GET requests in gjs with libsoup

get.js

const Lang = imports.lang;
const Soup = imports.gi.Soup;

let _session = new Soup.SessionAsync();                                                                                              

function GET(url, callback) { 
    let request = Soup.Message.new('GET', url);

    _session.queue_message(request, Lang.bind(this,
                                             function(session, message) {
                                                callback(message.status_code, request.response_body.data);
                                             }
                         )
        );
} 

// Standalone script only section
const Mainloop = imports.mainloop;
GET("http://krakensden.com/", function(status_code, body) { log('request done, body: ' + body); Mainloop.quit(true); });
Mainloop.run(true);