private void DownloadInjureFile(int index = 0)
{
if (index >= PreferenceFiles.Count)
{
///Tracking change to download status
PreferenceTracker.DownloadEngineStatusArgs.DownloadStatus = DownloadStatusFlags.Finished;
PreferenceTracker.DownloadEngineStatusChange(PreferenceTracker.DownloadEngineStatusArgs);
return;
}
///Tracking change to downloading file
PreferenceTracker.DownloadEngineFileArgs.Name = PreferenceFiles[index].Name;
PreferenceTracker.DownloadEngineFileArgs.Directory = PreferenceFiles[index].Directory;
PreferenceTracker.DownloadEngineFileChange(PreferenceTracker.DownloadEngineFileArgs);
WebClient client = new WebClient();
long LastBytesReceived = 0;
client.DownloadFileCompleted += (s, e) => DownloadInjureFile(++index);
client.DownloadProgressChanged += (s, e) =>
{
TotalBytesConfirmed += (e.BytesReceived - LastBytesReceived);
LastBytesReceived = e.BytesReceived;
int Percentage = Convert.ToInt32((double)TotalBytesConfirmed / (double)TotalBytes * 100.0);
///Tracking change to downloading progress
PreferenceTracker.DownloadEngineProgressArgs.Size = PreferenceFiles[index].Size;
PreferenceTracker.DownloadEngineProgressArgs.DownloadedSize = e.BytesReceived;
PreferenceTracker.DownloadEngineProgressArgs.Percentage = Percentage;
PreferenceTracker.DownloadEngineProgressChange(PreferenceTracker.DownloadEngineProgressArgs);
};
client.DownloadFileAsync(PreferenceFiles[index].Address, Path.Combine(SaveDirectory, PreferenceFiles[index].Directory, PreferenceFiles[index].Name));
}
/// <summary>
/// This method allows you to check the integrity of the files, the list of which it received
/// </summary>
/// <param name="SaveDirectory">File check root path</param>
/// <param name="PreferenceFiles">List of preference files</param>
/// <param name="ValidityMode">File check mode</param>
/// <returns>List of files edited as a result of the method</returns>
public List <PreferenceFile> ValidateFiles(string SaveDirectory, List <PreferenceFile> PreferenceFiles, FileValidityMode ValidityMode, ref PreferenceTrackingHandler PreferenceTracker)
{
///Tracking change to download status
PreferenceTracker.DownloadEngineStatusArgs.DownloadStatus = DownloadStatusFlags.Validating;
PreferenceTracker.DownloadEngineStatusChange(PreferenceTracker.DownloadEngineStatusArgs);
List <PreferenceFile> PreferenceInjuredFiles = new List <PreferenceFile>();
foreach (PreferenceFile ValidityFile in PreferenceFiles)
{
if (!string.IsNullOrEmpty(ValidityFile.Directory))
{
Directory.CreateDirectory(Path.Combine(SaveDirectory, ValidityFile.Directory));
}
if (!File.Exists(Path.Combine(SaveDirectory, ValidityFile.Directory, ValidityFile.Name)))
{
PreferenceInjuredFiles.Add(ValidityFile);
continue;
}
if (ValidityMode == FileValidityMode.Sizing)
{
if (new FileInfo(Path.Combine(SaveDirectory, ValidityFile.Directory, ValidityFile.Name)).Length != ValidityFile.Size)
{
PreferenceInjuredFiles.Add(ValidityFile);
}
}
else if (ValidityMode == FileValidityMode.Hashing)
{
MD5 Crypto = MD5.Create();
FileStream Stream = File.OpenRead(Path.Combine(SaveDirectory, ValidityFile.Directory, ValidityFile.Name));
byte[] Hashcode = Crypto.ComputeHash(Stream);
string Hash = (BitConverter.ToString(Hashcode).Replace("-", string.Empty)).ToLower();
if (Hash != ValidityFile.Hash)
{
PreferenceInjuredFiles.Add(ValidityFile);
}
}
}
return(PreferenceInjuredFiles);
}
