populated requestData in response rule

Author: wrongsahil

src/components/proxy-middleware/helpers/http_helpers.js

@@ -44,3 +44,12 @@ export const getContentType = (contentTypeHeader) => {
   contentType = contentTypeHeader.split(";")[0];
   return contentType;
 };
+
+export const parseJsonBody = (data) => {
+  try {
+    return JSON.parse(data);
+  } catch (e) {
+    /* Body is still buffer array */
+  }
+  return data;
+}

src/components/proxy-middleware/rule_action_processor/processors/modify_response_processor.js

@@ -7,6 +7,7 @@ import {
 import { get_request_url } from "../../helpers/proxy_ctx_helper";
 import { build_action_processor_response } from "../utils";
 import fs from "fs";
+import { parseJsonBody } from "../../helpers/http_helpers";
 const { types } = require("util");
 
 const process_modify_response_action = async (action, ctx) => {
@@ -83,7 +84,7 @@ const modify_response_using_code = async (action, ctx) => {
       url: get_request_url(ctx),
       responseType: ctx.serverToProxyResponse.headers["content-type"],
       requestHeaders: ctx.clientToProxyRequest.headers,
-      requestData: null,
+      requestData: parseJsonBody(ctx.rq?.final_request?.body) || null,
     };
 
     try {