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.Hosting;
  38 using System.Web.Util;
  39 using System.Reflection;
  40
  41 /*
  42  * this class needs to be rewritten to support usage of the
  43  * IRemoteWebConfigurationHostServer interface.  Once that's done, we
  44  * need an implementation of that interface that talks (through a web
  45  * service?) to a remote site..
  46  *
  47  * for now, though, just implement it as we do
  48  * System.Configuration.InternalConfigurationHost, i.e. the local
  49  * case.
  50  */
  51 namespace System.Web.Configuration
  52 {
  53         class WebConfigurationHost: IInternalConfigHost
  54         {
  55                 WebConfigurationFileMap map;
  56                 const string MachinePath = ":machine:";
  57                 const string MachineWebPath = ":web:";
  58
  59                 public virtual object CreateConfigurationContext (string configPath, string locationSubPath)
  60                 {
  61                         return new WebContext (WebApplicationLevel.AtApplication /* XXX */,
  62                                                "" /* site XXX */,
  63                                                "" /* application path XXX */,
  64                                                configPath,
  65                                                locationSubPath);
  66                 }
  67
  68                 public virtual object CreateDeprecatedConfigContext (string configPath)
  69                 {
  70                         return new HttpConfigurationContext(configPath);
  71                 }
  72
  73                 public virtual string DecryptSection (string encryptedXml, ProtectedConfigurationProvider protectionProvider,
  74                                                       ProtectedConfigurationSection protectedSection)
  75                 {
  76                         throw new NotImplementedException ();
  77                 }
  78
  79                 public virtual void DeleteStream (string streamName)
  80                 {
  81                         File.Delete (streamName);
  82                 }
  83
  84                 public virtual string EncryptSection (string encryptedXml, ProtectedConfigurationProvider protectionProvider,
  85                                                       ProtectedConfigurationSection protectedSection)
  86                 {
  87                         throw new NotImplementedException ();
  88                 }
  89
  90                 public virtual string GetConfigPathFromLocationSubPath (string configPath, string locatinSubPath)
  91                 {
  92                         return configPath + "/" + locatinSubPath;
  93                 }
  94
  95                 public virtual Type GetConfigType (string typeName, bool throwOnError)
  96                 {
  97                         Type type = HttpApplication.LoadType (typeName);
  98                         if (type == null && throwOnError)
  99                                 throw new ConfigurationErrorsException ("Type not found: '" + typeName + "'");
 100                         return type;
 101                 }
 102
 103                 public virtual string GetConfigTypeName (Type t)
 104                 {
 105                         return t.AssemblyQualifiedName;
 106                 }
 107
 108                 public virtual void GetRestrictedPermissions (IInternalConfigRecord configRecord, out PermissionSet permissionSet,
 109                                                               out bool isHostReady)
 110                 {
 111                         throw new NotImplementedException ();
 112                 }
 113
 114                 public virtual string GetStreamName (string configPath)
 115                 {
 116                         if (configPath == MachinePath) {
 117                                 if (map == null)
 118                                         return System.Runtime.InteropServices.RuntimeEnvironment.SystemConfigurationFile;
 119                                 else
 120                                         return map.MachineConfigFilename;
 121                         } else if (configPath == MachineWebPath) {
 122                                 string mdir;
 123
 124                                 if (map == null)
 125 #if TARGET_J2EE
 126                                 {
 127                                         // check META-INF/web.config exists
 128                                         java.lang.ClassLoader cl = (java.lang.ClassLoader) AppDomain.CurrentDomain.GetData ("GH_ContextClassLoader");
 129                                         if (cl == null)
 130                                                 return null;
 131                                         java.io.InputStream wcs = cl.getResourceAsStream ("META-INF/web.config");
 132                                         if (wcs == null)
 133                                                 return null;
 134
 135                                         wcs.close ();
 136
 137                                         return "/META-INF/web.config";
 138                                 }
 139 #else
 140                                         mdir = Path.GetDirectoryName (System.Runtime.InteropServices.RuntimeEnvironment.SystemConfigurationFile);
 141 #endif
 142                                 else
 143                                         mdir = Path.GetDirectoryName (map.MachineConfigFilename);
 144
 145                                 return GetWebConfigFileName (mdir);
 146                         }
 147
 148                         string dir = MapPath (configPath);
 149                         return GetWebConfigFileName (dir);
 150                 }
 151
 152                 public virtual string GetStreamNameForConfigSource (string streamName, string configSource)
 153                 {
 154                         throw new NotImplementedException ();
 155                 }
 156
 157                 public virtual object GetStreamVersion (string streamName)
 158                 {
