/*************************************************************************
* 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.
*
* This file may incorporate work covered under the following copyright
* and permission notice:
*
* Software License Agreement (BSD License)
*
* Copyright (c) 2008, Regents of the University of California
* All rights reserved.
*
* Redistribution and use of this software in source and binary forms,
* with or without modification, are permitted provided that the
* following conditions are met:
*
* Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE. USERS OF THIS SOFTWARE ACKNOWLEDGE
* THE POSSIBLE PRESENCE OF OTHER OPEN SOURCE LICENSED MATERIAL,
* COPYRIGHTED MATERIAL OR PATENTED MATERIAL IN THIS SOFTWARE,
* AND IF ANY SUCH MATERIAL IS DISCOVERED THE PARTY DISCOVERING
* IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA,
* SANTA BARBARA WHO WILL THEN ASCERTAIN THE MOST APPROPRIATE REMEDY,
* WHICH IN THE REGENTS' DISCRETION MAY INCLUDE, WITHOUT LIMITATION,
* REPLACEMENT OF THE CODE SO IDENTIFIED, LICENSING OF THE CODE SO
* IDENTIFIED, OR WITHDRAWAL OF THE CODE CAPABILITY TO THE EXTENT
* NEEDED TO COMPLY WITH ANY SUCH LICENSES OR RIGHTS.
************************************************************************/
package com.eucalyptus.auth.login;
import java.security.cert.X509Certificate;
import org.apache.log4j.Logger;
import org.apache.xml.security.signature.XMLSignature;
import org.w3c.dom.Element;
import com.eucalyptus.auth.Accounts;
import com.eucalyptus.auth.api.BaseLoginModule;
import com.eucalyptus.auth.principal.UserPrincipal;
import com.eucalyptus.auth.util.Identifiers;
import com.eucalyptus.binding.HoldMe;
import com.eucalyptus.crypto.util.B64;
import com.eucalyptus.crypto.util.WSSecurity;
public class WsSecLoginModule extends BaseLoginModule<WsSecCredentials> {
private static Logger LOG = Logger.getLogger( WsSecLoginModule.class );
public WsSecLoginModule( ) {}
@Override
public boolean accepts( ) {
return super.getCallbackHandler( ) instanceof WsSecCredentials;
}
@SuppressWarnings( "unchecked" )
@Override
public boolean authenticate( final WsSecCredentials wrappedCredentials ) throws Exception {
HoldMe.canHas.lock( );
try {
final Element secNode = WSSecurity.getSecurityElement( wrappedCredentials.getLoginData( ) );
final XMLSignature sig = WSSecurity.getXMLSignature( secNode );
final String sigValue = B64.standard.encString(sig.getSignatureValue());
SecurityContext.enqueueSignature( sigValue );
final X509Certificate cert = WSSecurity.verifySignature( secNode, sig );
final UserPrincipal user =
Accounts.lookupCachedPrincipalByCertificateId( Identifiers.generateCertificateIdentifier( cert) );
super.setCredential( cert );
super.setPrincipal( user );
} finally {
HoldMe.canHas.unlock( );
}
return true;
}
}