Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / xsp / System / Web / Configuration / UserMapPath.cs / 2 / UserMapPath.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.Configuration { using System.Configuration; using System.Collections; using System.Globalization; using System.Xml; using System.Text; using System.Web.Util; using System.Web.UI; using System.IO; using System.Web.Hosting; // // IConfigMapPath that uses information from a ConfigurationFileMap. // class UserMapPath : IConfigMapPath { string _machineConfigFilename; string _rootWebConfigFilename; string _siteName; string _siteID; WebConfigurationFileMap _webFileMap; bool _pathsAreLocal; internal UserMapPath(ConfigurationFileMap fileMap) : this(fileMap, true) { } internal UserMapPath(ConfigurationFileMap fileMap, bool pathsAreLocal) { _pathsAreLocal = pathsAreLocal; // Defaults for machine.config and root web.config if not supplied by user _machineConfigFilename = HttpConfigurationSystem.MachineConfigurationFilePath; _rootWebConfigFilename = HttpConfigurationSystem.RootWebConfigurationFilePath; if (!String.IsNullOrEmpty(fileMap.MachineConfigFilename)) { if (_pathsAreLocal) { _machineConfigFilename = Path.GetFullPath(fileMap.MachineConfigFilename); } else { _machineConfigFilename = fileMap.MachineConfigFilename; } } _webFileMap = fileMap as WebConfigurationFileMap; if (_webFileMap != null) { // Use the site if supplied, otherwise use the default. if (!String.IsNullOrEmpty(_webFileMap.Site)) { _siteName = _webFileMap.Site; _siteID = _webFileMap.Site; } else { _siteName = WebConfigurationHost.DefaultSiteName; _siteID = WebConfigurationHost.DefaultSiteID; } if (_pathsAreLocal) { // validate mappings foreach (string virtualDirectory in _webFileMap.VirtualDirectories) { VirtualDirectoryMapping mapping = _webFileMap.VirtualDirectories[virtualDirectory]; mapping.Validate(); } } // Get the root web.config path VirtualDirectoryMapping rootWebMapping = _webFileMap.VirtualDirectories[null]; if (rootWebMapping != null) { _rootWebConfigFilename = Path.Combine(rootWebMapping.PhysicalDirectory, rootWebMapping.ConfigFileBaseName); _webFileMap.VirtualDirectories.Remove(null); } } } bool IsSiteMatch(string site) { return String.IsNullOrEmpty(site) || StringUtil.EqualsIgnoreCase(site, _siteName) || StringUtil.EqualsIgnoreCase(site, _siteID); } // Get the VirtualDirectoryMapping for a path by walking the parent hierarchy // until found. If onlyApps == true, then only return mappings for appliation roots. VirtualDirectoryMapping GetPathMapping(VirtualPath path, bool onlyApps) { if (_webFileMap == null) { return null; } string matchPath = path.VirtualPathStringNoTrailingSlash; for (;;) { VirtualDirectoryMapping mapping = _webFileMap.VirtualDirectories[matchPath]; if (mapping != null && (!onlyApps || mapping.IsAppRoot)) { return mapping; } // "/" is the root of the path hierarchy, so it is not found if (matchPath == "/") { return null; } int index = matchPath.LastIndexOf('/'); if (index == 0) { matchPath = "/"; } else { matchPath = matchPath.Substring(0, index); } } } // Given a path and a VirtualDirectoryMapping, return the corresponding // physical path. string GetPhysicalPathForPath(string path, VirtualDirectoryMapping mapping) { string physicalPath; int l = mapping.VirtualDirectory.Length; if (path.Length == l) { physicalPath = mapping.PhysicalDirectory; } else { string childPart; if (path[l] == '/') { childPart = path.Substring(l+1); } else { childPart = path.Substring(l); } childPart = childPart.Replace('/', '\\'); physicalPath = Path.Combine(mapping.PhysicalDirectory, childPart); } // Throw if the resulting physical path is not canonical, to prevent potential // security issues (VSWhidbey 418125) if (_pathsAreLocal && FileUtil.IsSuspiciousPhysicalPath(physicalPath)) { throw new HttpException(SR.GetString(SR.Cannot_map_path, path)); } return physicalPath; } public string GetMachineConfigFilename() { return _machineConfigFilename; } public string GetRootWebConfigFilename() { return _rootWebConfigFilename; } public void GetPathConfigFilename( string siteID, string path, out string directory, out string baseName) { GetPathConfigFilename(siteID, VirtualPath.Create(path), out directory, out baseName); } private void GetPathConfigFilename( string siteID, VirtualPath path, out string directory, out string baseName) { directory = null; baseName = null; if (!IsSiteMatch(siteID)) return; VirtualDirectoryMapping mapping = GetPathMapping(path, false); if (mapping == null) return; directory = GetPhysicalPathForPath(path.VirtualPathString, mapping); if (directory == null) return; baseName = mapping.ConfigFileBaseName; } public void GetDefaultSiteNameAndID(out string siteName, out string siteID) { siteName = _siteName; siteID = _siteID; } public void ResolveSiteArgument(string siteArgument, out string siteName, out string siteID) { if (IsSiteMatch(siteArgument)) { siteName = _siteName; siteID = _siteID; } else { siteName = siteArgument; siteID = null; } } public string MapPath(string siteID, string path) { return MapPath(siteID, VirtualPath.Create(path)); } private string MapPath(string siteID, VirtualPath path) { string directory, baseName; GetPathConfigFilename(siteID, path, out directory, out baseName); return directory; } public string GetAppPathForPath(string siteID, string path) { VirtualPath resolved = GetAppPathForPath(siteID, VirtualPath.Create(path)); if (resolved == null) { return null; } return resolved.VirtualPathString; } private VirtualPath GetAppPathForPath(string siteID, VirtualPath path) { if (!IsSiteMatch(siteID)) { return null; } VirtualDirectoryMapping mapping = GetPathMapping(path, true); if (mapping == null) { return null; } return mapping.VirtualDirectoryObject; } } }
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