/*
|
* CDDL HEADER START
|
*
|
* The contents of this file are subject to the terms of the
|
* Common Development and Distribution License, Version 1.0 only
|
* (the "License"). You may not use this file except in compliance
|
* with the License.
|
*
|
* You can obtain a copy of the license at
|
* trunk/opends/resource/legal-notices/OpenDS.LICENSE
|
* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
|
* See the License for the specific language governing permissions
|
* and limitations under the License.
|
*
|
* When distributing Covered Code, include this CDDL HEADER in each
|
* file and include the License file at
|
* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
|
* add the following below this CDDL HEADER, with the fields enclosed
|
* by brackets "[]" replaced with your own identifying information:
|
* Portions Copyright [yyyy] [name of copyright owner]
|
*
|
* CDDL HEADER END
|
*
|
*
|
* Portions Copyright 2007 Sun Microsystems, Inc.
|
*/
|
|
package org.opends.server.authorization.dseecompat;
|
|
import static org.opends.server.messages.AciMessages.*;
|
import static org.opends.server.authorization.dseecompat.Aci.*;
|
import static org.opends.server.messages.MessageHandler.getMessage;
|
import org.opends.server.types.*;
|
import org.opends.server.api.Group;
|
import org.opends.server.core.GroupManager;
|
import org.opends.server.core.DirectoryServer;
|
import java.util.Iterator;
|
import java.util.LinkedList;
|
import java.util.List;
|
import java.util.LinkedHashSet;
|
import java.util.regex.Matcher;
|
import java.util.regex.Pattern;
|
|
|
/**
|
* This class implements the groupdn bind rule keyword.
|
*/
|
public class GroupDN implements KeywordBindRule {
|
|
/*
|
* List of group DNs.
|
*/
|
LinkedList<DN> groupDNs=null;
|
|
/*
|
* Enumeration representing the groupdn operator type.
|
*/
|
private EnumBindRuleType type=null;
|
|
/*
|
* Group manager needed for group API.
|
*/
|
private static GroupManager groupManager =
|
DirectoryServer.getGroupManager();
|
/**
|
* Regular expression matching one or more LDAP URLs separated by
|
* "||".
|
*/
|
public static final String LDAP_URLS = LDAP_URL +
|
ZERO_OR_MORE_WHITESPACE + "(" + LOGICAL_OR +
|
ZERO_OR_MORE_WHITESPACE + LDAP_URL + ")*";
|
|
/**
|
* Create a class representing a groupdn bind rule keyword.
|
* @param type An enumeration representing the bind rule type.
|
* @param groupDNs A list of the dns representing groups.
|
*/
|
private GroupDN(EnumBindRuleType type, LinkedList<DN> groupDNs ) {
|
this.groupDNs=groupDNs;
|
this.type=type;
|
}
|
|
/**
|
* Decode an string expression representing a groupdn bind rule.
|
* @param expr A string representation of the bind rule.
|
* @param type An enumeration of the type of the bind rule.
|
* @return A keyword bind rule class that can be used to evaluate
|
* this bind rule.
|
* @throws AciException If the expression string is invalid.
|
*/
|
public static KeywordBindRule decode(String expr, EnumBindRuleType type)
|
throws AciException {
|
if (!Pattern.matches(LDAP_URLS, expr)) {
|
int msgID = MSGID_ACI_SYNTAX_INVALID_GROUPDN_EXPRESSION;
|
String message = getMessage(msgID, expr);
|
throw new AciException(msgID, message);
|
}
|
LinkedList<DN>groupDNs=new LinkedList<DN>();
|
int ldapURLPos = 1;
|
Pattern ldapURLPattern = Pattern.compile(LDAP_URL);
|
Matcher ldapURLMatcher = ldapURLPattern.matcher(expr);
|
while (ldapURLMatcher.find()) {
|
try {
|
String value = ldapURLMatcher.group(ldapURLPos).trim();
|
DN dn=LDAPURL.decode(value, true).getBaseDN();
|
groupDNs.add(dn);
|
} catch (DirectoryException ex) {
|
int msgID = MSGID_ACI_SYNTAX_INVALID_GROUPDN_URL;
|
String message = getMessage(msgID, ex.getErrorMessage());
|
throw new AciException(msgID, message);
|
}
|
}
|
return new GroupDN(type, groupDNs);
|
}
|
|
/**
|
* Performs the evaluation of a groupdn bind rule based on the
|
* evaluation context passed to it. The evaluation stops when there
|
* are no more group DNs to evaluate, or if a group DN evaluates to true
|
* if it contains the client DN.
|
* @param evalCtx An evaluation context to use in the evaluation.
|
* @return Enumeration evaluation result.
|
*/
|
public EnumEvalResult evaluate(AciEvalContext evalCtx) {
|
EnumEvalResult matched = EnumEvalResult.FALSE;
|
Iterator<DN> it=groupDNs.iterator();
|
for(; it.hasNext() && matched != EnumEvalResult.TRUE;) {
|
DN groupDN=it.next();
|
Group group = groupManager.getGroupInstance(groupDN);
|
if((group != null) && (evalCtx.isMemberOf(group)))
|
matched = EnumEvalResult.TRUE;
|
}
|
return matched.getRet(type, false);
|
}
|
|
/**
|
* Performs an evaluation of a group that was specified in an attribute
|
* type value of the specified entry and attribute type. Each
|
* value of the attribute type is assumed to be a group DN and evaluation
|
* stops when there are no more values or if the group DN evaluates to
|
* true if it contains the client DN.
|
* @param e The entry to use in the evaluation.
|
* @param evalCtx The evaluation context to use in the evaluation.
|
* @param attributeType The attribute type of the entry to use to get the
|
* values for the groupd DNs.
|
* @return Enumeration evaluation result.
|
*/
|
public static EnumEvalResult evaluate (Entry e, AciEvalContext evalCtx,
|
AttributeType attributeType) {
|
EnumEvalResult matched= EnumEvalResult.FALSE;
|
List<Attribute> attrs = e.getAttribute(attributeType);
|
LinkedHashSet<AttributeValue> vals = attrs.get(0).getValues();
|
for(AttributeValue v : vals) {
|
try {
|
DN groupDN=DN.decode(v.getStringValue());
|
Group group = groupManager.getGroupInstance(groupDN);
|
if((group != null) && (evalCtx.isMemberOf(group))) {
|
matched=EnumEvalResult.TRUE;
|
break;
|
}
|
} catch (DirectoryException ex) {
|
break;
|
}
|
}
|
return matched;
|
}
|
}
|
