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                 [MonoTODO ("this should consult with the build provider machinery")]
  91                 public virtual Type GetConfigType (string typeName, bool throwOnError)
  92                 {
  93                         Type type = Type.GetType (typeName);
  94                         if (type == null && throwOnError)
  95                                 throw new ConfigurationErrorsException ("Type not found: '" + typeName + "'");
  96                         return type;
  97                 }
  98
  99                 public virtual string GetConfigTypeName (Type t)
 100                 {
 101                         return t.AssemblyQualifiedName;
 102                 }
 103
 104                 public virtual void GetRestrictedPermissions (IInternalConfigRecord configRecord, out PermissionSet permissionSet, out bool isHostReady)
 105                 {
 106                         throw new NotImplementedException ();
 107                 }
 108
 109                 public virtual string GetStreamName (string configPath)
 110                 {
 111                         if (configPath == MachinePath) {
 112                                 if (map == null)
 113                                         return System.Runtime.InteropServices.RuntimeEnvironment.SystemConfigurationFile;
 114                                 else
 115                                         return map.MachineConfigFilename;
 116                         } else if (configPath == MachineWebPath) {
 117                                 string mdir;
 118
 119                                 if (map == null)
 120                                         mdir = Path.GetDirectoryName (System.Runtime.InteropServices.RuntimeEnvironment.SystemConfigurationFile);
 121                                 else
 122                                         mdir = Path.GetDirectoryName (map.MachineConfigFilename);
 123
 124                                 return GetWebConfigFileName (mdir);
 125                         }
 126
 127                         string dir = MapPath (configPath);
 128                         return GetWebConfigFileName (dir);
 129                 }
 130
 131                 public virtual string GetStreamNameForConfigSource (string streamName, string configSource)
 132                 {
 133                         throw new NotImplementedException ();
 134                 }
 135
 136                 public virtual object GetStreamVersion (string streamName)
 137                 {
 138                         throw new NotImplementedException ();
 139                 }
 140
 141                 public virtual IDisposable Impersonate ()
 142                 {
 143                         throw new NotImplementedException ();
 144                 }
 145
 146                 public virtual void Init (IInternalConfigRoot root, params object[] hostInitParams)
 147                 {
 148                 }
 149
 150                 public virtual void InitForConfiguration (ref string locationSubPath, out string configPath, out string locationConfigPath, IInternalConfigRoot root, params object[] hostInitConfigurationParams)
 151                 {
 152                         string fullPath = (string) hostInitConfigurationParams [1];
 153
 154                         map = (WebConfigurationFileMap) hostInitConfigurationParams [0];
 155
 156                         if (locationSubPath == MachineWebPath) {
 157                                 locationSubPath = MachinePath;
 158                                 configPath = MachineWebPath;
 159                                 locationConfigPath = null;
 160                         }
 161                         else if (locationSubPath == MachinePath) {
 162                                 locationSubPath = null;
 163                                 configPath = MachinePath;
 164                                 locationConfigPath = null;
 165                         }
 166                         else {
 167
 168                                 int i;
 169                                 if (locationSubPath == null)
 170                                         configPath = fullPath;
 171                                 else
 172                                         configPath = locationSubPath;
 173
 174                                 if (configPath == HttpRuntime.AppDomainAppVirtualPath)
 175                                         i = -1;
 176                                 else
 177                                         i = configPath.LastIndexOf ("/");
 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 if (virtualPath.StartsWith (HttpRuntime.AppDomainAppVirtualPath)) {
 206                                 if (virtualPath == HttpRuntime.AppDomainAppVirtualPath)
 207                                         return HttpRuntime.AppDomainAppPath;
 208                                 return UrlUtils.Combine (HttpRuntime.AppDomainAppPath, virtualPath.Substring (HttpRuntime.AppDomainAppVirtualPath.Length));
 209                         }
 210                         else
 211                                 return virtualPath;
 212                 }
 213
 214                 public string NormalizeVirtualPath (string virtualPath)
 215                 {
 216                         if (virtualPath == null || virtualPath.Length == 0)
 217                                 virtualPath = ".";
 218                         else
 219                                 virtualPath = virtualPath.Trim ();
 220
 221                         if (virtualPath [0] == '~' && virtualPath.Length > 2 && virtualPath [1] == '/')
 222                                 virtualPath = virtualPath.Substring (1);
 223
 224                         if (System.IO.Path.DirectorySeparatorChar != '/')
 225                                 virtualPath = virtualPath.Replace (System.IO.Path.DirectorySeparatorChar, '/');
 226
 227                         if (UrlUtils.IsRooted (virtualPath)) {
 228                                 virtualPath = UrlUtils.Canonic (virtualPath);
 229                         } else {
 230                                 if (map.VirtualDirectories.Count > 0) {
 231                                         string root = map.VirtualDirectories [0].VirtualDirectory;
 232                                         virtualPath = UrlUtils.Combine (root, virtualPath);
 233                                         virtualPath = UrlUtils.Canonic (virtualPath);
 234                                 }
 235                         }
 236                         return virtualPath;
 237                 }
 238
 239                 public string MapPathFromMapper (string virtualPath)
 240                 {
 241                         string path = NormalizeVirtualPath (virtualPath);
 242
 243                         foreach (VirtualDirectoryMapping mapping in map.VirtualDirectories) {
 244                                 if (path.StartsWith (mapping.VirtualDirectory)) {
 245                                         int i = mapping.VirtualDirectory.Length;
 246                                         if (path.Length == i) {
 247                                                 return mapping.PhysicalDirectory;
 248                                         }
 249                                         else if (path [i] == '/') {
 250                                                 string pathPart = path.Substring (i + 1).Replace ('/', Path.DirectorySeparatorChar);
