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                                     || configPath == "/")
 176                                         i = -1;
 177                                 else
 178                                         i = configPath.LastIndexOf ("/");
 179
 180                                 if (i != -1) {
 181                                         locationConfigPath = configPath.Substring (i+1);
 182
 183                                         if (i == 0)
 184                                                 locationSubPath = "/";
 185                                         else
 186                                                 locationSubPath = fullPath.Substring (0, i);
 187                                 } else {
 188                                         locationSubPath = MachineWebPath;
 189                                         locationConfigPath = null;
 190                                 }
 191                         }
 192
 193                         if (GetStreamName (configPath) == null) {
 194                                 // There is no config file for this path. Get the next one in the chain.
 195                                 InitForConfiguration (ref locationSubPath, out configPath, out locationConfigPath, root, hostInitConfigurationParams);
 196                         }
 197                 }
 198
 199                 public string MapPath (string virtualPath)
 200                 {
 201                         if (map != null)
 202                                 return MapPathFromMapper (virtualPath);
 203                         else if (HttpContext.Current != null
 204                                  && HttpContext.Current.Request != null)
 205                                 return HttpContext.Current.Request.MapPath (virtualPath);
 206                         else if (HttpRuntime.AppDomainAppVirtualPath != null && virtualPath.StartsWith (HttpRuntime.AppDomainAppVirtualPath)) {
 207                                 if (virtualPath == HttpRuntime.AppDomainAppVirtualPath)
 208                                         return HttpRuntime.AppDomainAppPath;
 209                                 return UrlUtils.Combine (HttpRuntime.AppDomainAppPath, virtualPath.Substring (HttpRuntime.AppDomainAppVirtualPath.Length));
 210                         }
 211                         else
 212                                 return virtualPath;
 213                 }
 214
 215                 public string NormalizeVirtualPath (string virtualPath)
 216                 {
 217                         if (virtualPath == null || virtualPath.Length == 0)
 218                                 virtualPath = ".";
 219                         else
 220                                 virtualPath = virtualPath.Trim ();
 221
 222                         if (virtualPath [0] == '~' && virtualPath.Length > 2 && virtualPath [1] == '/')
 223                                 virtualPath = virtualPath.Substring (1);
 224
 225                         if (System.IO.Path.DirectorySeparatorChar != '/')
 226                                 virtualPath = virtualPath.Replace (System.IO.Path.DirectorySeparatorChar, '/');
 227
 228                         if (UrlUtils.IsRooted (virtualPath)) {
 229                                 virtualPath = UrlUtils.Canonic (virtualPath);
 230                         } else {
 231                                 if (map.VirtualDirectories.Count > 0) {
 232                                         string root = map.VirtualDirectories [0].VirtualDirectory;
 233                                         virtualPath = UrlUtils.Combine (root, virtualPath);
 234                                         virtualPath = UrlUtils.Canonic (virtualPath);
 235                                 }
 236                         }
 237                         return virtualPath;
 238                 }
 239
 240                 public string MapPathFromMapper (string virtualPath)
 241                 {
 242                         string path = NormalizeVirtualPath (virtualPath);
 243
 244                         foreach (VirtualDirectoryMapping mapping in map.VirtualDirectories) {
 245                                 if (path.StartsWith (mapping.VirtualDirectory)) {
 246                                         int i = mapping.VirtualDirectory.Length;
 247                                         if (path.Length == i) {
 248                                                 return mapping.PhysicalDirectory;
 249                                         }
 250                                         else if (path [i] == '/') {
 251                                                 string pathPart = path.Substring (i + 1).Replace ('/', Path.DirectorySeparatorChar);
 252                                                 return Path.Combine (mapping.PhysicalDirectory, pathPart);
 253                                         }
 254                                 }
 255                         }
 256                         throw new HttpException ("Invalid virtual directory: " + virtualPath);
 257                 }
 258
 259                 string GetWebConfigFileName (string dir)
 260                 {
 261                         string[] filenames = new string[] {"Web.Config", "Web.config", "web.config" };
 262
 263                         foreach (string fn in filenames) {
 264                                 string file = Path.Combine (dir, fn);
 265                                 if (File.Exists (file))
 266                                         return file;
 267                         }
 268
 269                         return null;
 270                 }
 271
 272                 public virtual bool IsAboveApplication (string configPath)
 273                 {
 274                         throw new NotImplementedException ();
 275                 }
 276
 277                 public virtual bool IsConfigRecordRequired (string configPath)
 278                 {
 279                         throw new NotImplementedException ();
 280                 }
 281
