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/*
* Copyright (C) 2020 Ericsson Software Technology AB. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*/
package org.onap.aaf.certservice.cmpv2client.impl;
import java.security.cert.X509Certificate;
import java.util.Date;
import org.apache.http.impl.client.CloseableHttpClient;
import org.bouncycastle.asn1.cmp.PKIMessage;
import org.onap.aaf.certservice.cmpv2client.exceptions.CmpClientException;
import org.onap.aaf.certservice.cmpv2client.api.CmpClient;
import org.onap.aaf.certservice.cmpv2client.external.CSRMeta;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Implementation of the CmpClient Interface conforming to RFC4210 (Certificate Management Protocol
* (CMP)) and RFC4211 (Certificate Request Message Format (CRMF)) standards.
*/
public class CmpClientImpl implements CmpClient {
private final Logger LOG = LoggerFactory.getLogger(CmpClientImpl.class);
private final CloseableHttpClient httpClient;
private static final String DEFAULT_PROFILE = "RA";
private static final String DEFAULT_CA_NAME = "Certification Authority";
public CmpClientImpl(CloseableHttpClient httpClient){
this.httpClient = httpClient;
}
@Override
public X509Certificate createCertificate(
String caName,
String profile,
CSRMeta csrMeta,
X509Certificate cert,
Date notBefore,
Date notAfter)
throws CmpClientException {
// Validate inputs for Certificate Request
validate(csrMeta, cert, caName, profile, httpClient, notBefore, notAfter);
final CreateCertRequest certRequest =
CmpMessageBuilder.of(CreateCertRequest::new)
.with(CreateCertRequest::setIssuerDn, csrMeta.issuerx500Name())
.with(CreateCertRequest::setSubjectDn, csrMeta.x500Name())
.with(CreateCertRequest::setSansList, csrMeta.sans())
.with(CreateCertRequest::setSubjectKeyPair, csrMeta.keyPair())
.with(CreateCertRequest::setNotBefore, notBefore)
.with(CreateCertRequest::setNotAfter, notAfter)
.with(CreateCertRequest::setInitAuthPassword, csrMeta.password())
.build();
final PKIMessage pkiMessage = certRequest.generateCertReq();
Cmpv2HttpClient cmpv2HttpClient = new Cmpv2HttpClient(httpClient);
final byte[] respBytes =
cmpv2HttpClient.postRequest(pkiMessage, csrMeta.caUrl(), caName);
final PKIMessage respPkiMessage = PKIMessage.getInstance(respBytes);
// todo: add response validation and return Certificate
return null;
}
@Override
public X509Certificate createCertificate(
String caName,
String profile,
CSRMeta csrMeta,
X509Certificate csr)
throws CmpClientException {
return createCertificate(caName, profile, csrMeta, csr, null, null);
}
/**
* Validate inputs for Certificate Creation.
*
* @param csrMeta CSRMeta Object containing variables for creating a Certificate Request.
* @param cert Certificate object needed to validate response from CA server.
* @param incomingCaName Date specifying certificate is not valid before this date.
* @param incomingProfile Date specifying certificate is not valid after this date.
* @throws IllegalArgumentException if Before Date is set after the After Date.
*/
private void validate(
final CSRMeta csrMeta,
final X509Certificate cert,
final String incomingCaName,
final String incomingProfile,
final CloseableHttpClient httpClient,
final Date notBefore,
final Date notAfter)
throws IllegalArgumentException {
String caName;
String caProfile;
caName = CmpUtil.isNullOrEmpty(incomingCaName) ? incomingCaName : DEFAULT_CA_NAME;
caProfile = CmpUtil.isNullOrEmpty(incomingProfile) ? incomingProfile : DEFAULT_PROFILE;
LOG.info(
"Validate before creating Certificate Request for CA :{} in Mode {} ", caName, caProfile);
CmpUtil.notNull(csrMeta, "CSRMeta Instance");
CmpUtil.notNull(csrMeta.x500Name(), "Subject DN");
CmpUtil.notNull(csrMeta.issuerx500Name(), "Issuer DN");
CmpUtil.notNull(csrMeta.password(), "IAK/RV Password");
CmpUtil.notNull(cert, "Certificate Signing Request (CSR)");
CmpUtil.notNull(csrMeta.caUrl(), "External CA URL");
CmpUtil.notNull(csrMeta.keypair(), "Subject KeyPair");
CmpUtil.notNull(httpClient, "Closeable Http Client");
if (notBefore != null && notAfter != null && notBefore.compareTo(notAfter) > 0) {
throw new IllegalArgumentException("Before Date is set after the After Date");
}
}
}
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