| // |
| // ======================================================================== |
| // Copyright (c) 1995-2016 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 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.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.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); |
| } |
| |
| protected HTTP2ServerConnectionFactory(@Name("config") HttpConfiguration httpConfiguration,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) |
| { |
| // TODO remove this draft 14 protection |
| // Implement 9.2.2 |
| 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; |
| } |
| |
| private 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; |
| } |
| |
| private HTTP2ServerConnection getConnection() |
| { |
| return (HTTP2ServerConnection)endPoint.getConnection(); |
| } |
| |
| @Override |
| public Map<Integer, Integer> onPreface(Session session) |
| { |
| Map<Integer, Integer> settings = new HashMap<>(); |
| settings.put(SettingsFrame.HEADER_TABLE_SIZE, getMaxDynamicTableSize()); |
| settings.put(SettingsFrame.INITIAL_WINDOW_SIZE, getInitialStreamSendWindow()); |
| int maxConcurrentStreams = getMaxConcurrentStreams(); |
| if (maxConcurrentStreams >= 0) |
| settings.put(SettingsFrame.MAX_CONCURRENT_STREAMS, maxConcurrentStreams); |
| return settings; |
| } |
| |
| @Override |
| public Stream.Listener onNewStream(Stream stream, HeadersFrame frame) |
| { |
| getConnection().onNewStream(connector, (IStream)stream, frame); |
| return frame.isEndStream() ? null : this; |
| } |
| |
| @Override |
| public void onHeaders(Stream stream, HeadersFrame frame) |
| { |
| // Servers do not receive responses. |
| close(stream, "response_headers"); |
| } |
| |
| @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) |
| { |
| // TODO: |
| } |
| |
| @Override |
| public void onTimeout(Stream stream, Throwable x) |
| { |
| // TODO |
| } |
| |
| private void close(Stream stream, String reason) |
| { |
| final Session session = stream.getSession(); |
| session.close(ErrorCode.PROTOCOL_ERROR.code, reason, Callback.NOOP); |
| } |
| } |
| |
| } |