 282                 public virtual bool IsDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition, ConfigurationAllowExeDefinition allowExeDefinition)
 283                 {
 284                         switch (allowDefinition) {
 285                                 case ConfigurationAllowDefinition.MachineOnly:
 286                                         return configPath == MachinePath || configPath == MachineWebPath;
 287                                 case ConfigurationAllowDefinition.MachineToWebRoot:
 288                                 case ConfigurationAllowDefinition.MachineToApplication:
 289                                         return configPath == MachinePath || configPath == MachineWebPath || configPath == "/";
 290                                 default:
 291                                         return true;
 292                         }
 293                 }
 294
 295                 public virtual bool IsFile (string streamName)
 296                 {
 297                         throw new NotImplementedException ();
 298                 }
 299
 300                 public virtual bool IsLocationApplicable (string configPath)
 301                 {
 302                         throw new NotImplementedException ();
 303                 }
 304
 305                 public virtual Stream OpenStreamForRead (string streamName)
 306                 {
 307                         if (!File.Exists (streamName))
 308                                 throw new ConfigurationException ("File '" + streamName + "' not found");
 309
 310                         return new FileStream (streamName, FileMode.Open, FileAccess.Read);
 311                 }
 312
 313                 [MonoTODO]
 314                 public virtual Stream OpenStreamForRead (string streamName, bool assertPermissions)
 315                 {
 316                         throw new NotImplementedException ();
 317                 }
 318
 319                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext)
 320                 {
 321                         return new FileStream (streamName, FileMode.Create, FileAccess.Write);
 322                 }
 323
 324                 [MonoTODO]
 325                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext, bool assertPermissions)
 326                 {
 327                         throw new NotImplementedException ();
 328                 }
 329
 330                 public virtual bool PrefetchAll (string configPath, string streamName)
 331                 {
 332                         throw new NotImplementedException ();
 333                 }
 334
 335                 public virtual bool PrefetchSection (string sectionGroupName, string sectionName)
 336                 {
 337                         throw new NotImplementedException ();
 338                 }
 339
 340                 [MonoTODO]
 341                 public virtual void RequireCompleteInit (IInternalConfigRecord configRecord)
 342                 {
 343                         throw new NotImplementedException ();
 344                 }
 345
 346                 public virtual object StartMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 347                 {
 348                         throw new NotImplementedException ();
 349                 }
 350
 351                 public virtual void StopMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 352                 {
 353                         throw new NotImplementedException ();
 354                 }
 355
 356                 public virtual void VerifyDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition, ConfigurationAllowExeDefinition allowExeDefinition, IConfigErrorInfo errorInfo)
 357                 {
 358                         if (!IsDefinitionAllowed (configPath, allowDefinition, allowExeDefinition))
 359                                 throw new ConfigurationErrorsException ("The section can't be defined in this file (the allowed definition context is '" + allowDefinition + "').", errorInfo.Filename, errorInfo.LineNumber);
 360                 }
 361
 362                 public virtual void WriteCompleted (string streamName, bool success, object writeContext)
 363                 {
 364                 }
 365
 366                 [MonoTODO]
 367                 public virtual void WriteCompleted (string streamName, bool success, object writeContext, bool assertPermissions)
 368                 {
 369                 }
 370
 371                 public virtual bool SupportsChangeNotifications {
 372                         get { return false; }
 373                 }
 374
 375                 public virtual bool SupportsLocation {
 376                         get { return false; }
 377                 }
 378
 379                 public virtual bool SupportsPath {
 380                         get { return false; }
 381                 }
 382
 383                 public virtual bool SupportsRefresh {
 384                         get { return false; }
 385                 }
 386
 387                 [MonoTODO]
 388                 public virtual bool IsRemote {
 389                         get { return false; }
 390                 }
 391
 392                 [MonoTODO]
 393                 public virtual bool IsFullTrustSectionWithoutAptcaAllowed (IInternalConfigRecord configRecord)
 394                 {
 395                         throw new NotImplementedException ();
 396                 }
 397
 398                 [MonoTODO]
 399                 public virtual bool IsInitDelayed (IInternalConfigRecord configRecord)
 400                 {
 401                         throw new NotImplementedException ();
 402                 }
 403
 404                 [MonoTODO]
 405                 public virtual bool IsSecondaryRoot (string configPath)
 406                 {
 407                         throw new NotImplementedException ();
 408                 }
 409
 410                 [MonoTODO]
 411                 public virtual bool IsTrustedConfigPath (string configPath)
 412                 {
 413                         throw new NotImplementedException ();
 414                 }
 415         }
 416 }
 417
 418 #endif