*
* @return The SSL server socket that was created.
*
* @throws IOException If a problem is encountered while creating the server
* socket.
*/
@Override()
@NotNull()
public ServerSocket createServerSocket(final int port, final int backlog,
@NotNull final InetAddress ifAddress)
throws IOException
{
final ServerSocket serverSocket =
delegateFactory.createServerSocket(port, backlog, ifAddress);
SSLUtil.applyEnabledSSLProtocols(serverSocket, protocols);
SSLUtil.applyEnabledSSLCipherSuites(serverSocket, cipherSuites);
return serverSocket;
}
/**
* Retrieves the set of cipher suites that are enabled by default.
*
* @return The set of cipher suites that are enabled by default.
*/
@Override()
@NotNull()
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()
@NotNull()
public String[] getSupportedCipherSuites()
{
return delegateFactory.getSupportedCipherSuites();
}
}
