mcs/class/System.Web/System.Web.Hosting/HostingEnvironment.cs

   1 //
   2 // System.Web.Hosting.HostingEnvironment.cs
   3 //
   4 // Author:
   5 //      Chris Toshok (toshok@ximian.com)
   6 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   7 //
   8
   9 //
  10 // Copyright (C) 2005,2006 Novell, Inc (http://www.novell.com)
  11 //
  12 // Permission is hereby granted, free of charge, to any person obtaining
  13 // a copy of this software and associated documentation files (the
  14 // "Software"), to deal in the Software without restriction, including
  15 // without limitation the rights to use, copy, modify, merge, publish,
  16 // distribute, sublicense, and/or sell copies of the Software, and to
  17 // permit persons to whom the Software is furnished to do so, subject to
  18 // the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 //
  31
  32 #if NET_2_0
  33
  34 using System;
  35 using System.Security.Permissions;
  36 using System.Threading;
  37 using System.Web.Caching;
  38 using System.Web.Util;
  39
  40 namespace System.Web.Hosting {
  41
  42         [AspNetHostingPermission (SecurityAction.Demand, Level = AspNetHostingPermissionLevel.Medium)]
  43         [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.High)]
  44         public sealed class HostingEnvironment : MarshalByRefObject
  45         {
  46                 static bool is_hosted;
  47                 static string site_name;
  48                 static ApplicationShutdownReason shutdown_reason;
  49                 internal static BareApplicationHost Host;
  50                 static VirtualPathProvider vpath_provider = (HttpRuntime.AppDomainAppVirtualPath == null) ? null :
  51                                                                 new DefaultVirtualPathProvider ();
  52                 static int busy_count;
  53
  54                 public HostingEnvironment ()
  55                 {
  56                         // The documentation says that this is called once per domain by the ApplicationManager and
  57                         // then it throws InvalidOperationException whenever called.
  58                         throw new InvalidOperationException ();
  59                 }
  60
  61                 public static string ApplicationID {
  62                         get { return HttpRuntime.AppDomainAppId; }
  63                 }
  64
  65                 public static string ApplicationPhysicalPath {
  66                         get { return HttpRuntime.AppDomainAppPath; }
  67                 }
  68
  69                 public static string ApplicationVirtualPath {
  70                         get { return HttpRuntime.AppDomainAppVirtualPath; }
  71                 }
  72
  73                 public static Cache Cache {
  74                         get { return HttpRuntime.Cache; }
  75                 }
  76
  77                 public static Exception InitializationException {
  78                         get { return HttpApplication.InitializationException; }
  79                 }
  80
  81                 public static bool IsHosted {
  82                         get { return is_hosted; }
  83                 }
  84
  85                 public static ApplicationShutdownReason ShutdownReason {
  86                         get { return shutdown_reason; }
  87                 }
  88
  89                 [MonoTODO]
  90                 public static string SiteName {
  91                         get { return site_name; }
  92                 }
  93
  94                 public static VirtualPathProvider VirtualPathProvider {
  95                         get { return vpath_provider; }
  96                 }
  97
  98                 public static void DecrementBusyCount ()
  99                 {
 100                         Interlocked.Decrement (ref busy_count);
 101                 }
 102
 103                 [MonoTODO]
 104                 public static IDisposable Impersonate ()
 105                 {
 106                         throw new NotImplementedException ();
 107                 }
 108
 109                 [MonoTODO]
 110                 public static IDisposable Impersonate (IntPtr token)
 111                 {
 112                         throw new NotImplementedException ();
 113                 }
 114
 115                 [MonoTODO]
 116                 public static IDisposable Impersonate (IntPtr userToken, string virtualPath)
 117                 {
 118                         throw new NotImplementedException ();
 119                 }
 120
 121                 public static void IncrementBusyCount ()
 122                 {
 123                         Interlocked.Increment (ref busy_count);
 124                 }
 125
 126                 public override object InitializeLifetimeService ()
 127                 {
 128                         return null;
 129                 }
 130
 131                 public static void InitiateShutdown ()
 132                 {
 133                         HttpRuntime.UnloadAppDomain ();
 134                 }
 135
 136                 public static string MapPath (string virtualPath)
 137                 {
 138                         if (virtualPath == null || virtualPath == "")
 139                                 throw new ArgumentNullException ("virtualPath");
 140
 141                         if (UrlUtils.IsRelativeUrl (virtualPath)) {
 142                                 string msg = String.Format ("The relative virtual path '{0}', is not allowed here.", virtualPath);
 143                                 throw new ArgumentException (msg);
 144                         }
 145
 146                         HttpContext context = HttpContext.Current;
 147                         if (context == null)
 148                                 return null;
 149
 150                         return context.Request.MapPath (virtualPath);
 151                 }
 152
 153                 public static void RegisterObject (IRegisteredObject obj)
 154                 {
 155                         if (obj == null)
 156                                 throw new ArgumentNullException ("obj");
 157                         Host.RegisterObject (obj, false);
 158                 }
 159
 160                 public static void RegisterVirtualPathProvider (VirtualPathProvider virtualPathProvider)
 161                 {
 162                         if (HttpRuntime.AppDomainAppVirtualPath == null)
 163                                 throw new InvalidOperationException ();
 164
 165                         if (virtualPathProvider == null)
 166                                 throw new ArgumentNullException ("virtualPathProvider");
 167
 168                         virtualPathProvider.SetPrevious (vpath_provider);
 169                         vpath_provider = virtualPathProvider;
 170                 }
 171
 172                 [MonoTODO]
 173                 public static IDisposable SetCultures (string virtualPath)
 174                 {
 175                         throw new NotImplementedException ();
 176                 }
 177
 178                 [MonoTODO]
 179                 public static IDisposable SetCultures ()
 180                 {
 181                         throw new NotImplementedException ();
 182                 }
 183
 184                 public static void UnregisterObject (IRegisteredObject obj)
 185                 {
 186                         if (obj == null)
 187                                 throw new ArgumentNullException ("obj");
 188                         Host.UnregisterObject (obj);
 189                 }
 190         }
 191 }
 192
 193 #endif