package org.apache.turbine.services.security.torque;
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001-2003 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" and
* "Apache Turbine" must not be used to endorse or promote products
* derived from this software without prior written permission. For
* written permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* "Apache Turbine", nor may "Apache" appear in their name, without
* prior written permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.List;
import org.apache.commons.configuration.Configuration;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.torque.om.NumberKey;
import org.apache.torque.om.Persistent;
import org.apache.torque.util.Criteria;
import org.apache.turbine.om.security.Group;
import org.apache.turbine.om.security.Permission;
import org.apache.turbine.om.security.Role;
import org.apache.turbine.om.security.User;
import org.apache.turbine.services.InitializationException;
import org.apache.turbine.services.security.BaseSecurityService;
import org.apache.turbine.services.security.TurbineSecurity;
import org.apache.turbine.services.security.torque.om.TurbineRolePermissionPeer;
import org.apache.turbine.services.security.torque.om.TurbineUserGroupRolePeer;
import org.apache.turbine.util.security.AccessControlList;
import org.apache.turbine.util.security.DataBackendException;
import org.apache.turbine.util.security.EntityExistsException;
import org.apache.turbine.util.security.GroupSet;
import org.apache.turbine.util.security.PermissionSet;
import org.apache.turbine.util.security.RoleSet;
import org.apache.turbine.util.security.UnknownEntityException;
/**
* An implementation of SecurityService that uses torque objects.
*
* @author <a href="mailto:Rafal.Krzewski@e-point.pl">Rafal Krzewski</a>
* @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a>
* @author <a href="mailto:marco@intermeta.de">Marco Knüttel</a>
* @version $Id: TorqueSecurityService.java,v 1.4 2003/04/10 16:41:38 henning Exp $
*/
public class TorqueSecurityService
extends BaseSecurityService
{
/** Logging */
private static Log log = LogFactory.getLog(TorqueSecurityService.class);
/**
* Initializes the TorqueSecurityService, loading the various class objects
* representing the security entity peer classes
*
* @exception InitializationException A problem occured during initialization
*/
public void init()
throws InitializationException
{
Configuration conf = getConfiguration();
GroupPeerManager.init(conf);
RolePeerManager.init(conf);
PermissionPeerManager.init(conf);
/* At the end, because it calls setInit(true)! */
super.init();
}
/*-----------------------------------------------------------------------
Creation of AccessControlLists
-----------------------------------------------------------------------*/
/**
* Constructs an AccessControlList for a specific user.
*
* This method creates a snapshot of the state of security information
* concerning this user, at the moment of invocation and stores it
* into an AccessControlList object.
*
* @param user the user for whom the AccessControlList are to be retrieved
* @return A new AccessControlList object.
* @throws DataBackendException if there was an error accessing the data
* backend.
* @throws UnknownEntityException if user account is not present.
*/
public AccessControlList getACL(User user)
throws DataBackendException, UnknownEntityException
{
if (!TurbineSecurity.accountExists(user))
{
throw new UnknownEntityException("The account '"
+ user.getName() + "' does not exist");
}
try
{
Hashtable roles = new Hashtable();
Hashtable permissions = new Hashtable();
// notify the state modifiers (writers) that we want to create
// the snapshot.
lockShared();
// construct the snapshot:
// foreach group in the system
for (Iterator groupsIterator = getAllGroups().iterator();
groupsIterator.hasNext();)
{
Group group = (Group) groupsIterator.next();
// get roles of user in the group
RoleSet groupRoles = RolePeerManager.retrieveSet(user, group);
// put the Set into roles(group)
roles.put(group, groupRoles);
// collect all permissions in this group
PermissionSet groupPermissions = new PermissionSet();
// foreach role in Set
for (Iterator rolesIterator = groupRoles.iterator();
rolesIterator.hasNext();)
{
Role role = (Role) rolesIterator.next();
// get permissions of the role
PermissionSet rolePermissions =
PermissionPeerManager.retrieveSet(role);
groupPermissions.add(rolePermissions);
}
// put the Set into permissions(group)
permissions.put(group, groupPermissions);
}
return getAclInstance(roles, permissions);
}
catch (Exception e)
{
throw new DataBackendException("Failed to build ACL for user '" +
user.getName() + "'" , e);
}
finally
{
// notify the state modifiers that we are done creating the snapshot.
unlockShared();
}
}
/*-----------------------------------------------------------------------
Security management
-----------------------------------------------------------------------*/
/**
* Grant an User a Role in a Group.
