C++ HttpSendRequest函数代码示例

	//download file from WWW in a buffer
	bool WWWFileBuffer(char *host, char *path, char *outBuffer, int outBufferSize)
	{
		bool retval = false;
		LPTSTR AcceptTypes[2] = { TEXT("*/*"), NULL };
		DWORD dwSize = outBufferSize - 1, dwFlags = INTERNET_FLAG_RELOAD | INTERNET_FLAG_NO_CACHE_WRITE;
		HINTERNET opn = NULL, con = NULL, req = NULL;
		opn = InternetOpen(TEXT("Evilzone.org"), INTERNET_OPEN_TYPE_DIRECT, NULL, NULL, 0);
		if (!opn)
			return retval;
		con = InternetConnect(opn, host, INTERNET_DEFAULT_HTTP_PORT, NULL, NULL, INTERNET_SERVICE_HTTP, 0, 0);
		if (!con)
			return retval;
		req = HttpOpenRequest(con, TEXT("GET"), path, HTTP_VERSION, NULL, (LPCTSTR*)AcceptTypes, dwFlags, 0);
		if (!req)
			return retval;
		if (HttpSendRequest(req, NULL, 0, NULL, 0))
		{
			DWORD statCodeLen = sizeof(DWORD);
			DWORD statCode;
			if (HttpQueryInfo(req,
				HTTP_QUERY_STATUS_CODE | HTTP_QUERY_FLAG_NUMBER,
				&statCode, &statCodeLen, NULL))
			{
				if (statCode == 200 && InternetReadFile(req, (LPVOID)outBuffer, outBufferSize - 1, &dwSize))
				{
					retval = TRUE;
				}
			}
		}
		InternetCloseHandle(req);
		InternetCloseHandle(con);
		InternetCloseHandle(opn);
		return retval;
	}

BOOL do_some_shit()
{
HINTERNET Initialize,Connection,File;
DWORD BytesRead;

Initialize = InternetOpen(_T("HTTPGET"),INTERNET_OPEN_TYPE_DIRECT,NULL,NULL,0);
Connection = InternetConnect(Initialize,_T("www.clicksaw.com"),INTERNET_DEFAULT_HTTP_PORT, NULL,NULL,INTERNET_SERVICE_HTTP,0,0);
	
File = HttpOpenRequest(Connection,NULL,_T("/contact.html"),NULL,NULL,NULL,0,0);

if(HttpSendRequest(File,NULL,0,NULL,0))
{
	LPSTR szContents[400] = { '\0' } ; // = Contents.GetBuffer(400);
	 
	 while(InternetReadFile(File, szContents, 400, &BytesRead) && BytesRead != 0)
    {
	}

	MessageBoxA(NULL, (LPCSTR)(szContents), "metoo", NULL);
}

InternetCloseHandle(File);
InternetCloseHandle(Connection);
InternetCloseHandle(Initialize);
 return(TRUE);
}

bool HttpSnaffle::StartFetch(std::string objectPath)
{
    // Under Win95/HTTP1.0 you need an initial slash
    if (objectPath[0] != '/')
        objectPath = std::string("/") + objectPath;

    // NB: If you consider setting INTERNET_FLAG_PRAGMA_NOCACHE, be
    // warned it doesn't work on a base Win95 machine.

    myRequest = HttpOpenRequestA(myServerConnection, NULL, objectPath.c_str(), NULL, NULL, 
                                 NULL, // mime types
                                 // Force a load from the server, not the cache.  This is in case
                                 // the file has changed, or has been corrupted during previous transfer.
                                 INTERNET_FLAG_RELOAD | INTERNET_FLAG_RESYNCHRONIZE, 
                                 myContext);

    if (myRequest == NULL)
        return false;

    BOOL result = HttpSendRequest(myRequest, 0, 0, 0, 0);
    if (!result)
        return false;

    return true;
}

bool CHttpHelper::publish(char *payload)
{
	bool result = false;

	DWORD flags = INTERNET_FLAG_NO_CACHE_WRITE | INTERNET_FLAG_PRAGMA_NOCACHE;

	char path[1024];

	int len = sprintf(path, "%s", m_routerSettings->routerPath);
	sprintf(path + len, "%s", m_topic);

	HINTERNET httpRequest = HttpOpenRequest(m_hSession, 
											"POST",
											path,
											NULL, 
											"pocketnoc",
											NULL,
											flags,
											0);

	if(httpRequest == NULL)
		return result;

	if(HttpSendRequest(httpRequest, NULL, 0, payload, strlen(payload)))
		result = true;
	
	InternetCloseHandle(httpRequest);

	return result;
}

CNetDataImpl* CNetRequestImpl::sendString(const String& strBody)
{
    CNetDataImpl* pNetData = new CNetDataImpl;

    do
    {
        if ( isError() )
            break;

