private async void sendFilesButton_Click(object sender, EventArgs e)
{
Cursor = Cursors.WaitCursor;
DisableAll();
var statusLabel = new ToolStripStatusLabel("Sending files");
statusBar.Items.Add(statusLabel);
var selectedUsers = usersListBox.SelectedItems;
if (selectedUsers.Count > 0)
{
var openFileDialog = new OpenFileDialog();
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
string filePath = openFileDialog.FileName;
string fileName = openFileDialog.SafeFileName;
foreach (User user in selectedUsers)
{
try
{
if (!encryptCheckBox.Checked)
{
statusLabel.Text = string.Format("Uploading {0} to cloud", fileName);
await _cloud.UploadFileAsync(filePath, user, fileName);
if (user == _currentUser)
{
filesListBox.DataSource = await _cloud.GetFilesListAsync(_currentUser);
}
}
else
{
var tempFile = Path.GetTempFileName();
var tempCertificate = Path.GetTempFileName();
statusLabel.Text = string.Format("Downloading certificate ({0})", user.CommonName);
await _cloud.DownloadCertificateAsync(tempCertificate, user);
statusLabel.Text = string.Format("Encrypting {0}", fileName);
await Encrypt.FileWithPublicKey(filePath, tempFile, new UserCertificate(tempCertificate));
statusLabel.Text = string.Format("Uploading {0} to cloud", fileName);;
await _cloud.UploadFileAsync(tempFile, user, fileName);
if (user == _currentUser)
{
filesListBox.DataSource = await _cloud.GetFilesListAsync(_currentUser);
}
File.Delete(tempFile);
File.Delete(tempCertificate);
}
}
catch (CloudException cloud)
{
MessageBox.Show(cloud.Message, "Cloud problem", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
catch (Exception)
{
MessageBox.Show("Unexcepted error occured. Click OK to contiune", "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
}
}
else
{
MessageBox.Show("Select users first", "Select users", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
EnableAll();
statusBar.Items.Remove(statusLabel);
Cursor = Cursors.Arrow;
}