io.grpc.netty.NettySslContextChannelCredentials Maven / Gradle / Ivy
/*
* Copyright 2020 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.netty;
import com.google.common.base.Preconditions;
import io.grpc.ChannelCredentials;
import io.grpc.ExperimentalApi;
import io.netty.handler.ssl.SslContext;
/** A credential that performs TLS with Netty's SslContext as configuration. */
@ExperimentalApi("There is no plan to make this API stable, given transport API instability")
public final class NettySslContextChannelCredentials {
private NettySslContextChannelCredentials() {}
/**
* Create a credential using Netty's SslContext as configuration. It must have been configured
* with {@link GrpcSslContexts}, but options could have been overridden.
*/
public static ChannelCredentials create(SslContext sslContext) {
Preconditions.checkArgument(sslContext.isClient(),
"Server SSL context can not be used for client channel");
GrpcSslContexts.ensureAlpnAndH2Enabled(sslContext.applicationProtocolNegotiator());
return NettyChannelCredentials.create(ProtocolNegotiators.tlsClientFactory(sslContext));
}
}