private static async Task <FileInfo> EnsureFileIsExtracted(FileInfo file)
{
if (file.FullName.EndsWith(".age4scn", StringComparison.OrdinalIgnoreCase) &&
L33TZipUtils.IsL33TZipFile(file.FullName))
{
var data = await L33TZipUtils.ExtractL33TZipFileAsync(file.FullName);
File.Delete(file.FullName);
File.WriteAllBytes(file.FullName, data);
return(new FileInfo(file.FullName));
}
return(file);
}
public static async Task <bool> ScanAndRepairFile(GameFileInfo fileInfo, string gameFilePath,
PathTransformer pathTransformer, IProgress <ScanSubProgress> progress = null,
int concurrentDownload = 0, CancellationToken ct = default)
{
var filePath = Path.Combine(gameFilePath, pathTransformer.TransformPath(fileInfo.FileName));
//#1 Check File
ct.ThrowIfCancellationRequested();
progress?.Report(new ScanSubProgress(ScanSubProgressStep.Check, 0));
Progress <double> subProgressCheck = null;
if (progress != null)
{
subProgressCheck = new Progress <double>();
subProgressCheck.ProgressChanged += (o, d) =>
{
progress.Report(new ScanSubProgress(
ScanSubProgressStep.Check, d));
};
}
if (await RunFileCheck(filePath, fileInfo.Size, fileInfo.Crc32, ct, subProgressCheck))
{
progress?.Report(new ScanSubProgress(ScanSubProgressStep.End, 100));
return(true);
}
//#2 Download File
ct.ThrowIfCancellationRequested();
progress?.Report(new ScanSubProgress(ScanSubProgressStep.Download, 0));
var tempFileName = Path.Combine(GameScannerTempPath, $"{fileInfo.FileName.GetHashCode():X4}.tmp");
if (File.Exists(tempFileName))
{
File.Delete(tempFileName);
}
var fileDownloader = concurrentDownload == 1
? (IFileDownloader) new SimpleFileDownloader(fileInfo.HttpLink, tempFileName)
: new ChunkFileDownloader(fileInfo.HttpLink, tempFileName, GameScannerTempPath,
concurrentDownload);
if (progress != null)
{
fileDownloader.ProgressChanged += (sender, eventArg) =>
{
switch (fileDownloader.State)
{
case FileDownloaderState.Invalid:
case FileDownloaderState.Download:
progress.Report(new ScanSubProgress(
ScanSubProgressStep.Download, fileDownloader.DownloadProgress * 0.99,
new ScanDownloadProgress(fileDownloader.DownloadSize, fileDownloader.BytesDownloaded,
fileDownloader.DownloadSpeed)));
break;
case FileDownloaderState.Finalize:
progress.Report(new ScanSubProgress(
ScanSubProgressStep.Download, 99,
new ScanDownloadProgress(fileDownloader.DownloadSize, fileDownloader.BytesDownloaded,
0)));
break;
case FileDownloaderState.Complete:
progress.Report(new ScanSubProgress(
ScanSubProgressStep.Download, 100,
new ScanDownloadProgress(fileDownloader.DownloadSize, fileDownloader.BytesDownloaded,
0)));
break;
case FileDownloaderState.Error:
case FileDownloaderState.Abort:
break;
default:
throw new ArgumentOutOfRangeException(nameof(fileDownloader.State),
fileDownloader.State, null);
}
}
}
;
await fileDownloader.DownloadAsync(ct);
//#3 Check Downloaded File
ct.ThrowIfCancellationRequested();
Progress <double> subProgressCheckDown = null;
if (progress != null)
{
progress.Report(new ScanSubProgress(ScanSubProgressStep.CheckDownload, 0));
subProgressCheckDown = new Progress <double>();
subProgressCheckDown.ProgressChanged += (o, d) =>
{
progress.Report(new ScanSubProgress(
ScanSubProgressStep.CheckDownload, d));
};
}
try
{
await EnsureValidGameFile(tempFileName, fileInfo.BinSize, fileInfo.BinCrc32, ct, subProgressCheckDown);
}
catch
{
if (File.Exists(tempFileName))
{
File.Delete(tempFileName);
}
throw;
}
//#4 Extract downloaded file
ct.ThrowIfCancellationRequested();
if (L33TZipUtils.IsL33TZipFile(tempFileName))
{
var tempFileName2 = $"{tempFileName.Replace(".tmp", string.Empty)}.ext.tmp";
//
Progress <double> extractProgress = null;
