public static partial bool WinHttpQueryHeaders(
SafeWinHttpHandle requestHandle,
uint infoLevel,
string name,
ref uint number,
ref uint bufferLength,
IntPtr index);
public static extern bool WinHttpAddRequestHeaders(
SafeWinHttpHandle requestHandle,
#pragma warning disable CA1838 // Uses pooled StringBuilder
[In] StringBuilder headers,
#pragma warning restore CA1838
uint headersLength,
uint modifiers);
public static partial bool WinHttpSetCredentials(
SafeWinHttpHandle requestHandle,
uint authTargets,
uint authScheme,
string? userName,
string? password,
IntPtr reserved);
public static extern bool WinHttpQueryHeaders(
SafeWinHttpHandle requestHandle,
uint infoLevel,
string name,
[Out] StringBuilder buffer,
ref uint bufferLength,
ref uint index);
public static extern bool WinHttpSendRequest(
SafeWinHttpHandle requestHandle,
[In] StringBuilder headers,
uint headersLength,
IntPtr optional,
uint optionalLength,
uint totalLength,
IntPtr context);
public static void DisposeAndClearHandle(ref SafeWinHttpHandle handle)
{
if (handle != null)
{
handle.Dispose();
handle = null;
}
}
public static extern SafeWinHttpHandle WinHttpOpenRequest(
SafeWinHttpHandle connectHandle,
string verb,
string objectName,
string version,
string referrer,
string acceptTypes,
uint flags);
public static void DisposeAndClearHandle(ref SafeWinHttpHandle safeHandle)
{
if (safeHandle != null)
{
safeHandle.Dispose();
safeHandle = null;
}
}
public static extern bool WinHttpQueryHeaders(
#endif
SafeWinHttpHandle requestHandle,
uint infoLevel,
string name,
IntPtr buffer,
ref uint bufferLength,
ref uint index);
public static void DisposeAndClearHandle(ref SafeWinHttpHandle winHttpHandler)
{
if (winHttpHandler != null)
{
winHttpHandler.Dispose();
winHttpHandler = null;
}
}
public static partial bool WinHttpSendRequest(
SafeWinHttpHandle requestHandle,
IntPtr headers,
uint headersLength,
IntPtr optional,
uint optionalLength,
uint totalLength,
IntPtr context);
public static extern SafeWinHttpHandleWithCallback WinHttpOpenRequestWithCallback(
SafeWinHttpHandle connectHandle,
string verb,
string objectName,
string version,
string referrer,
string acceptTypes,
uint flags);
public static extern bool WinHttpSendRequest(
SafeWinHttpHandle requestHandle,
[In] StringBuilder headers,
uint headersLength,
IntPtr optional,
uint optionalLength,
uint totalLength,
IntPtr context);
public static void DisposeAndClearHandle(ref SafeWinHttpHandle handle)
{
if (handle != null)
{
handle.Dispose();
handle = null;
}
}
public static void DisposeAndClearHandle(ref SafeWinHttpHandle safeHandle)
{
if (safeHandle != null)
{
safeHandle.Dispose();
safeHandle = null;
}
}
// Important: WinHttp API calls should not happen while another WinHttp call for the same handle did not
// return. During finalization that was not initiated by the Dispose pattern we don't expect any other WinHttp
// calls in progress.
protected override bool ReleaseHandle()
{
if (_parentHandle != null)
{
_parentHandle.DangerousRelease();
_parentHandle = null;
}
return(Interop.WinHttp.WinHttpCloseHandle(handle));
}
// Important: WinHttp API calls should not happen while another WinHttp call for the same handle did not
// return. During finalization that was not initiated by the Dispose pattern we don't expect any other WinHttp
// calls in progress.
protected override bool ReleaseHandle()
{
if (_parentHandle != null)
{
_parentHandle.DangerousRelease();
_parentHandle = null;
}
// TODO(Issue 2500): Add logging so we know when the handle gets closed.
return(Interop.WinHttp.WinHttpCloseHandle(handle));
}
// Important: WinHttp API calls should not happen while another WinHttp call for the same handle did not
// return. During finalization that was not initiated by the Dispose pattern we don't expect any other WinHttp
// calls in progress.
protected override bool ReleaseHandle()
{
if (_parentHandle != null)
{
_parentHandle.DangerousRelease();
_parentHandle = null;
}
// TODO(Issue 2500): Add logging so we know when the handle gets closed.
