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 (!String.IsNullOrEmpty (virtualPath)) {
 220                                 if (virtualPath.StartsWith (System.Web.Compilation.BuildManager.FAKE_VIRTUAL_PATH_PREFIX, StringComparison.Ordinal))
 221                                         return HttpRuntime.AppDomainAppPath;
 222                         }
 223
 224                         if (map != null)
 225                                 return MapPathFromMapper (virtualPath);
 226                         else if (HttpContext.Current != null && HttpContext.Current.Request != null)
 227                                 return HttpContext.Current.Request.MapPath (virtualPath);
 228                         else if (HttpRuntime.AppDomainAppVirtualPath != null &&
 229                                  virtualPath.StartsWith (HttpRuntime.AppDomainAppVirtualPath)) {
 230                                 if (virtualPath == HttpRuntime.AppDomainAppVirtualPath)
 231                                         return HttpRuntime.AppDomainAppPath;
 232                                 return UrlUtils.Combine (HttpRuntime.AppDomainAppPath,
 233                                                          virtualPath.Substring (HttpRuntime.AppDomainAppVirtualPath.Length));
 234                         }
 235
 236                         return virtualPath;
 237                 }
 238
 239                 public string NormalizeVirtualPath (string virtualPath)
 240                 {
 241                         if (virtualPath == null || virtualPath.Length == 0)
 242                                 virtualPath = ".";
 243                         else
 244                                 virtualPath = virtualPath.Trim ();
 245
 246                         if (virtualPath [0] == '~' && virtualPath.Length > 2 && virtualPath [1] == '/')
 247                                 virtualPath = virtualPath.Substring (1);
 248
 249                         if (System.IO.Path.DirectorySeparatorChar != '/')
 250                                 virtualPath = virtualPath.Replace (System.IO.Path.DirectorySeparatorChar, '/');
 251
 252                         if (UrlUtils.IsRooted (virtualPath)) {
 253                                 virtualPath = UrlUtils.Canonic (virtualPath);
 254                         } else {
 255                                 if (map.VirtualDirectories.Count > 0) {
 256                                         string root = map.VirtualDirectories [0].VirtualDirectory;
 257                                         virtualPath = UrlUtils.Combine (root, virtualPath);
 258                                         virtualPath = UrlUtils.Canonic (virtualPath);
 259                                 }
 260                         }
 261                         return virtualPath;
 262                 }
 263
 264                 public string MapPathFromMapper (string virtualPath)
 265                 {
 266                         string path = NormalizeVirtualPath (virtualPath);
 267
 268                         foreach (VirtualDirectoryMapping mapping in map.VirtualDirectories) {
 269                                 if (path.StartsWith (mapping.VirtualDirectory)) {
 270                                         int i = mapping.VirtualDirectory.Length;
 271                                         if (path.Length == i) {
 272                                                 return mapping.PhysicalDirectory;
 273                                         }
 274                                         else if (path [i] == '/') {
 275                                                 string pathPart = path.Substring (i + 1).Replace ('/', Path.DirectorySeparatorChar);
 276                                                 return Path.Combine (mapping.PhysicalDirectory, pathPart);
 277                                         }
 278                                 }
 279                         }
 280                         throw new HttpException ("Invalid virtual directory: " + virtualPath);
 281                 }
 282
 283                 internal static string GetWebConfigFileName (string dir)
 284                 {
 285 #if TARGET_J2EE
 286                         DirectoryInfo d = GetCaseSensitiveExistingDirectory (new DirectoryInfo (dir));
 287                         if (d == null)
 288                                 return null;
 289
 290                         FileInfo file = (FileInfo) FindByName ("web.config", d.GetFiles ("W*"));
 291                         if (file == null)
 292                                 file = (FileInfo) FindByName ("web.config", d.GetFiles ("w*"));
 293
 294                         if (file != null)
 295                                 return file.FullName;
 296 #else
 297                         AppDomain domain = AppDomain.CurrentDomain;
 298                         bool hosted = (domain.GetData (ApplicationHost.MonoHostedDataKey) as string) == "yes";
 299
 300                         if (hosted) {
 301                                 foreach (string fn in ApplicationHost.WebConfigFileNames) {
 302                                         string file = Path.Combine (dir, fn);
 303                                         if (File.Exists (file))
 304                                                 return file;
 305                                 }
