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, ProtectedConfigurationSection protectedSection)
  72                 {
  73                         throw new NotImplementedException ();
  74                 }
  75
  76                 public virtual void DeleteStream (string streamName)
  77                 {
  78                         File.Delete (streamName);
  79                 }
  80
  81                 public virtual string EncryptSection (string encryptedXml, ProtectedConfigurationProvider protectionProvider, ProtectedConfigurationSection protectedSection)
  82                 {
  83                         throw new NotImplementedException ();
  84                 }
  85
  86                 public virtual string GetConfigPathFromLocationSubPath (string configPath, string locatinSubPath)
  87                 {
  88                         return configPath + "/" + locatinSubPath;
  89                 }
  90
  91                 private static string privateBinPath;
  92
  93                 private static string PrivateBinPath {
  94                         get {
  95                                 if (privateBinPath != null)
  96                                         return privateBinPath;
  97
  98                                 AppDomainSetup setup = AppDomain.CurrentDomain.SetupInformation;
  99                                 privateBinPath = Path.Combine(setup.ApplicationBase, setup.PrivateBinPath);
 100                                 return privateBinPath;
 101                         }
 102                 }
 103
 104                 private Type LoadType(string typeName)
 105                 {
 106                         Type type = Type.GetType (typeName);
 107                         if (type != null)
 108                                 return type;
 109
 110                         if (!Directory.Exists (PrivateBinPath))
 111                                 return null;
 112
 113                         string[] binDlls = Directory.GetFiles(PrivateBinPath, "*.dll");
 114                         foreach (string s in binDlls) {
 115                                 Assembly binA = Assembly.LoadFrom (s);
 116                                 type = binA.GetType (typeName);
 117                                 if (type == null)
 118                                         continue;
 119
 120                                 return type;
 121                         }
 122
 123                         return null;
 124                 }
 125
 126                 public virtual Type GetConfigType (string typeName, bool throwOnError)
 127                 {
 128                         Type type = LoadType(typeName);
 129                         if (type == null && throwOnError)
 130                                 throw new ConfigurationErrorsException ("Type not found: '" + typeName + "'");
 131                         return type;
 132                 }
 133
 134                 public virtual string GetConfigTypeName (Type t)
 135                 {
 136                         return t.AssemblyQualifiedName;
 137                 }
 138
 139                 public virtual void GetRestrictedPermissions (IInternalConfigRecord configRecord, out PermissionSet permissionSet, out bool isHostReady)
 140                 {
 141                         throw new NotImplementedException ();
 142                 }
 143
 144                 public virtual string GetStreamName (string configPath)
 145                 {
 146                         if (configPath == MachinePath) {
 147                                 if (map == null)
 148                                         return System.Runtime.InteropServices.RuntimeEnvironment.SystemConfigurationFile;
 149                                 else
 150                                         return map.MachineConfigFilename;
 151                         } else if (configPath == MachineWebPath) {
 152                                 string mdir;
 153
 154                                 if (map == null)
 155 #if TARGET_JVM
 156                                         return "/web.config";
 157 #else
 158                                         mdir = Path.GetDirectoryName (System.Runtime.InteropServices.RuntimeEnvironment.SystemConfigurationFile);
 159 #endif
 160                                 else
 161                                         mdir = Path.GetDirectoryName (map.MachineConfigFilename);
 162
 163                                 return GetWebConfigFileName (mdir);
 164                         }
 165
 166                         string dir = MapPath (configPath);
 167                         return GetWebConfigFileName (dir);
 168                 }
 169
 170                 public virtual string GetStreamNameForConfigSource (string streamName, string configSource)
 171                 {
 172                         throw new NotImplementedException ();
 173                 }
 174
 175                 public virtual object GetStreamVersion (string streamName)
 176                 {
 177                         throw new NotImplementedException ();
 178                 }
 179
 180                 public virtual IDisposable Impersonate ()
 181                 {
 182                         throw new NotImplementedException ();
 183                 }
 184
 185                 public virtual void Init (IInternalConfigRoot root, params object[] hostInitParams)
 186                 {
 187                 }
 188
 189                 public virtual void InitForConfiguration (ref string locationSubPath, out string configPath, out string locationConfigPath, IInternalConfigRoot root, params object[] hostInitConfigurationParams)
 190                 {
 191                         string fullPath = (string) hostInitConfigurationParams [1];
 192
 193                         map = (WebConfigurationFileMap) hostInitConfigurationParams [0];
 194
 195                         if (locationSubPath == MachineWebPath) {
 196                                 locationSubPath = MachinePath;
 197                                 configPath = MachineWebPath;
 198                                 locationConfigPath = null;
 199                         }
 200                         else if (locationSubPath == MachinePath) {
 201                                 locationSubPath = null;
 202                                 configPath = MachinePath;
 203                                 locationConfigPath = null;
 204                         }
 205                         else {
 206
 207                                 int i;
 208                                 if (locationSubPath == null)
