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/*
* Copyright 2008-2017 UnboundID Corp.
* All Rights Reserved.
*/
/*
* Copyright (C) 2015-2017 UnboundID Corp.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License (GPLv2 only)
* or the terms of the GNU Lesser General Public License (LGPLv2.1 only)
* as published by the Free Software Foundation.
*
* 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, see .
*/
package com.unboundid.ldap.sdk.unboundidds.controls;
import java.util.Collections;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.StringTokenizer;
import java.util.logging.Level;
import com.unboundid.ldap.sdk.Attribute;
import com.unboundid.ldap.sdk.Entry;
import com.unboundid.ldap.sdk.ReadOnlyEntry;
import com.unboundid.util.DebugType;
import com.unboundid.util.NotMutable;
import com.unboundid.util.ThreadSafety;
import com.unboundid.util.ThreadSafetyLevel;
import static com.unboundid.util.Debug.*;
import static com.unboundid.util.StaticUtils.*;
import static com.unboundid.util.Validator.*;
/**
* This class provides a mechanism for extracting the effective rights
* information from an entry returned for a search request that included the
* get effective rights request control. In particular, it provides the ability
* to parse the values of the aclRights attributes in order to determine what
* rights the specified user may have when interacting with the entry.
*
*
* NOTE: This class is part of the Commercial Edition of the UnboundID
* LDAP SDK for Java. It is not available for use in applications that
* include only the Standard Edition of the LDAP SDK, and is not supported for
* use in conjunction with non-UnboundID products.
*
*
* See the {@link GetEffectiveRightsRequestControl} for an example that
* demonstrates the use of the get effective rights request control and this
* entry.
*/
@NotMutable()
@ThreadSafety(level=ThreadSafetyLevel.COMPLETELY_THREADSAFE)
public final class EffectiveRightsEntry
extends ReadOnlyEntry
{
/**
* The name of the attribute that includes the rights information.
*/
private static final String ATTR_ACL_RIGHTS = "aclRights";
/**
* The serial version UID for this serializable class.
*/
private static final long serialVersionUID = -3203127456449579174L;
// The set of entry-level rights parsed from the entry.
private final Set entryRights;
// The set of attribute-level rights parsed from the entry, mapped from the
// name of the attribute to the set of the corresponding attribute rights.
private final Map> attributeRights;
/**
* Creates a new get effective rights entry from the provided entry.
*
* @param entry The entry to use to create this get effective rights entry.
* It must not be {@code null}.
*/
public EffectiveRightsEntry(final Entry entry)
{
super(entry);
final HashSet options = new HashSet(1);
options.add("entryLevel");
List attrList =
getAttributesWithOptions(ATTR_ACL_RIGHTS, options);
if ((attrList == null) || attrList.isEmpty())
{
if (debugEnabled(DebugType.LDAP))
{
debug(Level.WARNING, DebugType.LDAP,
"No entry-level aclRights information contained in entry " +
entry.getDN());
}
entryRights = null;
}
else
{
entryRights = Collections.unmodifiableSet(parseEntryRights(attrList));
}
options.clear();
options.add("attributeLevel");
attrList = getAttributesWithOptions(ATTR_ACL_RIGHTS, options);
if ((attrList == null) || attrList.isEmpty())
{
if (debugEnabled(DebugType.LDAP))
{
debug(Level.WARNING, DebugType.LDAP,
"No attribute-level aclRights information contained in entry " +
entry.getDN());
}
attributeRights = null;
}
else
{
final HashMap> attrRightsMap =
new HashMap>(attrList.size());
for (final Attribute a : attrList)
{
final Set attrOptions = a.getOptions();
String attrName = null;
for (final String s : attrOptions)
{
if (! s.equalsIgnoreCase("attributeLevel"))
{
attrName = s;
}
}
if (attrName == null)
{
if (debugEnabled(DebugType.LDAP))
{
debug(Level.WARNING, DebugType.LDAP,
"Unable to determine the target attribute name from " +
a.getName());
}
}
else
{
final String lowerName = toLowerCase(attrName);
final Set rights = parseAttributeRights(a);
attrRightsMap.put(lowerName, rights);
}
}
attributeRights = Collections.unmodifiableMap(attrRightsMap);
}
}
/**
* Parses the entry rights information from the entry.
*
* @param attrList The list of attributes to be parsed.
*
* @return The set of entry rights parsed from the entry.
