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
  36 namespace System.Configuration
  37 {
  38         abstract class InternalConfigurationHost: IInternalConfigHost
  39         {
  40                 public virtual object CreateConfigurationContext (string configPath, string locationSubPath)
  41                 {
  42                         return null;
  43                 }
  44
  45                 public virtual object CreateDeprecatedConfigContext (string configPath)
  46                 {
  47                         throw new NotImplementedException ();
  48                 }
  49
  50                 public virtual void DeleteStream (string streamName)
  51                 {
  52                         File.Delete (streamName);
  53                 }
  54
  55                 string IInternalConfigHost.DecryptSection (string encryptedXml, ProtectedConfigurationProvider protectionProvider, ProtectedConfigurationSection protectedSection)
  56                 {
  57                         return protectedSection.DecryptSection (encryptedXml, protectionProvider);
  58                 }
  59
  60                 string IInternalConfigHost.EncryptSection (string clearXml, ProtectedConfigurationProvider protectionProvider, ProtectedConfigurationSection protectedSection)
  61                 {
  62                         return protectedSection.EncryptSection (clearXml, protectionProvider);
  63                 }
  64
  65                 public virtual string GetConfigPathFromLocationSubPath (string configPath, string locationSubPath)
  66                 {
  67                         return configPath;
  68                 }
  69
  70                 public virtual Type GetConfigType (string typeName, bool throwOnError)
  71                 {
  72                         Type type = Type.GetType (typeName);
  73                         if (type == null && throwOnError)
  74                                 throw new ConfigurationErrorsException ("Type '" + typeName + "' not found.");
  75                         return type;
  76                 }
  77
  78                 public virtual string GetConfigTypeName (Type t)
  79                 {
  80                         return t.AssemblyQualifiedName;
  81                 }
  82
  83                 public virtual void GetRestrictedPermissions (IInternalConfigRecord configRecord, out PermissionSet permissionSet, out bool isHostReady)
  84                 {
  85                         throw new NotImplementedException ();
  86                 }
  87
  88                 public abstract string GetStreamName (string configPath);
  89                 public abstract void Init (IInternalConfigRoot root, params object[] hostInitParams);
  90                 public abstract void InitForConfiguration (ref string locationSubPath, out string configPath, out string locationConfigPath, IInternalConfigRoot root, params object[] hostInitConfigurationParams);
  91
  92                 [MonoTODO ("remote config")]
  93                 public virtual string GetStreamNameForConfigSource (string streamName, string configSource)
  94                 {
  95                         throw new NotSupportedException ("mono does not support remote configuration");
  96                 }
  97
  98                 public virtual object GetStreamVersion (string streamName)
  99                 {
 100                         throw new NotImplementedException ();
 101                 }
 102
 103                 public virtual IDisposable Impersonate ()
 104                 {
 105                         throw new NotImplementedException ();
 106                 }
 107
 108                 public virtual bool IsAboveApplication (string configPath)
 109                 {
 110                         throw new NotImplementedException ();
 111                 }
 112
 113                 public virtual bool IsConfigRecordRequired (string configPath)
 114                 {
 115                         throw new NotImplementedException ();
 116                 }
 117
 118                 public virtual bool IsDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition, ConfigurationAllowExeDefinition allowExeDefinition)
 119                 {
 120                         switch (allowDefinition) {
 121                                 case ConfigurationAllowDefinition.MachineOnly:
 122                                         return configPath == "machine";
 123                                 case ConfigurationAllowDefinition.MachineToApplication:
 124                                         return configPath == "machine" || configPath == "exe";
 125                                 default:
 126                                         return true;
 127                         }
 128                 }
 129
 130                 public virtual bool IsFile (string streamName)
 131                 {
 132                         throw new NotImplementedException ();
 133                 }
 134
 135                 public virtual bool IsFullTrustSectionWithoutAptcaAllowed (IInternalConfigRecord configRecord)
 136                 {
 137                         throw new NotImplementedException ();
 138                 }
 139
 140                 public virtual bool IsInitDelayed (IInternalConfigRecord configRecord)
 141                 {
 142                         throw new NotImplementedException ();
 143                 }
 144
 145                 public virtual bool IsLocationApplicable (string configPath)
 146                 {
 147                         throw new NotImplementedException ();
 148                 }
 149
 150                 public virtual bool IsRemote {
 151                         get {
 152                                 throw new NotImplementedException ();
 153                         }
 154                 }
 155
 156                 public virtual bool IsSecondaryRoot (string configPath)
 157                 {
 158                         throw new NotImplementedException ();
 159                 }
 160
 161                 public virtual bool IsTrustedConfigPath (string configPath)
 162                 {
 163                         throw new NotImplementedException ();
 164                 }
 165
 166                 public virtual Stream OpenStreamForRead (string streamName)
 167                 {
 168                         if (!File.Exists (streamName))
 169                                 throw new ConfigurationException ("File '" + streamName + "' not found");
 170
 171                         return new FileStream (streamName, FileMode.Open, FileAccess.Read);
 172                 }
 173
 174                 public virtual Stream OpenStreamForRead (string streamName, bool assertPermissions)
 175                 {
 176                         throw new NotImplementedException ();
 177                 }
 178
 179                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext)
 180                 {
