UINT CMMSSender::PostHTTP(CString csURL, BYTE* strPostData, long lDataSize, CString csHeaders, CString& csRetHeaders, CString& csRetData) { UINT nCode=0; DWORD dwService; CString csServer; CString csPath; INTERNET_PORT nPort; CString csUser; CString csPwd; AfxParseURLEx(csURL,dwService,csServer,csPath,nPort,csUser,csPwd,0); CHttpConnection* pConnection = NULL; pConnection=m_pSession->GetHttpConnection(csServer,0, nPort, NULL, NULL); if(pConnection) { BOOL bResult=FALSE; CHttpFile* pFile = NULL; pFile=pConnection->OpenRequest(CHttpConnection::HTTP_VERB_POST,csPath,NULL,1,NULL,"HTTP/1.1",INTERNET_FLAG_NO_AUTO_REDIRECT); if(pFile) { try { bResult=pFile->SendRequest(csHeaders, strPostData, lDataSize); if(bResult) { CString csCode; pFile->QueryInfo(HTTP_QUERY_STATUS_CODE,csCode); nCode=atoi(csCode); CString csHeaders; pFile->QueryInfo(HTTP_QUERY_RAW_HEADERS_CRLF,csRetHeaders); csRetData=ReadData(pFile); } } catch(CInternetException* e) { } pFile->Close(); delete pFile; } pConnection->Close(); delete pConnection; } return nCode; }
UINT CCopiagenda::GetHTTPS(CString csURL, CString csHeaders, CString& csRetHeaders, CString& csRetData) { UINT nCode; DWORD dwService; CString csServer; CString csPath; INTERNET_PORT nPort; CString csUser; CString csPwd; AfxParseURLEx(csURL,dwService,csServer,csPath,nPort,csUser,csPwd,0); CHttpConnection* pConnection = NULL; pConnection=m_pSession->GetHttpConnection(csServer,INTERNET_FLAG_RELOAD|INTERNET_FLAG_DONT_CACHE|INTERNET_FLAG_KEEP_CONNECTION|INTERNET_FLAG_SECURE,nPort, NULL, NULL); if(pConnection) { BOOL bResult=FALSE; CHttpFile* pFile = NULL; pFile=pConnection->OpenRequest(CHttpConnection::HTTP_VERB_GET,csPath,NULL,1,NULL,"HTTP/1.1",INTERNET_FLAG_EXISTING_CONNECT|INTERNET_FLAG_RELOAD|INTERNET_FLAG_DONT_CACHE|INTERNET_FLAG_KEEP_CONNECTION|INTERNET_FLAG_NO_AUTO_REDIRECT|INTERNET_FLAG_SECURE); if(pFile) { try { bResult=pFile->SendRequest(csHeaders, NULL, 0); if(bResult) { CString csCode; pFile->QueryInfo(HTTP_QUERY_STATUS_CODE,csCode); nCode=atoi(csCode); pFile->QueryInfo(HTTP_QUERY_RAW_HEADERS_CRLF,csRetHeaders); csRetData=ReadData(pFile); } } catch(CInternetException* e) { } pFile->Close(); delete pFile; } pConnection->Close(); delete pConnection; } return nCode; }
CString C51JobWebPost::GeHttptFile(const char *url) { CString szContent; char strProxyList[MAX_PATH], strUsername[64], strPassword[64]; //in this case "proxya" is the proxy server name, "8080" is its port strcpy(strProxyList, "125.41.181.59:8080"); strcpy(strUsername, "myusername"); strcpy(strPassword, "mypassword"); DWORD dwServiceType = AFX_INET_SERVICE_HTTP; CString szServer, szObject; INTERNET_PORT nPort; AfxParseURL(url, dwServiceType, szServer, szObject, nPort); CInternetSession mysession; CHttpConnection* pConnection; CHttpFile* pHttpFile; INTERNET_PROXY_INFO proxyinfo; proxyinfo.dwAccessType = INTERNET_OPEN_TYPE_PROXY; proxyinfo.lpszProxy = strProxyList; proxyinfo.lpszProxyBypass = NULL; mysession.SetOption(INTERNET_OPTION_PROXY, (LPVOID)&proxyinfo, sizeof(INTERNET_PROXY_INFO)); pConnection = mysession.GetHttpConnection("125.41.181.59", INTERNET_FLAG_KEEP_CONNECTION, 8080, NULL, NULL); pHttpFile = pConnection->OpenRequest("GET",url, NULL, 0, NULL, NULL, INTERNET_FLAG_KEEP_CONNECTION); //here for proxy //pHttpFile->SetOption(INTERNET_OPTION_PROXY_USERNAME, strUsername, strlen(strUsername)+1); //pHttpFile->SetOption(INTERNET_OPTION_PROXY_PASSWORD, strPassword, strlen(strPassword)+1); pHttpFile->SendRequest(NULL); DWORD nFileSize = pHttpFile->GetLength(); LPSTR rbuf = szContent.GetBuffer(nFileSize); UINT uBytesRead = pHttpFile->Read(rbuf, nFileSize); szContent.ReleaseBuffer(); pHttpFile->Close(); delete pHttpFile; pConnection->Close(); delete pConnection; mysession.Close(); return szContent; }
