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                         throw new NotImplementedException ();
  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.net.URL url = cl.getResource ("META-INF/web.config");
 132                                         if (url == null)
 133                                                 return null;
 134
 135                                         return "/META-INF/web.config";
 136                                 }
 137 #else
 138                                         mdir = Path.GetDirectoryName (System.Runtime.InteropServices.RuntimeEnvironment.SystemConfigurationFile);
 139 #endif
 140                                 else
 141                                         mdir = Path.GetDirectoryName (map.MachineConfigFilename);
 142
 143                                 return GetWebConfigFileName (mdir);
 144                         }
 145
 146                         string dir = MapPath (configPath);
 147                         return GetWebConfigFileName (dir);
 148                 }
 149
 150                 public virtual string GetStreamNameForConfigSource (string streamName, string configSource)
 151                 {
 152                         throw new NotImplementedException ();
 153                 }
 154
 155                 public virtual object GetStreamVersion (string streamName)
 156                 {
 157                         throw new NotImplementedException ();
 158                 }
 159
 160                 public virtual IDisposable Impersonate ()
 161                 {
 162                         throw new NotImplementedException ();
 163                 }
 164
 165                 public virtual void Init (IInternalConfigRoot root, params object[] hostInitParams)
 166                 {
 167                 }
 168
 169                 public virtual void InitForConfiguration (ref string locationSubPath, out string configPath,
 170                                                           out string locationConfigPath, IInternalConfigRoot root,
 171                                                           params object[] hostInitConfigurationParams)
 172                 {
 173                         string fullPath = (string) hostInitConfigurationParams [1];
 174                         map = (WebConfigurationFileMap) hostInitConfigurationParams [0];
 175
 176                         if (locationSubPath == MachineWebPath) {
 177                                 locationSubPath = MachinePath;
 178                                 configPath = MachineWebPath;
 179                                 locationConfigPath = null;
 180                         } else if (locationSubPath == MachinePath) {
 181                                 locationSubPath = null;
 182                                 configPath = MachinePath;
 183                                 locationConfigPath = null;
 184                         } else {
 185                                 int i;
 186                                 if (locationSubPath == null)
 187                                 {
 188                                         configPath = fullPath;
 189                                         if (configPath.Length > 1)
 190                                                 configPath = VirtualPathUtility.RemoveTrailingSlash (configPath);
 191                                 }
 192                                 else
 193                                         configPath = locationSubPath;
 194
 195                                 if (configPath == HttpRuntime.AppDomainAppVirtualPath
 196                                     || configPath == "/")
 197                                         i = -1;
 198                                 else
 199                                         i = configPath.LastIndexOf ("/");
 200
 201                                 if (i != -1) {
 202                                         locationConfigPath = configPath.Substring (i+1);
 203
 204                                         if (i == 0)
 205                                                 locationSubPath = "/";
 206                                         else
 207                                                 locationSubPath = fullPath.Substring (0, i);
 208                                 } else {
 209                                         locationSubPath = MachineWebPath;
 210                                         locationConfigPath = null;
 211                                 }
 212                         }
 213                 }
 214
 215                 public string MapPath (string virtualPath)
 216                 {
 217                         if (map != null)
 218                                 return MapPathFromMapper (virtualPath);
 219                         else if (HttpContext.Current != null && HttpContext.Current.Request != null)
 220                                 return HttpContext.Current.Request.MapPath (virtualPath);
 221                         else if (HttpRuntime.AppDomainAppVirtualPath != null &&
 222                                  virtualPath.StartsWith (HttpRuntime.AppDomainAppVirtualPath)) {
 223                                 if (virtualPath == HttpRuntime.AppDomainAppVirtualPath)
 224                                         return HttpRuntime.AppDomainAppPath;
 225                                 return UrlUtils.Combine (HttpRuntime.AppDomainAppPath,
 226                                                          virtualPath.Substring (HttpRuntime.AppDomainAppVirtualPath.Length));
 227                         }
 228
 229                         return virtualPath;
 230                 }
 231
 232                 public string NormalizeVirtualPath (string virtualPath)
 233                 {
 234                         if (virtualPath == null || virtualPath.Length == 0)
 235                                 virtualPath = ".";
 236                         else
 237                                 virtualPath = virtualPath.Trim ();
 238
 239                         if (virtualPath [0] == '~' && virtualPath.Length > 2 && virtualPath [1] == '/')
 240                                 virtualPath = virtualPath.Substring (1);
 241
 242                         if (System.IO.Path.DirectorySeparatorChar != '/')
 243                                 virtualPath = virtualPath.Replace (System.IO.Path.DirectorySeparatorChar, '/');
 244
 245                         if (UrlUtils.IsRooted (virtualPath)) {
 246                                 virtualPath = UrlUtils.Canonic (virtualPath);
 247                         } else {
