na-get-lib/NaGet.Packages.Install/RegistriedUninstallers.cs

   1 using System;\r
   2 using System.Collections.Generic;\r
   3 using System.Text.RegularExpressions;\r
   4 using Microsoft.Win32;\r
   5 \r
   6 namespace NaGet.Packages.Install\r
   7 {\r
   8         /// <summary>\r
   9         /// レジストリ登録されているアンインストーラに関するユーティリティ\r
  10         /// </summary>\r
  11         public sealed class RegistriedUninstallers\r
  12         {\r
  13                 /// <summary>\r
  14                 /// アンインストーラのレジストリの格納されているルートキーの文字列表現\r
  15                 /// </summary>\r
  16                 public const string UninstallersKey = @"SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall";\r
  17                 \r
  18                 /// <summary>\r
  19                 /// アンインストーラのレジストリの格納されているルートキーの文字列表現\r
  20                 /// </summary>\r
  21                 public const string UninstallersKeyWow6432 = @"SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall";\r
  22                 \r
  23                 /// <summary>\r
  24                 /// アンインストーラのレジストリのキーを返す。\r
  25                 /// </summary>\r
  26                 public static IEnumerable<RegistryKey> RegistryKeies {\r
  27                         get {\r
  28                                 RegistryKey key = null;\r
  29                                 \r
  30                                 // HKLM\r
  31                                 \r
  32                                 // UninstallersKey\r
  33                                 try {\r
  34                                         key = Registry.LocalMachine.OpenSubKey(UninstallersKey, false);\r
  35                                 } catch (System.Security.SecurityException) {\r
  36                                 } \r
  37                                 if (key != null) {\r
  38                                         yield return key;\r
  39                                         key.Close();\r
  40                                 }\r
  41                                 \r
  42                                 // UninstallersKeyWow6432\r
  43                                 try {\r
  44                                         key = Registry.LocalMachine.OpenSubKey(UninstallersKeyWow6432, false);\r
  45                                 } catch (System.Security.SecurityException) {\r
  46                                 } \r
  47                                 if (key != null) {\r
  48                                         yield return key;\r
  49                                         key.Close();\r
  50                                 }\r
  51                                 \r
  52                                 // HKCU\r
  53                                 \r
  54                                 // UninstallersKey\r
  55                                 try {\r
  56                                         key = Registry.CurrentUser.OpenSubKey(UninstallersKey, false);\r
  57                                 } catch (System.Security.SecurityException) {\r
  58                                 } \r
  59                                 if (key != null) {\r
  60                                         yield return key;\r
  61                                         key.Close();\r
  62                                 }\r
  63                                 \r
  64                                 // UninstallersKeyWow6432\r
  65                                 try {\r
  66                                         key = Registry.CurrentUser.OpenSubKey(UninstallersKeyWow6432, false);\r
  67                                 } catch (System.Security.SecurityException) {\r
  68                                 } \r
  69                                 if (key != null) {\r
  70                                         yield return key;\r
  71                                         key.Close();\r
  72                                 }\r
  73                         }\r
  74                 }\r
  75         \r
  76                 \r
  77                 /// <summary>\r
  78                 /// アンインストーラをイテレートする\r
  79                 /// </summary>\r
  80                 public static IEnumerable<UninstallInformation> Uninstallers {\r
  81                         get {\r
  82                                 foreach (RegistryKey regkey in RegistryKeies) {\r
  83                                         foreach (string key in regkey.GetSubKeyNames()) {\r
  84                                                 UninstallInformation info;\r
  85                                                 using (RegistryKey subregkey = regkey.OpenSubKey(key, false)) {\r
  86                                                         info = UninstallInformation.NewInstance(subregkey);\r
  87                                                 }\r
  88                                                 \r
  89                                                 if (info.IsOSPatch || info.IsSystemComponent || string.IsNullOrEmpty(info.DisplayName) ) {\r
  90                                                         continue;\r
  91                                                 }\r
  92                                                 \r
  93                                                 yield return info;\r
  94                                         }\r
  95                                 }\r
  96                         }\r
  97                 }\r
  98                 \r
  99                 /// <summary>\r
 100                 /// レジストリを走査してインストール済みのソフトを検出する\r
 101                 /// </summary>\r
 102                 /// <param name="list">\r
 103                 /// 参照するパッケージリスト\r
 104                 /// </param>\r
 105                 /// <returns>\r
 106                 /// インストール済みのパッケージを返すイテレータ\r
 107                 /// </returns>\r
 108                 public static IEnumerable<InstalledPackage> DetectInstalledPackages(PackageList<Package> pkgList)\r
 109                 {\r
 110                         foreach (UninstallInformation info in RegistriedUninstallers.Uninstallers) {\r
 111                                 foreach (Package pkg in pkgList) {\r
 112                                         if (pkg.Type != InstallerType.ARCHIVE && pkg.UninstallerKey != null) {\r
 113                                                 Match match = Regex.Match(info.DisplayName, pkg.UninstallerKey);\r
 114                                                 \r
 115                                                 if (match.Success) {\r
 116                                                         yield return InstalledPackage.PackageConverter(pkg, info);\r
 117                                                         \r
 118                                                         break;\r
 119                                                 }\r
 120                                         }// else continue;\r
 121                                 }\r
 122                         }\r
 123                 }\r
 124                 \r
 125                 /// <summary>\r
 126                 /// パッケージに対応するインストールパッケージを返す。\r
 127                 /// インストール終了確認などに使用。\r
 128                 /// </summary>\r
 129                 /// <param name="pkg">対応するパッケージ</param>\r
 130                 /// <returns>インストール情報</returns>\r
 131                 public static InstalledPackage GetInstalledPackageFor(Package pkg)\r
 132                 {\r
 133                         if (pkg.Type == InstallerType.ARCHIVE || pkg.Type == InstallerType.CANNOT_INSTALL) {\r
 134                                 return null;\r
 135                         }\r
 136                         \r
 137                         foreach (UninstallInformation info in RegistriedUninstallers.Uninstallers) {\r
 138                                 Match match = Regex.Match(info.DisplayName, pkg.UninstallerKey);\r
 139                                 \r
 140                                 if (match.Success) {\r
 141                                         return InstalledPackage.PackageConverter(pkg, info);\r
 142                                 }\r
 143                         }\r
 144                         return null;\r
 145                 }\r
 146         }\r
 147 }\r