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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.policy.constraints;
import java.util.Date;
import java.util.Locale;
import java.util.Vector;
import netscape.security.x509.CertificateValidity;
import netscape.security.x509.X509CertImpl;
import netscape.security.x509.X509CertInfo;
import com.netscape.certsrv.apps.CMS;
import com.netscape.certsrv.base.EBaseException;
import com.netscape.certsrv.base.IConfigStore;
import com.netscape.certsrv.base.IExtendedPluginInfo;
import com.netscape.certsrv.base.ISubsystem;
import com.netscape.certsrv.policy.EPolicyException;
import com.netscape.certsrv.policy.IRenewalPolicy;
import com.netscape.certsrv.request.IRequest;
import com.netscape.certsrv.request.PolicyResult;
import com.netscape.cms.policy.APolicyRule;
/**
* Whether to allow renewal of an expired cert.
* @version $Revision$, $Date$
* <P>
* <PRE>
* NOTE: The Policy Framework has been replaced by the Profile Framework.
* </PRE>
* <P>
*
* @deprecated
* @version $Revision$, $Date$
*/
public class RenewalConstraints extends APolicyRule
implements IRenewalPolicy, IExtendedPluginInfo {
private static final String PROP_ALLOW_EXPIRED_CERTS = "allowExpiredCerts";
private static final String PROP_RENEWAL_NOT_AFTER = "renewalNotAfter";
private boolean mAllowExpiredCerts = true;
private long mRenewalNotAfter = 0;
public final static int DEF_RENEWAL_NOT_AFTER = 30;
public final static long DAYS_TO_MS_FACTOR = 24L * 3600 * 1000;
private final static Vector defConfParams = new Vector();
static {
defConfParams.addElement(PROP_ALLOW_EXPIRED_CERTS + "=" + true);
defConfParams.addElement(PROP_RENEWAL_NOT_AFTER + "=" +
DEF_RENEWAL_NOT_AFTER);
}
public RenewalConstraints() {
NAME = "RenewalConstraints";
DESC = "Whether to allow renewal of expired certs.";
}
public String[] getExtendedPluginInfo(Locale locale) {
String[] params = {
PROP_ALLOW_EXPIRED_CERTS + ";boolean;Allow a user to renew an already-expired certificate",
PROP_RENEWAL_NOT_AFTER + ";number;Number of days since certificate expiry after which renewal request would be rejected",
IExtendedPluginInfo.HELP_TOKEN +
";configuration-policyrules-renewalconstraints",
IExtendedPluginInfo.HELP_TEXT +
";Permit administrator to decide policy on whether to " +
"permit renewals for already-expired certificates"
};
return params;
}
/**
* Initializes this policy rule.
* <P>
*
* The entries probably are of the form:
*
* ra.Policy.rule.<ruleName>.implName=ValidityConstraints
* ra.Policy.rule.<ruleName>.enable=true
* ra.Policy.rule.<ruleName>.allowExpiredCerts=true
*
* @param config The config store reference
*/
public void init(ISubsystem owner, IConfigStore config)
throws EPolicyException {
// Get min and max validity in days and configure them.
try {
mAllowExpiredCerts =
config.getBoolean(PROP_ALLOW_EXPIRED_CERTS, true);
String val = config.getString(PROP_RENEWAL_NOT_AFTER, null);
if (val == null)
mRenewalNotAfter = DEF_RENEWAL_NOT_AFTER * DAYS_TO_MS_FACTOR;
else {
mRenewalNotAfter = Long.parseLong(val) * DAYS_TO_MS_FACTOR;
}
} catch (EBaseException e) {
// never happen.
}
CMS.debug("RenewalConstraints: allow expired certs " + mAllowExpiredCerts);
}
/**
* Applies the policy on the given Request.
* <P>
*
* @param req The request on which to apply policy.
* @return The policy result object.
