Create proxy.js

Author: saikrishna321

src/proxy.js

@@ -0,0 +1,30 @@
+const Proxy = require('http-mitm-proxy').Proxy;
+// or using import/module (package.json -> "type": "module")
+// import { Proxy } from "http-mitm-proxy";
+const proxy = new Proxy();
+
+proxy.onError(function(ctx, err) {
+  console.error('proxy error:', err);
+});
+
+proxy.onRequest(function(ctx, callback) {
+  if (ctx.clientToProxyRequest.headers.host == 'reqres.in') {
+  console.log('proxying request for:', ctx.clientToProxyRequest.headers.host);
+  const chunks = [];
+    ctx.use(Proxy.gunzip);
+
+    ctx.onResponseData(function(ctx, chunk, callback) {
+      chunks.push(chunk);
+      chunk = Buffer.from(JSON.stringify({"page":1,"per_page":6,"total":12,"total_pages":2,"data":[{"id":1,"email":"saikrishna.bluth@reqres.in","first_name":"George","last_name":"Bluth","avatar":"https://reqres.in/img/faces/1-image.jpg"},{"id":2,"email":"janet.weaver@reqres.in","first_name":"Janet","last_name":"Weaver","avatar":"https://reqres.in/img/faces/2-image.jpg"},{"id":3,"email":"emma.wong@reqres.in","first_name":"Emma","last_name":"Wong","avatar":"https://reqres.in/img/faces/3-image.jpg"},{"id":4,"email":"eve.holt@reqres.in","first_name":"Eve","last_name":"Holt","avatar":"https://reqres.in/img/faces/4-image.jpg"},{"id":5,"email":"charles.morris@reqres.in","first_name":"Charles","last_name":"Morris","avatar":"https://reqres.in/img/faces/5-image.jpg"},{"id":6,"email":"tracey.ramos@reqres.in","first_name":"Tracey","last_name":"Ramos","avatar":"https://reqres.in/img/faces/6-image.jpg"}],"support":{"url":"https://reqres.in/#support-heading","text":"To keep ReqRes free, contributions towards server costs are appreciated!"}}));
+      return callback(null, chunk);
+    });
+    ctx.onResponseEnd(function(ctx, callback) {
+     const response = Buffer.concat(chunks).toString('utf8');
+     callback(null, null)
+    })
+  }
+  return callback();
+});
+
+console.log('begin listening on 8082')
+proxy.listen({port: 8084, host: "::"});