Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / xsp / System / Web / HttpDebugHandler.cs / 1 / HttpDebugHandler.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
/*
* Handler for DEBUG verb
*
* Copyright (c) 2000 Microsoft Corporation
*/
namespace System.Web {
using System.Configuration;
using System.Globalization;
using System.IO;
using System.Runtime.InteropServices;
using System.Text;
using System.Web.Configuration;
using System.Web.Hosting;
using System.Web.Util;
/*
This is just a temporary code to get some timings for the Http Debug request. To enable it, add the following
to the app's "web.config" file:
*/
using System.Collections;
#if PERF
internal class HttpDebugHandlerTimeLog {
private static int initialTick = 0;
private static int isEnabled = -1;
private static StreamWriter writer = null;
private static FileStream fstream = null;
private HttpDebugHandlerTimeLog() {
}
private static bool IsEnabled {
get {
if (isEnabled == -1) {
// Else check to see if config settings enables it
Hashtable h = (Hashtable) WebConfigurationManager.GetWebApplicationSection("httpDebug");
if (h != null) {
string s = (string) h["enable"];
if ((s != null) && (s == "1")) {
// Open file handle if needed
try {
string filename = (string) h["path"];
if (filename != null) {
fstream = new FileStream(filename, FileMode.Create, FileAccess.ReadWrite, FileShare.Read);
writer = new StreamWriter(fstream);
isEnabled = 1;
}
}
catch {
isEnabled = 0;
Close();
}
}
}
// If still undecided here, then it's off
if (isEnabled == -1) {
isEnabled = 0;
}
}
return (isEnabled == 1) ? true : false;
}
}
internal static void Close() {
if (writer != null) {
writer.Flush();
writer.Close();
writer = null;
}
if (fstream != null) {
fstream.Close();
fstream = null;
}
}
internal static void PrintTickDelta(string s) {
if (! IsEnabled) {
return;
}
if (initialTick == 0) {
initialTick = Environment.TickCount;
SafeNativeMethods.OutputDebugString(s + " : " + initialTick + " (HttpDebugHandler + 0)\n");
if (writer != null) {
writer.WriteLine(s + " : " + initialTick + " (HttpDebugHandler + 0)");
}
}
else {
int curTick = Environment.TickCount;
SafeNativeMethods.OutputDebugString(s + " : " + curTick + " (HttpDebugHandler + " + (curTick - initialTick) + ")\n");
if (writer != null) {
writer.WriteLine(s + " : " + curTick + " (HttpDebugHandler + " + (curTick - initialTick) + ")");
}
}
}
}
#endif
///
/// Handler for debugging operations.
///
internal class HttpDebugHandler : IHttpHandler {
private static string[] validClsIds = {"{70f65411-fe8c-4248-bcff-701c8b2f4529}",
"{62a78ac2-7d9a-4377-b97e-6965919fdd02}",
"{cc23651f-4574-438f-b4aa-bcb28b6b3ecf}",
"{dbfdb1d0-04a4-4315-b15c-f874f6b6e90b}",
"{a4fcb474-2687-4924-b0ad-7caf331db826}",
"{beb261f6-d5f0-43ba-baf4-8b79785fffaf}",
"{8e2f5e28-d4e2-44c0-aa02-f8c5beb70cac}",
"{08100915-0f41-4ccf-9564-ebaa5d49446c}"};
internal HttpDebugHandler () {
}
///
/// Drives web processing execution.
