/*
* 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.security.policy.rolebased;
import java.util.ArrayList;
import java.util.List;
import org.pentaho.platform.api.engine.IAuthorizationPolicy;
import org.pentaho.platform.api.engine.IPentahoSession;
import org.pentaho.platform.api.engine.ISecurityHelper;
import org.pentaho.platform.engine.core.system.PentahoSessionHolder;
import org.springframework.security.Authentication;
import org.springframework.security.GrantedAuthority;
import org.springframework.security.context.SecurityContextHolder;
import org.springframework.util.Assert;
/**
* An authorization policy based on roles.
*
* @author mlowery
*/
public class RoleAuthorizationPolicy implements IAuthorizationPolicy {
// ~ Static fields/initializers
// ======================================================================================
// ~ Instance fields
// =================================================================================================
private IRoleAuthorizationPolicyRoleBindingDao roleBindingDao;
// ~ Constructors
// ====================================================================================================
public RoleAuthorizationPolicy( final IRoleAuthorizationPolicyRoleBindingDao roleBindingDao ) {
super();
Assert.notNull( roleBindingDao );
this.roleBindingDao = roleBindingDao;
}
// ~ Methods
// =========================================================================================================
/**
* {@inheritDoc}
*/
public List<String> getAllowedActions( String actionNamespace ) {
List<String> assignedRolesInNamespace = new ArrayList<String>();
if ( actionNamespace == null ) {
assignedRolesInNamespace.addAll( roleBindingDao.getBoundLogicalRoleNames( getRuntimeRoleNames() ) );
} else {
if ( !actionNamespace.endsWith( "." ) ) {
actionNamespace += ".";
}
for ( String assignedRole : roleBindingDao.getBoundLogicalRoleNames( getRuntimeRoleNames() ) ) {
if ( assignedRole.startsWith( actionNamespace ) ) {
assignedRolesInNamespace.add( assignedRole );
}
}
}
return assignedRolesInNamespace;
}
/**
* {@inheritDoc}
*/
public boolean isAllowed( String actionName ) {
return roleBindingDao.getBoundLogicalRoleNames( getRuntimeRoleNames() ).contains( actionName );
}
protected List<String> getRuntimeRoleNames() {
List<String> runtimeRoles = new ArrayList<String>();
Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
Assert.state( authentication != null );
GrantedAuthority[] authorities = authentication.getAuthorities();
for ( int i = 0; i < authorities.length; i++ ) {
runtimeRoles.add( authorities[i].getAuthority() );
}
return runtimeRoles;
}
}