Java Code Examples for io.netty.handler.ssl.OpenSsl#isAlpnSupported()

@Override
protected AbstractServerImplBuilder<?> getServerBuilder() {
  // Starts the server with HTTPS.
  try {
    SslProvider sslProvider = SslContext.defaultServerProvider();
    if (sslProvider == SslProvider.OPENSSL && !OpenSsl.isAlpnSupported()) {
      // OkHttp only supports Jetty ALPN on OpenJDK. So if OpenSSL doesn't support ALPN, then we
      // are forced to use Jetty ALPN for Netty instead of OpenSSL.
      sslProvider = SslProvider.JDK;
    }
    SslContextBuilder contextBuilder = SslContextBuilder
        .forServer(TestUtils.loadCert("server1.pem"), TestUtils.loadCert("server1.key"));
    GrpcSslContexts.configure(contextBuilder, sslProvider);
    contextBuilder.ciphers(TestUtils.preferredTestCiphers(), SupportedCipherSuiteFilter.INSTANCE);
    return NettyServerBuilder.forPort(0)
        .flowControlWindow(65 * 1024)
        .maxInboundMessageSize(AbstractInteropTest.MAX_MESSAGE_SIZE)
        .sslContext(contextBuilder.build());
  } catch (IOException ex) {
    throw new RuntimeException(ex);
  }
}
 

private SslContext buildSslCtx() {
  SslProvider provider = OpenSsl.isAlpnSupported() ? SslProvider.OPENSSL : SslProvider.JDK;
  try {
    return SslContextBuilder.forClient()
        .sslProvider(provider)
        .ciphers(Http2SecurityUtil.CIPHERS, SupportedCipherSuiteFilter.INSTANCE)
        .trustManager(InsecureTrustManagerFactory.INSTANCE)
        // TODO(JR): Make a seperate Handler Class for http2 as opposed to autoneg
        //        .applicationProtocolConfig(new ApplicationProtocolConfig(
        //          ApplicationProtocolConfig.Protocol.ALPN,
        //          // NO_ADVERTISE is currently the only mode supported by both OpenSsl and JDK
        //             providers.
        //          ApplicationProtocolConfig.SelectorFailureBehavior.NO_ADVERTISE,
        //          // ACCEPT is currently the only mode supported by both OpenSsl and JDK
        //             providers.
        //          ApplicationProtocolConfig.SelectedListenerFailureBehavior.ACCEPT,
        //          ApplicationProtocolNames.HTTP_2,
        //          ApplicationProtocolNames.HTTP_1_1))
        .build();
  } catch (SSLException e) {
    e.printStackTrace();
  }

  return null;
}
 

private SslContext getSslContext() {
    SslContext sslCtx = null;

    final SslProvider provider = OpenSsl.isAlpnSupported() ? SslProvider.OPENSSL : SslProvider.JDK;

    try {
        sslCtx = SslContextBuilder.forClient()
            .sslProvider(provider)
            .ciphers(Http2SecurityUtil.CIPHERS, SupportedCipherSuiteFilter.INSTANCE)
            .trustManager(InsecureTrustManagerFactory.INSTANCE)
            .applicationProtocolConfig(new ApplicationProtocolConfig(
                Protocol.ALPN,
                SelectorFailureBehavior.NO_ADVERTISE,
                SelectedListenerFailureBehavior.ACCEPT,
                ApplicationProtocolNames.HTTP_2))
            .build();
    } catch(SSLException exception) {
        return null;
    }

    return sslCtx;
}
 

/**
 * Set ciphers and APN appropriate for gRPC. Precisely what is set is permitted to change, so if
 * an application requires particular settings it should override the options set here.
 */
@ExperimentalApi("https://github.com/grpc/grpc-java/issues/1784")
@CanIgnoreReturnValue
public static SslContextBuilder configure(SslContextBuilder builder, SslProvider provider) {
  switch (provider) {
    case JDK:
    {
      Provider jdkProvider = findJdkProvider();
      if (jdkProvider == null) {
        throw new IllegalArgumentException(
            "Could not find Jetty NPN/ALPN or Conscrypt as installed JDK providers");
      }
      return configure(builder, jdkProvider);
    }
    case OPENSSL:
    {
      ApplicationProtocolConfig apc;
      if (OpenSsl.isAlpnSupported()) {
        apc = NPN_AND_ALPN;
      } else {
        apc = NPN;
      }
      return builder
          .sslProvider(SslProvider.OPENSSL)
          .ciphers(Http2SecurityUtil.CIPHERS, SupportedCipherSuiteFilter.INSTANCE)
          .applicationProtocolConfig(apc);
    }
    default:
      throw new IllegalArgumentException("Unsupported provider: " + provider);
  }
}
 

/**
 * Set ciphers and APN appropriate for gRPC. Precisely what is set is permitted to change, so if
 * an application requires particular settings it should override the options set here.
 */
@ExperimentalApi("https://github.com/grpc/grpc-java/issues/1784")
@CanIgnoreReturnValue
public static SslContextBuilder configure(SslContextBuilder builder, SslProvider provider) {
  switch (provider) {
    case JDK:
    {
      Provider jdkProvider = findJdkProvider();
      if (jdkProvider == null) {
        throw new IllegalArgumentException(
            "Could not find Jetty NPN/ALPN or Conscrypt as installed JDK providers");
      }
      return configure(builder, jdkProvider);
    }
    case OPENSSL:
    {
      ApplicationProtocolConfig apc;
      if (OpenSsl.isAlpnSupported()) {
        apc = NPN_AND_ALPN;
      } else {
        apc = NPN;
      }
      return builder
          .sslProvider(SslProvider.OPENSSL)
          .ciphers(Http2SecurityUtil.CIPHERS, SupportedCipherSuiteFilter.INSTANCE)
          .applicationProtocolConfig(apc);
    }
    default:
      throw new IllegalArgumentException("Unsupported provider: " + provider);
  }
}
 

