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                                 else
 171                                         configPath = locationSubPath;
 172
 173                                 if (configPath == "/")
 174                                         i = -1;
 175                                 else
 176                                         i = configPath.LastIndexOf ("/");
 177
 178                                 if (i != -1) {
 179                                         locationConfigPath = configPath.Substring (i+1);
 180
 181                                         if (i == 0)
 182                                                 locationSubPath = "/";
 183                                         else
 184                                                 locationSubPath = fullPath.Substring (0, i);
 185                                 } else {
 186                                         locationSubPath = MachineWebPath;
 187                                         locationConfigPath = null;
 188                                 }
 189                         }
 190
 191                         if (GetStreamName (configPath) == null) {
 192                                 // There is no config file for this path. Get the next one in the chain.
 193                                 InitForConfiguration (ref locationSubPath, out configPath, out locationConfigPath, root, hostInitConfigurationParams);
 194                         }
 195                 }
 196
 197                 public string MapPath (string virtualPath)
 198                 {
 199                         if (map != null)
 200                                 return MapPathFromMapper (virtualPath);
 201                         else if (HttpContext.Current != null
 202                                  && HttpContext.Current.Request != null)
 203                                 return HttpContext.Current.Request.MapPath (virtualPath);
 204                         else
 205                                 return virtualPath;
 206                 }
 207
 208                 public string NormalizeVirtualPath (string virtualPath)
 209                 {
 210                         if (virtualPath == null || virtualPath.Length == 0)
 211                                 virtualPath = ".";
 212                         else
 213                                 virtualPath = virtualPath.Trim ();
 214
 215                         if (virtualPath [0] == '~' && virtualPath.Length > 2 && virtualPath [1] == '/')
 216                                 virtualPath = virtualPath.Substring (1);
 217
 218                         if (System.IO.Path.DirectorySeparatorChar != '/')
 219                                 virtualPath = virtualPath.Replace (System.IO.Path.DirectorySeparatorChar, '/');
 220
 221                         if (UrlUtils.IsRooted (virtualPath)) {
 222                                 virtualPath = UrlUtils.Canonic (virtualPath);
 223                         } else {
 224                                 if (map.VirtualDirectories.Count > 0) {
 225                                         string root = map.VirtualDirectories [0].VirtualDirectory;
 226                                         virtualPath = UrlUtils.Combine (root, virtualPath);
 227                                         virtualPath = UrlUtils.Canonic (virtualPath);
 228                                 }
 229                         }
 230                         return virtualPath;
 231                 }
 232
 233                 public string MapPathFromMapper (string virtualPath)
 234                 {
 235                         string path = NormalizeVirtualPath (virtualPath);
 236
 237                         foreach (VirtualDirectoryMapping mapping in map.VirtualDirectories) {
 238                                 if (path.StartsWith (mapping.VirtualDirectory)) {
 239                                         int i = mapping.VirtualDirectory.Length;
 240                                         if (path.Length == i) {
 241                                                 return mapping.PhysicalDirectory;
 242                                         }
 243                                         else if (path [i] == '/') {
 244                                                 string pathPart = path.Substring (i + 1).Replace ('/', Path.DirectorySeparatorChar);
 245                                                 return Path.Combine (mapping.PhysicalDirectory, pathPart);
 246                                         }
 247                                 }
 248                         }
 249                         throw new HttpException ("Invalid virtual directory: " + virtualPath);
 250                 }
 251
 252                 string GetWebConfigFileName (string dir)
 253                 {
 254                         string[] filenames = new string[] {"Web.Config", "Web.config", "web.config" };
 255
 256                         foreach (string fn in filenames) {
 257                                 string file = Path.Combine (dir, fn);
 258                                 if (File.Exists (file))
 259                                         return file;
 260                         }
 261
 262                         return null;
 263                 }
 264
 265                 public virtual bool IsAboveApplication (string configPath)
 266                 {
 267                         throw new NotImplementedException ();
 268                 }
 269
 270                 public virtual bool IsConfigRecordRequired (string configPath)
 271                 {
 272                         throw new NotImplementedException ();
 273                 }
 274
 275                 public virtual bool IsDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition, ConfigurationAllowExeDefinition allowExeDefinition)
 276                 {
 277                         switch (allowDefinition) {
