aai-service/provider/src/main/java/org/onap/ccsdk/sli/adaptors/aai/AAIClientRESTExecutor.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * openECOMP : SDN-C
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights
   6  *                         reserved.
   7  * ================================================================================
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *      http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  * ============LICENSE_END=========================================================
  20  */
  21
  22 package org.onap.ccsdk.sli.adaptors.aai;
  23
  24 import java.io.BufferedReader;
  25 import java.io.ByteArrayInputStream;
  26 import java.io.File;
  27 import java.io.FileInputStream;
  28 import java.io.InputStream;
  29 import java.io.InputStreamReader;
  30 import java.io.OutputStreamWriter;
  31 import java.lang.reflect.Field;
  32 import java.lang.reflect.InvocationTargetException;
  33 import java.lang.reflect.Method;
  34 import java.lang.reflect.Modifier;
  35 import java.net.HttpURLConnection;
  36 import java.net.MalformedURLException;
  37 import java.net.URL;
  38 import java.nio.charset.StandardCharsets;
  39 import java.security.KeyManagementException;
  40 import java.security.KeyStore;
  41 import java.security.NoSuchAlgorithmException;
  42 import java.text.SimpleDateFormat;
  43 import java.util.Properties;
  44
  45 import javax.net.ssl.HostnameVerifier;
  46 import javax.net.ssl.HttpsURLConnection;
  47 import javax.net.ssl.KeyManagerFactory;
  48 import javax.net.ssl.SSLContext;
  49 import javax.net.ssl.SSLSession;
  50 import javax.net.ssl.SSLSocketFactory;
  51 import javax.ws.rs.HttpMethod;
  52
  53 import org.apache.commons.codec.binary.Base64;
  54 import org.onap.ccsdk.sli.adaptors.aai.AAIService.TransactionIdTracker;
  55 import org.onap.ccsdk.sli.adaptors.aai.data.AAIDatum;
  56 import org.onap.ccsdk.sli.adaptors.aai.data.ErrorResponse;
  57 import org.onap.ccsdk.sli.adaptors.aai.data.RequestError;
  58 import org.onap.ccsdk.sli.adaptors.aai.data.ResourceVersion;
  59 import org.onap.ccsdk.sli.adaptors.aai.data.ServiceException;
  60 import org.onap.ccsdk.sli.core.sli.MetricLogger;
  61 import org.slf4j.Logger;
  62 import org.slf4j.LoggerFactory;
  63
  64 import com.fasterxml.jackson.databind.DeserializationFeature;
  65 import com.fasterxml.jackson.databind.ObjectMapper;
  66 import com.sun.jersey.api.client.config.DefaultClientConfig;
  67 import com.sun.jersey.client.urlconnection.HTTPSProperties;
  68
  69 /**
  70  * The AAIClientRESTExecutor class provides CRUD API for AAI Client service.
  71  * @author  richtabedzki
  72  */
  73 public     class AAIClientRESTExecutor implements AAIExecutorInterface {
  74
  75     private final String truststorePath;
  76     private final String truststorePassword;
  77     private final String keystorePath;
  78     private final String keystorePassword;
  79     private final Boolean ignoreCertificateHostError;
  80     // authentication credentials
  81     private String userName;
  82     private String userPassword;
  83     private final String applicationId;
  84
  85     /**
  86      * class Constructor
  87      * @param props - properties to initialize an instance.
