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org.eclipse.jetty.http2.server.HTTP2ServerConnectionFactory Maven / Gradle / Ivy
//
// ========================================================================
// Copyright (c) 1995-2017 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.http2.server;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.TimeoutException;
import org.eclipse.jetty.http2.ErrorCode;
import org.eclipse.jetty.http2.HTTP2Cipher;
import org.eclipse.jetty.http2.IStream;
import org.eclipse.jetty.http2.api.Session;
import org.eclipse.jetty.http2.api.Stream;
import org.eclipse.jetty.http2.api.server.ServerSessionListener;
import org.eclipse.jetty.http2.frames.DataFrame;
import org.eclipse.jetty.http2.frames.GoAwayFrame;
import org.eclipse.jetty.http2.frames.HeadersFrame;
import org.eclipse.jetty.http2.frames.PushPromiseFrame;
import org.eclipse.jetty.http2.frames.ResetFrame;
import org.eclipse.jetty.http2.frames.SettingsFrame;
import org.eclipse.jetty.io.EndPoint;
import org.eclipse.jetty.io.EofException;
import org.eclipse.jetty.server.Connector;
import org.eclipse.jetty.server.HttpConfiguration;
import org.eclipse.jetty.server.NegotiatingServerConnection.CipherDiscriminator;
import org.eclipse.jetty.util.Callback;
import org.eclipse.jetty.util.annotation.Name;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
public class HTTP2ServerConnectionFactory extends AbstractHTTP2ServerConnectionFactory implements CipherDiscriminator
{
private static final Logger LOG = Log.getLogger(HTTP2ServerConnectionFactory.class);
public HTTP2ServerConnectionFactory(@Name("config") HttpConfiguration httpConfiguration)
{
super(httpConfiguration);
}
public HTTP2ServerConnectionFactory(@Name("config") HttpConfiguration httpConfiguration, @Name("protocols") String... protocols)
{
super(httpConfiguration,protocols);
}
@Override
protected ServerSessionListener newSessionListener(Connector connector, EndPoint endPoint)
{
return new HTTPServerSessionListener(connector, endPoint);
}
@Override
public boolean isAcceptable(String protocol, String tlsProtocol, String tlsCipher)
{
// Implement 9.2.2 for draft 14
boolean acceptable = "h2-14".equals(protocol) || !(HTTP2Cipher.isBlackListProtocol(tlsProtocol) && HTTP2Cipher.isBlackListCipher(tlsCipher));
if (LOG.isDebugEnabled())
LOG.debug("proto={} tls={} cipher={} 9.2.2-acceptable={}",protocol,tlsProtocol,tlsCipher,acceptable);
return acceptable;
}
protected class HTTPServerSessionListener extends ServerSessionListener.Adapter implements Stream.Listener
{
private final Connector connector;
private final EndPoint endPoint;
public HTTPServerSessionListener(Connector connector, EndPoint endPoint)
{
this.connector = connector;
this.endPoint = endPoint;
}
protected HTTP2ServerConnection getConnection()
{
return (HTTP2ServerConnection)endPoint.getConnection();
}
@Override
public Map onPreface(Session session)
{
Map settings = new HashMap<>();
settings.put(SettingsFrame.HEADER_TABLE_SIZE, getMaxDynamicTableSize());
settings.put(SettingsFrame.INITIAL_WINDOW_SIZE, getInitialStreamRecvWindow());
int maxConcurrentStreams = getMaxConcurrentStreams();
if (maxConcurrentStreams >= 0)
settings.put(SettingsFrame.MAX_CONCURRENT_STREAMS, maxConcurrentStreams);
settings.put(SettingsFrame.MAX_HEADER_LIST_SIZE, getHttpConfiguration().getRequestHeaderSize());
return settings;
}
@Override
public Stream.Listener onNewStream(Stream stream, HeadersFrame frame)
{
getConnection().onNewStream(connector, (IStream)stream, frame);
return this;
}
@Override
public boolean onIdleTimeout(Session session)
{
boolean close = super.onIdleTimeout(session);
if (!close)
return false;
long idleTimeout = getConnection().getEndPoint().getIdleTimeout();
return getConnection().onSessionTimeout(new TimeoutException("Session idle timeout " + idleTimeout + " ms"));
}
@Override
public void onClose(Session session, GoAwayFrame frame, Callback callback)
{
ErrorCode error = ErrorCode.from(frame.getError());
if (error == null)
error = ErrorCode.STREAM_CLOSED_ERROR;
String reason = frame.tryConvertPayload();
if (reason != null && !reason.isEmpty())
reason = " (" + reason + ")";
getConnection().onSessionFailure(new EofException("HTTP/2 " + error + reason), callback);
}
@Override
public void onFailure(Session session, Throwable failure, Callback callback)
{
getConnection().onSessionFailure(failure, callback);
}
@Override
public void onHeaders(Stream stream, HeadersFrame frame)
{
if (frame.isEndStream())
getConnection().onTrailers((IStream)stream, frame);
else
close(stream, "invalid_trailers");
}
@Override
public Stream.Listener onPush(Stream stream, PushPromiseFrame frame)
{
// Servers do not receive pushes.
close(stream, "push_promise");
return null;
}
@Override
public void onData(Stream stream, DataFrame frame, Callback callback)
{
getConnection().onData((IStream)stream, frame, callback);
}
@Override
public void onReset(Stream stream, ResetFrame frame)
{
ErrorCode error = ErrorCode.from(frame.getError());
if (error == null)
error = ErrorCode.CANCEL_STREAM_ERROR;
getConnection().onStreamFailure((IStream)stream, new EofException("HTTP/2 " + error), Callback.NOOP);
}
@Override
public boolean onIdleTimeout(Stream stream, Throwable x)
{
return getConnection().onStreamTimeout((IStream)stream, x);
}
private void close(Stream stream, String reason)
{
stream.getSession().close(ErrorCode.PROTOCOL_ERROR.code, reason, Callback.NOOP);
}
}
}