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4a5b317016
Opened two ports (30010 and 30011 by default) that handles HTTP(S) GET requests. the HTTP request is redirected to the corresponding HTTPS site, whereas the HTTPS request is redirected to a site that supports web WHOIS. The GCLB currently exposes port 80, but not port 443 on its TCP proxy load balancer (see https://cloud.google.com/load-balancing/docs/choosing-load-balancer). As a result, the HTTP traffic has to be routed by the HTTP load balancer, which requires a separate HTTP health check (as opposed to the TCP health check that the TCP proxy LB uses). This CL also added support for HTTP health check. There is not a strong case for adding an end-to-end test for WebWhoisProtocolsModule (like those for EppProtocolModule, etc) as it just assembles standard HTTP codecs used for an HTTP server, plus the WebWhoisRedirectHandler, which is tested. The end-to-end test would just be testing if the Netty provided HTTP handlers correctly parse raw HTTP messages. Sever other small improvement is also included: [1] Use setInt other than set when setting content length in HTTP headers. I don't think it is necessary, but it is nevertheless a better practice to use a more specialized setter. [2] Do not write metrics when running locally. [3] Rename the qualifier @EppCertificates to @ServerSertificate as it now provides the certificate used in HTTPS traffic as well. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=206944843
105 lines
4.4 KiB
Java
105 lines
4.4 KiB
Java
// Copyright 2017 The Nomulus Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.proxy.handler;
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import com.google.common.flogger.FluentLogger;
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import io.netty.channel.Channel;
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import io.netty.channel.ChannelHandler.Sharable;
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import io.netty.channel.ChannelInitializer;
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import io.netty.channel.embedded.EmbeddedChannel;
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import io.netty.handler.ssl.ClientAuth;
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import io.netty.handler.ssl.SslContextBuilder;
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import io.netty.handler.ssl.SslHandler;
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import io.netty.handler.ssl.SslProvider;
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import io.netty.handler.ssl.util.InsecureTrustManagerFactory;
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import io.netty.util.AttributeKey;
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import io.netty.util.concurrent.Future;
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import io.netty.util.concurrent.Promise;
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import java.security.PrivateKey;
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import java.security.cert.X509Certificate;
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/**
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* Adds a server side SSL handler to the channel pipeline.
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*
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* <p>This <b>should</b> be the first handler provided for any handler provider list, if it is
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* provided. Unless you wish to first process the PROXY header with {@link ProxyProtocolHandler},
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* which should come before this handler. The type parameter {@code C} is needed so that unit tests
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* can construct this handler that works with {@link EmbeddedChannel};
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*
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* <p>The ssl handler added requires client authentication, but it uses an {@link
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* InsecureTrustManagerFactory}, which accepts any ssl certificate presented by the client, as long
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* as the client uses the corresponding private key to establish SSL handshake. The client
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* certificate hash will be passed along to GAE as an HTTP header for verification (not handled by
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* this handler).
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*/
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@Sharable
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public class SslServerInitializer<C extends Channel> extends ChannelInitializer<C> {
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/**
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* Attribute key to the client certificate promise whose value is set when SSL handshake completes
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* successfully.
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*/
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public static final AttributeKey<Promise<X509Certificate>> CLIENT_CERTIFICATE_PROMISE_KEY =
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AttributeKey.valueOf("CLIENT_CERTIFICATE_PROMISE_KEY");
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private static final FluentLogger logger = FluentLogger.forEnclosingClass();
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private final boolean requireClientCert;
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private final SslProvider sslProvider;
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private final PrivateKey privateKey;
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private final X509Certificate[] certificates;
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public SslServerInitializer(
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boolean requireClientCert,
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SslProvider sslProvider,
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PrivateKey privateKey,
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X509Certificate... certificates) {
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logger.atInfo().log("Server SSL Provider: %s", sslProvider);
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this.requireClientCert = requireClientCert;
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this.sslProvider = sslProvider;
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this.privateKey = privateKey;
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this.certificates = certificates;
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}
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@Override
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protected void initChannel(C channel) throws Exception {
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SslHandler sslHandler =
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SslContextBuilder.forServer(privateKey, certificates)
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.sslProvider(sslProvider)
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.trustManager(InsecureTrustManagerFactory.INSTANCE)
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.clientAuth(requireClientCert ? ClientAuth.REQUIRE : ClientAuth.NONE)
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.build()
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.newHandler(channel.alloc());
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if (requireClientCert) {
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Promise<X509Certificate> clientCertificatePromise = channel.eventLoop().newPromise();
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Future<Channel> unusedFuture =
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sslHandler
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.handshakeFuture()
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.addListener(
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future -> {
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if (future.isSuccess()) {
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Promise<X509Certificate> unusedPromise =
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clientCertificatePromise.setSuccess(
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(X509Certificate)
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sslHandler.engine().getSession().getPeerCertificates()[0]);
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} else {
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Promise<X509Certificate> unusedPromise =
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clientCertificatePromise.setFailure(future.cause());
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}
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});
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channel.attr(CLIENT_CERTIFICATE_PROMISE_KEY).set(clientCertificatePromise);
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}
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channel.pipeline().addLast(sslHandler);
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}
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}
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