winnet winhttp

 // HttpPost.cpp written by l_zhaohui@163.com // 2007/11/30  #include <windows.h> #include <stdio.h> #include <stdlib.h> #define _ATL_CSTRING_EXPLICIT_CONSTRUCTORS #include <atlbase.h> #include <atlstr.h> #define USE_WINHTTP //Comment this line to user wininet. #ifdef USE_WINHTTP #include <winhttp.h> #pragma comment(lib, "winhttp.lib") #else #include <wininet.h> #pragma comment(lib, "wininet.lib") #endif #define BUF_SIZE (1024) // CrackedUrl class CrackedUrl { int m_scheme; CStringW m_host; int m_port; CStringW m_path; public: CrackedUrl(LPCWSTR url) { URL_COMPONENTS uc = { 0}; uc.dwStructSize = sizeof(uc); const DWORD BUF_LEN = 256; WCHAR host[BUF_LEN]; uc.lpszHostName = host; uc.dwHostNameLength = BUF_LEN; WCHAR path[BUF_LEN]; uc.lpszUrlPath = path; uc.dwUrlPathLength = BUF_LEN; WCHAR extra[BUF_LEN]; uc.lpszExtraInfo = extra; uc.dwExtraInfoLength = BUF_LEN; #ifdef USE_WINHTTP if (!WinHttpCrackUrl(url, 0, ICU_ESCAPE, &uc)) { printf("Error:WinHttpCrackUrl failed!/n"); } #else if (!InternetCrackUrl(url, 0, ICU_ESCAPE, &uc)) { printf("Error:InternetCrackUrl failed!/n"); } #endif m_scheme = uc.nScheme; m_host = host; m_port = uc.nPort; m_path = path; } int GetScheme() const { return m_scheme; } LPCWSTR GetHostName() const { return m_host; } int GetPort() const { return m_port; } LPCWSTR GetPath() const { return m_path; } static CStringA UrlEncode(const char *p) { if (p == 0) { return CStringA(); } CStringA buf; for (;;) { int ch = (BYTE) (*(p++)); if (ch == '/0') { break; } if (isalnum(ch) || ch == '_' || ch == '-' || ch == '.') { buf += (char)ch; } else if (ch == ' ') { buf += '+'; } else { char c[16]; wsprintfA(c, "%%%02X", ch); buf += c; } } return buf; } }; // CrackedUrl  HINTERNET OpenSession(LPCWSTR userAgent = 0) { #ifdef USE_WINHTTP return WinHttpOpen(userAgent, NULL, NULL, NULL, NULL);; #else return InternetOpen(userAgent, INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0); #endif } HINTERNET Connect(HINTERNET hSession, LPCWSTR serverAddr, int portNo) { #ifdef USE_WINHTTP return WinHttpConnect(hSession, serverAddr, (INTERNET_PORT) portNo, 0); #else return InternetConnect(hSession, serverAddr, portNo, NULL, NULL, INTERNET_SERVICE_HTTP, 0, 0); #endif } HINTERNET OpenRequest(HINTERNET hConnect, LPCWSTR verb, LPCWSTR objectName, int scheme) { DWORD flags = 0; #ifdef USE_WINHTTP if (scheme == INTERNET_SCHEME_HTTPS) { flags |= WINHTTP_FLAG_SECURE; } return WinHttpOpenRequest(hConnect, verb, objectName, NULL, NULL, NULL, flags); #else if (scheme == INTERNET_SCHEME_HTTPS) { flags |= INTERNET_FLAG_SECURE; } return HttpOpenRequest(hConnect, verb, objectName, NULL, NULL, NULL, flags, 0); #endif } BOOL AddRequestHeaders(HINTERNET hRequest, LPCWSTR header) { SIZE_T len = lstrlenW(header); #ifdef USE_WINHTTP return WinHttpAddRequestHeaders(hRequest, header, DWORD(len), WINHTTP_ADDREQ_FLAG_ADD); #else return HttpAddRequestHeaders(hRequest, header, DWORD(len), HTTP_ADDREQ_FLAG_ADD); #endif } BOOL SendRequest(HINTERNET hRequest, const void *body, DWORD size) { #ifdef USE_WINHTTP return WinHttpSendRequest(hRequest, 0, 0,const_cast<void *>(body), size, size, 0); #else return HttpSendRequest(hRequest, 0, 0, const_cast<void *>(body), size); #endif } BOOL