*
* @param user the user.
* @param group the group.
* @param role the role.
* @throws DataBackendException if there was an error accessing the data
* backend.
* @throws UnknownEntityException if user account, group or role is not
* present.
*/
public synchronized void grant(User user, Group group, Role role)
throws DataBackendException, UnknownEntityException
{
boolean userExists = false;
boolean groupExists = false;
boolean roleExists = false;
try
{
lockExclusive();
userExists = TurbineSecurity.accountExists(user);
groupExists = checkExists(group);
roleExists = checkExists(role);
if (userExists && groupExists && roleExists)
{
Criteria criteria = new Criteria();
criteria.add(TurbineUserGroupRolePeer.USER_ID,
((Persistent) user).getPrimaryKey());
criteria.add(TurbineUserGroupRolePeer.GROUP_ID,
((Persistent) group).getPrimaryKey());
criteria.add(TurbineUserGroupRolePeer.ROLE_ID,
((Persistent) role).getPrimaryKey());
TurbineUserGroupRolePeer.doInsert(criteria);
return;
}
}
catch (Exception e)
{
throw new DataBackendException("grant(User,Group,Role) failed", e);
}
finally
{
unlockExclusive();
}
if (!userExists)
{
throw new UnknownEntityException("Unknown user '"
+ user.getName() + "'");
}
if (!groupExists)
{
throw new UnknownEntityException("Unknown group '"
+ group.getName() + "'");
}
if (!roleExists)
{
throw new UnknownEntityException("Unknown role '"
+ role.getName() + "'");
}
}
/**
* Revoke a Role in a Group from an User.
*
* @param user the user.
* @param group the group.
* @param role the role.
* @throws DataBackendException if there was an error accessing the data
* backend.
* @throws UnknownEntityException if user account, group or role is not
* present.
*/
public synchronized void revoke(User user, Group group, Role role)
throws DataBackendException, UnknownEntityException
{
boolean userExists = false;
boolean groupExists = false;
boolean roleExists = false;
try
{
lockExclusive();
userExists = TurbineSecurity.accountExists(user);
groupExists = checkExists(group);
roleExists = checkExists(role);
if (userExists && groupExists && roleExists)
{
Criteria criteria = new Criteria();
criteria.add(TurbineUserGroupRolePeer.USER_ID,
((Persistent) user).getPrimaryKey());
criteria.add(TurbineUserGroupRolePeer.GROUP_ID,
((Persistent) group).getPrimaryKey());
criteria.add(TurbineUserGroupRolePeer.ROLE_ID,
((Persistent) role).getPrimaryKey());
TurbineUserGroupRolePeer.doDelete(criteria);
return;
}
}
catch (Exception e)
{
throw new DataBackendException("revoke(User,Role,Group) failed", e);
}
finally
{
unlockExclusive();
}
if (!userExists)
{
throw new UnknownEntityException("Unknown user '"
+ user.getName() + "'");
}
if (!groupExists)
{
throw new UnknownEntityException("Unknown group '"
+ group.getName() + "'");
}
if (!roleExists)
{
throw new UnknownEntityException("Unknown role '"
+ role.getName() + "'");
}
}
/**
* Revokes all roles from an User.
*
* This method is used when deleting an account.
*
* @param user the User.
* @throws DataBackendException if there was an error accessing the data
* backend.
* @throws UnknownEntityException if the account is not present.
*/
public synchronized void revokeAll(User user)
throws DataBackendException, UnknownEntityException
{
boolean userExists = false;
try
{
lockExclusive();
userExists = TurbineSecurity.accountExists(user);
if (userExists)
{
// The following would not work, due to an annoying misfeature
// of Village. Village allows only a single row to be deleted at
// a time. I wish that it was possible to disable this
// behaviour!
