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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.athenz.identity;
import com.yahoo.component.annotation.Inject;
import com.yahoo.component.AbstractComponent;
import com.yahoo.security.SslContextBuilder;
import com.yahoo.security.TrustManagerUtils;
import com.yahoo.security.X509CertificateUtils;
import com.yahoo.security.X509CertificateWithKey;
import com.yahoo.security.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.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.security.cert.X509Certificate;
import java.util.List;
import java.util.stream.Stream;
/**
* 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;
private final Path certificateFile;
private final Path privateKeyFile;
@Inject
public SiaIdentityProvider(SiaProviderConfig config) {
this(new AthenzService(config.athenzDomain(), config.athenzService()),
SiaUtils.getPrivateKeyFile(Paths.get(config.keyPathPrefix()), new AthenzService(config.athenzDomain(), config.athenzService())),
SiaUtils.getCertificateFile(Paths.get(config.keyPathPrefix()), new AthenzService(config.athenzDomain(), config.athenzService())),
Paths.get(config.trustStorePath()));
}
public SiaIdentityProvider(AthenzIdentity service,
Path siaPath,
Path clientTruststoreFile) {
this(service,
SiaUtils.getPrivateKeyFile(siaPath, service),
SiaUtils.getCertificateFile(siaPath, service),
clientTruststoreFile);
}
public SiaIdentityProvider(AthenzIdentity service,
Path privateKeyFile,
Path certificateFile,
Path clientTruststoreFile) {
this.service = service;
this.keyManager = AutoReloadingX509KeyManager.fromPemFiles(privateKeyFile, certificateFile);
this.sslContext = createIdentitySslContext(keyManager, clientTruststoreFile);
this.certificateFile = certificateFile;
this.privateKeyFile = privateKeyFile;
}
@Override
public AthenzIdentity identity() {
return service;
}
@Override
public SSLContext getIdentitySslContext() {
return sslContext;
}
@Override public X509CertificateWithKey getIdentityCertificateWithKey() { return keyManager.getCurrentCertificateWithKey(); }
@Override public Path certificatePath() { return certificateFile; }
@Override public Path privateKeyPath() { return privateKeyFile; }
public SSLContext createIdentitySslContextWithTrustStore(Path trustStoreFile) {
return createIdentitySslContext(keyManager, trustStoreFile);
}
/**
* Create an SSL context with the given trust store and the key manager from this provider.
* Include default trust store
*
* @param keyManager the key manager
* @param trustStoreFile the trust store file
*/
private static SSLContext createIdentitySslContext(AutoReloadingX509KeyManager keyManager, Path trustStoreFile) {
List<X509Certificate> defaultTrustStore;
try {
// load the default java trust store and extract the certificates
defaultTrustStore = Stream.of(TrustManagerUtils.createDefaultX509TrustManager().getAcceptedIssuers()).toList();
} catch (Exception e) {
throw new RuntimeException("Failed to load default trust store", e);
}
try {
List<X509Certificate> caCertList = Stream.concat(
X509CertificateUtils.certificateListFromPem(new String(Files.readAllBytes(trustStoreFile))).stream(),
defaultTrustStore.stream())
.toList();
return new SslContextBuilder()
.withTrustStore(caCertList)
.withKeyManager(keyManager)
.build();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public void deconstruct() {
keyManager.close();
}
}
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