///
public void ProcessRequest(HttpContext context) {
// Debugging must be enabled
try {
#if PERF
HttpDebugHandlerTimeLog.PrintTickDelta("Entered HttpDebugHandler");
#endif
if (!HttpRuntime.DebuggingEnabled) {
context.Response.Write(SR.GetString(SR.Debugging_forbidden, context.Request.Path));
context.Response.StatusCode = 403;
return;
}
// Check to see if it's a valid debug command.
string command = context.Request.Headers["Command"];
if (command == null) {
Debug.Trace("AutoAttach", "No debug command!!");
context.Response.Write(SR.GetString(SR.Invalid_Debug_Request));
context.Response.StatusCode = 500;
return;
}
Debug.Trace("AutoAttach", "Debug command: " + command);
if (StringUtil.EqualsIgnoreCase(command, "stop-debug")) {
context.Response.Write("OK");
return;
}
if (!StringUtil.EqualsIgnoreCase(command, "start-debug")) {
context.Response.Write(SR.GetString(SR.Invalid_Debug_Request));
context.Response.StatusCode = 500;
return;
}
// Request must be NTLM authenticated
string authType = context.WorkerRequest.GetServerVariable("AUTH_TYPE"); // go the metal
string logonUser = context.WorkerRequest.GetServerVariable("LOGON_USER");
Debug.Trace("AutoAttach", "Authentication type string: " + ((authType != null) ? authType : "NULL"));
Debug.Trace("AutoAttach", "Logon user string: " + ((logonUser != null) ? logonUser : "NULL"));
if (String.IsNullOrEmpty(logonUser) || String.IsNullOrEmpty(authType) || StringUtil.EqualsIgnoreCase(authType, "basic"))
{
Debug.Trace("AutoAttach", "Invalid logon_user or auth_type string.");
context.Response.Write(SR.GetString(SR.Debug_Access_Denied, context.Request.Path));
context.Response.StatusCode = 401;
return;
}
// Get the session ID
String sessId = context.Request.Form["DebugSessionID"];
Debug.Trace("AutoAttach", "DebugSessionID: " + ((sessId != null) ? sessId : "NULL"));
if (String.IsNullOrEmpty(sessId)) {
context.Response.Write(SR.GetString(SR.Invalid_Debug_ID));
context.Response.StatusCode = 500;
return;
}
string s = sessId.Replace(';', '&');
HttpValueCollection valCol = new HttpValueCollection(s, true, true, Encoding.UTF8);
string clsId = (string) valCol["autoattachclsid"];
// Verify clsId
bool isClsIdOk = false;
if (clsId != null) {
for (int i = 0; i < validClsIds.Length; i++) {
if (StringUtil.EqualsIgnoreCase(clsId, validClsIds[i])) {
isClsIdOk = true;
break;
}
}
}
if (isClsIdOk == false) {
context.Response.Write(SR.GetString(SR.Debug_Access_Denied, context.Request.Path));
context.Response.StatusCode = 401;
Debug.Trace("AutoAttach", "Debug attach not attempted because of invalid CLSID.");
return;
}
// Attach the debugger
#if PERF
HttpDebugHandlerTimeLog.PrintTickDelta("About to call into MDM");
#endif
int rc = UnsafeNativeMethods.AttachDebugger(clsId, sessId, context.WorkerRequest.GetUserToken());
#if PERF
HttpDebugHandlerTimeLog.PrintTickDelta("Returned from call to MDM");
#endif
// If it's not S_OK, then we got a problem
if (rc != 0) {
Debug.Trace("AutoAttach", "Debug attach failed! Return code: " + rc);
context.Response.Write(SR.GetString(SR.Error_Attaching_with_MDM, "0x" + rc.ToString("X8", CultureInfo.InvariantCulture)));
context.Response.StatusCode = 500;
return;
}
Debug.Trace("AutoAttach", "Debug attach successful!");
// Everything ok -- increment counter, return something (not 204)
PerfCounters.IncrementCounter(AppPerfCounter.DEBUGGING_REQUESTS);
context.Response.Write("OK");
}
finally {
Debug.Trace("AutoAttach","Http Debug attach done!");
#if PERF
HttpDebugHandlerTimeLog.PrintTickDelta("Leaving HttpDebugHandler");
HttpDebugHandlerTimeLog.Close();
#endif
}
}
///
/// Indicates whether an HttpDebugHandler instance can be recycled and used for
/// another request.
