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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.constraint;
import java.util.*;
import java.io.*;
import com.netscape.certsrv.base.*;
import com.netscape.certsrv.ca.*;
import com.netscape.certsrv.profile.*;
import com.netscape.certsrv.request.*;
import com.netscape.certsrv.property.*;
import com.netscape.certsrv.apps.*;
import com.netscape.cms.profile.def.*;
import netscape.security.x509.*;
/**
* This class implements the signing algorithm constraint.
* It checks if the signing algorithm in the certificate
* template satisfies the criteria.
*
* @version $Revision$, $Date$
*/
public class SigningAlgConstraint extends EnrollConstraint {
public static final String CONFIG_ALGORITHMS_ALLOWED = "signingAlgsAllowed";
private static StringBuffer sb = new StringBuffer("");
static {
for (int i = 0; i < AlgorithmId.ALL_SIGNING_ALGORITHMS.length; i++) {
if (i > 0) {
sb.append(",");
}
sb.append(AlgorithmId.ALL_SIGNING_ALGORITHMS[i]);
}
}
public static final String DEF_CONFIG_ALGORITHMS = new String(sb);
public SigningAlgConstraint() {
super();
addConfigName(CONFIG_ALGORITHMS_ALLOWED);
}
public void init(IProfile profile, IConfigStore config)
throws EProfileException {
super.init(profile, config);
}
public void setConfig(String name, String value)
throws EPropertyException {
if (mConfig.getSubStore("params") == null) {
CMS.debug("SigningAlgConstraint: mConfig.getSubStore is null");
} else {
CMS.debug("SigningAlgConstraint: setConfig name=" + name +
" value=" + value);
if(name.equals(CONFIG_ALGORITHMS_ALLOWED))
{
StringTokenizer st = new StringTokenizer(value, ",");
while (st.hasMoreTokens()) {
String v = st.nextToken();
if (DEF_CONFIG_ALGORITHMS.indexOf(v) == -1) {
throw new EPropertyException(
CMS.getUserMessage("CMS_PROFILE_PROPERTY_ERROR", v));
}
}
}
mConfig.getSubStore("params").putString(name, value);
}
}
public IDescriptor getConfigDescriptor(Locale locale, String name) {
if (name.equals(CONFIG_ALGORITHMS_ALLOWED)) {
return new Descriptor(IDescriptor.STRING, null,
DEF_CONFIG_ALGORITHMS,
CMS.getUserMessage(locale,
"CMS_PROFILE_SIGNING_ALGORITHMS_ALLOWED"));
}
return null;
}
/**
* Validates the request. The request is not modified
* during the validation.
*/
public void validate(IRequest request, X509CertInfo info)
throws ERejectException {
CertificateAlgorithmId algId = null;
try {
algId = (CertificateAlgorithmId) info.get(X509CertInfo.ALGORITHM_ID);
AlgorithmId id = (AlgorithmId)
algId.get(CertificateAlgorithmId.ALGORITHM);
Vector mCache = new Vector();
StringTokenizer st = new StringTokenizer(
getConfig(CONFIG_ALGORITHMS_ALLOWED), ",");
while (st.hasMoreTokens()) {
String token = st.nextToken();
mCache.addElement(token);
}
if (!mCache.contains(id.toString())) {
throw new ERejectException(CMS.getUserMessage(
getLocale(request),
"CMS_PROFILE_SIGNING_ALGORITHM_NOT_MATCHED", id.toString()));
}
} catch (Exception e) {
if (e instanceof ERejectException) {
throw (ERejectException) e;
}
CMS.debug("SigningAlgConstraint: " + e.toString());
throw new ERejectException(CMS.getUserMessage(
getLocale(request), "CMS_PROFILE_SIGNING_ALGORITHM_NOT_FOUND"));
}
}
public String getText(Locale locale) {
return CMS.getUserMessage(locale, "CMS_PROFILE_CONSTRAINT_SIGNING_ALG_TEXT", getConfig(CONFIG_ALGORITHMS_ALLOWED));
}
public boolean isApplicable(IPolicyDefault def) {
if (def instanceof NoDefault)
return true;
if (def instanceof UserSigningAlgDefault)
return true;
if (def instanceof SigningAlgDefault)
return true;
return false;
}
}
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