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                 private static string privateBinPath;
  95
  96                 private static string PrivateBinPath {
  97                         get {
  98                                 if (privateBinPath != null)
  99                                         return privateBinPath;
 100
 101                                 AppDomainSetup setup = AppDomain.CurrentDomain.SetupInformation;
 102                                 privateBinPath = Path.Combine(setup.ApplicationBase, setup.PrivateBinPath);
 103                                 return privateBinPath;
 104                         }
 105                 }
 106
 107                 private Type LoadType(string typeName)
 108                 {
 109                         Type type = Type.GetType (typeName);
 110                         if (type != null)
 111                                 return type;
 112
 113                         IList tla = System.Web.Compilation.BuildManager.TopLevelAssemblies;
 114                         if (tla != null && tla.Count > 0) {
 115                                 foreach (Assembly asm in tla) {
 116                                         if (asm == null)
 117                                                 continue;
 118                                         type = asm.GetType (typeName, false);
 119                                         if (type != null)
 120                                                 break;
 121                                 }
 122                         }
 123                         if (type != null)
 124                                 return type;
 125
 126                         if (!Directory.Exists (PrivateBinPath))
 127                                 return null;
 128
 129                         string[] binDlls = Directory.GetFiles(PrivateBinPath, "*.dll");
 130                         foreach (string s in binDlls) {
 131                                 Assembly binA = Assembly.LoadFrom (s);
 132                                 type = binA.GetType (typeName);
 133                                 if (type == null)
 134                                         continue;
 135
 136                                 return type;
 137                         }
 138
 139                         return null;
 140                 }
 141
 142                 public virtual Type GetConfigType (string typeName, bool throwOnError)
 143                 {
 144                         Type type = LoadType(typeName);
 145                         if (type == null && throwOnError)
 146                                 throw new ConfigurationErrorsException ("Type not found: '" + typeName + "'");
 147                         return type;
 148                 }
 149
 150                 public virtual string GetConfigTypeName (Type t)
 151                 {
 152                         return t.AssemblyQualifiedName;
 153                 }
 154
 155                 public virtual void GetRestrictedPermissions (IInternalConfigRecord configRecord, out PermissionSet permissionSet,
 156                                                               out bool isHostReady)
 157                 {
 158                         throw new NotImplementedException ();
 159                 }
 160
 161                 public virtual string GetStreamName (string configPath)
 162                 {
 163                         if (configPath == MachinePath) {
 164                                 if (map == null)
 165                                         return System.Runtime.InteropServices.RuntimeEnvironment.SystemConfigurationFile;
 166                                 else
 167                                         return map.MachineConfigFilename;
 168                         } else if (configPath == MachineWebPath) {
 169                                 string mdir;
 170
 171                                 if (map == null)
 172 #if TARGET_J2EE
 173                                         return "/META-INF/web.config";
 174 #else
 175                                         mdir = Path.GetDirectoryName (System.Runtime.InteropServices.RuntimeEnvironment.SystemConfigurationFile);
 176 #endif
 177                                 else
 178                                         mdir = Path.GetDirectoryName (map.MachineConfigFilename);
 179
 180                                 return GetWebConfigFileName (mdir);
 181                         }
 182
 183                         try {
 184                                 string dir = MapPath (configPath);
 185                                 return GetWebConfigFileName (dir);
 186                         } catch (Exception ex) {
 187                                 throw new HttpException (400, "Bad Request");
 188                         }
 189                 }
 190
 191                 public virtual string GetStreamNameForConfigSource (string streamName, string configSource)
 192                 {
 193                         throw new NotImplementedException ();
 194                 }
 195
 196                 public virtual object GetStreamVersion (string streamName)
 197                 {
 198                         throw new NotImplementedException ();
 199                 }
 200
 201                 public virtual IDisposable Impersonate ()
 202                 {
 203                         throw new NotImplementedException ();
 204                 }
 205
 206                 public virtual void Init (IInternalConfigRoot root, params object[] hostInitParams)
 207                 {
 208                 }
 209
 210                 public virtual void InitForConfiguration (ref string locationSubPath, out string configPath,
 211                                                           out string locationConfigPath, IInternalConfigRoot root,
 212                                                           params object[] hostInitConfigurationParams)
 213                 {
 214                         string fullPath = (string) hostInitConfigurationParams [1];
 215                         map = (WebConfigurationFileMap) hostInitConfigurationParams [0];
 216
 217                         if (locationSubPath == MachineWebPath) {
 218                                 locationSubPath = MachinePath;
 219                                 configPath = MachineWebPath;
 220                                 locationConfigPath = null;
 221                         } else if (locationSubPath == MachinePath) {
 222                                 locationSubPath = null;
 223                                 configPath = MachinePath;
 224                                 locationConfigPath = null;
 225                         } else {
 226                                 int i;
 227                                 if (locationSubPath == null)
