configserver/src/main/java/com/yahoo/vespa/config/server/tenant/OperatorCertificateSerializer.java


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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.config.server.tenant;

import com.yahoo.security.X509CertificateUtils;
import com.yahoo.slime.Cursor;
import com.yahoo.slime.Inspector;
import com.yahoo.slime.Slime;
import com.yahoo.slime.SlimeUtils;

import java.security.cert.X509Certificate;
import java.util.List;

/**
 * Serializer for operator certificates.
 * The certificates are serialized as a list of PEM strings.
 * @author tokle
 */
public class OperatorCertificateSerializer {

    private final static String certificateField = "certificates";

    public static Slime toSlime(List<X509Certificate> certificateList) {
        Slime slime = new Slime();
        var root = slime.setObject();
        Cursor array = root.setArray(certificateField);
        toSlime(certificateList, array);
        return slime;
    }

    public static void toSlime(List<X509Certificate> certificateList, Cursor array) {
        certificateList.stream()
                .map(X509CertificateUtils::toPem)
                .forEach(array::addString);
    }

    public static List<X509Certificate> fromSlime(Inspector object) {
        return SlimeUtils.entriesStream(object.field(certificateField))
                .map(Inspector::asString)
                .map(X509CertificateUtils::fromPem)
                .toList();
    }
}