mcs/class/System.Web/System.Web.Configuration_2.0/WebConfigurationHost.cs

   1 //
   2 // System.Web.Configuration.WebConfigurationHost.cs
   3 //
   4 // Authors:
   5 //  Lluis Sanchez Gual (lluis@novell.com)
   6 //
   7 // Permission is hereby granted, free of charge, to any person obtaining
   8 // a copy of this software and associated documentation files (the
   9 // "Software"), to deal in the Software without restriction, including
  10 // without limitation the rights to use, copy, modify, merge, publish,
  11 // distribute, sublicense, and/or sell copies of the Software, and to
  12 // permit persons to whom the Software is furnished to do so, subject to
  13 // the following conditions:
  14 //
  15 // The above copyright notice and this permission notice shall be
  16 // included in all copies or substantial portions of the Software.
  17 //
  18 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  19 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  21 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  22 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  23 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  24 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25 //
  26 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
  27 //
  28
  29 #if NET_2_0
  30
  31 using System;
  32 using System.IO;
  33 using System.Security;
  34 using System.Configuration;
  35 using System.Configuration.Internal;
  36 using System.Web.Util;
  37 using System.Reflection;
  38
  39 /*
  40  * this class needs to be rewritten to support usage of the
  41  * IRemoteWebConfigurationHostServer interface.  Once that's done, we
  42  * need an implementation of that interface that talks (through a web
  43  * service?) to a remote site..
  44  *
  45  * for now, though, just implement it as we do
  46  * System.Configuration.InternalConfigurationHost, i.e. the local
  47  * case.
  48  */
  49 namespace System.Web.Configuration
  50 {
  51         class WebConfigurationHost: IInternalConfigHost
  52         {
  53                 WebConfigurationFileMap map;
  54                 const string MachinePath = ":machine:";
  55                 const string MachineWebPath = ":web:";
  56
  57                 public virtual object CreateConfigurationContext (string configPath, string locationSubPath)
  58                 {
  59                         return new WebContext (WebApplicationLevel.AtApplication /* XXX */,
  60                                                "" /* site XXX */,
  61                                                "" /* application path XXX */,
  62                                                configPath,
  63                                                locationSubPath);
  64                 }
  65
  66                 public virtual object CreateDeprecatedConfigContext (string configPath)
  67                 {
  68                         throw new NotImplementedException ();
  69                 }
  70
  71                 public virtual string DecryptSection (string encryptedXml, ProtectedConfigurationProvider protectionProvider,
  72                                                       ProtectedConfigurationSection protectedSection)
  73                 {
  74                         throw new NotImplementedException ();
  75                 }
  76
  77                 public virtual void DeleteStream (string streamName)
  78                 {
  79                         File.Delete (streamName);
  80                 }
  81
  82                 public virtual string EncryptSection (string encryptedXml, ProtectedConfigurationProvider protectionProvider,
  83                                                       ProtectedConfigurationSection protectedSection)
  84                 {
  85                         throw new NotImplementedException ();
  86                 }
  87
  88                 public virtual string GetConfigPathFromLocationSubPath (string configPath, string locatinSubPath)
  89                 {
  90                         return configPath + "/" + locatinSubPath;
  91                 }
  92
  93                 private static string privateBinPath;
  94
  95                 private static string PrivateBinPath {
  96                         get {
  97                                 if (privateBinPath != null)
  98                                         return privateBinPath;
  99
 100                                 AppDomainSetup setup = AppDomain.CurrentDomain.SetupInformation;
 101                                 privateBinPath = Path.Combine(setup.ApplicationBase, setup.PrivateBinPath);
 102                                 return privateBinPath;
 103                         }
 104                 }
 105
 106                 private Type LoadType(string typeName)
 107                 {
 108                         Type type = Type.GetType (typeName);
 109                         if (type != null)
 110                                 return type;
 111
 112                         if (!Directory.Exists (PrivateBinPath))
 113                                 return null;
 114
 115                         string[] binDlls = Directory.GetFiles(PrivateBinPath, "*.dll");
 116                         foreach (string s in binDlls) {
 117                                 Assembly binA = Assembly.LoadFrom (s);
 118                                 type = binA.GetType (typeName);
 119                                 if (type == null)
 120                                         continue;
 121
 122                                 return type;
 123                         }
 124
 125                         return null;
 126                 }
 127
 128                 public virtual Type GetConfigType (string typeName, bool throwOnError)
 129                 {
 130                         Type type = LoadType(typeName);
 131                         if (type == null && throwOnError)
