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The UnboundID LDAP SDK for Java is a fast, comprehensive, and easy-to-use
Java API for communicating with LDAP directory servers and performing
related tasks like reading and writing LDIF, encoding and decoding data
using base64 and ASN.1 BER, and performing secure communication. This
package contains the Standard Edition of the LDAP SDK, which is a
complete, general-purpose library for communicating with LDAPv3 directory
servers.
/*
* Copyright 2016-2022 Ping Identity Corporation
* All Rights Reserved.
*/
/*
* Copyright 2016-2022 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) 2016-2022 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();
}
}