ecomp-portal-BE-common/src/main/java/org/onap/portalapp/portal/scheduleraux/SchedulerAuxRestInterface.java

   1 /*-
   2  * ============LICENSE_START==========================================
   3  * ONAP Portal
   4  * ===================================================================
   5  * Copyright (C) 2017 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.scheduleraux;
  41
  42 import com.fasterxml.jackson.databind.ObjectMapper;
  43 import com.google.gson.Gson;
  44 import com.google.gson.GsonBuilder;
  45 import com.google.gson.JsonDeserializationContext;
  46 import com.google.gson.JsonDeserializer;
  47 import com.google.gson.JsonElement;
  48 import com.google.gson.JsonParseException;
  49 import org.apache.commons.codec.binary.Base64;
  50 import org.apache.cxf.jaxrs.impl.ResponseImpl;
  51 import org.eclipse.jetty.util.security.Password;
  52 import org.json.simple.JSONObject;
  53 import org.onap.portalapp.portal.logging.format.EPAppMessagesEnum;
  54 import org.onap.portalapp.portal.logging.logic.EPLogUtil;
  55 import org.onap.portalapp.portal.scheduler.SchedulerProperties;
  56 import org.onap.portalapp.portal.scheduler.client.HttpBasicClient;
  57 import org.onap.portalapp.portal.scheduler.policy.rest.RequestDetails;
  58 import org.onap.portalapp.util.DateUtil;
  59 import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
  60 import org.springframework.http.HttpStatus;
  61 import org.springframework.web.client.HttpClientErrorException;
  62
  63 import javax.ws.rs.client.Client;
  64 import javax.ws.rs.client.Entity;
  65 import javax.ws.rs.core.MediaType;
  66 import javax.ws.rs.core.MultivaluedHashMap;
  67 import javax.ws.rs.core.Response;
  68 import java.lang.reflect.Type;
  69 import java.text.SimpleDateFormat;
  70 import java.util.Collections;
  71 import java.util.Date;
  72
  73 public class SchedulerAuxRestInterface extends SchedulerAuxRestInt implements SchedulerAuxRestInterfaceIfc {
  74
  75         /** The logger. */
  76         EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(SchedulerAuxRestInterface.class);
  77
  78         /** The client. */
  79         private static Client client = null;
  80
  81         /** The common headers. */
  82         private MultivaluedHashMap<String, Object> commonHeaders;
  83
  84         public SchedulerAuxRestInterface() {
  85                 super();
  86         }
  87
  88         Gson gson = null;
  89
  90         private final ObjectMapper mapper = new ObjectMapper();
  91
  92         private void init() {
  93                 logger.debug(EELFLoggerDelegate.debugLogger, "initializing");
  94                 GsonBuilder builder = new GsonBuilder();
  95
  96                 // Register an adapter to manage the date types as long values
  97                 builder.registerTypeAdapter(Date.class, new JsonDeserializer<Date>() {
  98                         public Date deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
  99                                         throws JsonParseException {
 100                                 return new Date(json.getAsJsonPrimitive().getAsLong());
 101                         }
 102                 });
 103
 104                 gson = builder.create();
 105         }
 106
 107         public void initRestClient() {
 108                 init();
 109                 final String methodname = "initRestClient()";
 110                 final String mechId = SchedulerProperties.getProperty(SchedulerProperties.SCHEDULERAUX_CLIENT_MECHID_VAL);
 111                 final String clientPassword = SchedulerProperties
 112                                 .getProperty(SchedulerProperties.SCHEDULERAUX_CLIENT_PASSWORD_VAL);
 113                 final String username = SchedulerProperties.getProperty(SchedulerProperties.SCHEDULERAUX_USERNAME_VAL);
 114                 final String password = SchedulerProperties.getProperty(SchedulerProperties.SCHEDULERAUX_PASSWORD_VAL);
 115                 final String environment = SchedulerProperties.getProperty(SchedulerProperties.SCHEDULERAUX_ENVIRONMENT_VAL);
 116                 final String clientAuth = SchedulerProperties.getProperty(SchedulerProperties.SCHEDULERAUX_CLIENTAUTH_VAL);
 117                 final String decrypted_client_password = Password.deobfuscate(clientPassword);
 118                 String mechAuthString = mechId + ":" + decrypted_client_password;
 119                 byte[] mechAuthEncBytes = Base64.encodeBase64(mechAuthString.getBytes());
 120                 final String decrypted_password = Password.deobfuscate(password);
 121                 String authString = username + ":" + decrypted_password;
 122                 byte[] authEncBytes = Base64.encodeBase64(authString.getBytes());
 123                 String authorization = new String(authEncBytes);
 124
 125                 commonHeaders = new MultivaluedHashMap<String, Object>();
 126                 commonHeaders.put("ClientAuth", Collections.singletonList((Object) ("Basic " + clientAuth)));
 127                 commonHeaders.put("Authorization", Collections.singletonList((Object) ("Basic " + authorization)));
 128                 commonHeaders.put("Environment", Collections.singletonList((Object) (environment)));
 129
 130                 if (client == null) {
 131
 132                         try {
 133                                 client = HttpBasicClient.getClient();
