ecomp-portal-BE-common/src/main/java/org/openecomp/portalapp/portal/controller/MicroserviceProxyController.java

   1 /*-\r
   2  * ================================================================================\r
   3  * ECOMP Portal\r
   4  * ================================================================================\r
   5  * Copyright (C) 2017 AT&T Intellectual Property\r
   6  * ================================================================================\r
   7  * Licensed under the Apache License, Version 2.0 (the "License");\r
   8  * you may not use this file except in compliance with the License.\r
   9  * You may obtain a copy of the License at\r
  10  * \r
  11  *      http://www.apache.org/licenses/LICENSE-2.0\r
  12  * \r
  13  * Unless required by applicable law or agreed to in writing, software\r
  14  * distributed under the License is distributed on an "AS IS" BASIS,\r
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  16  * See the License for the specific language governing permissions and\r
  17  * limitations under the License.\r
  18  * ================================================================================\r
  19  */\r
  20 package org.openecomp.portalapp.portal.controller;\r
  21 \r
  22 import java.util.List;\r
  23 \r
  24 import javax.servlet.http.HttpServletRequest;\r
  25 import javax.servlet.http.HttpServletResponse;\r
  26 \r
  27 import org.openecomp.portalapp.controller.EPUnRestrictedBaseController;\r
  28 import org.openecomp.portalapp.portal.domain.EPUser;\r
  29 import org.openecomp.portalapp.portal.domain.WidgetParameterResult;\r
  30 import org.openecomp.portalapp.portal.ecomp.model.PortalRestResponse;\r
  31 import org.openecomp.portalapp.portal.ecomp.model.PortalRestStatusEnum;\r
  32 import org.openecomp.portalapp.portal.logging.aop.EPAuditLog;\r
  33 import org.openecomp.portalapp.portal.service.MicroserviceProxyService;\r
  34 import org.openecomp.portalapp.util.EPUserUtils;\r
  35 import org.openecomp.portalsdk.core.logging.logic.EELFLoggerDelegate;\r
  36 import org.springframework.beans.factory.annotation.Autowired;\r
  37 import org.springframework.context.annotation.EnableAspectJAutoProxy;\r
  38 import org.springframework.web.bind.annotation.PathVariable;\r
  39 import org.springframework.web.bind.annotation.RequestMapping;\r
  40 import org.springframework.web.bind.annotation.RequestMethod;\r
  41 import org.springframework.web.bind.annotation.RestController;\r
  42 import org.springframework.web.client.HttpClientErrorException;\r
  43 \r
  44 import com.fasterxml.jackson.core.JsonProcessingException;\r
  45 import com.fasterxml.jackson.databind.ObjectMapper;\r
  46 \r
  47 @SuppressWarnings("unchecked")\r
  48 @RestController\r
  49 @org.springframework.context.annotation.Configuration\r
  50 @EnableAspectJAutoProxy\r
  51 @EPAuditLog\r
  52 public class MicroserviceProxyController extends EPUnRestrictedBaseController {\r
  53 \r
  54         @Autowired\r
  55         private MicroserviceProxyService microserviceProxyService;\r
  56 \r
  57         EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(MicroserviceProxyController.class);\r
  58 \r
  59         @RequestMapping(value = { "/portalApi/microservice/proxy/{serviceId}" }, method = {\r
  60                         RequestMethod.GET }, produces = "application/json")\r
  61         public String getMicroserviceProxy(HttpServletRequest request, HttpServletResponse response,\r
  62                         @PathVariable("serviceId") long serviceId) throws Exception {\r
  63                 EPUser user = EPUserUtils.getUserSession(request);\r
  64                 String answer = "";\r
  65                 try{\r
  66                         answer = microserviceProxyService.proxyToDestination(serviceId, user, request);\r
  67                 }catch(HttpClientErrorException e){\r
  68                         //Check whether the error message is valid JSON format\r
  69                         boolean valid = true;\r
  70                         ObjectMapper objectMapper = new ObjectMapper();\r
  71                     try{ \r
  72                         objectMapper.readTree(e.getResponseBodyAsString());\r
  73                     } catch(JsonProcessingException exception){\r
  74                         valid = false;\r
  75                     }\r
  76                     if(valid)\r
  77                         return e.getResponseBodyAsString();\r
  78                     else\r
  79                         return "{\"error\":\""+ e.getResponseBodyAsString() +"\"}";\r
  80                 }\r
  81                 return answer;          \r
  82         }\r
  83         \r
  84         @RequestMapping(value = { "/portalApi/microservice/proxy/parameter/{widgetId}" }, method = {\r
  85                         RequestMethod.GET }, produces = "application/json")\r
  86         public String getMicroserviceProxyByWidgetId(HttpServletRequest request, HttpServletResponse response,\r
  87                         @PathVariable("widgetId") long widgetId) throws Exception {\r
  88                 EPUser user = EPUserUtils.getUserSession(request);\r
  89                 String answer = "";\r
  90                 try{\r
  91                         answer = microserviceProxyService.proxyToDestinationByWidgetId(widgetId, user, request);\r
  92                 }catch(HttpClientErrorException e){\r
  93                         //Check whether the error message is valid JSON format\r
  94                         boolean valid = true;\r
  95                         ObjectMapper objectMapper = new ObjectMapper();\r
  96                     try{ \r
  97                         objectMapper.readTree(e.getResponseBodyAsString());\r
  98                     } catch(JsonProcessingException exception){\r
  99                         valid = false;\r
 100                     }\r
 101                     if(valid)\r
 102                         return e.getResponseBodyAsString();\r
 103                     else\r
 104                         return "{\"error\":\""+ e.getResponseBodyAsString() +"\"}";\r
 105                 }\r
 106                 return answer;          \r
 107         }\r
 108 }\r