 209                                         configPath = fullPath;
 210                                 else
 211                                         configPath = locationSubPath;
 212
 213                                 if (configPath == HttpRuntime.AppDomainAppVirtualPath
 214                                     || configPath == "/")
 215                                         i = -1;
 216                                 else
 217                                         i = configPath.LastIndexOf ("/");
 218
 219                                 if (i != -1) {
 220                                         locationConfigPath = configPath.Substring (i+1);
 221
 222                                         if (i == 0)
 223                                                 locationSubPath = "/";
 224                                         else
 225                                                 locationSubPath = fullPath.Substring (0, i);
 226                                 } else {
 227                                         locationSubPath = MachineWebPath;
 228                                         locationConfigPath = null;
 229                                 }
 230                         }
 231                 }
 232
 233                 public string MapPath (string virtualPath)
 234                 {
 235                         if (map != null)
 236                                 return MapPathFromMapper (virtualPath);
 237                         else if (HttpContext.Current != null
 238                                  && HttpContext.Current.Request != null)
 239                                 return HttpContext.Current.Request.MapPath (virtualPath);
 240                         else if (HttpRuntime.AppDomainAppVirtualPath != null && virtualPath.StartsWith (HttpRuntime.AppDomainAppVirtualPath)) {
 241                                 if (virtualPath == HttpRuntime.AppDomainAppVirtualPath)
 242                                         return HttpRuntime.AppDomainAppPath;
 243                                 return UrlUtils.Combine (HttpRuntime.AppDomainAppPath, virtualPath.Substring (HttpRuntime.AppDomainAppVirtualPath.Length));
 244                         }
 245                         else
 246                                 return virtualPath;
 247                 }
 248
 249                 public string NormalizeVirtualPath (string virtualPath)
 250                 {
 251                         if (virtualPath == null || virtualPath.Length == 0)
 252                                 virtualPath = ".";
 253                         else
 254                                 virtualPath = virtualPath.Trim ();
 255
 256                         if (virtualPath [0] == '~' && virtualPath.Length > 2 && virtualPath [1] == '/')
 257                                 virtualPath = virtualPath.Substring (1);
 258
 259                         if (System.IO.Path.DirectorySeparatorChar != '/')
 260                                 virtualPath = virtualPath.Replace (System.IO.Path.DirectorySeparatorChar, '/');
 261
 262                         if (UrlUtils.IsRooted (virtualPath)) {
 263                                 virtualPath = UrlUtils.Canonic (virtualPath);
 264                         } else {
 265                                 if (map.VirtualDirectories.Count > 0) {
 266                                         string root = map.VirtualDirectories [0].VirtualDirectory;
 267                                         virtualPath = UrlUtils.Combine (root, virtualPath);
 268                                         virtualPath = UrlUtils.Canonic (virtualPath);
 269                                 }
 270                         }
 271                         return virtualPath;
 272                 }
 273
 274                 public string MapPathFromMapper (string virtualPath)
 275                 {
 276                         string path = NormalizeVirtualPath (virtualPath);
 277
 278                         foreach (VirtualDirectoryMapping mapping in map.VirtualDirectories) {
 279                                 if (path.StartsWith (mapping.VirtualDirectory)) {
 280                                         int i = mapping.VirtualDirectory.Length;
 281                                         if (path.Length == i) {
 282                                                 return mapping.PhysicalDirectory;
 283                                         }
 284                                         else if (path [i] == '/') {
 285                                                 string pathPart = path.Substring (i + 1).Replace ('/', Path.DirectorySeparatorChar);
 286                                                 return Path.Combine (mapping.PhysicalDirectory, pathPart);
 287                                         }
 288                                 }
 289                         }
 290                         throw new HttpException ("Invalid virtual directory: " + virtualPath);
 291                 }
 292
 293                 string GetWebConfigFileName (string dir)
 294                 {
 295                         string[] filenames = new string[] {"Web.Config", "Web.config", "web.config" };
 296
 297                         foreach (string fn in filenames) {
 298                                 string file = Path.Combine (dir, fn);
 299                                 if (File.Exists (file))
 300                                         return file;
 301                         }
 302
 303                         return null;
 304                 }
 305
 306                 public virtual bool IsAboveApplication (string configPath)
 307                 {
 308                         throw new NotImplementedException ();
 309                 }
 310
 311                 public virtual bool IsConfigRecordRequired (string configPath)
 312                 {
 313                         throw new NotImplementedException ();
 314                 }
 315
 316                 public virtual bool IsDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition, ConfigurationAllowExeDefinition allowExeDefinition)
 317                 {
 318                         switch (allowDefinition) {
 319                                 case ConfigurationAllowDefinition.MachineOnly:
 320                                         return configPath == MachinePath || configPath == MachineWebPath;
 321                                 case ConfigurationAllowDefinition.MachineToWebRoot:
 322                                 case ConfigurationAllowDefinition.MachineToApplication:
 323                                         return configPath == MachinePath || configPath == MachineWebPath || configPath == "/";
