C++ (Win32 API + WinHTTP) के साथ Slack पर संदेश कैसे भेजें [Webhook समर्थित]

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#include <windows.h>
#include <winhttp.h>
#include <iostream>

#pragma comment(lib, "winhttp.lib")

bool PostToSlack(const std::wstring& webhookUrl, const std::string& messageJson) {
    // URL का विश्लेषण
    URL_COMPONENTS urlComp{};
    wchar_t hostName[256];
    wchar_t urlPath[1024];

    urlComp.dwStructSize = sizeof(urlComp);
    urlComp.lpszHostName = hostName;
    urlComp.dwHostNameLength = _countof(hostName);
    urlComp.lpszUrlPath = urlPath;
    urlComp.dwUrlPathLength = _countof(urlPath);

    if (!WinHttpCrackUrl(webhookUrl.c_str(), 0, 0, &urlComp)) {
        std::wcerr << L"URL विश्लेषण विफल रहा\n";
        return false;
    }

    // HTTP सत्र और कनेक्शन
    HINTERNET hSession = WinHttpOpen(L"SlackPoster/1.0",
                                     WINHTTP_ACCESS_TYPE_DEFAULT_PROXY,
                                     WINHTTP_NO_PROXY_NAME,
                                     WINHTTP_NO_PROXY_BYPASS, 0);
    HINTERNET hConnect = WinHttpConnect(hSession, hostName, urlComp.nPort, 0);
    HINTERNET hRequest = WinHttpOpenRequest(hConnect, L"POST", urlPath,
                                            NULL, WINHTTP_NO_REFERER,
                                            WINHTTP_DEFAULT_ACCEPT_TYPES,
                                            WINHTTP_FLAG_SECURE);

    std::wstring headers = L"Content-Type: application/json\r\n";
    BOOL result = WinHttpSendRequest(hRequest,
                                     headers.c_str(),
                                     -1,
                                     (LPVOID)messageJson.c_str(),
                                     messageJson.length(),
                                     messageJson.length(),
                                     0);

    if (!result) {
        std::cerr << "भेजने का अनुरोध विफल रहा\n";
        return false;
    }

    WinHttpReceiveResponse(hRequest, NULL);

    DWORD statusCode = 0;
    DWORD size = sizeof(statusCode);
    WinHttpQueryHeaders(hRequest,
                        WINHTTP_QUERY_STATUS_CODE | WINHTTP_QUERY_FLAG_NUMBER,
                        WINHTTP_HEADER_NAME_BY_INDEX,
                        &statusCode, &size, WINHTTP_NO_HEADER_INDEX);

    // संसाधन मुक्त करें
    WinHttpCloseHandle(hRequest);
    WinHttpCloseHandle(hConnect);
    WinHttpCloseHandle(hSession);

    return (statusCode == 200);
}

int main() {
    std::wstring webhookUrl = L"https://hooks.slack.com/services/xxx/yyy/zzz"; // इसे अपने Webhook से बदलें

    std::string message = R"({
        "text": "Hello from C++ :rocket:",
        "username": "C++ Bot",
        "icon_emoji": ":robot_face:"
    })";

    if (PostToSlack(webhookUrl, message)) {
        std::cout << "पोस्ट सफल रहा!\n";
    } else {
        std::cerr << "पोस्ट विफल रहा।\n";
    }

    return 0;
}

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{
  "text": "अधिसूचना सामग्री",
  "username": "बॉट का नाम",
  "icon_emoji": ":rocket:",
  "channel": "#कोई भी चैनल नाम"
}

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[C++ Bot]
Hello from C++ :rocket: