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 IntPtr WinHttpSetStatusCallback(
SafeWinHttpHandle handle,
WINHTTP_STATUS_CALLBACK callback,
uint notificationFlags,
IntPtr reserved);
public static extern IntPtr WinHttpSetStatusCallback(
SafeWinHttpHandle handle,
WINHTTP_STATUS_CALLBACK callback,
uint notificationFlags,
IntPtr reserved);