// Criteria criteria = new Criteria();
// criteria.add(UserGroupRolePeer.USER_ID,
// ((Persistent) user).getPrimaryKey());
// UserGroupRolePeer.doDelete(criteria);
int id = ((NumberKey) ((Persistent) user)
.getPrimaryKey()).intValue();
TurbineUserGroupRolePeer.deleteAll(
TurbineUserGroupRolePeer.TABLE_NAME,
TurbineUserGroupRolePeer.USER_ID, id);
return;
}
}
catch (Exception e)
{
throw new DataBackendException("revokeAll(User) failed", e);
}
finally
{
unlockExclusive();
}
throw new UnknownEntityException("Unknown user '"
+ user.getName() + "'");
}
/**
* Grants a Role a Permission
*
* @param role the Role.
* @param permission the Permission.
* @throws DataBackendException if there was an error accessing the data
* backend.
* @throws UnknownEntityException if role or permission is not present.
*/
public synchronized void grant(Role role, Permission permission)
throws DataBackendException, UnknownEntityException
{
boolean roleExists = false;
boolean permissionExists = false;
try
{
lockExclusive();
roleExists = checkExists(role);
permissionExists = checkExists(permission);
if (roleExists && permissionExists)
{
Criteria criteria = new Criteria();
criteria.add(TurbineRolePermissionPeer.ROLE_ID,
((Persistent) role).getPrimaryKey());
criteria.add(TurbineRolePermissionPeer.PERMISSION_ID,
((Persistent) permission).getPrimaryKey());
TurbineUserGroupRolePeer.doInsert(criteria);
return;
}
}
catch (Exception e)
{
throw new DataBackendException("grant(Role,Permission) failed", e);
}
finally
{
unlockExclusive();
}
if (!roleExists)
{
throw new UnknownEntityException("Unknown role '"
+ role.getName() + "'");
}
if (!permissionExists)
{
throw new UnknownEntityException("Unknown permission '"
+ permission.getName() + "'");
}
}
/**
* Revokes a Permission from a Role.
*
* @param role the Role.
* @param permission the Permission.
* @throws DataBackendException if there was an error accessing the data
* backend.
* @throws UnknownEntityException if role or permission is not present.
*/
public synchronized void revoke(Role role, Permission permission)
throws DataBackendException, UnknownEntityException
{
boolean roleExists = false;
boolean permissionExists = false;
try
{
lockExclusive();
roleExists = checkExists(role);
permissionExists = checkExists(permission);
if (roleExists && permissionExists)
{
Criteria criteria = new Criteria();
criteria.add(TurbineRolePermissionPeer.ROLE_ID,
((Persistent) role).getPrimaryKey());
criteria.add(TurbineRolePermissionPeer.PERMISSION_ID,
((Persistent) permission).getPrimaryKey());
TurbineRolePermissionPeer.doDelete(criteria);
return;
}
}
catch (Exception e)
{
throw new DataBackendException("revoke(Role,Permission) failed", e);
}
finally
{
unlockExclusive();
}
if (!roleExists)
{
throw new UnknownEntityException("Unknown role '"
+ role.getName() + "'");
}
if (!permissionExists)
{
throw new UnknownEntityException("Unknown permission '"
+ permission.getName() + "'");
}
}
/**
* Revokes all permissions from a Role.
*
* This method is user when deleting a Role.
*
* @param role the Role
* @throws DataBackendException if there was an error accessing the data
* backend.
* @throws UnknownEntityException if the Role is not present.
*/
public synchronized void revokeAll(Role role)
throws DataBackendException, UnknownEntityException
{
boolean roleExists = false;
try
{
lockExclusive();
roleExists = checkExists(role);
if (roleExists)
{
// The following would not work, due to an annoying misfeature
// of Village. see revokeAll( user )
// Criteria criteria = new Criteria();
// criteria.add(RolePermissionPeer.ROLE_ID,
// role.getPrimaryKey());
// RolePermissionPeer.doDelete(criteria);
int id = ((NumberKey) ((Persistent) role)
.getPrimaryKey()).intValue();
TurbineRolePermissionPeer.deleteAll(
TurbineRolePermissionPeer.TABLE_NAME,
TurbineRolePermissionPeer.ROLE_ID, id);
return;
}
}
catch (Exception e)
{
throw new DataBackendException("revokeAll(Role) failed", e);
}
finally
{
unlockExclusive();
}
throw new UnknownEntityException("Unknown role '"
+ role.getName() + "'");
}
/*-----------------------------------------------------------------------
Group/Role/Permission management
-----------------------------------------------------------------------*/
/**
* Retrieve a set of Groups that meet the specified Criteria.
