private async void ClientOnFileIncomeEvent(string userId, string username, string originalFileName,
string cryptedfileName)
{
string path = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments),
"CryptedChatTemp");
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
var cryptedPath = Path.Combine(path, cryptedfileName);
path = Path.Combine(path, originalFileName);
var file = await Client.DownloadFile(cryptedfileName);
if (File.Exists(path))
{
File.Delete(path);
}
using (var fileStream = new FileStream(cryptedPath, FileMode.Create, FileAccess.Write))
{
file.CopyTo(fileStream);
}
Cipher.DecryptFile(cryptedPath, path, Client.PassPhrase);
File.Delete(cryptedPath);
ChatBox.AppendHyperLink(username, originalFileName, _userColors[userId]);
}