public static IEnumerable <ApplicationUninstallerEntry> GetApplicationsFromDrive(
IEnumerable <ApplicationUninstallerEntry> existingUninstallerEntries, GetUninstallerListCallback callback)
{
var existingUninstallers = existingUninstallerEntries as IList <ApplicationUninstallerEntry> ??
existingUninstallerEntries.ToList();
var pfDirectories = UninstallToolsGlobalConfig.GetProgramFilesDirectories(true).ToList();
// Get directories which are already used and should be skipped
var directoriesToSkip = existingUninstallers.SelectMany(x =>
{
if (!string.IsNullOrEmpty(x.DisplayIcon))
{
try
{
var iconFilename = x.DisplayIcon.Contains('.')
? ProcessTools.SeparateArgsFromCommand(x.DisplayIcon).FileName
: x.DisplayIcon;
return(new[] { x.InstallLocation, x.UninstallerLocation, PathTools.GetDirectory(iconFilename) });
}
catch
{
// Ignore invalid DisplayIcon paths
}
}
return(new[] { x.InstallLocation, x.UninstallerLocation });
}).Where(x => x.IsNotEmpty()).Select(PathTools.PathToNormalCase)
.Where(x => !pfDirectories.Any(pfd => pfd.Key.FullName.Contains(x, StringComparison.InvariantCultureIgnoreCase)))
.Distinct().ToList();
// Get sub directories which could contain user programs
var directoriesToCheck = pfDirectories.Aggregate(Enumerable.Empty <KeyValuePair <DirectoryInfo, bool?> >(),
(a, b) => a.Concat(b.Key.GetDirectories().Select(x => new KeyValuePair <DirectoryInfo, bool?>(x, b.Value))));
// Get directories that can be relatively safely checked
var inputs = directoriesToCheck.Where(x => !directoriesToSkip.Any(y =>
x.Key.FullName.Contains(y, StringComparison.InvariantCultureIgnoreCase) ||
y.Contains(x.Key.FullName, StringComparison.InvariantCultureIgnoreCase))).ToList();
var results = new List <ApplicationUninstallerEntry>();
var itemId = 0;
foreach (var directory in inputs)
{
itemId++;
var progress = new GetUninstallerListProgress(inputs.Count)
{
CurrentCount = itemId
};
callback(progress);
if (UninstallToolsGlobalConfig.IsSystemDirectory(directory.Key) ||
directory.Key.Name.StartsWith("Windows", StringComparison.InvariantCultureIgnoreCase))
{
continue;
}
//Try to get the main executable from the filtered folders. If no executables are present check subfolders.
var detectedEntries = ApplicationUninstallerFactory.TryCreateFromDirectory(directory.Key,
directory.Value);
results.AddRange(detectedEntries.Where(detected => !existingUninstallers.Any(existing =>
{
if (!string.IsNullOrEmpty(existing.DisplayName) && !string.IsNullOrEmpty(detected.DisplayNameTrimmed) &&
existing.DisplayName.Contains(detected.DisplayNameTrimmed))
{
return(!existing.IsInstallLocationValid() ||
detected.InstallLocation.Contains(existing.InstallLocation,
StringComparison.CurrentCultureIgnoreCase));
}
return(false);
})));
//if (result != null && !existingUninstallers.Any(x => x.DisplayName.Contains(result.DisplayNameTrimmed)))
// results.Add(result);
}
return(results);
}
/// <summary>
/// Search the system for valid uninstallers, parse them into coherent objects and return the resulting list.
/// </summary>
/// <exception cref="System.Security.SecurityException">
/// The user does not have the permissions required to read the
/// registry key.
/// </exception>
/// <exception cref="ObjectDisposedException">
/// The <see cref="T:Microsoft.Win32.RegistryKey" /> is closed (closed keys
/// cannot be accessed).
/// </exception>
/// <exception cref="UnauthorizedAccessException">The user does not have the necessary registry rights.</exception>
/// <exception cref="IOException">A system error occurred, for example the current key has been deleted.</exception>
public static IEnumerable <ApplicationUninstallerEntry> GetUninstallerList(GetUninstallerListCallback callback)
{
PopulateWindowsInstallerValidGuids();
var keysToCheck = GetRegistryKeys();
var uninstallersToCreate = new List <KeyValuePair <RegistryKey, bool> >();
foreach (var kvp in keysToCheck.Where(kvp => kvp.Key != null))
{
uninstallersToCreate.AddRange(from subkeyName in kvp.Key.GetSubKeyNames()
select kvp.Key.OpenSubKey(subkeyName)
into subkey
where subkey != null
select new KeyValuePair <RegistryKey, bool>(subkey, kvp.Value));
kvp.Key.Close();
}
var itemId = 0;
var applicationUninstallers = new List <ApplicationUninstallerEntry>();
foreach (var uninstallerToCreate in uninstallersToCreate)
{
try
{
var entry = ApplicationUninstallerFactory.TryCreateFromRegistry(uninstallerToCreate.Key,
uninstallerToCreate.Value);
if (entry != null)
{
applicationUninstallers.Add(entry);
}
}
catch
{
//Uninstaller is invalid or there is no uninstaller in the first place. Skip it to avoid problems.
}
finally
{
uninstallerToCreate.Key.Close();
itemId++;
var progress = new GetUninstallerListProgress(uninstallersToCreate.Count)
{
CurrentCount = itemId
};
callback(progress);
}
}
applicationUninstallers.AddRange(ApplicationUninstallerFactory.GetStoreApps());
if (ApplicationUninstallerFactory.SteamHelperIsAvailable)
{
var steamAppsOnDisk = ApplicationUninstallerFactory.GetSteamApps().ToList();
foreach (var steamApp in applicationUninstallers.Where(x => x.UninstallerKind == UninstallerType.Steam))
{
var toRemove = steamAppsOnDisk.FindAll(x => x.InstallLocation.Equals(steamApp.InstallLocation, StringComparison.InvariantCultureIgnoreCase));
steamAppsOnDisk.RemoveAll(toRemove);
ApplicationUninstallerFactory.ChangeSteamAppUninstallStringToHelper(steamApp);
if (steamApp.EstimatedSize.IsDefault() && toRemove.Any())
{
steamApp.EstimatedSize = toRemove.First().EstimatedSize;
}
}
foreach (var steamApp in steamAppsOnDisk)
{
ApplicationUninstallerFactory.ChangeSteamAppUninstallStringToHelper(steamApp);
}
applicationUninstallers.AddRange(steamAppsOnDisk);
}
applicationUninstallers.AddRange(ApplicationUninstallerFactory.GetSpecialUninstallers(applicationUninstallers));
// Fill in missing information
foreach (var applicationUninstaller in applicationUninstallers)
{
if (applicationUninstaller.IconBitmap == null)
{
string iconPath;
applicationUninstaller.IconBitmap = ApplicationUninstallerFactory.TryGetIcon(
applicationUninstaller, out iconPath);
applicationUninstaller.DisplayIcon = iconPath;
}
if (applicationUninstaller.InstallDate.IsDefault() &&
Directory.Exists(applicationUninstaller.InstallLocation))
{
applicationUninstaller.InstallDate =
Directory.GetCreationTime(applicationUninstaller.InstallLocation);
}
}
return(applicationUninstallers);
}