*
* @param criteria A Criteria of Group selection.
* @return a set of Groups that meet the specified Criteria.
* @throws DataBackendException if there was an error accessing the data
* backend.
*/
public GroupSet getGroups(Criteria criteria)
throws DataBackendException
{
Criteria torqueCriteria = new Criteria();
Iterator keys = criteria.keySet().iterator();
while (keys.hasNext())
{
String key = (String) keys.next();
torqueCriteria.put(GroupPeerManager.getColumnName(key),
criteria.get(key));
}
List groups = new ArrayList(0);
try
{
groups = GroupPeerManager.doSelect(criteria);
}
catch (Exception e)
{
throw new DataBackendException("getGroups(Criteria) failed", e);
}
return new GroupSet(groups);
}
/**
* Retrieve a set of Roles that meet the specified Criteria.
*
* @param criteria A Criteria of Roles selection.
* @return a set of Roles that meet the specified Criteria.
* @throws DataBackendException if there was an error accessing the data
* backend.
*/
public RoleSet getRoles(Criteria criteria)
throws DataBackendException
{
Criteria torqueCriteria = new Criteria();
Iterator keys = criteria.keySet().iterator();
while (keys.hasNext())
{
String key = (String) keys.next();
torqueCriteria.put(RolePeerManager.getColumnName(key),
criteria.get(key));
}
List roles = new ArrayList(0);
try
{
roles = RolePeerManager.doSelect(criteria);
}
catch (Exception e)
{
throw new DataBackendException("getRoles(Criteria) failed", e);
}
return new RoleSet(roles);
}
/**
* Retrieve a set of Permissions that meet the specified Criteria.
*
* @param criteria A Criteria of Permissions selection.
* @return a set of Permissions that meet the specified Criteria.
* @throws DataBackendException if there was an error accessing the data
* backend.
*/
public PermissionSet getPermissions(Criteria criteria)
throws DataBackendException
{
Criteria torqueCriteria = new Criteria();
Iterator keys = criteria.keySet().iterator();
while (keys.hasNext())
{
String key = (String) keys.next();
torqueCriteria.put(PermissionPeerManager.getColumnName(key),
criteria.get(key));
}
List permissions = new ArrayList(0);
try
{
permissions = PermissionPeerManager.doSelect(criteria);
}
catch (Exception e)
{
throw new DataBackendException(
"getPermissions(Criteria) failed", e);
}
return new PermissionSet(permissions);
}
/**
* Retrieves all permissions associated with a role.
*
* @param role the role name, for which the permissions are to be retrieved.
* @return A Permission set for the Role.
* @throws DataBackendException if there was an error accessing the data
* backend.
* @throws UnknownEntityException if the role is not present.
*/
public PermissionSet getPermissions(Role role)
throws DataBackendException, UnknownEntityException
{
boolean roleExists = false;
try
{
lockShared();
roleExists = checkExists(role);
if (roleExists)
{
return PermissionPeerManager.retrieveSet(role);
}
}
catch (Exception e)
{
throw new DataBackendException("getPermissions(Role) failed", e);
}
finally
{
unlockShared();
}
throw new UnknownEntityException("Unknown role '"
+ role.getName() + "'");
}
/**
* Stores Group's attributes. The Groups is required to exist in the system.
*
* @param group The Group to be stored.
* @throws DataBackendException if there was an error accessing the data
* backend.
* @throws UnknownEntityException if the group does not exist.
*/
public void saveGroup(Group group)
throws DataBackendException, UnknownEntityException
{
boolean groupExists = false;
try
{
groupExists = checkExists(group);
if (groupExists)
{
Criteria criteria = GroupPeerManager.buildCriteria(group);
GroupPeerManager.doUpdate(criteria);
return;
}
}
catch (Exception e)
{
throw new DataBackendException("saveGroup(Group) failed", e);
}
throw new UnknownEntityException("Unknown group '" + group + "'");
}
/**
* Stores Role's attributes. The Roles is required to exist in the system.
