/*
* Part of the CCNx Java Library.
*
* Copyright (C) 2008, 2009 Palo Alto Research Center, Inc.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation.
* This library 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
* Lesser General Public License for more details. You should have received
* a copy of the GNU Lesser General Public License along with this library;
* if not, write to the Free Software Foundation, Inc., 51 Franklin Street,
* Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.ccnx.ccn.impl.security.keys;
import org.ccnx.ccn.TrustManager;
import org.ccnx.ccn.impl.support.Log;
import org.ccnx.ccn.protocol.PublisherID;
import org.ccnx.ccn.protocol.PublisherPublicKeyDigest;
/**
* This is a very basic implementation of a TrustManager.
* It checks whether a content's publisher matches the expected publisher for a consumer.
*/
public class BasicTrustManager extends TrustManager {
/**Constructor
*
*/
public BasicTrustManager() {
}
/**
* Checks if the publisher is the expected one.
*/
@Override
public boolean matchesRole(PublisherID desiredRole, PublisherPublicKeyDigest thisKey) {
if (desiredRole.type() != PublisherID.PublisherType.KEY) {
Log.info("Cannot yet handle trust match for anything more complicated than a KEY!");
throw new UnsupportedOperationException("Cannot handle trust match for anything more complicated than a KEY yet!");
}
if (thisKey.equals(desiredRole)) {
return true;
}
return false;
}
}