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  *
   8  * Unless otherwise specified, all software contained herein is licensed
   9  * under the Apache License, Version 2.0 (the "License");
  10  * you may not use this software except in compliance with the License.
  11  * You may obtain a copy of the License at
  12  *
  13  *             http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  *
  21  * Unless otherwise specified, all documentation contained herein is licensed
  22  * under the Creative Commons License, Attribution 4.0 Intl. (the "License");
  23  * you may not use this documentation except in compliance with the License.
  24  * You may obtain a copy of the License at
  25  *
  26  *             https://creativecommons.org/licenses/by/4.0/
  27  *
  28  * Unless required by applicable law or agreed to in writing, documentation
  29  * distributed under the License is distributed on an "AS IS" BASIS,
  30  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  31  * See the License for the specific language governing permissions and
  32  * limitations under the License.
  33  *
  34  * ============LICENSE_END============================================
  35  *
  36  *
  37  */
  38 package org.onap.portalapp.portal.scheduleraux;
  39
  40 import java.lang.reflect.Type;
  41 import java.text.DateFormat;
  42 import java.text.SimpleDateFormat;
  43 import java.util.Collections;
  44 import java.util.Date;
  45
  46 import javax.annotation.PostConstruct;
  47 import javax.ws.rs.client.Client;
  48 import javax.ws.rs.client.Entity;
  49 import javax.ws.rs.core.MediaType;
  50 import javax.ws.rs.core.MultivaluedHashMap;
  51 import javax.ws.rs.core.Response;
  52
  53 import org.apache.commons.codec.binary.Base64;
  54 import org.apache.cxf.jaxrs.impl.ResponseImpl;
  55 import org.eclipse.jetty.util.security.Password;
  56 import org.json.simple.JSONObject;
  57 import org.onap.portalapp.portal.logging.format.EPAppMessagesEnum;
  58 import org.onap.portalapp.portal.logging.logic.EPLogUtil;
  59 import org.onap.portalapp.portal.scheduler.SchedulerProperties;
  60 import org.onap.portalapp.portal.scheduler.client.HttpBasicClient;
  61 import org.onap.portalapp.portal.scheduler.policy.rest.RequestDetails;
  62 import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
  63 import org.springframework.http.HttpStatus;
  64 import org.springframework.web.client.HttpClientErrorException;
  65
  66 import com.fasterxml.jackson.databind.ObjectMapper;
  67 import com.google.gson.Gson;
  68 import com.google.gson.GsonBuilder;
  69 import com.google.gson.JsonDeserializationContext;
  70 import com.google.gson.JsonDeserializer;
  71 import com.google.gson.JsonElement;
  72 import com.google.gson.JsonParseException;
  73
  74 public class SchedulerAuxRestInterface extends SchedulerAuxRestInt implements SchedulerAuxRestInterfaceIfc {
  75
  76         /** The logger. */
  77         EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(SchedulerAuxRestInterface.class);
  78
  79         /** The Constant dateFormat. */
  80         final static DateFormat dateFormat = new SimpleDateFormat("HH:mm:ss:SSSS");
  81
  82         /** The client. */
  83         private static Client client = null;
  84
  85         /** The common headers. */
  86         private MultivaluedHashMap<String, Object> commonHeaders;
  87
  88         public SchedulerAuxRestInterface() {
  89                 super();
  90         }
  91
  92         Gson gson = null;
  93
  94         private final ObjectMapper mapper = new ObjectMapper();
  95
  96         private void init() {
  97                 logger.debug(EELFLoggerDelegate.debugLogger, "initializing");
  98                 GsonBuilder builder = new GsonBuilder();
  99
 100                 // Register an adapter to manage the date types as long values
 101                 builder.registerTypeAdapter(Date.class, new JsonDeserializer<Date>() {
 102                         public Date deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
 103                                         throws JsonParseException {
 104                                 return new Date(json.getAsJsonPrimitive().getAsLong());
 105                         }
 106                 });
 107
 108                 gson = builder.create();
 109         }
 110
 111         public void initRestClient() {
 112                 init();
 113                 final String methodname = "initRestClient()";
 114                 final String mechId = SchedulerProperties.getProperty(SchedulerProperties.SCHEDULERAUX_CLIENT_MECHID_VAL);
 115                 final String clientPassword = SchedulerProperties
 116                                 .getProperty(SchedulerProperties.SCHEDULERAUX_CLIENT_PASSWORD_VAL);
 117                 final String username = SchedulerProperties.getProperty(SchedulerProperties.SCHEDULERAUX_USERNAME_VAL);
 118                 final String password = SchedulerProperties.getProperty(SchedulerProperties.SCHEDULERAUX_PASSWORD_VAL);
 119                 final String environment = SchedulerProperties.getProperty(SchedulerProperties.SCHEDULERAUX_ENVIRONMENT_VAL);
 120                 final String clientAuth = SchedulerProperties.getProperty(SchedulerProperties.SCHEDULERAUX_CLIENTAUTH_VAL);
 121                 final String decrypted_client_password = Password.deobfuscate(clientPassword);
 122                 String mechAuthString = mechId + ":" + decrypted_client_password;
 123                 byte[] mechAuthEncBytes = Base64.encodeBase64(mechAuthString.getBytes());
 124                 final String decrypted_password = Password.deobfuscate(password);
 125                 String authString = username + ":" + decrypted_password;
