ecomp-portal-BE-common/src/main/java/org/onap/portalapp/portal/service/ApplicationsRestClientServiceImpl.java

   1 /*-
   2  * ============LICENSE_START==========================================
   3  * ONAP Portal
   4  * ===================================================================
   5  * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
   6  * ===================================================================
   7  *  Modifications Copyright (c) 2019 Samsung
   8  * ===================================================================
   9  *
  10  * Unless otherwise specified, all software contained herein is licensed
  11  * under the Apache License, Version 2.0 (the "License");
  12  * you may not use this software except in compliance with the License.
  13  * You may obtain a copy of the License at
  14  *
  15  *             http://www.apache.org/licenses/LICENSE-2.0
  16  *
  17  * Unless required by applicable law or agreed to in writing, software
  18  * distributed under the License is distributed on an "AS IS" BASIS,
  19  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  20  * See the License for the specific language governing permissions and
  21  * limitations under the License.
  22  *
  23  * Unless otherwise specified, all documentation contained herein is licensed
  24  * under the Creative Commons License, Attribution 4.0 Intl. (the "License");
  25  * you may not use this documentation except in compliance with the License.
  26  * You may obtain a copy of the License at
  27  *
  28  *             https://creativecommons.org/licenses/by/4.0/
  29  *
  30  * Unless required by applicable law or agreed to in writing, documentation
  31  * distributed under the License is distributed on an "AS IS" BASIS,
  32  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  33  * See the License for the specific language governing permissions and
  34  * limitations under the License.
  35  *
  36  * ============LICENSE_END============================================
  37  *
  38  *
  39  */
  40 package org.onap.portalapp.portal.service;
  41
  42 import static com.att.eelf.configuration.Configuration.MDC_KEY_REQUEST_ID;
  43
  44 import java.lang.reflect.Type;
  45 import java.net.MalformedURLException;
  46 import java.net.URL;
  47 import java.util.Base64;
  48 import java.util.Date;
  49
  50 import javax.annotation.PostConstruct;
  51 import javax.servlet.http.HttpServletResponse;
  52 import javax.ws.rs.core.MediaType;
  53 import javax.ws.rs.core.Response;
  54
  55 import org.apache.commons.lang.StringUtils;
  56 import org.apache.cxf.jaxrs.client.WebClient;
  57 import org.apache.cxf.jaxrs.impl.ResponseImpl;
  58 import org.apache.cxf.transport.http.HTTPException;
  59 import org.onap.portalapp.portal.domain.EPApp;
  60 import org.onap.portalapp.portal.logging.aop.EPAuditLog;
  61 import org.onap.portalapp.portal.logging.aop.EPMetricsLog;
  62 import org.onap.portalapp.portal.logging.format.EPAppMessagesEnum;
  63 import org.onap.portalapp.portal.logging.logic.EPLogUtil;
  64 import org.onap.portalapp.portal.utils.EPCommonSystemProperties;
  65 import org.onap.portalapp.portal.utils.EcompPortalUtils;
  66 import org.onap.portalapp.util.SystemType;
  67 import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
  68 import org.onap.portalsdk.core.onboarding.exception.CipherUtilException;
  69 import org.onap.portalsdk.core.onboarding.util.CipherUtil;
  70 import org.onap.portalsdk.core.util.SystemProperties;
  71 import org.slf4j.MDC;
  72 import org.springframework.beans.factory.annotation.Autowired;
  73 import org.springframework.context.annotation.EnableAspectJAutoProxy;
  74 import org.springframework.stereotype.Service;
  75
  76 import com.fasterxml.jackson.databind.ObjectMapper;
  77 import com.google.gson.Gson;
  78 import com.google.gson.GsonBuilder;
  79 import com.google.gson.JsonDeserializationContext;
  80 import com.google.gson.JsonDeserializer;
  81 import com.google.gson.JsonElement;
  82 import com.google.gson.JsonParseException;
  83
  84 @Service("applicationsRestClientService")
  85 @org.springframework.context.annotation.Configuration
  86 @EnableAspectJAutoProxy
  87 @EPAuditLog
  88 public class ApplicationsRestClientServiceImpl implements ApplicationsRestClientService {
  89
  90         private static final String PASSWORD_HEADER = "password";
  91
  92         private static final String APP_USERNAME_HEADER = "username";
  93
  94         private static final String BASIC_AUTHENTICATION_HEADER = "Authorization";
  95
  96         private static EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(ApplicationsRestClientServiceImpl.class);
  97
  98         @Autowired
  99         private AppsCacheService appsCacheService;
 100
 101         Gson gson = null;
 102
 103         private final ObjectMapper mapper = new ObjectMapper();
 104
 105         @PostConstruct
 106         private void init() {
 107                 logger.debug(EELFLoggerDelegate.debugLogger, "initializing");
 108                 GsonBuilder builder = new GsonBuilder();
 109
 110                 // Register an adapter to manage the date types as long values
 111                 builder.registerTypeAdapter(Date.class, new JsonDeserializer<Date>() {
 112                         public Date deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
 113                                         throws JsonParseException {
 114                                 return new Date(json.getAsJsonPrimitive().getAsLong());
 115                         }
 116                 });
 117
 118                 gson = builder.create();
 119         }
 120
 121         // TODO: do we need to do additional logging for remote API calls?