///
public bool IsReusable {
get { return true; }
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
/*
* Handler for DEBUG verb
*
* Copyright (c) 2000 Microsoft Corporation
*/
namespace System.Web {
using System.Configuration;
using System.Globalization;
using System.IO;
using System.Runtime.InteropServices;
using System.Text;
using System.Web.Configuration;
using System.Web.Hosting;
using System.Web.Util;
/*
This is just a temporary code to get some timings for the Http Debug request. To enable it, add the following
to the app's "web.config" file:
*/
using System.Collections;
#if PERF
internal class HttpDebugHandlerTimeLog {
private static int initialTick = 0;
private static int isEnabled = -1;
private static StreamWriter writer = null;
private static FileStream fstream = null;
private HttpDebugHandlerTimeLog() {
}
private static bool IsEnabled {
get {
if (isEnabled == -1) {
// Else check to see if config settings enables it
Hashtable h = (Hashtable) WebConfigurationManager.GetWebApplicationSection("httpDebug");
if (h != null) {
string s = (string) h["enable"];
if ((s != null) && (s == "1")) {
// Open file handle if needed
try {
string filename = (string) h["path"];
if (filename != null) {
fstream = new FileStream(filename, FileMode.Create, FileAccess.ReadWrite, FileShare.Read);
writer = new StreamWriter(fstream);
isEnabled = 1;
}
}
catch {
isEnabled = 0;
Close();
}
}
}
// If still undecided here, then it's off
if (isEnabled == -1) {
isEnabled = 0;
}
}
return (isEnabled == 1) ? true : false;
}
}
internal static void Close() {
if (writer != null) {
writer.Flush();
writer.Close();
writer = null;
}
if (fstream != null) {
fstream.Close();
fstream = null;
}
}
internal static void PrintTickDelta(string s) {
if (! IsEnabled) {
return;
}
if (initialTick == 0) {
initialTick = Environment.TickCount;
SafeNativeMethods.OutputDebugString(s + " : " + initialTick + " (HttpDebugHandler + 0)\n");
if (writer != null) {
writer.WriteLine(s + " : " + initialTick + " (HttpDebugHandler + 0)");
}
}
else {
int curTick = Environment.TickCount;
SafeNativeMethods.OutputDebugString(s + " : " + curTick + " (HttpDebugHandler + " + (curTick - initialTick) + ")\n");
if (writer != null) {
writer.WriteLine(s + " : " + curTick + " (HttpDebugHandler + " + (curTick - initialTick) + ")");
}
}
}
}
#endif
///
/// Handler for debugging operations.
///
internal class HttpDebugHandler : IHttpHandler {
private static string[] validClsIds = {"{70f65411-fe8c-4248-bcff-701c8b2f4529}",
"{62a78ac2-7d9a-4377-b97e-6965919fdd02}",
"{cc23651f-4574-438f-b4aa-bcb28b6b3ecf}",
"{dbfdb1d0-04a4-4315-b15c-f874f6b6e90b}",
"{a4fcb474-2687-4924-b0ad-7caf331db826}",
"{beb261f6-d5f0-43ba-baf4-8b79785fffaf}",
"{8e2f5e28-d4e2-44c0-aa02-f8c5beb70cac}",
"{08100915-0f41-4ccf-9564-ebaa5d49446c}"};
internal HttpDebugHandler () {
}
///
/// Drives web processing execution.
