How to Upload YouTube Videos Programmatically

// YTBUploaderDlg.cpp : implementation file//#include "stdafx.h"#include "YTBUploader.h"#include "YTBUploaderDlg.h"#include #include "w3c.h"#ifdef _DEBUG#define new DEBUG_NEW#undef THIS_FILEstatic char THIS_FILE[] = __FILE__;#endif/////////////////////////////////////////////////////////////////////////////// CAboutDlg dialog used for App Aboutclass CAboutDlg : public CDialog{public:	CAboutDlg();// Dialog Data	//{{AFX_DATA(CAboutDlg)	enum { IDD = IDD_ABOUTBOX };	//}}AFX_DATA	// ClassWizard generated virtual function overrides	//{{AFX_VIRTUAL(CAboutDlg)	protected:	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support	//}}AFX_VIRTUAL// Implementationprotected:	//{{AFX_MSG(CAboutDlg)	//}}AFX_MSG	DECLARE_MESSAGE_MAP()};CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD){	//{{AFX_DATA_INIT(CAboutDlg)	//}}AFX_DATA_INIT}void CAboutDlg::DoDataExchange(CDataExchange* pDX){	CDialog::DoDataExchange(pDX);	//{{AFX_DATA_MAP(CAboutDlg)	//}}AFX_DATA_MAP}BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)	//{{AFX_MSG_MAP(CAboutDlg)		// No message handlers	//}}AFX_MSG_MAPEND_MESSAGE_MAP()/////////////////////////////////////////////////////////////////////////////// CYTBUploaderDlg dialogCYTBUploaderDlg::CYTBUploaderDlg(CWnd* pParent /*=NULL*/)	: CDialog(CYTBUploaderDlg::IDD, pParent){	//{{AFX_DATA_INIT(CYTBUploaderDlg)	m_sUsername = _T("");	m_sPassword = _T("");	m_sResult = _T("");	m_sVidefile = _T("");	m_pIEsession = NULL;	//m_pHtCon = NULL;	//}}AFX_DATA_INIT	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);}void CYTBUploaderDlg::DoDataExchange(CDataExchange* pDX){	CDialog::DoDataExchange(pDX);	//{{AFX_DATA_MAP(CYTBUploaderDlg)	DDX_Text(pDX, IDC_ACOUNT, m_sUsername);	DDX_Text(pDX, IDC_PASSWORD, m_sPassword);	DDX_Text(pDX, IDC_RESULT, m_sResult);	DDX_Text(pDX, IDC_FILEPATH, m_sVidefile);	//}}AFX_DATA_MAP}BEGIN_MESSAGE_MAP(CYTBUploaderDlg, CDialog)	//{{AFX_MSG_MAP(CYTBUploaderDlg)	ON_WM_SYSCOMMAND()	ON_WM_PAINT()	ON_WM_QUERYDRAGICON()	ON_BN_CLICKED(IDC_LOGIN, OnLogin)	ON_BN_CLICKED(IDC_BROWSFILE, OnBrowsfile)	ON_BN_CLICKED(IDC_UPLOAD, OnUpload)	//}}AFX_MSG_MAPEND_MESSAGE_MAP()/////////////////////////////////////////////////////////////////////////////// CYTBUploaderDlg message handlersBOOL CYTBUploaderDlg::OnInitDialog(){	CDialog::OnInitDialog();	// Add "About..." menu item to system menu.	// IDM_ABOUTBOX must be in the system command range.	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);	ASSERT(IDM_ABOUTBOX AppendMenu(MF_SEPARATOR);			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);		}	}	// Set the icon for this dialog.  The framework does this automatically	//  when the application's main window is not a dialog	SetIcon(m_hIcon, TRUE);			// Set big icon	SetIcon(m_hIcon, FALSE);		// Set small icon		//xDumphtml("afdf");	//TODO: Add extra initialization here	xGenonefieldPostdata("asdfsdfsdsdfsd", "field_myvideo_title","title" );	return TRUE;  // return TRUE  unless you set the focus to a control}void CYTBUploaderDlg::OnSysCommand(UINT nID, LPARAM lParam){	if ((nID & 0xFFF0) == IDM_ABOUTBOX)	{		CAboutDlg dlgAbout;		dlgAbout.DoModal();	}	else	{		CDialog::OnSysCommand(nID, lParam);	}}// If you add a minimize button to your dialog, you will need the code below//  to draw the icon.  