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/*
************************************************************************
******************* CANADIAN ASTRONOMY DATA CENTRE *******************
************** CENTRE CANADIEN DE DONNÉES ASTRONOMIQUES **************
*
* (c) 2014. (c) 2014.
* Government of Canada Gouvernement du Canada
* National Research Council Conseil national de recherches
* Ottawa, Canada, K1A 0R6 Ottawa, Canada, K1A 0R6
* All rights reserved Tous droits réservés
*
* NRC disclaims any warranties, Le CNRC dénie toute garantie
* expressed, implied, or énoncée, implicite ou légale,
* statutory, of any kind with de quelque nature que ce
* respect to the software, soit, concernant le logiciel,
* including without limitation y compris sans restriction
* any warranty of merchantability toute garantie de valeur
* or fitness for a particular marchande ou de pertinence
* purpose. NRC shall not be pour un usage particulier.
* liable in any event for any Le CNRC ne pourra en aucun cas
* damages, whether direct or être tenu responsable de tout
* indirect, special or general, dommage, direct ou indirect,
* consequential or incidental, particulier ou général,
* arising from the use of the accessoire ou fortuit, résultant
* software. Neither the name de l'utilisation du logiciel. Ni
* of the National Research le nom du Conseil National de
* Council of Canada nor the Recherches du Canada ni les noms
* names of its contributors may de ses participants ne peuvent
* be used to endorse or promote être utilisés pour approuver ou
* products derived from this promouvoir les produits dérivés
* software without specific prior de ce logiciel sans autorisation
* written permission. préalable et particulière
* par écrit.
*
* This file is part of the Ce fichier fait partie du projet
* OpenCADC project. OpenCADC.
*
* OpenCADC is free software: OpenCADC est un logiciel libre ;
* you can redistribute it and/or vous pouvez le redistribuer ou le
* modify it under the terms of modifier suivant les termes de
* the GNU Affero General Public la “GNU Affero General Public
* License as published by the License” telle que publiée
* Free Software Foundation, par la Free Software Foundation
* either version 3 of the : soit la version 3 de cette
* License, or (at your option) licence, soit (à votre gré)
* any later version. toute version ultérieure.
*
* OpenCADC is distributed in the OpenCADC est distribué
* hope that it will be useful, dans l’espoir qu’il vous
* but WITHOUT ANY WARRANTY; sera utile, mais SANS AUCUNE
* without even the implied GARANTIE : sans même la garantie
* warranty of MERCHANTABILITY implicite de COMMERCIALISABILITÉ
* or FITNESS FOR A PARTICULAR ni d’ADÉQUATION À UN OBJECTIF
* PURPOSE. See the GNU Affero PARTICULIER. Consultez la Licence
* General Public License for Générale Publique GNU Affero
* more details. pour plus de détails.
*
* You should have received Vous devriez avoir reçu une
* a copy of the GNU Affero copie de la Licence Générale
* General Public License along Publique GNU Affero avec
* with OpenCADC. If not, see OpenCADC ; si ce n’est
* <http://www.gnu.org/licenses/>. pas le cas, consultez :
* <http://www.gnu.org/licenses/>.
*
* $Revision: 4 $
*
************************************************************************
*/
package ca.nrc.cadc.ac.server.ldap;
import java.lang.reflect.Field;
import java.security.AccessControlException;
import java.util.ArrayList;
import java.util.Collection;
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import java.util.HashSet;
import java.util.LinkedList;
import ca.nrc.cadc.ac.Group;
import ca.nrc.cadc.ac.GroupAlreadyExistsException;
import ca.nrc.cadc.ac.GroupNotFoundException;
import ca.nrc.cadc.ac.User;
import ca.nrc.cadc.ac.UserNotFoundException;
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import ca.nrc.cadc.ac.server.GroupDetailSelector;
import ca.nrc.cadc.profiler.Profiler;
import ca.nrc.cadc.util.StringUtil;
import com.unboundid.ldap.sdk.AddRequest;
import com.unboundid.ldap.sdk.Attribute;
import com.unboundid.ldap.sdk.DN;
import com.unboundid.ldap.sdk.LDAPException;
import com.unboundid.ldap.sdk.LDAPSearchException;
import com.unboundid.ldap.sdk.Modification;
import com.unboundid.ldap.sdk.ModificationType;
import com.unboundid.ldap.sdk.ModifyRequest;
import com.unboundid.ldap.sdk.ResultCode;
import com.unboundid.ldap.sdk.SearchRequest;
import com.unboundid.ldap.sdk.SearchResult;
import com.unboundid.ldap.sdk.SearchResultEntry;
import com.unboundid.ldap.sdk.SearchResultListener;
import com.unboundid.ldap.sdk.SearchResultReference;
import com.unboundid.ldap.sdk.SearchScope;
public class LdapGroupDAO extends LdapDAO
{
private static final Logger logger = Logger.getLogger(LdapGroupDAO.class);
// LDAP Group attributes
protected static final String LDAP_CN = "cn";
protected static final String LDAP_DESCRIPTION = "description";
protected static final String LDAP_ENTRYDN = "entrydn";
protected static final String LDAP_GROUP_OF_UNIQUE_NAMES = "groupofuniquenames";
protected static final String LDAP_INET_USER = "inetuser";
protected static final String LDAP_MODIFY_TIMESTAMP = "modifytimestamp";
protected static final String LDAP_NSACCOUNTLOCK = "nsaccountlock";
protected static final String LDAP_OBJECT_CLASS = "objectClass";
protected static final String LDAP_OWNER = "owner";
protected static final String LDAP_UNIQUE_MEMBER = "uniquemember";
private static final String[] PUB_GROUP_ATTRS = new String[]
private static final String[] GROUP_ATTRS = new String[]
LDAP_ENTRYDN, LDAP_CN, LDAP_NSACCOUNTLOCK, LDAP_OWNER,
LDAP_MODIFY_TIMESTAMP, LDAP_DESCRIPTION
private static final String[] GROUP_AND_MEMBER_ATTRS = new String[]
LDAP_ENTRYDN, LDAP_CN, LDAP_NSACCOUNTLOCK, LDAP_OWNER,
LDAP_MODIFY_TIMESTAMP, LDAP_DESCRIPTION, LDAP_UNIQUE_MEMBER
private LdapUserDAO userDAO;
// this gets filled by the LdapgroupPersistence
GroupDetailSelector searchDetailSelector;
public LdapGroupDAO(LdapConnections connections, LdapUserDAO userPersist)
throw new IllegalArgumentException(
"User persistence instance required");
* @param group The group to create
* @return created group
* @throws GroupAlreadyExistsException If a group with the same ID already
* @throws TransientException If an temporary, unexpected problem occurred.
* @throws UserNotFoundException If owner or a member not valid user.
public void addGroup(final Group group)
throws GroupAlreadyExistsException, TransientException,
UserNotFoundException, AccessControlException,
GroupNotFoundException
if (!group.getProperties().isEmpty())
{
throw new UnsupportedOperationException(
"Support for groups properties not available");
}
Set<DNPrincipal> ds = group.getOwner().getIdentities(DNPrincipal.class);
if (ds.isEmpty())
throw new RuntimeException("BUG: User does not have an internal DNPrincipal");
DNPrincipal dnp = ds.iterator().next();
DN ownerDN = new DN(dnp.getName());
if (reactivateGroup(group))
return;
// add group to groups tree
LDAPResult result = addGroup(getGroupDN(group.getID()),
group.getID(), ownerDN,
group.description,
group.getUserMembers(),
LdapDAO.checkLdapResult(result.getResultCode());
// add group to admin groups tree
result = addGroup(getAdminGroupDN(group.getID()),
group.getID(), ownerDN,
group.description,
group.getUserAdmins(),
LdapDAO.checkLdapResult(result.getResultCode());
logger.debug("addGroup Exception: " + e, e);
LdapDAO.checkLdapResult(e.getResultCode());
private LDAPResult addGroup(final DN groupDN, final String groupID,
final DN ownerDN, final String description,
final Set<User> users,
throws UserNotFoundException, LDAPException, TransientException,
AccessControlException, GroupNotFoundException
{
// add new group
List<Attribute> attributes = new ArrayList<Attribute>();
Attribute ownerAttribute = new Attribute(LDAP_OWNER, ownerDN.toNormalizedString());
attributes.add(new Attribute(LDAP_OBJECT_CLASS, LDAP_GROUP_OF_UNIQUE_NAMES));
attributes.add(new Attribute(LDAP_OBJECT_CLASS, LDAP_INET_USER));
attributes.add(new Attribute(LDAP_CN, groupID));
if (StringUtil.hasText(description))
attributes.add(new Attribute(LDAP_DESCRIPTION, description));
}
List<String> members = new ArrayList<String>();
for (User userMember : users)
DN memberDN = this.userDAO.getUserDN(userMember);
members.add(memberDN.toNormalizedString());
}
for (Group groupMember : groups)
{
final String groupMemberID = groupMember.getID();
if (!checkGroupExists(groupMemberID))
throw new GroupNotFoundException(groupMemberID);
members.add(memberDN.toNormalizedString());
}
if (!members.isEmpty())
{
attributes.add(
new Attribute(LDAP_UNIQUE_MEMBER,
(String[]) members.toArray(new String[members.size()])));
}
AddRequest addRequest = new AddRequest(groupDN, attributes);
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logger.debug("addGroup: " + groupDN);
return getReadWriteConnection().add(addRequest);
/**
* Checks whether group name available for the user or already in use.
