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
  38 /*
  39  * this class needs to be rewritten to support usage of the
  40  * IRemoteWebConfigurationHostServer interface.  Once that's done, we
  41  * need an implementation of that interface that talks (through a web
  42  * service?) to a remote site..
  43  *
  44  * for now, though, just implement it as we do
  45  * System.Configuration.InternalConfigurationHost, i.e. the local
  46  * case.
  47  */
  48 namespace System.Web.Configuration
  49 {
  50         class WebConfigurationHost: IInternalConfigHost
  51         {
  52                 WebConfigurationFileMap map;
  53                 const string MachinePath = ":machine:";
  54                 const string MachineWebPath = ":web:";
  55
  56                 public virtual object CreateConfigurationContext (string configPath, string locationSubPath)
  57                 {
  58                         return new WebContext (WebApplicationLevel.AtApplication /* XXX */,
  59                                                "" /* site XXX */,
  60                                                "" /* application path XXX */,
  61                                                configPath,
  62                                                locationSubPath);
  63                 }
  64
  65                 public virtual object CreateDeprecatedConfigContext (string configPath)
  66                 {
  67                         throw new NotImplementedException ();
  68                 }
  69
  70                 public virtual string DecryptSection (string encryptedXml, ProtectedConfigurationProvider protectionProvider, ProtectedConfigurationSection protectedSection)
  71                 {
  72                         throw new NotImplementedException ();
  73                 }
  74
  75                 public virtual void DeleteStream (string streamName)
  76                 {
  77                         File.Delete (streamName);
  78                 }
  79
  80                 public virtual string EncryptSection (string encryptedXml, ProtectedConfigurationProvider protectionProvider, ProtectedConfigurationSection protectedSection)
  81                 {
  82                         throw new NotImplementedException ();
  83                 }
  84
  85                 public virtual string GetConfigPathFromLocationSubPath (string configPath, string locatinSubPath)
  86                 {
  87                         return configPath + "/" + locatinSubPath;
  88                 }
  89
  90                 [MonoTODO ("this should consult with the build provider machinery")]
  91                 public virtual Type GetConfigType (string typeName, bool throwOnError)
  92                 {
  93                         Type type = Type.GetType (typeName);
  94                         if (type == null && throwOnError)
  95                                 throw new ConfigurationErrorsException ("Type not found: '" + typeName + "'");
  96                         return type;
  97                 }
  98
  99                 public virtual string GetConfigTypeName (Type t)
 100                 {
 101                         return t.AssemblyQualifiedName;
 102                 }
 103
 104                 public virtual void GetRestrictedPermissions (IInternalConfigRecord configRecord, out PermissionSet permissionSet, out bool isHostReady)
 105                 {
 106                         throw new NotImplementedException ();
 107                 }
 108
 109                 public virtual string GetStreamName (string configPath)
 110                 {
 111                         if (configPath == MachinePath) {
 112                                 if (map == null)
 113 #if TARGET_JVM
 114                                         return "/machine.config";
 115 #else
 116                                         return System.Runtime.InteropServices.RuntimeEnvironment.SystemConfigurationFile;
 117 #endif
 118                                 else
 119                                         return map.MachineConfigFilename;
 120                         } else if (configPath == MachineWebPath) {
 121                                 string mdir;
 122
 123                                 if (map == null)
 124 #if TARGET_JVM
 125                                         return "/web.config";
 126 #else
 127                                         mdir = Path.GetDirectoryName (System.Runtime.InteropServices.RuntimeEnvironment.SystemConfigurationFile);
 128 #endif
 129                                 else
 130                                         mdir = Path.GetDirectoryName (map.MachineConfigFilename);
 131
 132                                 return GetWebConfigFileName (mdir);
 133                         }
 134
 135                         string dir = MapPath (configPath);
 136                         return GetWebConfigFileName (dir);
 137                 }
 138
 139                 public virtual string GetStreamNameForConfigSource (string streamName, string configSource)
 140                 {
 141                         throw new NotImplementedException ();
 142                 }
 143
 144                 public virtual object GetStreamVersion (string streamName)
 145                 {
 146                         throw new NotImplementedException ();
 147                 }
 148
 149                 public virtual IDisposable Impersonate ()
 150                 {
 151                         throw new NotImplementedException ();
 152                 }
 153
 154                 public virtual void Init (IInternalConfigRoot root, params object[] hostInitParams)
 155                 {
 156                 }
 157
 158                 public virtual void InitForConfiguration (ref string locationSubPath, out string configPath, out string locationConfigPath, IInternalConfigRoot root, params object[] hostInitConfigurationParams)
 159                 {
 160                         string fullPath = (string) hostInitConfigurationParams [1];
 161
 162                         map = (WebConfigurationFileMap) hostInitConfigurationParams [0];
 163
 164                         if (locationSubPath == MachineWebPath) {
 165                                 locationSubPath = MachinePath;
 166                                 configPath = MachineWebPath;
 167                                 locationConfigPath = null;
 168                         }
 169                         else if (locationSubPath == MachinePath) {
 170                                 locationSubPath = null;
 171                                 configPath = MachinePath;
 172                                 locationConfigPath = null;
 173                         }
 174                         else {
 175
 176                                 int i;
 177                                 if (locationSubPath == null)
 178                                         configPath = fullPath;
 179                                 else
 180                                         configPath = locationSubPath;
 181
 182                                 if (configPath == HttpRuntime.AppDomainAppVirtualPath
 183                                     || configPath == "/")
 184                                         i = -1;
 185                                 else
 186                                         i = configPath.LastIndexOf ("/");
 187
 188                                 if (i != -1) {
 189                                         locationConfigPath = configPath.Substring (i+1);
 190
 191                                         if (i == 0)
 192                                                 locationSubPath = "/";
 193                                         else
 194                                                 locationSubPath = fullPath.Substring (0, i);
 195                                 } else {
 196                                         locationSubPath = MachineWebPath;
 197                                         locationConfigPath = null;
 198                                 }
 199                         }
 200
 201                         if (GetStreamName (configPath) == null) {
 202                                 // There is no config file for this path. Get the next one in the chain.