  88      */
  89     public AAIClientRESTExecutor(Properties props) {
  90         super();
  91
  92         userName            = props.getProperty(AAIService.CLIENT_NAME);
  93         userPassword        = props.getProperty(AAIService.CLIENT_PWWD);
  94
  95         if(userName == null || userName.isEmpty()){
  96             LOG.debug("Basic user name is not set");
  97         }
  98         if(userPassword == null || userPassword.isEmpty()) {
  99             LOG.debug("Basic password is not set");
 100         }
 101
 102         truststorePath     = props.getProperty(AAIService.TRUSTSTORE_PATH);
 103         truststorePassword = props.getProperty(AAIService.TRUSTSTORE_PSSWD);
 104         keystorePath         = props.getProperty(AAIService.KEYSTORE_PATH);
 105         keystorePassword     = props.getProperty(AAIService.KEYSTORE_PSSWD);
 106 //        this.read_timeout = read_timeout;
 107
 108         String tmpApplicationId =props.getProperty(AAIService.APPLICATION_ID);
 109         if(tmpApplicationId == null || tmpApplicationId.isEmpty()) {
 110             tmpApplicationId = "SDNC";
 111         }
 112         applicationId = tmpApplicationId;
 113
 114         String iche = props.getProperty(AAIService.CERTIFICATE_HOST_ERROR);
 115         boolean host_error = false;
 116         if(iche != null && !iche.isEmpty()) {
 117             host_error = Boolean.valueOf(iche);
 118         }
 119
 120         ignoreCertificateHostError = host_error;
 121
 122         HttpsURLConnection.setDefaultHostnameVerifier( new HostnameVerifier(){
 123             public boolean verify(String string,SSLSession ssls) {
 124                 return ignoreCertificateHostError;
 125             }
 126         });
 127
 128         if(truststorePath != null && truststorePassword != null && (new File(truststorePath)).exists()) {
 129             System.setProperty("javax.net.ssl.trustStore", truststorePath);
 130             System.setProperty("javax.net.ssl.trustStorePassword", truststorePassword);
 131         }
 132
 133         if(keystorePath != null && keystorePassword != null && (new File(keystorePath)).exists())
 134         {
 135             DefaultClientConfig config = new DefaultClientConfig();
 136             //both jersey and HttpURLConnection can use this
 137             SSLContext ctx = null;
 138             try {
 139                 ctx = SSLContext.getInstance("TLS");
 140
 141                 KeyManagerFactory kmf = null;
 142                 try {
 143                     String storeType = "PKCS12";
 144                     String def = KeyStore.getDefaultType();
 145                     kmf = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
 146                     FileInputStream fin = new FileInputStream(keystorePath);
 147
 148                     String extension = keystorePath.substring(keystorePath.lastIndexOf(".") + 1);
 149
 150                     if(extension != null && !extension.isEmpty() && extension.equalsIgnoreCase("JKS")) {
 151                         storeType = "JKS";
 152                     }
 153                     KeyStore ks = KeyStore.getInstance(storeType);
 154
 155                     char[] pwd = keystorePassword.toCharArray();
 156                     ks.load(fin, pwd);
 157                     kmf.init(ks, pwd);
 158                 } catch (Exception ex) {
 159                     LOG.error("AAIResource", ex);
 160                 }
 161
 162                 ctx.init(kmf.getKeyManagers(), null, null);
 163                 config.getProperties().put(HTTPSProperties.PROPERTY_HTTPS_PROPERTIES, new HTTPSProperties( new HostnameVerifier() {
 164                         @Override
 165                         public boolean verify( String s, SSLSession sslSession ) {
 166                             return ignoreCertificateHostError;
 167                         }
 168                 }, ctx));
 169
 170                 CTX = ctx;
 171                 LOG.debug("SSLContext created");
 172
 173             } catch (KeyManagementException | NoSuchAlgorithmException exc) {
 174                 LOG.error("AAIResource", exc);
 175             }
 176         }
 177
 178         try {
 179             Field methodsField = HttpURLConnection.class.getDeclaredField("methods");
 180             methodsField.setAccessible(true);
 181             // get the methods field modifiers
 182             Field modifiersField = Field.class.getDeclaredField("modifiers");
 183             // bypass the "private" modifier
 184             modifiersField.setAccessible(true);
 185
 186             // remove the "final" modifier
 187             modifiersField.setInt(methodsField, methodsField.getModifiers() & ~Modifier.FINAL);
 188
 189             /* valid HTTP methods */
 190             String[] methods = {
 191                        "GET", "POST", "HEAD", "OPTIONS", "PUT", "DELETE", "TRACE", "PATCH"
 192             };
 193             // set the new methods - including patch
 194             methodsField.set(null, methods);
 195
 196         } catch (SecurityException | IllegalArgumentException | IllegalAccessException | NoSuchFieldException e) {
 197                 LOG.warn("Adding PATCH method", e);
 198         }
 199         LOG.info("AAIResource.ctor initialized.");
 200
 201     }
 202
 203     private static final Logger LOG = LoggerFactory.getLogger(AAIService.class);
 204     private final MetricLogger ml = new MetricLogger();
 205
 206     private SSLContext CTX;
 207
 208
 209     private int connection_timeout = 300000;
 210
 211     private int read_timeout = 300000;
 212
 213     /**
 214      * Returns an String that contains JSON data returned from the AAI Server.