For MFC applications using the document/view model,//  this is automatically done for you by the framework.void CYTBUploaderDlg::OnPaint() {	if (IsIconic())	{		CPaintDC dc(this); // device context for painting		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);		// Center icon in client rectangle		int cxIcon = GetSystemMetrics(SM_CXICON);		int cyIcon = GetSystemMetrics(SM_CYICON);		CRect rect;		GetClientRect(&rect);		int x = (rect.Width() - cxIcon + 1) / 2;		int y = (rect.Height() - cyIcon + 1) / 2;		// Draw the icon		dc.DrawIcon(x, y, m_hIcon);	}	else	{		CDialog::OnPaint();	}}// The system calls this to obtain the cursor to display while the user drags//  the minimized window.HCURSOR CYTBUploaderDlg::OnQueryDragIcon(){	return (HCURSOR) m_hIcon;}void CYTBUploaderDlg::OnLogin() {	// TODO: Add your control notification handler code here	UpdateData(); 	m_sUsername = _T("jackxie76");	m_sPassword = _T("jack760220");	CString szAddress;	szAddress.Format("http://youtube.com/login?username=%s&password=%s%s",m_sUsername,m_sPassword,"&next=/index&current_form=loginForm&action_login=1");	CString strServer;	CString strObject;	DWORD    dwType = 0;	INTERNET_PORT wPort;	AfxParseURL(szAddress, dwType, strServer, strObject, wPort);	if( m_pIEsession == NULL )		m_pIEsession = new CInternetSession();	CHttpConnection* pHttpConnection = NULL;	CHttpFile *pIEFile = NULL;	m_pIEsession->SetOption(INTERNET_OPTION_CONNECT_TIMEOUT, 2000);	m_pIEsession->SetOption(INTERNET_OPTION_CONNECT_RETRIES, 1);	try	{		DWORD dwErr = 0;		CString szLoginfoCookie;		dwErr = GetLastError();		//m_pHtCon = m_pIEsession->GetHttpConnection( strServer ,wPort,m_sUsername,m_sPassword );		pHttpConnection = m_pIEsession->GetHttpConnection( strServer ,wPort,m_sUsername,m_sPassword );		m_pIEsession->SetCookie(szAddress,"LOGIN_INFO","test");		dwErr = GetLastError();		if( pHttpConnection == NULL )  AfxMessageBox("Login failed at get connection!");		//Don't care the return error code 122 from OpenRequest function		pIEFile = pHttpConnection->OpenRequest("GET",strObject);//CHttpConnection::HTTP_VERB_GET		dwErr = GetLastError();		if( pIEFile == NULL )	AfxMessageBox("Login failed at open request!");		if( pIEFile->SendRequest() == FALSE ) AfxMessageBox("Login failed at open request!");		dwErr = GetLastError();//return 2, can't find specify file?		DWORD dwStatusCode = -1;		pIEFile->QueryInfoStatusCode( dwStatusCode );		if( dwStatusCode >= 500)			AfxMessageBox("Login failed for server error!");		//Must delete cookie first,how to?		BOOL bret = FALSE;		bret = m_pIEsession->GetCookie(szAddress,"LOGIN_INFO",szLoginfoCookie );		//Verify code,jack +		xDumphtml( xGetresponse( pIEFile ) );		pIEFile->Close();		delete pIEFile;		pHttpConnection->Close();		delete pHttpConnection;				m_pIEsession->Close();		delete m_pIEsession;		m_pIEsession = NULL;		if( bret == FALSE )	 dwErr = GetLastError();		if( !szLoginfoCookie.IsEmpty())		{			int nPos = szLoginfoCookie.Find("LOGIN_INFO=");			char next = szLoginfoCookie.GetAt( nPos+11 );			int nLength = szLoginfoCookie.GetLength();			if( nPos != -1 && nPos GetErrorMessage(sz, 25);	  CString str;	  str.Format("InternetException occur!\r\n%s", sz);	  AfxMessageBox(str);	}	catch(...)	