Import app through JS

[saranrajk]

var https = require('https');

var fs = require('fs');

async function getfile(file) {

return await fs.readFileSync(file);

}

// console.log( Promise.resolve(getfile("./2018 R&D Pipeline.qvf")))

// console.log(fs.readFileSync('2018 R&D Pipeline.qvf'))

var options = {

hostname: '{host-name}',

port: 4242,

path: '/qrs/app/upload?xrfkey=12345678qwertyui&name=my_app_from_local',

method: 'POST',

headers: {

'x-qlik-xrfkey' : '12345678qwertyui',

'X-Qlik-User' : 'UserDirectory={user-directory} UserId= {user-id} ',

"Content-Type" : "application/vnd.qlik.sense.app",

// "Connection" : "Keep-Alive"

},

body:

fs.readFileSync('2018 R&D Pipeline.qvf'),

// options: { filename: '2018 R&D Pipeline.qvf'} } ,

key: fs.readFileSync("C:/ProgramData/Qlik/Sense/Repository/Exported Certificates/DESKTOP-J7IPQ7H/client_key.pem"),

cert: fs.readFileSync("C:/ProgramData/Qlik/Sense/Repository/Exported Certificates/DESKTOP-J7IPQ7H/client.pem"),

ca: fs.readFileSync("C:/ProgramData/Qlik/Sense/Repository/Exported Certificates/DESKTOP-J7IPQ7H/root.pem")

};

https.get(options, function(res) {

console.log("Got response: " + res.statusCode);

res.on("data", function(chunk) {

// console.log({'hello' : "" + JSON.stringify(chunk)});

obj_from_qlik=chunk.toString('utf8')

console.log(obj_from_qlik)

// to_json = JSON.parse(obj_from_qlik)

// to_json.map(async(data)=>{

// console.log(data)

// })

});

}).on('error', function(e) {

console.log("Got error: " + e.message);

});

when I', trying to import app using this code it show me an error as invalid APP, 

can anyone help me to get rid of this, thank you