 122         private static WebClient createClientForPath(String baseUri, String path) {
 123                 logger.info(EELFLoggerDelegate.debugLogger, "Creating web client for " + baseUri + "   +   " + path);
 124                 WebClient client = WebClient.create(baseUri);
 125                 client.type(MediaType.APPLICATION_JSON).accept(MediaType.APPLICATION_JSON);
 126                 client.path(path);
 127                 return client;
 128         }
 129
 130         @EPMetricsLog
 131         private void verifyResponse(Response response,String restPath) throws HTTPException {
 132                 int status = response.getStatus();
 133                 logger.debug(EELFLoggerDelegate.debugLogger, "http response status=" + status);
 134                 MDC.put(EPCommonSystemProperties.EXTERNAL_API_RESPONSE_CODE, Integer.toString(status));
 135                 if (!isHttpSuccess(status)) {
 136                         String errMsg = "Failed. Status=" + status + restPath +"; [" + ((ResponseImpl)response).getStatusInfo().getReasonPhrase().toString()
 137                                         + "]";
 138                         URL url = null;
 139                         try {
 140                                 // must not be null to avoid NPE in HTTPException constructor
 141                                 url = new URL("http://null");
 142                                 if (((ResponseImpl)response).getLocation() != null)
 143                                         url = ((ResponseImpl)response).getLocation().toURL();
 144                         } catch (MalformedURLException e) {
 145                                 // never mind. it is only for the debug message.
 146                                 logger.warn(EELFLoggerDelegate.errorLogger, "Failed to build URL", e);
 147                         }
 148                         logger.error(EELFLoggerDelegate.errorLogger, "http response failed. " + restPath + errMsg + "; url=" + url);
 149                         EPLogUtil.logEcompError(logger, EPAppMessagesEnum.BeIncorrectHttpStatusError);
 150                         throw new HTTPException(status, errMsg, url);
 151                 }
 152         }
 153
 154         private static boolean isHttpSuccess(int status) {
 155                 return status / 100 == 2;
 156         }
 157
 158
 159         private WebClient createClientForApp(long appId, String restPath) {
 160                 return createClientFor(appId, restPath, SystemType.APPLICATION);
 161         }
 162
 163
 164
 165         //TODO Need to implement the mylogins once the endpoint is confirmed
 166         @EPMetricsLog
 167         private WebClient createClientFor(long appSystemId, String restPath, SystemType type) {
 168                 logger.debug(EELFLoggerDelegate.debugLogger, "creating client for appId=" + appSystemId + "; restPath=" + restPath);
 169                 EPApp externalApp = null;
 170
 171                 if(type == SystemType.APPLICATION){
 172                 externalApp = appsCacheService.getApp(appSystemId);
 173                 }else{
 174                         // TO DO
 175                 }
 176
 177                 if (externalApp != null) {
 178                         String appBaseUri = (type == SystemType.APPLICATION) ? externalApp.getAppRestEndpoint() : "";
 179                         String username = (type == SystemType.APPLICATION) ? externalApp.getUsername(): "";
 180                         String encriptedPwd = (type == SystemType.APPLICATION) ? externalApp.getAppPassword(): "";
 181
 182                         String appName = (type == SystemType.APPLICATION) ? externalApp.getName(): "";
 183                         String decreptedAppPwd = StringUtils.EMPTY;
 184
 185                         // Set local context
 186                         MDC.put(EPCommonSystemProperties.PROTOCOL, EPCommonSystemProperties.HTTP);
 187                         if (appBaseUri != null && appBaseUri.contains("https")) {
 188                                 MDC.put(EPCommonSystemProperties.PROTOCOL, EPCommonSystemProperties.HTTPS);
 189                         }
 190                         MDC.put(EPCommonSystemProperties.FULL_URL, appBaseUri + restPath);
 191                         MDC.put(EPCommonSystemProperties.TARGET_ENTITY, appName);
 192                         MDC.put(EPCommonSystemProperties.TARGET_SERVICE_NAME, restPath);
 193
 194                         if(!encriptedPwd.isEmpty() || encriptedPwd != null || StringUtils.isEmpty(encriptedPwd)){
 195                         try {
 196                                 decreptedAppPwd = CipherUtil.decryptPKC(encriptedPwd,
 197                                                 SystemProperties.getProperty(SystemProperties.Decryption_Key));
 198                         } catch (Exception e) {