* @param group
* @return activated group or null if group does not exists
* @throws AccessControlException
* @throws UserNotFoundException
* @throws GroupNotFoundException
* @throws TransientException
* @throws GroupAlreadyExistsException
private boolean reactivateGroup(final Group group)
throws AccessControlException, UserNotFoundException,
TransientException, GroupAlreadyExistsException
Filter filter = Filter.createEqualityFilter(LDAP_CN, group.getID());
DN groupDN = getGroupDN(group.getID());
new SearchRequest(groupDN.toNormalizedString(), SearchScope.BASE,
filter, new String[]{LDAP_NSACCOUNTLOCK});
SearchResultEntry searchResult =
getReadWriteConnection().searchForEntry(searchRequest);
return false;
if (searchResult.getAttributeValue(LDAP_NSACCOUNTLOCK) == null)
throw new GroupAlreadyExistsException("Group already exists " + group.getID());
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modifyGroup(group, true);
return true;
"BUG: group to modify does not exist" + group.getID());
logger.debug("reactivateGroup Exception: " + e, e);
LdapDAO.checkLdapResult(e.getResultCode());
/**
* Get all group names.
* @return A collection of strings
* @throws TransientException If an temporary, unexpected problem occurred.
*/
public Collection<String> getGroupNames()
throws TransientException
Filter filter = Filter
.createNOTFilter(Filter.createPresenceFilter(LDAP_NSACCOUNTLOCK));
filter = Filter.createANDFilter(filter, Filter.create("(cn=*)"));
final List<String> groupNames = new LinkedList<String>();
SearchRequest searchRequest = new SearchRequest(
new SearchResultListener()
{
long t1 = System.currentTimeMillis();
public void searchEntryReturned(SearchResultEntry sre)
{
String gname = sre.getAttributeValue(LDAP_CN);
groupNames.add(gname);
long t2 = System.currentTimeMillis();
long dt = t2 - t1;
if (groupNames.size() == 1)
{
logger.debug("first row: " + dt + "ms");
t1 = t2;
if ((groupNames.size() % 100) == 0)
logger.debug("found: " + groupNames.size() +
" " + dt + "ms");
t1 = t2;
}
}
public void searchReferenceReturned(SearchResultReference srr)
{
throw new UnsupportedOperationException("Not supported yet.");
}, config.getGroupsDN(), SearchScope.ONE, filter, PUB_GROUP_ATTRS);
SearchResult searchResult = null;
try
{
Profiler profiler = new Profiler(LdapGroupDAO.class);
profiler.checkpoint("getGroupNames.getConnection");
searchResult = con.search(searchRequest);
profiler.checkpoint("getGroupNames.search");
}
catch (LDAPSearchException e)
{
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logger.debug("Could not find groups root", e);
LdapDAO.checkLdapResult(e.getResultCode());
if (e.getResultCode() == ResultCode.NO_SUCH_OBJECT)
{
throw new IllegalStateException("Could not find groups root");
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throw new IllegalStateException("unexpected failure", e);
LdapDAO.checkLdapResult(searchResult.getResultCode());
return groupNames;
}
catch (LDAPException e1)
{
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logger.debug("getGroupNames Exception: " + e1, e1);
LdapDAO.checkLdapResult(e1.getResultCode());
throw new IllegalStateException("Unexpected exception: " +
e1.getMatchedDN(), e1);
* Get the group with members.