*
* @param role The Role to be stored.
* @throws DataBackendException if there was an error accessing the data
* backend.
* @throws UnknownEntityException if the role does not exist.
*/
public void saveRole(Role role)
throws DataBackendException, UnknownEntityException
{
boolean roleExists = false;
try
{
roleExists = checkExists(role);
if (roleExists)
{
Criteria criteria = RolePeerManager.buildCriteria(role);
RolePeerManager.doUpdate(criteria);
return;
}
}
catch (Exception e)
{
throw new DataBackendException("saveRole(Role) failed", e);
}
throw new UnknownEntityException("Unknown role '" + role + "'");
}
/**
* Stores Permission's attributes. The Permissions is required to exist in
* the system.
*
* @param permission The Permission to be stored.
* @throws DataBackendException if there was an error accessing the data
* backend.
* @throws UnknownEntityException if the permission does not exist.
*/
public void savePermission(Permission permission)
throws DataBackendException, UnknownEntityException
{
boolean permissionExists = false;
try
{
permissionExists = checkExists(permission);
if (permissionExists)
{
Criteria criteria = PermissionPeerManager.buildCriteria(permission);
PermissionPeerManager.doUpdate(criteria);
return;
}
}
catch (Exception e)
{
throw new DataBackendException(
"savePermission(Permission) failed", e);
}
throw new UnknownEntityException("Unknown permission '"
+ permission + "'");
}
/**
* Creates a new group with specified attributes.
*
* @param group the object describing the group to be created.
* @return a new Group object that has id set up properly.
* @throws DataBackendException if there was an error accessing the data
* backend.
* @throws EntityExistsException if the group already exists.
*/
public synchronized Group addGroup(Group group)
throws DataBackendException,
EntityExistsException
{
boolean groupExists = false;
if (StringUtils.isEmpty(group.getName()))
{
throw new DataBackendException("Could not create "
+ "a group with empty name!");
}
try
{
lockExclusive();
groupExists = checkExists(group);
if (!groupExists)
{
// add a row to the table
Criteria criteria = GroupPeerManager.buildCriteria(group);
GroupPeerManager.doInsert(criteria);
// try to get the object back using the name as key.
criteria = new Criteria();
criteria.add(GroupPeerManager.getNameColumn(),
group.getName());
List results = GroupPeerManager.doSelect(criteria);
if (results.size() != 1)
{
throw new DataBackendException(
"Internal error - query returned "
+ results.size() + " rows");
}
Group newGroup = (Group) results.get(0);
// add the group to system-wide cache
getAllGroups().add(newGroup);
// return the object with correct id
return newGroup;
}
}
catch (Exception e)
{
throw new DataBackendException("addGroup(Group) failed", e);
}
finally
{
unlockExclusive();
}
// the only way we could get here without return/throw tirggered
// is that the groupExists was true.
throw new EntityExistsException("Group '" + group + "' already exists");
}
/**
* Creates a new role with specified attributes.
*
* @param role the object describing the role to be created.
* @return a new Role object that has id set up properly.
* @throws DataBackendException if there was an error accessing the data
* backend.
* @throws EntityExistsException if the role already exists.
*/
public synchronized Role addRole(Role role)
throws DataBackendException, EntityExistsException
{
boolean roleExists = false;
if (StringUtils.isEmpty(role.getName()))
{
throw new DataBackendException("Could not create "
+ "a role with empty name!");
}
try
{
lockExclusive();
roleExists = checkExists(role);
if (!roleExists)
{
// add a row to the table
Criteria criteria = RolePeerManager.buildCriteria(role);
RolePeerManager.doInsert(criteria);
// try to get the object back using the name as key.
criteria = new Criteria();
criteria.add(RolePeerManager.getNameColumn(), role.getName());
List results = RolePeerManager.doSelect(criteria);
if (results.size() != 1)
{
throw new DataBackendException(
"Internal error - query returned "
+ results.size() + " rows");
}
Role newRole = (Role) results.get(0);
// add the role to system-wide cache
getAllRoles().add(newRole);
// return the object with correct id
return newRole;
}
}
catch (Exception e)
{
throw new DataBackendException("addRole(Role) failed", e);
}
finally
{
unlockExclusive();
}
// the only way we could get here without return/throw tirggered
// is that the roleExists was true.
throw new EntityExistsException("Role '" + role + "' already exists");
}
/**
* Creates a new permission with specified attributes.
