497 lines
16 KiB
C#
497 lines
16 KiB
C#
//
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// System.Web.Configuration.WebConfigurationHost.cs
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//
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// Authors:
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// Lluis Sanchez Gual (lluis@novell.com)
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// Marek Habersack <mhabersack@novell.com>
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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// Copyright (C) 2005-2009 Novell, Inc (http://www.novell.com)
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//
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using System;
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using System.Collections;
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using System.IO;
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using System.Security;
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using System.Configuration;
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using System.Configuration.Internal;
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using System.Web.Hosting;
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using System.Web.Util;
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using System.Reflection;
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/*
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* this class needs to be rewritten to support usage of the
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* IRemoteWebConfigurationHostServer interface. Once that's done, we
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* need an implementation of that interface that talks (through a web
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* service?) to a remote site..
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*
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* for now, though, just implement it as we do
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* System.Configuration.InternalConfigurationHost, i.e. the local
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* case.
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*/
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namespace System.Web.Configuration
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{
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class WebConfigurationHost: IInternalConfigHost
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{
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WebConfigurationFileMap map;
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const string MachinePath = ":machine:";
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const string MachineWebPath = ":web:";
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string appVirtualPath;
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public virtual object CreateConfigurationContext (string configPath, string locationSubPath)
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{
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return new WebContext (WebApplicationLevel.AtApplication /* XXX */,
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"" /* site XXX */,
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"" /* application path XXX */,
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configPath,
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locationSubPath);
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}
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public virtual object CreateDeprecatedConfigContext (string configPath)
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{
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return new HttpConfigurationContext(configPath);
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}
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public virtual string DecryptSection (string encryptedXml, ProtectedConfigurationProvider protectionProvider, ProtectedConfigurationSection protectedSection)
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{
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if (protectedSection == null)
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throw new ArgumentNullException ("protectedSection");
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return protectedSection.EncryptSection (encryptedXml, protectionProvider);
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}
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public virtual void DeleteStream (string streamName)
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{
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File.Delete (streamName);
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}
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public virtual string EncryptSection (string clearXml, ProtectedConfigurationProvider protectionProvider, ProtectedConfigurationSection protectedSection)
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{
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if (protectedSection == null)
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throw new ArgumentNullException ("protectedSection");
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return protectedSection.EncryptSection (clearXml, protectionProvider);
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}
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public virtual string GetConfigPathFromLocationSubPath (string configPath, string locationSubPath)
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{
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if (!String.IsNullOrEmpty (locationSubPath) && !String.IsNullOrEmpty (configPath)) {
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string relConfigPath = configPath.Length == 1 ? null : configPath.Substring (1) + "/";
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if (relConfigPath != null && locationSubPath.StartsWith (relConfigPath, StringComparison.Ordinal))
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locationSubPath = locationSubPath.Substring (relConfigPath.Length);
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}
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string ret = configPath + "/" + locationSubPath;
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if (!String.IsNullOrEmpty (ret) && ret [0] == '/')
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return ret.Substring (1);
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return ret;
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}
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public virtual Type GetConfigType (string typeName, bool throwOnError)
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{
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Type type = HttpApplication.LoadType (typeName);
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if (type == null && throwOnError)
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throw new ConfigurationErrorsException ("Type not found: '" + typeName + "'");
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return type;
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}
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public virtual string GetConfigTypeName (Type t)
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{
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return t.AssemblyQualifiedName;
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}
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public virtual void GetRestrictedPermissions (IInternalConfigRecord configRecord, out PermissionSet permissionSet,
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out bool isHostReady)
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{
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throw new NotImplementedException ();
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}
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public virtual string GetStreamName (string configPath)
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{
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if (configPath == MachinePath) {
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if (map == null)
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return System.Runtime.InteropServices.RuntimeEnvironment.SystemConfigurationFile;
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else
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return map.MachineConfigFilename;
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} else if (configPath == MachineWebPath) {
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string mdir;
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if (map == null)
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mdir = Path.GetDirectoryName (System.Runtime.InteropServices.RuntimeEnvironment.SystemConfigurationFile);
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else
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mdir = Path.GetDirectoryName (map.MachineConfigFilename);
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return GetWebConfigFileName (mdir);
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}
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string dir = MapPath (configPath);
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return GetWebConfigFileName (dir);
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}
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public virtual string GetStreamNameForConfigSource (string streamName, string configSource)
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{
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throw new NotImplementedException ();
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}
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public virtual object GetStreamVersion (string streamName)
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{
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throw new NotImplementedException ();
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}
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public virtual IDisposable Impersonate ()
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{
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throw new NotImplementedException ();
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}
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public virtual void Init (IInternalConfigRoot root, params object[] hostInitParams)
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{
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}
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public virtual void InitForConfiguration (ref string locationSubPath, out string configPath,
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out string locationConfigPath, IInternalConfigRoot root,
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params object[] hostInitConfigurationParams)
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{
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string fullPath = (string) hostInitConfigurationParams [1];
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map = (WebConfigurationFileMap) hostInitConfigurationParams [0];
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bool inAnotherApp = false;
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if ((hostInitConfigurationParams.Length > 7)
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&& (hostInitConfigurationParams[7] is bool))
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inAnotherApp = (bool) hostInitConfigurationParams[7];
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if (inAnotherApp)
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appVirtualPath = fullPath;
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else
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appVirtualPath = HttpRuntime.AppDomainAppVirtualPath;
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if (locationSubPath == MachineWebPath) {