 215      * <p>
 216      * This method always returns immediately, whether or not the
 217      * data exists.
 218      *
 219      * @param  request  an instance of AAIRequiest representing
 220      *                 the request made by DirectedGraph node.
 221      * @return      the JSON based representation of data instance requested.
 222      * @see         String
 223      */
 224     @Override
 225     public String get(AAIRequest request) throws AAIServiceException {
 226         String response = null;
 227         InputStream inputStream = null;
 228         HttpURLConnection con = null;
 229         URL requestUrl = null;
 230
 231         StringBuilder errorStringBuilder = new StringBuilder();
 232
 233         try {
 234
 235             if(request.getRequestObject() != null) {
 236                 requestUrl = request.getRequestUrl(HttpMethod.POST, null);
 237                 requestUrl = appendDepth(requestUrl, request);
 238                 con = getConfiguredConnection(requestUrl, HttpMethod.POST);
 239                 String json_text = request.toJSONString();
 240                 LOGwriteDateTrace("data", json_text);
 241                 logMetricRequest("POST "+requestUrl.getPath(), json_text, requestUrl.getPath());
 242                 OutputStreamWriter osw = new OutputStreamWriter(con.getOutputStream());
 243                 osw.write(json_text);
 244                 osw.flush();
 245             } else {
 246                 requestUrl = request.getRequestUrl(HttpMethod.GET, null);
 247                 requestUrl = appendDepth(requestUrl, request);
 248                 con = getConfiguredConnection(requestUrl, HttpMethod.GET);
 249                 logMetricRequest("GET "+requestUrl.getPath(), "", requestUrl.getPath());
 250             }
 251
 252             // Check for errors
 253             String responseMessage = con.getResponseMessage();
 254             int responseCode = con.getResponseCode();
 255             if (responseCode == HttpURLConnection.HTTP_OK) {
 256                 inputStream = con.getInputStream();
 257             } else {
 258                 inputStream = con.getErrorStream();
 259             }
 260
 261             // Process the response
 262             LOG.debug("HttpURLConnection result:" + responseCode + " : " + responseMessage);
 263             logMetricResponse(responseCode, responseMessage);
 264
 265             if(inputStream == null) inputStream = new ByteArrayInputStream("".getBytes(StandardCharsets.UTF_8));
 266             BufferedReader reader = new BufferedReader( new InputStreamReader( inputStream ) );
 267
 268             ObjectMapper mapper = AAIService.getObjectMapper();
 269
 270             if (responseCode == HttpURLConnection.HTTP_OK) {
 271                 StringBuilder stringBuilder = new StringBuilder();
 272                 String line = null;
 273                 while( ( line = reader.readLine() ) != null ) {
 274                     stringBuilder.append( line );
 275                 }
 276                 response = stringBuilder.toString();
 277                 try {
 278                     Object object = mapper.readValue(response, Object.class);
 279                     LOGwriteEndingTrace(HttpURLConnection.HTTP_OK, responseMessage, mapper.writeValueAsString(object));
 280                 } catch(Exception exc) {
 281                     LOGwriteEndingTrace(HttpURLConnection.HTTP_OK, responseMessage, mapper.writeValueAsString(response));
 282                 }
 283             } else if (responseCode == HttpURLConnection.HTTP_NOT_FOUND) {
 284                 LOGwriteEndingTrace(responseCode, responseMessage, "Entry does not exist.");
 285                 ErrorResponse errorresponse = null;
 286                 try {
 287                     errorresponse = mapper.readValue(reader, ErrorResponse.class);
 288                 } catch(Exception exc) {
 289                     errorresponse = new ErrorResponse();
 290                     RequestError requestError = new RequestError();
 291                     ServiceException serviceException = new ServiceException();
 292                     serviceException.setText("Entry does not exist.");
 293                     requestError.setServiceException(serviceException);
 294                     errorresponse.setRequestError(requestError );
 295                 }
