c++ - 使用WinInet和WinHTTP的调用服务器

我有一个使用WinInet API时可以正常运行的请求。现在，我想用WinHTTP API发出该请求，因为我已经在项目中使用了它，而且它更好。我的请求用于调用JSON。在致电之前，我已经通过了身份验证。进行身份验证时，我会获取通过Cookie发送的SessionID。
所以这是我的WinInet代码：

DWORD dwError;
HINTERNET hOpen = NULL, hReq = NULL;
hOpen = InternetOpen(_T(""), INTERNET_OPEN_TYPE_DIRECT, _T(""), _T(""), 0);
if(hOpen == NULL)
{
    dwError = GetLastError();
    return false;
}

CString cstrCookies = _T("Cookie: JSESSIONID=") + cstrSession;
CString cstr = _T("https://") + cstrServer + _T("/list/") + cstrFileOrFolder;
hReq = InternetOpenUrl(hOpen, cstr, cstrCookies, -1L,
    INTERNET_FLAG_SECURE | INTERNET_FLAG_NO_COOKIES, 0); // without NO_COOKIES I'll get a 401
if(hReq == NULL)
{
    dwError = GetLastError();
    InternetCloseHandle(hOpen);
    return false;
}

DWORD dwCode, dwCodeSize;
dwCodeSize = sizeof(DWORD);
if(!HttpQueryInfo(hReq, HTTP_QUERY_STATUS_CODE | HTTP_QUERY_FLAG_NUMBER, &dwCode, &dwCodeSize, NULL))
{
    dwError = GetLastError();
    InternetCloseHandle(hReq);
    InternetCloseHandle(hOpen);
    return false;
}

InternetCloseHandle(hOpen);
InternetCloseHandle(hReq);
return dwCode == 200;

因此，我现在想使用WinHTTP API进行相同的操作。这是我目前所拥有的：

DWORD dwError = 0;
HINTERNET hConnect = NULL, hRequest = NULL;

hConnect = WinHttpConnect(m_hSession, cstrServer, INTERNET_DEFAULT_HTTPS_PORT, 0);
if (hConnect == NULL)
{
    return false;
}

hRequest = WinHttpOpenRequest(hConnect, NULL, cstrMethod + _T("/list/") + cstrFileOrFolder,
    NULL, WINHTTP_NO_REFERER, WINHTTP_DEFAULT_ACCEPT_TYPES, WINHTTP_FLAG_SECURE);
if (hRequest == NULL)
{
    WinHttpCloseHandle(hConnect);
    return false;
}

DWORD dwOptionValue = WINHTTP_DISABLE_COOKIES;
if (WinHttpSetOption(hRequest, WINHTTP_OPTION_DISABLE_FEATURE, &dwOptionValue,
    sizeof(dwOptionValue)) != TRUE)
{
    WinHttpCloseHandle(hConnect);
    WinHttpCloseHandle(hRequest);
    return false;
}

const CString cstrHeaders = _T("Cookie: JSESSIONID=") + cstrSession;
if (WinHttpAddRequestHeaders(hRequest, cstrHeaders, cstrHeaders.GetLength(),
    WINHTTP_ADDREQ_FLAG_ADD) != TRUE)
{
    WinHttpCloseHandle(hConnect);
    WinHttpCloseHandle(hRequest);
    return false;
}

if (WinHttpSendRequest(hRequest, WINHTTP_NO_ADDITIONAL_HEADERS, -1L, WINHTTP_NO_REQUEST_DATA, 0,
    0, 0) != TRUE)
{
    WinHttpCloseHandle(hConnect);
    WinHttpCloseHandle(hRequest);
    return false;
}

if (WinHttpReceiveResponse(hRequest, NULL) != TRUE)
{
    WinHttpCloseHandle(hConnect);
    WinHttpCloseHandle(hRequest);
    return false;
}

DWORD dwCode, dwCodeSize;
dwCodeSize = sizeof(DWORD);
if(!WinHttpQueryHeaders(hRequest, WINHTTP_QUERY_STATUS_CODE | WINHTTP_QUERY_FLAG_NUMBER, NULL, &dwCode, &dwCodeSize, NULL))
{
    WinHttpCloseHandle(hConnect);
    WinHttpCloseHandle(hRequest);
    return false;
}

WinHttpCloseHandle(hConnect);
WinHttpCloseHandle(hRequest);
return dwCode == 200;

对于后者，我总是收到401，但我应该像第一种方法一样得到200。我还发现，当我未指定INTERNET_FLAG_NO_COOKIES标志时，我会在第一次调用时收到401。因此，我怀疑Cookie标头中的内容有误。有人看到我在做什么错吗？或这两种方法有什么区别？
谢谢...

最佳答案

看起来不错。
如果您是我，则可以连接一个HTTP调试代理（如Fiddler），并检查和比较这两种方法的HTTP流量。这可能会指出您需要执行的操作。