int _tmain(int argc, TCHAR* argv[], TCHAR* envp[]) { int nRetCode = 0; if (!AfxWinInit(::GetModuleHandle(NULL), NULL, ::GetCommandLine(), 0)) { _tprintf(_T("Fatal Error: MFC initialization failed\n")); nRetCode = 1; } else { CInternetSession ses; CHttpConnection * con; CHttpFile * file1=NULL; INTERNET_PORT port=80; const bufmax=10000; char buf[bufmax]; int rec; try { //соединение с Web-сервером con=ses.GetHttpConnection("localhost/P-Lib",port); //определяем запрос file1=con->OpenRequest(1, "index.htm"); //послать запрос file1->SendRequest(); do { //читаем порцию или всю rec=file1->Read(buf,bufmax-1); buf[rec]='\0'; printf("%s",buf); }while(rec>0); } catch(CInternetException *pe) { printf("Error!\n"); return -1; } con->Close(); delete file1; } return nRetCode; }
int main(int argc, char* argv[]) { ShowBanner(); if (!AfxWinInit(::GetModuleHandle(NULL), NULL, ::GetCommandLine(), 0)) { cerr << _T("MFC Failed to initialize.\n"); return 1; } if (argc < 2 || !ParseOptions(argc, argv) || pszURL == NULL) ShowUsage(); int nRetCode = 0; CTearSession session(_T("TEAR - MFC Sample App"), dwAccessType); CHttpConnection* pServer = NULL; CHttpFile* pFile = NULL; try { // check to see if this is a reasonable URL CString strServerName; CString strObject; INTERNET_PORT nPort; DWORD dwServiceType; if (!AfxParseURL(pszURL, dwServiceType, strServerName, strObject, nPort) || dwServiceType != INTERNET_SERVICE_HTTP) { cerr << _T("Error: can only use URLs beginning with http://") << endl; ThrowTearException(1); } if (bProgressMode) { cerr << _T("Opening Internet..."); VERIFY(session.EnableStatusCallback(TRUE)); } pServer = session.GetHttpConnection(strServerName, nPort); pFile = pServer->OpenRequest(CHttpConnection::HTTP_VERB_GET, strObject, NULL, 1, NULL, NULL, dwHttpRequestFlags); pFile->AddRequestHeaders(szHeaders); pFile->SendRequest(); DWORD dwRet; pFile->QueryInfoStatusCode(dwRet); // if access was denied, prompt the user for the password if (dwRet == HTTP_STATUS_DENIED) { DWORD dwPrompt; dwPrompt = pFile->ErrorDlg(NULL, ERROR_INTERNET_INCORRECT_PASSWORD, FLAGS_ERROR_UI_FLAGS_GENERATE_DATA | FLAGS_ERROR_UI_FLAGS_CHANGE_OPTIONS, NULL); // if the user cancelled the dialog, bail out if (dwPrompt != ERROR_INTERNET_FORCE_RETRY) { cerr << _T("Access denied: Invalid password\n"); ThrowTearException(1); } pFile->SendRequest(); pFile->QueryInfoStatusCode(dwRet); } CString strNewLocation; pFile->QueryInfo(HTTP_QUERY_RAW_HEADERS_CRLF, strNewLocation); // were we redirected? // these response status codes come from WININET.H if (dwRet == HTTP_STATUS_MOVED || dwRet == HTTP_STATUS_REDIRECT || dwRet == HTTP_STATUS_REDIRECT_METHOD) { CString strNewLocation; pFile->QueryInfo(HTTP_QUERY_RAW_HEADERS_CRLF, strNewLocation); int nPlace = strNewLocation.Find(_T("Location: ")); if (nPlace == -1) { cerr << _T("Error: Site redirects with no new location") << endl; ThrowTearException(2); } strNewLocation = strNewLocation.Mid(nPlace + 10); nPlace = strNewLocation.Find('\n'); if (nPlace > 0) strNewLocation = strNewLocation.Left(nPlace); // close up the redirected site pFile->Close(); delete pFile; pServer->Close(); delete pServer; if (bProgressMode) { cerr << _T("Caution: redirected to "); cerr << (LPCTSTR) strNewLocation << endl; } // figure out what the old place was if (!AfxParseURL(strNewLocation, dwServiceType, strServerName, strObject, nPort)) { cerr << _T("Error: the redirected URL could not be parsed.") << endl; ThrowTearException(2); } if (dwServiceType != INTERNET_SERVICE_HTTP) { cerr << _T("Error: the redirected URL does not reference a HTTP resource.") << endl; ThrowTearException(2); } // try again at the new location pServer = session.GetHttpConnection(strServerName, nPort); pFile = pServer->OpenRequest(CHttpConnection::HTTP_VERB_GET, strObject, NULL, 1, NULL, NULL, dwHttpRequestFlags); pFile->AddRequestHeaders(szHeaders); pFile->SendRequest(); pFile->QueryInfoStatusCode(dwRet); if (dwRet != HTTP_STATUS_OK) { cerr << _T("Error: Got status code ") << dwRet << endl; ThrowTearException(2); } } cerr << _T("Status Code is ") << dwRet << endl; TCHAR sz[1024]; while (pFile->ReadString(sz, 1023)) { if (bStripMode) StripTags(sz); cout << sz; } // NOTE: Since HTTP servers normally spit back plain text, the // above code (which reads line by line) is just fine. However, // other data sources (eg, FTP servers) might provide binary data // which should be handled a buffer at a time, like this: #if 0 while (nRead > 0) { sz[nRead] = '\0'; if (bStripMode) StripTags(sz); cout << sz; nRead = pFile->Read(sz, 1023); } #endif pFile->Close(); pServer->Close(); } catch (CInternetException* pEx) { // catch errors from WinINet TCHAR szErr[1024]; pEx->GetErrorMessage(szErr, 1024); cerr << _T("Error: (") << pEx->m_dwError << _T(") "); cerr << szErr << endl; nRetCode = 2; pEx->Delete(); } catch (CTearException* pEx) { // catch things wrong with parameters, etc nRetCode = pEx->m_nErrorCode; TRACE1("Error: Exiting with CTearException(%d)\n", nRetCode); pEx->Delete(); } if (pFile != NULL) delete pFile; if (pServer != NULL) delete pServer; session.Close(); return nRetCode; }
string GetData(const char * url, const string referer) { CInternetSession session("Mozilla/4.0"); session.SetOption(INTERNET_OPTION_CONNECT_TIMEOUT, 10*1000); CHttpConnection * pServer = NULL; CHttpFile* pFile = NULL; bool bProgressMode = false; bool bStripMode = false; string line = ""; try { CString strServerName; CString strObject; INTERNET_PORT nPort; DWORD dwServiceType; if (!AfxParseURL(url, dwServiceType, strServerName, strObject, nPort) || dwServiceType != INTERNET_SERVICE_HTTP) { TRACE( _T("Error: can only use URLs beginning with http://") ); return "request failed - can only use URLs beginning with http://"; } if (bProgressMode) { TRACE("Opening Internet...%s\n", url); VERIFY(session.EnableStatusCallback(TRUE)); } pServer = session.GetHttpConnection(strServerName, nPort); string file = url; int file_start = -1; if(file.length() > 8) { file_start = (int)file.find("//"); file_start = (int)file.find("/", file_start+2); if(file_start > (int)file.length()) file_start = -1; } if(file_start > 0) file = file.substr(file_start); else file = ""; LPCTSTR ref = NULL; if(referer != "") ref = referer.c_str(); pFile = pServer->OpenRequest(CHttpConnection::HTTP_VERB_GET,file.c_str(), ref); SetCookie(&session, url); pFile->SendRequest(); DWORD dwRet; pFile->QueryInfoStatusCode(dwRet); // if access was denied, prompt the user for the password if (dwRet == HTTP_STATUS_DENIED) { DWORD dwPrompt; dwPrompt = pFile->ErrorDlg(NULL, ERROR_INTERNET_INCORRECT_PASSWORD, FLAGS_ERROR_UI_FLAGS_GENERATE_DATA | FLAGS_ERROR_UI_FLAGS_CHANGE_OPTIONS, NULL); // if the user cancelled the diaTRACE, bail out if (dwPrompt != ERROR_INTERNET_FORCE_RETRY) { TRACE( _T("Access denied: Invalid password")); return "request failed - Access denied: Invalid password"; } pFile->SendRequest(); pFile->QueryInfoStatusCode(dwRet); } CString strNewLocation; pFile->QueryInfo(HTTP_QUERY_RAW_HEADERS_CRLF, strNewLocation); // were we redirected? // these response status codes come from WININET.H if (dwRet == HTTP_STATUS_MOVED || dwRet == HTTP_STATUS_REDIRECT || dwRet == HTTP_STATUS_REDIRECT_METHOD) { CString strNewLocation; pFile->QueryInfo(HTTP_QUERY_RAW_HEADERS_CRLF, strNewLocation); int nPlace = strNewLocation.Find(_T("Location: ")); if (nPlace == -1) { TRACE( _T("Error: Site redirects with no new location") ); return "request failed - Site redirects with no new location"; } strNewLocation = strNewLocation.Mid(nPlace + 10); nPlace = strNewLocation.Find('\n'); if (nPlace > 0) strNewLocation = strNewLocation.Left(nPlace); // close up the redirected site pFile->Close(); delete pFile; pServer->Close(); delete pServer; if (bProgressMode) { TRACE( _T("Caution: redirected to ")); TRACE( (LPCTSTR) strNewLocation ); } // figure out what the old place was if (!AfxParseURL(strNewLocation, dwServiceType, strServerName, strObject, nPort)) { TRACE( _T("Error: the redirected URL could not be parsed.") ); return "request failed - the redirected URL could not be parsed."; } if (dwServiceType != INTERNET_SERVICE_HTTP) { TRACE( _T("Error: the redirected URL does not reference a HTTP resource.") ); return "request failed - the redirected URL does not reference a HTTP resource"; } // try again at the new location pServer = session.GetHttpConnection(strServerName, nPort); pFile = pServer->OpenRequest(CHttpConnection::HTTP_VERB_GET, strObject); pFile->SendRequest(); pFile->QueryInfoStatusCode(dwRet); if (dwRet != HTTP_STATUS_OK) { //TRACE( _T("Error: Got status code ") dwRet ); return "request failed - Got status code " + dwRet; } } TCHAR sz[1024]; sz[1023] = 0; while (pFile->ReadString(sz, 1023)) { line += sz; } SetCookie(&session, strServerName); SetCookie(&session, url); } catch (exception e) { TRACE(e.what()); line = "request failed - status code N/A"; } catch (CInternetException *e) { TCHAR error[256]; if(e->GetErrorMessage(error, 256)) { TRACE(error); } e->Delete(); e = NULL; line = "request failed - status code N/A"; } if(pServer != NULL) { pServer->Close(); delete pServer; pServer = NULL; } if(pFile != NULL) { pFile->Close(); delete pFile; pFile = NULL; } return line; }
int GetHTTPData(const char * url, unsigned short **body, string referer, bool b_post, string post_data) { CInternetSession session("Azereus 2.2.0.2"); //DWORD dwValue; //session.QueryOption(INTERNET_OPTION_CONNECT_TIMEOUT, dwValue); //TRACE("timeout: %d\n", dwValue ); session.SetOption(INTERNET_OPTION_CONNECT_TIMEOUT, 10*1000); CHttpConnection * pServer = NULL; CHttpFile* pFile = NULL; bool bProgressMode = false; bool bStripMode = false; bool isGzipped = false; string line = ""; int size = 0; unsigned short * buf = *body; try { CString strServerName; CString strObject; INTERNET_PORT nPort; DWORD dwServiceType; if (!AfxParseURL(url, dwServiceType, strServerName, strObject, nPort) || dwServiceType != INTERNET_SERVICE_HTTP) { //TRACE("Error: can only use URLs beginning with http://\n"); //TRACE("URL: '%s'\n", url); line = "request failed - can only use URLs beginning with http://"; } if (bProgressMode) { TRACE( _T("Opening Internet...")); VERIFY(session.EnableStatusCallback(TRUE)); } pServer = session.GetHttpConnection(strServerName, INTERNET_FLAG_DONT_CACHE, nPort); string file = url; int file_start = -1; if(file.length() > 8) { file_start = (int)file.find("//"); file_start = (int)file.find("/", file_start+2); } if(file_start > 0) file = file.substr(file_start); else file = ""; if(!b_post) { pFile = pServer->OpenRequest(CHttpConnection::HTTP_VERB_GET,file.c_str(), referer.c_str()); string header = "Accept: text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5\r\n"; header += "Accept-Language: en-us,en;q=0.5\n\r"; header += "Accept-Encoding: gzip\r\n"; header += "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7\n\r"; pFile->SendRequest(header.c_str(),(DWORD)header.length()); } else { pFile = pServer->OpenRequest(CHttpConnection::HTTP_VERB_POST, file.c_str(), referer.c_str()); string header = "Content-Type: application/x-www-form-urlencoded\n\r"; pFile->SendRequest(header.c_str(),(DWORD)header.length(),(LPVOID)post_data.c_str(), (DWORD)post_data.length() ); } DWORD dwRet; pFile->QueryInfoStatusCode(dwRet); // if access was denied, prompt the user for the password if (dwRet == HTTP_STATUS_DENIED) { DWORD dwPrompt; dwPrompt = pFile->ErrorDlg(NULL, ERROR_INTERNET_INCORRECT_PASSWORD, FLAGS_ERROR_UI_FLAGS_GENERATE_DATA | FLAGS_ERROR_UI_FLAGS_CHANGE_OPTIONS, NULL); // if the user cancelled the diaTRACE, bail out if (dwPrompt != ERROR_INTERNET_FORCE_RETRY) { TRACE(_T("Access denied: Invalid password\n")); line = "request failed - Access denied: Invalid password"; } pFile->SendRequest(); pFile->QueryInfoStatusCode(dwRet); } CString