/*************************************************************************
 * Copyright 2009-2016 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
 *   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
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 *   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.blockstorage.pipelines;

import org.jboss.netty.channel.ChannelPipeline;
import org.jboss.netty.handler.codec.http.HttpRequest;

import com.eucalyptus.binding.BindingManager;
import com.eucalyptus.blockstorage.Storage;
import com.eucalyptus.component.annotation.ComponentPart;
import com.eucalyptus.ws.Handlers;
import com.eucalyptus.ws.handlers.BindingHandler;
import com.eucalyptus.ws.server.FilteredPipeline;
import com.eucalyptus.ws.stages.ExternalSCAuthenticationStage;
import com.eucalyptus.ws.stages.UnrollableStage;

@ComponentPart(Storage.class)
public class ExternalStorageControllerSoapPipeline extends FilteredPipeline {
  private static final String SC_EXTERNAL_SOAP_NAMESPACE = "storagecontroller_eucalyptus_ucsb_edu";

  private final UnrollableStage auth = new ExternalSCAuthenticationStage();

  @Override
  public boolean checkAccepts(final HttpRequest message) {
    return (message.getUri().endsWith("/services/Storage") || message.getUri().endsWith("/services/Storage/"))
        && message.getHeaderNames().contains("SOAPAction") && message.getHeader("SOAPAction").trim().startsWith("\"EucalyptusSC#");
  }

  @Override
  public String getName() {
    return "storage-controller-external-soap";
  }

  @Override
  public ChannelPipeline addHandlers(ChannelPipeline pipeline) {
    pipeline.addLast("deserialize", Handlers.soapMarshalling());
    // pipeline.addLast( "ws-security", Handlers.internalWsSecHandler() );
    auth.unrollStage(pipeline);
    pipeline.addLast("ws-addressing", Handlers.newAddressingHandler("EucalyptusSC#"));
    pipeline.addLast("build-soap-envelope", Handlers.soapHandler());
    // pipeline.addLast( "binding", Handlers.bindingHandler( ) ); //
    pipeline.addLast("binding",
        new BindingHandler(BindingHandler.context(BindingManager.getBinding(SC_EXTERNAL_SOAP_NAMESPACE))));
    return pipeline;
  }

}