aai-traversal/src/main/java/org/onap/aai/interceptors/pre/RequestTransactionLogging.java

   1 /**
   2  * ============LICENSE_START=======================================================
   3  * org.onap.aai
   4  * ================================================================================
   5  * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *    http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20 package org.onap.aai.interceptors.pre;
  21
  22 import java.io.ByteArrayInputStream;
  23 import java.io.ByteArrayOutputStream;
  24 import java.io.IOException;
  25 import java.io.InputStream;
  26 import java.util.Random;
  27 import java.util.UUID;
  28
  29 import javax.annotation.Priority;
  30 import javax.servlet.http.HttpServletRequest;
  31 import javax.ws.rs.container.ContainerRequestContext;
  32 import javax.ws.rs.container.ContainerRequestFilter;
  33 import javax.ws.rs.container.PreMatching;
  34 import javax.ws.rs.core.MediaType;
  35
  36 import org.glassfish.jersey.message.internal.ReaderWriter;
  37 import org.glassfish.jersey.server.ContainerException;
  38 import org.onap.aai.exceptions.AAIException;
  39 import org.onap.aai.interceptors.AAIContainerFilter;
  40 import org.onap.aai.interceptors.AAIHeaderProperties;
  41 import org.onap.aai.util.AAIConfig;
  42 import org.onap.aai.util.AAIConstants;
  43 import org.onap.aai.util.HbaseSaltPrefixer;
  44 import org.springframework.beans.factory.annotation.Autowired;
  45
  46 import com.google.gson.JsonObject;
  47
  48 @PreMatching
  49 @Priority(AAIRequestFilterPriority.REQUEST_TRANS_LOGGING)
  50 public class RequestTransactionLogging extends AAIContainerFilter implements ContainerRequestFilter {
  51
  52         @Autowired
  53         private HttpServletRequest httpServletRequest;
  54
  55         @Override
  56         public void filter(ContainerRequestContext requestContext) throws IOException {
  57
  58                 String currentTimeStamp = genDate();
  59                 String fullId = this.getAAITxIdToHeader(currentTimeStamp);
  60                 this.addToRequestContext(requestContext, AAIHeaderProperties.AAI_TX_ID, fullId);
  61                 this.addToRequestContext(requestContext, AAIHeaderProperties.AAI_REQUEST, this.getRequest(requestContext, fullId));
  62                 this.addToRequestContext(requestContext, AAIHeaderProperties.AAI_REQUEST_TS, currentTimeStamp);
  63         }
  64
  65         private void addToRequestContext(ContainerRequestContext requestContext, String name, String aaiTxIdToHeader) {
  66                 requestContext.setProperty(name, aaiTxIdToHeader);
  67         }
  68
  69         private String getAAITxIdToHeader(String currentTimeStamp) {
  70                 String txId = UUID.randomUUID().toString();
  71                 try {
  72                         txId = HbaseSaltPrefixer.getInstance().prependSalt(AAIConfig.get(AAIConstants.AAI_NODENAME) + "-"
  73                                         + currentTimeStamp + "-" + new Random(System.currentTimeMillis()).nextInt(99999));
  74                 } catch (AAIException e) {
  75                 }
  76
  77                 return txId;
  78         }
  79
  80         private String getRequest(ContainerRequestContext requestContext, String fullId) {
  81
  82                 JsonObject request = new JsonObject();
  83                 request.addProperty("ID", fullId);
  84                 request.addProperty("Http-Method", requestContext.getMethod());
  85                 String contentType = httpServletRequest.getContentType();
  86
  87                 if(contentType == null){
  88                         contentType = MediaType.APPLICATION_JSON;
  89                         requestContext.getHeaders().add("Content-Type", contentType);
  90                 }
  91
  92                 request.addProperty("Content-Type", contentType);
  93                 request.addProperty("Headers", requestContext.getHeaders().toString());
  94
  95                 ByteArrayOutputStream out = new ByteArrayOutputStream();
  96                 InputStream in = requestContext.getEntityStream();
  97
  98                 try {
  99                         if (in.available() > 0) {
 100                                 ReaderWriter.writeTo(in, out);
 101                                 byte[] requestEntity = out.toByteArray();
 102                                 request.addProperty("Payload", new String(requestEntity, "UTF-8"));
 103                                 requestContext.setEntityStream(new ByteArrayInputStream(requestEntity));
 104                         }
 105                 } catch (IOException ex) {
 106                         throw new ContainerException(ex);
 107                 }
 108
 109                 return request.toString();
 110         }
 111
 112 }