EndRequest(HINTERNET hRequest) { #ifdef USE_WINHTTP return WinHttpReceiveResponse(hRequest, 0); #else // if you use HttpSendRequestEx to send request then use HttpEndRequest in here! return TRUE; #endif } BOOL QueryInfo(HINTERNET hRequest, int queryId, char *szBuf, DWORD *pdwSize) { #ifdef USE_WINHTTP return WinHttpQueryHeaders(hRequest, (DWORD) queryId, 0, szBuf, pdwSize, 0); #else return HttpQueryInfo(hRequest, queryId, szBuf, pdwSize, 0); #endif } BOOL ReadData(HINTERNET hRequest, void *buffer, DWORD length, DWORD *cbRead) { #ifdef USE_WINHTTP return WinHttpReadData(hRequest, buffer, length, cbRead); #else return InternetReadFile(hRequest, buffer, length, cbRead); #endif } void CloseInternetHandle(HINTERNET hInternet) { if (hInternet) { #ifdef USE_WINHTTP WinHttpCloseHandle(hInternet); #else InternetCloseHandle(hInternet); #endif } } int _tmain(int argc, _TCHAR *argv[]) { HINTERNET hSession = 0; HINTERNET hConnect = 0; HINTERNET hRequest = 0; CStringW strHeader(L"Content-type: application/x-www-form-urlencoded/r/n"); // Test data CrackedUrl crackedUrl(L"http://www.baidu.com"); CStringA strPostData("a=1"); // Open session. hSession = OpenSession(L"HttpPost"); if (hSession == NULL) { printf("Error:Open session!/n"); return -1; } // Connect. hConnect = Connect(hSession, crackedUrl.GetHostName(), crackedUrl.GetPort()); // hConnect = Connect(hSession, L"192.168.0.8",80); if (hConnect == NULL) { printf("Error:Connect failed!/n"); return -1; } // Open request. //hRequest = OpenRequest(hConnect, L"POST", L"login.html", crackedUrl.GetScheme()); hRequest = OpenRequest(hConnect, L"POST", crackedUrl.GetPath(), crackedUrl.GetScheme()); if (hRequest == NULL) { printf("Error:OpenRequest failed!/n"); return -1; } // Add request header. if (!AddRequestHeaders(hRequest, strHeader)) { printf("Error:AddRequestHeaders failed!/n"); return -1; } // Send post data. if (!SendRequest(hRequest, (const char *)strPostData, strPostData.GetLength())) { printf("Error:SendRequest failed!/n"); return -1; } // End request if (!EndRequest(hRequest)) { printf("Error:EndRequest failed!/n"); return -1; } char szBuf[BUF_SIZE]; DWORD dwSize = 0; szBuf[0] = 0; // Query header info. #ifdef USE_WINHTTP int contextLengthId = WINHTTP_QUERY_CONTENT_LENGTH; int statusCodeId = WINHTTP_QUERY_STATUS_CODE; int statusTextId = WINHTTP_QUERY_STATUS_TEXT; #else int contextLengthId = HTTP_QUERY_CONTENT_LENGTH; int statusCodeId = HTTP_QUERY_STATUS_CODE; int statusTextId = HTTP_QUERY_STATUS_TEXT; #endif dwSize = BUF_SIZE; if (QueryInfo(hRequest, contextLengthId, szBuf, &dwSize)) { szBuf[dwSize] = 0; printf("Content length:[%s]/n", szBuf); } dwSize = BUF_SIZE; if (QueryInfo(hRequest, statusCodeId, szBuf, &dwSize)) { szBuf[dwSize] = 0; printf("Status code:[%s]/n", szBuf); } dwSize = BUF_SIZE; if (QueryInfo(hRequest, statusTextId, szBuf, &dwSize)) { szBuf[dwSize] = 0; printf("Status text:[%s]/n", szBuf); } // read data. for (;;) { dwSize = BUF_SIZE; if (ReadData(hRequest, szBuf, dwSize, &dwSize) == FALSE) { break; } if (dwSize <= 0) { break; } szBuf[dwSize] = 0; printf("%s/n", szBuf); //Output value = value1 + value2  } CloseInternetHandle(hRequest); CloseInternetHandle(hConnect); CloseInternetHandle(hSession); system("pause"); return 0; }