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//
// System.Web.Hosting.ApplicationHost.cs
//
// Author:
// Miguel de Icaza (miguel@novell.com)
//
//
// Copyright (C) 2005 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.IO;
using System.Security.Permissions;
using System.Security.Policy;
namespace System.Web.Hosting {
// CAS - no InheritanceDemand here as the class is sealed
[AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
public sealed class ApplicationHost {
static string [] types = { "Web.config", "web.config" };
private ApplicationHost ()
{
}
static string FindWebConfig (string basedir)
{
string r = null;
foreach (string s in types){
r = Path.Combine (basedir, s);
if (File.Exists (r))
return r;
}
// default: return the last one
return r;
}
//
// For furthe details see `Hosting the ASP.NET runtime'
//
// http://www.west-wind.com/presentations/aspnetruntime/aspnetruntime.asp
//
[SecurityPermission (SecurityAction.Demand, UnmanagedCode = true)]
public static object CreateApplicationHost (Type hostType, string virtualDir, string physicalDir)
{
if (physicalDir == null)
throw new NullReferenceException ();
// This might throw
Uri u = new Uri (physicalDir);
physicalDir = HttpUtility.UrlDecode (u.AbsolutePath);
if (hostType == null)
throw new NullReferenceException ();
if (virtualDir == null)
throw new NullReferenceException ();
Evidence evidence = new Evidence (AppDomain.CurrentDomain.Evidence);
//
// Unique Domain ID
//
string domain_id = "ASPHOST_" + DateTime.Now.ToString().GetHashCode().ToString("x");
//
// Setup
//
AppDomainSetup setup = new AppDomainSetup ();
setup.ApplicationBase = physicalDir;
setup.CachePath = null;
setup.ApplicationName = domain_id;
setup.ConfigurationFile = FindWebConfig (physicalDir);
setup.DisallowCodeDownload = true;
setup.PrivateBinPath = "bin";
setup.PrivateBinPathProbe = "*";
setup.ShadowCopyFiles = "true";
UriBuilder b = new UriBuilder ("file://", null, 0, Path.Combine (physicalDir, "bin"));
setup.ShadowCopyDirectories = b.Uri.ToString ();
string dynamic_dir = null;
string user = Environment.UserName;
for (int i = 0; ; i++){
string d = Path.Combine (Path.GetTempPath (),
String.Format ("{0}-temp-aspnet-{1:x}", user, i));
try {
Directory.CreateDirectory (d);
string stamp = Path.Combine (d, "stamp");
Directory.CreateDirectory (stamp);
dynamic_dir = d;
Directory.Delete (stamp);
break;
} catch (UnauthorizedAccessException){
continue;
}
}
setup.DynamicBase = dynamic_dir;
Directory.CreateDirectory (setup.DynamicBase);
//
// Create app domain
//
AppDomain appdomain;
appdomain = AppDomain.CreateDomain (domain_id, evidence, setup);
//
// Populate with the AppDomain data keys expected, Mono only uses a
// few, but third party apps might use others:
//
appdomain.SetData (".appDomain", "*");
int l = physicalDir.Length;
if (physicalDir [l - 1] != Path.DirectorySeparatorChar)
physicalDir += Path.DirectorySeparatorChar;
appdomain.SetData (".appPath", physicalDir);
appdomain.SetData (".appVPath", virtualDir);
appdomain.SetData (".domainId", domain_id);
appdomain.SetData (".hostingVirtualPath", virtualDir);
appdomain.SetData (".hostingInstallDir", Path.GetDirectoryName (typeof (Object).Assembly.CodeBase));
return appdomain.CreateInstanceAndUnwrap (hostType.Module.Assembly.FullName, hostType.FullName);
}
}
}
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