return new Promise(function(resolve, reject) {
    var req = require('request');
    var extract = require('extract-zip');

    var postData = {
        username: "abc",
        password: "zyz"
    }

    var options = {
        method: 'post',
        body: postData,
        json: true,
        url: "http://localhost:8080/zipdownload"
    }
    req(options, function (err, res, body) {
       if (err) {
           console.log('Error posting json '+err)
           return;
        }
     }).pipe(fs.createWriteStream(USER_DIR+'/MY.zip'))
         .on('finish',function() {
           console.log('Finished downloading ZIP file');
           extract(USER_DIR+'/MY.zip',
             {dir: USER_DIR+'/MyExtractedFolder'},
                 function (err) {
                  if(err) {
                    console.log('Error extracting  zip '+err);
                  }
                    resolve("Promised resolved donwloading and extracting zip");
                 })

          }).on('error', function(error) {
              reject('Error in downloading content', error);
          });
}

end of central directory record signature not found