[I] request help: 插件获取ext-plugin-post-resp获取请求响应码为0 [apisix-java-plugin-runner]

["cb123456-user (via GitHub)" <gi...@apache.org>]

cb123456-user opened a new issue, #307:
URL: https://github.com/apache/apisix-java-plugin-runner/issues/307

   ### Issue description
   只配置了自定义插件apisix-java-plugin-runner，使用request.getVars("status")获取到的响应码为0，期望获取的是200，应该怎么获取正确的响应码？
   
   ### Environment
   APISIX version：3.2
   apisix-java-plugin-runner version：0.4.0
   
   ###  plugin config
   "plugins": {
   		"ext-plugin-post-resp": {
   			"allow_degradation": true,
   			"conf": [{
   				"name": "ReceiveResponseFilter",
   				"value": "{\"appId\":\"1000\",\"validate_header\":\"cookie\",\"rejected_code\":\"403\"}"
   			}]
   		}
   	}
   
   ### 插件代码
   @Slf4j
   @Component
   public class ReceiveResponseFilter implements PluginFilter {
   
       @Override
       public String name() {
           return "ReceiveResponseFilter";
       }
   
       /**
        * @param request
        * @param response
        * @param chain
        */
       @Override
       public void postFilter(PostRequest request, PostResponse response, PluginFilterChain chain) {
           String configStr = request.getConfig(this);
           Gson gson = new Gson();
           Map<String, Object> conf = new HashMap<>();
           conf = gson.fromJson(configStr, conf.getClass());
   
           try {
               String appId = String.valueOf(conf.get("appId"));
               log.info("ReceiveResponseFilter appId {}", appId);
   
               byte[] bodyBytes = request.getBody().getBytes(StandardCharsets.ISO_8859_1);
               String responseBody = new String(bodyBytes, StandardCharsets.UTF_8);
               log.info("responseBody----- {}", responseBody);
   
               String requestVarsHost = request.getVars("host");
               String uri = request.getVars("uri");
               String request_method = request.getVars("request_method");
               String remote_addr = request.getVars("remote_addr");
               String http_cookie = request.getVars("http_cookie");
               String status = request.getVars("status");
               log.info("requestVars host {}", requestVarsHost);
               log.info("requestVars uri {}", uri);
               log.info("requestVars request_method {}", request_method);
               log.info("requestVars remote_addr {}", remote_addr);
               log.info("requestVars http_cookie {}", http_cookie);
               log.info("requestVars status {}", status);
   
               Integer upstreamStatusCode = request.getUpstreamStatusCode();
               log.info("upstreamStatusCode {}", upstreamStatusCode);
   
           } catch (Exception e) {
               log.info("ReceiveResponseFilter error {}", ExceptionUtil.stacktraceToString(e));
           }
           chain.postFilter(request, response);
       }
   
       @Override
       public List<String> requiredVars() {
           List<String> requiredVars = new ArrayList<>();
           requiredVars.add("host");
           requiredVars.add("uri");
           requiredVars.add("request_method");
           requiredVars.add("remote_addr");
           requiredVars.add("http_cookie");
           requiredVars.add("status");
   
           return requiredVars;
       }
   
       @Override
       public Boolean requiredRespBody() {
           return true;
       }
   }
   
   ### 正常请求结果
   requestVars status 0
   upstreamStatusCode 13
   
   ### 失败请求结果
   requestVars status 0
   upstreamStatusCode 13
   
   ### 预期结果
   正常获取请求返回的成功/失败响应码


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Re: [I] request help: 插件获取ext-plugin-post-resp获取请求响应码为0 [apisix-java-plugin-runner]

["gaoxingliang (via GitHub)" <gi...@apache.org>]

gaoxingliang commented on issue #307:
URL: https://github.com/apache/apisix-java-plugin-runner/issues/307#issuecomment-2677749877

   @cb123456-user 
   I encountered this issue previous. and fix it:
   See the comment here:
   https://github.com/gaoxingliang/apisix-java-plugin-runner/blob/encrypt-response/readme-new.md?plain=1#L9
   
   But the problem here is: I forgot how to fix that. You can try to upgrade the dependency like this:
   ```
               <groupId>io.github.api7</groupId>
               <artifactId>A6</artifactId>
               <version>0.6.1-RELEASE</version>
   ```
   And what I can confirm is: the code in my repo is working as expected. In the post response code, I also checked the upstream status:
   
   https://github.com/gaoxingliang/apisix-java-plugin-runner/blob/encrypt-response/runner-starter/src/main/java/org/apache/apisix/plugin/runner/filter/EncryptResponseFilter.java#L46


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