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {
        SslProvider provider = OpenSsl.isAlpnSupported() ? SslProvider.OPENSSL : SslProvider.JDK;
        SelfSignedCertificate ssc = new SelfSignedCertificate();
        sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey())
            .sslProvider(provider)
            /* NOTE: the cipher filter may not include all ciphers required by the HTTP/2 specification.
             * Please refer to the HTTP/2 specification for cipher requirements. */
            .ciphers(Http2SecurityUtil.CIPHERS, SupportedCipherSuiteFilter.INSTANCE)
            .applicationProtocolConfig(new ApplicationProtocolConfig(
                Protocol.ALPN,
                // NO_ADVERTISE is currently the only mode supported by both OpenSsl and JDK providers.
                SelectorFailureBehavior.NO_ADVERTISE,
                // ACCEPT is currently the only mode supported by both OpenSsl and JDK providers.
                SelectedListenerFailureBehavior.ACCEPT,
                ApplicationProtocolNames.HTTP_2,
                ApplicationProtocolNames.HTTP_1_1))
            .build();
    } else {
        sslCtx = null;
    }
    // Configure the server.
    EventLoopGroup group = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.option(ChannelOption.SO_BACKLOG, 1024);
        b.group(group)
         .channel(NioServerSocketChannel.class)
         .handler(new LoggingHandler(LogLevel.INFO))
         .childHandler(new Http2ServerInitializer(sslCtx));

        Channel ch = b.bind(PORT).sync().channel();

        System.err.println("Open your HTTP/2-enabled web browser and navigate to " +
                (SSL? "https" : "http") + "://127.0.0.1:" + PORT + '/');

        ch.closeFuture().sync();
    } finally {
        group.shutdownGracefully();
    }
}
 

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {
        SslProvider provider = OpenSsl.isAlpnSupported() ? SslProvider.OPENSSL : SslProvider.JDK;
        SelfSignedCertificate ssc = new SelfSignedCertificate();
        sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey())
            .sslProvider(provider)
            /* NOTE: the cipher filter may not include all ciphers required by the HTTP/2 specification.
             * Please refer to the HTTP/2 specification for cipher requirements. */
            .ciphers(Http2SecurityUtil.CIPHERS, SupportedCipherSuiteFilter.INSTANCE)
            .applicationProtocolConfig(new ApplicationProtocolConfig(
                Protocol.ALPN,
                // NO_ADVERTISE is currently the only mode supported by both OpenSsl and JDK providers.
                SelectorFailureBehavior.NO_ADVERTISE,
                // ACCEPT is currently the only mode supported by both OpenSsl and JDK providers.
                SelectedListenerFailureBehavior.ACCEPT,
                ApplicationProtocolNames.HTTP_2,
                ApplicationProtocolNames.HTTP_1_1))
            .build();
    } else {
        sslCtx = null;
    }
    // Configure the server.
    EventLoopGroup group = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.option(ChannelOption.SO_BACKLOG, 1024);
        b.group(group)
         .channel(NioServerSocketChannel.class)
         .handler(new LoggingHandler(LogLevel.INFO))
         .childHandler(new Http2ServerInitializer(sslCtx));

        Channel ch = b.bind(PORT).sync().channel();

        System.err.println("Open your HTTP/2-enabled web browser and navigate to " +
                (SSL? "https" : "http") + "://127.0.0.1:" + PORT + '/');

        ch.closeFuture().sync();
    } finally {
        group.shutdownGracefully();
    }
}
 

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {
        SslProvider provider = OpenSsl.isAlpnSupported() ? SslProvider.OPENSSL : SslProvider.JDK;
        SelfSignedCertificate ssc = new SelfSignedCertificate();
        sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey())
            .sslProvider(provider)
            /* NOTE: the cipher filter may not include all ciphers required by the HTTP/2 specification.
             * Please refer to the HTTP/2 specification for cipher requirements. */
            .ciphers(Http2SecurityUtil.CIPHERS, SupportedCipherSuiteFilter.INSTANCE)
            .applicationProtocolConfig(new ApplicationProtocolConfig(
                Protocol.ALPN,
                // NO_ADVERTISE is currently the only mode supported by both OpenSsl and JDK providers.
                SelectorFailureBehavior.NO_ADVERTISE,
                // ACCEPT is currently the only mode supported by both OpenSsl and JDK providers.
                SelectedListenerFailureBehavior.ACCEPT,
                ApplicationProtocolNames.HTTP_2,
                ApplicationProtocolNames.HTTP_1_1))
            .build();
    } else {
        sslCtx = null;
    }
    // Configure the server.
    EventLoopGroup group = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.option(ChannelOption.SO_BACKLOG, 1024);
        b.group(group)
         .channel(NioServerSocketChannel.class)
         .handler(new LoggingHandler(LogLevel.INFO))
         .childHandler(new Http2ServerInitializer(sslCtx));

        Channel ch = b.bind(PORT).sync().channel();

        System.err.println("Open your HTTP/2-enabled web browser and navigate to " +
                (SSL? "https" : "http") + "://127.0.0.1:" + PORT + '/');

        ch.closeFuture().sync();
    } finally {
        group.shutdownGracefully();
    }
}