/*
    * Copyright 2009 the original author or authors.
    * 
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *     http://www.apache.org/licenses/LICENSE-2.0
    *     
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.openehealth.ipf.commons.ihe.ws.cxf.audit;
  
  import org.apache.cxf.binding.soap.SoapMessage;
  import org.apache.cxf.headers.Header;
  import org.apache.cxf.wsdl.interceptors.DocLiteralInInterceptor;
  import org.apache.cxf.phase.Phase;
  import org.openehealth.ipf.commons.audit.AuditContext;
  import org.openehealth.ipf.commons.ihe.core.atna.AuditStrategy;
  import org.openehealth.ipf.commons.ihe.ws.WsTransactionConfiguration;
  import org.openehealth.ipf.commons.ihe.ws.cxf.payload.StringPayloadHolder;
  
  /**
   * CXF interceptor for ATNA auditing in WS-based IHE transactions with
   * WSA asynchrony support.  Handles <b>incoming</b> requests
   * on <b>service</b> (consumer) side.
   *
   * @author Dmytro Rud
   */
  public class AuditInRequestInterceptor<T extends WsAuditDataset> extends AbstractAuditInterceptor<T> {
  
      private final WsTransactionConfiguration<T> wsTransactionConfiguration;
  
      /**
       * Constructor.
       */
      public AuditInRequestInterceptor(AuditStrategy<T> auditStrategy, AuditContext auditContext, WsTransactionConfiguration<T> wsTransactionConfiguration) {
          super(Phase.UNMARSHAL, auditStrategy, auditContext);
          addAfter(DocLiteralInInterceptor.class.getName());
          this.wsTransactionConfiguration = wsTransactionConfiguration;
      }
  
      
      @Override
      protected void process(SoapMessage message) {
          if (isGET(message)) {
              return;
          }
  
          T auditDataset = getAuditDataset(message);
          extractAddressesFromServletRequest(message, auditDataset);
          extractXuaUserNameFromSaml2Assertion(message, Header.Direction.DIRECTION_IN, auditDataset);
          // TODO Also extract basic auth user?
          extractClientCertificateCommonName(message, auditDataset);
          
          if (wsTransactionConfiguration.isAuditRequestPayload()) {
              auditDataset.setRequestPayload(message.getContent(StringPayloadHolder.class));
          }
  
          getAuditStrategy().enrichAuditDatasetFromRequest(auditDataset, extractPojo(message), message);
      }
  
  }