private static void UnzipFile(FileInfo zipFIle, string outFolder, UnzipProgressCallback progressCallback)
{
var events = new FastZipEvents();
events.Progress += UnzipProgressHandler;
var fastZip = new FastZip(events);
try
{
fastZip.ExtractZip(zipFIle.OpenRead(), outFolder, FastZip.Overwrite.Always, null, null, null, true, true);
}
catch (Exception e)
{
throw new DiskCleanupException(e.Message, e);
}
zipFIle.Delete();
void UnzipProgressHandler(object sender, ProgressEventArgs e)
{
progressCallback?.Invoke(e.Name, e.PercentComplete);
}
}
public void Download(DownloadProgressCallback downloadProgressCallback = default, UnzipProgressCallback unzipProgressCallback = default)
{
if (Interlocked.CompareExchange(ref _syncPoint, 1, 0) != 0)
{
throw new InvalidOperationException("A download or cleanup operation is already in progress.");
}
var webRequest = (HttpWebRequest)WebRequest.Create(DownloadUrl);
try
{
using (var response = (HttpWebResponse)webRequest.GetResponse())
using (var responseStream = response.GetResponseStream() ?? throw new DiskCleanupException($"Error downloading CCleaner from {DownloadUrl}."))
using (var fileStream = _zip.OpenWrite())
{
var downloaded = 0L;
var buffer = new byte[8192];
int read;
while ((read = responseStream.Read(buffer, 0, buffer.Length)) > 0)
{
fileStream.Write(buffer, 0, read);
downloaded += read;
downloadProgressCallback?.Invoke(response.ContentLength, downloaded);
}
}
UnzipFile(_zip, Path.Combine(_zip.Directory.FullName, "CCleanerPortable"), unzipProgressCallback);
}
finally
{
Interlocked.Decrement(ref _syncPoint);
}
}
public IAsyncResult BeginDownload(DownloadProgressCallback downloadProgressCallback, UnzipProgressCallback unzipProgressCallback, AsyncCallback callback, object state)
{
_downloadDelegate = Download;
return(_downloadDelegate.BeginInvoke(downloadProgressCallback, unzipProgressCallback, callback, state));
}
