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.Collections;
  33 using System.IO;
  34 using System.Security;
  35 using System.Configuration;
  36 using System.Configuration.Internal;
  37 using System.Web.Util;
  38 using System.Reflection;
  39
  40 /*
  41  * this class needs to be rewritten to support usage of the
  42  * IRemoteWebConfigurationHostServer interface.  Once that's done, we
  43  * need an implementation of that interface that talks (through a web
  44  * service?) to a remote site..
  45  *
  46  * for now, though, just implement it as we do
  47  * System.Configuration.InternalConfigurationHost, i.e. the local
  48  * case.
  49  */
  50 namespace System.Web.Configuration
  51 {
  52         class WebConfigurationHost: IInternalConfigHost
  53         {
  54                 WebConfigurationFileMap map;
  55                 const string MachinePath = ":machine:";
  56                 const string MachineWebPath = ":web:";
  57
  58                 public virtual object CreateConfigurationContext (string configPath, string locationSubPath)
  59                 {
  60                         return new WebContext (WebApplicationLevel.AtApplication /* XXX */,
  61                                                "" /* site XXX */,
  62                                                "" /* application path XXX */,
  63                                                configPath,
  64                                                locationSubPath);
  65                 }
  66
  67                 public virtual object CreateDeprecatedConfigContext (string configPath)
  68                 {
  69                         throw new NotImplementedException ();
  70                 }
  71
  72                 public virtual string DecryptSection (string encryptedXml, ProtectedConfigurationProvider protectionProvider,
  73                                                       ProtectedConfigurationSection protectedSection)
  74                 {
  75                         throw new NotImplementedException ();
  76                 }
  77
  78                 public virtual void DeleteStream (string streamName)
  79                 {
  80                         File.Delete (streamName);
  81                 }
  82
  83                 public virtual string EncryptSection (string encryptedXml, ProtectedConfigurationProvider protectionProvider,
  84                                                       ProtectedConfigurationSection protectedSection)
  85                 {
  86                         throw new NotImplementedException ();
  87                 }
  88
  89                 public virtual string GetConfigPathFromLocationSubPath (string configPath, string locatinSubPath)
  90                 {
  91                         return configPath + "/" + locatinSubPath;
  92                 }
  93
  94                 public virtual Type GetConfigType (string typeName, bool throwOnError)
  95                 {
  96                         Type type = HttpApplication.LoadType (typeName);
  97                         if (type == null && throwOnError)
  98                                 throw new ConfigurationErrorsException ("Type not found: '" + typeName + "'");
  99                         return type;
 100                 }
 101
 102                 public virtual string GetConfigTypeName (Type t)
 103                 {
 104                         return t.AssemblyQualifiedName;
 105                 }
 106
 107                 public virtual void GetRestrictedPermissions (IInternalConfigRecord configRecord, out PermissionSet permissionSet,
 108                                                               out bool isHostReady)
 109                 {
 110                         throw new NotImplementedException ();
 111                 }
 112
 113                 public virtual string GetStreamName (string configPath)
 114                 {
 115                         if (configPath == MachinePath) {
 116                                 if (map == null)
 117                                         return System.Runtime.InteropServices.RuntimeEnvironment.SystemConfigurationFile;
 118                                 else
 119                                         return map.MachineConfigFilename;
 120                         } else if (configPath == MachineWebPath) {
 121                                 string mdir;
 122
 123                                 if (map == null)
 124 #if TARGET_J2EE
 125                                 {
 126                                         // check META-INF/web.config exists
 127                                         java.lang.ClassLoader cl = (java.lang.ClassLoader) AppDomain.CurrentDomain.GetData ("GH_ContextClassLoader");
 128                                         if (cl == null)
 129                                                 return null;
 130                                         java.net.URL url = cl.getResource ("META-INF/web.config");
 131                                         if (url == null)
 132                                                 return null;
 133
 134                                         return "/META-INF/web.config";
 135                                 }
 136 #else
 137                                         mdir = Path.GetDirectoryName (System.Runtime.InteropServices.RuntimeEnvironment.SystemConfigurationFile);
 138 #endif
 139                                 else
 140                                         mdir = Path.GetDirectoryName (map.MachineConfigFilename);
 141
 142                                 return GetWebConfigFileName (mdir);
 143                         }
 144
 145                         string dir = MapPath (configPath);
 146                         return GetWebConfigFileName (dir);
 147                 }
 148
 149                 public virtual string GetStreamNameForConfigSource (string streamName, string configSource)
