private void Explorer_OnFileCarverCompleted(object sender, EventArgs e)
{
FileCarverResults results = (FileCarverResults)e;
fileCarver = results.carver;
CreateCarverView(fileCarver);
}
private async void runFileCarverToolStripMenuItem_Click(object sender, EventArgs e)
{
// TODO: Make into a user controlled setting
var searchLength = this.volume.FileAreaLength;
var searchInterval = Properties.Settings.Default.FileCarverInterval;
taskRunner.Maximum = searchLength;
taskRunner.Interval = (long)searchInterval;
FileCarver carver = new FileCarver(this.volume, searchInterval, searchLength);
var numBlocks = searchLength / (long)searchInterval;
await taskRunner.RunTaskAsync("File Carver",
// Task
(CancellationToken cancellationToken, IProgress <int> progress) =>
{
carver.Analyze(cancellationToken, progress);
},
// Progress Update
(int progress) =>
{
//var progress = carver.GetProgress();
taskRunner.UpdateLabel($"Processing block {progress}/{numBlocks}");
taskRunner.UpdateProgress(progress);
},
// On Task Completion
() =>
{
OnFileCarverCompleted?.Invoke(this, new FileCarverResults()
{
carver = carver
});
});
}
public PartitionDatabase(Volume volume)
{
this.volume = volume;
this.metadataAnalyzer = false;
this.fileCarver = null;
this.fileDatabase = new FileDatabase(volume);
}
public CarverResults(FileCarver analyzer, TaskRunner taskRunner)
{
InitializeComponent();
this._analyzer = analyzer;
this._volume = analyzer.GetVolume();
this.taskRunner = taskRunner;
PopulateResultsList(analyzer.GetCarvedFiles());
}
public void CreateCarverView(FileCarver carver)
{
if (carverResultsPage != null)
{
tabControl1.TabPages.Remove(carverResultsPage);
}
partitionDatabase.SetFileCarver(carver);
carverResultsPage = new TabPage("Carver View");
CarverResults carverResults = new CarverResults(carver, this.taskRunner);
carverResults.Dock = DockStyle.Fill;
carverResultsPage.Controls.Add(carverResults);
tabControl1.TabPages.Add(carverResultsPage);
tabControl1.SelectedTab = carverResultsPage;
}
public void LoadFromJson(JsonElement partitionElement)
{
// We are loading a new database so clear previous results
fileDatabase.Reset();
// Find the Analysis element, which contains analysis results
JsonElement analysisElement;
if (!partitionElement.TryGetProperty("Analysis", out analysisElement))
{
var name = partitionElement.GetProperty("Name").GetString();
throw new FileLoadException($"Database: Partition ${name} is missing Analysis object!");
}
if (analysisElement.TryGetProperty("MetadataAnalyzer", out var metadataAnalysisList))
{
// Loads the files from the json into the FileDatabase
// Only post the results if there actually was any
if (LoadFromDatabase(metadataAnalysisList))
{
OnLoadRecoveryFromDatabase?.Invoke(null, null);
// Mark that analysis was done
this.metadataAnalyzer = true;
}
else
{
// Element was there but no analysis results were loaded
this.metadataAnalyzer = false;
}
}
if (analysisElement.TryGetProperty("FileCarver", out var fileCarverList))
{
// TODO: We will begin replacing this when we start work on customizable "CarvedFiles"
var analyzer = new FileCarver(this.volume, FileCarverInterval.Cluster, this.volume.Length);
analyzer.LoadFromDatabase(fileCarverList);
if (analyzer.GetCarvedFiles().Count > 0)
{
view.CreateCarverView(analyzer);
this.fileCarver = analyzer;
}
}
}
public void SetFileCarver(FileCarver fileCarver)
{
this.fileCarver = fileCarver;
}