 248                                 if (map.VirtualDirectories.Count > 0) {
 249                                         string root = map.VirtualDirectories [0].VirtualDirectory;
 250                                         virtualPath = UrlUtils.Combine (root, virtualPath);
 251                                         virtualPath = UrlUtils.Canonic (virtualPath);
 252                                 }
 253                         }
 254                         return virtualPath;
 255                 }
 256
 257                 public string MapPathFromMapper (string virtualPath)
 258                 {
 259                         string path = NormalizeVirtualPath (virtualPath);
 260
 261                         foreach (VirtualDirectoryMapping mapping in map.VirtualDirectories) {
 262                                 if (path.StartsWith (mapping.VirtualDirectory)) {
 263                                         int i = mapping.VirtualDirectory.Length;
 264                                         if (path.Length == i) {
 265                                                 return mapping.PhysicalDirectory;
 266                                         }
 267                                         else if (path [i] == '/') {
 268                                                 string pathPart = path.Substring (i + 1).Replace ('/', Path.DirectorySeparatorChar);
 269                                                 return Path.Combine (mapping.PhysicalDirectory, pathPart);
 270                                         }
 271                                 }
 272                         }
 273                         throw new HttpException ("Invalid virtual directory: " + virtualPath);
 274                 }
 275
 276                 string GetWebConfigFileName (string dir)
 277                 {
 278 #if TARGET_J2EE
 279                         DirectoryInfo d = GetCaseSensitiveExistingDirectory (new DirectoryInfo (dir));
 280                         if (d == null)
 281                                 return null;
 282
 283                         FileInfo file = (FileInfo) FindByName ("web.config", d.GetFiles ("W*"));
 284                         if (file == null)
 285                                 file = (FileInfo) FindByName ("web.config", d.GetFiles ("w*"));
 286
 287                         if (file != null)
 288                                 return file.FullName;
 289 #else
 290                         AppDomain domain = AppDomain.CurrentDomain;
 291                         bool hosted = (domain.GetData (ApplicationHost.MonoHostedDataKey) as string) == "yes";
 292
 293                         if (hosted) {
 294                                 foreach (string fn in ApplicationHost.WebConfigFileNames) {
 295                                         string file = Path.Combine (dir, fn);
 296                                         if (File.Exists (file))
 297                                                 return file;
 298                                 }
 299                         } else {
 300                                 Assembly asm = Assembly.GetEntryAssembly () ?? Assembly.GetCallingAssembly ();
 301                                 string name = Path.GetFileName (asm.Location);
 302                                 string[] fileNames = new string[] {name + ".config", name + ".Config"};
 303                                 string appDir = domain.BaseDirectory;
 304                                 string file;
 305
 306                                 foreach (string fn in fileNames) {
 307                                         file = Path.Combine (appDir, fn);
 308                                         if (File.Exists (file))
 309                                                 return file;
 310                                 }
 311                         }
 312 #endif
 313                         return null;
 314                 }
 315 #if TARGET_J2EE
 316                 static DirectoryInfo GetCaseSensitiveExistingDirectory (DirectoryInfo dir) {
 317                         if (dir == null)
 318                                 return null;
 319                         if (dir.Exists)
 320                                 return dir;
 321
 322                         DirectoryInfo parent = GetCaseSensitiveExistingDirectory (dir.Parent);
 323                         if (parent == null)
 324                                 return null;
 325
 326                         return (DirectoryInfo) FindByName (dir.Name, parent.GetDirectories ());
 327                 }
 328
 329                 static FileSystemInfo FindByName (string name, FileSystemInfo [] infos)
 330                 {
 331                         for (int i = 0; i < infos.Length; i++) {
 332                                 if (String.Compare (name, infos [i].Name, StringComparison.OrdinalIgnoreCase) == 0)
 333                                         return infos [i];
 334                         }
 335                         return null;
 336                 }
 337 #endif
 338                 public virtual bool IsAboveApplication (string configPath)
 339                 {
 340                         throw new NotImplementedException ();
 341                 }
 342
 343                 public virtual bool IsConfigRecordRequired (string configPath)
 344                 {
 345                         throw new NotImplementedException ();
 346                 }
 347
 348                 public virtual bool IsDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition,
 349                                                          ConfigurationAllowExeDefinition allowExeDefinition)
 350                 {
 351                         switch (allowDefinition) {
 352                                 case ConfigurationAllowDefinition.MachineOnly:
 353                                         return configPath == MachinePath || configPath == MachineWebPath;
 354                                 case ConfigurationAllowDefinition.MachineToWebRoot:
 355                                 case ConfigurationAllowDefinition.MachineToApplication:
 356                                         return configPath == MachinePath || configPath == MachineWebPath || configPath == "/" ||
 357                                                 configPath == HttpRuntime.AppDomainAppVirtualPath;
 358                                 default:
 359                                         return true;
 360                         }
 361                 }
 362
 363                 public virtual bool IsFile (string streamName)
 364                 {
