/// <summary>
/// Handler that execut
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnButtonNewPasswordClicked(object sender, RoutedEventArgs e)
{
// Asks the user for the new password
var askWin = new TextinputWindow(
Lang.config_newpw_title,
Lang.config_newpw_title,
OnSubmitPassword,
null,
Lang.config_newpw_yes,
Lang.config_newpw_no
);
// Opens the window
askWin.ShowDialog();
// Executes once the user submits a new password
void OnSubmitPassword(string password)
{
// Sets the new password
this.password = password;
// Enables the save button
this.buttonSave.IsEnabled = true;
}
}
/// <summary>
/// Opens a serias of windows that ask the user for a password to open a config file
/// </summary>
/// <param name="OnReceive">Callback that executes once the config got loaded successfull. Contains a bool that says if the config has been created new (true) or if the config has been loaded and therewas existed (false). Contains a string that represents the config password, used to de/encrypt the config.</param>
/// <param name="OnCancel">Callback that executes once the user cancels opening of the config</param>
/// <returns>Null if the user cancled the config-request; otherwise the loaded or newly created config</returns>
public static void GetConfigFromUser(Action <bool, Config, string> OnReceive, Action OnCancel)
{
log.Debug("Starting to request the config (From the user)");
// Checks if a config file exists
if (!File.Exists(PLCA.CONFIG_PATH))
{
log.Debug("Config does not exist, asking to create a new one.");
// Creates a new window to ask the user for further instructions
var askNew = new YesNoWindow(
Lang.config_notexisting_title,
OnCreateNewConfig,
OnCancel,
Lang.config_notexisting_yes,
Lang.config_notexisting_no,
Lang.config_notexisting_title,
Lang.config_notexisting_info
);
// Opens the window
askNew.ShowDialog();
return;
}
// Creates the window to ask for the config-password
var askPass = new TextinputWindow(
Lang.config_pass_title,
Lang.config_pass_title,
OnReceivePassword,
OnCancel,
Lang.config_pass_ok,
Lang.config_pass_cancle);
// Opens the window
askPass.ShowDialog();
// Executes once the user has submitted a password
void OnReceivePassword(string password)
{
try
{
log
.Debug("Received password, creating new config.")
.Critical("Password="******"The previous config could be decrypted, but is currupted")
.Critical("Raw previous content=" + e.RawInput);
// The config could be decrypted but is currupted
// Creates a new window to ask the user for further instructions
var askNew = new YesNoWindow(
Lang.config_currupted_title,
OnCreateNewConfig,
OnCancel,
Lang.config_currupted_yes,
Lang.config_currupted_no,
Lang.config_currupted_title,
Lang.config_currupted_info,
() => Clipboard.SetText(e.RawInput),
Lang.config_currepted_copy
);
// Opens the window
askNew.ShowDialog();
}
catch (ConfigInvalidKeyException)
{
log.Debug("User has specified an invalid password.");
// Creates a window to inform the user
var ackWin = new AcknowledgmentWindow(
Lang.config_wrongpw_title,
Lang.config_wrongpw_title,
() => GetConfigFromUser(OnReceive, OnCancel),
Lang.config_wrongpw_retry
);
// Opens the window
ackWin.ShowDialog();
}
catch (Exception e)
{
log
.Debug("Unknown error occurred (Maybe a file error with permissions?)")
.Critical(e);
// Creates a window to inform the user
var ackWin = new AcknowledgmentWindow(
Lang.config_loaderr_title,
e.Message,
OnCancel,
Lang.config_loaderr_close
);
// Opens the window
ackWin.ShowDialog();
}
}
// Executes once the user wants to create a new config (Because the old one got destroyed)
void OnCreateNewConfig()
{
log.Debug("Asking for the password of the new config");
// Asks for the new password
var askPass2 = new TextinputWindow(
Lang.config_new_pass_title,
Lang.config_new_pass_text,
OnSubmitNewPassword,
OnCancel,
Lang.config_pass_ok,
Lang.config_pass_cancle
);
// Shows the window
askPass2.ShowDialog();
}
// Executes once the user has decided the new password
void OnSubmitNewPassword(string password)
{
// Creates a config with the default parameters
Config cfg = new Config
{
Host = string.Empty,
Port = 0,
PrivateKey = new RSAParameters()
{
D = new byte[0],
DP = new byte[0],
DQ = new byte[0],
Exponent = new byte[0],
InverseQ = new byte[0],
Modulus = new byte[0],
P = new byte[0],
Q = new byte[0]
}
};
try
{
log
.Debug("Saving new config")
.Critical("New Password="******"Successfully saved the new config");
// Returns the new config
OnReceive(true, cfg, password);
}
catch (Exception e)
{
log
.Debug("Error saving the new config. Maybe a file-error with permissions?")
.Critical(e);
// Creates the warning window
var ackWin = new AcknowledgmentWindow(
Lang.config_new_error,
e.Message,
OnCancel,
Lang.config_new_error_button
);
// Opens the new window
ackWin.ShowDialog();
}
}
}