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Annotation of cleanflash/CleanFlashCommon/Uninstaller.cs, revision 1.1

1.1     ! root        1: using System;
        !             2: using System.Collections.Generic;
        !             3: using System.Diagnostics;
        !             4: using System.IO;
        !             5: using System.Linq;
        !             6: 
        !             7: namespace CleanFlashCommon {
        !             8:     public class Uninstaller {
        !             9:         private static string[] PROCESSES_TO_KILL = new string[] {
        !            10:             // Flash Center-related processes
        !            11:             "fcbrowser", "fcbrowsermanager", "fclogin", "fctips", "flashcenter",
        !            12:             "flashcenterservice", "flashcenteruninst", "flashplay", "update", "wow_helper",
        !            13:             "dummy_cmd", "flashhelperservice",
        !            14:             // Flash Player-related processes
        !            15:             "flashplayerapp", "flashplayer_sa", "flashplayer_sa_debug",
        !            16:             // Browsers that might be using Flash Player right now
        !            17:             "opera", "iexplore", "chrome", "chromium", "brave", "vivaldi", "basilisk", "msedge",
        !            18:             "seamonkey", "palemoon", "k-meleon", "plugin-container", "waterfox"
        !            19:         };
        !            20: 
        !            21:         static Uninstaller() {
        !            22:             WinAPI.AllowModifications();
        !            23:         }
        !            24: 
        !            25:         public static void UninstallRegistry() {
        !            26:             if (Environment.Is64BitOperatingSystem) {
        !            27:                 RegistryManager.ApplyRegistry(Properties.Resources.uninstallRegistry, Properties.Resources.uninstallRegistry64);
        !            28:             } else {
        !            29:                 RegistryManager.ApplyRegistry(Properties.Resources.uninstallRegistry);
        !            30:             }
        !            31:         }
        !            32: 
        !            33:         public static void DeleteTask(string task) {
        !            34:             ProcessRunner.RunUnmanagedProcess(
        !            35:                 new ProcessStartInfo {
        !            36:                     FileName = "schtasks.exe",
        !            37:                     Arguments = "/delete /tn \"" + task + "\" /f",
        !            38:                     UseShellExecute = false,
        !            39:                     CreateNoWindow = true
        !            40:                 }
        !            41:             );
        !            42:         }
        !            43: 
        !            44:         public static void StopService(string service) {
        !            45:             ProcessRunner.RunUnmanagedProcess(
        !            46:                 new ProcessStartInfo {
        !            47:                     FileName = "net.exe",
        !            48:                     Arguments = "stop \"" + service + "\"",
        !            49:                     UseShellExecute = false,
        !            50:                     CreateNoWindow = true
        !            51:                 }
        !            52:             );
        !            53:         }
        !            54: 
        !            55:         public static void DeleteService(string service) {
        !            56:             // First, stop the service.
        !            57:             StopService(service);
        !            58: 
        !            59:             ProcessRunner.RunUnmanagedProcess(
        !            60:                 new ProcessStartInfo {
        !            61:                     FileName = "sc.exe",
        !            62:                     Arguments = "delete \"" + service + "\"",
        !            63:                     UseShellExecute = false,
        !            64:                     CreateNoWindow = true
        !            65:                 }
        !            66:             );
        !            67:         }
        !            68: 
        !            69:         public static void DeleteFlashCenter() {
        !            70:             // Remove Flash Center from Program Files
        !            71:             FileUtil.WipeFolder(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ProgramFiles), "FlashCenter"));
        !            72: 
        !            73:             if (Environment.Is64BitOperatingSystem) {
        !            74:                 // Remove Flash Center from Program Files (x86)
        !            75:                 FileUtil.WipeFolder(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ProgramFilesX86), "FlashCenter"));
        !            76:             }
        !            77: 
        !            78:             // Remove start menu shortcuts
        !            79:             FileUtil.WipeFolder(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData), "Microsoft", "Windows", "Start Menu", "Programs", "Flash Center"));
        !            80: 
        !            81:             // Remove Flash Center cache and user data
        !            82:             FileUtil.WipeFolder(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "Flash_Center"));
        !            83:             
        !            84:             // Remove shared start menu shortcuts
        !            85:             FileUtil.WipeFolder(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.CommonStartMenu), "Programs", "Flash Center"));
        !            86:             FileUtil.WipeFolder(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.StartMenu), "Programs", "Flash Center"));
        !            87:             FileUtil.DeleteFile(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.StartMenu), "Flash Player.lnk"));
        !            88: 
