public MainForm()
{
ShrewNotifier.OperationLogged += notifications_OperationLogged;
ShrewNotifier.ConnectionStatusChanged += notifications_ConnectionStatusChanged;
UpdateChecker.UpdateAvailable += updates_UpdateAvailable;
InitializeComponent();
ShrewCredentials credentials = null;
try
{
credentials = ShrewConfiguration.LoadCredentials();
}
catch (Exception exc)
{
MessageBox.Show("Unable to load saved credentials! " + exc.Message, "Error Loading Credentials!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
if (credentials != null)
{
this.usernameTextBox.Text = credentials.username;
this.passwordTextBox.Text = credentials.password;
this.siteConfigTextBox.Text = credentials.siteConfigPath;
this.checkboxConnectOnStart.Checked = credentials.connectOnStart;
this.checkBoxSave.Checked = true;
if (this.checkboxConnectOnStart.Checked)
{
connect();
this.WindowState = FormWindowState.Minimized;
}
}
else
{
this.checkBoxSave.Checked = false;
}
}
private static void PerformCheck(Object stateInfo)
{
try
{
ShrewProperties properties = ShrewConfiguration.LoadProperties();
Version localVersion = Assembly.GetExecutingAssembly().GetName().Version;
//userID used to track active user count.
WebRequest request = HttpWebRequest.Create(string.Format(VERSION_URL, properties.userId, localVersion.ToString(), getArch()));
WebResponse response = request.GetResponse();
StreamReader rdr = new StreamReader(response.GetResponseStream());
char[] buffer = new char[response.ContentLength];
rdr.Read(buffer, 0, (Int32)response.ContentLength);
Version latestVersion = new Version(new String(buffer));
bool newVersionAvailable = latestVersion.CompareTo(localVersion) > 0;
if (newVersionAvailable && UpdateAvailable != null)
{
UpdateAvailable(null, new UpdateAvailableArgs(latestVersion));
}
properties.lastUpdateCheck = DateTime.UtcNow;
ShrewConfiguration.SaveProperties(properties);
}
catch (Exception)
{
//Eat all errors
}
}
private void connect()
{
if (String.IsNullOrWhiteSpace(this.usernameTextBox.Text) ||
String.IsNullOrWhiteSpace(this.passwordTextBox.Text) ||
String.IsNullOrWhiteSpace(this.siteConfigTextBox.Text))
{
MessageBox.Show("Site Config Path, Username and Password fields must all be completed before you will be able to connect to your VPN.", "Required Fields", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
statusTextBox.Text = "";
connectPanel.Visible = false;
statusPanel.Visible = true;
ShrewCredentials credentials = new ShrewCredentials();
credentials.username = this.usernameTextBox.Text;
credentials.password = this.passwordTextBox.Text;
credentials.siteConfigPath = this.siteConfigTextBox.Text;
credentials.connectOnStart = this.checkboxConnectOnStart.Checked;
credentials.formLogin = this.formloginTextBox.Text;
credentials.authenticateOnConnected = this.checkboxAuth.Checked;
connection = new ShrewConnection(credentials);
if (checkBoxSave.Checked)
{
try
{
ShrewConfiguration.SaveCredentials(credentials);
}
catch (Exception exc)
{
MessageBox.Show("Unable to save credentials! " + exc.Message, "Error Saving Credentials!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
ShrewConfiguration.DeleteCredentials();
}
connection.Connect();
}
public static void CheckForUpdate()
{
ShrewProperties properties = ShrewConfiguration.LoadProperties();
if (properties == null)
{
properties = new ShrewProperties();
properties.userId = Guid.NewGuid();
ShrewConfiguration.SaveProperties(properties);
}
long initalDelay = 0;
if (properties.lastUpdateCheck != null)
{
initalDelay = (long)properties.lastUpdateCheck.AddMilliseconds(UPDATE_CHECK_INTERVAL_MILLIS)
.Subtract(DateTime.UtcNow).TotalMilliseconds;
if (initalDelay < 0)
{
initalDelay = 0;
}
}
updateCheckTimer = new Timer(UpdateChecker.PerformCheck, null, initalDelay, UPDATE_CHECK_INTERVAL_MILLIS);
}
