/*************************************************************************
* (c) Copyright 2017 Hewlett Packard Enterprise Development Company LP
*
* 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/.
************************************************************************/
package com.eucalyptus.auth.policy.key;
import java.util.Set;
import com.eucalyptus.auth.AuthException;
import com.eucalyptus.auth.PolicyResourceContext;
import com.eucalyptus.auth.policy.condition.ConditionOp;
import com.eucalyptus.auth.policy.condition.StringConditionOp;
import com.eucalyptus.context.Contexts;
import com.eucalyptus.util.Exceptions;
import edu.ucsb.eucalyptus.msgs.BaseMessage;
import edu.ucsb.eucalyptus.msgs.HasTags;
import net.sf.json.JSONException;
/**
*
*/
@PolicyKey( value = Keys.AWS_TAG_KEYS )
public class TagKeys implements AwsKey {
private static final String KEY = Keys.AWS_TAG_KEYS;
@Override
public String value( ) throws AuthException {
throw new AuthException( "Not supported" );
}
@Override
public Set<String> values( ) throws AuthException {
return getTagKeys( );
}
@Override
public void validateConditionType( Class<? extends ConditionOp> conditionClass ) throws JSONException {
if ( !StringConditionOp.class.isAssignableFrom( conditionClass ) ) {
throw new JSONException( KEY + " is not allowed in condition " + conditionClass.getName( ) + ". String conditions are required." );
}
}
private Set<String> getTagKeys( ) throws AuthException {
try {
final BaseMessage request = Contexts.lookup( ).getRequest( );
final Set<String> keys;
if ( request instanceof HasTags ) {
keys = ( (HasTags) request ).getTagKeys(
PolicyResourceContext.getResourceType( ),
PolicyResourceContext.getResourceId( )
);
} else {
throw new AuthException( "Error getting value for request tag keys condition" );
}
return keys;
} catch ( Exception e ) {
Exceptions.findAndRethrow( e, AuthException.class );
throw new AuthException( "Error getting value for request tag keys condition", e );
}
}
}