/// <include file='doc\HttpDebugHandler.uex' path='docs/doc[@for="HttpDebugHandler.ProcessRequest"]/*' />
/// <devdoc>
/// <para>Drives web processing execution.</para>
/// </devdoc>
public void ProcessRequest(HttpContext context)
{
// Debugging must be enabled
try {
HttpDebugHandlerTimeLog.PrintTickDelta("Entered HttpDebugHandler");
if (!HttpRuntime.DebuggingEnabled)
{
context.Response.Write(HttpRuntime.FormatResourceString(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(HttpRuntime.FormatResourceString(SR.Invalid_Debug_Request));
context.Response.StatusCode = 500;
return;
}
Debug.Trace("AutoAttach", "Debug command: " + command);
if (string.Compare(command, "stop-debug", true, CultureInfo.InvariantCulture) == 0)
{
context.Response.Write("OK");
return;
}
if (string.Compare(command, "start-debug", true, CultureInfo.InvariantCulture) != 0)
{
context.Response.Write(HttpRuntime.FormatResourceString(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 : "******"));
if (logonUser == null || logonUser.Length == 0 || authType == null || authType.Length == 0 || String.Compare(authType, "basic", true, CultureInfo.InvariantCulture) == 0)
{
Debug.Trace("AutoAttach", "Invalid logon_user or auth_type string.");
context.Response.Write(HttpRuntime.FormatResourceString(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 (sessId == null || sessId.Length == 0)
{
context.Response.Write(HttpRuntime.FormatResourceString(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 (clsId.ToLower(System.Globalization.CultureInfo.InvariantCulture) == validClsIds[i])
{
isClsIdOk = true;
break;
}
}
}
if (isClsIdOk == false)
{
context.Response.Write(HttpRuntime.FormatResourceString(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
HttpDebugHandlerTimeLog.PrintTickDelta("About to call into MDM");
int rc = UnsafeNativeMethods.AttachDebugger(clsId, sessId, context.WorkerRequest.GetUserToken());
HttpDebugHandlerTimeLog.PrintTickDelta("Returned from call to MDM");
// 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(HttpRuntime.FormatResourceString(SR.Error_Attaching_with_MDM, "0x" + rc.ToString("X8")));
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");
// Set global flag for us
HttpRuntime.VSDebugAttach = true;
}
finally {
Debug.Trace("AutoAttach", "Http Debug attach done!");
HttpDebugHandlerTimeLog.PrintTickDelta("Leaving HttpDebugHandler");
HttpDebugHandlerTimeLog.Close();
}
}
public void ProcessRequest(HttpContext context)
{
if (!HttpRuntime.DebuggingEnabled)
{
context.Response.Write(System.Web.SR.GetString("Debugging_forbidden", new object[] { context.Request.Path }));
context.Response.StatusCode = 0x193;
}
else
{
string str = context.Request.Headers["Command"];
if (str == null)
{
context.Response.Write(System.Web.SR.GetString("Invalid_Debug_Request"));
context.Response.StatusCode = 500;
}
else if (StringUtil.EqualsIgnoreCase(str, "stop-debug"))
{
context.Response.Write("OK");
}
else if (!StringUtil.EqualsIgnoreCase(str, "start-debug"))
{
context.Response.Write(System.Web.SR.GetString("Invalid_Debug_Request"));
context.Response.StatusCode = 500;
}
else
{
string serverVariable = context.WorkerRequest.GetServerVariable("AUTH_TYPE");
if ((string.IsNullOrEmpty(context.WorkerRequest.GetServerVariable("LOGON_USER")) || string.IsNullOrEmpty(serverVariable)) || StringUtil.EqualsIgnoreCase(serverVariable, "basic"))
{
context.Response.Write(System.Web.SR.GetString("Debug_Access_Denied", new object[] { context.Request.Path }));
context.Response.StatusCode = 0x191;
}
else
{
string str4 = context.Request.Form["DebugSessionID"];
if (string.IsNullOrEmpty(str4))
{
context.Response.Write(System.Web.SR.GetString("Invalid_Debug_ID"));
context.Response.StatusCode = 500;
}
else
{
HttpValueCollection values = new HttpValueCollection(str4.Replace(';', '&'), true, true, Encoding.UTF8);
string str6 = values["autoattachclsid"];
bool flag = false;
if (str6 != null)
{
for (int i = 0; i < validClsIds.Length; i++)
{
if (StringUtil.EqualsIgnoreCase(str6, validClsIds[i]))
{
flag = true;
break;
}
}
}
if (!flag)
{
context.Response.Write(System.Web.SR.GetString("Debug_Access_Denied", new object[] { context.Request.Path }));
context.Response.StatusCode = 0x191;
}
else
{
int num2 = UnsafeNativeMethods.AttachDebugger(str6, str4, context.WorkerRequest.GetUserToken());
if (num2 != 0)
{
context.Response.Write(System.Web.SR.GetString("Error_Attaching_with_MDM", new object[] { "0x" + num2.ToString("X8", CultureInfo.InvariantCulture) }));
context.Response.StatusCode = 500;
}
else
{
PerfCounters.IncrementCounter(AppPerfCounter.DEBUGGING_REQUESTS);
context.Response.Write("OK");
}
}
}
}
}
}
}