Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / untmp / whidbey / QFE / ndp / fx / src / xsp / System / Web / Configuration / ProcessHostMapPath.cs / 2 / ProcessHostMapPath.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.Configuration { using System.Configuration; using System.Collections; using System.Globalization; using System.Runtime.InteropServices; using System.Xml; using System.Text; using System.Web.Caching; using System.Web.Util; using System.Web.UI; using System.IO; using System.Web.Hosting; // // Uses IIS 7 native config // internal sealed class ProcessHostMapPath : IConfigMapPath, IConfigMapPath2 { IProcessHostSupportFunctions _functions; object _mapPathCacheLock; static ProcessHostMapPath() { HttpRuntime.ForceStaticInit(); } internal ProcessHostMapPath(IProcessHostSupportFunctions functions) { // if the functions are null and we're // not in a worker process, init the mgdeng config system if (null == functions) { ProcessHostConfigUtils.InitStandaloneConfig(); } // we need to explicit create a COM proxy in this app domain // so we don't go back to the default domain or have lifetime issues if (null != functions) { _functions = Misc.CreateLocalSupportFunctions(functions); } // proactive set the config functions for // webengine in case this is a TCP init path if (null != _functions ) { IntPtr configSystem = _functions.GetNativeConfigurationSystem(); Debug.Assert(IntPtr.Zero != configSystem, "null != configSystem"); if (IntPtr.Zero != configSystem) { // won't fail if valid pointer // no cleanup needed, we don't own instance UnsafeIISMethods.MgdSetNativeConfiguration(configSystem); } } _mapPathCacheLock = new Object(); } string IConfigMapPath.GetMachineConfigFilename() { return HttpConfigurationSystem.MachineConfigurationFilePath; } string IConfigMapPath.GetRootWebConfigFilename() { string rootWeb = null; if (null != _functions) { rootWeb = _functions.GetRootWebConfigFilename(); } if (String.IsNullOrEmpty(rootWeb)) { rootWeb = HttpConfigurationSystem.RootWebConfigurationFilePath; } Debug.Trace("MapPath", "ProcHostMP.GetRootWebConfigFilename = " + rootWeb); Debug.Assert(!String.IsNullOrEmpty(rootWeb), "rootWeb != null or empty"); return rootWeb; } private void GetPathConfigFilenameWorker(string siteID, VirtualPath path, out string directory, out string baseName) { directory = MapPathCaching(siteID, path); if (directory != null) { baseName = HttpConfigurationSystem.WebConfigFileName; } else { baseName = null; } Debug.Trace("MapPath", "ProcHostMP.GetPathConfigFilename(" + siteID + ", " + path + ")\n" + " result = " + directory + " and " + baseName + "\n"); } void IConfigMapPath.GetPathConfigFilename( string siteID, string path, out string directory, out string baseName) { GetPathConfigFilenameWorker(siteID, VirtualPath.Create(path), out directory, out baseName); } // IConfigMapPath2 VirtualPath variant void IConfigMapPath2.GetPathConfigFilename( string siteID, VirtualPath path, out string directory, out string baseName) { GetPathConfigFilenameWorker(siteID, path, out directory, out baseName); } void IConfigMapPath.GetDefaultSiteNameAndID(out string siteName, out string siteID) { Debug.Trace("MapPath", "ProcHostMP.GetDefaultSiteNameAndID\n"); siteID = ProcessHostConfigUtils.DEFAULT_SITE_ID_STRING; siteName = ProcessHostConfigUtils.GetSiteNameFromId(ProcessHostConfigUtils.DEFAULT_SITE_ID_UINT); } void IConfigMapPath.ResolveSiteArgument(string siteArgument, out string siteName, out string siteID) { Debug.Trace("MapPath", "ProcHostMP.ResolveSiteArgument(" + siteArgument + ")\n"); if ( String.IsNullOrEmpty(siteArgument) || StringUtil.EqualsIgnoreCase(siteArgument, ProcessHostConfigUtils.DEFAULT_SITE_ID_STRING) || StringUtil.EqualsIgnoreCase(siteArgument, ProcessHostConfigUtils.GetSiteNameFromId(ProcessHostConfigUtils.DEFAULT_SITE_ID_UINT))) { siteName = ProcessHostConfigUtils.GetSiteNameFromId(ProcessHostConfigUtils.DEFAULT_SITE_ID_UINT); siteID = ProcessHostConfigUtils.DEFAULT_SITE_ID_STRING; } else { siteName = String.Empty; siteID = String.Empty; string resolvedName = null; if (IISMapPath.IsSiteId(siteArgument)) { uint id; if (UInt32.TryParse(siteArgument, out id)) { resolvedName = ProcessHostConfigUtils.GetSiteNameFromId(id); } } // try to resolve the string else { uint id = UnsafeIISMethods.MgdResolveSiteName(siteArgument); if (id != 0) { siteID = id.ToString(CultureInfo.InvariantCulture); siteName = siteArgument; return; } } if (!String.IsNullOrEmpty(resolvedName)) { siteName = resolvedName; siteID = siteArgument; } else { siteName = siteArgument; siteID = String.Empty; } } Debug.Assert(!String.IsNullOrEmpty(siteName), "!String.IsNullOrEmpty(siteName), siteArg=" + siteArgument); } private string MapPathWorker(string siteID, VirtualPath path) { Debug.Trace("MapPath", "ProcHostMP.MapPath(" + siteID + ", " + path + ")\n"); return MapPathCaching(siteID, path); } // IConfigMapPath2 variant with VirtualPath string IConfigMapPath2.MapPath(string siteID, VirtualPath path) { return MapPathWorker(siteID, path); } string IConfigMapPath.MapPath(string siteID, string path) { return MapPathWorker(siteID, VirtualPath.Create(path)); } string IConfigMapPath.GetAppPathForPath(string siteID, string path) { VirtualPath resolved = GetAppPathForPathWorker(siteID, VirtualPath.Create(path)); return resolved.VirtualPathString; } // IConfigMapPath2 variant with VirtualPath VirtualPath IConfigMapPath2.GetAppPathForPath(string siteID, VirtualPath path) { return GetAppPathForPathWorker(siteID, path); } VirtualPath GetAppPathForPathWorker(string siteID, VirtualPath path) { Debug.Trace("MapPath", "ProcHostMP.GetAppPathForPath(" + siteID + ", " + path.VirtualPathString + ")\n"); uint siteValue = 0; if (!UInt32.TryParse(siteID, out siteValue)) { return VirtualPath.RootVirtualPath; } IntPtr pBstr = IntPtr.Zero; int cBstr = 0; string appPath; try { int result = UnsafeIISMethods.MgdGetAppPathForPath(siteValue, path.VirtualPathString, out pBstr, out cBstr); appPath = (result == 0 && cBstr > 0) ? StringUtil.StringFromWCharPtr(pBstr, cBstr) : null; } finally { if (pBstr != IntPtr.Zero) { Marshal.FreeBSTR(pBstr); } } return (appPath != null) ? VirtualPath.Create(appPath) : VirtualPath.RootVirtualPath; } private string MapPathCaching(string siteID, VirtualPath path) { // store a single variation of the path VirtualPath originalPath = path; // Check if it's in the cache String cacheKey = CacheInternal.PrefixMapPath + siteID + path.VirtualPathString; MapPathCacheInfo cacheInfo = (MapPathCacheInfo) HttpRuntime.CacheInternal.Get(cacheKey); // If not in cache, add it to the cache if (cacheInfo == null) { lock (_mapPathCacheLock) { cacheInfo = (MapPathCacheInfo) HttpRuntime.CacheInternal.Get(cacheKey); if (cacheInfo == null) { cacheInfo = new MapPathCacheInfo(); // Add to the cache: Valid for 10 minutes HttpRuntime.CacheInternal.UtcInsert(cacheKey, cacheInfo, null, DateTime.UtcNow.AddMinutes(10), Cache.NoSlidingExpiration); } } } // If not been evaluated, then evaluate it if (!cacheInfo.Evaluated) { lock(cacheInfo) { if (!cacheInfo.Evaluated) { try { string physicalPath = null; uint siteIDValue; if (UInt32.TryParse(siteID, out siteIDValue)) { string siteName = ProcessHostConfigUtils.GetSiteNameFromId(siteIDValue); physicalPath = ProcessHostConfigUtils.MapPathActual(siteName, path); } if (physicalPath != null && physicalPath.Length == 2 && physicalPath[1] == ':') physicalPath += "\\"; // Throw if the resulting physical path is not canonical, to prevent potential // security issues ( if (FileUtil.IsSuspiciousPhysicalPath(physicalPath)) { throw new HttpException(SR.GetString(SR.Cannot_map_path, path)); } cacheInfo.MapPathResult = physicalPath; } catch (Exception e) { cacheInfo.CachedException = e; cacheInfo.Evaluated=true; throw; } cacheInfo.Evaluated = true; } } } // Throw an exception if required if (cacheInfo.CachedException != null) { throw cacheInfo.CachedException; } return MatchResult(originalPath, cacheInfo.MapPathResult); } private string MatchResult(VirtualPath path, string result) { if (string.IsNullOrEmpty(result)) { return result; } result = result.Replace('/', '\\'); // ensure extra '\\' in the physical path if the virtual path had extra '/' // and the other way -- no extra '\\' in physical if virtual didn't have it. if (path.HasTrailingSlash) { if (!UrlPath.PathEndsWithExtraSlash(result)) { result = result + "\\"; } } else { if (UrlPath.PathEndsWithExtraSlash(result)) { result = result.Substring(0, result.Length - 1); } } return result; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- SafeNativeMethods.cs
- CompoundFileDeflateTransform.cs
- TreeNodeConverter.cs
- SqlServices.cs
- GPPOINT.cs
- HtmlTableRow.cs
- HttpApplicationStateBase.cs
- HMACSHA384.cs
- ContractMethodParameterInfo.cs
- ColumnMapCopier.cs
- UmAlQuraCalendar.cs
- ExpressionTextBoxAutomationPeer.cs
- VisualTreeUtils.cs
- DeviceSpecificDesigner.cs
- Interlocked.cs
- EdmItemCollection.cs
- PeerCollaboration.cs
- HttpTransportSecurityElement.cs
- UIElementParaClient.cs
- ColumnMapProcessor.cs
- Win32Exception.cs
- ColorAnimation.cs
- BasicExpandProvider.cs
- HtmlElementErrorEventArgs.cs
- BindingExpression.cs
- UnsafeNetInfoNativeMethods.cs
- GetReadStreamResult.cs
- WindowsListViewItem.cs
- LocalValueEnumerator.cs
- Token.cs
- FullTrustAssembly.cs
- RoutingConfiguration.cs
- LineServicesRun.cs
- RegexCode.cs
- BulletedListEventArgs.cs
- HorizontalAlignConverter.cs
- StdValidatorsAndConverters.cs
- ToolStripActionList.cs
- GenericXmlSecurityToken.cs
- ListBoxItemAutomationPeer.cs
- Sql8ExpressionRewriter.cs
- SqlUtils.cs
- oledbconnectionstring.cs
- DataColumnCollection.cs
- GlyphRunDrawing.cs
- MessageDroppedTraceRecord.cs
- RankException.cs
- BuiltInExpr.cs
- XPathNode.cs
- SafeFileHandle.cs
- UnsafeNativeMethodsCLR.cs
- EventData.cs
- SqlReferenceCollection.cs
- dtdvalidator.cs
- WebPartCatalogAddVerb.cs
- ColumnCollectionEditor.cs
- GuidConverter.cs
- ImageListStreamer.cs
- AddInServer.cs
- BezierSegment.cs
- Trace.cs
- PublisherMembershipCondition.cs
- StylusPointPropertyInfoDefaults.cs
- DbQueryCommandTree.cs
- BlockCollection.cs
- Renderer.cs
- FileSystemInfo.cs
- FontDialog.cs
- StrongTypingException.cs
- BindingMemberInfo.cs
- WebBrowserPermission.cs
- SecurityTokenAuthenticator.cs
- Semaphore.cs
- UnsafeMethods.cs
- Permission.cs
- ReflectionPermission.cs
- CodeMemberProperty.cs
- TemplateNameScope.cs
- HttpFileCollectionBase.cs
- Substitution.cs
- SystemDropShadowChrome.cs
- SQLChars.cs
- CodeSnippetStatement.cs
- UnicastIPAddressInformationCollection.cs
- CodeDirectionExpression.cs
- MonitoringDescriptionAttribute.cs
- CqlLexerHelpers.cs
- BamlWriter.cs
- PrintController.cs
- HeaderedItemsControl.cs
- FunctionParameter.cs
- BinaryFormatterWriter.cs
- RectAnimationBase.cs
- RootBuilder.cs
- Query.cs
- URLString.cs
- Automation.cs
- SchemaElementDecl.cs
- ColorDialog.cs
- ToolStripDropDownItem.cs