 251                                                 return Path.Combine (mapping.PhysicalDirectory, pathPart);
 252                                         }
 253                                 }
 254                         }
 255                         throw new HttpException ("Invalid virtual directory: " + virtualPath);
 256                 }
 257
 258                 string GetWebConfigFileName (string dir)
 259                 {
 260                         string[] filenames = new string[] {"Web.Config", "Web.config", "web.config" };
 261
 262                         foreach (string fn in filenames) {
 263                                 string file = Path.Combine (dir, fn);
 264                                 if (File.Exists (file))
 265                                         return file;
 266                         }
 267
 268                         return null;
 269                 }
 270
 271                 public virtual bool IsAboveApplication (string configPath)
 272                 {
 273                         throw new NotImplementedException ();
 274                 }
 275
 276                 public virtual bool IsConfigRecordRequired (string configPath)
 277                 {
 278                         throw new NotImplementedException ();
 279                 }
 280
 281                 public virtual bool IsDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition, ConfigurationAllowExeDefinition allowExeDefinition)
 282                 {
 283                         switch (allowDefinition) {
 284                                 case ConfigurationAllowDefinition.MachineOnly:
 285                                         return configPath == MachinePath || configPath == MachineWebPath;
 286                                 case ConfigurationAllowDefinition.MachineToWebRoot:
 287                                 case ConfigurationAllowDefinition.MachineToApplication:
 288                                         return configPath == MachinePath || configPath == MachineWebPath || configPath == "/";
 289                                 default:
 290                                         return true;
 291                         }
 292                 }
 293
 294                 public virtual bool IsFile (string streamName)
 295                 {
 296                         throw new NotImplementedException ();
 297                 }
 298
 299                 public virtual bool IsLocationApplicable (string configPath)
 300                 {
 301                         throw new NotImplementedException ();
 302                 }
 303
 304                 public virtual Stream OpenStreamForRead (string streamName)
 305                 {
 306                         if (!File.Exists (streamName))
 307                                 throw new ConfigurationException ("File '" + streamName + "' not found");
 308
 309                         return new FileStream (streamName, FileMode.Open, FileAccess.Read);
 310                 }
 311
 312                 [MonoTODO]
 313                 public virtual Stream OpenStreamForRead (string streamName, bool assertPermissions)
 314                 {
 315                         throw new NotImplementedException ();
 316                 }
 317
 318                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext)
 319                 {
 320                         return new FileStream (streamName, FileMode.Create, FileAccess.Write);
 321                 }
 322
 323                 [MonoTODO]
 324                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext, bool assertPermissions)
 325                 {
 326                         throw new NotImplementedException ();
 327                 }
 328
 329                 public virtual bool PrefetchAll (string configPath, string streamName)
 330                 {
 331                         throw new NotImplementedException ();
 332                 }
 333
 334                 public virtual bool PrefetchSection (string sectionGroupName, string sectionName)
 335                 {
 336                         throw new NotImplementedException ();
 337                 }
 338
 339                 [MonoTODO]
 340                 public virtual void RequireCompleteInit (IInternalConfigRecord configRecord)
 341                 {
 342                         throw new NotImplementedException ();
 343                 }
 344
 345                 public virtual object StartMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 346                 {
 347                         throw new NotImplementedException ();
 348                 }
 349
 350                 public virtual void StopMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 351                 {
 352                         throw new NotImplementedException ();
 353                 }
 354
 355                 public virtual void VerifyDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition, ConfigurationAllowExeDefinition allowExeDefinition, IConfigErrorInfo errorInfo)
 356                 {
 357                         if (!IsDefinitionAllowed (configPath, allowDefinition, allowExeDefinition))
 358                                 throw new ConfigurationErrorsException ("The section can't be defined in this file (the allowed definition context is '" + allowDefinition + "').", errorInfo.Filename, errorInfo.LineNumber);
 359                 }
 360
 361                 public virtual void WriteCompleted (string streamName, bool success, object writeContext)
 362                 {
 363                 }
 364
 365                 [MonoTODO]
 366                 public virtual void WriteCompleted (string streamName, bool success, object writeContext, bool assertPermissions)
 367                 {
 368                 }
 369
 370                 public virtual bool SupportsChangeNotifications {
 371                         get { return false; }
 372                 }
 373
 374                 public virtual bool SupportsLocation {
 375                         get { return false; }
 376                 }
 377
 378                 public virtual bool SupportsPath {
 379                         get { return false; }
 380                 }
 381
 382                 public virtual bool SupportsRefresh {
 383                         get { return false; }
 384                 }
 385
 386                 [MonoTODO]
 387                 public virtual bool IsRemote {
 388                         get { return false; }
 389                 }
 390
 391                 [MonoTODO]
 392                 public virtual bool IsFullTrustSectionWithoutAptcaAllowed (IInternalConfigRecord configRecord)
 393                 {
 394                         throw new NotImplementedException ();
 395                 }
 396
 397                 [MonoTODO]
 398                 public virtual bool IsInitDelayed (IInternalConfigRecord configRecord)
 399                 {
 400                         throw new NotImplementedException ();
 401                 }
 402
 403                 [MonoTODO]
 404                 public virtual bool IsSecondaryRoot (string configPath)
 405                 {
 406                         throw new NotImplementedException ();
 407                 }
 408
 409                 [MonoTODO]
 410                 public virtual bool IsTrustedConfigPath (string configPath)
 411                 {
 412                         throw new NotImplementedException ();
 413                 }
 414         }
 415 }
 416
 417 #endif