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// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.athenz.identity;
import com.google.inject.Inject;
import com.yahoo.component.AbstractComponent;
import com.yahoo.security.KeyStoreType;
import com.yahoo.security.SslContextBuilder;
import com.yahoo.security.tls.AutoReloadingX509KeyManager;
import com.yahoo.vespa.athenz.api.AthenzIdentity;
import com.yahoo.vespa.athenz.api.AthenzService;
import com.yahoo.vespa.athenz.utils.SiaUtils;
import javax.net.ssl.SSLContext;
import java.io.File;
import java.nio.file.Path;
import java.nio.file.Paths;
/**
* A {@link ServiceIdentityProvider} that provides the credentials stored on file system.
*
* @author mortent
* @author bjorncs
*/
public class SiaIdentityProvider extends AbstractComponent implements ServiceIdentityProvider {
private final AutoReloadingX509KeyManager keyManager;
private final SSLContext sslContext;
private final AthenzIdentity service;
@Inject
public SiaIdentityProvider(SiaProviderConfig config) {
this(new AthenzService(config.athenzDomain(), config.athenzService()),
SiaUtils.getPrivateKeyFile(Paths.get(config.keyPathPrefix()), new AthenzService(config.athenzDomain(), config.athenzService())).toFile(),
SiaUtils.getCertificateFile(Paths.get(config.keyPathPrefix()), new AthenzService(config.athenzDomain(), config.athenzService())).toFile(),
new File(config.trustStorePath()),
config.trustStoreType());
}
public SiaIdentityProvider(AthenzIdentity service,
Path siaPath,
File trustStoreFile) {
this(service,
SiaUtils.getPrivateKeyFile(siaPath, service).toFile(),
SiaUtils.getCertificateFile(siaPath, service).toFile(),
trustStoreFile,
SiaProviderConfig.TrustStoreType.Enum.jks);
}
public SiaIdentityProvider(AthenzIdentity service,
File privateKeyFile,
File certificateFile,
File trustStoreFile,
SiaProviderConfig.TrustStoreType.Enum trustStoreType) {
this.service = service;
this.keyManager = AutoReloadingX509KeyManager.fromPemFiles(privateKeyFile.toPath(), certificateFile.toPath());
this.sslContext = createIdentitySslContext(keyManager, trustStoreFile.toPath(), trustStoreType);
}
@Override
public AthenzIdentity identity() {
return service;
}
@Override
public SSLContext getIdentitySslContext() {
return sslContext;
}
private static SSLContext createIdentitySslContext(AutoReloadingX509KeyManager keyManager, Path trustStoreFile,
SiaProviderConfig.TrustStoreType.Enum trustStoreType) {
var builder = new SslContextBuilder();
if (trustStoreType == SiaProviderConfig.TrustStoreType.Enum.pem) {
builder = builder.withTrustStore(trustStoreFile);
} else if (trustStoreType == SiaProviderConfig.TrustStoreType.Enum.jks) {
builder = builder.withTrustStore(trustStoreFile, KeyStoreType.JKS);
} else {
throw new IllegalArgumentException("Unsupported trust store type: " + trustStoreType);
}
return builder.withKeyManager(keyManager).build();
}
@Override
public void deconstruct() {
keyManager.close();
}
}
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