/*
*
* Copyright (c) 2013 - 2017 Lijun Liao
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
*
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
* THE AUTHOR LIJUN LIAO. LIJUN LIAO DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
* OF THIRD PARTY RIGHTS.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License.
*
* You can be released from the requirements of the license by purchasing
* a commercial license. Buying such a license is mandatory as soon as you
* develop commercial activities involving the XiPKI software without
* disclosing the source code of your own applications.
*
* For more information, please contact Lijun Liao at this
* address: lijun.liao@gmail.com
*/
package org.xipki.pki.scep.message;
import java.security.cert.CertificateEncodingException;
import java.security.cert.X509Certificate;
import java.util.Collection;
import java.util.HashSet;
import org.xipki.commons.common.util.ParamUtil;
import org.xipki.pki.scep.crypto.ScepHashAlgoType;
/**
* @author Lijun Liao
* @since 2.0.0
*/
public class CollectionCertificateValidator implements CertificateValidator {
private final Collection<String> certHashes;
public CollectionCertificateValidator(final Collection<X509Certificate> certs) {
ParamUtil.requireNonEmpty("certs", certs);
certHashes = new HashSet<String>(certs.size());
for (X509Certificate cert : certs) {
String hash;
try {
hash = ScepHashAlgoType.SHA256.hexDigest(cert.getEncoded());
} catch (CertificateEncodingException ex) {
throw new IllegalArgumentException(
"could not encode certificate: " + ex.getMessage(), ex);
}
certHashes.add(hash);
}
}
public CollectionCertificateValidator(final X509Certificate cert) {
ParamUtil.requireNonNull("cert", cert);
certHashes = new HashSet<String>(1);
String hash;
try {
hash = ScepHashAlgoType.SHA256.hexDigest(cert.getEncoded());
} catch (CertificateEncodingException ex) {
throw new IllegalArgumentException(
"could not encode certificate: " + ex.getMessage(), ex);
}
certHashes.add(hash);
}
@Override
public boolean trustCertificate(final X509Certificate signerCert,
final X509Certificate[] otherCerts) {
ParamUtil.requireNonNull("signerCert", signerCert);
String hash;
try {
hash = ScepHashAlgoType.SHA256.hexDigest(signerCert.getEncoded());
} catch (CertificateEncodingException ex) {
throw new IllegalArgumentException(
"could not encode certificate: " + ex.getMessage(), ex);
}
return certHashes.contains(hash);
}
}