public void LoadFromFile(string fileName)
{
IsLocked = true;
FileName = fileName;
var full = File.ReadAllBytes(fileName);
var type = DecideTemplateOperations(fileName);
if (type > 0)
{
Logger.Debug("LoadFromFile Type : " + type);
var zipContent = TemplateOperations.ExtractDataContentFromNLock(full);
try
{
Template = TemplateOperations.ExtractTemplateFromNLock(full);
Template = _encryptionStrategy.Decrypt(zipContent, Template);
}
catch (Exception)
{
throw;
}
UnlockForm loginFrom;
if (type == 2)
{
var hash = TemplateOperations.GetHashFromNLock(full);
Logger.Debug("LoadFromFile Hash : " + Encoding.UTF8.GetString(hash));
loginFrom = new UnlockForm(Template, hash, fileName);
}
else
{
loginFrom = new UnlockForm(Template, fileName)
{
PwHash = null
};
}
loginFrom.ShowDialog();
var result = loginFrom.DialogResult;
if (result != DialogResult.Cancel)
{
_verified = loginFrom.Verified;
if (Unlock() == VerificationStatus.Failed)
{
throw new Exception("Loading from file failed");
}
}
loginFrom.Dispose();
}
else
{
throw new Exception("Loading from file failed");
}
}
public List <T> DeserializeObject()
{
try
{
EnsureFolder(_configuration.StorageLocation);
if (File.Exists(_configuration.GetFullPath()) == false)
{
return(new List <T>());
}
string encryptedFile = null;
using (StreamReader file = File.OpenText(_configuration.GetFullPath()))
{
encryptedFile = file.ReadToEnd();
}
string decriptedText = _encryptionStrategy.Decrypt(encryptedFile, _configuration.DecryptedMasterKey);
return(JsonConvert.DeserializeObject <List <T> >(decriptedText));
}
catch (Newtonsoft.Json.JsonReaderException ex)
{
_logger.Error(ex.Message);
throw new EncryptedDeserializationException(ex.Message);
}
}
public string Decrypt()
{
try
{
return(_strategy.Decrypt(_message));
}
catch (NullReferenceException e)
{
System.Windows.Forms.MessageBox.Show("Strategy for encryption not set." + e.ToString(), "Strategy not set.",
System.Windows.Forms.MessageBoxButtons.OK,
System.Windows.Forms.MessageBoxIcon.Error,
System.Windows.Forms.MessageBoxDefaultButton.Button1);
return(null);
}
}
public string Decrypt(string content)
{
return(_strategy.Decrypt(content));
}