Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / xsp / System / Web / Hosting / ISAPIApplicationHost.cs / 3 / ISAPIApplicationHost.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* * Application host for IIS 5.0 and 6.0 * * Copyright (c) 1999 Microsoft Corporation */ namespace System.Web.Hosting { using Microsoft.Win32; using System.IO; using System.Text; using System.Web; using System.Web.Configuration; using System.Web.Util; using System.Web.Management; // helper class to implement AppHost based on ISAPI internal class ISAPIApplicationHost : MarshalByRefObject, IApplicationHost { private String _appId; private String _siteID; private String _siteName; private VirtualPath _virtualPath; private String _physicalPath; private IProcessHostSupportFunctions _functions; private const int MAX_PATH = 260; private const string LMW3SVC_PREFIX = "/LM/W3SVC/"; private const string DEFAULT_SITEID = "1"; private const string DEFAULT_APPID_PREFIX = "/LM/W3SVC/1/ROOT"; internal ISAPIApplicationHost(string appIdOrVirtualPath, string physicalPath, bool validatePhysicalPath, IProcessHostSupportFunctions functions) { // appIdOrVirtualPath is either a full metabase path, or just a virtual path // e.g. /LM/W3SVC/1/Root/MyApp ot /MyApp // Figure out which one we have, and get the other one from it _functions = functions; // make sure the functions are set in the default domain if (null == _functions) { ProcessHost h = ProcessHost.DefaultHost; if (null != h) { _functions = h.SupportFunctions; if (null != _functions) { HostingEnvironment.SupportFunctions = _functions; } } } IServerConfig serverConfig = ServerConfig.GetInstance(); if (StringUtil.StringStartsWithIgnoreCase(appIdOrVirtualPath, LMW3SVC_PREFIX)) { _appId = appIdOrVirtualPath; _virtualPath = VirtualPath.Create(ExtractVPathFromAppId(_appId)); _siteID = ExtractSiteIdFromAppId(_appId); _siteName = serverConfig.GetSiteNameFromSiteID(_siteID); } else { _virtualPath = VirtualPath.Create(appIdOrVirtualPath); _appId = GetDefaultAppIdFromVPath(_virtualPath.VirtualPathString); _siteID = DEFAULT_SITEID; _siteName = serverConfig.GetSiteNameFromSiteID(_siteID); } // Get the physical path from the virtual path if it wasn't passed in if (physicalPath == null) { _physicalPath = serverConfig.MapPath(this, _virtualPath); } else { _physicalPath = physicalPath; } if (validatePhysicalPath) { if (!Directory.Exists(_physicalPath)) { throw new HttpException(SR.GetString(SR.Invalid_IIS_app, appIdOrVirtualPath)); } } } internal ISAPIApplicationHost(string appIdOrVirtualPath, string physicalPath, bool validatePhysicalPath) :this(appIdOrVirtualPath, physicalPath, validatePhysicalPath, null) {} public override Object InitializeLifetimeService() { return null; // never expire lease } // IApplicationHost implementation string IApplicationHost.GetVirtualPath() { return _virtualPath.VirtualPathString; } String IApplicationHost.GetPhysicalPath() { return _physicalPath; } IConfigMapPathFactory IApplicationHost.GetConfigMapPathFactory() { return new ISAPIConfigMapPathFactory(); } IntPtr IApplicationHost.GetConfigToken() { if (null != _functions) { return _functions.GetConfigToken(_appId); } IntPtr token = IntPtr.Zero; String username; String password; IServerConfig serverConfig = ServerConfig.GetInstance(); bool hasUncUser = serverConfig.GetUncUser(this, _virtualPath, out username, out password); if (hasUncUser) { try { String error; token = IdentitySection.CreateUserToken(username, password, out error); } catch { } } return token; } String IApplicationHost.GetSiteName() { return _siteName; } String IApplicationHost.GetSiteID() { return _siteID; } void IApplicationHost.MessageReceived() { // make this method call a no-op // it will be removed soon altogether } internal string AppId { get { return _appId; } } private static String ExtractVPathFromAppId(string id) { // app id is /LM/W3SVC/1/ROOT for root or /LM/W3SVC/1/ROOT/VDIR // find fifth / (assuming it starts with /) int si = 0; for (int i = 1; i < 5; i++) { si = id.IndexOf('/', si+1); if (si < 0) break; } if (si < 0) // root? return "/"; else return id.Substring(si); } private static String GetDefaultAppIdFromVPath(string virtualPath) { if (virtualPath.Length == 1 && virtualPath[0] == '/') { return DEFAULT_APPID_PREFIX; } else { return DEFAULT_APPID_PREFIX + virtualPath; } } private static String ExtractSiteIdFromAppId(string id) { // app id is /LM/W3SVC/1/ROOT for root or /LM/W3SVC/1/ROOT/VDIR // the site id is right after prefix int offset = LMW3SVC_PREFIX.Length; int si = id.IndexOf('/', offset); return (si > 0) ? id.Substring(offset, si - offset) : DEFAULT_SITEID; } internal IProcessHostSupportFunctions SupportFunctions { get { return _functions; } } internal string ResolveRootWebConfigPath() { string rootWebConfigPath = null; if (null != _functions) { rootWebConfigPath = _functions.GetRootWebConfigFilename(); } return rootWebConfigPath; } } // // Create an instance of IConfigMapPath in the worker appdomain. // By making the class Serializable, the call to IConfigMapPathFactory.Create() // will execute in the worker appdomain. // [Serializable()] internal class ISAPIConfigMapPathFactory : IConfigMapPathFactory { IConfigMapPath IConfigMapPathFactory.Create(string virtualPath, string physicalPath) { return IISMapPath.GetInstance(); } } }
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