[MFC]CInternetConnection 등 사용 코드들

 

가장 좋은 예제는 MSDN에 있는 Tear예제이다.

 

tear.h

다운로드

tear.cpp

다운로드

 

/////////////////////////////////////////
int get_htmlpage(const char* filename, int nVerb,char* server,char* page,char* SessionID,char* post_payload){
   
    CInternetSession*    pInetSession;
    CHttpConnection*    pHttpConnection;
    CHttpFile*    pFile = NULL;
    DWORD                dwServiceType;
    CString                sHttpSite;
    CString                sServerName;
    CString                sObject;
    CString                sHttpURL;
    INTERNET_PORT        nPort;
    int n;
    char buffer[1024];
    CString strHeaders;
    CString strFormData=post_payload;

    sHttpURL="http://";
    sHttpURL+= server;
    if(*page!='/')sHttpURL+="/";
    sHttpURL+=page;

    AfxParseURL(sHttpURL, dwServiceType, sServerName, sObject, nPort);
    pInetSession = new CInternetSession(_T("HTML-Dateiubertragung"), 1, PRE_CONFIG_INTERNET_ACCESS);
    pHttpConnection = pInetSession->GetHttpConnection(sServerName, nPort);
    pFile = pHttpConnection->OpenRequest(nVerb,sObject, NULL, 1, NULL, NULL,INTERNET_FLAG_EXISTING_CONNECT | INTERNET_FLAG_NO_AUTO_REDIRECT);
    pFile->AddRequestHeaders("Accept: */*\r\n");

    strHeaders="Host: ";
    strHeaders+=server;
    strHeaders+="\r\n";
    strHeaders+="Accept: */* \r\n";
    strHeaders+="Accept-Language: de\r\n";
    strHeaders+="Pragma: no-cache\r\n";
    strHeaders+="Proxy-Connection: Keep-Alive\r\n";
    strHeaders+="Referer: http://www.tralala.de\r\n";
    strHeaders+="User-Agent: Mozilla/4.0 (compatible; MSIE 5.23; Mac_PowerPC)\r\n";
    strHeaders+="Cookie: PHPSESSID=";
    strHeaders+=SessionID;
    strHeaders+="\r\n";
    strHeaders+="Content-type: application/x-www-form-urlencoded\r\n";
    strHeaders+="Extension: Security/Remote-Passphrase\r\n\r\n";
   
    BOOL result = pFile->SendRequest(strHeaders,(LPVOID)(LPCTSTR)strFormData, strFormData.GetLength());

    if(filename!=NULL){
        CFile file;
        file.Open(filename, CFile::modeCreate|CFile::modeWrite|CFile::typeBinary);
        while ( (n = pFile->Read( buffer, 1024 ))>0)
             file.Write( buffer,n);
        file.Close();
    }
   
    pFile->Close();
    if (pFile != NULL)delete pFile;
    if (pHttpConnection != NULL)delete pHttpConnection;
    pInetSession->Close();
    delete pInetSession;

    return 0;
}

/////////////////////////////////////////////////////

// init sockets
AfxSocketInit();

in ljrequest...

if (proxy) {
 // recieve buffer
 char rcvbuf[1024];

 // new socket
 CSocket* pSocket = new CSocket;
 pSocket->Create();

 int p = 0;

 p = atoi(ljr->m_settings->m_prox_port);
 CString ljlog = "http://" + ljr->m_settings->m_server + ljr->m_settings->m_logurl;

 if (p == 0)
  p = 80;

 // connect
 pSocket->Connect(ljr->m_settings->m_prox_serv,INTERNET_PORT(p));

 // clear buffer
 ::ZeroMemory(rcvbuf, sizeof(rcvbuf));

 // header
 CString send;
 send += "POST " + ljlog + " HTTP/1.1\r\n";
 send += "Content-type: application/x-www-form-urlencoded\r\n";
 send += "User-Agent: LiveJournal\r\n";
 send += "Host: " + ljr->m_settings->m_server + "\r\n";
 send += "Cache-Control: no-cache\r\n";
 send.Format("%sContent-Length: %d\r\n", send, postdata.GetLength());
 if (ljr->m_settings != NULL && ljr->m_settings->cookie) {
  send += "Cookie: ljfastserver=1\r\n";
 }
 send += "Authorization " + MIMEencode(ljr->m_settings->m_prox_user + ":" + ljr->m_settings->m_prox_pass) + "\r\n";
 send += "Proxy-Authorization: Basic " + MIMEencode(ljr->m_settings->m_prox_user + ":" + ljr->m_settings->m_prox_pass) + "\r\n";

 send += "\r\n";

 send += postdata;

 // send request
 pSocket->Send(send, send.GetLength());

 // receive stuff from server
 int ret;
 while ((ret = pSocket->Receive(rcvbuf,sizeof(rcvbuf)-1)) && ret != WSAECONNRESET) {
  response += rcvbuf;
 }

 // delete socket
 pSocket->Close();
 delete pSocket;

 int loc = 0;
 int newloc;
 while ((newloc = response.Find((TCHAR) '\n', loc)) != -1)
 {
  CString frag = response.Mid(loc, newloc-loc);
  if (frag == "\r") {
   response = response.Mid(loc+2);
   break;
  }
  if (loc == 0) {
   int start = frag.Find(' ');
   CString msg;
   msg.Format("frag = %s\ncode = %s", frag, frag.Mid(start+1, 3));
   if ((frag.Mid(start+1, 3)).CompareNoCase("200") != 0) {
    ljr->res["success"] = "FAIL";
    ljr->res["errmsg"] = "Server error.  Please try again shortly.";
    MessageBox(NULL, msg, "server failed with these codes", MB_OK);
    return 0;
   }
  }
  loc = newloc+1;
 }
}
///////////////////////////////////////////