 365                         throw new NotImplementedException ();
 366                 }
 367
 368                 public virtual bool IsLocationApplicable (string configPath)
 369                 {
 370                         throw new NotImplementedException ();
 371                 }
 372
 373                 public virtual Stream OpenStreamForRead (string streamName)
 374                 {
 375                         if (!File.Exists (streamName)) {
 376 #if TARGET_J2EE
 377                                 if (streamName != null && (streamName.EndsWith ("machine.config") ||
 378                                                            streamName.EndsWith ("web.config"))) {
 379                                         if (streamName.StartsWith ("/"))
 380                                                 streamName = streamName.Substring (1);
 381                                         java.lang.ClassLoader cl = (java.lang.ClassLoader) AppDomain.CurrentDomain.GetData ("GH_ContextClassLoader");
 382                                         if (cl != null) {
 383                                                 java.io.InputStream inputStream = cl.getResourceAsStream (streamName);
 384                                                 return (Stream) vmw.common.IOUtils.getStream (inputStream);
 385                                         }
 386                                 }
 387 #endif
 388                                 throw new ConfigurationException ("File '" + streamName + "' not found");
 389                         }
 390
 391                         return new FileStream (streamName, FileMode.Open, FileAccess.Read);
 392                 }
 393
 394                 [MonoTODO ("Not implemented")]
 395                 public virtual Stream OpenStreamForRead (string streamName, bool assertPermissions)
 396                 {
 397                         throw new NotImplementedException ();
 398                 }
 399
 400                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext)
 401                 {
 402                         return new FileStream (streamName, FileMode.Create, FileAccess.Write);
 403                 }
 404
 405                 [MonoTODO ("Not implemented")]
 406                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext,
 407                                                           bool assertPermissions)
 408                 {
 409                         throw new NotImplementedException ();
 410                 }
 411
 412                 public virtual bool PrefetchAll (string configPath, string streamName)
 413                 {
 414                         throw new NotImplementedException ();
 415                 }
 416
 417                 public virtual bool PrefetchSection (string sectionGroupName, string sectionName)
 418                 {
 419                         throw new NotImplementedException ();
 420                 }
 421
 422                 [MonoTODO ("Not implemented")]
 423                 public virtual void RequireCompleteInit (IInternalConfigRecord configRecord)
 424                 {
 425                         throw new NotImplementedException ();
 426                 }
 427
 428                 public virtual object StartMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 429                 {
 430                         throw new NotImplementedException ();
 431                 }
 432
 433                 public virtual void StopMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 434                 {
 435                         throw new NotImplementedException ();
 436                 }
 437
 438                 public virtual void VerifyDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition,
 439                                                              ConfigurationAllowExeDefinition allowExeDefinition,
 440                                                              IConfigErrorInfo errorInfo)
 441                 {
 442                         if (!IsDefinitionAllowed (configPath, allowDefinition, allowExeDefinition))
 443                                 throw new ConfigurationErrorsException ("The section can't be defined in this file (the allowed definition context is '" + allowDefinition + "').", errorInfo.Filename, errorInfo.LineNumber);
 444                 }
 445
 446                 [MonoTODO("Does nothing")]
 447                 public virtual void WriteCompleted (string streamName, bool success, object writeContext)
 448                 {
 449                 }
 450
 451                 [MonoTODO("Does nothing")]
 452                 public virtual void WriteCompleted (string streamName, bool success, object writeContext, bool assertPermissions)
 453                 {
 454                 }
 455
 456                 public virtual bool SupportsChangeNotifications {
 457                         get { return false; }
 458                 }
 459
 460                 public virtual bool SupportsLocation {
 461                         get { return false; }
 462                 }
 463
 464                 public virtual bool SupportsPath {
 465                         get { return false; }
 466                 }
 467
 468                 public virtual bool SupportsRefresh {
 469                         get { return false; }
 470                 }
 471
 472                 [MonoTODO("Always returns false")]
 473                 public virtual bool IsRemote {
 474                         get { return false; }
 475                 }
 476
 477                 [MonoTODO ("Not implemented")]
 478                 public virtual bool IsFullTrustSectionWithoutAptcaAllowed (IInternalConfigRecord configRecord)
 479                 {
 480                         throw new NotImplementedException ();
 481                 }
 482
 483                 [MonoTODO ("Not implemented")]
 484                 public virtual bool IsInitDelayed (IInternalConfigRecord configRecord)
 485                 {
 486                         throw new NotImplementedException ();
 487                 }
 488
 489                 [MonoTODO ("Not implemented")]
 490                 public virtual bool IsSecondaryRoot (string configPath)
 491                 {
 492                         throw new NotImplementedException ();
 493                 }
 494
 495                 [MonoTODO ("Not implemented")]
 496                 public virtual bool IsTrustedConfigPath (string configPath)
 497                 {
 498                         throw new NotImplementedException ();
 499                 }
 500         }
 501 }
 502
 503 #endif