return Interop.WinHttp.WinHttpCloseHandle(handle);
}
public void SetParentHandle(SafeWinHttpHandle parentHandle)
{
Debug.Assert(_parentHandle == null);
Debug.Assert(parentHandle != null);
Debug.Assert(!parentHandle.IsInvalid);
bool ignore = false;
parentHandle.DangerousAddRef(ref ignore);
_parentHandle = parentHandle;
}
public void SetParentHandle(SafeWinHttpHandle parentHandle)
{
Debug.Assert(_parentHandle == null);
Debug.Assert(parentHandle != null);
Debug.Assert(!parentHandle.IsInvalid);
bool ignore = false;
parentHandle.DangerousAddRef(ref ignore);
_parentHandle = parentHandle;
}
private uint CalculateHeaderBufferSize(SafeWinHttpHandle hRequest)
{
uint bufferLengthInBytes = 0;
uint index = 0;
if (!WinHttpQueryHeaders(
hRequest,
WINHTTP_QUERY_RAW_HEADERS_CRLF,
WINHTTP_HEADER_NAME_BY_INDEX,
IntPtr.Zero,
ref bufferLengthInBytes,
ref index) && Marshal.GetLastWin32Error() == ERROR_INSUFFICIENT_BUFFER)
{
return(bufferLengthInBytes);
}
return(0);
}
private string GetHeaders(SafeWinHttpHandle hRequest, uint bufferLengthInBytes)
{
uint index = 0;
var pBuf = Marshal.AllocHGlobal((int)bufferLengthInBytes);
if (!WinHttpQueryHeaders(
hRequest,
WINHTTP_QUERY_RAW_HEADERS_CRLF,
WINHTTP_HEADER_NAME_BY_INDEX,
pBuf,
ref bufferLengthInBytes,
ref index))
{
throw new IOException("Unable to read headers: " + Marshal.GetLastWin32Error());
}
Log.Debug("Header len after read: " + bufferLengthInBytes);
var header = Marshal.PtrToStringAuto(pBuf);
Marshal.FreeHGlobal(pBuf);
return(header);
}
public WinHttpSession(
Uri responseUri,
SafeWinHttpHandle hConnect,
SafeWinHttpHandle hRequest,
Dictionary <string, List <string> >?headers,
Dictionary <string, string>?cookies,
byte[]?postData = null)
{
this.responseUri = responseUri;
this.hConnect = hConnect;
this.hRequest = hRequest;
this.callback = new(WinHttpCallback);
IntPtr oldCallback = WinHttpSetStatusCallback(
hRequest,
this.callback,
WINHTTP_CALLBACK_FLAG_REDIRECT,
IntPtr.Zero);
if (oldCallback == new IntPtr(WINHTTP_INVALID_STATUS_CALLBACK))
{
int lastError = Marshal.GetLastWin32Error();
if (lastError != ERROR_INVALID_HANDLE) // Ignore error if handle was already closed.
{
throw new IOException(nameof(WinHttpSetStatusCallback));
}
}
this.headers = headers;
this.cookies = cookies;
if (postData != null && postData.Length > 0)
{
this.postData = Marshal.AllocHGlobal(postData.Length);
Marshal.Copy(postData, 0, this.postData.Value, postData.Length);
this.postDataSize = postData.Length;
}
this.responseStream = new WinHttpResponseStream(this.hRequest);
}
public static extern SafeWinHttpHandleWithCallback WinHttpConnectWithCallback(
SafeWinHttpHandle sessionHandle,
string serverName,
ushort serverPort,
uint reserved);
public static extern bool WinHttpQueryOption(
SafeWinHttpHandle handle,
uint option,
IntPtr buffer,
ref uint bufferSize);
public static extern uint WinHttpWebSocketClose(
SafeWinHttpHandle webSocketHandle,
ushort status,
IntPtr reason,
uint reasonLength);
public static extern uint WinHttpWebSocketQueryCloseStatus(
SafeWinHttpHandle webSocketHandle,
out ushort status,
byte[] reason,
uint reasonLength,
out uint reasonLengthConsumed);
public static extern bool WinHttpSetOption(
SafeWinHttpHandle handle,
uint option,
IntPtr optionData,
uint optionLength);
public static extern uint WinHttpWebSocketShutdown(
SafeWinHttpHandle webSocketHandle,
ushort status,
byte[] reason,
uint reasonLength);
public static extern bool WinHttpWriteData(
SafeWinHttpHandle requestHandle,
IntPtr buffer,
uint bufferSize,
IntPtr parameterIgnoredAndShouldBeNullForAsync);
public static extern bool WinHttpReceiveResponse(
SafeWinHttpHandle requestHandle,
IntPtr reserved);
public static extern bool WinHttpReadData(
SafeWinHttpHandle requestHandle,
IntPtr buffer,
uint bufferSize,
out uint bytesRead);
public static extern bool WinHttpQueryDataAvailable(
SafeWinHttpHandle requestHandle,
IntPtr parameterIgnoredAndShouldBeNullForAsync);
public static extern bool WinHttpQueryHeaders(
