fix alibaba#549

Author: franck34

lib/requestHandler.js

@@ -422,7 +422,18 @@ function getUserReqHandler(userRule, recorder) {
 
         try {
           resourceInfo.reqBody = reqData.toString(); //TODO: deal reqBody in webInterface.js
-          recorder && recorder.updateRecord(resourceInfoId, resourceInfo);
+
+          if (/gzip/i.test(resourceInfo.req.headers['Content-Encoding'])) {
+            zlib.gunzip(reqData, (error, gunzipped) => {
+              if (error) throw error;
+              resourceInfo.reqBody = gunzipped.toString();
+              recorder && recorder.updateRecord(resourceInfoId, resourceInfo);
+            });
+          } else {
+            resourceInfo.reqBody = reqData.toString(); //TODO: deal reqBody in webInterface.js
+            recorder && recorder.updateRecord(resourceInfoId, resourceInfo);
+          }
+
         } catch (e) { }
       })