*/
public PolicyResult apply(IRequest req) {
PolicyResult result = PolicyResult.ACCEPTED;
try {
// Get the certificates being renwed.
X509CertImpl[] oldCerts =
req.getExtDataInCertArray(IRequest.OLD_CERTS);
if (oldCerts == null) {
setError(req, CMS.getUserMessage("CMS_POLICY_NO_OLD_CERT",
getInstanceName()), "");
return PolicyResult.REJECTED;
}
if (mAllowExpiredCerts) {
CMS.debug("checking validity of each cert");
// check if each cert to be renewed is expired for more than // allowed days.
for (int i = 0; i < oldCerts.length; i++) {
X509CertInfo oldCertInfo = (X509CertInfo)
oldCerts[i].get(X509CertImpl.NAME + "." +
X509CertImpl.INFO);
CertificateValidity oldValidity = (CertificateValidity)
oldCertInfo.get(X509CertInfo.VALIDITY);
Date notAfter = (Date)
oldValidity.get(CertificateValidity.NOT_AFTER);
// Is the Certificate eligible for renewal ?
Date now = CMS.getCurrentDate();
Date renewedNotAfter = new Date(notAfter.getTime() +
mRenewalNotAfter);
CMS.debug("RenewalConstraints: cert " + i + " renewedNotAfter " + renewedNotAfter + " now=" + now);
if (renewedNotAfter.before(now)) {
CMS.debug(
"One or more certificates is expired for more than " + (mRenewalNotAfter / DAYS_TO_MS_FACTOR) + " days");
String params[] = { getInstanceName(), Long.toString(mRenewalNotAfter / DAYS_TO_MS_FACTOR) };
setError(req,
CMS.getUserMessage("CMS_POLICY_CANNOT_RENEW_EXPIRED_CERTS_AFTER_ALLOWED_PERIOD",
params), "");
return PolicyResult.REJECTED;
}
}
return PolicyResult.ACCEPTED;
}
CMS.debug("RenewalConstraints: checking validity of each cert");
// check if each cert to be renewed is expired.
for (int i = 0; i < oldCerts.length; i++) {
X509CertInfo oldCertInfo = (X509CertInfo)
oldCerts[i].get(
X509CertImpl.NAME + "." + X509CertImpl.INFO);
CertificateValidity oldValidity = (CertificateValidity)
oldCertInfo.get(X509CertInfo.VALIDITY);
Date notAfter = (Date)
oldValidity.get(CertificateValidity.NOT_AFTER);
// Is the Certificate still valid?
Date now = CMS.getCurrentDate();
CMS.debug("RenewalConstraints: cert " + i + " notAfter " + notAfter + " now=" + now);
if (notAfter.before(now)) {
CMS.debug(
"RenewalConstraints: One or more certificates is expired.");
String params[] = { getInstanceName() };
setError(req,
CMS.getUserMessage("CMS_POLICY_CANNOT_RENEW_EXPIRED_CERTS",
params), "");
result = PolicyResult.REJECTED;
break;
}
}
} catch (Exception e) {
String params[] = {getInstanceName(), e.toString()};
setError(req, CMS.getUserMessage("CMS_POLICY_UNEXPECTED_POLICY_ERROR", params), "");
result = PolicyResult.REJECTED;
}
return result;
}
/**
* Return configured parameters for a policy rule instance.
*
* @return nvPairs A Vector of name/value pairs.
*/
public Vector getInstanceParams() {
Vector confParams = new Vector();
confParams.addElement(
PROP_ALLOW_EXPIRED_CERTS + "=" + mAllowExpiredCerts);
confParams.addElement(PROP_RENEWAL_NOT_AFTER + "=" +
mRenewalNotAfter / DAYS_TO_MS_FACTOR);
return confParams;
}
/**
* Return default parameters for a policy implementation.
*
* @return nvPairs A Vector of name/value pairs.
*/
public Vector getDefaultParams() {
return defConfParams;
}
}
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