public void CopyFolder(IMailFolder folder, Folder sqlEntity, bool update, string password)
{
try
{
folder.Open(FolderAccess.ReadOnly);
}
catch (Exception)
{
return;
}
Random rng = AzusaContext.GetInstance().RandomNumberGenerator;
IList <UniqueId> uuids = folder.Search(FolderService.GetSearchQuery(sqlEntity));
foreach (UniqueId uuid in uuids)
{
if (MessageService.TestForMessage((int)uuid.Id))
{
continue;
}
var message = folder.GetMessage(uuid);
byte[] saltBuffer = new byte[16];
rng.NextBytes(saltBuffer);
Array.Copy(azusaString, 0, saltBuffer, 0, azusaString.Length);
int iterations = rng.Next(1000, short.MaxValue);
Rfc2898DeriveBytes deriveBytes = new Rfc2898DeriveBytes(password, saltBuffer, iterations);
Aes aes = Aes.Create();
aes.Key = deriveBytes.GetBytes(32);
aes.IV = deriveBytes.GetBytes(16);
MemoryStream ms = new MemoryStream();
CryptoStream cryptoStream = new CryptoStream(ms, aes.CreateEncryptor(), CryptoStreamMode.Write);
message.WriteTo(cryptoStream);
cryptoStream.Flush();
Mail child = new Mail();
child.Uid = (int)uuid.Id;
child.MessageUtime = message.Date.DateTime.ToUnixTime();
child.Folder = sqlEntity.id;
child.From = message.From[0].ToString();
if (message.To.Count > 0)
{
child.To = message.To[0].ToString();
}
else
{
child.To = null;
}
child.Subject = message.Subject;
child.Salt = saltBuffer;
child.Iterations = (short)iterations;
child.Data = new byte[ms.Position];
Array.Copy(ms.GetBuffer(), 0, child.Data, 0, ms.Position);
MessageService.StoreMessage(child);
}
folder.Close(false);
}
