/*
* ====================================================================
* 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.http.impl.nio;
import java.io.IOException;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLException;
import org.apache.http.HttpRequest;
import org.apache.http.HttpRequestFactory;
import org.apache.http.impl.DefaultHttpRequestFactory;
import org.apache.http.impl.nio.reactor.SSLIOSession;
import org.apache.http.impl.nio.reactor.SSLIOSessionHandler;
import org.apache.http.impl.nio.reactor.SSLMode;
import org.apache.http.nio.NHttpServerIOTarget;
import org.apache.http.nio.NHttpServiceHandler;
import org.apache.http.nio.reactor.IOEventDispatch;
import org.apache.http.nio.reactor.IOSession;
import org.apache.http.nio.util.ByteBufferAllocator;
import org.apache.http.nio.util.HeapByteBufferAllocator;
import org.apache.http.params.HttpParams;
import org.apache.http.protocol.ExecutionContext;
/**
* Default implementation of {@link IOEventDispatch} interface for SSL
* (encrypted) server-side HTTP connections.
* <p>
* The following parameters can be used to customize the behavior of this
* class:
* <ul>
* <li>{@link org.apache.http.params.CoreProtocolPNames#HTTP_ELEMENT_CHARSET}</li>
* <li>{@link org.apache.http.params.CoreConnectionPNames#SOCKET_BUFFER_SIZE}</li>
* <li>{@link org.apache.http.params.CoreConnectionPNames#MAX_HEADER_COUNT}</li>
* <li>{@link org.apache.http.params.CoreConnectionPNames#MAX_LINE_LENGTH}</li>
* </ul>
*
* @since 4.0
*
* @deprecated use {@link org.apache.http.impl.nio.ssl.SSLServerIOEventDispatch}
*/
@Deprecated
public class SSLServerIOEventDispatch implements IOEventDispatch {
private static final String SSL_SESSION = "SSL_SESSION";
protected final NHttpServiceHandler handler;
protected final SSLContext sslcontext;
protected final SSLIOSessionHandler sslHandler;
protected final HttpParams params;
/**
* Creates a new instance of this class to be used for dispatching I/O event
* notifications to the given protocol handler using the given
* {@link SSLContext}. This I/O dispatcher will transparently handle SSL
* protocol aspects for HTTP connections.
*
* @param handler the server protocol handler.
* @param sslcontext the SSL context.
* @param sslHandler the SSL handler.
* @param params HTTP parameters.
*/
public SSLServerIOEventDispatch(
final NHttpServiceHandler handler,
final SSLContext sslcontext,
final SSLIOSessionHandler sslHandler,
final HttpParams params) {
super();
if (handler == null) {
throw new IllegalArgumentException("HTTP service handler may not be null");
}
if (sslcontext == null) {
throw new IllegalArgumentException("SSL context may not be null");
}
if (params == null) {
throw new IllegalArgumentException("HTTP parameters may not be null");
}
this.handler = handler;
this.params = params;
this.sslcontext = sslcontext;
this.sslHandler = sslHandler;
}
/**
* Creates a new instance of this class to be used for dispatching I/O event
* notifications to the given protocol handler using the given
* {@link SSLContext}. This I/O dispatcher will transparently handle SSL
* protocol aspects for HTTP connections.
*
* @param handler the server protocol handler.
* @param sslcontext the SSL context.
* @param params HTTP parameters.
*/
public SSLServerIOEventDispatch(
final NHttpServiceHandler handler,
final SSLContext sslcontext,
final HttpParams params) {
this(handler, sslcontext, null, params);
}
/**
* Creates an instance of {@link HeapByteBufferAllocator} to be used
* by HTTP connections for allocating {@link java.nio.ByteBuffer} objects.
* <p>
* This method can be overridden in a super class in order to provide
* a different implementation of the {@link ByteBufferAllocator} interface.
*
* @return byte buffer allocator.
