Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/Configuration/CodeSubDirectory.cs

@@ -0,0 +1,115 @@
+//------------------------------------------------------------------------------
+// <copyright file="CodeSubDirectory.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+namespace System.Web.Configuration {
+    using System;
+    using System.Xml;
+    using System.Configuration;
+    using System.Collections.Specialized;
+    using System.Collections;
+    using System.Globalization;
+    using System.IO;
+    using System.Text;
+    using System.Web.Compilation;
+    using System.Reflection;
+    using System.Web.Hosting;
+    using System.Web.UI;
+    using System.CodeDom.Compiler;
+    using System.Web.Util;
+    using System.ComponentModel;
+    using System.Security.Permissions;
+
+    public sealed class CodeSubDirectory : ConfigurationElement {
+        private const string dirNameAttribName = "directoryName";
+
+        private static ConfigurationPropertyCollection _properties;
+        private static readonly ConfigurationProperty _propDirectoryName =
+            new ConfigurationProperty(dirNameAttribName,
+                                        typeof(string),
+                                        null,
+                                        StdValidatorsAndConverters.WhiteSpaceTrimStringConverter,
+                                        StdValidatorsAndConverters.NonEmptyStringValidator,
+                                        ConfigurationPropertyOptions.IsRequired | ConfigurationPropertyOptions.IsKey);
+
+        static CodeSubDirectory() {
+            _properties = new ConfigurationPropertyCollection();
+            _properties.Add(_propDirectoryName);
+        }
+
+
+        internal CodeSubDirectory() {
+        }
+
+        public CodeSubDirectory(string directoryName) {
+            DirectoryName = directoryName;
+        }
+
+        protected override ConfigurationPropertyCollection Properties {
+            get {
+                return _properties;
+            }
+        }
+
+        [ConfigurationProperty(dirNameAttribName, IsRequired = true, IsKey = true, DefaultValue = "")]
+        [TypeConverter(typeof(WhiteSpaceTrimStringConverter))]
+        public string DirectoryName {
+            get {
+                return (string)base[_propDirectoryName];
+            }
+            set {
+                base[_propDirectoryName] = value;
+            }
+        }
+
+        // The assembly is named after the directory
+        internal string AssemblyName { get { return DirectoryName; } }
+
+        // Validate the element for runtime use
+        internal void DoRuntimeValidation() {
+            string directoryName = DirectoryName;
+
+            // If the app is precompiled, don't attempt further validation, sine the directory
+            // will not actually exist (VSWhidbey 394333)
+            if (BuildManager.IsPrecompiledApp) {
+                return;
+            }
+
+            // Make sure it's just a valid simple directory name
+            if (!Util.IsValidFileName(directoryName)) {
+                throw new ConfigurationErrorsException(
+                    SR.GetString(SR.Invalid_CodeSubDirectory, directoryName),
+                    ElementInformation.Properties[dirNameAttribName].Source, ElementInformation.Properties[dirNameAttribName].LineNumber);
+            }
+
+            VirtualPath codeVirtualSubDir = HttpRuntime.CodeDirectoryVirtualPath.SimpleCombineWithDir(directoryName);
+
+            // Make sure the specified directory exists
+            if (!VirtualPathProvider.DirectoryExistsNoThrow(codeVirtualSubDir)) {
+                throw new ConfigurationErrorsException(
+                    SR.GetString(SR.Invalid_CodeSubDirectory_Not_Exist, codeVirtualSubDir),
+                    ElementInformation.Properties[dirNameAttribName].Source, ElementInformation.Properties[dirNameAttribName].LineNumber);
+            }
+
+            // Look at the actual physical dir to get its name canonicalized (VSWhidbey 288568)
+            string physicalDir = codeVirtualSubDir.MapPathInternal();
+            FindFileData ffd;
+            FindFileData.FindFile(physicalDir, out ffd);
+
+            // If the name was not canonical, reject it
+            if (!StringUtil.EqualsIgnoreCase(directoryName, ffd.FileNameLong)) {
+                throw new ConfigurationErrorsException(
+                    SR.GetString(SR.Invalid_CodeSubDirectory, directoryName),
+                    ElementInformation.Properties[dirNameAttribName].Source, ElementInformation.Properties[dirNameAttribName].LineNumber);
+            }
+
+            if (BuildManager.IsReservedAssemblyName(directoryName)) {
+                throw new ConfigurationErrorsException(
+                    SR.GetString(SR.Reserved_AssemblyName, directoryName),
+                    ElementInformation.Properties[dirNameAttribName].Source, ElementInformation.Properties[dirNameAttribName].LineNumber);
+            }
+        }
+    }
+}