 199                                 logger.error(EELFLoggerDelegate.errorLogger, "createClientFor failed to decrypt", e);
 200                         }
 201                         }
 202                         WebClient client = createClientForPath(appBaseUri, restPath);
 203
 204
 205                         if(externalApp.getAppPassword().isEmpty() || externalApp.getAppPassword()==null){
 206                                 logger.debug(EELFLoggerDelegate.debugLogger, "Entering in the externalApp get app password contains null : {}");
 207
 208                                 externalApp = appsCacheService.getApp(1L);
 209                                 logger.debug(EELFLoggerDelegate.debugLogger, "external App Information : {}",externalApp);
 210
 211                                 String mechidUsername=externalApp.getUsername();
 212                                 logger.debug(EELFLoggerDelegate.debugLogger, "external App mechidUsername Information : {}",mechidUsername);
 213
 214                                 String password=externalApp.getAppPassword();
 215                                 String decreptedexternalAppPwd = StringUtils.EMPTY;
 216                                 try {
 217                                         decreptedexternalAppPwd = CipherUtil.decryptPKC(password,
 218                                                         SystemProperties.getProperty(SystemProperties.Decryption_Key));
 219                                 } catch (CipherUtilException e) {
 220                                         logger.error(EELFLoggerDelegate.errorLogger, "failed to decreptedexternalAppPwd when external app pwd is null", e);
 221                                 }
 222
 223                                 username =mechidUsername;
 224                                 decreptedAppPwd = decreptedexternalAppPwd;
 225
 226                         }else{
 227                                 logger.debug(EELFLoggerDelegate.debugLogger, "Entering in the externalApp get app password  is not null : {}" );
 228
 229                         // support basic authentication for some partners
 230                         String encoding = Base64.getEncoder().encodeToString((username + ":" + decreptedAppPwd).getBytes());
 231                         String encodingStr = "Basic " + encoding;
 232                         client.header(BASIC_AUTHENTICATION_HEADER, encodingStr);
 233                         }
 234
 235                         // But still keep code downward compatible for non compliant apps
 236                         client.header(APP_USERNAME_HEADER, username);
 237                         client.header(PASSWORD_HEADER, decreptedAppPwd);
 238
 239                         String encoding = Base64.getEncoder().encodeToString((username + ":" + decreptedAppPwd).getBytes());
 240                         String encodingStr = "Basic " + encoding;
 241                         client.header(BASIC_AUTHENTICATION_HEADER, encodingStr);
 242                         client.header(SystemProperties.ECOMP_REQUEST_ID, MDC.get(MDC_KEY_REQUEST_ID));
 243                         client.header(SystemProperties.USERAGENT_NAME, EPCommonSystemProperties.ECOMP_PORTAL_BE);
 244                         logger.debug(EELFLoggerDelegate.debugLogger,
 245                                         String.format("check the partner application URL App %d found, baseUri=[%s], Headers: [%s=%s]", appSystemId, appBaseUri,
 246                                                         APP_USERNAME_HEADER, username));
 247                         return client;
 248                 }
 249                 return null;
 250         }
 251
 252         @Override
 253         public <T> T get(Class<T> clazz, long appId, String restPath) throws HTTPException {
 254                 T t = null;
 255                 Response response = getResponse(appId, restPath);
 256
 257                 if (response != null) {
 258                         //verifyResponse(response);
 259                         verifyResponse(response,restPath);
 260                         /* It is not recommendable to use the implementation class org.apache.cxf.jaxrs.impl.ResponseImpl in the code,
 261                         but had to force this in-order to prevent conflict with the ResponseImpl class of Jersey Client which
 262                         doesn't work as expected. Created Portal-253 for tracking */
 263                         String str = ((ResponseImpl)response).readEntity(String.class);
 264
 265                         EcompPortalUtils.logAndSerializeObject(logger, restPath, "GET result =", str);
 266                         try {
 267                                 t = gson.fromJson(str, clazz);
 268                         } catch (Exception e) {