        CAtlStringW strHeaders = L"Content-Type: application/x-www-form-urlencoded\r\n";
        if ( !HttpAddRequestHeaders( hRequest, strHeaders, -1, HTTP_ADDREQ_FLAG_ADD|HTTP_ADDREQ_FLAG_REPLACE ) )
        {
            pszErrFunction = L"HttpAddRequestHeaders";
            break;
        }

        if ( !HttpSendRequest( hRequest, NULL, 0, const_cast<char*>(strBody.c_str()), strBody.length() ) )
        {
            pszErrFunction = L"HttpSendRequest";
            break;
        }
        //Sleep(5000);
        readResponse(pNetData);
    }while(0);

    return pNetData;
}

std::string WebIO::Execute(const char* command, std::string body)
{
	WebIO::OpenConnection();

	const char *acceptTypes[] = { "application/x-www-form-urlencoded", NULL };

	DWORD dwFlag = INTERNET_FLAG_RELOAD | (WebIO::IsSecuredConnection() ? INTERNET_FLAG_SECURE : 0);
	WebIO::m_hFile = HttpOpenRequest(WebIO::m_hConnect, command, WebIO::m_sUrl.document.c_str(), NULL, NULL, acceptTypes, dwFlag, 0);

	HttpSendRequest(WebIO::m_hFile, "Content-type: application/x-www-form-urlencoded", -1, (char*)body.c_str(), body.size() + 1);

	std::string returnBuffer;

	DWORD size = 0;
	char buffer[0x2001] = { 0 };

	while (InternetReadFile(WebIO::m_hFile, buffer, 0x2000, &size))
	{
		returnBuffer.append(buffer, size);
		if (!size) break;
	}

	WebIO::CloseConnection();

	return returnBuffer;
}

CNetResponseImpl* CNetRequestImpl::downloadFile(common::CRhoFile& oFile)
{
    CNetResponseImpl* pNetResp = new CNetResponseImpl;

    do
    {
        if ( isError() )
            break;

        if ( !HttpSendRequest( hRequest, NULL, 0, NULL, 0 ) )
        {
            pszErrFunction = L"HttpSendRequest";
            break;
        }

        readResponse(pNetResp);
        if ( isError() )
            break;

        readInetFile(hRequest,pNetResp, &oFile);

    }while(0);

    return pNetResp;
}

string Functions::HttpGet(LPCWSTR uri, HINTERNET hHandle, LPCWSTR host)
{
	HINTERNET cHandle = InternetConnect(hHandle, host, INTERNET_DEFAULT_HTTP_PORT, NULL, NULL, INTERNET_SERVICE_HTTP, 0, 0);
	HINTERNET oHandle = HttpOpenRequest(cHandle, L"GET", uri, L"HTTP/1.1", NULL, NULL, INTERNET_FLAG_RELOAD, 0);
	BOOL sHandle = HttpSendRequest(oHandle, L"", 0, 0, 0);
	if(sHandle)
	{
		char* buffer = (char*) malloc(sizeof(char) * (1024));
		DWORD dwVal = 0;
		BOOL eHandle = InternetReadFile(oHandle, buffer, 1024, &dwVal);
		if(eHandle)
		{
			char* buffer2 = (char*) malloc(sizeof(char) * (dwVal + 1));
			buffer2[dwVal] = '\0';
			memcpy(buffer2, buffer, dwVal);
			string str = string(buffer2);

			free(buffer);
			free(buffer2);
			return str;
		}

		free(buffer);
	}

	return "";
}

int inet_sendscore(char *name, char *scorecode)
{
	char url[1000];
	int result=INET_SUCCESS;
	HINTERNET data;

	// Create request URL
	sprintf(url,"/highscore.php?yourname=%s&code=%s",name,scorecode);

	// Open request
	data = HttpOpenRequest(connection, "GET", url, "HTTP/1.0", NULL, NULL, INTERNET_FLAG_KEEP_CONNECTION, 0 );
	if(data!=NULL)
	{
		// Send data
		if(HttpSendRequest(data, NULL, 0, NULL, 0)) InternetCloseHandle(data);
		else result = INET_SENDREQUEST_FAILED;
	}
	else
	{
		result = INET_OPENREQUEST_FAILED;
	}

	return(result);

}

int httpPost(url_schema *urls, const char *headers, const char *data)
{
	int rc = 0;

	static const TCHAR agent[] = _T("Google Chrome");
	static LPCTSTR proxy = NULL;
	static LPCTSTR proxy_bypass = NULL;