 203                                 InitForConfiguration (ref locationSubPath, out configPath, out locationConfigPath, root, hostInitConfigurationParams);
 204                         }
 205                 }
 206
 207                 public string MapPath (string virtualPath)
 208                 {
 209                         if (map != null)
 210                                 return MapPathFromMapper (virtualPath);
 211                         else if (HttpContext.Current != null
 212                                  && HttpContext.Current.Request != null)
 213                                 return HttpContext.Current.Request.MapPath (virtualPath);
 214                         else if (HttpRuntime.AppDomainAppVirtualPath != null && virtualPath.StartsWith (HttpRuntime.AppDomainAppVirtualPath)) {
 215                                 if (virtualPath == HttpRuntime.AppDomainAppVirtualPath)
 216                                         return HttpRuntime.AppDomainAppPath;
 217                                 return UrlUtils.Combine (HttpRuntime.AppDomainAppPath, virtualPath.Substring (HttpRuntime.AppDomainAppVirtualPath.Length));
 218                         }
 219                         else
 220                                 return virtualPath;
 221                 }
 222
 223                 public string NormalizeVirtualPath (string virtualPath)
 224                 {
 225                         if (virtualPath == null || virtualPath.Length == 0)
 226                                 virtualPath = ".";
 227                         else
 228                                 virtualPath = virtualPath.Trim ();
 229
 230                         if (virtualPath [0] == '~' && virtualPath.Length > 2 && virtualPath [1] == '/')
 231                                 virtualPath = virtualPath.Substring (1);
 232
 233                         if (System.IO.Path.DirectorySeparatorChar != '/')
 234                                 virtualPath = virtualPath.Replace (System.IO.Path.DirectorySeparatorChar, '/');
 235
 236                         if (UrlUtils.IsRooted (virtualPath)) {
 237                                 virtualPath = UrlUtils.Canonic (virtualPath);
 238                         } else {
 239                                 if (map.VirtualDirectories.Count > 0) {
 240                                         string root = map.VirtualDirectories [0].VirtualDirectory;
 241                                         virtualPath = UrlUtils.Combine (root, virtualPath);
 242                                         virtualPath = UrlUtils.Canonic (virtualPath);
 243                                 }
 244                         }
 245                         return virtualPath;
 246                 }
 247
 248                 public string MapPathFromMapper (string virtualPath)
 249                 {
 250                         string path = NormalizeVirtualPath (virtualPath);
 251
 252                         foreach (VirtualDirectoryMapping mapping in map.VirtualDirectories) {
 253                                 if (path.StartsWith (mapping.VirtualDirectory)) {
 254                                         int i = mapping.VirtualDirectory.Length;
 255                                         if (path.Length == i) {
 256                                                 return mapping.PhysicalDirectory;
 257                                         }
 258                                         else if (path [i] == '/') {
 259                                                 string pathPart = path.Substring (i + 1).Replace ('/', Path.DirectorySeparatorChar);
 260                                                 return Path.Combine (mapping.PhysicalDirectory, pathPart);
 261                                         }
 262                                 }
 263                         }
 264                         throw new HttpException ("Invalid virtual directory: " + virtualPath);
 265                 }
 266
 267                 string GetWebConfigFileName (string dir)
 268                 {
 269                         string[] filenames = new string[] {"Web.Config", "Web.config", "web.config" };
 270
 271                         foreach (string fn in filenames) {
 272                                 string file = Path.Combine (dir, fn);
 273                                 if (File.Exists (file))
 274                                         return file;
 275                         }
 276
 277                         return null;
 278                 }
 279
 280                 public virtual bool IsAboveApplication (string configPath)
 281                 {
 282                         throw new NotImplementedException ();
 283                 }
 284
 285                 public virtual bool IsConfigRecordRequired (string configPath)
 286                 {
 287                         throw new NotImplementedException ();
 288                 }
 289
 290                 public virtual bool IsDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition, ConfigurationAllowExeDefinition allowExeDefinition)
 291                 {
 292                         switch (allowDefinition) {
 293                                 case ConfigurationAllowDefinition.MachineOnly:
 294                                         return configPath == MachinePath || configPath == MachineWebPath;
 295                                 case ConfigurationAllowDefinition.MachineToWebRoot:
 296                                 case ConfigurationAllowDefinition.MachineToApplication:
 297                                         return configPath == MachinePath || configPath == MachineWebPath || configPath == "/";
 298                                 default:
 299                                         return true;
 300                         }
 301                 }
 302
 303                 public virtual bool IsFile (string streamName)
 304                 {
 305                         throw new NotImplementedException ();
 306                 }
 307