 228                                         configPath = fullPath;
 229                                 else
 230                                         configPath = locationSubPath;
 231
 232                                 if (configPath == HttpRuntime.AppDomainAppVirtualPath
 233                                     || configPath == "/")
 234                                         i = -1;
 235                                 else
 236                                         i = configPath.LastIndexOf ("/");
 237
 238                                 if (i != -1) {
 239                                         locationConfigPath = configPath.Substring (i+1);
 240
 241                                         if (i == 0)
 242                                                 locationSubPath = "/";
 243                                         else
 244                                                 locationSubPath = fullPath.Substring (0, i);
 245                                 } else {
 246                                         locationSubPath = MachineWebPath;
 247                                         locationConfigPath = null;
 248                                 }
 249                         }
 250                 }
 251
 252                 public string MapPath (string virtualPath)
 253                 {
 254                         if (map != null)
 255                                 return MapPathFromMapper (virtualPath);
 256                         else if (HttpContext.Current != null && HttpContext.Current.Request != null)
 257                                 return HttpContext.Current.Request.MapPath (virtualPath);
 258                         else if (HttpRuntime.AppDomainAppVirtualPath != null &&
 259                                  virtualPath.StartsWith (HttpRuntime.AppDomainAppVirtualPath)) {
 260                                 if (virtualPath == HttpRuntime.AppDomainAppVirtualPath)
 261                                         return HttpRuntime.AppDomainAppPath;
 262                                 return UrlUtils.Combine (HttpRuntime.AppDomainAppPath,
 263                                                          virtualPath.Substring (HttpRuntime.AppDomainAppVirtualPath.Length));
 264                         }
 265
 266                         return virtualPath;
 267                 }
 268
 269                 public string NormalizeVirtualPath (string virtualPath)
 270                 {
 271                         if (virtualPath == null || virtualPath.Length == 0)
 272                                 virtualPath = ".";
 273                         else
 274                                 virtualPath = virtualPath.Trim ();
 275
 276                         if (virtualPath [0] == '~' && virtualPath.Length > 2 && virtualPath [1] == '/')
 277                                 virtualPath = virtualPath.Substring (1);
 278
 279                         if (System.IO.Path.DirectorySeparatorChar != '/')
 280                                 virtualPath = virtualPath.Replace (System.IO.Path.DirectorySeparatorChar, '/');
 281
 282                         if (UrlUtils.IsRooted (virtualPath)) {
 283                                 virtualPath = UrlUtils.Canonic (virtualPath);
 284                         } else {
 285                                 if (map.VirtualDirectories.Count > 0) {
 286                                         string root = map.VirtualDirectories [0].VirtualDirectory;
 287                                         virtualPath = UrlUtils.Combine (root, virtualPath);
 288                                         virtualPath = UrlUtils.Canonic (virtualPath);
 289                                 }
 290                         }
 291                         return virtualPath;
 292                 }
 293
 294                 public string MapPathFromMapper (string virtualPath)
 295                 {
 296                         string path = NormalizeVirtualPath (virtualPath);
 297
 298                         foreach (VirtualDirectoryMapping mapping in map.VirtualDirectories) {
 299                                 if (path.StartsWith (mapping.VirtualDirectory)) {
 300                                         int i = mapping.VirtualDirectory.Length;
 301                                         if (path.Length == i) {
 302                                                 return mapping.PhysicalDirectory;
 303                                         }
 304                                         else if (path [i] == '/') {
 305                                                 string pathPart = path.Substring (i + 1).Replace ('/', Path.DirectorySeparatorChar);
 306                                                 return Path.Combine (mapping.PhysicalDirectory, pathPart);
 307                                         }
 308                                 }
 309                         }
 310                         throw new HttpException ("Invalid virtual directory: " + virtualPath);
 311                 }
 312
 313                 string GetWebConfigFileName (string dir)
 314                 {
 315                         string[] filenames = new string[] {"Web.Config", "Web.config", "web.config" };
 316
 317                         foreach (string fn in filenames) {
 318                                 string file = Path.Combine (dir, fn);
 319                                 if (File.Exists (file))
 320                                         return file;
 321                         }
 322
 323                         return null;
 324                 }
 325
 326                 public virtual bool IsAboveApplication (string configPath)
 327                 {
 328                         throw new NotImplementedException ();
 329                 }
 330
 331                 public virtual bool IsConfigRecordRequired (string configPath)
 332                 {
 333                         throw new NotImplementedException ();
 334                 }
 335
 336                 public virtual bool IsDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition,
 337                                                          ConfigurationAllowExeDefinition allowExeDefinition)
 338                 {
 339                         switch (allowDefinition) {
 340                                 case ConfigurationAllowDefinition.MachineOnly:
 341                                         return configPath == MachinePath || configPath == MachineWebPath;
 342                                 case ConfigurationAllowDefinition.MachineToWebRoot:
 343                                 case ConfigurationAllowDefinition.MachineToApplication:
 344                                         return configPath == MachinePath || configPath == MachineWebPath || configPath == "/" ||
 345                                                 configPath == HttpRuntime.AppDomainAppVirtualPath;
