mcs/class/System.Configuration/System.Configuration/InternalConfigurationHost.cs

   1 //
   2 // System.Configuration.InternalConfigurationHost.cs
   3 //
   4 // Authors:
   5 //  Lluis Sanchez Gual (lluis@novell.com)
   6 //
   7 // Permission is hereby granted, free of charge, to any person obtaining
   8 // a copy of this software and associated documentation files (the
   9 // "Software"), to deal in the Software without restriction, including
  10 // without limitation the rights to use, copy, modify, merge, publish,
  11 // distribute, sublicense, and/or sell copies of the Software, and to
  12 // permit persons to whom the Software is furnished to do so, subject to
  13 // the following conditions:
  14 //
  15 // The above copyright notice and this permission notice shall be
  16 // included in all copies or substantial portions of the Software.
  17 //
  18 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  19 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  21 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  22 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  23 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  24 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25 //
  26 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
  27 //
  28
  29 #if NET_2_0
  30
  31 using System;
  32 using System.IO;
  33 using System.Security;
  34 using System.Configuration.Internal;
  35 using System.Runtime.CompilerServices;
  36
  37 namespace System.Configuration
  38 {
  39         abstract class InternalConfigurationHost: IInternalConfigHost
  40         {
  41                 public virtual object CreateConfigurationContext (string configPath, string locationSubPath)
  42                 {
  43                         return null;
  44                 }
  45
  46                 public virtual object CreateDeprecatedConfigContext (string configPath)
  47                 {
  48                         return null;
  49                 }
  50
  51                 public virtual void DeleteStream (string streamName)
  52                 {
  53                         File.Delete (streamName);
  54                 }
  55
  56                 string IInternalConfigHost.DecryptSection (string encryptedXml, ProtectedConfigurationProvider protectionProvider, ProtectedConfigurationSection protectedSection)
  57                 {
  58                         return protectedSection.DecryptSection (encryptedXml, protectionProvider);
  59                 }
  60
  61                 string IInternalConfigHost.EncryptSection (string clearXml, ProtectedConfigurationProvider protectionProvider, ProtectedConfigurationSection protectedSection)
  62                 {
  63                         return protectedSection.EncryptSection (clearXml, protectionProvider);
  64                 }
  65
  66                 public virtual string GetConfigPathFromLocationSubPath (string configPath, string locationSubPath)
  67                 {
  68                         return configPath;
  69                 }
  70
  71                 public virtual Type GetConfigType (string typeName, bool throwOnError)
  72                 {
  73                         Type type = Type.GetType (typeName);
  74                         if (type == null && throwOnError)
  75                                 throw new ConfigurationErrorsException ("Type '" + typeName + "' not found.");
  76                         return type;
  77                 }
  78
  79                 public virtual string GetConfigTypeName (Type t)
  80                 {
  81                         return t.AssemblyQualifiedName;
  82                 }
  83
  84                 public virtual void GetRestrictedPermissions (IInternalConfigRecord configRecord, out PermissionSet permissionSet, out bool isHostReady)
  85                 {
  86                         throw new NotImplementedException ();
  87                 }
  88
  89                 public abstract string GetStreamName (string configPath);
  90                 public abstract void Init (IInternalConfigRoot root, params object[] hostInitParams);
  91                 public abstract void InitForConfiguration (ref string locationSubPath, out string configPath, out string locationConfigPath, IInternalConfigRoot root, params object[] hostInitConfigurationParams);
  92
  93                 [MonoNotSupported ("mono does not support remote configuration")]
  94                 public virtual string GetStreamNameForConfigSource (string streamName, string configSource)
  95                 {
  96                         throw new NotSupportedException ("mono does not support remote configuration");
  97                 }
  98
  99                 public virtual object GetStreamVersion (string streamName)
 100                 {
 101                         throw new NotImplementedException ();
 102                 }
 103
 104                 public virtual IDisposable Impersonate ()
 105                 {
 106                         throw new NotImplementedException ();
 107                 }
 108
 109                 public virtual bool IsAboveApplication (string configPath)
 110                 {
 111                         throw new NotImplementedException ();
 112                 }
 113
 114                 public virtual bool IsConfigRecordRequired (string configPath)
 115                 {
 116                         throw new NotImplementedException ();
 117                 }
 118
 119                 public virtual bool IsDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition, ConfigurationAllowExeDefinition allowExeDefinition)
 120                 {
 121                         switch (allowDefinition) {
 122                                 case ConfigurationAllowDefinition.MachineOnly:
 123                                         return configPath == "machine";
 124                                 case ConfigurationAllowDefinition.MachineToApplication:
 125                                         return configPath == "machine" || configPath == "exe";
 126                                 default:
 127                                         return true;
 128                         }
 129                 }
 130
 131                 public virtual bool IsFile (string streamName)
 132                 {
 133                         throw new NotImplementedException ();
 134                 }
 135