 134                         } catch (Exception e) {
 135                                 logger.debug(EELFLoggerDelegate.debugLogger, " Unable to get the SSL client", methodname);
 136
 137                         }
 138                 }
 139         }
 140
 141         @SuppressWarnings("unchecked")
 142         public <T> void Get(T t, String sourceId, String path, RestObject<T> restObject) throws Exception {
 143                 String methodName = "Get";
 144
 145                 logger.debug(EELFLoggerDelegate.debugLogger, " start", methodName);
 146                 SimpleDateFormat dateFormat = DateUtil.getDateFormat();
 147
 148                 String url = "";
 149                 restObject.set(t);
 150
 151                 url = SchedulerProperties.getProperty(SchedulerProperties.SCHEDULERAUX_SERVER_URL_VAL) + path;
 152                 logger.debug(EELFLoggerDelegate.debugLogger, " sending request to url: ", dateFormat.format(new Date()),
 153                                 methodName, url);
 154
 155                 initRestClient();
 156
 157                 final Response cres = client.target(url).request().accept("application/json").headers(commonHeaders).get();
 158
 159                 int status = cres.getStatus();
 160                 restObject.setStatusCode(status);
 161
 162                 if (status == 200) {
 163                         t = (T) cres.readEntity(t.getClass());
 164                         restObject.set(t);
 165                         logger.debug(EELFLoggerDelegate.debugLogger, " REST api was successfull!",
 166                                 dateFormat.format(new Date()), methodName);
 167
 168                 } else {
 169                         throw new Exception(methodName + " with status=" + status + ", url= " + url);
 170                 }
 171
 172                 logger.debug(EELFLoggerDelegate.debugLogger, " received status", methodName, status);
 173
 174                 return;
 175         }
 176
 177         @SuppressWarnings("unchecked")
 178         public <T> void Delete(T t, RequestDetails r, String sourceID, String path, RestObject<T> restObject) {
 179
 180                 String methodName = "Delete";
 181                 String url = "";
 182                 Response cres = null;
 183                 SimpleDateFormat dateFormat = DateUtil.getDateFormat();
 184
 185                 logRequest(r);
 186
 187                 try {
 188                         initRestClient();
 189
 190                         url = SchedulerProperties.getProperty(SchedulerProperties.SCHEDULERAUX_SERVER_URL_VAL) + path;
 191                         logger.debug(EELFLoggerDelegate.debugLogger, " methodName sending request to: ",
 192                                 dateFormat.format(new Date()), url, methodName);
 193
 194                         cres = client.target(url).request().accept("application/json").headers(commonHeaders)
 195                                         // .entity(r)
 196                                         .build("DELETE", Entity.entity(r, MediaType.APPLICATION_JSON)).invoke();
 197                         // .method("DELETE", Entity.entity(r, MediaType.APPLICATION_JSON));
 198                         // .delete(Entity.entity(r, MediaType.APPLICATION_JSON));
 199
 200                         int status = cres.getStatus();
 201                         restObject.setStatusCode(status);
 202
 203                         if (status == 404) { // resource not found
 204                                 String msg = "Resource does not exist...: " + cres.getStatus();
 205                                 logger.debug(EELFLoggerDelegate.debugLogger, "msg", dateFormat.format(new Date()), msg);
 206                         } else if (status == 200 || status == 204) {
 207                                 logger.debug(EELFLoggerDelegate.debugLogger, "Resource--deleted:url", dateFormat.format(new Date()),
 208                                                 url);
 209                         } else if (status == 202) {
 210                                 String msg = "Delete in progress: " + status;
 211                                 logger.debug(EELFLoggerDelegate.debugLogger, "msg ", dateFormat.format(new Date()), msg);
 212                         } else {
 213                                 String msg = "Deleting Resource failed: " + status;
 214                                 logger.debug(EELFLoggerDelegate.debugLogger, "msg", dateFormat.format(new Date()), msg);
 215                         }
 216
 217                         try {
 218                                 t = (T) cres.readEntity(t.getClass());
 219                                 restObject.set(t);
 220                         } catch (HttpClientErrorException e) {
 221                                 logger.error(EELFLoggerDelegate.errorLogger,
 222                                                 " HttpClientErrorException:No response entity, this is probably ok, e=", methodName, e);
 223                                 EPLogUtil.schedulerAccessAlarm(logger, e.getStatusCode().value());
 224                         } catch (Exception e) {
 225                                 logger.error(EELFLoggerDelegate.errorLogger, "No response entity, this is probably ok, e=", methodName,
 226                                                 e);