        !            89:             // Remove Desktop shortcut
        !            90:             FileUtil.DeleteFile(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.CommonDesktopDirectory), "Flash Center.lnk"));
        !            91:             FileUtil.DeleteFile(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory), "Flash Player.lnk"));
        !            92: 
        !            93:             // Remove Flash Player from Program Files
        !            94:             FileUtil.WipeFolder(SystemInfo.GetProgramFlash32Path());
        !            95: 
        !            96:             // Remove spyware dropped by Flash Center in the temporary folder   
        !            97:             string tempFolder = Path.GetTempPath();
        !            98: 
        !            99:             foreach (string dir in Directory.GetDirectories(tempFolder)) {
        !           100:                 string parentName = Path.GetFileName(dir);
        !           101: 
        !           102:                 if (parentName.Length == 11 && parentName.EndsWith(".tmp")) {
        !           103:                     FileUtil.WipeFolder(dir);
        !           104:                 }
        !           105:             }
        !           106: 
        !           107:             // Remove Quick Launch shortcuts from Internet Explorer
        !           108:             FileUtil.RecursiveDelete(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "Microsoft", "Internet Explorer", "Quick Launch"), "Flash Center.lnk");
        !           109:         }
        !           110: 
        !           111:         public static void DeleteFlashPlayer() {
        !           112:             // Remove Macromedia folder from System32 and SysWOW64
        !           113:             foreach (string dir in SystemInfo.GetMacromedPaths()) {
        !           114:                 FileUtil.RecursiveDelete(dir);
        !           115:             }
        !           116: 
        !           117:             // Remove Flash Player control panel applications
        !           118:             foreach (string systemDir in SystemInfo.GetSystemPaths()) {
        !           119:                 FileUtil.DeleteFile(Path.Combine(systemDir, "FlashPlayerApp.exe"));
        !           120:                 FileUtil.DeleteFile(Path.Combine(systemDir, "FlashPlayerCPLApp.cpl"));
        !           121:             }
        !           122:         }
        !           123: 
        !           124:         public static void StopProcesses() {
        !           125:             // Stop all processes that might interfere with the install process
        !           126:             List<Process> processes = Process.GetProcesses()
        !           127:                 .Where(process => PROCESSES_TO_KILL.Contains(process.ProcessName.ToLower()))
        !           128:                 .OrderBy(o => o.StartTime)
        !           129:                 .ToList();
        !           130: 
        !           131:             foreach (Process process in processes) {
        !           132:                 if (process.HasExited) {
        !           133:                     // This process has already exited, no point to kill it
        !           134:                     continue;
        !           135:                 }
        !           136: 
        !           137:                 try {
        !           138:                     process.Kill();
        !           139:                     process.WaitForExit();
        !           140:                 } catch {
        !           141:                     // Could not kill process...
        !           142:                 }
        !           143:             }
        !           144:         }
        !           145: 
        !           146:         public static void Uninstall(IProgressForm form) {
        !           147:             // Uninstallation of Flash consists of the following steps:
        !           148:             // 1. Delete all auto-updater tasks.
        !           149:             // 2. Delete all Flash Player services.
        !           150:             // 3. Delete all Flash Center services.
        !           151:             // 4. Exit all browsers and other processes that may interfere with uninstallation.
        !           152:             // 5. Remove all Flash Player references from the registry.
        !           153:             // 6. Remove Flash Center files from the file system.
        !           154:             // 7. Remove Flash Player files from the file system.
        !           155: 
        !           156:             form.UpdateProgressLabel("Stopping Flash auto-updater task...", true);
        !           157:             DeleteTask("Adobe Flash Player Updater");
        !           158:             form.UpdateProgressLabel("Stopping Flash auto-updater service...", true);
        !           159:             DeleteService("AdobeFlashPlayerUpdateSvc");
        !           160:             form.UpdateProgressLabel("Stopping Flash Center services...", true);
        !           161:             DeleteService("Flash Helper Service");
        !           162:             form.TickProgress();
        !           163:             DeleteService("FlashCenterService");
        !           164: 
        !           165:             form.UpdateProgressLabel("Exiting all browsers...", true);
        !           166:             StopProcesses();
        !           167:             form.UpdateProgressLabel("Cleaning up registry...", true);
        !           168:             UninstallRegistry();
        !           169:             form.UpdateProgressLabel("Removing Flash Center...", true);
        !           170:             DeleteFlashCenter();
        !           171:             form.UpdateProgressLabel("Removing Flash Player...", true);
        !           172:             DeleteFlashPlayer();
        !           173:         }
        !           174:     }
        !           175: }

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