private void Open(string filePath)
{
try
{
Backup = new Backup(filePath);
}
catch (Exception exception)
{
MessageBox.Show(exception.Message, "Can't load " + filePath, MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (Backup.PasswordHash.HasValue())
{
while (true)
{
using (var passwordDialog = new EnterPasswordForm())
{
if (passwordDialog.ShowDialog() != DialogResult.OK)
{
return;
}
if (passwordDialog.Password.Text.HashEncryptionPassword() == Backup.PasswordHash)
{
Backup.Password = passwordDialog.Password.Text;
break;
}
}
}
}
if (Backup.RootDocument == null)
{
MessageBox.Show("There are no documents in this backup", "Empty backup", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
if (Opened != null)
{
Opened(this, new EventArgs());
}
}
/// <summary>
/// Starts the decryption process
/// </summary>
private async void startDecryptingBtn_Click(object sender, EventArgs e)
{
var dirDlg = new FolderBrowserDialog {
Description = "Select a folder to which the files will be decrypted:"
};
if (dirDlg.ShowDialog() != DialogResult.OK)
{
return;
}
var pwdDlg = new EnterPasswordForm();
if (pwdDlg.ShowDialog() != DialogResult.OK)
{
return;
}
_progressReporter.LockUI();
_progressReporter.Report(-1, "Decrypting Files...");
SelectedAlgorithm.Key = Utils.Keys.GetKey(pwdDlg.Password, (KeyType)KeySize);
foreach (ListViewItem file in filesLst.Items)
{
file.ForeColor = Color.Gray;
var fileInfo = new FileInfo(file.SubItems[3].Text);
if (!fileInfo.Exists)
{
filesLst.Items.Remove(file);
continue;
}
var decryptedFileInfo = new FileInfo(FileName.GetUnusedFileName(Path.Combine(dirDlg.SelectedPath, Path.GetFileNameWithoutExtension(fileInfo.Name))));
_logger.Log(LoggingLevel.Information, "Decrypting `" + fileInfo.Name + "`...");
_progressReporter.Report(-1, "Decrypting `" + fileInfo.Name + "`...");
using (var from = fileInfo.OpenRead())
using (var to = decryptedFileInfo.OpenWrite())
{
_logger.Log(LoggingLevel.Information, $"Decrypting {fileInfo.Name}...");
var director = new CryptoDirector(SelectedAlgorithm, from, to, RedirectionMode.Decrypt, ChunkSize);
try
{
while (await director.ProcessChunk(
p => _progressReporter.Report((int)(p * 100), $"{p * 100:0.00}% | Decrypting {fileInfo.Name}...")
))
{
;
}
file.ForeColor = Color.Green;
_logger.Log(LoggingLevel.Information, "File `{0}` was decrypted successfully!", fileInfo.Name);
}
catch (Exception ex)
{
file.ForeColor = Color.Red;
_logger.Log(LoggingLevel.Error, "Could not Decrypt `{0}`!", fileInfo.Name);
_logger.Log(LoggingLevel.Trace, ex.Message);
if (decryptedFileInfo.Exists)
{
to.Close();
decryptedFileInfo.Delete();
}
}
}
}
MessageBox.Show($"Decrypted {filesLst.Items.OfType<ListViewItem>().Count(li => li.ForeColor == Color.Green)} Files Out Of {filesLst.Items.Count}!", "Summury", MessageBoxButtons.OK, MessageBoxIcon.Information);
foreach (ListViewItem item in filesLst.Items)
{
if (item.ForeColor == Color.Green)
{
if (!keepOldFilesCheck.Checked)
{
File.Delete(item.SubItems[3].Text);
}
filesLst.Items.Remove(item);
}
}
_progressReporter.Report(0, "Ready");
_progressReporter.UnlockUI();
}