Http프로토콜을 이용한 파일 업로드

http서버에 올리는 소스이기 때문에
당연히 서버에 업로드 권한이 있어야 합니다.

void HttpPutFile(LPCTSTR wszServerURL, LPCTSTR wszRemoteFilePath,  
                      LPCTSTR wszLocalFilePath, TCHAR nPort,  
                      LPCTSTR wszLoginUserID, LPCTSTR wszLoginPassword )  
{  
/*  
       TCHAR wszServerURL[100]         = L"solergy.com";  
       TCHAR wszLocalFilePath[100]     = L"\\Program Files\\hanaro\\Sign\_AS\\7250.bmp";  
       TCHAR wszRemoteFilePath[100]  = L"/hanaro/sign/as/7250.bmp";  
       TCHAR wszLoginUserID[100]       = L"";  
       TCHAR wszLoginPassword[100]  = L"";  
       TCHAR nPort                              = 80;  
*/  
       HINTERNET hInternet, hURL, hRequest;  

       // 연결  
       hInternet = InternetOpen( L"HTTPFILE", INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);  
       if ( hInternet == NULL )  
       {  
               MessageBox( NULL, L"인터넷이 연결되어 있지 않습니다.", L"Warning", MB_OK);  
               return;  
       }  

       // url  
       hURL = InternetConnect( hInternet, wszServerURL, nPort,  
                                                       wszLoginUserID, wszLoginPassword,  
                                                       INTERNET_SERVICE_HTTP, 0, 0);  
       if ( hURL==NULL )  
       {  
               InternetCloseHandle( hInternet );  
               MessageBox( NULL, L"서버오류로 연결할 수 없습니다.", L"Warning", MB_OK);  
               return;  
       }  

       INTERNET_BUFFERS        iBuf = {0};  
       iBuf.dwStructSize = sizeof( INTERNET_BUFFERS );  

       hRequest = HttpOpenRequest( hURL, L"PUT", wszRemoteFilePath, NULL, NULL, NULL, 0, 0 );  
       if ( !hRequest )  
       {  
               InternetCloseHandle( hURL );  
               InternetCloseHandle( hInternet );  
               MessageBox( NULL, L"Request open Failed", L"Warning", MB_OK);  
               return;  
       }  

       //  local file 오픈  
       HANDLE hFile;  
       hFile = CreateFile( wszLocalFilePath, GENERIC_READ, FILE_SHARE_READ, NULL,  
                                               OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );  
       if ( hFile == INVALID_HANDLE_VALUE )  
       {  
               MessageBox( NULL, L"Invalid read File", L"warning", MB_OK);  
               InternetCloseHandle( hRequest );  
               InternetCloseHandle( hInternet );  
               InternetCloseHandle( hURL );  
               return;  
       }  


       DWORD dwWritten;  
       DWORD dwFileSize, dwFilePos=0, dwRead;  

       dwFileSize = GetFileSize( hFile, NULL );  
       iBuf.dwBufferTotal = dwFileSize;  

       if( !HttpSendRequestEx( hRequest, &iBuf, NULL, HSR_INITIATE, 0 ) )  
       {  
               MessageBox( NULL, L"SendRequest Failed", L"warning", MB_OK);  
               CloseHandle( hFile );  
               InternetCloseHandle( hRequest );  
               InternetCloseHandle( hInternet );  
               InternetCloseHandle( hURL );  
               return;  
       }  

       char buf[512];  
       DWORD cnt=0;  
       dwFilePos = 0;  
       do  
       {  
               SetFilePointer( hFile, dwFilePos, NULL, FILE_BEGIN );  
               if( !ReadFile( hFile, buf, sizeof(buf), &dwRead, NULL) )  
               {  
                       MessageBox( NULL, L"Local File read error", L"Warning", MB_OK);  
                       break;  
               };  

               InternetSetFilePointer( hRequest, dwFilePos, NULL, FILE_BEGIN, 0 );  
               if( !InternetWriteFile( hRequest, buf, dwRead, &dwWritten ) )  
               {  
                       MessageBox( NULL, L"Remote File write error", L"Warning", MB_OK);  
                       break;  
               };  
               dwFilePos += dwWritten;  

       } while ( dwRead == sizeof(buf) );  


       CloseHandle( hFile );  

       if( !HttpEndRequest( hRequest, NULL, 0, 0 ) )  
       {  
               MessageBox( NULL, L"EndRequest Failed", L"warning", MB_OK);  
       }  

       InternetCloseHandle( hRequest );  
       InternetCloseHandle( hInternet );  
       InternetCloseHandle( hURL );  

}