 346                                 default:
 347                                         return true;
 348                         }
 349                 }
 350
 351                 public virtual bool IsFile (string streamName)
 352                 {
 353                         throw new NotImplementedException ();
 354                 }
 355
 356                 public virtual bool IsLocationApplicable (string configPath)
 357                 {
 358                         throw new NotImplementedException ();
 359                 }
 360
 361                 public virtual Stream OpenStreamForRead (string streamName)
 362                 {
 363                         if (!File.Exists (streamName)) {
 364 #if TARGET_J2EE
 365                                 if (streamName != null && (streamName.EndsWith ("machine.config") ||
 366                                                            streamName.EndsWith ("web.config"))) {
 367                                         if (streamName.StartsWith ("/"))
 368                                                 streamName = streamName.Substring (1);
 369                                         java.lang.ClassLoader cl = (java.lang.ClassLoader) AppDomain.CurrentDomain.GetData ("GH_ContextClassLoader");
 370                                         if (cl != null) {
 371                                                 java.io.InputStream inputStream = cl.getResourceAsStream (streamName);
 372                                                 return (Stream) vmw.common.IOUtils.getStream (inputStream);
 373                                         }
 374                                 }
 375 #endif
 376                                 throw new ConfigurationException ("File '" + streamName + "' not found");
 377                         }
 378
 379                         return new FileStream (streamName, FileMode.Open, FileAccess.Read);
 380                 }
 381
 382                 [MonoTODO ("Not implemented")]
 383                 public virtual Stream OpenStreamForRead (string streamName, bool assertPermissions)
 384                 {
 385                         throw new NotImplementedException ();
 386                 }
 387
 388                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext)
 389                 {
 390                         return new FileStream (streamName, FileMode.Create, FileAccess.Write);
 391                 }
 392
 393                 [MonoTODO ("Not implemented")]
 394                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext,
 395                                                           bool assertPermissions)
 396                 {
 397                         throw new NotImplementedException ();
 398                 }
 399
 400                 public virtual bool PrefetchAll (string configPath, string streamName)
 401                 {
 402                         throw new NotImplementedException ();
 403                 }
 404
 405                 public virtual bool PrefetchSection (string sectionGroupName, string sectionName)
 406                 {
 407                         throw new NotImplementedException ();
 408                 }
 409
 410                 [MonoTODO ("Not implemented")]
 411                 public virtual void RequireCompleteInit (IInternalConfigRecord configRecord)
 412                 {
 413                         throw new NotImplementedException ();
 414                 }
 415
 416                 public virtual object StartMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 417                 {
 418                         throw new NotImplementedException ();
 419                 }
 420
 421                 public virtual void StopMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 422                 {
 423                         throw new NotImplementedException ();
 424                 }
 425
 426                 public virtual void VerifyDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition,
 427                                                              ConfigurationAllowExeDefinition allowExeDefinition,
 428                                                              IConfigErrorInfo errorInfo)
 429                 {
 430                         if (!IsDefinitionAllowed (configPath, allowDefinition, allowExeDefinition))
 431                                 throw new ConfigurationErrorsException ("The section can't be defined in this file (the allowed definition context is '" + allowDefinition + "').", errorInfo.Filename, errorInfo.LineNumber);
 432                 }
 433
 434                 [MonoTODO("Does nothing")]
 435                 public virtual void WriteCompleted (string streamName, bool success, object writeContext)
 436                 {
 437                 }
 438
 439                 [MonoTODO("Does nothing")]
 440                 public virtual void WriteCompleted (string streamName, bool success, object writeContext, bool assertPermissions)
 441                 {
 442                 }
 443
 444                 public virtual bool SupportsChangeNotifications {
 445                         get { return false; }
 446                 }
 447
 448                 public virtual bool SupportsLocation {
 449                         get { return false; }
 450                 }
 451
 452                 public virtual bool SupportsPath {
 453                         get { return false; }
 454                 }
 455
 456                 public virtual bool SupportsRefresh {
 457                         get { return false; }
 458                 }
 459
 460                 [MonoTODO("Always returns false")]
 461                 public virtual bool IsRemote {
 462                         get { return false; }
 463                 }
 464
 465                 [MonoTODO ("Not implemented")]
 466                 public virtual bool IsFullTrustSectionWithoutAptcaAllowed (IInternalConfigRecord configRecord)
 467                 {
 468                         throw new NotImplementedException ();
 469                 }
 470
 471                 [MonoTODO ("Not implemented")]
 472                 public virtual bool IsInitDelayed (IInternalConfigRecord configRecord)
 473                 {
 474                         throw new NotImplementedException ();
 475                 }
 476
 477                 [MonoTODO ("Not implemented")]
 478                 public virtual bool IsSecondaryRoot (string configPath)
 479                 {
 480                         throw new NotImplementedException ();
 481                 }
 482
 483                 [MonoTODO ("Not implemented")]
 484                 public virtual bool IsTrustedConfigPath (string configPath)
 485                 {
 486                         throw new NotImplementedException ();
 487                 }
 488         }
 489 }
 490
 491 #endif