	HINTERNET hSession = InternetOpen(agent, PRE_CONFIG_INTERNET_ACCESS, proxy, proxy_bypass, 0);
	if (hSession) {
		HINTERNET hConnect = InternetConnect(hSession, urls->host, urls->port, NULL, NULL, INTERNET_SERVICE_HTTP, 0, 1);
		if (hConnect) {
			PCTSTR accept[] = {"*/*", NULL};
			HINTERNET hRequest = HttpOpenRequest(hConnect, _T("POST"), urls->page, NULL, NULL, accept, 0, 1);
			if (hRequest) {
				if (!HttpSendRequest(hRequest, headers, lstrlen(headers), (LPVOID)data, lstrlen(data)))
					rc = ERROR_SEND_REQUEST;
				else
					rc = ERROR_SUCCESS;
				InternetCloseHandle(hRequest);
			}
			else
				rc = ERROR_OPEN_REQUEST;
			InternetCloseHandle(hConnect);
		}
		else
			rc = ERROR_CONNECT;
		InternetCloseHandle(hSession);
	}
	else 
		rc = ERROR_INTERNET;
	return rc;
}

String
WinINetRequest::send()
{
    if (m_used) {
        throw XArch("class is one time use.");
    }
    m_used = true;

    openSession();
    connect();
    openRequest();
    
    String headers("Content-Type: text/html");
    if (!HttpSendRequest(m_request, headers.c_str(), (DWORD)headers.length(), NULL, NULL)) {
        throw XArch(new XArchEvalWindows());
    }
    
    std::stringstream result;
    CHAR buffer[1025];
    DWORD read = 0;

    while (InternetReadFile(m_request, buffer, sizeof(buffer) - 1, &read) && (read != 0)) {
        buffer[read] = 0;
        result << buffer;
        read = 0;
    }

    return result.str();
}

DWORD packet_transmit_via_http_wininet(Remote *remote, Packet *packet, PacketRequestCompletion *completion) {
	DWORD res = 0;
	HINTERNET hReq;
	HINTERNET hRes;
	DWORD retries = 5;
	DWORD flags;
	DWORD flen;
	unsigned char *buffer;

	flen = sizeof(flags);

	buffer = malloc( packet->payloadLength + sizeof(TlvHeader) );
	if (! buffer) {
		SetLastError(ERROR_NOT_FOUND);
		return 0;
	}

	memcpy(buffer, &packet->header, sizeof(TlvHeader));
	memcpy(buffer + sizeof(TlvHeader), packet->payload, packet->payloadLength);

	do {

		flags = INTERNET_FLAG_RELOAD | INTERNET_FLAG_NO_CACHE_WRITE | INTERNET_FLAG_NO_AUTO_REDIRECT | INTERNET_FLAG_NO_UI;
		if (remote->transport == METERPRETER_TRANSPORT_HTTPS) {
			flags |= INTERNET_FLAG_SECURE |  INTERNET_FLAG_IGNORE_CERT_CN_INVALID  | INTERNET_FLAG_IGNORE_CERT_DATE_INVALID;
		}

		hReq = HttpOpenRequest(remote->hConnection, "POST", remote->uri, NULL, NULL, NULL, flags, 0);

		if (hReq == NULL) {
			dprintf("[PACKET RECEIVE] Failed HttpOpenRequest: %d", GetLastError());
			SetLastError(ERROR_NOT_FOUND);
			break;
		}

		if (remote->transport == METERPRETER_TRANSPORT_HTTPS) {
			InternetQueryOption( hReq, INTERNET_OPTION_SECURITY_FLAGS, &flags, &flen);
			flags |= SECURITY_FLAG_IGNORE_UNKNOWN_CA | SECURITY_FLAG_IGNORE_CERT_CN_INVALID | SECURITY_FLAG_IGNORE_UNKNOWN_CA;
			InternetSetOption(hReq, INTERNET_OPTION_SECURITY_FLAGS, &flags, flen);
		}

		hRes = HttpSendRequest(hReq, NULL, 0, buffer, packet->payloadLength + sizeof(TlvHeader) );

		if (! hRes) {
			dprintf("[PACKET RECEIVE] Failed HttpSendRequest: %d", GetLastError());
			SetLastError(ERROR_NOT_FOUND);
			break;
		}
	} while(0);

	memset(buffer, 0, packet->payloadLength + sizeof(TlvHeader));
	InternetCloseHandle(hReq);
	return res;
}

//------------------------------------------------------------------------------
void GetCSRFToken(VIRUSTOTAL_STR *vts)
{
  HINTERNET M_connexion = 0;
  if (!use_other_proxy)M_connexion = InternetOpen("",/*INTERNET_OPEN_TYPE_DIRECT*/INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, INTERNET_FLAG_NO_CACHE_WRITE);
  else M_connexion = InternetOpen("",/*INTERNET_OPEN_TYPE_DIRECT*/INTERNET_OPEN_TYPE_PROXY, proxy_ch_auth, NULL, 0);

  if (M_connexion==NULL)M_connexion = InternetOpen("",INTERNET_OPEN_TYPE_DIRECT, NULL, NULL, INTERNET_FLAG_NO_CACHE_WRITE);
  if (M_connexion==NULL)return;

