mcs/class/System.Web/System.Web.Configuration_2.0/WebConfigurationHost.cs

   1 //
   2 // System.Web.Configuration.WebConfigurationHost.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;
  35 using System.Configuration.Internal;
  36 using System.Web.Util;
  37
  38 /*
  39  * this class needs to be rewritten to support usage of the
  40  * IRemoteWebConfigurationHostServer interface.  Once that's done, we
  41  * need an implementation of that interface that talks (through a web
  42  * service?) to a remote site..
  43  *
  44  * for now, though, just implement it as we do
  45  * System.Configuration.InternalConfigurationHost, i.e. the local
  46  * case.
  47  */
  48 namespace System.Web.Configuration
  49 {
  50         class WebConfigurationHost: IInternalConfigHost
  51         {
  52                 WebConfigurationFileMap map;
  53                 const string MachinePath = ":machine:";
  54                 const string MachineWebPath = ":web:";
  55
  56                 public virtual object CreateConfigurationContext (string configPath, string locationSubPath)
  57                 {
  58                         return new WebContext (WebApplicationLevel.AtApplication /* XXX */,
  59                                                "" /* site XXX */,
  60                                                "" /* application path XXX */,
  61                                                configPath,
  62                                                locationSubPath);
  63                 }
  64
  65                 public virtual object CreateDeprecatedConfigContext (string configPath)
  66                 {
  67                         throw new NotImplementedException ();
  68                 }
  69
  70                 public virtual string DecryptSection (string encryptedXml, ProtectedConfigurationProvider protectionProvider, ProtectedConfigurationSection protectedSection)
  71                 {
  72                         throw new NotImplementedException ();
  73                 }
  74
  75                 public virtual void DeleteStream (string streamName)
  76                 {
  77                         File.Delete (streamName);
  78                 }
  79
  80                 public virtual string EncryptSection (string encryptedXml, ProtectedConfigurationProvider protectionProvider, ProtectedConfigurationSection protectedSection)
  81                 {
  82                         throw new NotImplementedException ();
  83                 }
  84
  85                 public virtual string GetConfigPathFromLocationSubPath (string configPath, string locatinSubPath)
  86                 {
  87                         return configPath + "/" + locatinSubPath;
  88                 }
  89
  90                 public virtual Type GetConfigType (string typeName, bool throwOnError)
  91                 {
  92                         Type type = Type.GetType (typeName);
  93                         if (type == null && throwOnError)
  94                                 throw new ConfigurationErrorsException ("Type not found: '" + typeName + "'");
  95                         return type;
  96                 }
  97
  98                 public virtual string GetConfigTypeName (Type t)
  99                 {
 100                         return t.AssemblyQualifiedName;
 101                 }
 102
 103                 public virtual void GetRestrictedPermissions (IInternalConfigRecord configRecord, out PermissionSet permissionSet, out bool isHostReady)
 104                 {
 105                         throw new NotImplementedException ();
 106                 }
 107
 108                 public virtual string GetStreamName (string configPath)
 109                 {
 110                         if (configPath == MachinePath) {
 111                                 if (map == null)
 112                                         return System.Runtime.InteropServices.RuntimeEnvironment.SystemConfigurationFile;
 113                                 else
 114                                         return map.MachineConfigFilename;
 115                         } else if (configPath == MachineWebPath) {
 116                                 string mdir;
 117
 118                                 if (map == null)
 119                                         mdir = Path.GetDirectoryName (System.Runtime.InteropServices.RuntimeEnvironment.SystemConfigurationFile);
 120                                 else
 121                                         mdir = Path.GetDirectoryName (map.MachineConfigFilename);
 122
 123                                 return GetWebConfigFileName (mdir);
 124                         }
 125
 126                         string dir = MapPath (configPath);
 127                         return GetWebConfigFileName (dir);
 128                 }
 129
 130                 public virtual string GetStreamNameForConfigSource (string streamName, string configSource)
 131                 {
 132                         throw new NotImplementedException ();
 133                 }
 134
 135                 public virtual object GetStreamVersion (string streamName)
 136                 {
 137                         throw new NotImplementedException ();
 138                 }
 139
 140                 public virtual IDisposable Impersonate ()
 141                 {
 142                         throw new NotImplementedException ();
 143                 }
 144
 145                 public virtual void Init (IInternalConfigRoot root, params object[] hostInitParams)
 146                 {
 147                 }
 148
 149                 public virtual void InitForConfiguration (ref string locationSubPath, out string configPath, out string locationConfigPath, IInternalConfigRoot root, params object[] hostInitConfigurationParams)
 150                 {
 151                         string fullPath = (string) hostInitConfigurationParams [1];
 152
 153                         map = (WebConfigurationFileMap) hostInitConfigurationParams [0];
 154
 155                         if (locationSubPath == MachineWebPath) {
 156                                 locationSubPath = MachinePath;
 157                                 configPath = MachineWebPath;
 158                                 locationConfigPath = null;