 296                 throw new AAIServiceException(responseCode, errorresponse);
 297             } else if (responseCode == HttpURLConnection.HTTP_UNAUTHORIZED) {
 298                 StringBuilder stringBuilder = new StringBuilder();
 299                 String line = null;
 300                 while( ( line = reader.readLine() ) != null ) {
 301                     stringBuilder.append( line );
 302                 }
 303                 LOGwriteEndingTrace(responseCode, responseMessage, stringBuilder.toString());
 304                 ServiceException serviceException = new ServiceException();
 305                 serviceException.setMessageId("HTTP_UNAUTHORIZED");
 306                 serviceException.setText(stringBuilder.toString());
 307                 RequestError requestError = new RequestError();
 308                 requestError.setServiceException(serviceException);
 309                 ErrorResponse errorresponse = new ErrorResponse();
 310                 errorresponse.setRequestError(requestError);
 311                 throw new AAIServiceException(responseCode, errorresponse);
 312             } else {
 313 //                StringBuilder errorStringBuilder = new StringBuilder();
 314                 String line = null;
 315                 while( ( line = reader.readLine() ) != null ) {
 316                     errorStringBuilder.append("\n").append( line );
 317                 }
 318
 319                 ErrorResponse errorresponse = mapper.readValue(errorStringBuilder.toString(), ErrorResponse.class);
 320 //                ErrorResponse errorresponse = mapper.readValue(reader, ErrorResponse.class);
 321                 LOGwriteEndingTrace(responseCode, responseMessage, mapper.writeValueAsString(errorresponse));
 322                 throw new AAIServiceException(responseCode, errorresponse);
 323             }
 324
 325         } catch(AAIServiceException aaiexc) {
 326             throw aaiexc;
 327         } catch (Exception exc) {
 328             LOG.warn(errorStringBuilder.toString(), exc);
 329             throw new AAIServiceException(exc);
 330         } finally {
 331             if(inputStream != null){
 332                 try {
 333                     inputStream.close();
 334                 } catch(Exception exc) {
 335
 336                 }
 337             }
 338         }
 339         return response;
 340     }
 341
 342     /**
 343      * Returns an String that contains JSON data returned from the AAI Server.
 344      * <p>
 345      * This method always returns immediately, whether or not the
 346      * data exists.
 347      *
 348      * @param  request  an instance of AAIRequiest representing
 349      *                 the request made by DirectedGraph node.
 350      * @return      the JSON based representation of data instance requested.
 351      * @see         String
 352      */
 353     @Override
 354     public String post(AAIRequest request) throws AAIServiceException {
 355         InputStream inputStream = null;
 356
 357         try {
 358             String resourceVersion = null;
 359             AAIDatum instance = request.getRequestObject();
 360
 361             try {
 362                 Method getResourceVersionMethod = instance.getClass().getMethod("getResourceVersion");
 363                 if(getResourceVersionMethod != null){
 364                     try {
 365                         Object object = getResourceVersionMethod.invoke(instance);
 366                         if(object != null)
 367                             resourceVersion = object.toString();
 368                     } catch (InvocationTargetException x) {
 369                         Throwable cause = x.getCause();
 370                     }
 371                 }
 372             } catch(Exception exc) {
 373                 LOG.error("", exc);
 374             }
 375
 376             URL requestUrl = null;
 377             HttpURLConnection con = getConfiguredConnection(requestUrl = request.getRequestUrl(HttpMethod.PUT, resourceVersion), HttpMethod.PUT);
 378             ObjectMapper mapper = AAIService.getObjectMapper();
 379             String json_text = request.toJSONString();
 380
 381             LOGwriteDateTrace("data", json_text);
 382             logMetricRequest("PUT "+requestUrl.getPath(), json_text, requestUrl.getPath());
 383
 384             OutputStreamWriter osw = new OutputStreamWriter(con.getOutputStream());
