/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License, version 2 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/gpl-2.0.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* 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.
*
*
* Copyright 2006 - 2013 Pentaho Corporation. All rights reserved.
*/
package org.pentaho.platform.engine.security;
import org.pentaho.platform.api.engine.IAclHolder;
import org.pentaho.platform.api.engine.IPentahoAclEntry;
import org.pentaho.platform.api.engine.IPermissionMask;
import org.pentaho.platform.api.engine.IPermissionMgr;
import org.pentaho.platform.api.engine.IPermissionRecipient;
import org.pentaho.platform.engine.security.acls.PentahoAclEntry;
import org.springframework.security.GrantedAuthorityImpl;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
public class SpringSecurityPermissionMgr implements IPermissionMgr {
private static final SpringSecurityPermissionMgr singletonPermMgr = new SpringSecurityPermissionMgr();
private SpringSecurityPermissionMgr() {
}
public static SpringSecurityPermissionMgr instance() {
return SpringSecurityPermissionMgr.singletonPermMgr;
}
public Map<IPermissionRecipient, IPermissionMask> getPermissions( final Object domainInstance ) {
IAclHolder aclHolder = (IAclHolder) domainInstance;
List<IPentahoAclEntry> aclList = aclHolder.getAccessControls();
return transformEntries( aclList );
}
public Map<IPermissionRecipient, IPermissionMask> getEffectivePermissions( Object domainInstance ) {
IAclHolder aclHolder = (IAclHolder) domainInstance;
List<IPentahoAclEntry> aclList = aclHolder.getEffectiveAccessControls();
return transformEntries( aclList );
}
/**
* Converts from List<IPentahoAclEntry> to Map<IPermissionRecipient, IPermissionMask>.
*/
@SuppressWarnings( "deprecation" )
protected Map<IPermissionRecipient, IPermissionMask> transformEntries( List<IPentahoAclEntry> entriesFromHolder ) {
Map<IPermissionRecipient, IPermissionMask> permissionsMap =
new LinkedHashMap<IPermissionRecipient, IPermissionMask>();
for ( IPentahoAclEntry pentahoAclEntry : entriesFromHolder ) {
IPermissionRecipient permissionRecipient = null;
if ( pentahoAclEntry.getRecipient() instanceof GrantedAuthorityImpl ) {
GrantedAuthorityImpl grantedAuthorityImpl = (GrantedAuthorityImpl) pentahoAclEntry.getRecipient();
permissionRecipient = new SimpleRole( grantedAuthorityImpl.toString() );
} else if ( pentahoAclEntry.getRecipient() instanceof SimpleRole ) {
permissionRecipient = new SimpleRole( (String) pentahoAclEntry.getRecipient() );
} else {
permissionRecipient = new SimpleUser( (String) pentahoAclEntry.getRecipient() );
}
IPermissionMask permissionMask = new SimplePermissionMask( pentahoAclEntry.getMask() );
permissionsMap.put( permissionRecipient, permissionMask );
}
return permissionsMap;
}
@SuppressWarnings( "deprecation" )
public void setPermission( final IPermissionRecipient permissionRecipient, final IPermissionMask permission,
final Object object ) {
if ( object == null || !( object instanceof IAclHolder ) ) {
// i would argue that the "object" parameter should be IAclHolder!
return;
}
IAclHolder aclHolder = (IAclHolder) object;
PentahoAclEntry entry = new PentahoAclEntry();
// TODO mlowery instanceof is undesirable as it doesn't allow new concrete classes.
if ( permissionRecipient instanceof SimpleRole ) {
entry.setRecipient( new GrantedAuthorityImpl( permissionRecipient.getName() ) );
} else {
entry.setRecipient( permissionRecipient.getName() );
}
entry.addPermission( permission.getMask() );
// HibernateUtil.beginTransaction(); - This is now handled by the RepositoryFile
aclHolder.getAccessControls().add( entry );
// HibernateUtil.commitTransaction(); - This should be covered by the exitPoint call
}
@SuppressWarnings( "deprecation" )
public void setPermissions( final Map<IPermissionRecipient, IPermissionMask> permissionsMap, final Object object ) {
if ( object == null || !( object instanceof IAclHolder ) ) {
// i would argue that the "object" parameter should be IAclHolder!
return;
}
IAclHolder aclHolder = (IAclHolder) object;
Set<Map.Entry<IPermissionRecipient, IPermissionMask>> mapEntrySet = permissionsMap.entrySet();
ArrayList<IPentahoAclEntry> aclList = new ArrayList<IPentahoAclEntry>();
for ( Entry<IPermissionRecipient, IPermissionMask> mapEntry : mapEntrySet ) {
PentahoAclEntry pentahoAclEntry = new PentahoAclEntry();
IPermissionRecipient permissionRecipient = mapEntry.getKey();
if ( permissionRecipient instanceof SimpleRole ) {
pentahoAclEntry.setRecipient( new GrantedAuthorityImpl( permissionRecipient.getName() ) );
} else {
pentahoAclEntry.setRecipient( permissionRecipient.getName() );
}
pentahoAclEntry.addPermission( mapEntry.getValue().getMask() );
aclList.add( pentahoAclEntry );
}
// HibernateUtil.beginTransaction(); - This is now handled in the RepositoryFile
aclHolder.resetAccessControls( aclList );
// HibernateUtil.commitTransaction(); - This is covered by the exitPoint
}
}