public FileInfo DownloadFileFromURLToPath(string url, string path, long fileSize)
{
if (comms.Cancel)
{
return(null);
}
if (string.IsNullOrEmpty(url) || string.IsNullOrEmpty(path))
{
return(null);
}
downloadHandler.DownloadedFilePath = path;
downloadHandler.DownloadedFilename = Path.GetFileName(path);
downloadHandler.DownloadedFileSize = fileSize;
if (comms.LogProgress)
{
downloadHandler.Progress = new DownloadProgress(downloadHandler);
comms.SetProgress(downloadHandler.Progress);
}
if (IsGoogleDriveURL(url))
{
url = PatchUtils.GetGoogleDriveDownloadLinkFromUrl(url);
verifyDownloadSize = false;
return(DownloadGoogleDriveFileFromURLToPath(url, path));
}
else
{
verifyDownloadSize = true;
return(DownloadFileFromURLToPathInternal(url, path));
}
}
private bool ApplyDiffToFile(string filePath, string diffPath, string targetPath, int patchItemIndex)
{
PatchItem item = patchInfo.Files[patchItemIndex];
FileInfo targetFile = new FileInfo(targetPath);
if (targetFile.Exists && targetFile.MatchesSignature(item.AfterFileSize, item.AfterMd5Hash))
{
comms.Log(Localization.Get(StringId.AlreadyUpToDateXthFile, patchItemIndex + 1, patchInfo.Files.Count, item.Path));
return(true);
}
if (item.BeforeFileSize == 0L)
{
comms.Log(Localization.Get(StringId.CreatingXthFile, patchItemIndex + 1, patchInfo.Files.Count, item.Path));
Directory.CreateDirectory(Path.GetDirectoryName(targetPath));
File.Copy(diffPath, targetPath, true);
File.Delete(diffPath);
return(true);
}
FileInfo localFile = new FileInfo(filePath);
if (!localFile.Exists || !localFile.MatchesSignature(item.BeforeFileSize, item.BeforeMd5Hash))
{
return(false);
}
comms.Log(Localization.Get(StringId.UpdatingXthFile, patchItemIndex + 1, patchInfo.Files.Count, item.Path));
FilePatchProgress progress = null;
string tempOutputPath = diffPath + "_.tmp";
if (comms.LogProgress)
{
progress = new FilePatchProgress(Path.GetFileName(filePath));
comms.SetProgress(progress);
}
OctoUtils.ApplyDelta(filePath, tempOutputPath, diffPath, progress);
FileInfo updatedFile = new FileInfo(tempOutputPath);
if (!updatedFile.Exists || !updatedFile.MatchesSignature(item.AfterFileSize, item.AfterMd5Hash))
{
return(false);
}
Directory.CreateDirectory(Path.GetDirectoryName(targetPath));
File.Copy(tempOutputPath, targetPath, true);
File.Delete(tempOutputPath);
File.Delete(diffPath);
return(true);
}