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locationSubPath = MachinePath;
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configPath = MachineWebPath;
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locationConfigPath = null;
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} else if (locationSubPath == MachinePath) {
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locationSubPath = null;
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configPath = MachinePath;
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locationConfigPath = null;
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} else {
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int i;
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if (locationSubPath == null) {
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configPath = fullPath;
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if (configPath.Length > 1)
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configPath = VirtualPathUtility.RemoveTrailingSlash (configPath);
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} else
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configPath = locationSubPath;
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if (configPath == HttpRuntime.AppDomainAppVirtualPath || configPath == "/")
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i = -1;
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else
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i = configPath.LastIndexOf ("/");
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if (i != -1) {
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locationConfigPath = configPath.Substring (i+1);
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if (i == 0)
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locationSubPath = "/";
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else
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locationSubPath = fullPath.Substring (0, i);
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} else {
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locationSubPath = MachineWebPath;
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locationConfigPath = null;
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}
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}
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}
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public string MapPath (string virtualPath)
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{
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if (!String.IsNullOrEmpty (virtualPath)) {
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if (virtualPath.StartsWith (System.Web.Compilation.BuildManager.FAKE_VIRTUAL_PATH_PREFIX, StringComparison.Ordinal))
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return HttpRuntime.AppDomainAppPath;
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}
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if (map != null)
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return MapPathFromMapper (virtualPath);
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else if (HttpContext.Current != null && HttpContext.Current.Request != null)
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return HttpContext.Current.Request.MapPath (virtualPath);
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else if (HttpRuntime.AppDomainAppVirtualPath != null &&
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virtualPath.StartsWith (HttpRuntime.AppDomainAppVirtualPath)) {
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if (virtualPath == HttpRuntime.AppDomainAppVirtualPath)
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return HttpRuntime.AppDomainAppPath;
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return UrlUtils.Combine (HttpRuntime.AppDomainAppPath,
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virtualPath.Substring (HttpRuntime.AppDomainAppVirtualPath.Length));
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}
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return virtualPath;
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}
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public string NormalizeVirtualPath (string virtualPath)
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{
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if (virtualPath == null || virtualPath.Length == 0)
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virtualPath = ".";
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else
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virtualPath = virtualPath.Trim ();
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if (virtualPath [0] == '~' && virtualPath.Length > 2 && virtualPath [1] == '/')
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virtualPath = virtualPath.Substring (1);
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if (System.IO.Path.DirectorySeparatorChar != '/')
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virtualPath = virtualPath.Replace (System.IO.Path.DirectorySeparatorChar, '/');
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if (UrlUtils.IsRooted (virtualPath)) {
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virtualPath = UrlUtils.Canonic (virtualPath);
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} else {
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if (map.VirtualDirectories.Count > 0) {
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string root = map.VirtualDirectories [0].VirtualDirectory;
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virtualPath = UrlUtils.Combine (root, virtualPath);
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virtualPath = UrlUtils.Canonic (virtualPath);
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}
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}
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return virtualPath;
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}
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public string MapPathFromMapper (string virtualPath)
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{
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string path = NormalizeVirtualPath (virtualPath);
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foreach (VirtualDirectoryMapping mapping in map.VirtualDirectories) {
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if (path.StartsWith (mapping.VirtualDirectory)) {
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int i = mapping.VirtualDirectory.Length;
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if (path.Length == i) {
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return mapping.PhysicalDirectory;
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}
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else if (path [i] == '/') {
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string pathPart = path.Substring (i + 1).Replace ('/', Path.DirectorySeparatorChar);
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return Path.Combine (mapping.PhysicalDirectory, pathPart);
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}
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}
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}
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throw new HttpException ("Invalid virtual directory: " + virtualPath);
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}
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internal static string GetWebConfigFileName (string dir)
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{
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AppDomain domain = AppDomain.CurrentDomain;
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bool hosted = (domain.GetData (ApplicationHost.MonoHostedDataKey) as string) == "yes";
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if (hosted)
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return ApplicationHost.FindWebConfig (dir);
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else {
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Assembly asm = Assembly.GetEntryAssembly () ?? Assembly.GetCallingAssembly ();
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string name = Path.GetFileName (asm.Location);
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string[] fileNames = new string[] {name + ".config", name + ".Config"};
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string appDir = domain.BaseDirectory;
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string file;
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foreach (string fn in fileNames) {
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file = Path.Combine (appDir, fn);
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if (File.Exists (file))
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return file;
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}
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}
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return null;
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}
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public virtual bool IsAboveApplication (string configPath)
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{
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return !configPath.Contains (HttpRuntime.AppDomainAppPath);
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}
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public virtual bool IsConfigRecordRequired (string configPath)
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{
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throw new NotImplementedException ();
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}
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public virtual bool IsDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition,
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ConfigurationAllowExeDefinition allowExeDefinition)
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{
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switch (allowDefinition) {
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case ConfigurationAllowDefinition.MachineOnly:
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return configPath == MachinePath || configPath == MachineWebPath;
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case ConfigurationAllowDefinition.MachineToWebRoot:
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case ConfigurationAllowDefinition.MachineToApplication:
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if (String.IsNullOrEmpty (configPath))
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return true;
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string normalized;
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if (VirtualPathUtility.IsRooted (configPath))
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normalized = VirtualPathUtility.Normalize (configPath);
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else
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normalized = configPath;
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if ((String.Compare (normalized, MachinePath, StringComparison.Ordinal) == 0) ||
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(String.Compare (normalized, MachineWebPath, StringComparison.Ordinal) == 0))
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return true;
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if ((String.Compare (normalized, appVirtualPath) != 0))
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return IsApplication (normalized);
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return true;
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default:
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return true;
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}
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}
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[MonoTODO("Should return false in case strPath points to the root of an application.")]