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* @param groupID The Group unique ID.
* @return A Group instance
* @throws GroupNotFoundException If the group was not found.
* @throws TransientException If an temporary, unexpected problem occurred.
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public Group getGroup(final String groupID, boolean complete)
throws GroupNotFoundException, TransientException,
AccessControlException
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String[] attrs = GROUP_ATTRS;
if (complete)
attrs = GROUP_AND_MEMBER_ATTRS;
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Group group = getGroup(getGroupDN(groupID), groupID, attrs);
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if (complete)
{
Group adminGroup = getGroup(getAdminGroupDN(groupID), null, GROUP_AND_MEMBER_ATTRS);
group.getGroupAdmins().addAll(adminGroup.getGroupMembers());
group.getUserAdmins().addAll(adminGroup.getUserMembers());
}
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// groupID is here so exceptions and logging have plain groupID instead of DN
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private Group getGroup(final DN groupDN, final String xgroupID, String[] attributes)
throws GroupNotFoundException, TransientException,
AccessControlException
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logger.debug("getGroup: " + groupDN + " attrs: " + attributes.length);
String loggableGroupID = xgroupID;
if (loggableGroupID == null)
// member or admin group: same name, internal tree
loggableGroupID = groupDN.toString();
Filter filter = Filter.createNOTFilter(Filter.createPresenceFilter(LDAP_NSACCOUNTLOCK));
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filter = Filter.createANDFilter(filter,
Filter.createEqualityFilter(LDAP_ENTRYDN, groupDN.toNormalizedString()));
SearchRequest searchRequest =
new SearchRequest(groupDN.toNormalizedString(),
SearchScope.BASE, filter, attributes);
SearchResultEntry searchEntry = getReadOnlyConnection()
.searchForEntry(searchRequest);
if (searchEntry == null)
String msg = "Group not found " + loggableGroupID + " cause: null";
logger.debug(msg);
throw new GroupNotFoundException(loggableGroupID);
Group ldapGroup = createGroupFromSearchResult(searchEntry, attributes);
if (searchEntry.getAttributeValues(LDAP_UNIQUE_MEMBER) != null)
for (String member : searchEntry
.getAttributeValues(LDAP_UNIQUE_MEMBER))
DN memberDN = new DN(member);
if (memberDN.isDescendantOf(config.getUsersDN(), false))
try
user = userDAO.getUser(new DNPrincipal(member));
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ldapGroup.getUserMembers().add(user);
catch (UserNotFoundException e)
// ignore as we do not cleanup deleted users
// from groups they belong to
else if (memberDN.isDescendantOf(config.getGroupsDN(), false))
{
try
ldapGroup.getGroupMembers()
.add(getGroup(memberDN, null, PUB_GROUP_ATTRS));
catch (GroupNotFoundException e)
// ignore as we are not cleaning up
// deleted groups from the group members
else
{
throw new RuntimeException(
"BUG: unknown member DN type: " + memberDN);
return ldapGroup;
}
catch (LDAPException e1)
{
logger.debug("getGroup Exception: " + e1, e1);
LdapDAO.checkLdapResult(e1.getResultCode());
throw new RuntimeException("BUG: checkLdapResult didn't throw an exception");
* @param group The group to update. It must be an existing group
* @return The newly updated group.
* @throws GroupNotFoundException If the group was not found.
* @throws TransientException If an temporary, unexpected problem occurred.
* @throws AccessControlException If the operation is not permitted.
