/// <summary>
/// This is the Background worker which starts and controls the ScanMonitor.
/// Does some UI things, also takes care of the ScanningDialog.
/// This seems a doubling of the ScanMonitor's Watcher, but it is needed to keep the UI running independently.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void doThreadScan(object sender, DoWorkEventArgs e)
{
BackgroundWorker bw = (BackgroundWorker)sender;
int ScanCountSession = 0;
double frac = 100.0 / ((double)dorksToScan.Count);
double realstat = 0;
using (ScanMonitor scanmonitor = new ScanMonitor(Properties.Settings.Default.MaxParallelScans))
{
foreach (SSelectedDork _dork in dorksToScan)
{
ScanCountSession++;
if (scanningdialog != null)
{
scanningdialog.UpdateTitle(ScanCountSession);
Update();
}
DorkDone dorkdone = CreateDorkForScanning(_dork);
ListViewItem lv = ShowTemporaryDork(_dork);
lv.Tag = dorkdone;
dorkdone.ViewItem = lv;
Update();
Scanner scanner = new Scanner(new ScanGoogleProvider(), dorkdone);
while (!scanmonitor.IsThreadAvail())
{
CheckAndDisplayResults(scanmonitor);
Thread.Sleep(300);
}
scanmonitor.Add(scanner);
Thread.Sleep(200);
CheckAndDisplayResults(scanmonitor);
if (scanningdialog != null)
{
realstat += frac / Properties.Settings.Default.RequestPages;
scanningdialog.SetPercentage((int)Math.Round(realstat));
Update();
}
if (bw.CancellationPending)
{
e.Cancel = true;
break;
}
int stealthtime = Properties.Settings.Default.StealthTime / 1000;
if (stealthtime > 0)
{
if (stealthtime > 3)
{
progressBar1.ForeColor = Color.DarkGray;
}
for (int i = 0; i < stealthtime; i++)
{
Thread.Sleep(1000);
if (bw.CancellationPending)
{
e.Cancel = true;
break;
}
}
if (stealthtime > 3)
{
progressBar1.ForeColor = Color.DarkBlue;
}
}
if (scanningdialog != null)
{
realstat = (frac * ScanCountSession);
scanningdialog.SetPercentage((int)Math.Round(realstat));
Update();
}
// be sure to cancel
if (e.Cancel == true)
{
break;
}
} // foreach
if (scanningdialog != null)
{
if (scanmonitor.HasResults() || scanmonitor.HasPendingScans())
{
scanningdialog.UpdateTitleWaiting();
}
}
while (scanmonitor.HasResults() ||
(!e.Cancel && scanmonitor.HasPendingScans())
)
{
CheckAndDisplayResults(scanmonitor);
Thread.Sleep(200);
}
}
}
/// <summary>
/// This is one of the hearts of gS.
/// Like it is named, it checks the results and with them controls
/// the outer interface of the ScanMonitor. It's somehow a respectful
/// connection between the UI and the parallel scanner in the backend.
