Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Net / System / Net / HttpListenerContext.cs / 1 / HttpListenerContext.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Net { using System.Security.Principal; using System.Security.Permissions; public sealed unsafe class HttpListenerContext /* BaseHttpContext, */ { private HttpListener m_Listener; private HttpListenerRequest m_Request; private HttpListenerResponse m_Response; private IPrincipal m_User; private string m_MutualAuthentication; private bool m_PromoteCookiesToRfc2965; internal const string NTLM = "NTLM"; internal HttpListenerContext(HttpListener httpListener, RequestContextBase memoryBlob) { if (Logging.On) Logging.PrintInfo(Logging.HttpListener, this, ".ctor", "httpListener#" + ValidationHelper.HashString(httpListener) + " requestBlob=" + ValidationHelper.HashString((IntPtr) memoryBlob.RequestBlob)); m_Listener = httpListener; m_Request = new HttpListenerRequest(this, memoryBlob); GlobalLog.Print("HttpListenerContext#" + ValidationHelper.HashString(this) + "::.ctor() HttpListener#" + ValidationHelper.HashString(m_Listener) + " HttpListenerRequest#" + ValidationHelper.HashString(m_Request)); } // Call this right after construction, and only once! Not after it's been handed to a user. internal void SetIdentity(IPrincipal principal, string mutualAuthentication) { m_MutualAuthentication = mutualAuthentication; m_User = principal; GlobalLog.Print("HttpListenerContext#" + ValidationHelper.HashString(this) + "::SetIdentity() mutual:" + (mutualAuthentication == null ? "" : mutualAuthentication) + " Principal#" + ValidationHelper.HashString(principal)); } public /* new */ HttpListenerRequest Request { get { return m_Request; } } public /* new */ HttpListenerResponse Response { get { if(Logging.On)Logging.Enter(Logging.HttpListener, this, "Response", ""); if (m_Response==null) { m_Response = new HttpListenerResponse(this); GlobalLog.Print("HttpListenerContext#" + ValidationHelper.HashString(this) + "::.Response_get() HttpListener#" + ValidationHelper.HashString(m_Listener) + " HttpListenerRequest#" + ValidationHelper.HashString(m_Request) + " HttpListenerResponse#" + ValidationHelper.HashString(m_Response)); } if(Logging.On)Logging.Exit(Logging.HttpListener, this, "Response", ""); return m_Response; } } /* protected override BaseHttpRequest GetRequest() { return Request; } protected override BaseHttpResponse GetResponse() { return Response; } */ // Requires ControlPrincipal permission if the request was authenticated with Negotiate, NTLM, or Digest. // IsAuthenticated depends on the demand here, so if it is changed (like to a LinkDemand) make sure IsAuthenticated is ok. public /* override */ IPrincipal User { get { if (m_User as WindowsPrincipal == null) { return m_User; } new SecurityPermission(SecurityPermissionFlag.ControlPrincipal).Demand(); return m_User; } } // < internal bool PromoteCookiesToRfc2965 { get { return m_PromoteCookiesToRfc2965; } } internal string MutualAuthentication { get { return m_MutualAuthentication; } } internal HttpListener Listener { get { return m_Listener; } } internal SafeCloseHandle RequestQueueHandle { get { return m_Listener.RequestQueueHandle; } } internal void EnsureBoundHandle() { m_Listener.EnsureBoundHandle(); } internal ulong RequestId { get { return Request.RequestId; } } internal void Close() { if(Logging.On)Logging.Enter(Logging.HttpListener, this, "Close()", ""); try { if (m_Response!=null) { m_Response.Close(); } } finally { try { m_Request.Close(); } finally { IDisposable user = m_User == null ? null : m_User.Identity as IDisposable; // For unsafe connection ntlm auth we dont dispose this identity as yet since its cached if ((user != null) && (m_User.Identity.AuthenticationType != NTLM) && (!m_Listener.UnsafeConnectionNtlmAuthentication)) { user.Dispose(); } } } if(Logging.On)Logging.Exit(Logging.HttpListener, this, "Close", ""); } internal void Abort() { if(Logging.On)Logging.Enter(Logging.HttpListener, this, "Abort", ""); HttpListenerContext.CancelRequest(RequestQueueHandle, m_Request.RequestId); try { m_Request.Close(); } finally { IDisposable user = m_User == null ? null : m_User.Identity as IDisposable; if (user != null) { user.Dispose(); } } if(Logging.On)Logging.Exit(Logging.HttpListener, this, "Abort", ""); } internal UnsafeNclNativeMethods.HttpApi.HTTP_VERB GetKnownMethod() { GlobalLog.Print("HttpListenerContext::GetKnownMethod()"); return UnsafeNclNativeMethods.HttpApi.GetKnownVerb(Request.RequestBuffer, Request.OriginalBlobAddress); } internal unsafe static void CancelRequest(SafeCloseHandle requestQueueHandle, ulong requestId) { GlobalLog.Print("HttpListenerContext::CancelRequest() requestQueueHandle:" + requestQueueHandle + " requestId:" + requestId); UnsafeNclNativeMethods.HttpApi.HTTP_DATA_CHUNK httpNoData = new UnsafeNclNativeMethods.HttpApi.HTTP_DATA_CHUNK(); httpNoData.DataChunkType = UnsafeNclNativeMethods.HttpApi.HTTP_DATA_CHUNK_TYPE.HttpDataChunkFromMemory; // Give it a valid buffer pointer even though it's to nothing. httpNoData.pBuffer = (byte*)&httpNoData; uint statusCode = UnsafeNclNativeMethods.HttpApi.HttpSendResponseEntityBody( requestQueueHandle, requestId, (uint) UnsafeNclNativeMethods.HttpApi.HTTP_FLAGS.HTTP_SEND_RESPONSE_FLAG_DISCONNECT, 1, &httpNoData, null, SafeLocalFree.Zero, 0, null, null); GlobalLog.Print("HttpListenerContext::CancelRequest() call to UnsafeNclNativeMethods.HttpApi.HttpSendResponseEntityBody returned:" + statusCode); } } }
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