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Cache server certificates for up to 30 min

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The server certificates and corresponding keys are encrypted by KMS and stored on GCS. This allows us to easily replace expiring certs without having to roll out a new proxy release. However currently the certificate is obtained as a singleton and used in all connections served by a proxy instance. This means that if we were to upload a new cert, all existing instances will not use it.

This CL makes it so that we only cache the certificate for 30 min, after which a new cert is fetched and decrypted. Local certificates used for testing are still singletons.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=206976318
This commit is contained in:
jianglai 2018-08-01 12:50:25 -07:00
parent e665a34810
commit 628aacd754
8 changed files with 59 additions and 25 deletions
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15
java/google/registry/proxy/handler/SslServerInitializer.java
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@ -29,6 +29,7 @@ import io.netty.util.concurrent.Future;
import io.netty.util.concurrent.Promise;
import java.security.PrivateKey;
import java.security.cert.X509Certificate;
import java.util.function.Supplier;
/**
* Adds a server side SSL handler to the channel pipeline.
@ -57,25 +58,25 @@ public class SslServerInitializer<C extends Channel> extends ChannelInitializer<
private static final FluentLogger logger = FluentLogger.forEnclosingClass();
private final boolean requireClientCert;
private final SslProvider sslProvider;
private final PrivateKey privateKey;
private final X509Certificate[] certificates;
private final Supplier<PrivateKey> privateKeySupplier;
private final Supplier<X509Certificate[]> certificatesSupplier;
public SslServerInitializer(
boolean requireClientCert,
SslProvider sslProvider,
PrivateKey privateKey,
X509Certificate... certificates) {
Supplier<PrivateKey> privateKeySupplier,
Supplier<X509Certificate[]> certificatesSupplier) {
logger.atInfo().log("Server SSL Provider: %s", sslProvider);
this.requireClientCert = requireClientCert;
this.sslProvider = sslProvider;
this.privateKey = privateKey;
this.certificates = certificates;
this.privateKeySupplier = privateKeySupplier;
this.certificatesSupplier = certificatesSupplier;
}
@Override
protected void initChannel(C channel) throws Exception {
SslHandler sslHandler =
SslContextBuilder.forServer(privateKey, certificates)
SslContextBuilder.forServer(privateKeySupplier.get(), certificatesSupplier.get())
.sslProvider(sslProvider)
.trustManager(InsecureTrustManagerFactory.INSTANCE)
.clientAuth(requireClientCert ? ClientAuth.REQUIRE : ClientAuth.NONE)