{		m_pIEsession->Close();		delete m_pIEsession;		m_pIEsession = NULL;		AfxMessageBox("Login failed unexpected!");	}}void CYTBUploaderDlg::OnBrowsfile() {	// TODO: Add your control notification handler code here	CFileDialog dlg(TRUE, "wmv", NULL, OFN_HIDEREADONLY,			"All|*.wmv;*.mpg;*.3gp;*.avi|WMV (*.wmv)|*.wmv|MPG (*.mpg;*.mpeg)|*.mpg;*.mpeg|3GP (*.3gp)|*.3gp|AVI(*.avi)|*.avi|");	if(dlg.DoModal()==IDOK )	{		m_sVidefile = dlg.GetPathName();		UpdateData( FALSE );	}	}void CYTBUploaderDlg::OnUpload() {	// TODO: Add your control notification handler code here	BOOL bResult = FALSE;	bResult = xGetSessionToken();	if(  bResult == FALSE ) AfxMessageBox( "Get Session failed!");	bResult = xGetURL_Addresser();	if( bResult == FALSE ) AfxMessageBox( "Get addresser failed!");	bResult = xUpload_files();	if( bResult == FALSE ) AfxMessageBox( "Upload file failed!");}//Make the try post data, through send this data, we//can get the true upload web site and its addresser...CString CYTBUploaderDlg::MakePostArgments( CString szBoundary ){	//CString szBoundary = xGenBoundary();	CString szPostdata;	szPostdata += xGenonefieldPostdata(szBoundary,"field_myvideo_title","mytitle");	szPostdata += xGenonefieldPostdata(szBoundary,"field_myvideo_keywords","Animation");	szPostdata += xGenonefieldPostdata(szBoundary,"field_myvideo_descr","descripty");	szPostdata += xGenonefieldPostdata(szBoundary,"language","EN");	szPostdata += xGenonefieldPostdata(szBoundary,"field_myvideo_categories","Comedy");	szPostdata += xGenonefieldPostdata(szBoundary,"field_privacy","public");	szPostdata += xGenonefieldPostdata(szBoundary,"allow_embedding","YES");	szPostdata += xGenonefieldPostdata(szBoundary,"allow_ratings","YES");	szPostdata += xGenonefieldPostdata(szBoundary,"allow_responses","YES");	szPostdata += xGenonefieldPostdata(szBoundary,"allow_comments","YES");	szPostdata += xGenonefieldPostdata(szBoundary,"ignore_broadcast_settings","0");	szPostdata += xGenonefieldPostdata(szBoundary,"MAX_FILE_SIZE","104857600");	szPostdata += xGenonefieldPostdata(szBoundary,"field_date_mon","0");	szPostdata += xGenonefieldPostdata(szBoundary,"field_date_day","0");	szPostdata += xGenonefieldPostdata(szBoundary,"field_date_yr","0");	szPostdata += xGenonefieldPostdata(szBoundary,"field_date_yr","0");	szPostdata += xGenonefieldPostdata(szBoundary,"location","");	szPostdata += xGenonefieldPostdata(szBoundary,"action_upload","Upload a video...");	szPostdata += xGenonefieldPostdata(szBoundary,"session_token",m_sSessiontoken );	CString szEnd;	szEnd.Format("--%s\r\n",szBoundary);	szPostdata += szEnd;	return szPostdata;}//strBoundary = _T("--MULTI-PARTS-FORM-DATA-BOUNDARY-");CString CYTBUploaderDlg::MakeRequestHeaders(CString &strBoundary){	CString strFormat;    CString strData;        strFormat = _T("Content-Type: multipart/form-data; boundary=%s\r\n");	//strFormat = _T("Content-Type: form-data; boundary=%s\r\n");        strData.Format(strFormat, strBoundary);    return strData;}//make the boundary string base on the GUID//CString CYTBUploaderDlg::xGenBoundary(){	GUID guid;	HRESULT hr = CoCreateGuid( &guid );	CString szGUID = _T("f50f5b68265f4e5eb70103c40fd3b7c2");	if( hr == S_OK )	{		szGUID.Format("%08X%04X%04X%02X%02X%02X%02X%02X%02X%02X%02X",guid.Data1,guid.Data2,guid.Data3,guid.Data4[0],guid.Data4[1],guid.Data4[2],guid.Data4[3],guid.Data4[4],guid.Data4[5],guid.Data4[6],guid.Data4[7] );		return szGUID;	}	return szGUID;}//generate