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Diffstat (limited to 'base/common/src/com/netscape/cms/evaluators/UserAccessEvaluator.java')
-rw-r--r-- | base/common/src/com/netscape/cms/evaluators/UserAccessEvaluator.java | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/base/common/src/com/netscape/cms/evaluators/UserAccessEvaluator.java b/base/common/src/com/netscape/cms/evaluators/UserAccessEvaluator.java new file mode 100644 index 000000000..bf7727c92 --- /dev/null +++ b/base/common/src/com/netscape/cms/evaluators/UserAccessEvaluator.java @@ -0,0 +1,153 @@ +// --- 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.certsrv.usrgrp.IUser; +import com.netscape.cmsutil.util.Utils; + +/** + * A class represents a user acls evaluator. + * <P> + * + * @version $Revision$, $Date$ + */ +public class UserAccessEvaluator implements IAccessEvaluator { + private String mType = "user"; + private String mDescription = "user equivalence evaluator"; + private ILogger mLogger = CMS.getLogger(); + + private final static String ANYBODY = "anybody"; + private final static String EVERYBODY = "everybody"; + + /** + * Class constructor. + */ + public UserAccessEvaluator() { + } + + /** + * initialization. nothing for now. + */ + public void init() { + CMS.debug("UserAccessEvaluator: init"); + } + + /** + * gets the type name for this acl evaluator + * + * @return type for this acl evaluator: "user" or "at_user" + */ + 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_user" + * @param op must be "=" + * @param value the user id + * @return true if AuthToken uid is same as value, false otherwise + */ + public boolean evaluate(IAuthToken authToken, String type, String op, String value) { + + 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) { + log(ILogger.LL_FAILURE, CMS.getLogMessage("EVALUTOR_UID_IS_NULL")); + return false; + } + + if (op.equals("=")) + return s.equalsIgnoreCase(uid); + else if (op.equals("!=")) + return !(s.equalsIgnoreCase(uid)); + } + + return false; + } + + /** + * Evaluates the user in session context to see if it's equal to value + * + * @param type must be "user" + * @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)) { + String s = Utils.stripQuotes(value); + + if (s.equals(ANYBODY) && op.equals("=")) + return true; + + IUser id = (IUser) mSC.get(SessionContext.USER); + + if (op.equals("=")) + return s.equalsIgnoreCase(id.getName()); + else if (op.equals("!=")) + return !(s.equalsIgnoreCase(id.getName())); + } + + return false; + } + + private void log(int level, String msg) { + if (mLogger == null) + return; + mLogger.log(ILogger.EV_SYSTEM, null, ILogger.S_ACLS, + level, "UserAccessEvaluator: " + msg); + } + +} |