vid-app-common/src/main/java/org/onap/vid/scheduler/SchedulerRestInterface.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * VID
   4  * ================================================================================
   5  * Copyright (C) 2017 - 2019 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.vid.scheduler;
  22
  23 import com.att.eelf.configuration.EELFLogger;
  24 import com.fasterxml.jackson.core.type.TypeReference;
  25 import com.google.common.collect.ImmutableMap;
  26 import com.google.common.collect.Maps;
  27 import io.joshworks.restclient.http.HttpResponse;
  28 import org.apache.http.HttpException;
  29 import org.eclipse.jetty.util.security.Password;
  30 import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
  31 import org.onap.portalsdk.core.util.SystemProperties;
  32 import org.onap.vid.aai.ExceptionWithRequestInfo;
  33 import org.onap.vid.client.SyncRestClient;
  34 import org.onap.vid.client.SyncRestClientInterface;
  35 import org.onap.vid.exceptions.GenericUncheckedException;
  36 import org.onap.vid.mso.RestObject;
  37 import org.onap.vid.mso.RestObjectWithRequestInfo;
  38 import org.onap.vid.utils.Logging;
  39 import org.springframework.http.HttpMethod;
  40 import org.springframework.stereotype.Service;
  41
  42 import java.util.Base64;
  43 import java.util.Collections;
  44 import java.util.Map;
  45 import java.util.function.Function;
  46
  47 import static org.onap.vid.utils.KotlinUtilsKt.JACKSON_OBJECT_MAPPER;
  48 import static org.onap.vid.utils.Logging.REQUEST_ID_HEADER_KEY;
  49
  50 @Service
  51 public class SchedulerRestInterface implements SchedulerRestInterfaceIfc {
  52
  53     private static final  EELFLogger outgoingRequestsLogger = Logging.getRequestsLogger("scheduler");
  54     private static EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(SchedulerRestInterface.class);
  55     private static final String SUCCESSFUL_API_MESSAGE=" REST api GET was successful!";
  56     private SyncRestClientInterface syncRestClient;
  57     private Function<String, String> propertyGetter;
  58     private Map<String, String> commonHeaders;
  59
  60     public SchedulerRestInterface() {
  61         this.propertyGetter = SystemProperties::getProperty;
  62     }
  63
  64     public SchedulerRestInterface(Function<String, String> propertyGetter) {
  65         this.propertyGetter = propertyGetter;
  66     }
  67
  68     public void initRestClient() {
  69         logger.info("Starting to initialize rest client ");
  70         String authStringEnc = calcEncodedAuthString();
  71
  72         commonHeaders = Maps.newHashMap();
  73         commonHeaders.put("Authorization", "Basic " + authStringEnc);
  74
  75         syncRestClient = new SyncRestClient();
  76
  77         logger.info("\t<== Client Initialized \n");
  78     }
  79
  80     public <T> RestObjectWithRequestInfo<T> Get(T t, String path, RestObject<T> restObject) {
  81
  82         String url = null;
  83         String rawData = null;
  84         Integer status = null;
  85
  86         try {
  87             String methodName = "Get";
  88             url = String.format("%s%s", propertyGetter.apply(SchedulerProperties.SCHEDULER_SERVER_URL_VAL), path);
  89             initRestClient();
  90             Logging.logRequest(outgoingRequestsLogger, HttpMethod.GET, url);
  91             Map<String, String> requestHeaders = ImmutableMap.<String, String>builder()
  92                     .putAll(commonHeaders)
  93                     .put(REQUEST_ID_HEADER_KEY, Logging.extractOrGenerateRequestId())
  94                     .build();
  95             final HttpResponse<String> response = syncRestClient.get(url, requestHeaders,
  96                     Collections.emptyMap(), String.class);
  97             Logging.logResponse(outgoingRequestsLogger, HttpMethod.GET, url, response);
  98             status = response.getStatus();
  99             restObject.setStatusCode(status);
 100             rawData = response.getBody();
 101             if (status == 200) {
 102                 if (t instanceof String) {
 103                     restObject.set((T)rawData);
 104                 }
 105                 else {
 106                     restObject.set(JACKSON_OBJECT_MAPPER.readValue(rawData, new TypeReference<T>() {}));
 107                 }
 108                 logger.debug(EELFLoggerDelegate.debugLogger, "<== " + methodName + SUCCESSFUL_API_MESSAGE);
 109                 logger.info(EELFLoggerDelegate.errorLogger, "<== " + methodName + SUCCESSFUL_API_MESSAGE);
 110             } else {
 111                 throw new GenericUncheckedException(new HttpException(String.format("%s with status=%d, url=%s", methodName, status, url)));
 112             }
 113             return new RestObjectWithRequestInfo<>(HttpMethod.GET, url, restObject, status, rawData);
 114         }
 115         catch (Exception e) {
 116             throw new ExceptionWithRequestInfo(HttpMethod.GET, url, rawData, status, e);
 117         }
 118     }
 119
 120     public <T> void Delete(T t, String sourceID, String path, RestObject<T> restObject) {
 121         initRestClient();
 122         String url = String.format("%s%s", propertyGetter.apply(SchedulerProperties.SCHEDULER_SERVER_URL_VAL), path);
 123         Logging.logRequest(outgoingRequestsLogger, HttpMethod.DELETE, url);
 124         Map<String, String> requestHeaders = ImmutableMap.<String, String>builder()
 125                 .putAll(commonHeaders)
 126                 .put(REQUEST_ID_HEADER_KEY, Logging.extractOrGenerateRequestId()).build();
 127         final HttpResponse<T> response = (HttpResponse<T>) syncRestClient.delete(url, requestHeaders, t.getClass());
 128
 129         Logging.logResponse(outgoingRequestsLogger, HttpMethod.DELETE, url, response);
 130
 131         int status = response.getStatus();
 132         restObject.setStatusCode(status);
 133
 134         t = response.getBody();
 135         restObject.set(t);
 136     }
 137
 138     public <T> T getInstance(Class<T> clazz) throws IllegalAccessException, InstantiationException {
 139         return clazz.newInstance();
 140     }
 141
 142     private String calcEncodedAuthString() {
 143         String retrievedUsername = propertyGetter.apply(SchedulerProperties.SCHEDULER_USER_NAME_VAL);
 144         final String username = retrievedUsername.isEmpty() ? "" : retrievedUsername;
 145
 146         String retrievedPassword = propertyGetter.apply(SchedulerProperties.SCHEDULER_PASSWORD_VAL);
 147         final String password = retrievedPassword.isEmpty() ? "" : getDeobfuscatedPassword(retrievedPassword);
 148
 149         return Base64.getEncoder().encodeToString((username + ":" + password).getBytes());
 150     }
 151
 152     private static String getDeobfuscatedPassword(String password) {
 153         return password.contains("OBF:") ? Password.deobfuscate(password) : password;
 154     }
 155 }