 159                         }
 160                         else if (locationSubPath == MachinePath) {
 161                                 locationSubPath = null;
 162                                 configPath = MachinePath;
 163                                 locationConfigPath = null;
 164                         }
 165                         else {
 166
 167                                 int i;
 168                                 if (locationSubPath == null) {
 169                                         configPath = fullPath;
 170                                         i = fullPath.LastIndexOf ("/");
 171                                 } else {
 172                                         configPath = locationSubPath;
 173                                         if (locationSubPath != "/")
 174                                                 i = locationSubPath.LastIndexOf ('/');
 175                                         else
 176                                                 i = -1;
 177                                 }
 178
 179                                 if (i != -1) {
 180                                         locationConfigPath = configPath.Substring (i+1);
 181
 182                                         if (i == 0)
 183                                                 locationSubPath = "/";
 184                                         else
 185                                                 locationSubPath = fullPath.Substring (0, i);
 186                                 } else {
 187                                         locationSubPath = MachineWebPath;
 188                                         locationConfigPath = null;
 189                                 }
 190                         }
 191
 192                         if (GetStreamName (configPath) == null) {
 193                                 // There is no config file for this path. Get the next one in the chain.
 194                                 InitForConfiguration (ref locationSubPath, out configPath, out locationConfigPath, root, hostInitConfigurationParams);
 195                         }
 196                 }
 197
 198                 public string MapPath (string virtualPath)
 199                 {
 200                         if (map != null)
 201                                 return MapPathFromMapper (virtualPath);
 202                         else if (HttpContext.Current != null
 203                                  && HttpContext.Current.Request != null)
 204                                 return HttpContext.Current.Request.MapPath (virtualPath);
 205                         else
 206                                 return virtualPath;
 207                 }
 208
 209                 public string NormalizeVirtualPath (string virtualPath)
 210                 {
 211                         if (virtualPath == null || virtualPath.Length == 0)
 212                                 virtualPath = ".";
 213                         else
 214                                 virtualPath = virtualPath.Trim ();
 215
 216                         if (virtualPath [0] == '~' && virtualPath.Length > 2 && virtualPath [1] == '/')
 217                                 virtualPath = virtualPath.Substring (1);
 218
 219                         if (System.IO.Path.DirectorySeparatorChar != '/')
 220                                 virtualPath = virtualPath.Replace (System.IO.Path.DirectorySeparatorChar, '/');
 221
 222                         if (UrlUtils.IsRooted (virtualPath)) {
 223                                 virtualPath = UrlUtils.Canonic (virtualPath);
 224                         } else {
 225                                 if (map.VirtualDirectories.Count > 0) {
 226                                         string root = map.VirtualDirectories [0].VirtualDirectory;
 227                                         virtualPath = UrlUtils.Combine (root, virtualPath);
 228                                         virtualPath = UrlUtils.Canonic (virtualPath);
 229                                 }
 230                         }
 231                         return virtualPath;
 232                 }
 233
 234                 public string MapPathFromMapper (string virtualPath)
 235                 {
 236                         string path = NormalizeVirtualPath (virtualPath);
 237
 238                         foreach (VirtualDirectoryMapping mapping in map.VirtualDirectories) {
 239                                 if (path.StartsWith (mapping.VirtualDirectory)) {
 240                                         int i = mapping.VirtualDirectory.Length;
 241                                         if (path.Length == i) {
 242                                                 return mapping.PhysicalDirectory;
 243                                         }
 244                                         else if (path [i] == '/') {
 245                                                 string pathPart = path.Substring (i + 1).Replace ('/', Path.DirectorySeparatorChar);
 246                                                 return Path.Combine (mapping.PhysicalDirectory, pathPart);
 247                                         }
 248                                 }
 249                         }
 250                         throw new HttpException ("Invalid virtual directory: " + virtualPath);
 251                 }
 252
 253                 string GetWebConfigFileName (string dir)
 254                 {
 255                         string[] filenames = new string[] {"Web.Config", "Web.config", "web.config" };
 256
 257                         foreach (string fn in filenames) {
 258                                 string file = Path.Combine (dir, fn);
 259                                 if (File.Exists (file))
 260                                         return file;
 261                         }
 262
 263                         return null;
 264                 }
 265
 266                 public virtual bool IsAboveApplication (string configPath)
 267                 {
 268                         throw new NotImplementedException ();
 269                 }
 270
 271                 public virtual bool IsConfigRecordRequired (string configPath)
 272                 {