 278                                 case ConfigurationAllowDefinition.MachineOnly:
 279                                         return configPath == MachinePath || configPath == MachineWebPath;
 280                                 case ConfigurationAllowDefinition.MachineToWebRoot:
 281                                 case ConfigurationAllowDefinition.MachineToApplication:
 282                                         return configPath == MachinePath || configPath == MachineWebPath || configPath == "/";
 283                                 default:
 284                                         return true;
 285                         }
 286                 }
 287
 288                 public virtual bool IsFile (string streamName)
 289                 {
 290                         throw new NotImplementedException ();
 291                 }
 292
 293                 public virtual bool IsLocationApplicable (string configPath)
 294                 {
 295                         throw new NotImplementedException ();
 296                 }
 297
 298                 public virtual Stream OpenStreamForRead (string streamName)
 299                 {
 300                         if (!File.Exists (streamName))
 301                                 throw new ConfigurationException ("File '" + streamName + "' not found");
 302
 303                         return new FileStream (streamName, FileMode.Open, FileAccess.Read);
 304                 }
 305
 306                 [MonoTODO]
 307                 public virtual Stream OpenStreamForRead (string streamName, bool assertPermissions)
 308                 {
 309                         throw new NotImplementedException ();
 310                 }
 311
 312                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext)
 313                 {
 314                         return new FileStream (streamName, FileMode.Create, FileAccess.Write);
 315                 }
 316
 317                 [MonoTODO]
 318                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext, bool assertPermissions)
 319                 {
 320                         throw new NotImplementedException ();
 321                 }
 322
 323                 public virtual bool PrefetchAll (string configPath, string streamName)
 324                 {
 325                         throw new NotImplementedException ();
 326                 }
 327
 328                 public virtual bool PrefetchSection (string sectionGroupName, string sectionName)
 329                 {
 330                         throw new NotImplementedException ();
 331                 }
 332
 333                 [MonoTODO]
 334                 public virtual void RequireCompleteInit (IInternalConfigRecord configRecord)
 335                 {
 336                         throw new NotImplementedException ();
 337                 }
 338
 339                 public virtual object StartMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 340                 {
 341                         throw new NotImplementedException ();
 342                 }
 343
 344                 public virtual void StopMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 345                 {
 346                         throw new NotImplementedException ();
 347                 }
 348
 349                 public virtual void VerifyDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition, ConfigurationAllowExeDefinition allowExeDefinition, IConfigErrorInfo errorInfo)
 350                 {
 351                         if (!IsDefinitionAllowed (configPath, allowDefinition, allowExeDefinition))
 352                                 throw new ConfigurationErrorsException ("The section can't be defined in this file (the allowed definition context is '" + allowDefinition + "').", errorInfo.Filename, errorInfo.LineNumber);
 353                 }
 354
 355                 public virtual void WriteCompleted (string streamName, bool success, object writeContext)
 356                 {
 357                 }
 358
 359                 [MonoTODO]
 360                 public virtual void WriteCompleted (string streamName, bool success, object writeContext, bool assertPermissions)
 361                 {
 362                 }
 363
 364                 public virtual bool SupportsChangeNotifications {
 365                         get { return false; }
 366                 }
 367
 368                 public virtual bool SupportsLocation {
 369                         get { return false; }
 370                 }
 371
 372                 public virtual bool SupportsPath {
 373                         get { return false; }
 374                 }
 375
 376                 public virtual bool SupportsRefresh {
 377                         get { return false; }
 378                 }
 379
 380                 [MonoTODO]
 381                 public virtual bool IsRemote {
 382                         get { return false; }
 383                 }
 384
 385                 [MonoTODO]
 386                 public virtual bool IsFullTrustSectionWithoutAptcaAllowed (IInternalConfigRecord configRecord)
 387                 {
 388                         throw new NotImplementedException ();
 389                 }
 390
 391                 [MonoTODO]
 392                 public virtual bool IsInitDelayed (IInternalConfigRecord configRecord)
 393                 {
 394                         throw new NotImplementedException ();
 395                 }
 396
 397                 [MonoTODO]
 398                 public virtual bool IsSecondaryRoot (string configPath)
 399                 {
 400                         throw new NotImplementedException ();
 401                 }
 402
 403                 [MonoTODO]
 404                 public virtual bool IsTrustedConfigPath (string configPath)
 405                 {
 406                         throw new NotImplementedException ();
 407                 }
 408         }
 409 }
 410
 411 #endif