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ServerSslContextProviderFactory.java
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ServerSslContextProviderFactory.java
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/*
* Copyright 2019 The gRPC Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.grpc.xds.internal.sds;
import static com.google.common.base.Preconditions.checkNotNull;
import com.google.common.util.concurrent.ThreadFactoryBuilder;
import io.grpc.xds.Bootstrapper;
import io.grpc.xds.EnvoyServerProtoData.DownstreamTlsContext;
import io.grpc.xds.XdsInitializationException;
import io.grpc.xds.internal.certprovider.CertProviderServerSslContextProvider;
import io.grpc.xds.internal.sds.ReferenceCountingMap.ValueFactory;
import java.util.concurrent.Executors;
/** Factory to create server-side SslContextProvider from DownstreamTlsContext. */
final class ServerSslContextProviderFactory
implements ValueFactory<DownstreamTlsContext, SslContextProvider> {
private final Bootstrapper bootstrapper;
private Bootstrapper.BootstrapInfo bootstrapInfo;
private final CertProviderServerSslContextProvider.Factory
certProviderServerSslContextProviderFactory;
ServerSslContextProviderFactory(Bootstrapper bootstrapper) {
this(bootstrapper, CertProviderServerSslContextProvider.Factory.getInstance());
}
ServerSslContextProviderFactory(
Bootstrapper bootstrapper, CertProviderServerSslContextProvider.Factory factory) {
this.bootstrapper = bootstrapper;
this.certProviderServerSslContextProviderFactory = factory;
}
/** Creates a SslContextProvider from the given DownstreamTlsContext. */
@Override
public SslContextProvider create(
DownstreamTlsContext downstreamTlsContext) {
checkNotNull(downstreamTlsContext, "downstreamTlsContext");
checkNotNull(
downstreamTlsContext.getCommonTlsContext(),
"downstreamTlsContext should have CommonTlsContext");
if (CommonTlsContextUtil.hasCertProviderInstance(
downstreamTlsContext.getCommonTlsContext())) {
try {
if (bootstrapInfo == null) {
bootstrapInfo = bootstrapper.bootstrap();
}
return certProviderServerSslContextProviderFactory.getProvider(
downstreamTlsContext,
bootstrapInfo.getNode().toEnvoyProtoNode(),
bootstrapInfo.getCertProviders());
} catch (XdsInitializationException e) {
throw new RuntimeException(e);
}
} else if (CommonTlsContextUtil.hasAllSecretsUsingFilename(
downstreamTlsContext.getCommonTlsContext())) {
return SecretVolumeServerSslContextProvider.getProvider(downstreamTlsContext);
} else if (CommonTlsContextUtil.hasAllSecretsUsingSds(
downstreamTlsContext.getCommonTlsContext())) {
try {
if (bootstrapInfo == null) {
bootstrapInfo = bootstrapper.bootstrap();
}
return SdsServerSslContextProvider.getProvider(
downstreamTlsContext,
bootstrapInfo.getNode().toEnvoyProtoNodeV2(),
Executors.newSingleThreadExecutor(new ThreadFactoryBuilder()
.setNameFormat("server-sds-sslcontext-provider-%d")
.setDaemon(true)
.build()),
/* channelExecutor= */ null);
} catch (XdsInitializationException e) {
throw new RuntimeException(e);
}
}
throw new UnsupportedOperationException("Unsupported configurations in DownstreamTlsContext!");
}
}