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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.evaluators;
import com.netscape.certsrv.apps.CMS;
import com.netscape.certsrv.authentication.IAuthToken;
import com.netscape.certsrv.base.SessionContext;
import com.netscape.certsrv.evaluators.IAccessEvaluator;
import com.netscape.certsrv.logging.ILogger;
import com.netscape.cmsutil.util.Utils;
/**
* A class represents a IP address acls evaluator.
* <P>
*
* @version $Revision$, $Date$
*/
public class IPAddressAccessEvaluator implements IAccessEvaluator {
private String mType = "ipaddress";
private String mDescription = "IP Address evaluator";
private ILogger mLogger = CMS.getLogger();
/**
* Class constructor.
*/
public IPAddressAccessEvaluator() {
}
/**
* initialization. nothing for now.
*/
public void init() {
}
/**
* gets the type name for this acl evaluator
* @return type for this acl evaluator: ipaddress
*/
public String getType() {
return mType;
}
/**
* gets the description for this acl evaluator
* @return description for this acl evaluator
*/
public String getDescription() {
return mDescription;
}
public String[] getSupportedOperators() {
String[] s = new String[2];
s[0] = "=";
s[1] = "!=";
return s;
}
/**
* Gets the IP address from session context
* @param authToken authentication token
* @param type must be "ipaddress"
* @param op must be "=" or "!="
* @param value the ipaddress
*/
public boolean evaluate(IAuthToken authToken, String type, String op, String value) {
return evaluate(type, op, value);
}
/**
* evaluates uid in SessionContext to see if it has membership in
* group value
* @param type must be "group"
* @param op must be "="
* @param value the group name
* @return true if SessionContext uid belongs to the group value,
* false otherwise
*/
public boolean evaluate(String type, String op, String value) {
SessionContext mSC = SessionContext.getContext();
value = Utils.stripQuotes(value);
String ipaddress = (String) mSC.get(SessionContext.IPADDRESS);
if (type.equals(mType)) {
if (ipaddress == null) {
log(ILogger.LL_FAILURE, CMS.getLogMessage("EVALUATOR_IPADDRESS_NULL"));
return false;
}
if (op.equals("=")) {
return ipaddress.matches(value);
} else {
return !(ipaddress.matches(value));
}
}
return false;
}
private void log(int level, String msg) {
if (mLogger == null)
return;
mLogger.log(ILogger.EV_SYSTEM, null, ILogger.S_ACLS,
level, "GroupAccessEvaluator: " + msg);
}
}
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