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");
}
}
private VerificationStatus Unlock()
{
Logger.Debug("Unlocking");
if (_verified)
{
if (FileName != null)
{
var zipContent = TemplateOperations.ExtractDataContentFromNLock(FileName);
Logger.Debug("ExtractDataContentFromNLock");
_lockedContent = _encryptionStrategy.Decrypt(Template, zipContent);
_container.LoadFromMemory(_lockedContent);
IsLocked = false;
}
return(VerificationStatus.Verfified);
}
else
{
Logger.Debug("Not verified");
IsLocked = true;
return(VerificationStatus.Failed);
}
}