 385             osw.write(json_text);
 386             osw.flush();
 387
 388             // Check for errors
 389             String responseMessage = con.getResponseMessage();
 390             int responseCode = con.getResponseCode();
 391             if (responseCode == HttpURLConnection.HTTP_OK || responseCode == HttpURLConnection.HTTP_CREATED || responseCode == HttpURLConnection.HTTP_ACCEPTED || responseCode == HttpURLConnection.HTTP_NO_CONTENT) {
 392                 inputStream = con.getInputStream();
 393             } else {
 394                 inputStream = con.getErrorStream();
 395             }
 396
 397             LOG.debug("HttpURLConnection result:" + responseCode + " : " + responseMessage);
 398             logMetricResponse(responseCode, responseMessage);
 399
 400             // Process the response
 401             BufferedReader reader;
 402             String line = null;
 403             reader = new BufferedReader( new InputStreamReader( inputStream ) );
 404             mapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
 405
 406             if (responseCode == HttpURLConnection.HTTP_OK || responseCode == HttpURLConnection.HTTP_CREATED || responseCode == HttpURLConnection.HTTP_ACCEPTED || responseCode == HttpURLConnection.HTTP_NO_CONTENT) {
 407                 StringBuilder stringBuilder = new StringBuilder();
 408
 409                 while( ( line = reader.readLine() ) != null ) {
 410                     stringBuilder.append( line );
 411                 }
 412                 LOGwriteEndingTrace(responseCode, responseMessage, (stringBuilder.length() > 0) ? stringBuilder.toString() : "{no-data}");
 413                 return stringBuilder.toString();
 414             } else {
 415                 ErrorResponse errorresponse = mapper.readValue(reader, ErrorResponse.class);
 416                 LOGwriteEndingTrace(responseCode, responseMessage, mapper.writeValueAsString(errorresponse));
 417
 418                 throw new AAIServiceException(responseCode, errorresponse);
 419             }
 420         } catch(AAIServiceException aaiexc) {
 421             throw aaiexc;
 422         } catch (Exception exc) {
 423             LOG.warn("AAIRequestExecutor.post", exc);
 424             throw new AAIServiceException(exc);
 425         } finally {
 426             try {
 427                 if(inputStream != null)
 428                 inputStream.close();
 429             } catch (Exception exc) {
 430
 431             }
 432         }
 433     }
 434
 435     /**
 436      * Returns Boolean that contains completion state of the command executed.
 437      * <p>
 438      * This method always returns immediately, whether or not the
 439      * data exists.
 440      *
 441      * @param  request  an instance of AAIRequiest representing
 442      * @param  resourceVersion  a resource version of the data instacne to be deleted.
 443      *                 the request made by DirectedGraph node.
 444      * @return      completion state of the command.
 445      * @see         String
 446      */
 447     @Override
 448     public Boolean delete(AAIRequest request, String resourceVersion) throws AAIServiceException {
 449         Boolean response = null;
 450         InputStream inputStream = null;
 451
 452         if(resourceVersion == null) {
 453             throw new AAIServiceException("resource-version is required for DELETE request");
 454         }
 455
 456         try {
 457             URL requestUrl = null;
 458             HttpURLConnection conn = getConfiguredConnection(requestUrl = request.getRequestUrl(HttpMethod.DELETE, resourceVersion), HttpMethod.DELETE);
 459             logMetricRequest("DELETE "+requestUrl.getPath(), "", requestUrl.getPath());
 460             conn.setDoOutput(true);
 461
 462             // Check for errors
 463             String responseMessage = conn.getResponseMessage();
 464             int responseCode = conn.getResponseCode();
 465             if (responseCode == HttpURLConnection.HTTP_OK || responseCode == HttpURLConnection.HTTP_NO_CONTENT) {
 466                 inputStream = conn.getInputStream();
 467             } else {
 468                 inputStream = conn.getErrorStream();
 469             }
 470
 471             // Process the response
 472             LOG.debug("HttpURLConnection result:" + responseCode + " : " + responseMessage);