strNewLocation; pFile->QueryInfo(HTTP_QUERY_RAW_HEADERS_CRLF, strNewLocation); // were we redirected? // these response status codes come from WININET.H if (dwRet == HTTP_STATUS_MOVED || dwRet == HTTP_STATUS_REDIRECT || dwRet == HTTP_STATUS_REDIRECT_METHOD) { CString strNewLocation; pFile->QueryInfo(HTTP_QUERY_RAW_HEADERS_CRLF, strNewLocation); int nPlace = strNewLocation.Find(_T("Location: ")); if (nPlace == -1) { TRACE( _T("Error: Site redirects with no new location")); line = "request failed - Site redirects with no new location"; } strNewLocation = strNewLocation.Mid(nPlace + 10); nPlace = strNewLocation.Find('\n'); if (nPlace > 0) strNewLocation = strNewLocation.Left(nPlace); // close up the redirected site pFile->Close(); delete pFile; pServer->Close(); delete pServer; if (bProgressMode) { TRACE( _T("Caution: redirected to ")); TRACE((LPCTSTR) strNewLocation); } // figure out what the old place was if (!AfxParseURL(strNewLocation, dwServiceType, strServerName, strObject, nPort)) { TRACE(_T("Error: the redirected URL could not be parsed.")); line = "request failed - the redirected URL could not be parsed."; } if (dwServiceType != INTERNET_SERVICE_HTTP) { TRACE(_T("Error: the redirected URL does not reference a HTTP resource.")); line = "request failed - the redirected URL does not reference a HTTP resource"; } // try again at the new location pServer = session.GetHttpConnection(strServerName, nPort); if(!b_post) { pFile = pServer->OpenRequest(CHttpConnection::HTTP_VERB_GET, strObject); } else { pFile = pServer->OpenRequest(CHttpConnection::HTTP_VERB_POST, file.c_str()); } //pFile->AddRequestHeaders(szHeaders); pFile->SendRequest(); pFile->QueryInfoStatusCode(dwRet); if (dwRet != HTTP_STATUS_OK) { TRACE(_T("Error: Got status code %d\n"), dwRet); line = "request failed - Got status code " + dwRet; } } CString content_type = ""; pFile->QueryInfo(HTTP_QUERY_RAW_HEADERS_CRLF , content_type); if(content_type.Find(": gzip") > 0) isGzipped = true; const int read_size = 1024; TCHAR sz[read_size+1]; UINT nRead = pFile->Read(sz, read_size); int curPos = 0; size = nRead; int cur_size = 10240; buf = new unsigned short[cur_size]; while (nRead > 0) { if(size > cur_size) { int new_size = cur_size * 2; unsigned short *temp = new unsigned short[new_size]; for(int i = 0; i < cur_size; i++) { temp[i] = buf[i]; } delete [] buf; buf = temp; cur_size = new_size; } for(UINT i = 0; i < nRead; i++) { buf[i+curPos] = sz[i]; } curPos += nRead; nRead = pFile->Read(sz, read_size); size += nRead; } unsigned short * temp = new unsigned short[size+1]; for(int i = 0; i < size; i++) { temp[i] = buf[i]; } delete [] buf; buf = temp; SetCookie(&session, strServerName); SetCookie(&session, url); } catch (exception e) { TRACE(e.what()); line = "request failed - status code N/A"; } catch (CInternetException * e) { TCHAR error[256]; if(e->GetErrorMessage(error, 256)) { //TRACE("URL: '%s'\n", url); TRACE("%s\n", error); } e->Delete(); e = NULL; line = "request failed - status code N/A"; } if(pFile != NULL) { pFile->Flush(); pFile->Close(); delete pFile; pFile = NULL; } if(pServer != NULL) { pServer->Close(); delete pServer; pServer = NULL; } if(isGzipped) { unsigned short *data = NULL; size = UnZip(&data, buf, size); if(size == 0) { delete [] data; data = NULL; } delete [] buf; *body = data; } else *body = buf; return size; }
