/*
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* The contents of this file are subject to the terms of the Common Development and
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* Distribution License (the License). You may not use this file except in compliance with the
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* License.
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*
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* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
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* specific language governing permission and limitations under the License.
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*
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* When distributing Covered Software, include this CDDL Header Notice in each file and include
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* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
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* Header, with the fields enclosed by brackets [] replaced by your own identifying
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* information: "Portions Copyright [year] [name of copyright owner]".
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*
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* Copyright 2008 Sun Microsystems, Inc.
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* Portions Copyright 2013-2015 ForgeRock AS.
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*/
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package org.opends.server.authorization.dseecompat;
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import static org.opends.messages.AccessControlMessages.*;
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import java.util.HashSet;
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import java.util.Set;
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/**
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* This class represents an ACI's targetcontrol keyword.
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*/
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public class TargetControl {
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/** HashSet of OID strings parsed from the decode. */
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private Set<String> controlOIDS = new HashSet<>();
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/** Enumeration representing the targetcontrol operator. */
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private EnumTargetOperator op = EnumTargetOperator.EQUALITY;
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/**
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* Creates a class that can be used to evaluate a targetcontrol.
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*
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* @param op The operator of the targetcontrol expression (=, !=).
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* @param controlOIDS Set of control OIDS to use in the evaluation (may
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* contain wild-card '*').
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*/
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private TargetControl(EnumTargetOperator op, Set<String> controlOIDS)
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{
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this.controlOIDS=controlOIDS;
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this.op=op;
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}
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/**
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* Decode an targetcontrol expression string.
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*
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* @param operator An enumeration representing the operator type.
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* @param expr A string representing the targetcontrol expression.
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* @return A class representing the targetcontrol expression that can be
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* used to evaluate an ACI.
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*
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* @throws AciException If the specified expression string is invalid.
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*/
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public static TargetControl decode(EnumTargetOperator operator, String expr)
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throws AciException {
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Set<String> controlOIDs = Aci.decodeOID(expr,
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WARN_ACI_SYNTAX_INVALID_TARGETCONTROL_EXPRESSION.get(expr));
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return new TargetControl(operator, controlOIDs);
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}
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/**
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* Check if a targetcontrol is applicable based on the provided target match
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* context.
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*
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* @param matchCtx The target match context to use in the check.
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* @return True if the targetcontrol is applicable based on the context.
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*/
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public boolean isApplicable(AciTargetMatchContext matchCtx) {
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if(matchCtx.getControlOID() == null)
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{
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return false;
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}
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boolean ret = false;
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for(String oid : controlOIDS)
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{
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if(oid.equals("*") || matchCtx.getControlOID().equals(oid)) {
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ret=true;
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break;
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}
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}
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if(op.equals(EnumTargetOperator.NOT_EQUALITY))
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{
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ret = !ret;
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}
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return ret;
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}
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}
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