private void pib_editFilenameAccept_Click(object sender, EventArgs e)
{
if (txb_editFilename.Text.Length < 1)
{
MessageBox.Show("Der Dateiname darf nicht leer sein", "Fehler", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
string[] temp = Files[editIndex].Filename.Split('.');
Files[editIndex] = new EncryptedFile(txb_editFilename.Text + "." + temp[temp.Length - 1], Files[editIndex].Path);
File.WriteAllBytes(User.Path + "\\files.dat", Files.SerializeFileList().Encrypt(User.Token));
RefreshLists();
pib_editFilenameBack_Click(null, null);
}
private void AddFiles(string[] FileNames)
{
bool delete = false;
if (MessageBox.Show("Sollen die Dateien nach dem hinzufügen gelöscht werden?", "Löschen", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes)
{
delete = true;
}
Loc = Location;
Working.Start();
foreach (string f in FileNames)
{
string encFilename;
do
{
encFilename = User.Path + "\\File" + new Random().Next(100000, 999999) + ".file";
} while (File.Exists(encFilename));
FileStream newFile = File.Create(encFilename);
FileStream oldFile = new FileStream(f, FileMode.Open);
PasswordDeriveBytes pdb = new PasswordDeriveBytes(User.Token, new byte[0]);
RijndaelManaged rm = new RijndaelManaged();
CryptoStream cs = new CryptoStream(newFile, rm.CreateEncryptor(pdb.GetBytes(32), pdb.GetBytes(16)), CryptoStreamMode.Write);
oldFile.CopyTo(cs);
cs.FlushFinalBlock();
cs.Close();
oldFile.Close();
newFile.Close();
if (delete)
{
File.Delete(f);
}
EncryptedFile e = new EncryptedFile(Path.GetFileName(f), encFilename);
Files.Add(e);
File.WriteAllBytes(User.Path + "\\files.dat", Files.SerializeFileList().Encrypt(User.Token));
RefreshLists();
}
CloseWorking = true;
}
private void ExportFiles(string folder)
{
Loc = Location;
Working.Start();
foreach (ListViewItem item in lvw_files.SelectedItems)
{
EncryptedFile enc = Files[lvw_files.Items.IndexOf(item)];
FileStream encFile = File.Open(Path.GetFullPath(enc.Path), FileMode.Open);
FileStream newFile = new FileStream(folder + enc.Filename, FileMode.Create);
PasswordDeriveBytes pdb = new PasswordDeriveBytes(User.Token, new byte[0]);
RijndaelManaged rm = new RijndaelManaged();
CryptoStream cs = new CryptoStream(encFile, rm.CreateDecryptor(pdb.GetBytes(32), pdb.GetBytes(16)), CryptoStreamMode.Read);
cs.CopyTo(newFile);
cs.Close();
encFile.Close();
newFile.Close();
}
CloseWorking = true;
}