 159                         throw new NotImplementedException ();
 160                 }
 161
 162                 public virtual IDisposable Impersonate ()
 163                 {
 164                         throw new NotImplementedException ();
 165                 }
 166
 167                 public virtual void Init (IInternalConfigRoot root, params object[] hostInitParams)
 168                 {
 169                 }
 170
 171                 public virtual void InitForConfiguration (ref string locationSubPath, out string configPath,
 172                                                           out string locationConfigPath, IInternalConfigRoot root,
 173                                                           params object[] hostInitConfigurationParams)
 174                 {
 175                         string fullPath = (string) hostInitConfigurationParams [1];
 176                         map = (WebConfigurationFileMap) hostInitConfigurationParams [0];
 177
 178                         if (locationSubPath == MachineWebPath) {
 179                                 locationSubPath = MachinePath;
 180                                 configPath = MachineWebPath;
 181                                 locationConfigPath = null;
 182                         } else if (locationSubPath == MachinePath) {
 183                                 locationSubPath = null;
 184                                 configPath = MachinePath;
 185                                 locationConfigPath = null;
 186                         } else {
 187                                 int i;
 188                                 if (locationSubPath == null)
 189                                 {
 190                                         configPath = fullPath;
 191                                         if (configPath.Length > 1)
 192                                                 configPath = VirtualPathUtility.RemoveTrailingSlash (configPath);
 193                                 }
 194                                 else
 195                                         configPath = locationSubPath;
 196
 197                                 if (configPath == HttpRuntime.AppDomainAppVirtualPath
 198                                     || configPath == "/")
 199                                         i = -1;
 200                                 else
 201                                         i = configPath.LastIndexOf ("/");
 202
 203                                 if (i != -1) {
 204                                         locationConfigPath = configPath.Substring (i+1);
 205
 206                                         if (i == 0)
 207                                                 locationSubPath = "/";
 208                                         else
 209                                                 locationSubPath = fullPath.Substring (0, i);
 210                                 } else {
 211                                         locationSubPath = MachineWebPath;
 212                                         locationConfigPath = null;
 213                                 }
 214                         }
 215                 }
 216
 217                 public string MapPath (string virtualPath)
 218                 {
 219                         if (map != null)
 220                                 return MapPathFromMapper (virtualPath);
 221                         else if (HttpContext.Current != null && HttpContext.Current.Request != null)
 222                                 return HttpContext.Current.Request.MapPath (virtualPath);
 223                         else if (HttpRuntime.AppDomainAppVirtualPath != null &&
 224                                  virtualPath.StartsWith (HttpRuntime.AppDomainAppVirtualPath)) {
 225                                 if (virtualPath == HttpRuntime.AppDomainAppVirtualPath)
 226                                         return HttpRuntime.AppDomainAppPath;
 227                                 return UrlUtils.Combine (HttpRuntime.AppDomainAppPath,
 228                                                          virtualPath.Substring (HttpRuntime.AppDomainAppVirtualPath.Length));
 229                         }
 230
 231                         return virtualPath;
 232                 }
 233
 234                 public string NormalizeVirtualPath (string virtualPath)
 235                 {
 236                         if (virtualPath == null || virtualPath.Length == 0)
 237                                 virtualPath = ".";
 238                         else
 239                                 virtualPath = virtualPath.Trim ();
 240
 241                         if (virtualPath [0] == '~' && virtualPath.Length > 2 && virtualPath [1] == '/')
 242                                 virtualPath = virtualPath.Substring (1);
 243
 244                         if (System.IO.Path.DirectorySeparatorChar != '/')
 245                                 virtualPath = virtualPath.Replace (System.IO.Path.DirectorySeparatorChar, '/');
 246
 247                         if (UrlUtils.IsRooted (virtualPath)) {
 248                                 virtualPath = UrlUtils.Canonic (virtualPath);
 249                         } else {
 250                                 if (map.VirtualDirectories.Count > 0) {
 251                                         string root = map.VirtualDirectories [0].VirtualDirectory;
 252                                         virtualPath = UrlUtils.Combine (root, virtualPath);
 253                                         virtualPath = UrlUtils.Canonic (virtualPath);
 254                                 }
 255                         }
 256                         return virtualPath;
 257                 }
 258
 259                 public string MapPathFromMapper (string virtualPath)
 260                 {
 261                         string path = NormalizeVirtualPath (virtualPath);
 262
 263                         foreach (VirtualDirectoryMapping mapping in map.VirtualDirectories) {
 264                                 if (path.StartsWith (mapping.VirtualDirectory)) {
 265                                         int i = mapping.VirtualDirectory.Length;