 181                         return new FileStream (streamName, FileMode.Create, FileAccess.Write);
 182                 }
 183
 184                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext, bool assertPermissions)
 185                 {
 186                         throw new NotImplementedException ();
 187                 }
 188
 189                 public virtual bool PrefetchAll (string configPath, string streamName)
 190                 {
 191                         throw new NotImplementedException ();
 192                 }
 193
 194                 public virtual bool PrefetchSection (string sectionGroupName, string sectionName)
 195                 {
 196                         throw new NotImplementedException ();
 197                 }
 198
 199                 public virtual void RequireCompleteInit (IInternalConfigRecord configRecord)
 200                 {
 201                         throw new NotImplementedException ();
 202                 }
 203
 204                 public virtual object StartMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 205                 {
 206                         throw new NotImplementedException ();
 207                 }
 208
 209                 public virtual void StopMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 210                 {
 211                         throw new NotImplementedException ();
 212                 }
 213
 214                 public virtual void VerifyDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition, ConfigurationAllowExeDefinition allowExeDefinition, IConfigErrorInfo errorInfo)
 215                 {
 216                         if (!IsDefinitionAllowed (configPath, allowDefinition, allowExeDefinition))
 217                                 throw new ConfigurationErrorsException ("The section can't be defined in this file (the allowed definition context is '" + allowDefinition + "').", errorInfo.Filename, errorInfo.LineNumber);
 218                 }
 219
 220                 public virtual void WriteCompleted (string streamName, bool success, object writeContext)
 221                 {
 222                 }
 223
 224                 public virtual void WriteCompleted (string streamName, bool success, object writeContext, bool assertPermissions)
 225                 {
 226                 }
 227
 228                 public virtual bool SupportsChangeNotifications {
 229                         get { return false; }
 230                 }
 231
 232                 public virtual bool SupportsLocation {
 233                         get { return false; }
 234                 }
 235
 236                 public virtual bool SupportsPath {
 237                         get { return false; }
 238                 }
 239
 240                 public virtual bool SupportsRefresh {
 241                         get { return false; }
 242                 }
 243         }
 244
 245         class ExeConfigurationHost: InternalConfigurationHost
 246         {
 247                 ExeConfigurationFileMap map;
 248
 249                 public override void Init (IInternalConfigRoot root, params object[] hostInitParams)
 250                 {
 251                         map = (ExeConfigurationFileMap) hostInitParams [0];
 252                 }
 253
 254                 public override string GetStreamName (string configPath)
 255                 {
 256                         switch (configPath) {
 257                                 case "exe": return map.ExeConfigFilename;
 258                                 case "local": return map.LocalUserConfigFilename;
 259                                 case "roaming": return map.LocalUserConfigFilename;
 260                                 case "machine": return map.MachineConfigFilename;
 261                                 default: return map.ExeConfigFilename;
 262                         }
 263                 }
 264
 265                 public override void InitForConfiguration (ref string locationSubPath, out string configPath, out string locationConfigPath, IInternalConfigRoot root, params object[] hostInitConfigurationParams)
 266                 {
 267                         map = (ExeConfigurationFileMap) hostInitConfigurationParams [0];
 268                         configPath = null;
 269                         string next = null;
 270
 271                         locationConfigPath = null;
 272
 273                         if ((locationSubPath == "exe" || locationSubPath == null) && map.ExeConfigFilename != null) {
 274                                 configPath = "exe";
 275                                 next = "local";
 276                                 locationConfigPath = map.ExeConfigFilename;
 277                         }
 278
 279                         if ((locationSubPath == "local" || configPath == null) && map.LocalUserConfigFilename != null) {
 280                                 configPath = "local";
 281                                 next = "roaming";
 282                                 locationConfigPath = map.LocalUserConfigFilename;
 283                         }
 284
 285                         if ((locationSubPath == "roaming" || configPath == null) && map.RoamingUserConfigFilename != null) {
 286                                 configPath = "roaming";
 287                                 next = "machine";
 288                                 locationConfigPath = map.RoamingUserConfigFilename;
 289                         }
 290
 291                         if ((locationSubPath == "machine" || configPath == null) && map.MachineConfigFilename != null) {
 292                                 configPath = "machine";
 293                                 next = null;
 294                         }
 295
 296                         locationSubPath = next;
 297                 }
 298         }
 299
 300         class MachineConfigurationHost: InternalConfigurationHost
 301         {
 302                 ConfigurationFileMap map;
 303
 304                 public override void Init (IInternalConfigRoot root, params object[] hostInitParams)
 305                 {
 306                         map = (ConfigurationFileMap) hostInitParams [0];
 307                 }
 308
 309                 public override string GetStreamName (string configPath)
 310                 {
 311                         return map.MachineConfigFilename;
 312                 }
 313
 314                 public override void InitForConfiguration (ref string locationSubPath, out string configPath, out string locationConfigPath, IInternalConfigRoot root, params object[] hostInitConfigurationParams)
 315                 {
 316                         map = (ConfigurationFileMap) hostInitConfigurationParams [0];
 317                         locationSubPath = null;
 318                         configPath = null;
 319                         locationConfigPath = null;
 320                 }
 321         }
 322 }
 323
 324 #endif