Jasper web services v2 PDF download

I want to download jasper report (pdf) using jasper web services v2 with Node.js & express.js. pl check my code below.

In this code i have got 200 but i cant download the PDF file.

// get const
 const Express = require('express');
 var  Request =  require('request'),
 QueryString = require('querystring'),
 baseRequest = Request.defaults({
    jar: true
  });

 // define 

  var Loginurl='http://ipaddress/jasperserver/rest/login?    j_username=******&j_password=*****'; 
  var setpath = 'http://ipaddress/jasperserver/rest_v2/resources/reports/interactive/CustomersReport';

 var app = Express();

 // Get PDF
 app.get('/getpdf',(req,res)=>{

 baseRequest.post({url:Loginurl},(error,response,body)=>{
if(response.body ==="Unauthorized")
{
   res.send(JSON.stringify({result:'check username and password',Message:'Unauthorized',status:false}));
}else if(response.body ==="License expired or otherwise not valid"){
  res.send(JSON.stringify({result:'Not Valid',Message:'License expired or otherwise not valid',status:false}));
}else{

         baseRequest.get({url:setpath,"content-type": "application/Report+json",body: '<resourceDescriptor></resourceDescriptor> '},(error,response,body)=>{
          res.send(response);
   }); 

}

});


});

via Jayaram Venkat