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//------------------------------------------------------------------------------
// <copyright file="SimpleWorkerRequest.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.Hosting {
using System.Collections;
using System.IO;
using System.Runtime.InteropServices;
using System.Security.Principal;
using System.Security;
using System.Security.Permissions;
using System.Threading;
using System.Web.Configuration;
using System.Web.Util;
//
// Simple Worker Request provides a concrete implementation
// of HttpWorkerRequest that writes the respone to the user
// supplied writer.
//
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
[ComVisible(false)]
public class SimpleWorkerRequest : HttpWorkerRequest {
private bool _hasRuntimeInfo;
private String _appVirtPath; // "/foo"
private String _appPhysPath; // "c:\foo\"
private String _page;
private String _pathInfo;
private String _queryString;
private TextWriter _output;
private String _installDir;
private void ExtractPagePathInfo() {
int i = _page.IndexOf('/');
if (i >= 0) {
_pathInfo = _page.Substring(i);
_page = _page.Substring(0, i);
}
}
private String GetPathInternal(bool includePathInfo) {
String s = _appVirtPath.Equals("/") ? ("/" + _page) : (_appVirtPath + "/" + _page);
if (includePathInfo && _pathInfo != null)
return s + _pathInfo;
else
return s;
}
//
// HttpWorkerRequest implementation
//
// "/foo/page.aspx/tail"
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override String GetUriPath() {
return GetPathInternal(true);
}
// "param=bar"
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override String GetQueryString() {
return _queryString;
}
// "/foo/page.aspx/tail?param=bar"
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override String GetRawUrl() {
String qs = GetQueryString();
if (!String.IsNullOrEmpty(qs))
return GetPathInternal(true) + "?" + qs;
else
return GetPathInternal(true);
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override String GetHttpVerbName() {
return "GET";
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override String GetHttpVersion() {
return "HTTP/1.0";
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override String GetRemoteAddress() {
return "127.0.0.1";
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override int GetRemotePort() {
return 0;
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override String GetLocalAddress() {
return "127.0.0.1";
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override int GetLocalPort() {
return 80;
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override IntPtr GetUserToken() {
return IntPtr.Zero;
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override String GetFilePath() {
return GetPathInternal(false);
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override String GetFilePathTranslated() {
String path = _appPhysPath + _page.Replace('/', '\\');
InternalSecurityPermissions.PathDiscovery(path).Demand();
return path;
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override String GetPathInfo() {
return (_pathInfo != null) ? _pathInfo : String.Empty;
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override String GetAppPath() {
return _appVirtPath;
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override String GetAppPathTranslated() {
InternalSecurityPermissions.PathDiscovery(_appPhysPath).Demand();
return _appPhysPath;
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override String GetServerVariable(String name) {
return String.Empty;
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override String MapPath(String path) {
if (!_hasRuntimeInfo)
return null;
String mappedPath = null;
String appPath = _appPhysPath.Substring(0, _appPhysPath.Length-1); // without trailing "\"
if (String.IsNullOrEmpty(path) || path.Equals("/")) {
mappedPath = appPath;
}
if (StringUtil.StringStartsWith(path, _appVirtPath)) {
mappedPath = appPath + path.Substring(_appVirtPath.Length).Replace('/', '\\');
}
InternalSecurityPermissions.PathDiscovery(mappedPath).Demand();
return mappedPath;
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override string MachineConfigPath {
get {
if (_hasRuntimeInfo) {
string path = HttpConfigurationSystem.MachineConfigurationFilePath;
InternalSecurityPermissions.PathDiscovery(path).Demand();
return path;
}
else
return null;
}
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override string RootWebConfigPath {
get {
if (_hasRuntimeInfo) {
string path = HttpConfigurationSystem.RootWebConfigurationFilePath;
InternalSecurityPermissions.PathDiscovery(path).Demand();
return path;
}
else
return null;
}
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override String MachineInstallDirectory {
get {
if (_hasRuntimeInfo) {
InternalSecurityPermissions.PathDiscovery(_installDir).Demand();
return _installDir;
}
return null;
}
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override void SendStatus(int statusCode, String statusDescription) {
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override void SendKnownResponseHeader(int index, String value) {
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override void SendUnknownResponseHeader(String name, String value) {
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override void SendResponseFromMemory(byte[] data, int length) {
_output.Write(System.Text.Encoding.Default.GetChars(data, 0, length));
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override void SendResponseFromFile(String filename, long offset, long length) {
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override void SendResponseFromFile(IntPtr handle, long offset, long length) {
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override void FlushResponse(bool finalFlush) {
}
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public override void EndOfRequest() {
}
internal override void UpdateInitialCounters() {
PerfCounters.IncrementGlobalCounter(GlobalPerfCounter.REQUESTS_CURRENT);
PerfCounters.IncrementCounter(AppPerfCounter.REQUESTS_TOTAL);
}
//
// Internal support
//
internal override void UpdateResponseCounters(bool finalFlush, int bytesOut) {
// Integrated mode uses a fake simple worker request to initialize (Dev10 Bugs 466973)
if (HttpRuntime.UseIntegratedPipeline) {
return;
}
if (finalFlush) {
PerfCounters.DecrementGlobalCounter(GlobalPerfCounter.REQUESTS_CURRENT);
PerfCounters.DecrementCounter(AppPerfCounter.REQUESTS_EXECUTING);
}
if (bytesOut > 0) {
PerfCounters.IncrementCounterEx(AppPerfCounter.REQUEST_BYTES_OUT, bytesOut);
}
}
internal override void UpdateRequestCounters(int bytesIn) {
// Integrated mode uses a fake simple worker request to initialize (Dev10 Bugs 466973)
if (HttpRuntime.UseIntegratedPipeline) {
return;
}
if (bytesIn > 0) {
PerfCounters.IncrementCounterEx(AppPerfCounter.REQUEST_BYTES_IN, bytesIn);
}
}
//
// Ctors
//
private SimpleWorkerRequest() {
}
/*
* Ctor that gets application data from HttpRuntime, assuming
* HttpRuntime has been set up (app domain specially created, etc.)
*/
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public SimpleWorkerRequest(String page, String query, TextWriter output): this() {
_queryString = query;
_output = output;
_page = page;
ExtractPagePathInfo();
_appPhysPath = Thread.GetDomain().GetData(".appPath").ToString();
_appVirtPath = Thread.GetDomain().GetData(".appVPath").ToString();
_installDir = HttpRuntime.AspInstallDirectoryInternal;
_hasRuntimeInfo = true;
}
/*
* Ctor that gets application data as arguments,assuming HttpRuntime
* has not been set up.
*
* This allows for limited functionality to execute handlers.
*/
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public SimpleWorkerRequest(String appVirtualDir, String appPhysicalDir, String page, String query, TextWriter output): this() {
if (Thread.GetDomain().GetData(".appPath") != null) {
throw new HttpException(SR.GetString(SR.Wrong_SimpleWorkerRequest));
}
_appVirtPath = appVirtualDir;
_appPhysPath = appPhysicalDir;
_queryString = query;
_output = output;
_page = page;
ExtractPagePathInfo();
if (!StringUtil.StringEndsWith(_appPhysPath, '\\'))
_appPhysPath += "\\";
_hasRuntimeInfo = false;
}
}
}
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