if (progress != null)
{
progress.Report(new ScanSubProgress(
ScanSubProgressStep.ExtractDownload, 0));
extractProgress = new Progress <double>();
extractProgress.ProgressChanged += (o, d) =>
{
progress.Report(new ScanSubProgress(
ScanSubProgressStep.ExtractDownload, d));
};
}
await L33TZipUtils.ExtractL33TZipFileAsync(tempFileName, tempFileName2, ct, extractProgress);
//#4.1 Check Extracted File
ct.ThrowIfCancellationRequested();
Progress <double> subProgressCheckExt = null;
if (progress != null)
{
progress.Report(new ScanSubProgress(
ScanSubProgressStep.CheckExtractDownload, 0));
subProgressCheckExt = new Progress <double>();
subProgressCheckExt.ProgressChanged += (o, d) =>
{
progress.Report(new ScanSubProgress(
ScanSubProgressStep.CheckExtractDownload, d));
};
}
await EnsureValidGameFile(tempFileName2, fileInfo.Size, fileInfo.Crc32, ct, subProgressCheckExt);
File.Delete(tempFileName);
tempFileName = tempFileName2;
}
//#5 Move new file to game folder
ct.ThrowIfCancellationRequested();
progress?.Report(new ScanSubProgress(
ScanSubProgressStep.Finalize, 0));
if (File.Exists(filePath))
{
File.Delete(filePath);
}
else
{
var pathName = Path.GetDirectoryName(filePath);
if (!string.IsNullOrEmpty(pathName) && !Directory.Exists(pathName))
{
Directory.CreateDirectory(pathName);
}
}
File.Move(tempFileName, filePath);
//#6 End
progress?.Report(new ScanSubProgress(
ScanSubProgressStep.End, 100));
return(true);
}
private static async Task ConvertFile(bool convertFile, string tempFileName, BarEntry barFileInfo, string filePath)
{
//Convert file
if (convertFile)
{
if (L33TZipUtils.IsL33TZipFile(tempFileName) &&
!barFileInfo.FileName.EndsWith(".age4scn", StringComparison.OrdinalIgnoreCase))
{
var rnd = new Random(Guid.NewGuid().GetHashCode());
var tempFileName2 =
Path.Combine(Path.GetTempPath(),
$"{Path.GetFileName(barFileInfo.FileName)}-{rnd.Next()}.tmp");
await L33TZipUtils.ExtractL33TZipFileAsync(tempFileName, tempFileName2);
if (File.Exists(tempFileName))
{
File.Delete(tempFileName);
}
tempFileName = tempFileName2;
}
if (barFileInfo.FileName.EndsWith(".xmb", StringComparison.OrdinalIgnoreCase))
{
try
{
var rnd = new Random(Guid.NewGuid().GetHashCode());
var tempFileName2 =
Path.Combine(Path.GetTempPath(),
$"{Path.GetFileName(barFileInfo.FileName)}-{rnd.Next()}.tmp");
XmbFileUtils.XmbToXml(tempFileName, tempFileName2);
if (File.Exists(tempFileName))
{
File.Delete(tempFileName);
}
tempFileName = tempFileName2;
filePath = filePath.Substring(0, filePath.Length - 4);
}
catch (Exception)
{
//
}
}
else if (barFileInfo.FileName.EndsWith(".age4scn",
StringComparison.OrdinalIgnoreCase) &&
!L33TZipUtils.IsL33TZipFile(tempFileName))
{
var rnd = new Random(Guid.NewGuid().GetHashCode());
var tempFileName2 =
Path.Combine(Path.GetTempPath(),
$"{Path.GetFileName(barFileInfo.FileName)}-{rnd.Next()}.tmp");
await L33TZipUtils.CompressFileAsL33TZipAsync(tempFileName, tempFileName2);
if (File.Exists(tempFileName))
{
File.Delete(tempFileName);
}
tempFileName = tempFileName2;
}
}
//Move new file
if (File.Exists(filePath))
{
File.Delete(filePath);
}
File.Move(tempFileName, filePath);
File.SetCreationTimeUtc(filePath,
new DateTime(barFileInfo.LastWriteTime.Year, barFileInfo.LastWriteTime.Month,
barFileInfo.LastWriteTime.Day, barFileInfo.LastWriteTime.Hour,
barFileInfo.LastWriteTime.Minute, barFileInfo.LastWriteTime.Second));
File.SetLastWriteTimeUtc(filePath,
new DateTime(barFileInfo.LastWriteTime.Year, barFileInfo.LastWriteTime.Month,
barFileInfo.LastWriteTime.Day, barFileInfo.LastWriteTime.Hour,
barFileInfo.LastWriteTime.Minute, barFileInfo.LastWriteTime.Second));
}