SafeWinHttpHandle requestHandle,
uint infoLevel,
string name,
[Out] StringBuilder buffer,
ref uint bufferLength,
ref uint index);
public static extern IntPtr WinHttpSetStatusCallback(
SafeWinHttpHandle handle,
WINHTTP_STATUS_CALLBACK callback,
uint notificationFlags,
IntPtr reserved);
public static extern bool WinHttpSetTimeouts(
SafeWinHttpHandle handle,
int resolveTimeout,
int connectTimeout,
int sendTimeout,
int receiveTimeout);
public static extern bool WinHttpAddRequestHeaders(
SafeWinHttpHandle requestHandle,
string headers,
uint headersLength,
uint modifiers);
public static extern bool WinHttpWriteData(
SafeWinHttpHandle requestHandle,
IntPtr buffer,
uint bufferSize,
out uint bytesWritten);
public static extern bool WinHttpQueryDataAvailable(
SafeWinHttpHandle requestHandle,
out uint bytesAvailable);
public static extern bool WinHttpQueryOption(
SafeWinHttpHandle handle,
uint option,
[Out] StringBuilder buffer,
ref uint bufferSize);
public static extern bool WinHttpQueryDataAvailable(
SafeWinHttpHandle requestHandle,
out uint bytesAvailable);
public static extern bool WinHttpQueryOption(
SafeWinHttpHandle handle,
uint option,
ref uint buffer,
ref uint bufferSize);
public static extern uint WinHttpWebSocketSend(
SafeWinHttpHandle webSocketHandle,
WINHTTP_WEB_SOCKET_BUFFER_TYPE bufferType,
IntPtr buffer,
uint bufferLength);
public static extern uint WinHttpWebSocketReceive(
SafeWinHttpHandle webSocketHandle,
IntPtr buffer,
uint bufferLength,
out uint bytesRead,
out WINHTTP_WEB_SOCKET_BUFFER_TYPE bufferType);
public static extern bool WinHttpSetOption(
SafeWinHttpHandle handle,
uint option,
ref uint optionData,
uint optionLength = sizeof(uint));
public static extern bool WinHttpQueryHeaders(
SafeWinHttpHandle requestHandle,
uint infoLevel,
string name,
ref uint number,
ref uint bufferLength,
IntPtr index);
public static extern bool WinHttpSetOption(
SafeWinHttpHandle handle,
uint option,
ref uint optionData,
uint optionLength = sizeof(uint));
public static extern bool WinHttpSetOption(
SafeWinHttpHandle handle,
uint option,
IntPtr optionData,
uint optionLength);
public static extern bool WinHttpQueryAuthSchemes(
SafeWinHttpHandle requestHandle,
out uint supportedSchemes,
out uint firstScheme,
out uint authTarget);
public static extern bool WinHttpSetCredentials(
SafeWinHttpHandle requestHandle,
uint authTargets,
uint authScheme,
string userName,
string password,
IntPtr reserved);
public static extern bool WinHttpGetProxyForUrl(
SafeWinHttpHandle sessionHandle, string url,
ref WINHTTP_AUTOPROXY_OPTIONS autoProxyOptions,
out WINHTTP_PROXY_INFO proxyInfo);
public static extern bool WinHttpQueryAuthSchemes(
SafeWinHttpHandle requestHandle,
out uint supportedSchemes,
out uint firstScheme,
out uint authTarget);
public static extern SafeWinHttpHandle WinHttpConnect(
SafeWinHttpHandle sessionHandle,
string serverName,
ushort serverPort,
uint reserved);
public static extern bool WinHttpSetTimeouts(
SafeWinHttpHandle handle,
int resolveTimeout,
int connectTimeout,
int sendTimeout,
int receiveTimeout);
public static extern bool WinHttpAddRequestHeaders(
SafeWinHttpHandle requestHandle,
string headers,
uint headersLength,
uint modifiers);
public static extern bool WinHttpGetProxyForUrl(
SafeWinHttpHandle sessionHandle, string url,
ref WINHTTP_AUTOPROXY_OPTIONS autoProxyOptions,
out WINHTTP_PROXY_INFO proxyInfo);
public static extern bool WinHttpReceiveResponse(
SafeWinHttpHandle requestHandle,
IntPtr reserved);
public static extern IntPtr WinHttpSetStatusCallback(
SafeWinHttpHandle handle,
WINHTTP_STATUS_CALLBACK callback,
uint notificationFlags,
IntPtr reserved);
public static extern bool WinHttpReadData(
SafeWinHttpHandle requestHandle,
IntPtr buffer,
uint bufferSize,
IntPtr parameterIgnoredAndShouldBeNullForAsync);
public static extern SafeWinHttpHandleWithCallback WinHttpWebSocketCompleteUpgrade(
SafeWinHttpHandle requestHandle,
IntPtr context);
