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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.zookeeper;
import com.yahoo.security.X509SslContext;
import com.yahoo.security.tls.TlsContext;
import com.yahoo.security.tls.TransportSecurityUtils;
import org.apache.zookeeper.KeeperException;
import org.apache.zookeeper.common.ClientX509Util;
import org.apache.zookeeper.common.X509Exception;
import org.apache.zookeeper.data.Id;
import org.apache.zookeeper.server.ServerCnxn;
import org.apache.zookeeper.server.auth.AuthenticationProvider;
import org.apache.zookeeper.server.auth.X509AuthenticationProvider;
import javax.net.ssl.KeyManager;
import javax.net.ssl.X509KeyManager;
import javax.net.ssl.X509TrustManager;
import java.security.cert.X509Certificate;
import java.util.logging.Logger;
/**
* A {@link AuthenticationProvider} to be used in combination with Vespa mTLS.
*
* @author bjorncs
*/
public class VespaMtlsAuthenticationProvider extends X509AuthenticationProvider {
private static final Logger log = Logger.getLogger(VespaMtlsAuthenticationProvider.class.getName());
public VespaMtlsAuthenticationProvider() {
super(null, null);
}
@Override
public KeeperException.Code handleAuthentication(ServerCnxn cnxn, byte[] authData) {
// Vespa's mTLS peer authorization rules are performed by the underlying trust manager implementation.
// The client is authorized once the SSL handshake has completed.
X509Certificate[] certificateChain = (X509Certificate[]) cnxn.getClientCertificateChain();
if (certificateChain == null || certificateChain.length == 0) {
log.warning("Client not authenticated - should not be possible with clientAuth=NEED");
return KeeperException.Code.AUTHFAILED;
}
X509Certificate certificate = certificateChain[0];
cnxn.addAuthInfo(new Id(getScheme(), certificate.getSubjectX500Principal().getName()));
return KeeperException.Code.OK;
}
}
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