 269                                 EPLogUtil.logEcompError(logger, EPAppMessagesEnum.BeInvalidJsonInput, e);
 270                         }
 271                 }
 272
 273                 return t;
 274         }
 275
 276         @Override
 277         public String getIncomingJsonString(long appId, String restPath) throws HTTPException {
 278                 Response response = getResponse(appId, restPath);
 279
 280                 if (response != null) {
 281                         //verifyResponse(response);
 282                         verifyResponse(response,restPath);
 283                         /* It is not recommendable to use the implementation class org.apache.cxf.jaxrs.impl.ResponseImpl in the code,
 284                         but had to force this in-order to prevent conflict with the ResponseImpl class of Jersey Client which
 285                         doesn't work as expected. Created Portal-253 for tracking  */
 286                         String incomingJson = ((ResponseImpl)response).readEntity(String.class);
 287                         return incomingJson;
 288                 }
 289
 290                 return "";
 291         }
 292
 293
 294         /*
 295          * (non-Javadoc)
 296          *
 297          * @see
 298          * org.onap.portalapp.portal.service.ApplicationsRestClientService#get(
 299          * java.lang.Class, long, java.lang.String, boolean)
 300          */
 301         @Override
 302         public <T> T get(Class<T> clazz, long appId, String restPath, boolean useJacksonMapper) throws HTTPException {
 303
 304                 if (!useJacksonMapper)
 305                         return get(clazz, appId, restPath);
 306
 307                 T t = null;
 308                 Response response = getResponse(appId, restPath);
 309
 310                 if (response != null) {
 311                         //verifyResponse(response);
 312                         verifyResponse(response,restPath);
 313                         String str = ((ResponseImpl)response).readEntity(String.class);
 314                         EcompPortalUtils.logAndSerializeObject(logger, restPath, "GET result =", str);
 315
 316                         try {
 317                                 t = mapper.readValue(str, clazz);
 318                         } catch (Exception e) {
 319                                 e.printStackTrace();
 320                                 EPLogUtil.logEcompError(logger, EPAppMessagesEnum.BeInvalidJsonInput, e);
 321                         }
 322                 }
 323
 324                 return t;
 325         }
 326
 327         protected Response getResponse(long appId, String restPath) {
 328                 WebClient webClient = null;
 329                 Response response = null;
 330
 331                 webClient = createClientForApp(appId, restPath);
 332                 EcompPortalUtils.logAndSerializeObject(logger, restPath, "GET request =", "no-payload");
 333
 334                 try {
 335                         if (webClient != null) {
 336                                 response = webClient.get();
 337                         } else {
 338                                 logger.error(EELFLoggerDelegate.errorLogger,
 339                                                 "Unable to create the Webclient to make the '" + restPath + "' API call.");
 340                         }
 341                 } catch (Exception e) {
 342                         MDC.put(EPCommonSystemProperties.EXTERNAL_API_RESPONSE_CODE,
 343                                         Integer.toString(HttpServletResponse.SC_INTERNAL_SERVER_ERROR));
 344                         EPLogUtil.logEcompError(logger, EPAppMessagesEnum.BeRestApiGeneralError, e);
 345                         logger.error(EELFLoggerDelegate.errorLogger, "Exception occurred while making the GET REST API call", e);
 346                 }
 347                 return response;
 348         }
 349
 350
 351         @SuppressWarnings({ "unchecked", "null" })
 352         @Override
 353         public <T> T post(Class<T> clazz, long appId, Object payload, String restPath, SystemType type) throws HTTPException {
 354                 WebClient client = null;
 355                 Response response = null;
 356                 T t = null;
 357
 358                 client = createClientFor(appId, restPath, type);
 359                 EcompPortalUtils.logAndSerializeObject(logger, restPath, "POST request =", payload);
 360
 361                 try {
 362                         if (client != null) {
 363                                 response = client.post(payload);
 364                         } else {
 365                                 logger.error(EELFLoggerDelegate.errorLogger,