* @throws UserNotFoundException If owner or group members not valid users.
public Group modifyGroup(final Group group)
throws GroupNotFoundException, TransientException,
AccessControlException, UserNotFoundException
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String groupID = group.getID();
getGroup(getGroupDN(groupID), groupID, PUB_GROUP_ATTRS);//group must exists first
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return modifyGroup(group, false);
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private Group modifyGroup(final Group group, boolean withActivate)
throws UserNotFoundException, TransientException,
AccessControlException, GroupNotFoundException
throw new UnsupportedOperationException(
"Support for groups properties not available");
List<Modification> mods = new ArrayList<Modification>();
List<Modification> adminMods = new ArrayList<Modification>();
if (withActivate)
mods.add(new Modification(ModificationType.DELETE, LDAP_NSACCOUNTLOCK));
adminMods.add(new Modification(ModificationType.DELETE, LDAP_NSACCOUNTLOCK));
if (StringUtil.hasText(group.description))
mods.add(new Modification(ModificationType.REPLACE, LDAP_DESCRIPTION,
group.description));
mods.add(new Modification(ModificationType.REPLACE, LDAP_DESCRIPTION));
try
Set<String> newMembers = new HashSet<String>();
for (User member : group.getUserMembers())
newMembers.add(memberDN.toNormalizedString());
for (Group gr : group.getGroupMembers())
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{
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if (!checkGroupExists(gr.getID()))
{
throw new GroupNotFoundException(gr.getID());
}
DN grDN = getGroupDN(gr.getID());
newMembers.add(grDN.toNormalizedString());
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}
Set<String> newAdmins = new HashSet<String>();
for (User member : group.getUserAdmins())
{
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newAdmins.add(memberDN.toNormalizedString());
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for (Group gr : group.getGroupAdmins())
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if (!checkGroupExists(gr.getID()))
{
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throw new GroupNotFoundException(gr.getID());
}
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DN grDN = getGroupDN(gr.getID());
newAdmins.add(grDN.toNormalizedString());
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}
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// modify the admin group
adminMods.add(
new Modification(ModificationType.REPLACE, LDAP_UNIQUE_MEMBER,
(String[]) newAdmins.toArray(new String[newAdmins.size()])));
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ModifyRequest adminModify =
new ModifyRequest(getAdminGroupDN(group.getID()), adminMods);
LdapDAO.checkLdapResult(
getReadWriteConnection().modify(adminModify).getResultCode());
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// modify the group itself
mods.add(
new Modification(ModificationType.REPLACE, LDAP_UNIQUE_MEMBER,
(String[]) newMembers.toArray(new String[newMembers.size()])));
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ModifyRequest modifyRequest =
new ModifyRequest(getGroupDN(group.getID()), mods);
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LdapDAO.checkLdapResult(
getReadWriteConnection().modify(modifyRequest).getResultCode());
logger.debug("Modify Exception: " + e1, e1);
LdapDAO.checkLdapResult(e1.getResultCode());
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return new ActivatedGroup(getGroup(group.getID(), true));
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return getGroup(group.getID(), true);
}
catch (GroupNotFoundException e)
{
throw new RuntimeException("BUG: modified group not found (" +
group.getID() + ")");
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* Deletes the group.
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* @param groupID The group to delete
* @throws GroupNotFoundException If the group was not found.
* @throws TransientException If an temporary, unexpected problem occurred.
public void deleteGroup(final String groupID)
throws GroupNotFoundException, TransientException,
AccessControlException
deleteGroup(getGroupDN(groupID), groupID, false);
deleteGroup(getAdminGroupDN(groupID), groupID, true);
}
private void deleteGroup(final DN groupDN, final String groupID,
throws GroupNotFoundException, TransientException,
AccessControlException
ModifyRequest clearMembers = new ModifyRequest(groupDN,
new Modification(ModificationType.DELETE, LDAP_UNIQUE_MEMBER));
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try
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logger.debug("clearMembers " + groupDN);
LDAPResult result = getReadWriteConnection().modify(clearMembers);
LdapDAO.checkLdapResult(result.getResultCode(), true);
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}
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catch (LDAPException e1)
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{
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logger.debug("clear members fail: " + e1, e1);
LdapDAO.checkLdapResult(e1.getResultCode(), true);
ModifyRequest deleteGroup = new ModifyRequest(groupDN,
new Modification(ModificationType.ADD, LDAP_NSACCOUNTLOCK, "true"));
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try
{
