/// <summary>
/// Searches the registry to get a list of installed apps on the computer.
/// </summary>
/// <returns>Returns a list of "Application".</returns>
public static List<Application> GetInstalledApplications()
{
//Retrieve installed application details:
//Name, VendorName, Version, InstallDate
var regReader = new RegistryReader();
var installedApps = new List<Application>();
Logger.Log("Retrieving installed applications.");
try
{
var myreg = regReader.GetAllInstalledApplicationDetails();
foreach (var x in myreg.Where(p => p.Name != ""))
{
var app = new Application();
app.VendorName = (String.IsNullOrEmpty(x.VendorName) ? String.Empty : x.VendorName);
app.Name = (String.IsNullOrEmpty(x.Name) ? String.Empty : x.Name);
app.Version = (String.IsNullOrEmpty(x.Version) ? String.Empty : x.Version);
try
{
app.InstallDate = Convert.ToDouble(x.Date);
}
catch (Exception)
{
app.InstallDate = 0.0;
}
app.Status = "Installed";
Logger.Log(app.Name, LogLevel.Info);
installedApps.Add(app);
}
}
catch (Exception e)
{
Logger.Log("Failed to get installed application details. Skipping.", LogLevel.Error);
Logger.LogException(e);
}
return installedApps;
}
public UninstallerResults Uninstall(Application update)
{
var results = new UninstallerResults();
switch (_winVersion)
{
case NTVersion.Server2003:
case NTVersion.Xp:
results = WinNT51_52Procedure(update);
break;
case NTVersion.VistaServer2008:
results = WinNT60Procedure(update);
break;
case NTVersion.SevenServer2008R2:
results = WinNT61Procedure(update);
break;
case NTVersion.EightServer2012:
results = WinNT61Procedure(update);
break;
}
return results;
}
private static Application ConvertToApplication(IUpdate iUpdate, IEnumerable history = null, bool isWsusEnabled = false)
{
var tpUpdate = new Application();
string vendorId;
// If a vendor Id is not provided, we create one for it.
if ((iUpdate.Identity.UpdateID == null) || (iUpdate.Identity.UpdateID.Equals(String.Empty)))
vendorId = Guid.NewGuid().ToString();
else
vendorId = iUpdate.Identity.UpdateID;
tpUpdate.Name = iUpdate.Title;
tpUpdate.VendorName = "Microsoft";
tpUpdate.VendorId = vendorId;
tpUpdate.Description = iUpdate.Description;
tpUpdate.SupportUrl = (iUpdate.MoreInfoUrls.Count <= 0) ? Settings.EmptyValue : iUpdate.MoreInfoUrls[0];
tpUpdate.VendorSeverity = iUpdate.MsrcSeverity ?? Settings.EmptyValue;
tpUpdate.KB = GetKbString(iUpdate.Title);
tpUpdate.InstallDate = GetDateInstalled(history, iUpdate.Identity.UpdateID);
tpUpdate.ReleaseDate = Tools.ConvertDateToEpoch(iUpdate.LastDeploymentChangeTime.ToString("yyyyMMdd"));
tpUpdate.Status = iUpdate.IsInstalled ? "Installed" : "Available";
switch (iUpdate.InstallationBehavior.RebootBehavior)
{
case InstallationRebootBehavior.irbAlwaysRequiresReboot:
tpUpdate.RebootRequired = "yes";
break;
case InstallationRebootBehavior.irbCanRequestReboot:
tpUpdate.RebootRequired = "possible";
break;
case InstallationRebootBehavior.irbNeverReboots:
tpUpdate.RebootRequired = "no";
break;
}
var bundlesForUpdate = GetAllUpdates(iUpdate, isWsusEnabled);
if (!iUpdate.IsInstalled)
Operations.SaveAvailableUpdateToDisk(iUpdate.Identity.UpdateID, bundlesForUpdate);
foreach (var item in bundlesForUpdate)
{
tpUpdate.FileData.AddRange(item.Value);
}
return tpUpdate;
}
/// <summary>
/// Uninstall updates on Windows XP & Windows Server 2003 & R2.
/// </summary>
/// <param name="update">Update to uninstall.</param>
private UninstallerResults WinNT51_52Procedure(Application update)
{
UninstallerResults results;
// Arguments used by "spuninst.exe"
const string noGui = "/quiet";
const string noRestart = "/norestart";
var arguments = String.Format("{0} {1}", noGui, noRestart);
// Process that's going to run the uninstalltion application
var keys = ParseWinNT51_52Keys();
if (!keys.ContainsKey(update.KB))
{
results = ProcessUninstallerResults(WindowsExitCode.UpdateNotFound);
return results;
}
var spuninstProcess = keys[update.KB].ToString(CultureInfo.InvariantCulture);
var exitCode = WindowsProcess(spuninstProcess, arguments);
results = ProcessUninstallerResults(exitCode);
return results;
}
/// <summary>
/// Uninstall updates on Windows 7 & Windows Server 2008 R2. (6.1)
/// </summary>
/// <param name="update">Update to uninstall.</param>
private static UninstallerResults WinNT61Procedure(Application update)
{
// TODO: NOT FULLY BAKED!!!! Doesn't check registry for updates that could be there.
IEnumerable<WindowsUpdates.QfeData> qfeList = WindowsUpdates.QueryWmiHotfixes();
var temp = new UninstallerResults();
foreach (WindowsUpdates.QfeData qfe in qfeList)
{
try
{
if (qfe.HotFixId.Equals(update.KB))
{
return WusaProcess(update.KB);
}
}
catch (Exception)
{
temp.Message = "This update does not appear to be Uninstallable. Unable to remove.";
temp.Success = false;
temp.Restart = false;
temp.ExitCode = WindowsExitCode.NotAllowed; //TODO: HARDCODED :) MUAHAHAHA. MUST FIX!
}
}
return temp;
}
/// <summary>
/// Uninstall updates on Windows Vista & Windows Server 2008.
/// </summary>
/// <param name="update">Update to uninstall.</param>
private static UninstallerResults WinNT60Procedure(Application update)
{
UninstallerResults results;
Logger.Log("In WinNT60Procedure.");
var cabFilePath = FindCabFile(update.KB);
if (cabFilePath == null)
{
results = ProcessUninstallerResults(WindowsExitCode.UpdateNotFound);
return results;
}
// Arguments used by "pkgmgr.exe"
const string noGui = "/quiet";
const string noRestart = "/norestart";
// /up is the uninstall command. /s is a temp sandbox directory where to unpack the CAB file.
var arguments = String.Format(@"/m:{0} /up /s:{1} {2} {3}", cabFilePath, Path.Combine(Path.GetTempPath(), update.KB), noGui, noRestart);
var exitCode = WindowsProcess("pkgmgr.exe", arguments);
results = ProcessUninstallerResults(exitCode);
return results;
}