 132                                 throw new ConfigurationErrorsException ("Type not found: '" + typeName + "'");
 133                         return type;
 134                 }
 135
 136                 public virtual string GetConfigTypeName (Type t)
 137                 {
 138                         return t.AssemblyQualifiedName;
 139                 }
 140
 141                 public virtual void GetRestrictedPermissions (IInternalConfigRecord configRecord, out PermissionSet permissionSet,
 142                                                               out bool isHostReady)
 143                 {
 144                         throw new NotImplementedException ();
 145                 }
 146
 147                 public virtual string GetStreamName (string configPath)
 148                 {
 149                         if (configPath == MachinePath) {
 150                                 if (map == null)
 151                                         return System.Runtime.InteropServices.RuntimeEnvironment.SystemConfigurationFile;
 152                                 else
 153                                         return map.MachineConfigFilename;
 154                         } else if (configPath == MachineWebPath) {
 155                                 string mdir;
 156
 157                                 if (map == null)
 158 #if TARGET_J2EE
 159                                         return "/META-INF/web.config";
 160 #else
 161                                         mdir = Path.GetDirectoryName (System.Runtime.InteropServices.RuntimeEnvironment.SystemConfigurationFile);
 162 #endif
 163                                 else
 164                                         mdir = Path.GetDirectoryName (map.MachineConfigFilename);
 165
 166                                 return GetWebConfigFileName (mdir);
 167                         }
 168
 169                         string dir = MapPath (configPath);
 170                         return GetWebConfigFileName (dir);
 171                 }
 172
 173                 public virtual string GetStreamNameForConfigSource (string streamName, string configSource)
 174                 {
 175                         throw new NotImplementedException ();
 176                 }
 177
 178                 public virtual object GetStreamVersion (string streamName)
 179                 {
 180                         throw new NotImplementedException ();
 181                 }
 182
 183                 public virtual IDisposable Impersonate ()
 184                 {
 185                         throw new NotImplementedException ();
 186                 }
 187
 188                 public virtual void Init (IInternalConfigRoot root, params object[] hostInitParams)
 189                 {
 190                 }
 191
 192                 public virtual void InitForConfiguration (ref string locationSubPath, out string configPath,
 193                                                           out string locationConfigPath, IInternalConfigRoot root,
 194                                                           params object[] hostInitConfigurationParams)
 195                 {
 196                         string fullPath = (string) hostInitConfigurationParams [1];
 197                         map = (WebConfigurationFileMap) hostInitConfigurationParams [0];
 198
 199                         if (locationSubPath == MachineWebPath) {
 200                                 locationSubPath = MachinePath;
 201                                 configPath = MachineWebPath;
 202                                 locationConfigPath = null;
 203                         } else if (locationSubPath == MachinePath) {
 204                                 locationSubPath = null;
 205                                 configPath = MachinePath;
 206                                 locationConfigPath = null;
 207                         } else {
 208                                 int i;
 209                                 if (locationSubPath == null)
 210                                         configPath = fullPath;
 211                                 else
 212                                         configPath = locationSubPath;
 213
 214                                 if (configPath == HttpRuntime.AppDomainAppVirtualPath
 215                                     || configPath == "/")
 216                                         i = -1;
 217                                 else
 218                                         i = configPath.LastIndexOf ("/");
 219
 220                                 if (i != -1) {
 221                                         locationConfigPath = configPath.Substring (i+1);
 222
 223                                         if (i == 0)
 224                                                 locationSubPath = "/";
 225                                         else
 226                                                 locationSubPath = fullPath.Substring (0, i);
 227                                 } else {
 228                                         locationSubPath = MachineWebPath;
 229                                         locationConfigPath = null;
 230                                 }
 231                         }
 232                 }
 233
 234                 public string MapPath (string virtualPath)
 235                 {
 236                         if (map != null)
 237                                 return MapPathFromMapper (virtualPath);
 238                         else if (HttpContext.Current != null
 239                                  && HttpContext.Current.Request != null)
 240                                 return HttpContext.Current.Request.MapPath (virtualPath);
 241                         else if (HttpRuntime.AppDomainAppVirtualPath != null &&
 242                                  virtualPath.StartsWith (HttpRuntime.AppDomainAppVirtualPath)) {
 243                                 if (virtualPath == HttpRuntime.AppDomainAppVirtualPath)
