001 /*
002 * CDDL HEADER START
003 *
004 * The contents of this file are subject to the terms of the
005 * Common Development and Distribution License, Version 1.0 only
006 * (the "License"). You may not use this file except in compliance
007 * with the License.
008 *
009 * You can obtain a copy of the license at
010 * trunk/opends/resource/legal-notices/OpenDS.LICENSE
011 * or https://OpenDS.dev.java.net/OpenDS.LICENSE.
012 * See the License for the specific language governing permissions
013 * and limitations under the License.
014 *
015 * When distributing Covered Code, include this CDDL HEADER in each
016 * file and include the License file at
017 * trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
018 * add the following below this CDDL HEADER, with the fields enclosed
019 * by brackets "[]" replaced with your own identifying information:
020 * Portions Copyright [yyyy] [name of copyright owner]
021 *
022 * CDDL HEADER END
023 *
024 *
025 * Copyright 2008 Sun Microsystems, Inc.
026 */
027
028 package org.opends.server.authorization.dseecompat;
029 import org.opends.messages.Message;
030
031 import static org.opends.messages.AccessControlMessages.*;
032 import org.opends.server.util.TimeThread;
033 import java.util.regex.Pattern;
034
035 /**
036 * This class represents the timeofday keyword in a bind rule.
037 */
038 public class TimeOfDay implements KeywordBindRule {
039
040 /*
041 * Regular expression matching a valid timeofday rule value (0-2359).
042 */
043 private static final String timeofdayRegex = "[0-2]\\d[0-5]\\d";
044
045 /*
046 * Enumeration representing the bind rule operation type.
047 */
048 private EnumBindRuleType type=null;
049
050 /*
051 * Holds the time value parsed from the ACI.
052 */
053 private int timeRef;
054
055 /**
056 * Constructor to create a timeofday keyword class.
057 * @param timeVal The time value to check for (0-2359).
058 * @param type An enumeration of the type of the expression.
059 */
060 private TimeOfDay(int timeVal, EnumBindRuleType type) {
061 this.timeRef=timeVal;
062 this.type=type;
063 }
064
065 /**
066 * Decodes a string representation of a timeofday bind rule expression.
067 * @param expr A string representation of the expression.
068 * @param type An enumeration of the type of the expression.
069 * @return A TimeOfDay class representing the expression.
070 * @throws AciException If the expression is invalid.
071 */
072 public static TimeOfDay decode(String expr, EnumBindRuleType type)
073 throws AciException {
074 if (!Pattern.matches(timeofdayRegex, expr))
075 {
076 Message message = WARN_ACI_SYNTAX_INVALID_TIMEOFDAY.get(expr);
077 throw new AciException(message);
078 }
079 int valueAsInt = Integer.parseInt(expr);
080 if ((valueAsInt < 0) || (valueAsInt > 2359))
081 {
082 Message message = WARN_ACI_SYNTAX_INVALID_TIMEOFDAY_RANGE.get(expr);
083 throw new AciException(message);
084 }
085
086 return new TimeOfDay(valueAsInt, type);
087 }
088
089 /**
090 * Evaluates the timeofday bind rule using the evaluation context
091 * passed into the method.
092 * @param evalCtx The evaluation context to use for the evaluation.
093 * @return An enumeration result representing the result of the
094 * evaluation.
095 */
096 public EnumEvalResult evaluate(AciEvalContext evalCtx) {
097 EnumEvalResult matched=EnumEvalResult.FALSE;
098
099 int currentTime=TimeThread.getHourAndMinute();
100 //check the type
101 switch (type) {
102 case LESS_OR_EQUAL_BINDRULE_TYPE:
103 if (currentTime <= timeRef)
104 {
105 matched=EnumEvalResult.TRUE;
106 }
107 break;
108
109 case LESS_BINDRULE_TYPE:
110 if (currentTime < timeRef)
111 {
112 matched=EnumEvalResult.TRUE;
113 }
114 break;
115
116 case GREATER_OR_EQUAL_BINDRULE_TYPE:
117 if (currentTime >= timeRef)
118 {
119 matched=EnumEvalResult.TRUE;
120 }
121 break;
122
123 case GREATER_BINDRULE_TYPE:
124 if (currentTime > timeRef)
125 {
126 matched=EnumEvalResult.TRUE;
127 }
128 }
129 return matched.getRet(type, false);
130 }
131 }