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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.cms.profile.def;
import java.io.*;
import java.security.*;
import java.util.*;
import com.netscape.cms.profile.common.*;
import com.netscape.certsrv.base.*;
import com.netscape.certsrv.profile.*;
import com.netscape.certsrv.request.*;
import com.netscape.certsrv.property.*;
import com.netscape.certsrv.ca.*;
import com.netscape.certsrv.apps.*;
import netscape.security.x509.*;
import netscape.security.util.*;
/**
* This class implements an enrollment default policy
* that populates a subject key identifier extension
* into the certificate template.
*
* @version $Revision$, $Date$
*/
public class SubjectKeyIdentifierExtDefault extends EnrollExtDefault {
public static final String CONFIG_CRITICAL = "critical";
public static final String VAL_CRITICAL = "critical";
public static final String VAL_KEY_ID = "keyid";
public SubjectKeyIdentifierExtDefault() {
super();
addValueName(VAL_CRITICAL);
addValueName(VAL_KEY_ID);
}
public void init(IProfile profile, IConfigStore config)
throws EProfileException {
super.init(profile, config);
}
public IDescriptor getValueDescriptor(Locale locale, String name) {
if (name.equals(VAL_CRITICAL)) {
return new Descriptor(IDescriptor.STRING,
IDescriptor.READONLY,
null,
CMS.getUserMessage(locale, "CMS_PROFILE_CRITICAL"));
} else if (name.equals(VAL_KEY_ID)) {
return new Descriptor(IDescriptor.STRING,
IDescriptor.READONLY,
null,
CMS.getUserMessage(locale, "CMS_PROFILE_KEY_ID"));
} else {
return null;
}
}
public void setValue(String name, Locale locale,
X509CertInfo info, String value)
throws EPropertyException {
if (name == null) {
throw new EPropertyException(CMS.getUserMessage(
locale, "CMS_INVALID_PROPERTY", name));
}
if (name.equals(VAL_CRITICAL)) {
// read-only; do nothing
} else if (name.equals(VAL_KEY_ID)) {
// read-only; do nothing
} else {
throw new EPropertyException(CMS.getUserMessage(
locale, "CMS_INVALID_PROPERTY", name));
}
}
public String getValue(String name, Locale locale,
X509CertInfo info)
throws EPropertyException {
if (name == null) {
throw new EPropertyException(CMS.getUserMessage(
locale, "CMS_INVALID_PROPERTY", name));
}
SubjectKeyIdentifierExtension ext =
(SubjectKeyIdentifierExtension) getExtension(
PKIXExtensions.SubjectKey_Id.toString(), info);
if(ext == null)
{
try {
populate(null,info);
} catch (EProfileException e) {
throw new EPropertyException(CMS.getUserMessage(
locale, "CMS_INVALID_PROPERTY", name));
}
}
if (name.equals(VAL_CRITICAL)) {
ext =
(SubjectKeyIdentifierExtension) getExtension(
PKIXExtensions.SubjectKey_Id.toString(), info);
if (ext == null) {
return null;
}
if (ext.isCritical()) {
return "true";
} else {
return "false";
}
} else if (name.equals(VAL_KEY_ID)) {
ext =
(SubjectKeyIdentifierExtension) getExtension(
PKIXExtensions.SubjectKey_Id.toString(), info);
if (ext == null) {
return null;
}
KeyIdentifier kid = null;
try {
kid = (KeyIdentifier)
ext.get(SubjectKeyIdentifierExtension.KEY_ID);
} catch (IOException e) {
CMS.debug( "SubjectKeyIdentifierExtDefault::getValue() - " +
"kid is null!" );
throw new EPropertyException( CMS.getUserMessage( locale,
"CMS_INVALID_PROPERTY",
name ) );
}
return toHexString(kid.getIdentifier());
} else {
throw new EPropertyException(CMS.getUserMessage(
locale, "CMS_INVALID_PROPERTY", name));
}
}
public String getText(Locale locale) {
return CMS.getUserMessage(locale, "CMS_PROFILE_DEF_SUBJECT_KEY_ID_EXT");
}
/**
* Populates the request with this policy default.
*/
public void populate(IRequest request, X509CertInfo info)
throws EProfileException {
SubjectKeyIdentifierExtension ext = createExtension(info);
addExtension(PKIXExtensions.SubjectKey_Id.toString(), ext, info);
}
public SubjectKeyIdentifierExtension createExtension(X509CertInfo info) {
KeyIdentifier kid = getKeyIdentifier(info);
if (kid == null) {
CMS.debug("SubjectKeyIdentifierExtDefault: KeyIdentifier not found");
return null;
}
SubjectKeyIdentifierExtension ext = null;
boolean critical = Boolean.valueOf(getConfig(CONFIG_CRITICAL)).booleanValue();
try {
ext = new SubjectKeyIdentifierExtension(critical, kid.getIdentifier());
} catch (IOException e) {
CMS.debug("SubjectKeyIdentifierExtDefault: createExtension " +
e.toString());
//
}
return ext;
}
public KeyIdentifier getKeyIdentifier(X509CertInfo info) {
try {
CertificateX509Key infokey = (CertificateX509Key)
info.get(X509CertInfo.KEY);
X509Key key = (X509Key) infokey.get(CertificateX509Key.KEY);
MessageDigest md = MessageDigest.getInstance("SHA-1");
md.update(key.getKey());
byte[] hash = md.digest();
return new KeyIdentifier(hash);
} catch (NoSuchAlgorithmException e) {
CMS.debug("SubjectKeyIdentifierExtDefault: getKeyIdentifier " +
e.toString());
} catch (Exception e) {
CMS.debug("SubjectKeyIdentifierExtDefault: getKeyIdentifier " +
e.toString());
}
return null;
}
}
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