/*************************************************************************
* Copyright 2009-2015 Eucalyptus Systems, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3 of the License.
*
* 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 http://www.gnu.org/licenses/.
*
* Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta
* CA 93117, USA or visit http://www.eucalyptus.com/licenses/ if you need
* additional information or have any questions.
************************************************************************/
package com.eucalyptus.auth.policy.variable;
import com.eucalyptus.auth.AuthException;
import com.eucalyptus.auth.principal.Principals;
import com.eucalyptus.context.Context;
import com.eucalyptus.context.Contexts;
/**
*
*/
public class UserIdPolicyVariable extends PolicyVariableSupport {
protected UserIdPolicyVariable( ) {
super( "aws", "userid" );
}
@Override
public String evaluate( ) throws AuthException {
try {
Context context = Contexts.lookup( );
if ( Principals.isFakeIdentityUserId( context.getUser( ).getAuthenticatedId( ) ) ) {
throw new AuthException( "Principal information not available" );
}
return context.getUser( ).getAuthenticatedId( );
} catch ( Exception e ) {
throw new AuthException( "Unable to retrieve user identifier for policy variable" );
}
}
}