*/
private static Set parseEntryRights(
final List attrList)
{
final EnumSet entryRightsSet = EnumSet.noneOf(EntryRight.class);
for (final Attribute a : attrList)
{
for (final String value : a.getValues())
{
final StringTokenizer tokenizer = new StringTokenizer(value, ", ");
while (tokenizer.hasMoreTokens())
{
final String token = tokenizer.nextToken();
if (token.endsWith(":1"))
{
final String rightName = token.substring(0, token.length()-2);
final EntryRight r = EntryRight.forName(rightName);
if (r == null)
{
if (debugEnabled(DebugType.LDAP))
{
debug(Level.WARNING, DebugType.LDAP,
"Unrecognized entry right " + rightName);
}
}
else
{
entryRightsSet.add(r);
}
}
}
}
}
return entryRightsSet;
}
/**
* Parses the attribute rights information from the provided attribute.
*
* @param a The attribute to be parsed.
*
* @return The set of attribute rights parsed from the provided attribute.
*/
private static Set parseAttributeRights(final Attribute a)
{
final EnumSet rightsSet =
EnumSet.noneOf(AttributeRight.class);
for (final String value : a.getValues())
{
final StringTokenizer tokenizer = new StringTokenizer(value, ", ");
while (tokenizer.hasMoreTokens())
{
final String token = tokenizer.nextToken();
if (token.endsWith(":1"))
{
final String rightName = token.substring(0, token.length()-2);
final AttributeRight r = AttributeRight.forName(rightName);
if (r == null)
{
if (debugEnabled(DebugType.LDAP))
{
debug(Level.WARNING, DebugType.LDAP,
"Unrecognized attribute right " + rightName);
}
}
else
{
rightsSet.add(r);
}
}
}
}
return rightsSet;
}
/**
* Indicates whether any access control rights information was contained in
* the entry.
*
* @return {@code true} if access control rights information was contained in
* the entry, or {@code false} if not.
*/
public boolean rightsInformationAvailable()
{
return ((entryRights != null) || (attributeRights != null));
}
/**
* Retrieves the set of entry-level rights parsed from the entry.
*
* @return The set of entry-level rights parsed from the entry, or
* {@code null} if the entry did not have any entry-level rights
* information.
*/
public Set getEntryRights()
{
return entryRights;
}
/**
* Indicates whether the specified entry right is granted for this entry.
*
* @param entryRight The entry right for which to make the determination.
* It must not be {@code null}.
*
* @return {@code true} if the entry included entry-level rights information
* and the specified entry right is granted, or {@code false} if not.
*/
public boolean hasEntryRight(final EntryRight entryRight)
{
ensureNotNull(entryRight);
return ((entryRights != null) && entryRights.contains(entryRight));
}
/**
* Retrieves the set of attribute-level rights parsed from the entry, mapped
* from attribute name (in all lowercase characters) to the set of
* attribute-level rights for that attribute.
*
* @return The set of attribute-level rights parsed from the entry, or
* {@code null} if the entry did not have any attribute-level rights
* information.
*/
public Map> getAttributeRights()
{
return attributeRights;
}
/**
* Retrieves the set of attribute-level rights parsed from the entry for the
* specified attribute.
*
* @param attributeName The name of the attribute for which to retrieve the
* attribute-level rights. It must not be
* {@code null}.
*
* @return The set of attribute-level rights for the specified attribute, or
* {@code null} if the entry did not include any attribute-level
* rights information for the specified attribute.
*/
public Set getAttributeRights(final String attributeName)
{
ensureNotNull(attributeName);
if (attributeRights == null)
{
return null;
}
return attributeRights.get(toLowerCase(attributeName));
}
/**
* Indicates whether the specified attribute right is granted for the
* specified attribute in this entry.
*
* @param attributeRight The attribute right for which to make the
* determination. It must not be {@code null}.
* @param attributeName The name of the attribute for which to make the
* determination. It must not be {@code null}.
*
* @return {@code true} if the entry included attribute-level rights
* information for the specified attribute and the indicated right is
* granted, or {@code false} if not.
*/
public boolean hasAttributeRight(final AttributeRight attributeRight,
final String attributeName)
{
ensureNotNull(attributeName, attributeRight);
final Set attrRights = getAttributeRights(attributeName);
return ((attrRights != null) && attrRights.contains(attributeRight));
}
}