 126                 byte[] authEncBytes = Base64.encodeBase64(authString.getBytes());
 127                 String authorization = new String(authEncBytes);
 128
 129                 commonHeaders = new MultivaluedHashMap<String, Object>();
 130                 commonHeaders.put("ClientAuth", Collections.singletonList((Object) ("Basic " + clientAuth)));
 131                 commonHeaders.put("Authorization", Collections.singletonList((Object) ("Basic " + authorization)));
 132                 commonHeaders.put("Environment", Collections.singletonList((Object) (environment)));
 133
 134                 if (client == null) {
 135
 136                         try {
 137                                 client = HttpBasicClient.getClient();
 138                         } catch (Exception e) {
 139                                 logger.debug(EELFLoggerDelegate.debugLogger, " Unable to get the SSL client", methodname);
 140
 141                         }
 142                 }
 143         }
 144
 145         @SuppressWarnings("unchecked")
 146         public <T> void Get(T t, String sourceId, String path, RestObject<T> restObject) throws Exception {
 147                 String methodName = "Get";
 148
 149                 logger.debug(EELFLoggerDelegate.debugLogger, " start", methodName);
 150
 151                 String url = "";
 152                 restObject.set(t);
 153
 154                 url = SchedulerProperties.getProperty(SchedulerProperties.SCHEDULERAUX_SERVER_URL_VAL) + path;
 155                 logger.debug(EELFLoggerDelegate.debugLogger, " sending request to url: ", dateFormat.format(new Date()),
 156                                 methodName, url);
 157
 158                 initRestClient();
 159
 160                 final Response cres = client.target(url).request().accept("application/json").headers(commonHeaders).get();
 161
 162                 int status = cres.getStatus();
 163                 restObject.setStatusCode(status);
 164
 165                 if (status == 200) {
 166                         t = (T) cres.readEntity(t.getClass());
 167                         restObject.set(t);
 168                         logger.debug(EELFLoggerDelegate.debugLogger, " REST api was successfull!", dateFormat.format(new Date()),
 169                                         methodName);
 170
 171                 } else {
 172                         throw new Exception(methodName + " with status=" + status + ", url= " + url);
 173                 }
 174
 175                 logger.debug(EELFLoggerDelegate.debugLogger, " received status", methodName, status);
 176
 177                 return;
 178         }
 179
 180         @SuppressWarnings("unchecked")
 181         public <T> void Delete(T t, RequestDetails r, String sourceID, String path, RestObject<T> restObject) {
 182
 183                 String methodName = "Delete";
 184                 String url = "";
 185                 Response cres = null;
 186
 187                 logRequest(r);
 188
 189                 try {
 190                         initRestClient();
 191
 192                         url = SchedulerProperties.getProperty(SchedulerProperties.SCHEDULERAUX_SERVER_URL_VAL) + path;
 193                         logger.debug(EELFLoggerDelegate.debugLogger, " methodName sending request to: ",
 194                                         dateFormat.format(new Date()), url, methodName);
 195
 196                         cres = client.target(url).request().accept("application/json").headers(commonHeaders)
 197                                         // .entity(r)
 198                                         .build("DELETE", Entity.entity(r, MediaType.APPLICATION_JSON)).invoke();
 199                         // .method("DELETE", Entity.entity(r, MediaType.APPLICATION_JSON));
 200                         // .delete(Entity.entity(r, MediaType.APPLICATION_JSON));
 201
 202                         int status = cres.getStatus();
 203                         restObject.setStatusCode(status);
 204
 205                         if (status == 404) { // resource not found
 206                                 String msg = "Resource does not exist...: " + cres.getStatus();
 207                                 logger.debug(EELFLoggerDelegate.debugLogger, "msg", dateFormat.format(new Date()), msg);
 208                         } else if (status == 200 || status == 204) {
 209                                 logger.debug(EELFLoggerDelegate.debugLogger, "Resource--deleted:url", dateFormat.format(new Date()),
 210                                                 url);
 211                         } else if (status == 202) {
 212                                 String msg = "Delete in progress: " + status;
 213                                 logger.debug(EELFLoggerDelegate.debugLogger, "msg ", dateFormat.format(new Date()), msg);
 214                         } else {
 215                                 String msg = "Deleting Resource failed: " + status;
 216                                 logger.debug(EELFLoggerDelegate.debugLogger, "msg", dateFormat.format(new Date()), msg);
 217                         }
 218
 219                         try {
 220                                 t = (T) cres.readEntity(t.getClass());
 221                                 restObject.set(t);
 222                         } catch (HttpClientErrorException e) {
 223                                 logger.error(EELFLoggerDelegate.errorLogger,
 224                                                 " HttpClientErrorException:No response entity, this is probably ok, e=", methodName, e);
 225                                 EPLogUtil.schedulerAccessAlarm(logger, e.getStatusCode().value());
