Function WizURLDownloadToFile

src/share/WizMisc.cpp:3022–3080

bool WizURLDownloadToFile(const QString& url, const QString& fileName, bool isImage)
{
    QString newUrl = url;
    QNetworkAccessManager netCtrl;
    QNetworkReply* reply;
    
    // Get data from URL
    bool redirect = false;
    QByteArray byData;
    do
    {
        QNetworkRequest request(newUrl);
        request.setAttribute(
            QNetworkRequest::RedirectPolicyAttribute, 
            QNetworkRequest::NoLessSafeRedirectPolicy);
        //
        reply = netCtrl.get(request);
        WizAutoTimeOutEventLoop loop(reply);
        loop.setTimeoutWaitSeconds(NETWORK_TIMEOUT_SECS);
        loop.exec();

        if (loop.error() != QNetworkReply::NoError)
        {
            return false;
        }
        //
        if (reply->attribute(QNetworkRequest::HttpStatusCodeAttribute) == 301) {
            redirect = true;
            QUrl redirectUrl = reply->attribute(QNetworkRequest::RedirectionTargetAttribute).toUrl();
            newUrl = redirectUrl.toString();
        } else {
            redirect = false;
            byData = loop.result();
        }
        //
    }
    while (redirect);

    WizDeleteFile(fileName);

    /*
    // It's not necessary to treat image specially?
    if (isImage)
    {
        QPixmap pix;
        pix.loadFromData(byData);
        return pix.save(fileName);
    }
    */

    // Save data to file
    QFile file(fileName);
    if (!file.open(QIODevice::WriteOnly | QIODevice::Truncate))
        return false;
    file.write(byData);
    file.close();

    return true;