 227                                 EPLogUtil.schedulerAccessAlarm(logger, HttpStatus.INTERNAL_SERVER_ERROR.value());
 228
 229                         }
 230
 231                 } catch (HttpClientErrorException e) {
 232                         logger.error(EELFLoggerDelegate.errorLogger, " HttpClientErrorException:Exception with the URL", methodName,
 233                                         url, e);
 234                         EPLogUtil.schedulerAccessAlarm(logger, e.getStatusCode().value());
 235                 } catch (Exception e) {
 236                         logger.error(EELFLoggerDelegate.errorLogger, "Exception with the URL ",
 237                                 dateFormat.format(new Date()), methodName, url, e);
 238                         EPLogUtil.schedulerAccessAlarm(logger, HttpStatus.INTERNAL_SERVER_ERROR.value());
 239
 240                         throw e;
 241
 242                 }
 243         }
 244
 245         @SuppressWarnings("unchecked")
 246         public <T> void Post(T t, JSONObject requestDetails, String uuid, String path, RestObject<T> restObject)
 247                         throws HttpClientErrorException, Exception {
 248
 249                 String methodName = "Post";
 250                 String url = "";
 251                 Response cres = null;
 252                 logger.debug(EELFLoggerDelegate.debugLogger, "POST policy rest interface");
 253                 // logRequest (requestDetails);
 254                 try {
 255
 256                         initRestClient();
 257
 258                         url = SchedulerProperties.getProperty(SchedulerProperties.SCHEDULERAUX_SERVER_URL_VAL) + path;
 259                         logger.debug(EELFLoggerDelegate.debugLogger, " sending request to url= ", methodName, url);
 260                         // Change the content length
 261
 262                         cres = client.target(url).request().accept("application/json").headers(commonHeaders)
 263                                         // .header("content-length", 201)
 264                                         // .header("X-FromAppId", sourceID)
 265                                         .post(Entity.entity(requestDetails, MediaType.APPLICATION_JSON));
 266
 267                         /* It is not recommendable to use the implementation class org.apache.cxf.jaxrs.impl.ResponseImpl in the code,
 268                         but had to force this in-order to prevent conflict with the ResponseImpl class of Jersey Client which
 269                         doesn't work as expected. Created Portal-253 for tracking */
 270                         String str = ((ResponseImpl)cres).readEntity(String.class);
 271
 272                         try {
 273                                 if(t.getClass().getName().equals(String.class.getName())){
 274                                         t=(T) str;
 275
 276                                 }else{
 277                                         t = (T) gson.fromJson(str, t.getClass());
 278                                 }
 279
 280                         } catch (Exception e) {
 281                                 EPLogUtil.logEcompError(logger, EPAppMessagesEnum.BeInvalidJsonInput, e);
 282                         }
 283
 284                         //t = (T) cres.readEntity(t.getClass());
 285                         if (t.equals("")) {
 286                                 restObject.set(null);
 287                         } else {
 288                                 restObject.set(t);
 289                         }
 290
 291                         int status = cres.getStatus();
 292
 293                         restObject.setStatusCode(status);
 294
 295                         if (status >= 200 && status <= 299) {
 296                                 logger.debug(EELFLoggerDelegate.debugLogger, " REST api POST was successful!", methodName);
 297
 298                         } else {
 299                                 logger.debug(EELFLoggerDelegate.debugLogger, "methodname with Status and URL", methodName, status, url);
 300                         }
 301
 302                 } catch (HttpClientErrorException e) {
 303                         String message = String.format(
 304                                         " HttpClientErrorException:Exception with the URL . MethodName: %s, Url: %s", methodName,url);
 305                         logger.error(EELFLoggerDelegate.errorLogger, message, e);
 306                         EPLogUtil.schedulerAccessAlarm(logger, e.getStatusCode().value());
 307                 } catch (Exception e) {
 308                         String message = String.format(
 309                                         " Exception with the URL . MethodName: %s, Url: %s", methodName,url);
 310                         logger.error(EELFLoggerDelegate.errorLogger, message, e);
 311                         EPLogUtil.schedulerAccessAlarm(logger, HttpStatus.BAD_REQUEST.value());
 312                         throw e;
 313
 314                 }
 315         }
 316
 317         public <T> T getInstance(Class<T> clazz) throws IllegalAccessException, InstantiationException {
 318                 return clazz.newInstance();
 319         }
 320
 321         @Override
 322         public void logRequest(RequestDetails r) {
 323                 // TODO Auto-generated method stub
 324         }
 325 }