 273                         throw new NotImplementedException ();
 274                 }
 275
 276                 public virtual bool IsDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition, ConfigurationAllowExeDefinition allowExeDefinition)
 277                 {
 278                         switch (allowDefinition) {
 279                                 case ConfigurationAllowDefinition.MachineOnly:
 280                                         return configPath == MachinePath || configPath == MachineWebPath;
 281                                 case ConfigurationAllowDefinition.MachineToWebRoot:
 282                                 case ConfigurationAllowDefinition.MachineToApplication:
 283                                         return configPath == MachinePath || configPath == MachineWebPath || configPath == "/";
 284                                 default:
 285                                         return true;
 286                         }
 287                 }
 288
 289                 public virtual bool IsFile (string streamName)
 290                 {
 291                         throw new NotImplementedException ();
 292                 }
 293
 294                 public virtual bool IsLocationApplicable (string configPath)
 295                 {
 296                         throw new NotImplementedException ();
 297                 }
 298
 299                 public virtual Stream OpenStreamForRead (string streamName)
 300                 {
 301                         if (!File.Exists (streamName))
 302                                 throw new ConfigurationException ("File '" + streamName + "' not found");
 303
 304                         return new FileStream (streamName, FileMode.Open, FileAccess.Read);
 305                 }
 306
 307                 [MonoTODO]
 308                 public virtual Stream OpenStreamForRead (string streamName, bool assertPermissions)
 309                 {
 310                         throw new NotImplementedException ();
 311                 }
 312
 313                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext)
 314                 {
 315                         return new FileStream (streamName, FileMode.Create, FileAccess.Write);
 316                 }
 317
 318                 [MonoTODO]
 319                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext, bool assertPermissions)
 320                 {
 321                         throw new NotImplementedException ();
 322                 }
 323
 324                 public virtual bool PrefetchAll (string configPath, string streamName)
 325                 {
 326                         throw new NotImplementedException ();
 327                 }
 328
 329                 public virtual bool PrefetchSection (string sectionGroupName, string sectionName)
 330                 {
 331                         throw new NotImplementedException ();
 332                 }
 333
 334                 [MonoTODO]
 335                 public virtual void RequireCompleteInit (IInternalConfigRecord configRecord)
 336                 {
 337                         throw new NotImplementedException ();
 338                 }
 339
 340                 public virtual object StartMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 341                 {
 342                         throw new NotImplementedException ();
 343                 }
 344
 345                 public virtual void StopMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 346                 {
 347                         throw new NotImplementedException ();
 348                 }
 349
 350                 public virtual void VerifyDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition, ConfigurationAllowExeDefinition allowExeDefinition, IConfigErrorInfo errorInfo)
 351                 {
 352                         if (!IsDefinitionAllowed (configPath, allowDefinition, allowExeDefinition))
 353                                 throw new ConfigurationErrorsException ("The section can't be defined in this file (the allowed definition context is '" + allowDefinition + "').", errorInfo.Filename, errorInfo.LineNumber);
 354                 }
 355
 356                 public virtual void WriteCompleted (string streamName, bool success, object writeContext)
 357                 {
 358                 }
 359
 360                 [MonoTODO]
 361                 public virtual void WriteCompleted (string streamName, bool success, object writeContext, bool assertPermissions)
 362                 {
 363                 }
 364
 365                 public virtual bool SupportsChangeNotifications {
 366                         get { return false; }
 367                 }
 368
 369                 public virtual bool SupportsLocation {
 370                         get { return false; }
 371                 }
 372
 373                 public virtual bool SupportsPath {
 374                         get { return false; }
 375                 }
 376
 377                 public virtual bool SupportsRefresh {
 378                         get { return false; }
 379                 }
 380
 381                 [MonoTODO]
 382                 public virtual bool IsRemote {
 383                         get { return false; }
 384                 }
 385
 386                 [MonoTODO]
 387                 public virtual bool IsFullTrustSectionWithoutAptcaAllowed (IInternalConfigRecord configRecord)
 388                 {
 389                         throw new NotImplementedException ();
 390                 }
 391
 392                 [MonoTODO]
 393                 public virtual bool IsInitDelayed (IInternalConfigRecord configRecord)
 394                 {
 395                         throw new NotImplementedException ();
 396                 }
 397
 398                 [MonoTODO]
 399                 public virtual bool IsSecondaryRoot (string configPath)
 400                 {
 401                         throw new NotImplementedException ();
 402                 }
 403
 404                 [MonoTODO]
 405                 public virtual bool IsTrustedConfigPath (string configPath)
 406                 {
 407                         throw new NotImplementedException ();
 408                 }
 409         }
 410 }
 411
 412 #endif