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 #endif
 170
 171                 public virtual Stream OpenStreamForRead (string streamName)
 172                 {
 173                         if (String.CompareOrdinal (streamName, System.Runtime.InteropServices.RuntimeEnvironment.SystemConfigurationFile) == 0) {
 174 #if TARGET_JVM
 175                                 return (Stream) vmw.common.IOUtils.getStreamForGHConfigs (streamName);
 176 #else
 177                                 string bundle = get_bundled_machine_config ();
 178                                 if (bundle != null)
 179                                         return new MemoryStream (System.Text.Encoding.UTF8.GetBytes (bundle));
 180 #endif
 181                         }
 182
 183                         if (!File.Exists (streamName))
 184                                 throw new ConfigurationException ("File '" + streamName + "' not found");
 185
 186                         return new FileStream (streamName, FileMode.Open, FileAccess.Read);
 187                 }
 188
 189                 public virtual Stream OpenStreamForRead (string streamName, bool assertPermissions)
 190                 {
 191                         throw new NotImplementedException ();
 192                 }
 193
 194                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext)
 195                 {
 196                         string dir = Path.GetDirectoryName (streamName);
 197                         if (!Directory.Exists (dir))
 198                                 Directory.CreateDirectory (dir);
 199                         return new FileStream (streamName, FileMode.Create, FileAccess.Write);
 200                 }
 201
 202                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext, bool assertPermissions)
 203                 {
 204                         throw new NotImplementedException ();
 205                 }
 206
 207                 public virtual bool PrefetchAll (string configPath, string streamName)
 208                 {
 209                         throw new NotImplementedException ();
 210                 }
 211
 212                 public virtual bool PrefetchSection (string sectionGroupName, string sectionName)
 213                 {
 214                         throw new NotImplementedException ();
 215                 }
 216
 217                 public virtual void RequireCompleteInit (IInternalConfigRecord configRecord)
 218                 {
 219                         throw new NotImplementedException ();
 220                 }
 221
 222                 public virtual object StartMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 223                 {
 224                         throw new NotImplementedException ();
 225                 }
 226
 227                 public virtual void StopMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 228                 {
 229                         throw new NotImplementedException ();
 230                 }
 231
 232                 public virtual void VerifyDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition, ConfigurationAllowExeDefinition allowExeDefinition, IConfigErrorInfo errorInfo)
 233                 {
 234                         if (!IsDefinitionAllowed (configPath, allowDefinition, allowExeDefinition))
 235                                 throw new ConfigurationErrorsException ("The section can't be defined in this file (the allowed definition context is '" + allowDefinition + "').", errorInfo.Filename, errorInfo.LineNumber);
 236                 }
 237
 238                 public virtual void WriteCompleted (string streamName, bool success, object writeContext)
 239                 {
 240                 }
 241
 242                 public virtual void WriteCompleted (string streamName, bool success, object writeContext, bool assertPermissions)
 243                 {
 244                 }
 245
 246                 public virtual bool SupportsChangeNotifications {
 247                         get { return false; }
 248                 }
 249
 250                 public virtual bool SupportsLocation {
 251                         get { return false; }
 252                 }
 253
 254                 public virtual bool SupportsPath {
 255                         get { return false; }
 256                 }
 257
 258                 public virtual bool SupportsRefresh {
 259                         get { return false; }
 260                 }
 261         }
 262
 263         class ExeConfigurationHost: InternalConfigurationHost
 264         {
 265                 ExeConfigurationFileMap map;
 266                 ConfigurationUserLevel level;
 267
 268                 public override void Init (IInternalConfigRoot root, params object[] hostInitParams)
 269                 {
 270                         map = (ExeConfigurationFileMap) hostInitParams [0];
 271                         level = (ConfigurationUserLevel) hostInitParams [1];
 272                 }
 273
 274                 public override string GetStreamName (string configPath)
 275                 {
 276                         switch (configPath) {
 277                                 case "exe": return map.ExeConfigFilename;
 278                                 case "local": return map.LocalUserConfigFilename;
 279                                 case "roaming": return map.RoamingUserConfigFilename;
 280                                 case "machine": return map.MachineConfigFilename;