 150                 {
 151                         throw new NotImplementedException ();
 152                 }
 153
 154                 public virtual object GetStreamVersion (string streamName)
 155                 {
 156                         throw new NotImplementedException ();
 157                 }
 158
 159                 public virtual IDisposable Impersonate ()
 160                 {
 161                         throw new NotImplementedException ();
 162                 }
 163
 164                 public virtual void Init (IInternalConfigRoot root, params object[] hostInitParams)
 165                 {
 166                 }
 167
 168                 public virtual void InitForConfiguration (ref string locationSubPath, out string configPath,
 169                                                           out string locationConfigPath, IInternalConfigRoot root,
 170                                                           params object[] hostInitConfigurationParams)
 171                 {
 172                         string fullPath = (string) hostInitConfigurationParams [1];
 173                         map = (WebConfigurationFileMap) hostInitConfigurationParams [0];
 174
 175                         if (locationSubPath == MachineWebPath) {
 176                                 locationSubPath = MachinePath;
 177                                 configPath = MachineWebPath;
 178                                 locationConfigPath = null;
 179                         } else if (locationSubPath == MachinePath) {
 180                                 locationSubPath = null;
 181                                 configPath = MachinePath;
 182                                 locationConfigPath = null;
 183                         } else {
 184                                 int i;
 185                                 if (locationSubPath == null)
 186                                 {
 187                                         configPath = fullPath;
 188                                         if (configPath.Length > 1)
 189                                                 configPath = VirtualPathUtility.RemoveTrailingSlash (configPath);
 190                                 }
 191                                 else
 192                                         configPath = locationSubPath;
 193
 194                                 if (configPath == HttpRuntime.AppDomainAppVirtualPath
 195                                     || configPath == "/")
 196                                         i = -1;
 197                                 else
 198                                         i = configPath.LastIndexOf ("/");
 199
 200                                 if (i != -1) {
 201                                         locationConfigPath = configPath.Substring (i+1);
 202
 203                                         if (i == 0)
 204                                                 locationSubPath = "/";
 205                                         else
 206                                                 locationSubPath = fullPath.Substring (0, i);
 207                                 } else {
 208                                         locationSubPath = MachineWebPath;
 209                                         locationConfigPath = null;
 210                                 }
 211                         }
 212                 }
 213
 214                 public string MapPath (string virtualPath)
 215                 {
 216                         if (map != null)
 217                                 return MapPathFromMapper (virtualPath);
 218                         else if (HttpContext.Current != null && HttpContext.Current.Request != null)
 219                                 return HttpContext.Current.Request.MapPath (virtualPath);
 220                         else if (HttpRuntime.AppDomainAppVirtualPath != null &&
 221                                  virtualPath.StartsWith (HttpRuntime.AppDomainAppVirtualPath)) {
 222                                 if (virtualPath == HttpRuntime.AppDomainAppVirtualPath)
 223                                         return HttpRuntime.AppDomainAppPath;
 224                                 return UrlUtils.Combine (HttpRuntime.AppDomainAppPath,
 225                                                          virtualPath.Substring (HttpRuntime.AppDomainAppVirtualPath.Length));
 226                         }
 227
 228                         return virtualPath;
 229                 }
 230
 231                 public string NormalizeVirtualPath (string virtualPath)
 232                 {
 233                         if (virtualPath == null || virtualPath.Length == 0)
 234                                 virtualPath = ".";
 235                         else
 236                                 virtualPath = virtualPath.Trim ();
 237
 238                         if (virtualPath [0] == '~' && virtualPath.Length > 2 && virtualPath [1] == '/')
 239                                 virtualPath = virtualPath.Substring (1);
 240
 241                         if (System.IO.Path.DirectorySeparatorChar != '/')
 242                                 virtualPath = virtualPath.Replace (System.IO.Path.DirectorySeparatorChar, '/');
 243
 244                         if (UrlUtils.IsRooted (virtualPath)) {
 245                                 virtualPath = UrlUtils.Canonic (virtualPath);
 246                         } else {
 247                                 if (map.VirtualDirectories.Count > 0) {
 248                                         string root = map.VirtualDirectories [0].VirtualDirectory;
 249                                         virtualPath = UrlUtils.Combine (root, virtualPath);
 250                                         virtualPath = UrlUtils.Canonic (virtualPath);
 251                                 }
