/*******************************************************************************
*Copyright (c) 2009 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, only version 3 of the License.
*
*
* This file 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., 130 Castilian
* Dr., Goleta, CA 93101 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 FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 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
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*******************************************************************************/
/*
* Author: chris grzegorczyk <grze@eucalyptus.com>
*/
package com.eucalyptus.ws.handlers;
import java.net.URLDecoder;
import java.util.Calendar;
import java.util.Map;
import java.util.TimeZone;
import org.apache.log4j.Logger;
import org.jboss.netty.channel.ChannelHandlerContext;
import org.jboss.netty.channel.ChannelPipelineCoverage;
import org.jboss.netty.channel.MessageEvent;
import com.eucalyptus.auth.login.AuthenticationException;
import com.eucalyptus.auth.util.SecurityParameter;
import com.eucalyptus.auth.util.Timestamps;
import com.eucalyptus.http.MappingHttpRequest;
@ChannelPipelineCoverage( "one" )
public class QueryTimestampHandler extends MessageStackHandler {
private static Logger LOG = Logger.getLogger( QueryTimestampHandler.class );
@Override
public void incomingMessage( ChannelHandlerContext ctx, MessageEvent event ) throws AuthenticationException {
if ( event.getMessage( ) instanceof MappingHttpRequest ) {
MappingHttpRequest httpRequest = ( MappingHttpRequest ) event.getMessage( );
Map<String, String> parameters = httpRequest.getParameters( );
if ( !parameters.containsKey( SecurityParameter.Timestamp.toString( ) ) && !parameters.containsKey( SecurityParameter.Expires.toString( ) ) ) {
throw new AuthenticationException( "One of the following parameters must be specified: " + SecurityParameter.Timestamp + " OR " + SecurityParameter.Expires );
}
Calendar now = null;
Calendar expires = null;
String timestamp = null;
String exp = null;
try {
now = Calendar.getInstance( );
expires = null;
if ( parameters.containsKey( SecurityParameter.Timestamp.toString( ) ) ) {
timestamp = parameters.remove( SecurityParameter.Timestamp.toString( ) );
try {
expires = Timestamps.parseTimestamp( timestamp );
} catch ( Exception e ) {
expires = Timestamps.parseTimestamp( URLDecoder.decode( timestamp ) );
}
expires.add( Calendar.MINUTE, 15 );
} else {
exp = parameters.remove( SecurityParameter.Expires.toString( ) );
try {
expires = Timestamps.parseTimestamp( exp );
} catch ( Exception e ) {
expires = Timestamps.parseTimestamp( URLDecoder.decode( exp ) );
}
}
} catch ( Throwable t ) {
LOG.debug( t, t );
throw new AuthenticationException( "Failure to parse timestamp: Timestamp=" + timestamp + " Expires=" + exp );
}
if ( now.after( expires ) ) {
expires.setTimeZone( TimeZone.getTimeZone( "GMT" ) );
String expiryTime = String.format( "%4d-%02d-%02d'T'%02d:%02d:%02d", expires.get( Calendar.YEAR ), expires.get( Calendar.MONTH ) + 1, expires.get( Calendar.DAY_OF_MONTH ) + 1, expires.get( Calendar.HOUR_OF_DAY ), expires.get( Calendar.MINUTE ), expires.get( Calendar.SECOND ) );
throw new AuthenticationException( "Message has expired (times in UTC): Timestamp=" + timestamp + " Expires=" + exp + " Deadline=" + expiryTime );
}
}
}
@Override
public void outgoingMessage( ChannelHandlerContext ctx, MessageEvent event ) throws Exception {}
}