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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) 2008 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.certsrv.usrgrp.IUser;
import com.netscape.cmsutil.util.Utils;
/**
* A class represents a user-origreq uid mapping acls evaluator.
* This is primarily used for renewal. During renewal, the orig_req
* uid is placed in the SessionContext of the renewal session context
* to be evaluated by this evaluator
* <P>
*
* @author Christina Fu
* @version $Revision$, $Date$
*/
public class UserOrigReqAccessEvaluator implements IAccessEvaluator {
private String mType = "user_origreq";
private String mDescription = "user origreq matching evaluator";
private ILogger mLogger = CMS.getLogger();
private final static String ANYBODY = "anybody";
private final static String EVERYBODY = "everybody";
/**
* Class constructor.
*/
public UserOrigReqAccessEvaluator() {
}
/**
* initialization. nothing for now.
*/
public void init() {
CMS.debug("UserOrigReqAccessEvaluator: init");
}
/**
* gets the type name for this acl evaluator
* @return type for this acl evaluator: "user_origreq" or "at_user_origreq"
*/
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;
}
/**
* Evaluates the user in AuthToken to see if it's equal to value
* @param authToken AuthToken from authentication
* @param type must be "at_userreq"
* @param op must be "="
* @param value the request param name
* @return true if AuthToken uid is same as value, false otherwise
*/
public boolean evaluate(IAuthToken authToken, String type, String op, String value) {
CMS.debug("UserOrigReqAccessEvaluator: evaluate() begins");
if (type.equals(mType)) {
String s = Utils.stripQuotes(value);
if ((s.equals(ANYBODY) || s.equals(EVERYBODY)) && op.equals("="))
return true;
// should define "uid" at a common place
String uid = null;
uid = authToken.getInString("uid");
if (uid == null) {
CMS.debug("UserOrigReqAccessEvaluator: evaluate() uid in authtoken null");
return false;
} else
CMS.debug("UserOrigReqAccessEvaluator: evaluate() uid in authtoken ="+ uid);
// find value of param in request
SessionContext mSC = SessionContext.getContext();
CMS.debug("UserOrigReqAccessEvaluator: evaluate() getting "+"orig_req."+s+ " in SessionContext");
// "orig_req.auth_token.uid"
String orig_id = (String) mSC.get("orig_req."+s);
if (orig_id == null) {
CMS.debug("UserOrigReqAccessEvaluator: evaluate() orig_id null");
return false;
}
CMS.debug("UserOrigReqAccessEvaluator: evaluate() orig_id ="+ orig_id);
if (op.equals("="))
return uid.equalsIgnoreCase(orig_id);
else if (op.equals("!="))
return !(uid.equalsIgnoreCase(orig_id));
}
return false;
}
/**
* Evaluates the user in session context to see if it's equal to value
* @param type must be "user_origreq"
* @param op must be "="
* @param value the user id
* @return true if SessionContext uid is same as value, false otherwise
*/
public boolean evaluate(String type, String op, String value) {
SessionContext mSC = SessionContext.getContext();
if (type.equals(mType)) {
// what do I do with s here?
String s = Utils.stripQuotes(value);
if (s.equals(ANYBODY) && op.equals("="))
return true;
IUser id = (IUser) mSC.get(SessionContext.USER);
// "orig_req.auth_token.uid"
String orig_id = (String) mSC.get("orig_req"+s);
if (op.equals("="))
return id.getName().equalsIgnoreCase(orig_id);
else if (op.equals("!="))
return !(id.getName().equalsIgnoreCase(orig_id));
}
return false;
}
}
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