 281                                 default://return map.ExeConfigFilename;
 282                                 switch (level) {
 283                                         case ConfigurationUserLevel.None:
 284                                                 return map.ExeConfigFilename;
 285                                         case ConfigurationUserLevel.PerUserRoaming:
 286                                                 return map.RoamingUserConfigFilename;
 287                                         case ConfigurationUserLevel.PerUserRoamingAndLocal:
 288                                                 return map.LocalUserConfigFilename;
 289                                         default:
 290                                                 return map.MachineConfigFilename;
 291                                 }
 292                         }
 293                 }
 294
 295                 public override void InitForConfiguration (ref string locationSubPath, out string configPath, out string locationConfigPath, IInternalConfigRoot root, params object[] hostInitConfigurationParams)
 296                 {
 297                         map = (ExeConfigurationFileMap) hostInitConfigurationParams [0];
 298
 299                         if (hostInitConfigurationParams.Length > 1 &&
 300                             hostInitConfigurationParams [1] is ConfigurationUserLevel)
 301                                 level = (ConfigurationUserLevel) hostInitConfigurationParams [1];
 302                         if (locationSubPath == null)
 303                                 switch (level) {
 304                                 case ConfigurationUserLevel.PerUserRoaming:
 305                                         if (map.RoamingUserConfigFilename == null)
 306                                                 throw new ArgumentException ("RoamingUserConfigFilename must be set correctly");
 307                                         locationSubPath = "roaming";
 308                                         break;
 309                                 case ConfigurationUserLevel.PerUserRoamingAndLocal:
 310                                         if (map.LocalUserConfigFilename == null)
 311                                                 throw new ArgumentException ("LocalUserConfigFilename must be set correctly");
 312                                         locationSubPath = "local";
 313                                         break;
 314                                 }
 315
 316                         configPath = null;
 317                         string next = null;
 318
 319                         locationConfigPath = null;
 320
 321                         if (locationSubPath == "exe" || locationSubPath == null && map.ExeConfigFilename != null) {
 322                                 configPath = "exe";
 323                                 next = "local";
 324                                 locationConfigPath = map.ExeConfigFilename;
 325                         }
 326
 327                         if (locationSubPath == "local" && map.LocalUserConfigFilename != null) {
 328                                 configPath = "local";
 329                                 next = "roaming";
 330                                 locationConfigPath = map.LocalUserConfigFilename;
 331                         }
 332
 333                         if (locationSubPath == "roaming" && map.RoamingUserConfigFilename != null) {
 334                                 configPath = "roaming";
 335                                 next = "machine";
 336                                 locationConfigPath = map.RoamingUserConfigFilename;
 337                         }
 338
 339                         if ((locationSubPath == "machine" || configPath == null) && map.MachineConfigFilename != null) {
 340                                 configPath = "machine";
 341                                 next = null;
 342                         }
 343                         locationSubPath = next;
 344                 }
 345         }
 346
 347         class MachineConfigurationHost: InternalConfigurationHost
 348         {
 349                 ConfigurationFileMap map;
 350
 351                 public override void Init (IInternalConfigRoot root, params object[] hostInitParams)
 352                 {
 353                         map = (ConfigurationFileMap) hostInitParams [0];
 354                 }
 355
 356                 public override string GetStreamName (string configPath)
 357                 {
 358                         return map.MachineConfigFilename;
 359                 }
 360
 361                 public override void InitForConfiguration (ref string locationSubPath, out string configPath, out string locationConfigPath, IInternalConfigRoot root, params object[] hostInitConfigurationParams)
 362                 {
 363                         map = (ConfigurationFileMap) hostInitConfigurationParams [0];
 364                         locationSubPath = null;
 365                         configPath = null;
 366                         locationConfigPath = null;
 367                 }
 368
 369                 public override bool IsDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition, ConfigurationAllowExeDefinition allowExeDefinition)
 370                 {
 371                         return true;
 372                 }
 373         }
 374 }
 375
 376 #endif