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Use Java gRPC instead of Netty API to establish TLS connections

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Include specific gRPC TLS implementation in dependencies instead of relying on an appropriate one to be present as a transitive dependency.

Signed-off-by: Mark S. Lewis <Mark.S.Lewis@outlook.com>
This commit is contained in:
Mark S. Lewis 2023-05-05 16:27:22 +01:00 committed by Dave Enyeart
parent 84f9ba1dc4
commit e93cfacf1f
6 changed files with 37 additions and 34 deletions
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7
asset-transfer-basic/application-gateway-java/build.gradle
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@ -19,9 +19,10 @@ repositories {
} }
dependencies { dependencies {
implementation 'org.hyperledger.fabric:fabric-gateway:1.1.1' implementation 'org.hyperledger.fabric:fabric-gateway:1.2.2'
implementation 'io.grpc:grpc-netty-shaded:1.50.1' compileOnly 'io.grpc:grpc-api:1.54.1'
implementation 'com.google.code.gson:gson:2.9.1' runtimeOnly 'io.grpc:grpc-netty-shaded:1.54.1'
implementation 'com.google.code.gson:gson:2.10.1'
} }
java { java {

16
asset-transfer-basic/application-gateway-java/src/main/java/App.java
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@ -7,9 +7,9 @@
import com.google.gson.Gson; import com.google.gson.Gson;
import com.google.gson.GsonBuilder; import com.google.gson.GsonBuilder;
import com.google.gson.JsonParser; import com.google.gson.JsonParser;
import io.grpc.Grpc;
import io.grpc.ManagedChannel; import io.grpc.ManagedChannel;
import io.grpc.netty.shaded.io.grpc.netty.GrpcSslContexts; import io.grpc.TlsChannelCredentials;
import io.grpc.netty.shaded.io.grpc.netty.NettyChannelBuilder;
import org.hyperledger.fabric.client.CommitException; import org.hyperledger.fabric.client.CommitException;
import org.hyperledger.fabric.client.CommitStatusException; import org.hyperledger.fabric.client.CommitStatusException;
import org.hyperledger.fabric.client.Contract; import org.hyperledger.fabric.client.Contract;
@ -74,12 +74,12 @@ public final class App {
} }
} }
private static ManagedChannel newGrpcConnection() throws IOException, CertificateException { private static ManagedChannel newGrpcConnection() throws IOException {
var tlsCertReader = Files.newBufferedReader(TLS_CERT_PATH); var credentials = TlsChannelCredentials.newBuilder()
var tlsCert = Identities.readX509Certificate(tlsCertReader); .trustManager(TLS_CERT_PATH.toFile())
.build();
return NettyChannelBuilder.forTarget(PEER_ENDPOINT) return Grpc.newChannelBuilder(PEER_ENDPOINT, credentials)
.sslContext(GrpcSslContexts.forClient().trustManager(tlsCert).build()).overrideAuthority(OVERRIDE_AUTH) .overrideAuthority(OVERRIDE_AUTH)
.build(); .build();
} }

7
asset-transfer-events/application-gateway-java/build.gradle
View file

@ -8,9 +8,10 @@ repositories {
} }
dependencies { dependencies {
implementation 'org.hyperledger.fabric:fabric-gateway:1.1.1' implementation 'org.hyperledger.fabric:fabric-gateway:1.2.2'
implementation 'io.grpc:grpc-netty-shaded:1.50.1' compileOnly 'io.grpc:grpc-api:1.54.1'
implementation 'com.google.code.gson:gson:2.9.1' runtimeOnly 'io.grpc:grpc-netty-shaded:1.54.1'
implementation 'com.google.code.gson:gson:2.10.1'
} }
java { java {

16
asset-transfer-events/application-gateway-java/src/main/java/Connections.java
View file