///
public void ProcessRequest(HttpContext context) {
// Debugging must be enabled
try {
#if PERF
HttpDebugHandlerTimeLog.PrintTickDelta("Entered HttpDebugHandler");
#endif
if (!HttpRuntime.DebuggingEnabled) {
context.Response.Write(SR.GetString(SR.Debugging_forbidden, context.Request.Path));
context.Response.StatusCode = 403;
return;
}
// Check to see if it's a valid debug command.
string command = context.Request.Headers["Command"];
if (command == null) {
Debug.Trace("AutoAttach", "No debug command!!");
context.Response.Write(SR.GetString(SR.Invalid_Debug_Request));
context.Response.StatusCode = 500;
return;
}
Debug.Trace("AutoAttach", "Debug command: " + command);
if (StringUtil.EqualsIgnoreCase(command, "stop-debug")) {
context.Response.Write("OK");
return;
}
if (!StringUtil.EqualsIgnoreCase(command, "start-debug")) {
context.Response.Write(SR.GetString(SR.Invalid_Debug_Request));
context.Response.StatusCode = 500;
return;
}
// Request must be NTLM authenticated
string authType = context.WorkerRequest.GetServerVariable("AUTH_TYPE"); // go the metal
string logonUser = context.WorkerRequest.GetServerVariable("LOGON_USER");
Debug.Trace("AutoAttach", "Authentication type string: " + ((authType != null) ? authType : "NULL"));
Debug.Trace("AutoAttach", "Logon user string: " + ((logonUser != null) ? logonUser : "NULL"));
if (String.IsNullOrEmpty(logonUser) || String.IsNullOrEmpty(authType) || StringUtil.EqualsIgnoreCase(authType, "basic"))
{
Debug.Trace("AutoAttach", "Invalid logon_user or auth_type string.");
context.Response.Write(SR.GetString(SR.Debug_Access_Denied, context.Request.Path));
context.Response.StatusCode = 401;
return;
}
// Get the session ID
String sessId = context.Request.Form["DebugSessionID"];
Debug.Trace("AutoAttach", "DebugSessionID: " + ((sessId != null) ? sessId : "NULL"));
if (String.IsNullOrEmpty(sessId)) {
context.Response.Write(SR.GetString(SR.Invalid_Debug_ID));
context.Response.StatusCode = 500;
return;
}
string s = sessId.Replace(';', '&');
HttpValueCollection valCol = new HttpValueCollection(s, true, true, Encoding.UTF8);
string clsId = (string) valCol["autoattachclsid"];
// Verify clsId
bool isClsIdOk = false;
if (clsId != null) {
for (int i = 0; i < validClsIds.Length; i++) {
if (StringUtil.EqualsIgnoreCase(clsId, validClsIds[i])) {
isClsIdOk = true;
break;
}
}
}
if (isClsIdOk == false) {
context.Response.Write(SR.GetString(SR.Debug_Access_Denied, context.Request.Path));
context.Response.StatusCode = 401;
Debug.Trace("AutoAttach", "Debug attach not attempted because of invalid CLSID.");
return;
}
// Attach the debugger
#if PERF
HttpDebugHandlerTimeLog.PrintTickDelta("About to call into MDM");
#endif
int rc = UnsafeNativeMethods.AttachDebugger(clsId, sessId, context.WorkerRequest.GetUserToken());
#if PERF
HttpDebugHandlerTimeLog.PrintTickDelta("Returned from call to MDM");
#endif
// If it's not S_OK, then we got a problem
if (rc != 0) {
Debug.Trace("AutoAttach", "Debug attach failed! Return code: " + rc);
context.Response.Write(SR.GetString(SR.Error_Attaching_with_MDM, "0x" + rc.ToString("X8", CultureInfo.InvariantCulture)));
context.Response.StatusCode = 500;
return;
}
Debug.Trace("AutoAttach", "Debug attach successful!");
// Everything ok -- increment counter, return something (not 204)
PerfCounters.IncrementCounter(AppPerfCounter.DEBUGGING_REQUESTS);
context.Response.Write("OK");
}
finally {
Debug.Trace("AutoAttach","Http Debug attach done!");
#if PERF
HttpDebugHandlerTimeLog.PrintTickDelta("Leaving HttpDebugHandler");
HttpDebugHandlerTimeLog.Close();
#endif
}
}
///
/// Indicates whether an HttpDebugHandler instance can be recycled and used for
/// another request.
///
public bool IsReusable {
get { return true; }
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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