*/
protected ByteBufferAllocator createByteBufferAllocator() {
return new HeapByteBufferAllocator();
}
/**
* Creates an instance of {@link DefaultHttpRequestFactory} to be used
* by HTTP connections for creating {@link HttpRequest} objects.
* <p>
* This method can be overridden in a super class in order to provide
* a different implementation of the {@link HttpRequestFactory} interface.
*
* @return HTTP request factory.
*/
protected HttpRequestFactory createHttpRequestFactory() {
return new DefaultHttpRequestFactory();
}
/**
* Creates an instance of {@link DefaultNHttpServerConnection} based on the
* given {@link IOSession}.
* <p>
* This method can be overridden in a super class in order to provide
* a different implementation of the {@link NHttpServerIOTarget} interface.
*
* @param session the underlying SSL I/O session.
*
* @return newly created HTTP connection.
*/
protected NHttpServerIOTarget createConnection(final IOSession session) {
return new DefaultNHttpServerConnection(
session,
createHttpRequestFactory(),
createByteBufferAllocator(),
this.params);
}
/**
* Creates an instance of {@link SSLIOSession} decorating the given
* {@link IOSession}.
* <p>
* This method can be overridden in a super class in order to provide
* a different implementation of SSL I/O session.
*
* @param session the underlying I/O session.
* @param sslcontext the SSL context.
* @param sslHandler the SSL handler.
* @return newly created SSL I/O session.
*/
protected SSLIOSession createSSLIOSession(
final IOSession session,
final SSLContext sslcontext,
final SSLIOSessionHandler sslHandler) {
return new SSLIOSession(session, sslcontext, sslHandler);
}
public void connected(final IOSession session) {
SSLIOSession sslSession = createSSLIOSession(
session,
this.sslcontext,
this.sslHandler);
NHttpServerIOTarget conn = createConnection(
sslSession);
session.setAttribute(ExecutionContext.HTTP_CONNECTION, conn);
session.setAttribute(SSL_SESSION, sslSession);
this.handler.connected(conn);
try {
sslSession.bind(SSLMode.SERVER, this.params);
} catch (SSLException ex) {
this.handler.exception(conn, ex);
sslSession.shutdown();
}
}
public void disconnected(final IOSession session) {
NHttpServerIOTarget conn =
(NHttpServerIOTarget) session.getAttribute(ExecutionContext.HTTP_CONNECTION);
if (conn != null) {
this.handler.closed(conn);
}
}
public void inputReady(final IOSession session) {
NHttpServerIOTarget conn =
(NHttpServerIOTarget) session.getAttribute(ExecutionContext.HTTP_CONNECTION);
SSLIOSession sslSession =
(SSLIOSession) session.getAttribute(SSL_SESSION);
try {
if (sslSession.isAppInputReady()) {
conn.consumeInput(this.handler);
}
sslSession.inboundTransport();
} catch (IOException ex) {
this.handler.exception(conn, ex);
sslSession.shutdown();
}
}
public void outputReady(final IOSession session) {
NHttpServerIOTarget conn =
(NHttpServerIOTarget) session.getAttribute(ExecutionContext.HTTP_CONNECTION);
SSLIOSession sslSession =
(SSLIOSession) session.getAttribute(SSL_SESSION);
try {
if (sslSession.isAppOutputReady()) {
conn.produceOutput(this.handler);
}
sslSession.outboundTransport();
} catch (IOException ex) {
this.handler.exception(conn, ex);
sslSession.shutdown();
}
}
public void timeout(final IOSession session) {
NHttpServerIOTarget conn =
(NHttpServerIOTarget) session.getAttribute(ExecutionContext.HTTP_CONNECTION);
SSLIOSession sslSession =
(SSLIOSession) session.getAttribute(SSL_SESSION);
this.handler.timeout(conn);
synchronized (sslSession) {
if (sslSession.isOutboundDone() && !sslSession.isInboundDone()) {
// The session failed to cleanly terminate
sslSession.shutdown();
}
}
}
}