@ -4,9 +4,9 @@
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
*/ */
import io.grpc.Grpc;
import io.grpc.ManagedChannel; import io.grpc.ManagedChannel;
import io.grpc.netty.shaded.io.grpc.netty.GrpcSslContexts; import io.grpc.TlsChannelCredentials;
import io.grpc.netty.shaded.io.grpc.netty.NettyChannelBuilder;
import org.hyperledger.fabric.client.identity.Identities; import org.hyperledger.fabric.client.identity.Identities;
import org.hyperledger.fabric.client.identity.Identity; import org.hyperledger.fabric.client.identity.Identity;
import org.hyperledger.fabric.client.identity.Signer; import org.hyperledger.fabric.client.identity.Signer;
@ -40,12 +40,12 @@ public final class Connections {
// Private constructor to prevent instantiation // Private constructor to prevent instantiation
} }
public static ManagedChannel newGrpcConnection() throws IOException, CertificateException { public static ManagedChannel newGrpcConnection() throws IOException {
var tlsCertReader = Files.newBufferedReader(tlsCertPath); var credentials = TlsChannelCredentials.newBuilder()
var tlsCert = Identities.readX509Certificate(tlsCertReader); .trustManager(tlsCertPath.toFile())
.build();
return NettyChannelBuilder.forTarget(peerEndpoint) return Grpc.newChannelBuilder(peerEndpoint, credentials)
.sslContext(GrpcSslContexts.forClient().trustManager(tlsCert).build()).overrideAuthority(overrideAuth) .overrideAuthority(overrideAuth)
.build(); .build();
} }

9
off_chain_data/application-java/app/build.gradle
View file

@ -14,10 +14,11 @@ repositories {
} }
dependencies { dependencies {
implementation 'org.hyperledger.fabric:fabric-gateway:1.1.1' implementation 'org.hyperledger.fabric:fabric-gateway:1.2.2'
implementation 'org.hyperledger.fabric:fabric-protos:0.1.5' implementation 'org.hyperledger.fabric:fabric-protos:0.2.0'
implementation 'io.grpc:grpc-netty-shaded:1.50.1' compileOnly 'io.grpc:grpc-api:1.54.1'
implementation 'com.google.code.gson:gson:2.9.1' runtimeOnly 'io.grpc:grpc-netty-shaded:1.54.1'
implementation 'com.google.code.gson:gson:2.10.1'
} }
java { java {

16
off_chain_data/application-java/app/src/main/java/Connections.java
View file

@ -5,9 +5,9 @@
*/ */
import io.grpc.Channel; import io.grpc.Channel;
import io.grpc.Grpc;
import io.grpc.ManagedChannel; import io.grpc.ManagedChannel;
import io.grpc.netty.shaded.io.grpc.netty.GrpcSslContexts; import io.grpc.TlsChannelCredentials;
import io.grpc.netty.shaded.io.grpc.netty.NettyChannelBuilder;
import org.hyperledger.fabric.client.Gateway; import org.hyperledger.fabric.client.Gateway;
import org.hyperledger.fabric.client.identity.Identities; import org.hyperledger.fabric.client.identity.Identities;
import org.hyperledger.fabric.client.identity.Identity; import org.hyperledger.fabric.client.identity.Identity;
@ -73,12 +73,12 @@ public final class Connections {
// Private constructor to prevent instantiation // Private constructor to prevent instantiation
} }
public static ManagedChannel newGrpcConnection() throws IOException, CertificateException { public static ManagedChannel newGrpcConnection() throws IOException {
var tlsCertReader = Files.newBufferedReader(TLS_CERT_PATH); var credentials = TlsChannelCredentials.newBuilder()
var tlsCert = Identities.readX509Certificate(tlsCertReader); .trustManager(TLS_CERT_PATH.toFile())
.build();
return NettyChannelBuilder.forTarget(PEER_ENDPOINT) return Grpc.newChannelBuilder(PEER_ENDPOINT, credentials)
.sslContext(GrpcSslContexts.forClient().trustManager(tlsCert).build()).overrideAuthority(PEER_HOST_ALIAS) .overrideAuthority(PEER_HOST_ALIAS)
.build(); .build();
} }