every field value for the post data..CString CYTBUploaderDlg::xGenonefieldPostdata(CString szBoundary,CString fieldname, CString value){	CString strFormat;	CString strData;	strFormat += _T("--");	strFormat += szBoundary; 	strFormat += _T("\r\n");	strFormat += _T("Content-Disposition: form-data; name=\"fieldspec\"");	strFormat.Replace("fieldspec",fieldname);	if( fieldname.Compare("field_uploadfile") != 0 )	{		strFormat += _T("\r\n\r\n");		strFormat += value;		strFormat +=  _T("\r\n");	}	else	{		//; filename=\"goodbye.wmv\"		CString szTmp = _T("; filename=\"filename.abc\"");		szTmp.Replace("filename.abc",m_sVidefile);		strFormat += szTmp;		strFormat +=  _T("\r\nContent-Type: application/octet-stream\r\n\r\n");	}	return strFormat;}CString CYTBUploaderDlg::xMakepostdata( CString szBoundary ){	//CString szBoundary = xGenBoundary();	CString szPostdata;	szPostdata += xGenonefieldPostdata(szBoundary,"field_myvideo_title","YTB_TITLE");	szPostdata += xGenonefieldPostdata(szBoundary,"field_myvideo_keywords","YTB_TAG");	szPostdata += xGenonefieldPostdata(szBoundary,"field_myvideo_descr","YTB_DESC");	szPostdata += xGenonefieldPostdata(szBoundary,"language","EN");	szPostdata += xGenonefieldPostdata(szBoundary,"field_myvideo_categories","2");	szPostdata += xGenonefieldPostdata(szBoundary,"field_privacy","public");	szPostdata += xGenonefieldPostdata(szBoundary,"allow_embedding","YES");	szPostdata += xGenonefieldPostdata(szBoundary,"allow_ratings","YES");	szPostdata += xGenonefieldPostdata(szBoundary,"allow_responses","YES");	szPostdata += xGenonefieldPostdata(szBoundary,"allow_comments","YES");	szPostdata += xGenonefieldPostdata(szBoundary,"session_token","");	szPostdata += xGenonefieldPostdata(szBoundary,"action_upload","1");	szPostdata += xGenonefieldPostdata(szBoundary,"addresser",m_szAddress);	szPostdata += xGenonefieldPostdata(szBoundary,"field_command","myvideo_submit");	//szPostdata += xGenonefieldPostdata(szBoundary,"field_uploadfile",m_sVidefile); 		CString szEnd = _T("\r\nContent-Type: application/octet-stream\r\n\r\n");	szPostdata += szEnd;	return szPostdata;}//dump the response data to html file to do check...//void CYTBUploaderDlg::xDumphtml(CString response){	CString szPath;	CString szfilename = xGenBoundary();	szPath.Format("C:\\%s.html",szfilename);	HANDLE file=(HANDLE)::CreateFile(szPath, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0);	unsigned long nw=0;	WriteFile(file, (const char*)response, response.GetLength(), &nw, NULL);	::CloseHandle(file);}BOOL CYTBUploaderDlg::xGetSessionToken(){		CString szURI = "http://youtube.com/my_videos_upload";	if( m_pIEsession == NULL )  m_pIEsession = new CInternetSession();	m_pIEsession->SetOption(INTERNET_OPTION_CONNECT_TIMEOUT, 2000);	m_pIEsession->SetOption(INTERNET_OPTION_CONNECT_RETRIES, 1);	CString strServer;	CString strObject;	DWORD    dwType = 0;	INTERNET_PORT wPort;	AfxParseURL(szURI, dwType, strServer, strObject, wPort);	CHttpConnection* pHttpConnection = NULL;	CHttpFile *pIEFile = NULL;	try	{		pHttpConnection = m_pIEsession->GetHttpConnection( strServer ,wPort,m_sUsername,m_sPassword );		pIEFile = pHttpConnection->OpenRequest("GET",strObject);//CHttpConnection::HTTP_VERB_GET		DWORD dwErr = GetLastError();		pIEFile->SendRequest();		dwErr = GetLastError();		//Verify code,jack +		CString szRes = xGetresponse( pIEFile );		xDumphtml( szRes );				//find the var gXSRF_token = ' in the szRes and set to m_sSessiontoken		int nPos1 = szRes.Find( "var gXSRF_token = '" );		int nPos2 = szRes.Find("'", nPos1 + 5 );		int nPos3 = szRes.Find("'", nPos2 + 5 );		m_sSessiontoken = szRes.Mid(nPos2+1,nPos3-nPos2-1 );		m_pIEsession->Close();		delete m_pIEsession;		m_pIEsession = NULL;		pHttpConnection->Close();		delete pHttpConnection;		pIEFile->Close();		delete pIEFile;					return TRUE;	}		catch(CInternetException * pEx)	{		char sz[256] = "";		pEx->GetErrorMessage(sz, 25);		CString str;		str.Format("%s", sz);		AfxMessageBox(str);	}			return FALSE;}CString CYTBUploaderDlg::xGetresponse(CHttpFile *phtFile){    DWORD dwResponseLength = phtFile->GetLength();	DWORD dwErr = GetLastError();	LPSTR szResponse;	CString strResponse;	while ( 0 != dwResponseLength )	{	   szResponse = (LPSTR)malloc(dwResponseLength + 1);	   memset(szResponse,0x00,dwResponseLength + 1);	   szResponse[dwResponseLength] = '';	   phtFile->Read(szResponse, dwResponseLength);	   strResponse += szResponse;	   free(szResponse);	   dwResponseLength = phtFile->GetLength();       dwErr = GetLastError();	}	return strResponse;}BOOL CYTBUploaderDlg::xGetURL_Addresser(){	CString szURI = "http://youtube.com/my_videos_upload";	if( m_pIEsession == NULL )  m_pIEsession = new CInternetSession();	m_pIEsession->SetOption(INTERNET_OPTION_CONNECT_TIMEOUT, 2000);	m_pIEsession->SetOption(INTERNET_OPTION_CONNECT_RETRIES, 1);	CString strServer;	CString strObject;	DWORD    dwType = 0;	INTERNET_PORT wPort;	AfxParseURL(szURI, dwType, strServer, strObject, wPort);	CHttpConnection* pHttpConnection = NULL;	CHttpFile *pIEFile = NULL;	try	{		pHttpConnection = m_pIEsession->GetHttpConnection( strServer ,wPort,m_sUsername,m_sPassword );		DWORD dwErr = GetLastError();		pIEFile = pHttpConnection->OpenRequest("POST",strObject);//CHttpConnection::HTTP_VERB_POST		dwErr = GetLastError();				//pIEFile->SendRequest();		//dwErr = GetLastError();			CString strBoundary = xGenBoundary();		CString szPostdata = MakePostArgments( strBoundary );		pIEFile->AddRequestHeaders( MakeRequestHeaders( strBoundary ) );		dwErr = GetLastError();		//1.Write pre post data		/*		CFile ofile;		ofile.Open("C:\\postdataforURL.dat",CFile::modeRead | CFile::shareDenyWrite );		int nLength = ofile.GetLength();		BYTE*  pByte = new BYTE( nLength );		ofile.Read(pByte,nLength);		*/        int nLen = MultiByteToWideChar(CP_UTF8, 0,szPostdata, -1, NULL, NULL);		LPWSTR lpszW = new WCHAR[nLen];		MultiByteToWideChar(CP_UTF8, 0, szPostdata, -1, lpszW, nLen);		DWORD dwTotalLength =  nLen;				pIEFile->SendRequestEx(dwTotalLength, HSR_SYNC | HSR_INITIATE);//dwTotalLength		dwErr = GetLastError();		pIEFile->Write(lpszW, nLen );		pIEFile->Flush();		//pIEFile->Write(pByte, nLength );//nLen		dwErr = GetLastError();		delete lpszW;		pIEFile->EndRequest(HSR_SYNC);		CString szRes = xGetresponse( pIEFile );		//Verify code,jack +		xDumphtml( szRes );					int nURLpos2 = szRes.Find("name=\"theForm\"");		int nURLpos1 = szRes.Find("action=\"");		int noldpos = nURLpos1;		while( nURLpos1 ",nAdrpos1);		m_szAddress = szRes.Mid(nAdrpos1+24,nAdrpos2-nAdrpos1);    	//Please get URL and addresser after the above write action...		//Get response and write dresser info to server...		