QMap<QString, QString> http_request::authInstagram( QString login, QString password )
{
    QUrl request_url("https://www.instagram.com/accounts/login/ajax/");
    QString boundary = "1BEF0A57BE110FD467A";
    QByteArray bytes;
    //bytes.append("\r\n");
    bytes.append("username="+login+"&password="+password);


    QByteArray host;
    host.append( request_url.host() );

    QByteArray type;
    type.append( "application/x-www-form-urlencoded; charset=utf-8" );

    QByteArray length;
    length.append( QString::number( bytes.length() ) );

    QMap<QString, QString> instCookie = http_request::cookieFromURL("https://www.instagram.com/");
    QByteArray csrftoken;
    csrftoken.append( instCookie["csrftoken"] );
    qDebug() << "\nX-CSRFToken: " << csrftoken;

    QByteArray mid;
    mid.append("mid="+instCookie["mid"]+"; csrftoken="+instCookie["csrftoken"] );
    qDebug() << "\nCookie: " << mid;


    QNetworkRequest request;
    request.setUrl( request_url );
    request.setRawHeader("Host", "www.instagram.com" );
    request.setRawHeader("Referer", "https://www.instagram.com/" );
    request.setRawHeader("Cookie", mid);
    request.setRawHeader("Content-Type", type );
    request.setRawHeader("User-Agent", "Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.93 Safari/537.36");
    request.setRawHeader("Content-Length", length );

    request.setRawHeader("X-CSRFToken", csrftoken );
    request.setRawHeader("X-Instagram-AJAX", "1");
    request.setRawHeader("X-Requested-With", "XMLHttpRequest");



    QNetworkAccessManager* manager = new QNetworkAccessManager();
    QNetworkReply* reply = manager->post( request, bytes );

    QEventLoop wait;
    QObject::connect(manager, SIGNAL(finished(QNetworkReply*)), &wait, SLOT(quit()));
    QTimer::singleShot(300000, &wait, SLOT(quit()));

    QObject::connect(manager, SIGNAL(finished(QNetworkReply*)), manager, SLOT(deleteLater()));
    wait.exec();
    QByteArray answer = reply->readAll();
    reply->deleteLater();

    QString ans_str( answer );
    qDebug() << ans_str;

    QNetworkCookieJar * cookie = manager->cookieJar();
    QList<QNetworkCookie> listCookie = cookie->cookiesForUrl( request_url );


    QMap<QString, QString> result;

    for( int i = 0; i < listCookie.size(); i++ )
    {
        result[ listCookie.at(i).name() ] = listCookie.at(i).value();
    }

    return result;
}