 226                         } catch (Exception e) {
 227                                 logger.error(EELFLoggerDelegate.errorLogger, "No response entity, this is probably ok, e=", methodName,
 228                                                 e);
 229                                 EPLogUtil.schedulerAccessAlarm(logger, HttpStatus.INTERNAL_SERVER_ERROR.value());
 230
 231                         }
 232
 233                 } catch (HttpClientErrorException e) {
 234                         logger.error(EELFLoggerDelegate.errorLogger, " HttpClientErrorException:Exception with the URL", methodName,
 235                                         url, e);
 236                         EPLogUtil.schedulerAccessAlarm(logger, e.getStatusCode().value());
 237                 } catch (Exception e) {
 238                         logger.error(EELFLoggerDelegate.errorLogger, "Exception with the URL ", dateFormat.format(new Date()),
 239                                         methodName, url, e);
 240                         EPLogUtil.schedulerAccessAlarm(logger, HttpStatus.INTERNAL_SERVER_ERROR.value());
 241
 242                         throw e;
 243
 244                 }
 245         }
 246
 247         @SuppressWarnings("unchecked")
 248         public <T> void Post(T t, JSONObject requestDetails, String uuid, String path, RestObject<T> restObject)
 249                         throws HttpClientErrorException, Exception {
 250
 251                 String methodName = "Post";
 252                 String url = "";
 253                 Response cres = null;
 254                 logger.debug(EELFLoggerDelegate.debugLogger, "POST policy rest interface");
 255                 // logRequest (requestDetails);
 256                 try {
 257
 258                         initRestClient();
 259
 260                         url = SchedulerProperties.getProperty(SchedulerProperties.SCHEDULERAUX_SERVER_URL_VAL) + path;
 261                         logger.debug(EELFLoggerDelegate.debugLogger, " sending request to url= ", methodName, url);
 262                         // Change the content length
 263
 264                         cres = client.target(url).request().accept("application/json").headers(commonHeaders)
 265                                         // .header("content-length", 201)
 266                                         // .header("X-FromAppId", sourceID)
 267                                         .post(Entity.entity(requestDetails, MediaType.APPLICATION_JSON));
 268
 269                         /* It is not recommendable to use the implementation class org.apache.cxf.jaxrs.impl.ResponseImpl in the code,
 270                         but had to force this in-order to prevent conflict with the ResponseImpl class of Jersey Client which
 271                         doesn't work as expected. Created Portal-253 for tracking */
 272                         String str = ((ResponseImpl)cres).readEntity(String.class);
 273
 274                         try {
 275                                 if(t.getClass().getName().equals(String.class.getName())){
 276                                         t=(T) str;
 277
 278                                 }else{
 279                                         t = (T) gson.fromJson(str, t.getClass());
 280                                 }
 281
 282                         } catch (Exception e) {
 283                                 EPLogUtil.logEcompError(logger, EPAppMessagesEnum.BeInvalidJsonInput, e);
 284                         }
 285
 286                         //t = (T) cres.readEntity(t.getClass());
 287                         if (t.equals("")) {
 288                                 restObject.set(null);
 289                         } else {
 290                                 restObject.set(t);
 291                         }
 292
 293                         int status = cres.getStatus();
 294
 295                         restObject.setStatusCode(status);
 296
 297                         if (status >= 200 && status <= 299) {
 298                                 logger.debug(EELFLoggerDelegate.debugLogger, " REST api POST was successful!", methodName);
 299
 300                         } else {
 301                                 logger.debug(EELFLoggerDelegate.debugLogger, "methodname with Status and URL", methodName, status, url);
 302                         }
 303
 304                 } catch (HttpClientErrorException e) {
 305                         String message = String.format(
 306                                         " HttpClientErrorException:Exception with the URL . MethodName: %s, Url: %s", methodName,url);
 307                         logger.error(EELFLoggerDelegate.errorLogger, message, e);
 308                         EPLogUtil.schedulerAccessAlarm(logger, e.getStatusCode().value());
 309                 } catch (Exception e) {
 310                         String message = String.format(
 311                                         " Exception with the URL . MethodName: %s, Url: %s", methodName,url);
 312                         logger.error(EELFLoggerDelegate.errorLogger, message, e);
 313                         EPLogUtil.schedulerAccessAlarm(logger, HttpStatus.BAD_REQUEST.value());
 314                         throw e;
 315
 316                 }
 317         }
 318
 319         public <T> T getInstance(Class<T> clazz) throws IllegalAccessException, InstantiationException {
 320                 return clazz.newInstance();
 321         }
 322
 323         @Override
 324         public void logRequest(RequestDetails r) {
 325                 // TODO Auto-generated method stub
 326         }
 327 }