private void tsEncryptionLabel_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(FileName))
{
if (Program.InfoMsg("To set the encryption mode for a new file you have to save it first. Save now?", true) == DialogResult.Yes)
{
SaveText(false, false);
}
}
else
{
var GS = AppSettings.GlobalSettings();
if (GS == null)
{
GS = new AppSettings()
{
Restrictions = new Restrictions()
};
}
using (var dlgModes = new frmCryptoModeSelect(Settings, GS.Restrictions.AllowedModes, CurrentFile.AllModes))
{
if (dlgModes.ShowDialog() == DialogResult.OK)
{
if (dlgModes.Modes == 0)
{
Program.ErrorMsg("Please select at least one mode of encryption");
}
else
{
var Params = new Dictionary <CryptoMode, object>();
if (dlgModes.Modes.HasFlag(CryptoMode.Password))
{
Params[CryptoMode.Password] = dlgModes.Password;
}
if (dlgModes.Modes.HasFlag(CryptoMode.Keyfile))
{
Params[CryptoMode.Keyfile] = dlgModes.Keyfile;
}
if (dlgModes.Modes.HasFlag(CryptoMode.RSA))
{
Params[CryptoMode.RSA] = dlgModes.RsaKey.Key;
}
try
{
CurrentFile = Encryption.Encrypt(dlgModes.Modes, Encoding.UTF8.GetBytes(tbEditor.Text), Params);
if (Program.InfoMsg("The cryptographic modes were changed. Save the file now?", true) == DialogResult.Yes)
{
SaveText(false, false);
}
}
catch (Exception ex)
{
Program.ErrorMsg($"Unable to encrypt your file.\r\n{ex.Message}");
}
}
}
}
}
}
private bool SaveText(bool SaveAs, bool AskToSave)
{
if (AskToSave)
{
var dlgresult = Program.AlertMsg("Save changes to the current file?", true, true);
if (dlgresult == DialogResult.No)
{
return(true);
}
if (dlgresult == DialogResult.Cancel)
{
return(false);
}
}
if ((!string.IsNullOrEmpty(FileName) && !SaveAs) || dlgSave.ShowDialog() == DialogResult.OK)
{
if (CurrentFile == null)
{
var GS = AppSettings.GlobalSettings();
if (GS == null)
{
GS = new AppSettings()
{
Restrictions = new Restrictions()
};
}
using (var dlgCrypt = new frmCryptoModeSelect(Settings, GS.Restrictions.AllowedModes))
{
if (dlgCrypt.ShowDialog() == DialogResult.OK)
{
if (dlgCrypt.Modes == 0 && GS.Restrictions.AutoRsaKeys.Length == 0)
{
Program.ErrorMsg("Please select at least one mode of encryption");
return(false);
}
var Params = new Dictionary <CryptoMode, object>();
if (dlgCrypt.Modes.HasFlag(CryptoMode.Password))
{
Params[CryptoMode.Password] = dlgCrypt.Password;
}
if (dlgCrypt.Modes.HasFlag(CryptoMode.Keyfile))
{
Params[CryptoMode.Keyfile] = dlgCrypt.Keyfile;
}
if (dlgCrypt.Modes.HasFlag(CryptoMode.RSA) || GS.Restrictions.AutoRsaKeys.Length > 0)
{
var RsaList = new List <RSAParameters>(GS.Restrictions.AutoRsaKeys.Select(m => m.Key));
if (dlgCrypt.Modes.HasFlag(CryptoMode.RSA))
{
RsaList.Add(dlgCrypt.RsaKey.Key);
}
Params[CryptoMode.RSA] = RsaList;
}
try
{
CurrentFile = Encryption.Encrypt(dlgCrypt.Modes, Encoding.UTF8.GetBytes(tbEditor.Text), Params);
FileParams = Params;
}
catch (Exception ex)
{
Program.ErrorMsg($"Unable to encrypt your file.\r\n{ex.Message}");
return(false);
}
}
else
{
return(false);
}
}
}
else
{
Encryption.ReEncrypt(CurrentFile, Encoding.UTF8.GetBytes(tbEditor.Text));
}
if (SaveAs || string.IsNullOrEmpty(FileName))
{
FileName = dlgSave.FileName;
}
try
{
File.WriteAllText(FileName, CurrentFile.ToXML());
}
catch (Exception ex)
{
Program.ErrorMsg($"Unable to save your file.\r\n{ex.Message}");
return(false);
}
//Saved the current file
BaseContent = tbEditor.Text;
UpdateStatus();
return(true);
}
return(false);
}