  //init connexion
  HINTERNET M_session = InternetConnect(M_connexion, "www.virustotal.com",443,"","",INTERNET_SERVICE_HTTP,0,0);
  if (M_session==NULL)
  {
    InternetCloseHandle(M_connexion);
    return;
  }

  //connexion
  HINTERNET M_requete = HttpOpenRequest(M_session,"GET","www.virustotal.com",NULL,"",NULL,
                                        INTERNET_FLAG_NO_CACHE_WRITE|INTERNET_FLAG_SECURE
                                        |INTERNET_FLAG_IGNORE_CERT_CN_INVALID|INTERNET_FLAG_IGNORE_CERT_DATE_INVALID,0);

  if (use_proxy_advanced_settings)
  {
    InternetSetOption(M_requete,INTERNET_OPTION_PROXY_USERNAME,proxy_ch_user,sizeof(proxy_ch_user));
    InternetSetOption(M_requete,INTERNET_OPTION_PROXY_PASSWORD,proxy_ch_password,sizeof(proxy_ch_password));
  }

  if (M_requete==NULL)
  {
    InternetCloseHandle(M_session);
    InternetCloseHandle(M_connexion);
    return;
  }else if (HttpSendRequest(M_requete, NULL, 0, NULL, 0))
  {
    //traitement !!!
    char buffer[MAX_PATH];
    DWORD dwNumberOfBytesRead = MAX_PATH;

    if(HttpQueryInfo(M_requete,HTTP_QUERY_SET_COOKIE, buffer, &dwNumberOfBytesRead, 0))
    {
      if (dwNumberOfBytesRead>42)buffer[42]=0;

      //on passe : csrftoken=
      strcpy(vts->token,buffer+10);
    }
    InternetCloseHandle(M_requete);
  }
  //close
  InternetCloseHandle(M_session);
  InternetCloseHandle(M_connexion);
}

STDMETHODIMP CBHttpRequest::Send(VARIANT varBody)
{
    if(m_nReadyState != 1)
        return SetErrorInfo(L"Request not initialized.");

    m_eventComplete.Reset();

    BOOL bRet;
    HRESULT hr;

    if(varBody.vt == VT_BSTR)
    {
        CBStringA str;

        str = varBody.bstrVal;

        if(str.GetLength())
        {
            hr = m_mStream.Write((LPVOID)(LPCSTR)str, str.GetLength(), NULL);
            if(FAILED(hr))return hr;
        }
    } else if(varBody.vt != VT_ERROR)
    {
        CBVarPtr varPtr;

        HRESULT hr = varPtr.Attach(varBody);
        if(FAILED(hr))return hr;

        if(varPtr.m_nSize)
        {
            hr = m_mStream.Write(varPtr.m_pData, varPtr.m_nSize, NULL);
            if(FAILED(hr))return hr;
        }
    }

    bRet = HttpSendRequest(m_hFile, NULL, 0, m_mStream.m_pBuffer, m_mStream.m_dwCount);

    if(bRet)StatusCallback(INTERNET_STATUS_REQUEST_COMPLETE);
    else if(GetLastError() != ERROR_IO_PENDING)
    {
        m_nReadyState = 4;
        m_eventComplete.Set();

        return GetErrorResult();
    }

    if(!m_bAsync)m_eventComplete.Wait();

    return S_OK;
}

bool CHTTPParser::HTTPGet(LPCTSTR pstrServer, LPCTSTR pstrObjectName, CString& rString)
{
	bool bReturn = false;

	// are we already connected
	bReturn = IsInternetAvailable();

	if(!bReturn)
	{
		// no, then try and connect
		bReturn = openInternet();
	}

	if(bReturn == true)
	{
		HINTERNET hConnect = InternetConnect(m_hSession, pstrServer, 80, NULL, NULL, INTERNET_SERVICE_HTTP, 0, 1);

		if(hConnect != NULL)
		{
			HINTERNET hFile = NULL;
			hFile = HttpOpenRequest(hConnect, _T("GET"), pstrObjectName, HTTP_VERSION, NULL, NULL, INTERNET_FLAG_EXISTING_CONNECT, 1);

			if(hFile != NULL)
			{
				if(HttpSendRequest(hFile, NULL, 0, NULL, 0))
				{
					readString(rString, hFile);
				}
				else
				{
					bReturn = false;
				}

				InternetCloseHandle(hFile);
			}
			else
			{
				bReturn = false;
			}
			InternetCloseHandle(hConnect);
		}
		else
		{
			bReturn = false;
		}
	}

	return bReturn;
}