/*******************************************************************************
*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
* WITHDRAWAL OF THE CODE CAPABILITY TO THE EXTENT NEEDED TO COMPLY WITH
* ANY SUCH LICENSES OR RIGHTS.
*******************************************************************************/
/*
* Author: Neil Soman neil@eucalyptus.com
*/
package com.eucalyptus.ws.handlers;
import org.apache.log4j.Logger;
import org.jboss.netty.channel.ChannelFutureListener;
import org.jboss.netty.channel.ChannelHandlerContext;
import org.jboss.netty.channel.ChannelPipelineCoverage;
import org.jboss.netty.channel.MessageEvent;
import org.jboss.netty.handler.codec.http.HttpHeaders;
import org.jboss.netty.handler.codec.http.HttpResponseStatus;
import com.eucalyptus.http.MappingHttpResponse;
import com.eucalyptus.util.WalrusProperties;
import com.eucalyptus.util.WalrusUtil;
import edu.ucsb.eucalyptus.msgs.CopyObjectResponseType;
import edu.ucsb.eucalyptus.msgs.EucalyptusErrorMessageType;
import edu.ucsb.eucalyptus.msgs.EucalyptusMessage;
import edu.ucsb.eucalyptus.msgs.PostObjectResponseType;
import edu.ucsb.eucalyptus.msgs.PutObjectResponseType;
import edu.ucsb.eucalyptus.msgs.WalrusDeleteResponseType;
import edu.ucsb.eucalyptus.msgs.WalrusErrorMessageType;
@ChannelPipelineCoverage("one")
public class WalrusOutboundHandler extends MessageStackHandler {
private static Logger LOG = Logger.getLogger( WalrusOutboundHandler.class );
@Override
public void incomingMessage( ChannelHandlerContext ctx, MessageEvent event ) throws Exception {
}
@Override
public void outgoingMessage( ChannelHandlerContext ctx, MessageEvent event ) throws Exception {
if ( event.getMessage( ) instanceof MappingHttpResponse ) {
MappingHttpResponse httpResponse = ( MappingHttpResponse ) event.getMessage( );
EucalyptusMessage msg = (EucalyptusMessage) httpResponse.getMessage( );
if(msg instanceof PutObjectResponseType) {
PutObjectResponseType putObjectResponse = (PutObjectResponseType) msg;
httpResponse.addHeader(HttpHeaders.Names.ETAG, '\"' + putObjectResponse.getEtag() + '\"');
httpResponse.addHeader(HttpHeaders.Names.LAST_MODIFIED, putObjectResponse.getLastModified());
if(putObjectResponse.getVersionId() != null) {
httpResponse.addHeader(WalrusProperties.X_AMZ_VERSION_ID, putObjectResponse.getVersionId());
}
} else if (msg instanceof PostObjectResponseType) {
PostObjectResponseType postObjectResponse = (PostObjectResponseType) msg;
String redirectUrl = postObjectResponse.getRedirectUrl();
if ( redirectUrl != null ) {
httpResponse.addHeader(HttpHeaders.Names.LOCATION, redirectUrl);
httpResponse.setStatus(HttpResponseStatus.SEE_OTHER);
httpResponse.setMessage(null);
} else {
Integer successCode = postObjectResponse.getSuccessCode();
if ( successCode != null ) {
if(successCode != 201) {
httpResponse.setMessage(null);
httpResponse.setStatus(new HttpResponseStatus(successCode, "OK"));
} else {
httpResponse.setStatus(new HttpResponseStatus(successCode, "Created"));
}
}
}
//have to force a close for browsers
event.getFuture().addListener(ChannelFutureListener.CLOSE);
} else if(msg instanceof CopyObjectResponseType) {
CopyObjectResponseType copyResponse = (CopyObjectResponseType) msg;
if(copyResponse.getVersionId() != null)
httpResponse.addHeader("x-amz-version-id", copyResponse.getVersionId());
if(copyResponse.getCopySourceVersionId() != null)
httpResponse.addHeader("x-amz-copy-source-version-id", copyResponse.getCopySourceVersionId());
} else if(msg instanceof EucalyptusErrorMessageType) {
EucalyptusErrorMessageType errorMessage = (EucalyptusErrorMessageType) msg;
EucalyptusMessage errMsg = WalrusUtil.convertErrorMessage(errorMessage);
if(errMsg instanceof WalrusErrorMessageType) {
WalrusErrorMessageType walrusErrorMsg = (WalrusErrorMessageType) errMsg;
httpResponse.setStatus(walrusErrorMsg.getStatus());
}
httpResponse.setMessage(errMsg);
} else if(msg instanceof WalrusDeleteResponseType) {
httpResponse.setStatus(HttpResponseStatus.NO_CONTENT);
httpResponse.setMessage(null);
}
}
}
}