 324                                 default:
 325                                         return true;
 326                         }
 327                 }
 328
 329                 public virtual bool IsFile (string streamName)
 330                 {
 331                         throw new NotImplementedException ();
 332                 }
 333
 334                 public virtual bool IsLocationApplicable (string configPath)
 335                 {
 336                         throw new NotImplementedException ();
 337                 }
 338
 339                 public virtual Stream OpenStreamForRead (string streamName)
 340                 {
 341                         if (!File.Exists (streamName)) {
 342 #if TARGET_J2EE
 343                                 if (streamName != null && (streamName.EndsWith ("machine.config") || streamName.EndsWith ("web.config"))) {
 344                                         if (streamName.StartsWith ("/"))
 345                                                 streamName = streamName.Substring (1);
 346                                         java.lang.ClassLoader cl = (java.lang.ClassLoader) AppDomain.CurrentDomain.GetData ("GH_ContextClassLoader");
 347                                         if (cl != null) {
 348                                                 java.io.InputStream inputStream = cl.getResourceAsStream (streamName);
 349                                                 return (Stream) vmw.common.IOUtils.getStream (inputStream);
 350                                         }
 351                                 }
 352 #endif
 353                                 throw new ConfigurationException ("File '" + streamName + "' not found");
 354                         }
 355
 356                         return new FileStream (streamName, FileMode.Open, FileAccess.Read);
 357                 }
 358
 359                 [MonoTODO ("Not implemented")]
 360                 public virtual Stream OpenStreamForRead (string streamName, bool assertPermissions)
 361                 {
 362                         throw new NotImplementedException ();
 363                 }
 364
 365                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext)
 366                 {
 367                         return new FileStream (streamName, FileMode.Create, FileAccess.Write);
 368                 }
 369
 370                 [MonoTODO ("Not implemented")]
 371                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext, bool assertPermissions)
 372                 {
 373                         throw new NotImplementedException ();
 374                 }
 375
 376                 public virtual bool PrefetchAll (string configPath, string streamName)
 377                 {
 378                         throw new NotImplementedException ();
 379                 }
 380
 381                 public virtual bool PrefetchSection (string sectionGroupName, string sectionName)
 382                 {
 383                         throw new NotImplementedException ();
 384                 }
 385
 386                 [MonoTODO ("Not implemented")]
 387                 public virtual void RequireCompleteInit (IInternalConfigRecord configRecord)
 388                 {
 389                         throw new NotImplementedException ();
 390                 }
 391
 392                 public virtual object StartMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 393                 {
 394                         throw new NotImplementedException ();
 395                 }
 396
 397                 public virtual void StopMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 398                 {
 399                         throw new NotImplementedException ();
 400                 }
 401
 402                 public virtual void VerifyDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition, ConfigurationAllowExeDefinition allowExeDefinition, IConfigErrorInfo errorInfo)
 403                 {
 404                         if (!IsDefinitionAllowed (configPath, allowDefinition, allowExeDefinition))
 405                                 throw new ConfigurationErrorsException ("The section can't be defined in this file (the allowed definition context is '" + allowDefinition + "').", errorInfo.Filename, errorInfo.LineNumber);
 406                 }
 407
 408                 [MonoTODO("Does nothing")]
 409                 public virtual void WriteCompleted (string streamName, bool success, object writeContext)
 410                 {
 411                 }
 412
 413                 [MonoTODO("Does nothing")]
 414                 public virtual void WriteCompleted (string streamName, bool success, object writeContext, bool assertPermissions)
 415                 {
 416                 }
 417
 418                 public virtual bool SupportsChangeNotifications {
 419                         get { return false; }
 420                 }
 421
 422                 public virtual bool SupportsLocation {
 423                         get { return false; }
 424                 }
 425
 426                 public virtual bool SupportsPath {
 427                         get { return false; }
 428                 }
 429
 430                 public virtual bool SupportsRefresh {
 431                         get { return false; }
 432                 }
 433
 434                 [MonoTODO("Always returns false")]
 435                 public virtual bool IsRemote {
 436                         get { return false; }
 437                 }
 438
 439                 [MonoTODO ("Not implemented")]
 440                 public virtual bool IsFullTrustSectionWithoutAptcaAllowed (IInternalConfigRecord configRecord)
 441                 {
 442                         throw new NotImplementedException ();
 443                 }
 444
 445                 [MonoTODO ("Not implemented")]
 446                 public virtual bool IsInitDelayed (IInternalConfigRecord configRecord)
 447                 {
 448                         throw new NotImplementedException ();
 449                 }
 450
 451                 [MonoTODO ("Not implemented")]
 452                 public virtual bool IsSecondaryRoot (string configPath)
 453                 {
 454                         throw new NotImplementedException ();
 455                 }
 456
 457                 [MonoTODO ("Not implemented")]
 458                 public virtual bool IsTrustedConfigPath (string configPath)
 459                 {
 460                         throw new NotImplementedException ();
 461                 }
 462         }
 463 }
 464
 465 #endif