 266                                         if (path.Length == i) {
 267                                                 return mapping.PhysicalDirectory;
 268                                         }
 269                                         else if (path [i] == '/') {
 270                                                 string pathPart = path.Substring (i + 1).Replace ('/', Path.DirectorySeparatorChar);
 271                                                 return Path.Combine (mapping.PhysicalDirectory, pathPart);
 272                                         }
 273                                 }
 274                         }
 275                         throw new HttpException ("Invalid virtual directory: " + virtualPath);
 276                 }
 277
 278                 string GetWebConfigFileName (string dir)
 279                 {
 280 #if TARGET_J2EE
 281                         DirectoryInfo d = GetCaseSensitiveExistingDirectory (new DirectoryInfo (dir));
 282                         if (d == null)
 283                                 return null;
 284
 285                         FileInfo file = (FileInfo) FindByName ("web.config", d.GetFiles ("W*"));
 286                         if (file == null)
 287                                 file = (FileInfo) FindByName ("web.config", d.GetFiles ("w*"));
 288
 289                         if (file != null)
 290                                 return file.FullName;
 291 #else
 292                         AppDomain domain = AppDomain.CurrentDomain;
 293                         bool hosted = (domain.GetData (ApplicationHost.MonoHostedDataKey) as string) == "yes";
 294
 295                         if (hosted) {
 296                                 foreach (string fn in ApplicationHost.WebConfigFileNames) {
 297                                         string file = Path.Combine (dir, fn);
 298                                         if (File.Exists (file))
 299                                                 return file;
 300                                 }
 301                         } else {
 302                                 Assembly asm = Assembly.GetEntryAssembly () ?? Assembly.GetCallingAssembly ();
 303                                 string name = Path.GetFileName (asm.Location);
 304                                 string[] fileNames = new string[] {name + ".config", name + ".Config"};
 305                                 string appDir = domain.BaseDirectory;
 306                                 string file;
 307
 308                                 foreach (string fn in fileNames) {
 309                                         file = Path.Combine (appDir, fn);
 310                                         if (File.Exists (file))
 311                                                 return file;
 312                                 }
 313                         }
 314 #endif
 315                         return null;
 316                 }
 317 #if TARGET_J2EE
 318                 static DirectoryInfo GetCaseSensitiveExistingDirectory (DirectoryInfo dir) {
 319                         if (dir == null)
 320                                 return null;
 321                         if (dir.Exists)
 322                                 return dir;
 323
 324                         DirectoryInfo parent = GetCaseSensitiveExistingDirectory (dir.Parent);
 325                         if (parent == null)
 326                                 return null;
 327
 328                         return (DirectoryInfo) FindByName (dir.Name, parent.GetDirectories ());
 329                 }
 330
 331                 static FileSystemInfo FindByName (string name, FileSystemInfo [] infos)
 332                 {
 333                         for (int i = 0; i < infos.Length; i++) {
 334                                 if (String.Compare (name, infos [i].Name, StringComparison.OrdinalIgnoreCase) == 0)
 335                                         return infos [i];
 336                         }
 337                         return null;
 338                 }
 339 #endif
 340                 public virtual bool IsAboveApplication (string configPath)
 341                 {
 342                         throw new NotImplementedException ();
 343                 }
 344
 345                 public virtual bool IsConfigRecordRequired (string configPath)
 346                 {
 347                         throw new NotImplementedException ();
 348                 }
 349
 350                 public virtual bool IsDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition,
 351                                                          ConfigurationAllowExeDefinition allowExeDefinition)
 352                 {
 353                         switch (allowDefinition) {
 354                                 case ConfigurationAllowDefinition.MachineOnly:
 355                                         return configPath == MachinePath || configPath == MachineWebPath;
 356                                 case ConfigurationAllowDefinition.MachineToWebRoot:
 357                                 case ConfigurationAllowDefinition.MachineToApplication:
 358                                         return configPath == MachinePath || configPath == MachineWebPath || configPath == "/" ||
 359                                                 configPath == HttpRuntime.AppDomainAppVirtualPath;
 360                                 default:
 361                                         return true;
 362                         }
 363                 }
 364
 365                 public virtual bool IsFile (string streamName)
 366                 {
 367                         throw new NotImplementedException ();
 368                 }
 369
 370                 public virtual bool IsLocationApplicable (string configPath)
 371                 {
 372                         throw new NotImplementedException ();
 373                 }
 374
 375                 public virtual Stream OpenStreamForRead (string streamName)
 376                 {
 377                         if (!File.Exists (streamName)) {
 378 #if TARGET_J2EE