 252                         }
 253                         return virtualPath;
 254                 }
 255
 256                 public string MapPathFromMapper (string virtualPath)
 257                 {
 258                         string path = NormalizeVirtualPath (virtualPath);
 259
 260                         foreach (VirtualDirectoryMapping mapping in map.VirtualDirectories) {
 261                                 if (path.StartsWith (mapping.VirtualDirectory)) {
 262                                         int i = mapping.VirtualDirectory.Length;
 263                                         if (path.Length == i) {
 264                                                 return mapping.PhysicalDirectory;
 265                                         }
 266                                         else if (path [i] == '/') {
 267                                                 string pathPart = path.Substring (i + 1).Replace ('/', Path.DirectorySeparatorChar);
 268                                                 return Path.Combine (mapping.PhysicalDirectory, pathPart);
 269                                         }
 270                                 }
 271                         }
 272                         throw new HttpException ("Invalid virtual directory: " + virtualPath);
 273                 }
 274
 275                 string GetWebConfigFileName (string dir)
 276                 {
 277 #if TARGET_J2EE
 278                         DirectoryInfo d = GetCaseSensitiveExistingDirectory (new DirectoryInfo (dir));
 279                         if (d == null)
 280                                 return null;
 281
 282                         FileInfo file = (FileInfo) FindByName ("web.config", d.GetFiles ("W*"));
 283                         if (file == null)
 284                                 file = (FileInfo) FindByName ("web.config", d.GetFiles ("w*"));
 285
 286                         if (file != null)
 287                                 return file.FullName;
 288 #else
 289                         string[] filenames = new string[] {"Web.Config", "Web.config", "web.config" };
 290
 291                         foreach (string fn in filenames) {
 292                                 string file = Path.Combine (dir, fn);
 293                                 if (File.Exists (file))
 294                                         return file;
 295                         }
 296 #endif
 297                         return null;
 298                 }
 299 #if TARGET_J2EE
 300                 static DirectoryInfo GetCaseSensitiveExistingDirectory (DirectoryInfo dir) {
 301                         if (dir == null)
 302                                 return null;
 303                         if (dir.Exists)
 304                                 return dir;
 305
 306                         DirectoryInfo parent = GetCaseSensitiveExistingDirectory (dir.Parent);
 307                         if (parent == null)
 308                                 return null;
 309
 310                         return (DirectoryInfo) FindByName (dir.Name, parent.GetDirectories ());
 311                 }
 312
 313                 static FileSystemInfo FindByName (string name, FileSystemInfo [] infos)
 314                 {
 315                         for (int i = 0; i < infos.Length; i++) {
 316                                 if (String.Compare (name, infos [i].Name, StringComparison.OrdinalIgnoreCase) == 0)
 317                                         return infos [i];
 318                         }
 319                         return null;
 320                 }
 321 #endif
 322                 public virtual bool IsAboveApplication (string configPath)
 323                 {
 324                         throw new NotImplementedException ();
 325                 }
 326
 327                 public virtual bool IsConfigRecordRequired (string configPath)
 328                 {
 329                         throw new NotImplementedException ();
 330                 }
 331
 332                 public virtual bool IsDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition,
 333                                                          ConfigurationAllowExeDefinition allowExeDefinition)
 334                 {
 335                         switch (allowDefinition) {
 336                                 case ConfigurationAllowDefinition.MachineOnly:
 337                                         return configPath == MachinePath || configPath == MachineWebPath;
 338                                 case ConfigurationAllowDefinition.MachineToWebRoot:
 339                                 case ConfigurationAllowDefinition.MachineToApplication:
 340                                         return configPath == MachinePath || configPath == MachineWebPath || configPath == "/" ||
 341                                                 configPath == HttpRuntime.AppDomainAppVirtualPath;
 342                                 default:
 343                                         return true;
 344                         }
 345                 }
 346
 347                 public virtual bool IsFile (string streamName)
 348                 {
 349                         throw new NotImplementedException ();
 350                 }
 351
 352                 public virtual bool IsLocationApplicable (string configPath)
 353                 {
 354                         throw new NotImplementedException ();
 355                 }
 356
 357                 public virtual Stream OpenStreamForRead (string streamName)
 358                 {
 359                         if (!File.Exists (streamName)) {
 360 #if TARGET_J2EE
 361                                 if (streamName != null && (streamName.EndsWith ("machine.config") ||
 362                                                            streamName.EndsWith ("web.config"))) {
 363                                         if (streamName.StartsWith ("/"))