 473             logMetricResponse(responseCode, responseMessage);
 474
 475             if(inputStream == null) inputStream = new ByteArrayInputStream("".getBytes(StandardCharsets.UTF_8));
 476             BufferedReader reader = new BufferedReader( new InputStreamReader( inputStream ) );
 477             String line = null;
 478
 479             ObjectMapper mapper = AAIService.getObjectMapper();
 480
 481             if (responseCode == HttpURLConnection.HTTP_OK || responseCode == HttpURLConnection.HTTP_NO_CONTENT) {
 482                 StringBuilder stringBuilder = new StringBuilder();
 483
 484                 while( ( line = reader.readLine() ) != null ) {
 485                     stringBuilder.append( line );
 486                 }
 487                 LOGwriteEndingTrace(responseCode, responseMessage, stringBuilder.toString());
 488                 response = true;
 489             } else if(responseCode == HttpURLConnection.HTTP_NOT_FOUND ) {
 490                 LOGwriteEndingTrace(responseCode, responseMessage, "Entry does not exist.");
 491                 response = false;
 492             } else {
 493                 ErrorResponse errorresponse = mapper.readValue(reader, ErrorResponse.class);
 494                 LOGwriteEndingTrace(responseCode, responseMessage, mapper.writeValueAsString(errorresponse));
 495                 throw new AAIServiceException(responseCode, errorresponse);
 496             }
 497         } catch(AAIServiceException aaiexc) {
 498             throw aaiexc;
 499         } catch (Exception exc) {
 500             LOG.warn("delete", exc);
 501             throw new AAIServiceException(exc);
 502         } finally {
 503             if(inputStream != null){
 504                 try {
 505                     inputStream.close();
 506                 } catch(Exception exc) {
 507
 508                 }
 509             }
 510         }
 511         return response;
 512     }
 513
 514     /**
 515      * Returns an String that contains JSON data returned from the AAI Server.
 516      * <p>
 517      * This method always returns immediately, whether or not the
 518      * data exists.
 519      *
 520      * @param  request  an instance of AAIRequiest representing
 521      *                 the request made by DirectedGraph node.
 522      * @param clas   an definition of the class for which data will be returned
 523      * @return      the instance of the class with data.
 524      * @see         String
 525      */
 526     @Override
 527     public Object query(AAIRequest request, Class clas) throws AAIServiceException {
 528         Object response = null;
 529         InputStream inputStream = null;
 530         HttpURLConnection con = null;
 531         URL requestUrl = null;
 532
 533         try {
 534             con = getConfiguredConnection(requestUrl = request.getRequestQueryUrl(HttpMethod.GET), HttpMethod.GET);
 535             logMetricRequest("GET "+requestUrl.getPath(), "", requestUrl.getPath());
 536
 537             // Check for errors
 538             String responseMessage = con.getResponseMessage();
 539             int responseCode = con.getResponseCode();
 540             if (responseCode == HttpURLConnection.HTTP_OK) {
 541                 inputStream = con.getInputStream();
 542             } else {
 543                 inputStream = con.getErrorStream();
 544             }
 545
 546             logMetricResponse(responseCode, responseMessage);
 547             ObjectMapper mapper = AAIService.getObjectMapper();
 548
 549             if (responseCode == HttpURLConnection.HTTP_OK) {
 550                 // Process the response
 551                 BufferedReader reader = new BufferedReader( new InputStreamReader( inputStream ) );
 552                 response = mapper.readValue(reader, clas);
 553                 LOGwriteEndingTrace(HttpURLConnection.HTTP_OK, "SUCCESS", mapper.writeValueAsString(response));
 554             } else if (responseCode == HttpURLConnection.HTTP_NOT_FOUND) {
 555                 LOGwriteEndingTrace(responseCode, "HTTP_NOT_FOUND", "Entry does not exist.");
 556                 return response;
 557             } else {
 558                 BufferedReader reader = new BufferedReader( new InputStreamReader( inputStream ) );
 559                 ErrorResponse errorresponse = mapper.readValue(reader, ErrorResponse.class);