 244                                         return HttpRuntime.AppDomainAppPath;
 245                                 return UrlUtils.Combine (HttpRuntime.AppDomainAppPath,
 246                                                          virtualPath.Substring (HttpRuntime.AppDomainAppVirtualPath.Length));
 247                         }
 248                         else
 249                                 return virtualPath;
 250                 }
 251
 252                 public string NormalizeVirtualPath (string virtualPath)
 253                 {
 254                         if (virtualPath == null || virtualPath.Length == 0)
 255                                 virtualPath = ".";
 256                         else
 257                                 virtualPath = virtualPath.Trim ();
 258
 259                         if (virtualPath [0] == '~' && virtualPath.Length > 2 && virtualPath [1] == '/')
 260                                 virtualPath = virtualPath.Substring (1);
 261
 262                         if (System.IO.Path.DirectorySeparatorChar != '/')
 263                                 virtualPath = virtualPath.Replace (System.IO.Path.DirectorySeparatorChar, '/');
 264
 265                         if (UrlUtils.IsRooted (virtualPath)) {
 266                                 virtualPath = UrlUtils.Canonic (virtualPath);
 267                         } else {
 268                                 if (map.VirtualDirectories.Count > 0) {
 269                                         string root = map.VirtualDirectories [0].VirtualDirectory;
 270                                         virtualPath = UrlUtils.Combine (root, virtualPath);
 271                                         virtualPath = UrlUtils.Canonic (virtualPath);
 272                                 }
 273                         }
 274                         return virtualPath;
 275                 }
 276
 277                 public string MapPathFromMapper (string virtualPath)
 278                 {
 279                         string path = NormalizeVirtualPath (virtualPath);
 280
 281                         foreach (VirtualDirectoryMapping mapping in map.VirtualDirectories) {
 282                                 if (path.StartsWith (mapping.VirtualDirectory)) {
 283                                         int i = mapping.VirtualDirectory.Length;
 284                                         if (path.Length == i) {
 285                                                 return mapping.PhysicalDirectory;
 286                                         }
 287                                         else if (path [i] == '/') {
 288                                                 string pathPart = path.Substring (i + 1).Replace ('/', Path.DirectorySeparatorChar);
 289                                                 return Path.Combine (mapping.PhysicalDirectory, pathPart);
 290                                         }
 291                                 }
 292                         }
 293                         throw new HttpException ("Invalid virtual directory: " + virtualPath);
 294                 }
 295
 296                 string GetWebConfigFileName (string dir)
 297                 {
 298                         string[] filenames = new string[] {"Web.Config", "Web.config", "web.config" };
 299
 300                         foreach (string fn in filenames) {
 301                                 string file = Path.Combine (dir, fn);
 302                                 if (File.Exists (file))
 303                                         return file;
 304                         }
 305
 306                         return null;
 307                 }
 308
 309                 public virtual bool IsAboveApplication (string configPath)
 310                 {
 311                         throw new NotImplementedException ();
 312                 }
 313
 314                 public virtual bool IsConfigRecordRequired (string configPath)
 315                 {
 316                         throw new NotImplementedException ();
 317                 }
 318
 319                 public virtual bool IsDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition,
 320                                                          ConfigurationAllowExeDefinition allowExeDefinition)
 321                 {
 322                         switch (allowDefinition) {
 323                                 case ConfigurationAllowDefinition.MachineOnly:
 324                                         return configPath == MachinePath || configPath == MachineWebPath;
 325                                 case ConfigurationAllowDefinition.MachineToWebRoot:
 326                                 case ConfigurationAllowDefinition.MachineToApplication:
 327                                         return configPath == MachinePath || configPath == MachineWebPath || configPath == "/" ||
 328                                                 configPath == HttpRuntime.AppDomainAppVirtualPath;
 329                                 default:
 330                                         return true;
 331                         }
 332                 }
 333
 334                 public virtual bool IsFile (string streamName)
 335                 {
 336                         throw new NotImplementedException ();
 337                 }
 338
 339                 public virtual bool IsLocationApplicable (string configPath)
 340                 {
 341                         throw new NotImplementedException ();
 342                 }
 343
 344                 public virtual Stream OpenStreamForRead (string streamName)
 345                 {
 346                         if (!File.Exists (streamName)) {
 347 #if TARGET_J2EE
 348                                 if (streamName != null && (streamName.EndsWith ("machine.config") ||
 349                                                            streamName.EndsWith ("web.config"))) {