 379                                 if (streamName != null && (streamName.EndsWith ("machine.config") ||
 380                                                            streamName.EndsWith ("web.config"))) {
 381                                         if (streamName.StartsWith ("/"))
 382                                                 streamName = streamName.Substring (1);
 383                                         java.lang.ClassLoader cl = (java.lang.ClassLoader) AppDomain.CurrentDomain.GetData ("GH_ContextClassLoader");
 384                                         if (cl != null) {
 385                                                 java.io.InputStream inputStream = cl.getResourceAsStream (streamName);
 386                                                 return new System.Web.J2EE.J2EEUtils.InputStreamWrapper (inputStream);
 387                                         }
 388                                 }
 389 #endif
 390                                 throw new ConfigurationException ("File '" + streamName + "' not found");
 391                         }
 392
 393                         return new FileStream (streamName, FileMode.Open, FileAccess.Read);
 394                 }
 395
 396                 [MonoTODO ("Not implemented")]
 397                 public virtual Stream OpenStreamForRead (string streamName, bool assertPermissions)
 398                 {
 399                         throw new NotImplementedException ();
 400                 }
 401
 402                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext)
 403                 {
 404                         return new FileStream (streamName, FileMode.Create, FileAccess.Write);
 405                 }
 406
 407                 [MonoTODO ("Not implemented")]
 408                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext,
 409                                                           bool assertPermissions)
 410                 {
 411                         throw new NotImplementedException ();
 412                 }
 413
 414                 public virtual bool PrefetchAll (string configPath, string streamName)
 415                 {
 416                         throw new NotImplementedException ();
 417                 }
 418
 419                 public virtual bool PrefetchSection (string sectionGroupName, string sectionName)
 420                 {
 421                         throw new NotImplementedException ();
 422                 }
 423
 424                 [MonoTODO ("Not implemented")]
 425                 public virtual void RequireCompleteInit (IInternalConfigRecord configRecord)
 426                 {
 427                         throw new NotImplementedException ();
 428                 }
 429
 430                 public virtual object StartMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 431                 {
 432                         throw new NotImplementedException ();
 433                 }
 434
 435                 public virtual void StopMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 436                 {
 437                         throw new NotImplementedException ();
 438                 }
 439
 440                 public virtual void VerifyDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition,
 441                                                              ConfigurationAllowExeDefinition allowExeDefinition,
 442                                                              IConfigErrorInfo errorInfo)
 443                 {
 444                         if (!IsDefinitionAllowed (configPath, allowDefinition, allowExeDefinition))
 445                                 throw new ConfigurationErrorsException ("The section can't be defined in this file (the allowed definition context is '" + allowDefinition + "').", errorInfo.Filename, errorInfo.LineNumber);
 446                 }
 447
 448                 [MonoTODO("Does nothing")]
 449                 public virtual void WriteCompleted (string streamName, bool success, object writeContext)
 450                 {
 451                 }
 452
 453                 [MonoTODO("Does nothing")]
 454                 public virtual void WriteCompleted (string streamName, bool success, object writeContext, bool assertPermissions)
 455                 {
 456                 }
 457
 458                 public virtual bool SupportsChangeNotifications {
 459                         get { return false; }
 460                 }
 461
 462                 public virtual bool SupportsLocation {
 463                         get { return false; }
 464                 }
 465
 466                 public virtual bool SupportsPath {
 467                         get { return false; }
 468                 }
 469
 470                 public virtual bool SupportsRefresh {
 471                         get { return false; }
 472                 }
 473
 474                 [MonoTODO("Always returns false")]
 475                 public virtual bool IsRemote {
 476                         get { return false; }
 477                 }
 478
 479                 [MonoTODO ("Not implemented")]
 480                 public virtual bool IsFullTrustSectionWithoutAptcaAllowed (IInternalConfigRecord configRecord)
 481                 {
 482                         throw new NotImplementedException ();
 483                 }
 484
 485                 [MonoTODO ("Not implemented")]
 486                 public virtual bool IsInitDelayed (IInternalConfigRecord configRecord)
 487                 {
 488                         throw new NotImplementedException ();
 489                 }
 490
 491                 [MonoTODO ("Not implemented")]
 492                 public virtual bool IsSecondaryRoot (string configPath)
 493                 {
 494                         throw new NotImplementedException ();
 495                 }
 496
 497                 [MonoTODO ("Not implemented")]
 498                 public virtual bool IsTrustedConfigPath (string configPath)
 499                 {
 500                         throw new NotImplementedException ();
 501                 }
 502         }
 503 }
 504
 505 #endif