na-get-lib/NaGet/Env.cs

   1 using System;\r
   2 using System.IO;\r
   3 using System.Net;\r
   4 \r
   5 namespace NaGet\r
   6 {\r
   7         /// <summary>\r
   8         /// 環境変数などを取り扱うクラス\r
   9         /// </summary>\r
  10         public sealed class Env\r
  11         {               \r
  12                 /// <summary>\r
  13                 /// 呼び出し禁止\r
  14                 /// </summary>\r
  15                 private Env()\r
  16                 {\r
  17                 }\r
  18                 \r
  19                 #region pref.xml関連\r
  20                 \r
  21                 /// <summary>\r
  22                 /// 設定を格納\r
  23                 /// </summary>\r
  24                 private static NaGetLibPref pref;\r
  25                 \r
  26                 /// <summary>\r
  27                 /// 設定（のクローンオブジェクト）を返す。\r
  28                 /// </summary>\r
  29                 public static NaGetLibPref Pref {\r
  30                         get {\r
  31                                 NaGetLibPref prefCopied = new NaGetLibPref();\r
  32                                 \r
  33                                 if (pref == null) {\r
  34                                         LoadPref();\r
  35                                 }\r
  36                                 NaGet.Utils.FieldCopy(pref, ref prefCopied);\r
  37                                 \r
  38                                 return prefCopied;\r
  39                         }\r
  40                 }\r
  41                 \r
  42                 /// <summary>\r
  43                 /// 設定ファイルのある場所を取得する\r
  44                 /// </summary>\r
  45                 public static string PrefPath {\r
  46                         get {\r
  47                                 return Path.Combine(Environment.CurrentDirectory, "pref.xml");\r
  48                         }\r
  49                 }\r
  50                 \r
  51                 /// <summary>\r
  52                 /// 設定ファイルを読み込む。または再読み込みする。\r
  53                 /// </summary>\r
  54                 public static void LoadPref()\r
  55                 {\r
  56                         string path = PrefPath;\r
  57                         try {\r
  58                                 if (! File.Exists(path)) throw new FileNotFoundException(string.Empty, path);\r
  59                                 pref = NaGet.Utils.GetDeserializedObject<NaGetLibPref>(path);\r
  60                         } catch(Exception) {\r
  61                                 pref = new NaGetLibPref();\r
  62                         }\r
  63                 }\r
  64                 \r
  65                 \r
  66                 #endregion\r
  67 \r
  68                 #region ファイルパス\r
  69                 \r
  70                 /// <summary>\r
  71                 /// ファイルリスト提供レポジトリリストのファイル\r
  72                 /// </summary>\r
  73                 public static readonly string RepositoriesListFile = "repos.list.xml";\r
  74 \r
  75                 /// <summary>\r
  76                 /// ファイルリストから読み込まれたパッケージのリストファイル\r
  77                 /// </summary>\r
  78                 public static readonly string PackageListFile = "packages.list.xml";\r
  79 \r
  80                 /// <summary>\r
  81                 /// 本ソフトウェアを介してインストールされたパッケージのリストファイル\r
  82                 /// </summary>\r
  83                 public static readonly string ArchiveInstalledPackageListFile = "packages.envinstalled.xml";\r
  84 \r
  85                 /// <summary>\r
  86                 /// システムから検出されたパッケージのリストファイル\r
  87                 /// </summary>\r
  88                 public static readonly string SystemInstalledPackageListFile = "packages.sysinstalled.xml";\r
  89                 \r
  90                 /// <summary>\r
  91                 /// インストールログファイル\r
  92                 /// </summary>\r
  93                 public static readonly string SystemInstalledPackageLogFile = "packages.sysinstalled.log.xml";\r
  94                 \r
  95                 /// <summary>\r
  96                 /// アプリケーションデータを保存するフォルダーのパス\r
  97                 /// </summary>\r
  98                 public static string AppDataFolderPath\r
  99                 {\r
 100                         get {\r
 101                                 if (pref == null) LoadPref();\r
 102                                 \r
 103                                 if (! string.IsNullOrEmpty(pref.AppDataFolder)) {\r
 104                                         return pref.AppDataFolder;\r
 105                                 }\r
 106                                 \r
 107                                 return Environment.CurrentDirectory;\r
 108                         }\r
 109                 }\r
 110 \r
 111                 /// <summary>\r
 112                 /// インストーラーの一時置き場の親ディレクトリ\r
 113                 /// </summary>\r
 114                 public static string ArchiveFolderPath\r
 115                 {\r
 116                         get {\r
 117                                 if (pref == null) LoadPref();\r
 118 \r
 119                                 if (! string.IsNullOrEmpty(pref.CacheFolder)) {\r
 120                                         return pref.CacheFolder;\r
 121                                 }\r
 122                                 \r
 123                                 return Path.Combine(AppDataFolderPath, "Cache");\r
 124                         \r
 125                         }\r
 126                 }\r
 127                 \r
 128                 /// <summary>\r
 129                 /// アーカイバ方式のパッケージのインストール先フォルダー\r
 130                 /// </summary>\r
 131                 public static string ArchiveProgramFiles {\r
 132                         get {\r
 133                                 return Path.Combine(AppDataFolderPath, "progs");\r
 134                         }\r
 135                 }\r
 136                 \r
 137                 /// <summary>\r
 138                 /// アーカイバ方式のパッケージのプログラムグループフォルダー\r
 139                 /// </summary>\r
 140                 public static string ArchiveProgramGroup {\r
 141                         get {\r
 142                                 return Path.Combine(AppDataFolderPath, "programs");\r
 143                         }\r
 144                 }\r
 145 \r
 146                 /// <summary>\r
 147                 /// アーカイバ方式のパッケージのSystem32のフォルダー\r