 350                                         if (streamName.StartsWith ("/"))
 351                                                 streamName = streamName.Substring (1);
 352                                         java.lang.ClassLoader cl = (java.lang.ClassLoader) AppDomain.CurrentDomain.GetData ("GH_ContextClassLoader");
 353                                         if (cl != null) {
 354                                                 java.io.InputStream inputStream = cl.getResourceAsStream (streamName);
 355                                                 return (Stream) vmw.common.IOUtils.getStream (inputStream);
 356                                         }
 357                                 }
 358 #endif
 359                                 throw new ConfigurationException ("File '" + streamName + "' not found");
 360                         }
 361
 362                         return new FileStream (streamName, FileMode.Open, FileAccess.Read);
 363                 }
 364
 365                 [MonoTODO ("Not implemented")]
 366                 public virtual Stream OpenStreamForRead (string streamName, bool assertPermissions)
 367                 {
 368                         throw new NotImplementedException ();
 369                 }
 370
 371                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext)
 372                 {
 373                         return new FileStream (streamName, FileMode.Create, FileAccess.Write);
 374                 }
 375
 376                 [MonoTODO ("Not implemented")]
 377                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext,
 378                                                           bool assertPermissions)
 379                 {
 380                         throw new NotImplementedException ();
 381                 }
 382
 383                 public virtual bool PrefetchAll (string configPath, string streamName)
 384                 {
 385                         throw new NotImplementedException ();
 386                 }
 387
 388                 public virtual bool PrefetchSection (string sectionGroupName, string sectionName)
 389                 {
 390                         throw new NotImplementedException ();
 391                 }
 392
 393                 [MonoTODO ("Not implemented")]
 394                 public virtual void RequireCompleteInit (IInternalConfigRecord configRecord)
 395                 {
 396                         throw new NotImplementedException ();
 397                 }
 398
 399                 public virtual object StartMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 400                 {
 401                         throw new NotImplementedException ();
 402                 }
 403
 404                 public virtual void StopMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 405                 {
 406                         throw new NotImplementedException ();
 407                 }
 408
 409                 public virtual void VerifyDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition,
 410                                                              ConfigurationAllowExeDefinition allowExeDefinition,
 411                                                              IConfigErrorInfo errorInfo)
 412                 {
 413                         if (!IsDefinitionAllowed (configPath, allowDefinition, allowExeDefinition))
 414                                 throw new ConfigurationErrorsException ("The section can't be defined in this file (the allowed definition context is '" + allowDefinition + "').", errorInfo.Filename, errorInfo.LineNumber);
 415                 }
 416
 417                 [MonoTODO("Does nothing")]
 418                 public virtual void WriteCompleted (string streamName, bool success, object writeContext)
 419                 {
 420                 }
 421
 422                 [MonoTODO("Does nothing")]
 423                 public virtual void WriteCompleted (string streamName, bool success, object writeContext, bool assertPermissions)
 424                 {
 425                 }
 426
 427                 public virtual bool SupportsChangeNotifications {
 428                         get { return false; }
 429                 }
 430
 431                 public virtual bool SupportsLocation {
 432                         get { return false; }
 433                 }
 434
 435                 public virtual bool SupportsPath {
 436                         get { return false; }
 437                 }
 438
 439                 public virtual bool SupportsRefresh {
 440                         get { return false; }
 441                 }
 442
 443                 [MonoTODO("Always returns false")]
 444                 public virtual bool IsRemote {
 445                         get { return false; }
 446                 }
 447
 448                 [MonoTODO ("Not implemented")]
 449                 public virtual bool IsFullTrustSectionWithoutAptcaAllowed (IInternalConfigRecord configRecord)
 450                 {
 451                         throw new NotImplementedException ();
 452                 }
 453
 454                 [MonoTODO ("Not implemented")]
 455                 public virtual bool IsInitDelayed (IInternalConfigRecord configRecord)
 456                 {
 457                         throw new NotImplementedException ();
 458                 }
 459
 460                 [MonoTODO ("Not implemented")]
 461                 public virtual bool IsSecondaryRoot (string configPath)
 462                 {
 463                         throw new NotImplementedException ();
 464                 }
 465
 466                 [MonoTODO ("Not implemented")]
 467                 public virtual bool IsTrustedConfigPath (string configPath)
 468                 {
 469                         throw new NotImplementedException ();
 470                 }
 471         }
 472 }
 473
 474 #endif