public List <string> GetMatchingFiles()
{
var path = Path.Combine(
Environment.GetEnvironmentVariable("AppData"),
"Microsoft",
"Windows",
"Recent"
);
List <string> result = new List <string>();
var files = Directory.EnumerateFiles(path, "*.lnk");
foreach (var file in files)
{
// Typically happens with pendrives. Maybe we should treat this as a "Yes, please filter"?
// Have a separate option to always delete no
if (!File.Exists(file))
{
Logger.Debug($"File {file} does not exist, skipping..");
continue;
}
string target;
try {
target = LinkUtil.GetLnkTarget(_shell, file);
}
catch (COMException ex) {
if (LinkUtil.IsMissingDriveException(ex))
{
if (_filterMissingDrives)
{
result.Add(file);
}
continue;
}
else
{
throw;
}
}
foreach (var filter in _masks)
{
var doFilter = target.StartsWith(filter, StringComparison.OrdinalIgnoreCase);
if (doFilter)
{
result.Add(file);
break;
}
}
}
return(result);
}
private bool ContainsPattern(CFStorage storage, string fileName)
{
var stream = storage.GetStream(fileName);
var data = stream.GetData();
if (data.Length == 0)
{
Logger.Debug($"Ignoring \"{fileName}\", len: 0");
return(false);
}
foreach (var pattern in _masks)
{
try {
var target = GetLnkTarget(data);
if (target.ToLowerInvariant().StartsWith(pattern.ToLowerInvariant()))
{
Logger.Debug($"Target \"{target}\" matches pattern \"{pattern}\"");
return(true);
}
else if (string.Empty.Equals(target))
{
Logger.Debug($"Target \"{target}\" ignored, not a lnk file");
}
}
catch (System.Runtime.InteropServices.COMException ex) {
if (LinkUtil.IsMissingDriveException(ex))
{
Logger.Debug($"Target drive does not exist, marking for deletion");
return(true);
}
else
{
Logger.Debug($"Target ignored, not a lnk file");
}
}
/*if (ContainsSubstring(data, pattern)) {
* return true;
* }*/
}
return(false);
}
