/*
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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 2013-2016 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.regex.Pattern;
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import org.forgerock.i18n.LocalizableMessage;
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import org.opends.server.util.TimeThread;
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/** This class represents the timeofday keyword in a bind rule. */
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public class TimeOfDay implements KeywordBindRule {
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/** Regular expression matching a valid timeofday rule value (0-2359). */
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private static final Pattern timeofdayRegex = Pattern.compile("[0-2]\\d[0-5]\\d");
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/** Enumeration representing the bind rule operation type. */
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private final EnumBindRuleType type;
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/** Holds the time value parsed from the ACI. */
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private final int timeRef;
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/**
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* Constructor to create a timeofday keyword class.
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* @param timeVal The time value to check for (0-2359).
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* @param type An enumeration of the type of the expression.
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*/
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private TimeOfDay(int timeVal, EnumBindRuleType type) {
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this.timeRef=timeVal;
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this.type=type;
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}
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/**
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* Decodes a string representation of a timeofday bind rule expression.
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* @param expr A string representation of the expression.
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* @param type An enumeration of the type of the expression.
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* @return A TimeOfDay class representing the expression.
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* @throws AciException If the expression is invalid.
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*/
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public static TimeOfDay decode(String expr, EnumBindRuleType type)
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throws AciException {
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int valueAsInt = 0;
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if (!timeofdayRegex.matcher(expr).matches())
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{
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LocalizableMessage message = WARN_ACI_SYNTAX_INVALID_TIMEOFDAY.get(expr);
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throw new AciException(message);
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}
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try {
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valueAsInt = Integer.parseInt(expr);
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} catch (NumberFormatException nfe) {
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LocalizableMessage message =
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WARN_ACI_SYNTAX_INVALID_TIMEOFDAY_FORMAT.get(expr, nfe.getMessage());
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throw new AciException(message);
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}
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if (valueAsInt < 0 || valueAsInt > 2359)
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{
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LocalizableMessage message = WARN_ACI_SYNTAX_INVALID_TIMEOFDAY_RANGE.get(expr);
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throw new AciException(message);
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}
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return new TimeOfDay(valueAsInt, type);
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}
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/**
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* Evaluates the timeofday bind rule using the evaluation context
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* passed into the method.
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* @param evalCtx The evaluation context to use for the evaluation.
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* @return An enumeration result representing the result of the evaluation.
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*/
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@Override
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public EnumEvalResult evaluate(AciEvalContext evalCtx) {
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EnumEvalResult matched = evaluate() ? EnumEvalResult.TRUE : EnumEvalResult.FALSE;
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return matched.getRet(type, false);
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}
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private boolean evaluate() {
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int currentTime=TimeThread.getHourAndMinute();
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switch (type) {
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case EQUAL_BINDRULE_TYPE:
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case NOT_EQUAL_BINDRULE_TYPE:
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return currentTime != timeRef;
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case LESS_OR_EQUAL_BINDRULE_TYPE:
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return currentTime <= timeRef;
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case LESS_BINDRULE_TYPE:
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return currentTime < timeRef;
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case GREATER_OR_EQUAL_BINDRULE_TYPE:
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return currentTime >= timeRef;
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case GREATER_BINDRULE_TYPE:
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return currentTime > timeRef;
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default:
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return false;
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}
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}
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@Override
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public String toString()
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{
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final StringBuilder sb = new StringBuilder();
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toString(sb);
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return sb.toString();
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}
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@Override
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public final void toString(StringBuilder buffer)
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{
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buffer.append(super.toString());
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}
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}
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