 136                 public virtual bool IsFullTrustSectionWithoutAptcaAllowed (IInternalConfigRecord configRecord)
 137                 {
 138                         throw new NotImplementedException ();
 139                 }
 140
 141                 public virtual bool IsInitDelayed (IInternalConfigRecord configRecord)
 142                 {
 143                         throw new NotImplementedException ();
 144                 }
 145
 146                 public virtual bool IsLocationApplicable (string configPath)
 147                 {
 148                         throw new NotImplementedException ();
 149                 }
 150
 151                 public virtual bool IsRemote {
 152                         get {
 153                                 throw new NotImplementedException ();
 154                         }
 155                 }
 156
 157                 public virtual bool IsSecondaryRoot (string configPath)
 158                 {
 159                         throw new NotImplementedException ();
 160                 }
 161
 162                 public virtual bool IsTrustedConfigPath (string configPath)
 163                 {
 164                         throw new NotImplementedException ();
 165                 }
 166 #if !TARGET_JVM
 167                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 168                 extern private static string get_bundled_machine_config ();
 169
 170                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 171                 extern private static string get_bundled_app_config ();
 172 #endif
 173
 174                 public virtual Stream OpenStreamForRead (string streamName)
 175                 {
 176                         if (String.CompareOrdinal (streamName, System.Runtime.InteropServices.RuntimeEnvironment.SystemConfigurationFile) == 0) {
 177 #if TARGET_JVM
 178                                 return (Stream) vmw.common.IOUtils.getStreamForGHConfigs (streamName);
 179 #else
 180                                 string bundle = get_bundled_machine_config ();
 181                                 if (bundle != null)
 182                                         return new MemoryStream (System.Text.Encoding.UTF8.GetBytes (bundle));
 183 #endif
 184                         }
 185
 186                         if (String.CompareOrdinal (streamName, AppDomain.CurrentDomain.SetupInformation.ConfigurationFile) == 0) {
 187 #if TARGET_JVM
 188                                 throw new NotImplementedException();
 189 #else
 190                                 string bundle = get_bundled_app_config ();
 191                                 if (bundle != null)
 192                                         return new MemoryStream (System.Text.Encoding.UTF8.GetBytes (bundle));
 193 #endif
 194                         }
 195
 196                         if (!File.Exists (streamName))
 197                                 return null;
 198
 199                         return new FileStream (streamName, FileMode.Open, FileAccess.Read);
 200                 }
 201
 202                 public virtual Stream OpenStreamForRead (string streamName, bool assertPermissions)
 203                 {
 204                         throw new NotImplementedException ();
 205                 }
 206
 207                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext)
 208                 {
 209                         string dir = Path.GetDirectoryName (streamName);
 210                         if (!String.IsNullOrEmpty (dir) && !Directory.Exists (dir))
 211                                 Directory.CreateDirectory (dir);
 212                         return new FileStream (streamName, FileMode.Create, FileAccess.Write);
 213                 }
 214
 215                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext, bool assertPermissions)
 216                 {
 217                         throw new NotImplementedException ();
 218                 }
 219
 220                 public virtual bool PrefetchAll (string configPath, string streamName)
 221                 {
 222                         throw new NotImplementedException ();
 223                 }
 224
 225                 public virtual bool PrefetchSection (string sectionGroupName, string sectionName)
 226                 {
 227                         throw new NotImplementedException ();
 228                 }
 229
 230                 public virtual void RequireCompleteInit (IInternalConfigRecord configRecord)
 231                 {
 232                         throw new NotImplementedException ();
 233                 }
 234
 235                 public virtual object StartMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 236                 {
 237                         throw new NotImplementedException ();
 238                 }
 239
 240                 public virtual void StopMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 241                 {
 242                         throw new NotImplementedException ();
 243                 }
 244
 245                 public virtual void VerifyDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition, ConfigurationAllowExeDefinition allowExeDefinition, IConfigErrorInfo errorInfo)
 246                 {
 247                         if (!IsDefinitionAllowed (configPath, allowDefinition, allowExeDefinition))
 248                                 throw new ConfigurationErrorsException ("The section can't be defined in this file (the allowed definition context is '" + allowDefinition + "').", errorInfo.Filename, errorInfo.LineNumber);
 249                 }
 250
 251                 public virtual void WriteCompleted (string streamName, bool success, object writeContext)
 252                 {
 253                 }
 254
 255                 public virtual void WriteCompleted (string streamName, bool success, object writeContext, bool assertPermissions)
 256                 {
 257                 }
 258
 259                 public virtual bool SupportsChangeNotifications {
 260                         get { return false; }
 261                 }
 262
 263                 public virtual bool SupportsLocation {
 264                         get { return false; }
 265                 }
 266
 267                 public virtual bool SupportsPath {
 268                         get { return false; }
 269                 }
 270
 271                 public virtual bool SupportsRefresh {
 272                         get { return false; }
