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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.athenz.client.zts.utils;
import com.yahoo.security.Pkcs10Csr;
import com.yahoo.security.Pkcs10CsrBuilder;
import com.yahoo.security.SubjectAlternativeName.Type;
import com.yahoo.vespa.athenz.api.AthenzIdentity;
import com.yahoo.vespa.athenz.api.AthenzRole;
import com.yahoo.vespa.athenz.client.zts.ZtsClient;
import javax.security.auth.x500.X500Principal;
import java.security.KeyPair;
import static com.yahoo.security.SignatureAlgorithm.SHA256_WITH_RSA;
/**
* Generates a {@link Pkcs10Csr} instance for use with {@link ZtsClient#getRoleCertificate(AthenzRole, Pkcs10Csr)}.
*
* @author bjorncs
*/
public class RoleCsrGenerator {
private final String dnsSuffix;
public RoleCsrGenerator(String dnsSuffix) {
this.dnsSuffix = dnsSuffix;
}
public Pkcs10Csr generateCsr(AthenzIdentity identity, AthenzRole role, KeyPair keyPair) {
return Pkcs10CsrBuilder.fromKeypair(new X500Principal("CN=" + role.toResourceNameString()), keyPair, SHA256_WITH_RSA)
.addSubjectAlternativeName(
Type.DNS_NAME,
String.format("%s.%s.%s", identity.getName(), identity.getDomainName().replace(".", "-"), dnsSuffix))
.addSubjectAlternativeName(
Type.RFC822_NAME,
String.format("%s@%s", identity.getFullName(), dnsSuffix))
.build();
}
}
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