 364                                                 streamName = streamName.Substring (1);
 365                                         java.lang.ClassLoader cl = (java.lang.ClassLoader) AppDomain.CurrentDomain.GetData ("GH_ContextClassLoader");
 366                                         if (cl != null) {
 367                                                 java.io.InputStream inputStream = cl.getResourceAsStream (streamName);
 368                                                 return (Stream) vmw.common.IOUtils.getStream (inputStream);
 369                                         }
 370                                 }
 371 #endif
 372                                 throw new ConfigurationException ("File '" + streamName + "' not found");
 373                         }
 374
 375                         return new FileStream (streamName, FileMode.Open, FileAccess.Read);
 376                 }
 377
 378                 [MonoTODO ("Not implemented")]
 379                 public virtual Stream OpenStreamForRead (string streamName, bool assertPermissions)
 380                 {
 381                         throw new NotImplementedException ();
 382                 }
 383
 384                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext)
 385                 {
 386                         return new FileStream (streamName, FileMode.Create, FileAccess.Write);
 387                 }
 388
 389                 [MonoTODO ("Not implemented")]
 390                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext,
 391                                                           bool assertPermissions)
 392                 {
 393                         throw new NotImplementedException ();
 394                 }
 395
 396                 public virtual bool PrefetchAll (string configPath, string streamName)
 397                 {
 398                         throw new NotImplementedException ();
 399                 }
 400
 401                 public virtual bool PrefetchSection (string sectionGroupName, string sectionName)
 402                 {
 403                         throw new NotImplementedException ();
 404                 }
 405
 406                 [MonoTODO ("Not implemented")]
 407                 public virtual void RequireCompleteInit (IInternalConfigRecord configRecord)
 408                 {
 409                         throw new NotImplementedException ();
 410                 }
 411
 412                 public virtual object StartMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 413                 {
 414                         throw new NotImplementedException ();
 415                 }
 416
 417                 public virtual void StopMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 418                 {
 419                         throw new NotImplementedException ();
 420                 }
 421
 422                 public virtual void VerifyDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition,
 423                                                              ConfigurationAllowExeDefinition allowExeDefinition,
 424                                                              IConfigErrorInfo errorInfo)
 425                 {
 426                         if (!IsDefinitionAllowed (configPath, allowDefinition, allowExeDefinition))
 427                                 throw new ConfigurationErrorsException ("The section can't be defined in this file (the allowed definition context is '" + allowDefinition + "').", errorInfo.Filename, errorInfo.LineNumber);
 428                 }
 429
 430                 [MonoTODO("Does nothing")]
 431                 public virtual void WriteCompleted (string streamName, bool success, object writeContext)
 432                 {
 433                 }
 434
 435                 [MonoTODO("Does nothing")]
 436                 public virtual void WriteCompleted (string streamName, bool success, object writeContext, bool assertPermissions)
 437                 {
 438                 }
 439
 440                 public virtual bool SupportsChangeNotifications {
 441                         get { return false; }
 442                 }
 443
 444                 public virtual bool SupportsLocation {
 445                         get { return false; }
 446                 }
 447
 448                 public virtual bool SupportsPath {
 449                         get { return false; }
 450                 }
 451
 452                 public virtual bool SupportsRefresh {
 453                         get { return false; }
 454                 }
 455
 456                 [MonoTODO("Always returns false")]
 457                 public virtual bool IsRemote {
 458                         get { return false; }
 459                 }
 460
 461                 [MonoTODO ("Not implemented")]
 462                 public virtual bool IsFullTrustSectionWithoutAptcaAllowed (IInternalConfigRecord configRecord)
 463                 {
 464                         throw new NotImplementedException ();
 465                 }
 466
 467                 [MonoTODO ("Not implemented")]
 468                 public virtual bool IsInitDelayed (IInternalConfigRecord configRecord)
 469                 {
 470                         throw new NotImplementedException ();
 471                 }
 472
 473                 [MonoTODO ("Not implemented")]
 474                 public virtual bool IsSecondaryRoot (string configPath)
 475                 {
 476                         throw new NotImplementedException ();
 477                 }
 478
 479                 [MonoTODO ("Not implemented")]
 480                 public virtual bool IsTrustedConfigPath (string configPath)
 481                 {
 482                         throw new NotImplementedException ();
 483                 }
 484         }
 485 }
 486
 487 #endif