 148                 /// </summary>\r
 149                 public static string ArchiveSystem32 {\r
 150                         get {\r
 151                                 return Path.Combine(ArchiveProgramFiles, ".system32");\r
 152                         }\r
 153                 }\r
 154                 \r
 155                 #endregion\r
 156                 \r
 157                 #region ネットワーク\r
 158                 \r
 159                 /// <summary>\r
 160                 /// ウェブアクセスのためのプロキシを取得する。\r
 161                 /// </summary>\r
 162                 /// <returns>プロキシ</returns>\r
 163                 public static IWebProxy WebProxy\r
 164                 {\r
 165                         get {\r
 166                                 if (pref == null) LoadPref();\r
 167                                 \r
 168                                 if (string.IsNullOrEmpty(pref.ProxyAddress)) {\r
 169                                         // 設定されていないときはシステムのデフォルトを使う\r
 170                                         IWebProxy proxy = WebRequest.GetSystemWebProxy();\r
 171                                         proxy.Credentials = CredentialCache.DefaultNetworkCredentials;\r
 172                                         return proxy;\r
 173                                 } else if (pref.ProxyAddress == "-") {\r
 174                                         // "-"のとき直接接続\r
 175                                         return null;\r
 176                                 } else {\r
 177                                         // host:portが設定されているならば、それをもとに設定\r
 178                                         WebProxy proxy = new WebProxy(pref.ProxyAddress);\r
 179                                         proxy.Credentials = CredentialCache.DefaultCredentials;\r
 180                                         \r
 181                                         // 認証プロキシの場合、認証情報を付加する\r
 182                                         try {\r
 183                                                 Uri uri = new Uri(pref.ProxyAddress);\r
 184                                                 if (! string.IsNullOrEmpty(uri.UserInfo)) {\r
 185                                                         int pos = uri.UserInfo.IndexOf(':');\r
 186                                                         if (pos >= 0) {\r
 187                                                                 proxy.Credentials = new NetworkCredential(\r
 188                                                                         uri.UserInfo.Substring(0, pos),\r
 189                                                                         uri.UserInfo.Substring(pos+1)\r
 190                                                                 );\r
 191                                                         } else {\r
 192                                                                 proxy.Credentials = CredentialCache.DefaultCredentials;\r
 193                                                         }\r
 194                                                 }\r
 195                                         } catch (Exception) {\r
 196                                         }\r
 197                                         \r
 198                                         return proxy;\r
 199                                 }\r
 200                         }\r
 201                 }\r
 202                 \r
 203                 /// <summary>\r
 204                 /// User-Agent文字列\r
 205                 /// </summary>\r
 206                 public static string UserAgentString {\r
 207                         get {\r
 208                                 System.Reflection.Assembly asm = System.Reflection.Assembly.GetExecutingAssembly();\r
 209                                 string name = asm.GetName().Name;\r
 210                                 Version version = asm.GetName().Version;\r
 211                                 \r
 212                                 return string.Format("{0}/{1}.{2}.{3}", name, version.Major, version.Minor, version.Build);\r
 213                         }\r
 214                 }\r
 215                 \r
 216                 #endregion\r
 217                 \r
 218                 #region インストールプロセス\r
 219                 \r
 220                 /// <summary>\r
 221                 /// インストーラーをウイルススキャンするか?\r
 222                 /// </summary>\r
 223                 public static bool EnableScanInstallerFile {\r
 224                         get {\r
 225                                 if (pref == null) LoadPref();\r
 226                                 return pref.EnableScanInstallerFile;\r
 227                         }\r
 228                         set {\r
 229                                 if (pref == null) LoadPref();\r
 230                                 pref.EnableScanInstallerFile = value;\r
 231                         }\r
 232                 }\r
 233 \r
 234                 /// <summary>\r
 235                 /// インストールプロセスをバックグラウンドで行うか?\r
 236                 /// </summary>\r
 237                 public static bool InstallProcessOnBackground {\r
 238                         get {\r
 239                                 if (pref == null) LoadPref();\r
 240                                 return pref.InstallOnBackground;\r
 241                         }\r
 242                         set {\r
 243                                 if (pref == null) LoadPref();\r
 244                                 pref.EnableScanInstallerFile = value;\r
 245                         }\r
 246                 }\r
 247                 \r
 248                 /// <summary>\r
 249                 /// アップデートから除外するパッケージの名前\r
 250                 /// </summary>\r
 251                 public static string[] ExcludeUpdatePackageNames {\r
 252                         get {\r
 253                                 if (pref == null) LoadPref();\r
 254                                 return pref.ExcludeUpdatePackageNames;\r
 255                         }\r
 256                         set {\r
 257                                 if (pref == null) LoadPref();\r
 258                                 pref.ExcludeUpdatePackageNames = value;\r
 259                         }\r
 260                 }\r
 261                 \r
 262                 #endregion\r
 263                 \r
 264         }\r
 265 }\r