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logger.debug("deleteGroup " + groupDN);
LDAPResult result = getReadWriteConnection().modify(deleteGroup);
LdapDAO.checkLdapResult(result.getResultCode());
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}
catch (LDAPException e1)
{
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logger.debug("delete group fail: " + e1, e1);
LdapDAO.checkLdapResult(e1.getResultCode());
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}
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try
{
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Group g = getGroup(getGroupDN(groupID), null, GROUP_ATTRS);
throw new RuntimeException("BUG: group not deleted " + g.getID());
}
catch (GroupNotFoundException ignore)
{
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}
public Collection<Group> getOwnerGroups(final DNPrincipal owner, final String groupID)
throws TransientException, AccessControlException
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Collection<Group> ret = new ArrayList<Group>();
Filter filter = Filter.createNOTFilter(Filter.createPresenceFilter(LDAP_NSACCOUNTLOCK));
filter = Filter.createANDFilter(filter,
Filter.createEqualityFilter(LDAP_OWNER, userDN.toNormalizedString()));
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DN groupDN = getGroupDN(groupID);
filter = Filter.createANDFilter(filter,
Filter.createEqualityFilter(LDAP_ENTRYDN, groupDN.toNormalizedString()));
SearchRequest searchRequest = new SearchRequest(
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config.getGroupsDN(), SearchScope.SUB, filter, GROUP_ATTRS);
SearchResult results = getReadOnlyConnection().search(searchRequest);
for (SearchResultEntry result : results.getSearchEntries())
{
ret.add(createGroupFromSearchResult(result, GROUP_ATTRS));
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logger.debug("getOwnerGroups Exception: " + e1, e1);
LdapDAO.checkLdapResult(e1.getResultCode());
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}
private Group createGroupFromSearchResult(SearchResultEntry result, String[] attributes)
throws LDAPException, TransientException
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{
if (result.getAttribute(LDAP_NSACCOUNTLOCK) != null)
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{
throw new RuntimeException("BUG: found group with nsaccountlock set: " +
result.getAttributeValue(LDAP_ENTRYDN));
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}
String entryDN = result.getAttributeValue(LDAP_ENTRYDN);
String groupName = result.getAttributeValue(LDAP_CN);
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if (attributes == PUB_GROUP_ATTRS)
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return new Group(groupName);
String ownerDN = result.getAttributeValue(LDAP_OWNER);
if (ownerDN == null)
throw new AccessControlException(groupName);
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try
{
User owner = userDAO.getUser(new DNPrincipal(ownerDN));
Group group = new Group(groupName);
setField(group, owner, LDAP_OWNER);
if (result.hasAttribute(LDAP_DESCRIPTION))
group.description = result.getAttributeValue(LDAP_DESCRIPTION);
if (result.hasAttribute(LDAP_MODIFY_TIMESTAMP))
group.lastModified = result.getAttributeValueAsDate(LDAP_MODIFY_TIMESTAMP);
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}
catch (UserNotFoundException ex)
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{
throw new RuntimeException("Invalid state: owner does not exist: " +
ownerDN + " group: " + entryDN);
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}
/**
* @param groupID
protected DN getGroupDN(final String groupID) throws TransientException
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{
try
{
return new DN("cn=" + groupID + "," + config.getGroupsDN());
}
catch (LDAPException e)
{
logger.debug("getGroupDN Exception: " + e, e);
LdapDAO.checkLdapResult(e.getResultCode());
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}
throw new IllegalArgumentException(groupID + " not a valid group ID");
}
/**
* @param groupID
protected DN getAdminGroupDN(final String groupID) throws TransientException
{
try
{
return new DN("cn=" + groupID + "," + config.getAdminGroupsDN());
}
catch (LDAPException e)
{
logger.debug("getAdminGroupDN Exception: " + e, e);
LdapDAO.checkLdapResult(e.getResultCode());
}
throw new IllegalArgumentException(groupID + " not a valid group ID");
}
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private boolean checkGroupExists(String groupID)
throws LDAPException, TransientException
try
Group g = getGroup(getGroupDN(groupID), groupID, PUB_GROUP_ATTRS);
return true;
catch (GroupNotFoundException ex)
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{
return false;
finally
{
}
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// set private field using reflection
private void setField(Object object, Object value, String name)
{
try
{
Field field = object.getClass().getDeclaredField(name);
field.setAccessible(true);
field.set(object, value);
}
catch (NoSuchFieldException e)
{
final String error = object.getClass().getSimpleName() +
" field " + name + "not found";
throw new RuntimeException(error, e);
}
catch (IllegalAccessException e)
{
final String error = "unable to update " + name + " in " +
object.getClass().getSimpleName();
throw new RuntimeException(error, e);
}
}