public async Task DownloadFile(Attachment file)
{
using (_client = new WebClient())
{
var fileName = file.File.FileName;
if (file.IsEncrypted)
{
fileName = "crypt_download" + Files.Count(f => f.IsNotCompleted);
}
_client.DownloadProgressChanged += (o, e) =>
{
file.Progress = e.ProgressPercentage;
};
_client.DownloadFileCompleted += (o, e) =>
{
if (file.IsEncrypted)
{
_cryptTool.DecryptFile(file.Path + "\\" + fileName,
file.Path + "\\" + file.File.FileName,
file.EncryptedSymmetricKey);
}
file.IsNotCompleted = false;
};
try
{
await _client.DownloadFileTaskAsync(file.File.Url, file.Path + "\\" + fileName);
}
catch (Exception)
{
// ignored
}
}
}