VirtualDirectoryMapping.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / Configuration / VirtualDirectoryMapping.cs / 1305376 / VirtualDirectoryMapping.cs

                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Web.Configuration { 
    using System; 
    using System.Configuration;
    using System.IO; 
    using System.Web.Util;
    using System.Security.Permissions;

    // 
    // Maps a virtual directory to a physical directory and its config file.
    // 
    public sealed class VirtualDirectoryMapping { 
        VirtualPath  _virtualDirectory;
        string  _physicalDirectory; 
        string  _configFileBaseName;
        bool    _isAppRoot;

        const string DEFAULT_BASE_NAME = "web.config"; 

        public VirtualDirectoryMapping(string physicalDirectory, bool isAppRoot) 
            : this(null, physicalDirectory, isAppRoot, DEFAULT_BASE_NAME) { 

        } 

        public VirtualDirectoryMapping(string physicalDirectory, bool isAppRoot, string configFileBaseName)
            : this(null, physicalDirectory, isAppRoot, configFileBaseName) {
        } 

        private VirtualDirectoryMapping(VirtualPath virtualDirectory, string physicalDirectory, bool isAppRoot, string configFileBaseName) { 
            _virtualDirectory = virtualDirectory; 
            _isAppRoot = isAppRoot;
 
            PhysicalDirectory = physicalDirectory;
            ConfigFileBaseName = configFileBaseName;
        }
 
        internal VirtualDirectoryMapping Clone() {
            return new VirtualDirectoryMapping(_virtualDirectory, _physicalDirectory, _isAppRoot, _configFileBaseName); 
        } 

        // 
        // Get the virtual directory.
        // Not settable because it is set when it is added to a collection.
        //
        public string VirtualDirectory { 
            get {
                return (_virtualDirectory != null) ? _virtualDirectory.VirtualPathString : string.Empty; 
            } 
        }
 
        internal VirtualPath VirtualDirectoryObject {
            get {
                return _virtualDirectory;
            } 
        }
 
        internal void SetVirtualDirectory(VirtualPath virtualDirectory) { 
            _virtualDirectory = virtualDirectory;
        } 

        //
        // The physical directory.
        // 
        public string PhysicalDirectory {
            get { 
                return _physicalDirectory; 
            }
 
            set {
                string physicalDirectory = value;
                if (String.IsNullOrEmpty(physicalDirectory)) {
                    physicalDirectory = null; 
                }
                else { 
                    // remove trailing '\' if any 
                    if (UrlPath.PathEndsWithExtraSlash(physicalDirectory)) {
                        physicalDirectory = physicalDirectory.Substring(0, physicalDirectory.Length - 1); 
                    }

                    // Throw if the resulting physical path is not canonical, to prevent potential
                    // security issues (VSWhidbey 418125) 
                    if (FileUtil.IsSuspiciousPhysicalPath(physicalDirectory)) {
                        throw ExceptionUtil.ParameterInvalid("PhysicalDirectory"); 
                    } 
                }
 
                _physicalDirectory = physicalDirectory;
            }
        }
 
        //
        // Indicates whether the virtual directory is the location of an application. 
        // 
        public bool IsAppRoot {
            get { 
                return _isAppRoot;
            }

            set { 
                _isAppRoot = value;
            } 
 
        }
 
        //
        // The base name of the config file.
        // If not specified, "web.config" is used.
        // 
        public string ConfigFileBaseName {
            get { 
                return _configFileBaseName; 
            }
 
            set {
                if (string.IsNullOrEmpty(value)) {
                    throw ExceptionUtil.PropertyInvalid("ConfigFileBaseName");
                } 

                _configFileBaseName = value; 
            } 
        }
 
        internal void Validate() {
            if (_physicalDirectory != null) {
                //
                // Ensure that the caller has PathDiscovery to the resulting config file, 
                // and that the web.config file does not have ".." that could lead to a
                // different directory. 
                // 
                string configFilename = Path.Combine(_physicalDirectory, _configFileBaseName);
                string fullConfigFilename = Path.GetFullPath(configFilename); 
                if (    Path.GetDirectoryName(fullConfigFilename) != _physicalDirectory ||
                        Path.GetFileName(fullConfigFilename) != _configFileBaseName ||
                        FileUtil.IsSuspiciousPhysicalPath(configFilename)) {
 
                    throw ExceptionUtil.ParameterInvalid("configFileBaseName");
                } 
            } 
        }
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
                        

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