 306                         } else {
 307                                 Assembly asm = Assembly.GetEntryAssembly () ?? Assembly.GetCallingAssembly ();
 308                                 string name = Path.GetFileName (asm.Location);
 309                                 string[] fileNames = new string[] {name + ".config", name + ".Config"};
 310                                 string appDir = domain.BaseDirectory;
 311                                 string file;
 312
 313                                 foreach (string fn in fileNames) {
 314                                         file = Path.Combine (appDir, fn);
 315                                         if (File.Exists (file))
 316                                                 return file;
 317                                 }
 318                         }
 319 #endif
 320                         return null;
 321                 }
 322 #if TARGET_J2EE
 323                 static DirectoryInfo GetCaseSensitiveExistingDirectory (DirectoryInfo dir) {
 324                         if (dir == null)
 325                                 return null;
 326                         if (dir.Exists)
 327                                 return dir;
 328
 329                         DirectoryInfo parent = GetCaseSensitiveExistingDirectory (dir.Parent);
 330                         if (parent == null)
 331                                 return null;
 332
 333                         return (DirectoryInfo) FindByName (dir.Name, parent.GetDirectories ());
 334                 }
 335
 336                 static FileSystemInfo FindByName (string name, FileSystemInfo [] infos)
 337                 {
 338                         for (int i = 0; i < infos.Length; i++) {
 339                                 if (String.Compare (name, infos [i].Name, StringComparison.OrdinalIgnoreCase) == 0)
 340                                         return infos [i];
 341                         }
 342                         return null;
 343                 }
 344 #endif
 345                 public virtual bool IsAboveApplication (string configPath)
 346                 {
 347                         throw new NotImplementedException ();
 348                 }
 349
 350                 public virtual bool IsConfigRecordRequired (string configPath)
 351                 {
 352                         throw new NotImplementedException ();
 353                 }
 354
 355                 public virtual bool IsDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition,
 356                                                          ConfigurationAllowExeDefinition allowExeDefinition)
 357                 {
 358                         switch (allowDefinition) {
 359                                 case ConfigurationAllowDefinition.MachineOnly:
 360                                         return configPath == MachinePath || configPath == MachineWebPath;
 361                                 case ConfigurationAllowDefinition.MachineToWebRoot:
 362                                 case ConfigurationAllowDefinition.MachineToApplication:
 363                                         return (String.Compare (configPath, MachinePath, StringComparison.Ordinal) == 0) ||
 364                                                 (String.Compare (configPath, MachineWebPath, StringComparison.Ordinal) == 0) ||
 365                                                 (String.Compare (configPath, "/", StringComparison.Ordinal) == 0) ||
 366                                                 (String.Compare (configPath, "~", StringComparison.Ordinal) == 0) ||
 367                                                 (String.Compare (configPath, HttpRuntime.AppDomainAppVirtualPath) == 0);
 368                                 default:
 369                                         return true;
 370                         }
 371                 }
 372
 373                 public virtual bool IsFile (string streamName)
 374                 {
 375                         throw new NotImplementedException ();
 376                 }
 377
 378                 public virtual bool IsLocationApplicable (string configPath)
 379                 {
 380                         throw new NotImplementedException ();
 381                 }
 382
 383                 public virtual Stream OpenStreamForRead (string streamName)
 384                 {
 385                         if (!File.Exists (streamName)) {
 386 #if TARGET_J2EE
 387                                 if (streamName != null && (streamName.EndsWith ("machine.config") ||
 388                                                            streamName.EndsWith ("web.config"))) {
 389                                         if (streamName.StartsWith ("/"))
 390                                                 streamName = streamName.Substring (1);
 391                                         java.lang.ClassLoader cl = (java.lang.ClassLoader) AppDomain.CurrentDomain.GetData ("GH_ContextClassLoader");
 392                                         if (cl != null) {
 393                                                 java.io.InputStream inputStream = cl.getResourceAsStream (streamName);
 394                                                 return new System.Web.J2EE.J2EEUtils.InputStreamWrapper (inputStream);
