public static void BeginUpdate()
{
var directDlUrl = LatestReply.GetDonwnloadLink();
if (directDlUrl != null)
{
RunDirectDownloadUpdate(directDlUrl);
}
else
{
var dlPageUrl = LatestReply.GetDownloadPageLink();
if (dlPageUrl != null)
{
Forms.Tools.PremadeDialogs.StartProcessSafely(dlPageUrl.ToString());
}
}
}
private static void RunDirectDownloadUpdate(Uri directDlUrl)
{
var dir = new DirectoryInfo(ExtractedUpdatePath);
var error = LoadingDialog.ShowDialog(null, Localisation.UpdateSystem_DownloadingTitle, iface =>
{
try
{
using (var wc = new WebClient())
{
iface.SetMaximum(100);
wc.DownloadFileAsync(directDlUrl, DownloadFilename);
wc.DownloadProgressChanged +=
(sender, args) => { iface.SetProgress(args.ProgressPercentage); };
while (wc.IsBusy)
{
Thread.Sleep(100);
}
//iface.SetProgress(-1);
}
var remoteHash = LatestReply.GetHash();
if (remoteHash.IsNotEmpty())
{
using (var hasher = MD5.Create())
using (var fileStream = File.OpenRead(DownloadFilename))
{
var localHash = hasher.ComputeHash(fileStream);
if (!localHash.ToHexString().Equals(remoteHash, StringComparison.OrdinalIgnoreCase))
{
throw new CryptographicException(Localisation.UpdateSystem_FailedHash);
}
}
}
iface.SetTitle(Localisation.UpdateSystem_ExtractingTitle);
using (var zip = new ZipFile(DownloadFilename))
{
zip.ZipErrorAction = ZipErrorAction.Throw;
zip.ExtractProgress += (sender, args) =>
{
iface.SetMaximum(args.EntriesTotal);
iface.SetProgress(args.EntriesExtracted);
};
if (dir.Exists)
{
dir.Delete(true);
}
zip.ExtractAll(dir.FullName);
if (dir.GetFiles().Length != zip.Entries.Count(x => !x.FileName.ContainsAny(new[] { '\\', '/' })))
{
throw new IOException(Localisation.UpdateSystem_FailedExtractDetails);
}
}
}
catch
{
try
{
dir.Delete(true);
}
catch
{
/* Ignore errors to avoid losing the original exception */
}
throw;
}
finally
{
// Delete the update archive, it is no longer necessary
try
{
File.Delete(DownloadFilename);
}
catch
{
/* Ignore errors to avoid losing the original exception */
}
}
});
try
{
if (error != null)
{
throw error;
}
// update success, launch the helper
if (!File.Exists(UpdateHelperPath))
{
throw new IOException(Localisation.Error_UpdateHelperMissing);
}
// Use a magic keyword to bypass the default user-frienly message
Process.Start(UpdateHelperPath, "ItsMagic");
Application.Exit();
}
catch (Exception ex)
{
CustomMessageBox.ShowDialog(null,
new CmbBasicSettings(Localisation.UpdateSystem_FailedTitle, ex.Message,
Localisation.UpdateSystem_Failed_Details, SystemIcons.Error, "OK")
{
StartPosition = FormStartPosition.CenterScreen
});
}
}