Initial commit

CleanFlashCommon/Uninstaller.cs

@@ -0,0 +1,166 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+
+namespace CleanFlashCommon {
+    public class Uninstaller {
+        private static string[] PROCESSES_TO_KILL = new string[] {
+            // Flash Center-related processes
+            "fcbrowser", "fcbrowsermanager", "fclogin", "fctips", "flashcenter",
+            "flashcenterservice", "flashcenteruninst", "flashplay", "update", "wow_helper",
+            "dummy_cmd", "flashhelperservice",
+            // Flash Player-related processes
+            "flashplayerapp",
+            // Browsers that might be using Flash Player right now
+            "opera", "iexplore", "chrome", "chromium", "brave", "vivaldi", "basilisk", "msedge",
+            "seamonkey", "palemoon", "plugin-container"
+        };
+
+        public static void UninstallRegistry() {
+            if (Environment.Is64BitOperatingSystem) {
+                RegistryManager.ApplyRegistry(Properties.Resources.uninstallRegistry, Properties.Resources.uninstallRegistry64);
+            } else {
+                RegistryManager.ApplyRegistry(Properties.Resources.uninstallRegistry);
+            }
+        }
+
+        public static void DeleteTask(string task) {
+            ProcessRunner.RunUnmanagedProcess(
+                new ProcessStartInfo {
+                    FileName = "schtasks.exe",
+                    Arguments = "/delete /tn \"" + task + "\" /f",
+                    UseShellExecute = false,
+                    CreateNoWindow = true
+                }
+            );
+        }
+
+        public static void StopService(string service) {
+            ProcessRunner.RunUnmanagedProcess(
+                new ProcessStartInfo {
+                    FileName = "net.exe",
+                    Arguments = "stop \"" + service + "\"",
+                    UseShellExecute = false,
+                    CreateNoWindow = true
+                }
+            );
+        }
+
+        public static void DeleteService(string service) {
+            // First, stop the service.
+            StopService(service);
+
+            ProcessRunner.RunUnmanagedProcess(
+                new ProcessStartInfo {
+                    FileName = "sc.exe",
+                    Arguments = "delete \"" + service + "\"",
+                    UseShellExecute = false,
+                    CreateNoWindow = true
+                }
+            );
+        }
+
+        public static void DeleteFlashCenter() {
+            // Remove Flash Center from Program Files
+            FileUtil.RecursiveDelete(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ProgramFiles), "FlashCenter"));
+
+            if (Environment.Is64BitOperatingSystem) {
+                // Remove Flash Center from Program Files (x86)
+                FileUtil.RecursiveDelete(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ProgramFilesX86), "FlashCenter"));
+            }
+
+            // Remove start menu shortcuts
+            FileUtil.RecursiveDelete(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData), "Microsoft", "Windows", "Start Menu", "Programs", "Flash Center"));
+
+            // Remove Flash Center cache and user data
+            FileUtil.RecursiveDelete(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "Flash_Center"));
+            
+            // Remove shared start menu shortcuts
+            FileUtil.RecursiveDelete(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.CommonStartMenu), "Programs", "Flash Center"));
+            FileUtil.RecursiveDelete(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.StartMenu), "Programs", "Flash Center"));
+            
+            // Remove Desktop shortcut
+            FileUtil.DeleteFile(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.CommonDesktopDirectory), "Flash Center.lnk"));
+
+            // Remove spyware dropped by Flash Center in the temporary folder
+            string tempFolder = Path.GetTempPath();
+
+            foreach (string dir in Directory.GetDirectories(tempFolder)) {
+                string parentName = Path.GetFileName(dir);
+
+                if (parentName.Length == 11 && parentName.EndsWith(".tmp")) {
+                    FileUtil.RecursiveDelete(dir);
+                }
+            }
+
+            // Remove Quick Launch shortcuts from Internet Explorer
+            FileUtil.RecursiveDelete(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "Microsoft", "Internet Explorer", "Quick Launch"), "Flash Center.lnk");
+        }
+
+        public static void DeleteFlashPlayer() {
+            // Remove Macromedia folder from System32 and SysWOW64
+            foreach (string dir in SystemInfo.GetMacromedPaths()) {
+                FileUtil.RecursiveDelete(dir);
+            }
+
+            // Remove Flash Player control panel applications
+            foreach (string systemDir in SystemInfo.GetSystemPaths()) {
+                FileUtil.DeleteFile(Path.Combine(systemDir, "FlashPlayerApp.exe"));
+                FileUtil.DeleteFile(Path.Combine(systemDir, "FlashPlayerCPLApp.cpl"));
+            }
+        }
+
+        public static void StopProcesses() {
+            // Stop all processes that might interfere with the install process
+            List<Process> processes = Process.GetProcesses()
+                .Where(process => PROCESSES_TO_KILL.Contains(process.ProcessName.ToLower()))
+                .OrderBy(o => o.StartTime)
+                .ToList();
+
+            foreach (Process process in processes) {
+                if (process.HasExited) {
+                    // This process has already exited, no point to kill it
+                    continue;
+                }
+
+                try {
+                    process.Kill();
+                    process.WaitForExit();
+                } catch {
+                    // Could not kill process...
+                }
+            }
+        }
+
+        public static void Uninstall(IProgressForm form) {
+            // Uninstallation of Flash consists of the following steps:
+            // 1. Delete all auto-updater tasks.
+            // 2. Delete all Flash Player services.
+            // 3. Delete all Flash Center services.
+            // 4. Exit all browsers and other processes that may interfere with uninstallation.
+            // 5. Remove all Flash Player references from the registry.
+            // 6. Remove Flash Center files from the file system.
+            // 7. Remove Flash Player files from the file system.
+
+            form.UpdateProgressLabel("Stopping Flash auto-updater task...", true);
+            DeleteTask("Adobe Flash Player Updater");
+            form.UpdateProgressLabel("Stopping Flash auto-updater service...", true);
+            DeleteService("AdobeFlashPlayerUpdateSvc");
+            form.UpdateProgressLabel("Stopping Flash Center services...", true);
+            DeleteService("Flash Helper Service");
+            form.TickProgress();
+            DeleteService("FlashCenterService");
+
+            form.UpdateProgressLabel("Exiting all browsers...", true);
+            StopProcesses();
+            form.UpdateProgressLabel("Cleaning up registry...", true);
+            UninstallRegistry();
+            form.UpdateProgressLabel("Removing Flash Center...", true);
+            DeleteFlashCenter();
+            form.UpdateProgressLabel("Removing Flash Player...", true);
+            DeleteFlashPlayer();
+        }
+    }
+}