*
* @param permission the object describing the permission to be created.
* @return a new Permission object that has id set up properly.
* @throws DataBackendException if there was an error accessing the data
* backend.
* @throws EntityExistsException if the permission already exists.
*/
public synchronized Permission addPermission(Permission permission)
throws DataBackendException, EntityExistsException
{
boolean permissionExists = false;
if (StringUtils.isEmpty(permission.getName()))
{
throw new DataBackendException("Could not create "
+ "a permission with empty name!");
}
try
{
lockExclusive();
permissionExists = checkExists(permission);
if (!permissionExists)
{
// add a row to the table
Criteria criteria = PermissionPeerManager.buildCriteria(permission);
PermissionPeerManager.doInsert(criteria);
// try to get the object back using the name as key.
criteria = new Criteria();
criteria.add(PermissionPeerManager.getNameColumn(),
permission.getName());
List results = PermissionPeerManager.doSelect(criteria);
if (results.size() != 1)
{
throw new DataBackendException(
"Internal error - query returned "
+ results.size() + " rows");
}
Permission newPermission = (Permission) results.get(0);
// add the permission to system-wide cache
getAllPermissions().add(newPermission);
// return the object with correct id
return newPermission;
}
}
catch (Exception e)
{
throw new DataBackendException(
"addPermission(Permission) failed", e);
}
finally
{
unlockExclusive();
}
// the only way we could get here without return/throw tirggered
// is that the permissionExists was true.
throw new EntityExistsException("Permission '" + permission
+ "' already exists");
}
/**
* Removes a Group from the system.
*
* @param group The object describing the group to be removed.
* @throws DataBackendException if there was an error accessing the data
* backend.
* @throws UnknownEntityException if the group does not exist.
*/
public synchronized void removeGroup(Group group)
throws DataBackendException, UnknownEntityException
{
boolean groupExists = false;
try
{
lockExclusive();
groupExists = checkExists(group);
if (groupExists)
{
Criteria criteria = GroupPeerManager.buildCriteria(group);
GroupPeerManager.doDelete(criteria);
getAllGroups().remove(group);
return;
}
}
catch (Exception e)
{
log.error("Failed to delete a Group");
log.error(e);
throw new DataBackendException("removeGroup(Group) failed", e);
}
finally
{
unlockExclusive();
}
throw new UnknownEntityException("Unknown group '" + group + "'");
}
/**
* Removes a Role from the system.
*
* @param role The object describing the role to be removed.
* @throws DataBackendException if there was an error accessing the data
* backend.
* @throws UnknownEntityException if the role does not exist.
*/
public synchronized void removeRole(Role role)
throws DataBackendException, UnknownEntityException
{
boolean roleExists = false;
try
{
lockExclusive();
roleExists = checkExists(role);
if (roleExists)
{
// revoke all permissions from the role to be deleted
revokeAll(role);
Criteria criteria = RolePeerManager.buildCriteria(role);
RolePeerManager.doDelete(criteria);
getAllRoles().remove(role);
return;
}
}
catch (Exception e)
{
throw new DataBackendException("removeRole(Role)", e);
}
finally
{
unlockExclusive();
}
throw new UnknownEntityException("Unknown role '" + role + "'");
}
/**
* Removes a Permission from the system.
*
* @param permission The object describing the permission to be removed.
* @throws DataBackendException if there was an error accessing the data
* backend.
* @throws UnknownEntityException if the permission does not exist.
