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Diffstat (limited to 'pki/base/common/src/com/netscape/cms/evaluators/GroupAccessEvaluator.java')
| -rw-r--r-- | pki/base/common/src/com/netscape/cms/evaluators/GroupAccessEvaluator.java | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/pki/base/common/src/com/netscape/cms/evaluators/GroupAccessEvaluator.java b/pki/base/common/src/com/netscape/cms/evaluators/GroupAccessEvaluator.java new file mode 100644 index 000000000..f51fd2cbb --- /dev/null +++ b/pki/base/common/src/com/netscape/cms/evaluators/GroupAccessEvaluator.java @@ -0,0 +1,182 @@ +// --- 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.base.*; +import com.netscape.certsrv.apps.*; +import com.netscape.certsrv.authentication.*; +import com.netscape.certsrv.acls.*; +import com.netscape.certsrv.evaluators.*; +import com.netscape.certsrv.usrgrp.*; +import com.netscape.certsrv.logging.*; +import com.netscape.certsrv.apps.*; +import com.netscape.certsrv.usrgrp.*; +import com.netscape.cmsutil.util.*; + + +/** + * A class represents a group acls evaluator. + * <P> + * + * @version $Revision$, $Date$ + */ +public class GroupAccessEvaluator implements IAccessEvaluator { + private String mType = "group"; + private IUGSubsystem mUG = null; + private String mDescription = "group membership evaluator"; + private ILogger mLogger = CMS.getLogger(); + + /** + * Class constructor. + */ + public GroupAccessEvaluator() { + + mUG = (IUGSubsystem) CMS.getSubsystem(CMS.SUBSYSTEM_UG); + + if (mUG == null) { + log(ILogger.LL_FAILURE, CMS.getLogMessage("EVALUTOR_UG_NULL")); + } + } + + /** + * initialization. nothing for now. + */ + public void init() { + CMS.debug("GroupAccessEvaluator: init"); + } + + /** + * gets the type name for this acl evaluator + * @return type for this acl evaluator: "group" or "at_group" + */ + 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 uid in AuthToken to see if it has membership in + * group value + * @param authToken authentication token + * @param type must be "at_group" + * @param op must be "=" + * @param value the group name + * @return true if AuthToken uid belongs to the group value, + * false otherwise + */ + public boolean evaluate(IAuthToken authToken, String type, String op, String value) { + + if (type.equals(mType)) { + // should define "uid" at a common place + String uid = null; + + uid = authToken.getInString("userid"); + if (uid == null) { + uid = authToken.getInString("uid"); + if (uid == null) { + CMS.debug("GroupAccessEvaluator: evaluate: uid null"); + log(ILogger.LL_FAILURE, CMS.getLogMessage("EVALUTOR_UID_NULL")); + return false; + } + } + CMS.debug("GroupAccessEvaluator: evaluate: uid="+uid +" value="+value); + + String groupname = authToken.getInString("gid"); + + if (groupname != null) { + CMS.debug("GroupAccessEvaluator: evaluate: authToken gid="+groupname); + if (op.equals("=")) { + return groupname.equals(Utils.stripQuotes(value)); + } else if (op.equals("!=")) { + return !groupname.equals(Utils.stripQuotes(value)); + } + } else { + CMS.debug("GroupAccessEvaluator: evaluate: no gid in authToken"); + IUser id = null; + try { + id = mUG.getUser(uid); + } catch (EBaseException e) { + CMS.debug("GroupAccessEvaluator: " + e.toString()); + return false; + } + + if (op.equals("=")) { + return mUG.isMemberOf(id, Utils.stripQuotes(value)); + } else if (op.equals("!=")) { + return !(mUG.isMemberOf(id, Utils.stripQuotes(value))); + } + } + } + + return false; + } + + /** + * 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(); + + if (type.equals(mType)) { + IUser id = (IUser) mSC.get(SessionContext.USER); + + if (id == null) { + log(ILogger.LL_FAILURE, CMS.getLogMessage("EVALUTOR_UID_NULL")); + return false; + } + if (op.equals("=")) + return mUG.isMemberOf(id, Utils.stripQuotes(value)); + else + return !(mUG.isMemberOf(id, Utils.stripQuotes(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); + } + +} |