HRESULT CMainFrame::GetWMEVersionHttp(CString& WMEVersion) { HRESULT RetCode = S_OK; WMEVersion = "0.0.0"; CString Magic = GetRegString(HKEY_CURRENT_USER, DCGF_TOOLS_REG_PATH, "BBID"); CInternetSession Session; CHttpConnection* Server = NULL; CHttpFile* File = NULL; DWORD HttpRequestFlags = INTERNET_FLAG_EXISTING_CONNECT | INTERNET_FLAG_NO_AUTO_REDIRECT; const TCHAR Headers[] = _T("Accept: text/*\r\nUser-Agent: WME ProjectMan\r\n"); CString Url = LOC("/str1086/http://www.dead-code.org/vercheck.php"); CString CurrVer; CurrVer.Format("%d.%d.%03d", DCGF_VER_MAJOR, DCGF_VER_MINOR, DCGF_VER_BUILD); Url += "?product=wme&ver=" + CurrVer; Url += "&bbid=" + Magic; if(DCGF_VER_BETA) Url += "&beta=1"; bool DotNet = RegKeyExists(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\.NETFramework\\policy\\v2.0"); Url += "&dotnet=" + CString(DotNet?"1":"0"); CString ServerName; CString Object; INTERNET_PORT Port; DWORD ServiceType; try{ if(!AfxParseURL(Url, ServiceType, ServerName, Object, Port) || ServiceType != INTERNET_SERVICE_HTTP){ return E_FAIL; } Server = Session.GetHttpConnection(ServerName, Port); File = Server->OpenRequest(CHttpConnection::HTTP_VERB_GET, Object, NULL, 1, NULL, NULL, HttpRequestFlags); File->AddRequestHeaders(Headers); if(File->SendRequest()){ TCHAR sz[1024]; if(File->ReadString(sz, 1023)){ WMEVersion = Entry(1, CString(sz), '\n'); } } File->Close(); Server->Close(); } catch (CInternetException* pEx) { // catch errors from WinINet //TCHAR szErr[1024]; //pEx->GetErrorMessage(szErr, 1024); //MessageBox(szErr, LOC("/str1002/Error"), MB_OK|MB_ICONERROR); RetCode = E_FAIL; pEx->Delete(); } if (File != NULL) delete File; if (Server != NULL) delete Server; Session.Close(); return RetCode; }
//Lets get the file via http DWORD CMyInternetSession::GetWebFile(LPCTSTR pstrAgent, LPCTSTR lpstrServer, int nPort,CString strPathName) { static unsigned short usFileName = 1; //Check what file types we will allow to be requested CString extension = strPathName.Right(3); //get filename CString strFName; int sym = strPathName.ReverseFind('/'); if(sym != 0) { int len = strPathName.GetLength(); strFName = strPathName.Right(len-sym-1); } else strFName = strPathName; if(extension == "exe") { return 0; } if(extension == "com") { return 0; } if (extension == "dll") { return 0; } if (extension == "bat") { return 0; } if (extension == "sys") { return 0; } if (extension == "inf") { return 0; } DWORD dwAccessType = PRE_CONFIG_INTERNET_ACCESS; DWORD dwHttpRequestFlags = INTERNET_FLAG_EXISTING_CONNECT | INTERNET_FLAG_DONT_CACHE; /*string containing the application name that is used to refer client making the request. If this NULL the frame work will call the global function AfxGetAppName which returns the application name.*/ //LPCTSTR pstrAgent = NULL; //the verb we will be using for this connection //if NULL then GET is assumed LPCTSTR pstrVerb = "GET"; //the address of the url in the request was obtained from LPCTSTR pstrReferer = NULL; //Http version we are using; NULL = HTTP/1.0 LPCTSTR pstrVersion = NULL; //For the Accept request headers if we need them later on //LPCTSTR pstrAcceptTypes = "Accept: audio/x-aiff, audio/basic, audio/midi, audio/mpeg, audio/wav, image/jpeg, image/gif, image/jpg, image/png, image/mng, image/bmp, text/plain, text/html, text/htm\r\n"; LPCTSTR pstrAcceptTypes = NULL; CString szHeaders = "Accept: audio/x-aiff, audio/basic, audio/midi, audio/mpeg, audio/wav, image/jpeg, image/gif, image/jpg, image/png, image/mng, image/bmp, text/plain, text/html, text/htm\r\n"; //the server port we need changed //nPort = INTERNET_INVALID_PORT_NUMBER unsigned short usPort = nPort; //Username we will use if a secure site comes into play LPCTSTR pstrUserName = NULL; //The password we will use LPCTSTR pstrPassword = NULL; //CInternetSession flags if we need them //DWORD dwFlags = INTERNET_FLAG_ASYNC; DWORD dwFlags = NULL; //Proxy setting if we need them LPCTSTR pstrProxyName = NULL; LPCTSTR pstrProxyBypass = NULL; CMyInternetSession session(pstrAgent, dwAccessType, pstrProxyName, pstrProxyBypass, dwFlags); //Set any CInternetSession options we may need int ntimeOut = 30; session.SetOption(INTERNET_OPTION_CONNECT_TIMEOUT,1000* ntimeOut); session.SetOption(INTERNET_OPTION_CONNECT_BACKOFF,1000); session.SetOption(INTERNET_OPTION_CONNECT_RETRIES,1); //Enable or disable status callbacks session.EnableStatusCallback(TRUE); CHttpConnection* pServer = NULL; CHttpFile* pFile = NULL; DWORD dwRet; try { pServer = session.GetHttpConnection(lpstrServer, usPort, pstrUserName, pstrPassword); pFile = pServer->OpenRequest(pstrVerb, strPathName, pstrReferer, 1, &pstrAcceptTypes, pstrVersion, dwHttpRequestFlags); pFile->AddRequestHeaders(szHeaders); pFile->AddRequestHeaders("User-Agent: GetWebFile/1.0\r\n", HTTP_ADDREQ_FLAG_ADD_IF_NEW); pFile->SendRequest(); pFile->QueryInfoStatusCode(dwRet);//Check wininet.h for info //about the status codes if (dwRet == HTTP_STATUS_DENIED) { return dwRet; } if (dwRet == HTTP_STATUS_MOVED || dwRet == HTTP_STATUS_REDIRECT || dwRet == HTTP_STATUS_REDIRECT_METHOD) { CString strNewAddress; //again check wininet.h for info on the query info codes //there is alot one can do and re-act to based on these codes pFile->QueryInfo(HTTP_QUERY_RAW_HEADERS_CRLF, strNewAddress); int nPos = strNewAddress.Find(_T("Location: ")); if (nPos == -1) { return 0; } strNewAddress = strNewAddress.Mid(nPos + 10); nPos = strNewAddress.Find('\n'); if (nPos > 0) strNewAddress = strNewAddress.Left(nPos); pFile->Close(); delete pFile; pServer->Close(); delete pServer; CString strServerName; CString strObject; INTERNET_PORT nNewPort; DWORD dwServiceType; if (!AfxParseURL(strNewAddress, dwServiceType, strServerName, strObject, nNewPort)) { return 0; } pServer = session.GetHttpConnection(strServerName, nNewPort, pstrUserName, pstrPassword); pFile = pServer->OpenRequest(pstrVerb, strObject, pstrReferer, 1, &pstrAcceptTypes, pstrVersion, dwHttpRequestFlags); pFile->AddRequestHeaders(szHeaders); pFile->SendRequest(); pFile->QueryInfoStatusCode(dwRet); if (dwRet != HTTP_STATUS_OK) { return dwRet; } } if(dwRet == HTTP_STATUS_OK) { int len = pFile->GetLength(); char buf[2000]; int numread; CString filepath; filepath.Format("%s\\%03d.djvu",m_strDownloadDirectory,usFileName); CFile myfile(filepath, CFile::modeCreate|CFile::modeWrite|CFile::typeBinary); while ((numread = pFile->Read(buf,sizeof(buf)-1)) > 0) { buf[numread] = '\0'; strFName += buf; myfile.Write(buf, numread); } myfile.Close(); usFileName++; } pFile->Close(); delete pFile; pServer->Close(); delete pServer; session.Close(); } catch (CInternetException* pEx) { // catch any exceptions from WinINet TCHAR szErr[1024]; szErr[0] = '\0'; if(!pEx->GetErrorMessage(szErr, 1024)) strcpy(szErr,"Some crazy unknown error"); TRACE("File transfer failed!! - %s",szErr); pEx->Delete(); if(pFile) delete pFile; if(pServer) delete pServer; session.Close(); return 0; } return dwRet; }
BOOL http_command(char *url, char *cmd, int timeout, char *uid, char *pwd, char *pserver, int pport, char *puid, char *ppwd, char *szReturn) { BOOL bResult = TRUE; CString strCmdInfo = _T(""); CString strRemoteUrl = _T(""); CInternetSession *psession = NULL; CHttpConnection* pServer = NULL; CHttpFile* pFile = NULL; if(*pserver) { char pbuff[256] = {0}; sprintf(pbuff, "%s:%d", pserver, pport); psession = new CInternetSession("WinInet", 1, INTERNET_OPEN_TYPE_PROXY, pbuff, NULL, 0); } else { psession = new CInternetSession("WinInet"); } try { CString strServerName; CString strObject; INTERNET_PORT nPort; DWORD dwServiceType; strCmdInfo.Format("echo %s;%s;echo %s", C_STA, cmd, C_END); strCmdInfo.Replace(' ', '+'); strRemoteUrl.Format("%s?%s", url, strCmdInfo); if (!AfxParseURL(strRemoteUrl, dwServiceType, strServerName, strObject, nPort) || dwServiceType != INTERNET_SERVICE_HTTP) { sprintf(szReturn, "%s", FuncGetStringFromIDS("<%IDS_Utils_1%>"));//<%IDS_Utils_1%> return FALSE; } pServer = psession->GetHttpConnection(strServerName, nPort); pFile = pServer->OpenRequest(CHttpConnection::HTTP_VERB_GET, strObject, NULL, 1, NULL, NULL, INTERNET_FLAG_EXISTING_CONNECT | INTERNET_FLAG_NO_AUTO_REDIRECT); if(*puid) { CString User_Pass = _T(""); User_Pass.Format("%s:%s", puid, ppwd); CString strOutput = _T("Proxy-Authorization: Basic "); CBase64 *pBase64 = new