*/
public synchronized void removePermission(Permission permission)
throws DataBackendException, UnknownEntityException
{
boolean permissionExists = false;
try
{
lockExclusive();
permissionExists = checkExists(permission);
if (permissionExists)
{
Criteria criteria = PermissionPeerManager.buildCriteria(permission);
PermissionPeerManager.doDelete(criteria);
getAllPermissions().remove(permission);
return;
}
}
catch (Exception e)
{
throw new DataBackendException("removePermission(Permission)", e);
}
finally
{
unlockExclusive();
}
throw new UnknownEntityException("Unknown permission '"
+ permission + "'");
}
/**
* Renames an existing Group.
*
* @param group The object describing the group to be renamed.
* @param name the new name for the group.
* @throws DataBackendException if there was an error accessing the data
* backend.
* @throws UnknownEntityException if the group does not exist.
*/
public synchronized void renameGroup(Group group, String name)
throws DataBackendException, UnknownEntityException
{
boolean groupExists = false;
try
{
lockExclusive();
groupExists = checkExists(group);
if (groupExists)
{
group.setName(name);
Criteria criteria = GroupPeerManager.buildCriteria(group);
GroupPeerManager.doUpdate(criteria);
return;
}
}
catch (Exception e)
{
throw new DataBackendException("renameGroup(Group,String)", e);
}
finally
{
unlockExclusive();
}
throw new UnknownEntityException("Unknown group '" + group + "'");
}
/**
* Renames an existing Role.
*
* @param role The object describing the role to be renamed.
* @param name the new name for the role.
* @throws DataBackendException if there was an error accessing the data
* backend.
* @throws UnknownEntityException if the role does not exist.
*/
public synchronized void renameRole(Role role, String name)
throws DataBackendException, UnknownEntityException
{
boolean roleExists = false;
try
{
lockExclusive();
roleExists = checkExists(role);
if (roleExists)
{
role.setName(name);
Criteria criteria = RolePeerManager.buildCriteria(role);
RolePeerManager.doUpdate(criteria);
return;
}
}
catch (Exception e)
{
throw new DataBackendException("renameRole(Role,String)", e);
}
finally
{
unlockExclusive();
}
throw new UnknownEntityException("Unknown role '" + role + "'");
}
/**
* Renames an existing Permission.
*
* @param permission The object describing the permission to be renamed.
* @param name the new name for the permission.
* @throws DataBackendException if there was an error accessing the data
* backend.
* @throws UnknownEntityException if the permission does not exist.
*/
public synchronized void renamePermission(Permission permission,
String name)
throws DataBackendException, UnknownEntityException
{
boolean permissionExists = false;
try
{
lockExclusive();
permissionExists = checkExists(permission);
if (permissionExists)
{
permission.setName(name);
Criteria criteria = PermissionPeerManager.buildCriteria(permission);
PermissionPeerManager.doUpdate(criteria);
return;
}
}
catch (Exception e)
{
throw new DataBackendException(
"renamePermission(Permission,name)", e);
}
finally
{
unlockExclusive();
}
throw new UnknownEntityException("Unknown permission '"
+ permission + "'");
}
/* Service specific implementation methods */
/**
* Determines if the <code>Group</code> exists in the security system.
*
* @param group a <code>Group</code> value
* @return true if the group exists in the system, false otherwise
* @throws DataBackendException when more than one Group with
* the same name exists.
* @throws Exception A generic exception.
*/
protected boolean checkExists(Group group)
throws DataBackendException, Exception
{
return GroupPeerManager.checkExists(group);
}
/**
* Determines if the <code>Role</code> exists in the security system.
*
* @param role a <code>Role</code> value
* @return true if the role exists in the system, false otherwise
* @throws DataBackendException when more than one Role with
* the same name exists.
* @throws Exception A generic exception.
*/
protected boolean checkExists(Role role)
throws DataBackendException, Exception
{
return RolePeerManager.checkExists(role);
}
/**
* Determines if the <code>Permission</code> exists in the security system.
*
* @param permission a <code>Permission</code> value
* @return true if the permission exists in the system, false otherwise
* @throws DataBackendException when more than one Permission with
* the same name exists.
* @throws Exception A generic exception.
*/
protected boolean checkExists(Permission permission)
throws DataBackendException, Exception
{
return PermissionPeerManager.checkExists(permission);
}
}