 366                                                 "Unable to create the Webclient to make the '" + restPath + "' API call.");
 367                         }
 368                 } catch (Exception e) {
 369                         MDC.put(EPCommonSystemProperties.EXTERNAL_API_RESPONSE_CODE,
 370                                         Integer.toString(HttpServletResponse.SC_INTERNAL_SERVER_ERROR));
 371                         EPLogUtil.logEcompError(logger, EPAppMessagesEnum.BeRestApiGeneralError, e);
 372                         logger.error(EELFLoggerDelegate.errorLogger, "Exception occurred while making the POST REST API call", e);
 373                 }
 374
 375                 if (response != null) {
 376                         //verifyResponse(response);
 377                         verifyResponse(response,restPath);
 378                         // String contentType = response.getHeaderString("Content-Type");
 379                         if (clazz != null) {
 380                                 String str = ((ResponseImpl)response).readEntity(String.class);
 381                                 EcompPortalUtils.logAndSerializeObject(logger, restPath, "POST result =", str);
 382                                 try {
 383                                         t = (T) gson.fromJson(str, clazz);
 384
 385                                         //t = gson.fromJson(str, clazz);
 386                                 } catch (Exception e) {
 387                                         EPLogUtil.logEcompError(logger, EPAppMessagesEnum.BeInvalidJsonInput, e);
 388                                 }
 389                         }
 390                 }
 391                 return t;
 392         }
 393
 394         @Override
 395         public <T> T post(Class<T> clazz, long appId, Object payload, String restPath) throws HTTPException {
 396                 return post( clazz, appId, payload, restPath, SystemType.APPLICATION);
 397         }
 398
 399
 400         @Override
 401         public <T> T put(Class<T> clazz, long appId, Object payload, String restPath) throws HTTPException {
 402                 WebClient client = null;
 403                 Response response = null;
 404                 T t = null;
 405
 406                 logger.debug(EELFLoggerDelegate.debugLogger, "Entering to createClientForApp method for payload: {} and restPath: {} and appId: {}", payload.toString(), restPath, appId);
 407
 408                 client = createClientForApp(appId, restPath);
 409                 EcompPortalUtils.logAndSerializeObject(logger, restPath, "PUT request =", payload);
 410
 411                 logger.debug(EELFLoggerDelegate.debugLogger, "Finished createClientForApp method for payload: {} and restPath: {} and appId: {}", payload.toString(), restPath, appId);
 412
 413                 try {
 414                         if (client != null) {
 415                                 logger.debug(EELFLoggerDelegate.debugLogger, "Entering to PUT for payload: {} and restPath: {} and appId: {}", payload.toString(), restPath, appId);
 416
 417                                 response = client.put(payload);
 418
 419                                 logger.debug(EELFLoggerDelegate.debugLogger, "Finished to PUT for payload: {} and restPath: {} and appId: {}", payload.toString(), restPath, appId);
 420
 421                         } else {
 422                                 logger.error(EELFLoggerDelegate.errorLogger,
 423                                                 "Unable to create the Webclient to make the '" + restPath + "' API call.");
 424                         }
 425                 } catch (Exception e) {
 426                         MDC.put(EPCommonSystemProperties.EXTERNAL_API_RESPONSE_CODE,
 427                                         Integer.toString(HttpServletResponse.SC_INTERNAL_SERVER_ERROR));
 428                         EPLogUtil.logEcompError(logger, EPAppMessagesEnum.BeRestApiGeneralError, e);
 429                         logger.error(EELFLoggerDelegate.errorLogger, "Exception occurred while making the PUT REST API call", e);
 430                 }
 431
 432                 if (response != null) {
 433                         //verifyResponse(response);
 434                         verifyResponse(response,restPath);
 435                         String str = ((ResponseImpl)response).readEntity(String.class);
 436                         EcompPortalUtils.logAndSerializeObject(logger, restPath, "PUT result =", str);
 437                         try {
 438                                 t = gson.fromJson(str, clazz);
 439                         } catch (Exception e) {
 440                                 EPLogUtil.logEcompError(logger, EPAppMessagesEnum.BeInvalidJsonInput, e);
 441                         }
 442                 }
 443                 return t;
 444         }
 445 }