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internal bool IsApplication(string strPath)
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{
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return true;
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}
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public virtual bool IsFile (string streamName)
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{
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throw new NotImplementedException ();
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}
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public virtual bool IsLocationApplicable (string configPath)
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{
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throw new NotImplementedException ();
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}
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public virtual Stream OpenStreamForRead (string streamName)
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{
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if (!File.Exists (streamName)) {
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return null;
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}
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return new FileStream (streamName, FileMode.Open, FileAccess.Read);
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}
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[MonoTODO ("Not implemented")]
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public virtual Stream OpenStreamForRead (string streamName, bool assertPermissions)
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{
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throw new NotImplementedException ();
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}
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public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext)
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{
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if (!IsAboveApplication (streamName))
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WebConfigurationManager.SuppressAppReload (true);
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return new FileStream (streamName, FileMode.Create, FileAccess.Write);
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}
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[MonoTODO ("Not implemented")]
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public virtual Stream OpenStreamForWrite (string streamName, string templateStreamName, ref object writeContext,
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bool assertPermissions)
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{
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throw new NotImplementedException ();
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}
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public virtual bool PrefetchAll (string configPath, string streamName)
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{
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throw new NotImplementedException ();
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}
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public virtual bool PrefetchSection (string sectionGroupName, string sectionName)
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{
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throw new NotImplementedException ();
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}
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[MonoTODO ("Not implemented")]
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public virtual void RequireCompleteInit (IInternalConfigRecord configRecord)
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{
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throw new NotImplementedException ();
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}
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public virtual object StartMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
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{
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throw new NotImplementedException ();
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}
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public virtual void StopMonitoringStreamForChanges (string streamName, StreamChangeCallback callback)
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{
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throw new NotImplementedException ();
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}
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public virtual void VerifyDefinitionAllowed (string configPath, ConfigurationAllowDefinition allowDefinition,
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ConfigurationAllowExeDefinition allowExeDefinition,
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IConfigErrorInfo errorInfo)
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{
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if (!IsDefinitionAllowed (configPath, allowDefinition, allowExeDefinition))
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throw new ConfigurationErrorsException ("The section can't be defined in this file (the allowed definition context is '" + allowDefinition + "').", errorInfo.Filename, errorInfo.LineNumber);
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}
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public virtual void WriteCompleted (string streamName, bool success, object writeContext)
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{
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WriteCompleted (streamName, success, writeContext, false);
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}
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public virtual void WriteCompleted (string streamName, bool success, object writeContext, bool assertPermissions)
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{
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// There are probably other things to be done here, but for the moment we
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// just mark the completed write as one that should not cause application
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// reload. Note that it might already be too late for suppression, since the
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// FileSystemWatcher monitor might have already delivered the
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// notification. If the stream has been open using OpenStreamForWrite then
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// we're safe, though.
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if (!IsAboveApplication (streamName))
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WebConfigurationManager.SuppressAppReload (true);
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}
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public virtual bool SupportsChangeNotifications {
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get { return false; }
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}
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public virtual bool SupportsLocation {
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get { return false; }
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}
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public virtual bool SupportsPath {
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get { return false; }
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}
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public virtual bool SupportsRefresh {
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get { return false; }
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}
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[MonoTODO("Always returns false")]
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public virtual bool IsRemote {
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get { return false; }
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}
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[MonoTODO ("Not implemented")]
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public virtual bool IsFullTrustSectionWithoutAptcaAllowed (IInternalConfigRecord configRecord)
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{
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throw new NotImplementedException ();
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}
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[MonoTODO ("Not implemented")]
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public virtual bool IsInitDelayed (IInternalConfigRecord configRecord)
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{
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throw new NotImplementedException ();
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}
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[MonoTODO ("Not implemented")]
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public virtual bool IsSecondaryRoot (string configPath)
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{
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throw new NotImplementedException ();
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}
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[MonoTODO ("Not implemented")]
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public virtual bool IsTrustedConfigPath (string configPath)
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{
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throw new NotImplementedException ();
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}
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}
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}
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