/// </summary>
/// <param name="scanmonitor">Instance of ScanMonitor while scanning.</param>
private void CheckAndDisplayResults(ScanMonitor scanmonitor)
{
if (scanmonitor.HasResults())
{
Scanner scanner = scanmonitor.GetFinishedScanner();
DorkDone dorkdone = scanner.ResultDork;
if (dorkdone == null)
{
return;
}
if (dorkdone.ScanResult == (int)RESULT_STATUS.Cancel)
{
Trace.WriteLineIf(Debug.Trace.TraceGoolag.TraceInfo, "Scan was canceled.");
dorkdone.ViewItem.ImageIndex = (int)RESULT_STATUS.Cancel;
dorkdone.ViewItem.SubItems[0].Text = rm.GetString("RES_CANCELSCAN");
dorkdone.ViewItem.SubItems[2].Text = "";
return;
}
if (dorkdone.ScanResult == (int)RESULT_STATUS.Nothing)
{
Trace.WriteLineIf(Debug.Trace.TraceGoolag.TraceInfo, "Scan returned no results.");
dorkdone.ViewItem.ImageIndex = (int)RESULT_STATUS.Nothing;
dorkdone.ViewItem.SubItems[0].Text = rm.GetString("RES_NORESULT");
dorkdone.ViewItem.SubItems[2].Text = "";
summaryStat.ScansNoResult++;
return;
}
if (dorkdone.ScanResult == (int)RESULT_STATUS.Failure)
{
dorkdone.ViewItem.ImageIndex = (int)RESULT_STATUS.Failure;
dorkdone.ViewItem.SubItems[0].Text = rm.GetString("RES_FAILED");
dorkdone.ViewItem.SubItems[2].Text = "";
summaryStat.ScansFailed++;
Trace.WriteLineIf(Debug.Trace.TraceGoolag.TraceInfo, "Scan failed.");
return;
}
if (dorkdone.ScanResult == (int)RESULT_STATUS.Blocked)
{
dorkdone.ViewItem.ImageIndex = (int)RESULT_STATUS.Blocked;
dorkdone.ViewItem.SubItems[0].Text = rm.GetString("RES_BLOCKED");
dorkdone.ViewItem.SubItems[2].Text = dorkdone.ResultURL;
summaryStat.ScansFailed++;
Trace.WriteLineIf(Debug.Trace.TraceGoolag.TraceInfo, "Scan was blocked.");
if (Properties.Settings.Default.BlockDetectMode == (int)BLOCKING_MODE.SingleAndStop)
{
int stoppedscans = scanmonitor.StopAllActive();
Trace.WriteLineIf(Debug.Trace.TraceGoolag.TraceVerbose, stoppedscans, "Scans canceled in queue");
while (scanmonitor.HasPendingScans())
{
Thread.Sleep(200);
}
}
if (Properties.Settings.Default.BlockDetectMode != (int)BLOCKING_MODE.Ignore)
{
ShowScanningDialog(false);
DialogResult dr = MessageBox.Show("Start browser to unlock block? Cancel will stop scanning.", "Block detected!", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Stop);
if (dr == DialogResult.Yes)
{
OSUtils.OpenInBrowser(dorkdone.ResultURL);
MessageBox.Show("Ready to resume?", "Resume scanning.", MessageBoxButtons.OK, MessageBoxIcon.Question);
}
else if (dr == DialogResult.Cancel)
{
int stoppedscans = scanmonitor.StopAllActive();
Trace.WriteLineIf(Debug.Trace.TraceGoolag.TraceVerbose, stoppedscans, "Scans canceled in queue");
while (scanmonitor.HasPendingScans())
{
Thread.Sleep(100);
}
StopScanning();
}
ShowScanningDialog(true);
}
return;
}
if (dorkdone.ScanResult == (int)RESULT_STATUS.ScanWithResult)
{
resultListView.Items.Remove(dorkdone.ViewItem); // remove the one that is displayed while scanning
if (scanner.Count > 0)
{
int lastIdx = 0;
DorkDone resDork = scanner.ResultDork;
DorkDone followDork = null;
if (resDork.NextPage != 0)
{
if ((resDork.NextPage / 10) < Properties.Settings.Default.RequestPages)
{
followDork = new DorkDone();
followDork = (DorkDone)resDork.Clone();
followDork.ScanResult = (int)RESULT_STATUS.WhileScan;
Scanner nextscanner = new Scanner(new ScanGoogleProvider(), followDork);
while (!scanmonitor.IsThreadAvail())
{
Thread.Sleep(300);
}
scanmonitor.Add(nextscanner);
Thread.Sleep(100);
}
}
do
{
ListViewItem lv1 = resultListView.Items.Add(rm.GetString("RES_SUCCESS"),
(int)RESULT_STATUS.ScanWithResult);
lv1.SubItems.Add(resDork.Title);
lv1.SubItems.Add(resDork.ResultURL);
lastIdx = lv1.Index;
lv1.Tag = resDork;
summaryStat.ScansSuccess++;
resDork = resDork.Next;
resultListView.EnsureVisible(lastIdx);
} while (resDork != null);
}
}
}
}