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1   /*
2    * Copyright 2022 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   https://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  package io.netty.example.http2.file;
17  
18  import io.netty.bootstrap.ServerBootstrap;
19  import io.netty.channel.Channel;
20  import io.netty.channel.EventLoopGroup;
21  import io.netty.channel.MultiThreadIoEventLoopGroup;
22  import io.netty.channel.nio.NioIoHandler;
23  import io.netty.channel.socket.nio.NioServerSocketChannel;
24  import io.netty.handler.codec.http2.Http2SecurityUtil;
25  import io.netty.handler.logging.LogLevel;
26  import io.netty.handler.logging.LoggingHandler;
27  import io.netty.handler.ssl.ApplicationProtocolConfig;
28  import io.netty.handler.ssl.ApplicationProtocolNames;
29  import io.netty.handler.ssl.SslContext;
30  import io.netty.handler.ssl.SslContextBuilder;
31  import io.netty.handler.ssl.SslProvider;
32  import io.netty.handler.ssl.SupportedCipherSuiteFilter;
33  import io.netty.handler.ssl.util.SelfSignedCertificate;
34  
35  public final class Http2StaticFileServer {
36  
37      private static final int PORT = Integer.parseInt(System.getProperty("port", "8443"));
38  
39      public static void main(String[] args) throws Exception {
40          SelfSignedCertificate ssc = new SelfSignedCertificate();
41          SslContext sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey())
42                  .sslProvider(SslProvider.JDK)
43                  .ciphers(Http2SecurityUtil.CIPHERS, SupportedCipherSuiteFilter.INSTANCE)
44                  .applicationProtocolConfig(new ApplicationProtocolConfig(
45                          ApplicationProtocolConfig.Protocol.ALPN,
46                          // NO_ADVERTISE is currently the only mode supported by both OpenSsl and JDK providers.
47                          ApplicationProtocolConfig.SelectorFailureBehavior.NO_ADVERTISE,
48                          // ACCEPT is currently the only mode supported by both OpenSsl and JDK providers.
49                          ApplicationProtocolConfig.SelectedListenerFailureBehavior.ACCEPT,
50                          ApplicationProtocolNames.HTTP_2,
51                          ApplicationProtocolNames.HTTP_1_1))
52                  .build();
53  
54          EventLoopGroup bossGroup = new MultiThreadIoEventLoopGroup(2, NioIoHandler.newFactory());
55          EventLoopGroup workerGroup = new MultiThreadIoEventLoopGroup(4, NioIoHandler.newFactory());
56          try {
57              ServerBootstrap b = new ServerBootstrap();
58              b.group(bossGroup, workerGroup)
59                      .channel(NioServerSocketChannel.class)
60                      .handler(new LoggingHandler(LogLevel.INFO))
61                      .childHandler(new Http2StaticFileServerInitializer(sslCtx));
62  
63              Channel ch = b.bind(PORT).sync().channel();
64  
65              System.out.println("Open your web browser and navigate to https://127.0.0.1:" + PORT + '/');
66  
67              ch.closeFuture().sync();
68          } finally {
69              bossGroup.shutdownGracefully();
70              workerGroup.shutdownGracefully();
71          }
72      }
73  }