 273                 }
 274         }
 275
 276         class ExeConfigurationHost: InternalConfigurationHost
 277         {
 278                 ExeConfigurationFileMap map;
 279                 ConfigurationUserLevel level;
 280
 281                 public override void Init (IInternalConfigRoot root, params object[] hostInitParams)
 282                 {
 283                         map = (ExeConfigurationFileMap) hostInitParams [0];
 284                         level = (ConfigurationUserLevel) hostInitParams [1];
 285                 }
 286
 287                 public override string GetStreamName (string configPath)
 288                 {
 289                         switch (configPath) {
 290                                 case "exe": return map.ExeConfigFilename;
 291                                 case "local": return map.LocalUserConfigFilename;
 292                                 case "roaming": return map.RoamingUserConfigFilename;
 293                                 case "machine": return map.MachineConfigFilename;
 294                                 default://return map.ExeConfigFilename;
 295                                 switch (level) {
 296                                         case ConfigurationUserLevel.None:
 297                                                 return map.ExeConfigFilename;
 298                                         case ConfigurationUserLevel.PerUserRoaming:
 299                                                 return map.RoamingUserConfigFilename;
 300                                         case ConfigurationUserLevel.PerUserRoamingAndLocal:
 301                                                 return map.LocalUserConfigFilename;
 302                                         default:
 303                                                 return map.MachineConfigFilename;
 304                                 }
 305                         }
 306                 }
 307
 308                 public override void InitForConfiguration (ref string locationSubPath, out string configPath, out string locationConfigPath, IInternalConfigRoot root, params object[] hostInitConfigurationParams)
 309                 {
 310                         map = (ExeConfigurationFileMap) hostInitConfigurationParams [0];
 311
 312                         if (hostInitConfigurationParams.Length > 1 &&
 313                             hostInitConfigurationParams [1] is ConfigurationUserLevel)
 314                                 level = (ConfigurationUserLevel) hostInitConfigurationParams [1];
 315                         if (locationSubPath == null)
 316                                 switch (level) {
 317                                 case ConfigurationUserLevel.PerUserRoaming:
 318                                         if (map.RoamingUserConfigFilename == null)
 319                                                 throw new ArgumentException ("RoamingUserConfigFilename must be set correctly");
 320                                         locationSubPath = "roaming";
 321                                         break;
 322                                 case ConfigurationUserLevel.PerUserRoamingAndLocal:
 323                                         if (map.LocalUserConfigFilename == null)
 324                                                 throw new ArgumentException ("LocalUserConfigFilename must be set correctly");
 325                                         locationSubPath = "local";
 326                                         break;
 327                                 }
 328
 329                         configPath = null;
 330                         string next = null;
 331
 332                         locationConfigPath = null;
 333
 334                         if (locationSubPath == "exe" || locationSubPath == null && map.ExeConfigFilename != null) {
 335                                 configPath = "exe";
 336                                 next = "local";
 337                                 locationConfigPath = map.ExeConfigFilename;
 338                         }
 339
 340                         if (locationSubPath == "local" && map.LocalUserConfigFilename != null) {
 341                                 configPath = "local";
 342                                 next = "roaming";
 343                                 locationConfigPath = map.LocalUserConfigFilename;
 344                         }
 345
 346                         if (locationSubPath == "roaming" && map.RoamingUserConfigFilename != null) {
 347                                 configPath = "roaming";
 348                                 next = "machine";
 349                                 locationConfigPath = map.RoamingUserConfigFilename;
 350                         }
 351
 352                         if ((locationSubPath == "machine" || configPath == null) && map.MachineConfigFilename != null) {
 353                                 configPath = "machine";
 354                                 next = null;
 355                         }
 356                         locationSubPath = next;
 357                 }
 358         }
 359
 360         class MachineConfigurationHost: InternalConfigurationHost
 361         {
 362                 ConfigurationFileMap map;
 363
 364                 public override void Init (IInternalConfigRoot root, params object[] hostInitParams)
 365                 {
 366                         map = (ConfigurationFileMap) hostInitParams [0];
 367                 }
 368
 369                 public override string GetStreamName (string configPath)
 370                 {
 371                         return map.MachineConfigFilename;
 372                 }
 373
 374                 public override void InitForConfiguration (ref string locationSubPath, out string configPath, out string locationConfigPath, IInternalConfigRoot root, params object[] hostInitConfigurationParams)
 375                 {
 376                         map = (ConfigurationFileMap) hostInitConfigurationParams [0];
 377                         locationSubPath = null;
 378                         configPath = null;
 379                         locationConfigPath = null;
 380                 }
 381
 382                 public override bool IsDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition, ConfigurationAllowExeDefinition allowExeDefinition)
 383                 {
 384                         return true;
 385                 }
 386         }
 387 }
 388
 389 #endif