/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.cxf.xkms.x509.validator;
import java.security.cert.CertificateExpiredException;
import java.security.cert.CertificateNotYetValidException;
import java.security.cert.X509Certificate;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import java.util.logging.Logger;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.xkms.handlers.Validator;
import org.apache.cxf.xkms.model.xkms.KeyBindingEnum;
import org.apache.cxf.xkms.model.xkms.ReasonEnum;
import org.apache.cxf.xkms.model.xkms.StatusType;
import org.apache.cxf.xkms.model.xkms.ValidateRequestType;
public class DateValidator implements Validator {
private static final Logger LOG = LogUtils.getL7dLogger(DateValidator.class);
/**
* Checks if a certificate is within its validity period.
*
* @param certificate to check
* @return the validity state of the certificate
*/
public boolean isCertificateValid(X509Certificate certificate) {
Date date = Calendar.getInstance().getTime();
try {
certificate.checkValidity(date);
} catch (CertificateNotYetValidException e) {
return false;
} catch (CertificateExpiredException e) {
return false;
}
/*
* TODO: clarify use of KeyUsage with customer if (null == certificate.getKeyUsage()) { return false; }
* boolean[] keyUsage = certificate.getKeyUsage(); if (!keyUsage[KeyUsage.digitalSignature.ordinal()] ||
* !keyUsage[KeyUsage.dataEncipherment.ordinal()] || keyUsage[KeyUsage.encipherOnly.ordinal()] ||
* keyUsage[KeyUsage.decipherOnly.ordinal()]) { return false; }
*/
return true;
}
@Override
public StatusType validate(ValidateRequestType request) {
StatusType status = new StatusType();
List<X509Certificate> certificates = ValidateRequestParser.parse(request);
if (certificates == null || certificates.isEmpty()) {
status.setStatusValue(KeyBindingEnum.HTTP_WWW_W_3_ORG_2002_03_XKMS_INDETERMINATE);
status.getIndeterminateReason().add("http://www.cxf.apache.org/2002/03/xkms#RequestNotSupported");
}
if (isCertificateChainValid(certificates)) {
status.getValidReason().add(ReasonEnum.HTTP_WWW_W_3_ORG_2002_03_XKMS_VALIDITY_INTERVAL.value());
status.setStatusValue(KeyBindingEnum.HTTP_WWW_W_3_ORG_2002_03_XKMS_VALID);
} else {
status.getInvalidReason().add(ReasonEnum.HTTP_WWW_W_3_ORG_2002_03_XKMS_VALIDITY_INTERVAL.value());
status.setStatusValue(KeyBindingEnum.HTTP_WWW_W_3_ORG_2002_03_XKMS_INVALID);
}
return status;
}
public boolean isCertificateChainValid(List<X509Certificate> certificates) {
if (certificates == null) {
return false;
}
for (X509Certificate x509Certificate : certificates) {
if (!isCertificateValid(x509Certificate)) {
LOG.severe("Certificate is expired: " + x509Certificate.getSubjectX500Principal());
return false;
}
}
return true;
}
}