/*************************************************************************
* (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.Collections;
import java.util.Map;
/**
* IAM policy condition key provider for dynamic aws keys.
*/
public class AwsKeyProvider implements KeyProvider {
private static final String REQUEST_TAG_CONDITION_PREFIX = "aws:requesttag/";
@Override
public String getName( ) {
return "Aws";
}
@Override
public boolean provides( final String name ) {
return name != null && name.toLowerCase( ).startsWith( REQUEST_TAG_CONDITION_PREFIX );
}
@Override
public Key getKey( final String name ) {
final String tagKey = name.substring( REQUEST_TAG_CONDITION_PREFIX.length( ) );
return new RequestTag( REQUEST_TAG_CONDITION_PREFIX + tagKey, tagKey );
}
@Override
public Map<String, Key> getKeyInstances( final Key.EvaluationConstraint constraint ) {
return Collections.emptyMap( );
}
}