 308                 public virtual bool IsLocationApplicable (string configPath)
 309                 {
 310                         throw new NotImplementedException ();
 311                 }
 312
 313                 public virtual Stream OpenStreamForRead (string streamName)
 314                 {
 315                         if (!File.Exists (streamName)) {
 316 #if TARGET_J2EE
 317                                 if (streamName != null && (streamName.EndsWith ("machine.config") || streamName.EndsWith ("web.config"))) {
 318                                         if (streamName.StartsWith ("/"))
 319                                                 streamName = streamName.Substring (1);
 320                                         java.lang.ClassLoader cl = (java.lang.ClassLoader) AppDomain.CurrentDomain.GetData ("GH_ContextClassLoader");
 321                                         if (cl != null) {
 322                                                 java.io.InputStream inputStream = cl.getResourceAsStream (streamName);
 323                                                 return (Stream) vmw.common.IOUtils.getStream (inputStream);
 324                                         }
 325                                 }
 326 #endif
 327                                 throw new ConfigurationException ("File '" + streamName + "' not found");
 328                         }
 329
 330                         return new FileStream (streamName, FileMode.Open, FileAccess.Read);
 331                 }
 332
 333                 [MonoTODO]
 334                 public virtual Stream OpenStreamForRead (string streamName, bool assertPermissions)
 335                 {
 336                         throw new NotImplementedException ();
 337                 }
 338
 339                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext)
 340                 {
 341                         return new FileStream (streamName, FileMode.Create, FileAccess.Write);
 342                 }
 343
 344                 [MonoTODO]
 345                 public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext, bool assertPermissions)
 346                 {
 347                         throw new NotImplementedException ();
 348                 }
 349
 350                 public virtual bool PrefetchAll (string configPath, string streamName)
 351                 {
 352                         throw new NotImplementedException ();
 353                 }
 354
 355                 public virtual bool PrefetchSection (string sectionGroupName, string sectionName)
 356                 {
 357                         throw new NotImplementedException ();
 358                 }
 359
 360                 [MonoTODO]
 361                 public virtual void RequireCompleteInit (IInternalConfigRecord configRecord)
 362                 {
 363                         throw new NotImplementedException ();
 364                 }
 365
 366                 public virtual object StartMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 367                 {
 368                         throw new NotImplementedException ();
 369                 }
 370
 371                 public virtual void StopMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
 372                 {
 373                         throw new NotImplementedException ();
 374                 }
 375
 376                 public virtual void VerifyDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition, ConfigurationAllowExeDefinition allowExeDefinition, IConfigErrorInfo errorInfo)
 377                 {
 378                         if (!IsDefinitionAllowed (configPath, allowDefinition, allowExeDefinition))
 379                                 throw new ConfigurationErrorsException ("The section can't be defined in this file (the allowed definition context is '" + allowDefinition + "').", errorInfo.Filename, errorInfo.LineNumber);
 380                 }
 381
 382                 public virtual void WriteCompleted (string streamName, bool success, object writeContext)
 383                 {
 384                 }
 385
 386                 [MonoTODO]
 387                 public virtual void WriteCompleted (string streamName, bool success, object writeContext, bool assertPermissions)
 388                 {
 389                 }
 390
 391                 public virtual bool SupportsChangeNotifications {
 392                         get { return false; }
 393                 }
 394
 395                 public virtual bool SupportsLocation {
 396                         get { return false; }
 397                 }
 398
 399                 public virtual bool SupportsPath {
 400                         get { return false; }
 401                 }
 402
 403                 public virtual bool SupportsRefresh {
 404                         get { return false; }
 405                 }
 406
 407                 [MonoTODO]
 408                 public virtual bool IsRemote {
 409                         get { return false; }
 410                 }
 411
 412                 [MonoTODO]
 413                 public virtual bool IsFullTrustSectionWithoutAptcaAllowed (IInternalConfigRecord configRecord)
 414                 {
 415                         throw new NotImplementedException ();
 416                 }
 417
 418                 [MonoTODO]
 419                 public virtual bool IsInitDelayed (IInternalConfigRecord configRecord)
 420                 {
 421                         throw new NotImplementedException ();
 422                 }
 423
 424                 [MonoTODO]
 425                 public virtual bool IsSecondaryRoot (string configPath)
 426                 {
 427                         throw new NotImplementedException ();
 428                 }
 429
 430                 [MonoTODO]
 431                 public virtual bool IsTrustedConfigPath (string configPath)
 432                 {
 433                         throw new NotImplementedException ();
 434                 }
 435         }
 436 }
 437
 438 #endif