// TODO overhaul
private DriveJunkNode GetJunkNodeFromLocation(string directory)
{
try
{
var dirInfo = new DirectoryInfo(directory);
if (dirInfo.FullName.Contains(FullWindowsDirectoryName) || !dirInfo.Exists || dirInfo.Parent == null)
{
return(null);
}
var newNode = new DriveDirectoryJunkNode(Path.GetDirectoryName(directory),
Path.GetFileName(directory), Uninstaller.DisplayName);
newNode.Confidence.Add(ConfidencePart.ExplicitConnection);
if (CheckAgainstOtherInstallers(dirInfo))
{
newNode.Confidence.Add(ConfidencePart.DirectoryStillUsed);
}
return(newNode);
}
catch
{
return(null);
}
}
private IEnumerable <DriveJunkNode> GetUninstallerJunk()
{
if (!File.Exists(Uninstaller.UninstallerFullFilename))
{
return(Enumerable.Empty <DriveJunkNode>());
}
DriveJunkNode result;
switch (Uninstaller.UninstallerKind)
{
case UninstallerType.InstallShield:
var target = Path.GetDirectoryName(Uninstaller.UninstallerFullFilename);
result = new DriveDirectoryJunkNode(Path.GetDirectoryName(target),
Path.GetFileName(target), Uninstaller.DisplayName);
break;
case UninstallerType.InnoSetup:
case UninstallerType.Msiexec:
case UninstallerType.Nsis:
result = new DriveFileJunkNode(Path.GetDirectoryName(Uninstaller.UninstallerFullFilename),
Path.GetFileName(Uninstaller.UninstallerFullFilename), Uninstaller.DisplayName);
break;
default:
return(Enumerable.Empty <DriveJunkNode>());
}
result.Confidence.Add(ConfidencePart.ExplicitConnection);
return(new[] { result });
}
private IEnumerable <DriveJunkNode> SearchWerReports()
{
var output = new List <DriveJunkNode>();
if (!Directory.Exists(Uninstaller.InstallLocation))
{
return(output);
}
List <string> appExecutables;
try
{
appExecutables = Directory.GetFiles(Uninstaller.InstallLocation, "*.exe", SearchOption.AllDirectories)
.Select(Path.GetFileName).ToList();
}
catch (UnauthorizedAccessException ex)
{
Console.WriteLine(ex);
return(Enumerable.Empty <DriveJunkNode>());
}
var archives = new[]
{
WindowsTools.GetEnvironmentPath(Klocman.Native.CSIDL.CSIDL_COMMON_APPDATA),
WindowsTools.GetEnvironmentPath(Klocman.Native.CSIDL.CSIDL_LOCAL_APPDATA)
}.Select(x => Path.Combine(x, @"Microsoft\Windows\WER\ReportArchive")).Where(Directory.Exists);
const string crashLabel = "AppCrash_";
var candidates = archives.SelectMany(s =>
{
try
{
return(Directory.GetDirectories(s));
}
catch (IOException e)
{
Debug.WriteLine(e.Message);
}
catch (UnauthorizedAccessException e)
{
Debug.WriteLine(e.Message);
}
return(Enumerable.Empty <string>());
});
foreach (var candidate in candidates)
{
var startIndex = candidate.IndexOf(crashLabel, StringComparison.InvariantCultureIgnoreCase);
if (startIndex <= 0)
{
continue;
}
startIndex = startIndex + crashLabel.Length;
var count = candidate.IndexOf('_', startIndex) - startIndex;
if (count <= 1)
{
continue;
}
var filename = candidate.Substring(startIndex, count);
if (appExecutables.Any(x => x.StartsWith(filename, StringComparison.InvariantCultureIgnoreCase)))
{
var node = new DriveDirectoryJunkNode(Path.GetDirectoryName(candidate), Path.GetFileName(candidate),
Uninstaller.DisplayName);
node.Confidence.Add(ConfidencePart.ExplicitConnection);
output.Add(node);
}
}
return(output);
}
private IEnumerable <DriveJunkNode> FindJunkRecursively(DirectoryInfo directory, int level = 0)
{
var results = new List <DriveJunkNode>();
try
{
var dirs = directory.GetDirectories();
foreach (var dir in dirs)
{
if (UninstallToolsGlobalConfig.IsSystemDirectory(dir))
{
continue;
}
var generatedConfidence = GenerateConfidence(dir.Name, directory.FullName, level).ToList();
DriveJunkNode newNode = null;
if (generatedConfidence.Any())
{
newNode = new DriveDirectoryJunkNode(directory.FullName, dir.Name, Uninstaller.DisplayName);
newNode.Confidence.AddRange(generatedConfidence);
if (CheckAgainstOtherInstallers(dir))
{
newNode.Confidence.Add(ConfidencePart.DirectoryStillUsed);
}
results.Add(newNode);
}
if (level >= 1)
{
continue;
}
var junkNodes = FindJunkRecursively(dir, level + 1).ToList();
results.AddRange(junkNodes);
if (newNode != null)
{
// Check if the directory will have nothing left after junk removal.
if (!dir.GetFiles().Any())
{
var subDirs = dir.GetDirectories();
if (!subDirs.Any() || subDirs.All(d => junkNodes.Any(y => PathTools.PathsEqual(d.FullName, y.FullName))))
{
newNode.Confidence.Add(ConfidencePart.AllSubdirsMatched);
}
}
}
}
}
catch
{
if (Debugger.IsAttached)
{
throw;
}
}
return(results);
}