 395                                         }
 396                                 }
 397 #endif
 398                                 throw new ConfigurationException ("File '" + streamName + "' not found");
 399                         }
 400
 401                         return new FileStream (streamName, FileMode.Open, FileAccess.Read);
 402                 }
 403
 404                 [MonoTODO ("Not implemented")]
 405                 public virtual Stream OpenStreamForRead (string streamName, bool assertPermissions)
 406                 {
 407                         throw new NotImplementedException ();
 408                 }
 409
 410                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext)
 411                 {
 412                         return new FileStream (streamName, FileMode.Create, FileAccess.Write);
 413                 }
 414
 415                 [MonoTODO ("Not implemented")]
 416                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext,
 417                                                           bool assertPermissions)
 418                 {
 419                         throw new NotImplementedException ();
 420                 }
 421
 422                 public virtual bool PrefetchAll (string configPath, string streamName)
 423                 {
 424                         throw new NotImplementedException ();
 425                 }
 426
 427                 public virtual bool PrefetchSection (string sectionGroupName, string sectionName)
 428                 {
 429                         throw new NotImplementedException ();
 430                 }
 431
 432                 [MonoTODO ("Not implemented")]
 433                 public virtual void RequireCompleteInit (IInternalConfigRecord configRecord)
 434                 {
 435                         throw new NotImplementedException ();
 436                 }
 437
 438                 public virtual object StartMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 439                 {
 440                         throw new NotImplementedException ();
 441                 }
 442
 443                 public virtual void StopMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 444                 {
 445                         throw new NotImplementedException ();
 446                 }
 447
 448                 public virtual void VerifyDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition,
 449                                                              ConfigurationAllowExeDefinition allowExeDefinition,
 450                                                              IConfigErrorInfo errorInfo)
 451                 {
 452                         if (!IsDefinitionAllowed (configPath, allowDefinition, allowExeDefinition))
 453                                 throw new ConfigurationErrorsException ("The section can't be defined in this file (the allowed definition context is '" + allowDefinition + "').", errorInfo.Filename, errorInfo.LineNumber);
 454                 }
 455
 456                 [MonoTODO("Does nothing")]
 457                 public virtual void WriteCompleted (string streamName, bool success, object writeContext)
 458                 {
 459                 }
 460
 461                 [MonoTODO("Does nothing")]
 462                 public virtual void WriteCompleted (string streamName, bool success, object writeContext, bool assertPermissions)
 463                 {
 464                 }
 465
 466                 public virtual bool SupportsChangeNotifications {
 467                         get { return false; }
 468                 }
 469
 470                 public virtual bool SupportsLocation {
 471                         get { return false; }
 472                 }
 473
 474                 public virtual bool SupportsPath {
 475                         get { return false; }
 476                 }
 477
 478                 public virtual bool SupportsRefresh {
 479                         get { return false; }
 480                 }
 481
 482                 [MonoTODO("Always returns false")]
 483                 public virtual bool IsRemote {
 484                         get { return false; }
 485                 }
 486
 487                 [MonoTODO ("Not implemented")]
 488                 public virtual bool IsFullTrustSectionWithoutAptcaAllowed (IInternalConfigRecord configRecord)
 489                 {
 490                         throw new NotImplementedException ();
 491                 }
 492
 493                 [MonoTODO ("Not implemented")]
 494                 public virtual bool IsInitDelayed (IInternalConfigRecord configRecord)
 495                 {
 496                         throw new NotImplementedException ();
 497                 }
 498
 499                 [MonoTODO ("Not implemented")]
 500                 public virtual bool IsSecondaryRoot (string configPath)
 501                 {
 502                         throw new NotImplementedException ();
 503                 }
 504
 505                 [MonoTODO ("Not implemented")]
 506                 public virtual bool IsTrustedConfigPath (string configPath)
 507                 {
 508                         throw new NotImplementedException ();
 509                 }
 510         }
 511 }
 512
 513 #endif