m_pIEsession->Close();		delete m_pIEsession;		m_pIEsession = NULL;		pHttpConnection->Close();		delete pHttpConnection;		pIEFile->Close();		delete pIEFile;					return TRUE;	}		catch(CInternetException * pEx)	{		char sz[256] = "";		pEx->GetErrorMessage(sz, 25);		CString str;		str.Format("%s", sz);		AfxMessageBox(str);	}			return FALSE;}BOOL CYTBUploaderDlg::xUpload_files(){	CString szURI = "http://youtube.com/my_videos_upload";	if( m_pIEsession == NULL )  m_pIEsession = new CInternetSession();	m_pIEsession->SetOption(INTERNET_OPTION_CONNECT_TIMEOUT, 2000);	m_pIEsession->SetOption(INTERNET_OPTION_CONNECT_RETRIES, 1);	CString strServer;	CString strObject;	DWORD    dwType = 0;	INTERNET_PORT wPort;	AfxParseURL(szURI, dwType, strServer, strObject, wPort);	CHttpConnection* pHttpConnection = NULL;	CHttpFile *pIEFile = NULL;		CFile fUploadfile;	if (FALSE == fUploadfile.Open(m_sVidefile, CFile::modeRead | CFile::shareDenyWrite))	{       AfxMessageBox(_T("Unable to open the file."));	   return FALSE;    }	try	{		pHttpConnection = m_pIEsession->GetHttpConnection( strServer ,wPort,m_sUsername,m_sPassword );		DWORD dwErr = GetLastError();		pIEFile = pHttpConnection->OpenRequest("POST",strObject);//CHttpConnection::HTTP_VERB_POST		dwErr = GetLastError();		//pIEFile->SendRequest();		//dwErr = GetLastError();		CString strBoundary = xGenBoundary();		pIEFile->AddRequestHeaders( MakeRequestHeaders( strBoundary ) );		CString szPostdata2 = xMakepostdata( strBoundary );		CString szEndstrem;		szEndstrem.Format("\r\n--%s--\r\n",strBoundary );		dwErr = GetLastError();		//1.Write pre post data        int nLen = MultiByteToWideChar(CP_UTF8, 0,szPostdata2, -1, NULL, NULL);		LPWSTR lpszW = new WCHAR[nLen];		MultiByteToWideChar(CP_UTF8, 0, szPostdata2, -1, lpszW, nLen);	    int nLen2 = MultiByteToWideChar(CP_UTF8, 0,szEndstrem, -1, NULL, NULL);		LPWSTR lpszW2 = new WCHAR[nLen2];		MultiByteToWideChar(CP_UTF8, 0, szEndstrem, -1, lpszW2, nLen2);		DWORD dwTotalLength =  nLen + fUploadfile.GetLength() + nLen2;		m_pIEsession->Close();		delete m_pIEsession;		m_pIEsession = NULL;		pIEFile->SendRequestEx(dwTotalLength, HSR_SYNC | HSR_INITIATE);		dwErr = GetLastError();		pIEFile->Write(lpszW, nLen );		dwErr = GetLastError();		delete lpszW;		//File transfer		{			DWORD dwReadLength = -1;			DWORD dwChunkLength = 32 * 1024;			void* pBuffer;			pBuffer  = malloc(dwChunkLength);			while ( 0 != dwReadLength )			{				CString strDebugMessage;				strDebugMessage.Format(_T("%u / %u\n"), fUploadfile.GetPosition(), fUploadfile.GetLength());				TRACE(strDebugMessage);				dwReadLength = fUploadfile.Read(pBuffer, dwChunkLength);				if ( 0 != dwReadLength )				{					pIEFile->Write(pBuffer, dwReadLength);				}			}			free ( pBuffer );		}		pIEFile->Write(lpszW2, nLen2 );		pIEFile->Flush();		dwErr = GetLastError();		delete lpszW2;			pIEFile->EndRequest(HSR_SYNC);		//Verify code,jack +		CString szRes = xGetresponse( pIEFile );		xDumphtml( szRes );					if( szRes.Find("Video Upload - Upload Complete ") != -1 )			AfxMessageBox("Upload complete!");				pHttpConnection->Close();		delete pHttpConnection;		pIEFile->Close();		delete pIEFile;					return TRUE;	}		catch(CInternetException * pEx)	{		char sz[256] = "";		pEx->GetErrorMessage(sz, 25);		CString str;		str.Format("%s", sz);		AfxMessageBox(str);	}			return FALSE;}
Please review the code above