 560                 LOGwriteEndingTrace(responseCode, "FAILURE", mapper.writeValueAsString(errorresponse));
 561                 throw new AAIServiceException(responseCode, errorresponse);
 562             }
 563
 564         } catch(AAIServiceException aaiexc) {
 565             throw aaiexc;
 566         } catch (Exception exc) {
 567             LOG.warn("GET", exc);
 568             throw new AAIServiceException(exc);
 569         } finally {
 570             if(inputStream != null){
 571                 try {
 572                     inputStream.close();
 573                 } catch(Exception exc) {
 574
 575                 }
 576             }
 577             con = null;
 578         }
 579         return response;
 580     }
 581
 582     @Override
 583     public Boolean patch(AAIRequest request, String resourceVersion) throws AAIServiceException {
 584         InputStream inputStream = null;
 585
 586         try {
 587             AAIDatum instance = request.getRequestObject();
 588             if(instance instanceof ResourceVersion) {
 589                 resourceVersion = ((ResourceVersion)instance).getResourceVersion();
 590             }
 591
 592             URL requestUrl = null;
 593             HttpURLConnection con = getConfiguredConnection(requestUrl = request.getRequestUrl("PATCH", resourceVersion), "PATCH");
 594             ObjectMapper mapper = AAIService.getObjectMapper();
 595             String json_text = request.toJSONString();
 596
 597             LOGwriteDateTrace("data", json_text);
 598             logMetricRequest("PATCH "+requestUrl.getPath(), json_text, requestUrl.getPath());
 599
 600             OutputStreamWriter osw = new OutputStreamWriter(con.getOutputStream());
 601             osw.write(json_text);
 602             osw.flush();
 603
 604             // Check for errors
 605             String responseMessage = con.getResponseMessage();
 606             int responseCode = con.getResponseCode();
 607             if (responseCode == HttpURLConnection.HTTP_OK || responseCode == HttpURLConnection.HTTP_CREATED || responseCode == HttpURLConnection.HTTP_ACCEPTED || responseCode == HttpURLConnection.HTTP_NO_CONTENT) {
 608                 inputStream = con.getInputStream();
 609             } else {
 610                 inputStream = con.getErrorStream();
 611             }
 612
 613             LOG.info("HttpURLConnection result: " + responseCode + " : " + responseMessage);
 614             logMetricResponse(responseCode, responseMessage);
 615
 616             // Process the response
 617             BufferedReader reader;
 618             String line = null;
 619             reader = new BufferedReader( new InputStreamReader( inputStream ) );
 620             mapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
 621
 622             if (responseCode == HttpURLConnection.HTTP_OK || responseCode == HttpURLConnection.HTTP_CREATED || responseCode == HttpURLConnection.HTTP_ACCEPTED || responseCode == HttpURLConnection.HTTP_NO_CONTENT) {
 623                 StringBuilder stringBuilder = new StringBuilder();
 624
 625                 while( ( line = reader.readLine() ) != null ) {
 626                     stringBuilder.append( line );
 627                 }
 628                 LOGwriteEndingTrace(responseCode, responseMessage, (stringBuilder != null) ? stringBuilder.toString() : "{no-data}");
 629                 return true;
 630             } else {
 631                 StringBuilder stringBuilder = new StringBuilder();
 632
 633                 while( ( line = reader.readLine() ) != null ) {
 634                     stringBuilder.append("\n").append( line );
 635                 }
 636                 LOG.info(stringBuilder.toString());
 637
 638
 639                 ErrorResponse errorresponse = mapper.readValue(reader, ErrorResponse.class);
 640                 LOGwriteEndingTrace(responseCode, responseMessage, mapper.writeValueAsString(errorresponse));
 641
 642                 throw new AAIServiceException(responseCode, errorresponse);
 643             }
 644         } catch(AAIServiceException aaiexc) {
 645             throw aaiexc;
 646         } catch (Exception exc) {
 647             LOG.warn("AAIRequestExecutor.patch", exc);
 648             throw new AAIServiceException(exc);
 649         } finally {
 650             try {
 651                 if(inputStream != null)
 652                 inputStream.close();
 653             } catch (Exception exc) {
 654
 655             }
 656         }
 657     }
 658
 659     /**
 660      *
 661      * @param httpReqUrl
 662      * @param method
 663      * @return
 664      * @throws Exception
 665      */
 666     protected HttpURLConnection getConfiguredConnection(URL httpReqUrl, String method) throws Exception {
 667         HttpURLConnection con = (HttpURLConnection) httpReqUrl.openConnection();
 668
 669         // Set up the connection properties
 670         con.setRequestProperty("Connection", "close");
 671         con.setDoInput(true);
 672         con.setDoOutput(true);
 673         con.setUseCaches(false);
 674         con.setConnectTimeout(connection_timeout);
 675         con.setReadTimeout(read_timeout);
 676         con.setRequestMethod(method);
 677         con.setRequestProperty("Accept", "application/json");
 678         con.setRequestProperty("Transfer-Encoding","chunked");
 679         con.setRequestProperty("Content-Type",
 680                 "PATCH".equalsIgnoreCase(method) ? "application/merge-patch+json" : "application/json");
 681         con.setRequestProperty("X-FromAppId", applicationId);
 682         con.setRequestProperty("X-TransactionId", TransactionIdTracker.getNextTransactionId());
 683         String mlId = ml.getRequestID();
 684         if (mlId != null && !mlId.isEmpty()) {
 685             LOG.debug(String.format("MetricLogger requestId = %s", mlId));
 686             con.setRequestProperty(MetricLogger.REQUEST_ID, mlId);
 687         } else {
 688             LOG.debug("MetricLogger requestId is null");
 689         }
 690
 691         if (userName != null && !userName.isEmpty() && userPassword != null && !userPassword.isEmpty()) {
 692             String basicAuth = "Basic " + new String(Base64.encodeBase64((userName + ":" + userPassword).getBytes()));
 693             con.setRequestProperty("Authorization", basicAuth);
 694         }
 695
 696         if (con instanceof HttpsURLConnection && CTX != null) {
 697             SSLSocketFactory sockFact = CTX.getSocketFactory();
 698             HttpsURLConnection.class.cast(con).setSSLSocketFactory(sockFact);
 699         }
 700         return con;
 701     }
 702
 703     private URL appendDepth(URL requestUrl, AAIRequest request) throws MalformedURLException {
 704
 705         String depth = request.requestProperties.getProperty("depth", "1");
 706         String path = requestUrl.toString();
 707         if(path.contains("?depth=") || path.contains("&depth=")) {
 708             return requestUrl;
 709         } else {
 710             if(path.contains("?")) {
 711                 path = String.format("%s&depth=%s", path, depth);
 712             } else {
 713                 path = String.format("%s?depth=%s", path, depth);
 714             }
 715             return new URL(path);
 716         }
 717     }
 718
 719     public void logMetricRequest(String targetServiceName, String msg, String path){
 720         String svcInstanceId = "";
 721         String svcName = null;
 722         String partnerName = null;
 723         String targetEntity = "A&AI";
 724         String targetVirtualEntity = null;
 725
 726         targetServiceName = "";
 727
 728         ml.logRequest(svcInstanceId, svcName, partnerName, targetEntity, targetServiceName, targetVirtualEntity, msg);
 729     }
 730
 731     public void logMetricResponse(int responseCode, String responseDescription){
 732         ml.logResponse(responseCode < 400 ? "SUCCESS" : "FAILURE", Integer.toString(responseCode), responseDescription);
 733     }
 734
 735     protected void LOGwriteFirstTrace(String method, String url) {
 736         String time = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'").format(System.currentTimeMillis());
 737         LOG.info("A&AI transaction :");
 738         LOG.info("Request Time : " + time + ", Method : " + method);
 739         LOG.info("Request URL : "+ url);
 740     }
 741
 742     protected void LOGwriteDateTrace(String name, String data) {
 743         LOG.info("Input - " + name  + " : " + data);
 744     }
 745
 746     protected void LOGwriteEndingTrace(int response_code, String comment, String data) {
 747         LOG.info("Response code : " + response_code +", " + comment);
 748         LOG.info(String.format("Response data : %s", data));
 749     }
 750
 751 }