CBase64(); strOutput.Insert(strOutput.GetLength(), pBase64->Encode(User_Pass, User_Pass.GetLength())); delete pBase64; pBase64 = NULL; pFile->AddRequestHeaders(strOutput); } pFile->SendRequest(); DWORD dwRet; pFile->QueryInfoStatusCode(dwRet); if(dwRet == HTTP_STATUS_DENIED) { CString User_Pass = _T(""); User_Pass.Insert(User_Pass.GetLength(), uid); User_Pass.Insert(User_Pass.GetLength(), ':'); User_Pass.Insert(User_Pass.GetLength(), pwd); CString strOutput = _T("Authorization: Basic "); CBase64 *pBase64 = new CBase64(); strOutput.Insert(strOutput.GetLength(), pBase64->Encode(User_Pass, User_Pass.GetLength())); delete pBase64; pBase64 = NULL; pFile->AddRequestHeaders(strOutput); pFile->SendRequest(); pFile->QueryInfoStatusCode(dwRet); } if(dwRet == 200) { while(1) { char *ca = NULL, *cb = NULL; char buf[8192] = {0}; int n = pFile->Read(buf, sizeof(buf)); if(n == 0) break; buf[n] = 0; strncat(szReturn, buf, n); if(ca = strstr(szReturn, C_STA)) { if(cb = strstr(szReturn, C_END)) { ca += strlen(C_STA); while(*ca == 0x0A || *ca == 0x0D) ca ++; while(*cb == 0x0A || *cb == 0x0D) cb ++; strncpy(szReturn, ca, cb - ca); szReturn[cb - ca] = 0; break; } } } } else { sprintf(szReturn, "%ld", dwRet); bResult = FALSE; } if(pFile) pFile->Close(); if(pServer) pServer->Close(); } catch (CInternetException* pEx) { TCHAR szErr[1024]; pEx->GetErrorMessage(szErr, 1024); sprintf(szReturn, "%s", szErr); bResult = FALSE; pEx->Delete(); } if (pFile != NULL) delete pFile; if (pServer != NULL) delete pServer; psession->Close(); delete psession; return bResult; }
DWORD CHttpClient::Request(LPCTSTR lpszURL, CString &strPostData, CFile *pFileSave, CString *pstrResult, PROGRESS_CALLBACK fnCallback, void *cookie ) { DWORD dwRet = HTTP_STATUS_BAD_REQUEST; if( NULL == lpszURL || strlen(lpszURL) == 0 ) return dwRet; int nContentLength = 0; int nContentLengthLocal = 0; int nContentLengthFinished = 0; int nContentLengthTotal = 0; // prepare header CString strHeader; CMapStringToString mapHeader; if( pFileSave && pFileSave->GetPosition() > 0 ) { nContentLengthFinished = (int)pFileSave->GetPosition(); CString strRange; strRange.Format( "bytes=%u-", nContentLengthFinished ); mapHeader.SetAt( szRange, strRange ); } if( pstrResult && pstrResult->GetLength() > 0 ) { nContentLengthFinished = pstrResult->GetLength(); CString strRange; strRange.Format( "bytes=%u-", nContentLengthFinished ); mapHeader.SetAt( szRange, strRange ); } if( m_strCookie.GetLength() > 0 ) mapHeader.SetAt( szCookieKey, m_strCookie ); MakeHttpHeader( mapHeader, strHeader ); // default type and flags DWORD dwHttpRequestFlags = INTERNET_FLAG_TRANSFER_BINARY | INTERNET_FLAG_RELOAD | INTERNET_FLAG_DONT_CACHE | INTERNET_FLAG_EXISTING_CONNECT; // | INTERNET_FLAG_KEEP_CONNECTION; CString strProxy; if( !m_strProxyAddress.IsEmpty() ) strProxy = FormatProxyString( m_nProxyType, m_strProxyAddress, m_nProxyPort ); CInternetSession session( szUserAgentValue, 1, m_nAccessType, strProxy, NULL, INTERNET_FLAG_DONT_CACHE ); // 以下SetOption似乎不起作用 if( !strProxy.IsEmpty() && !m_strProxyAddress.IsEmpty() ) { session.SetOption( INTERNET_OPTION_PROXY_USERNAME, (LPVOID)(LPCTSTR)m_strProxyUser, m_strProxyUser.GetLength() ); session.SetOption( INTERNET_OPTION_PROXY_PASSWORD, (LPVOID)(LPCTSTR)m_strProxyPasswd, m_strProxyPasswd.GetLength() ); } session.SetOption( INTERNET_OPTION_RECEIVE_TIMEOUT, 300000 ); session.SetOption( INTERNET_OPTION_SEND_TIMEOUT, 30000 ); session.SetOption( INTERNET_OPTION_CONNECT_TIMEOUT, 30000 ); CHttpConnection* pServer = NULL; CHttpFile* pFile = NULL; try { // check to see if this is a reasonable URL DoOpenURL( lpszURL, dwHttpRequestFlags, strHeader, strPostData, &session, &pServer, &pFile, fnCallback, cookie ); if( NULL == pServer || NULL == pFile ) ThrowTearException( ERR_TEAR_INTERRUPTED ); pFile->QueryInfoStatusCode(dwRet); if (dwRet == HTTP_STATUS_MOVED || dwRet == HTTP_STATUS_REDIRECT || dwRet == HTTP_STATUS_REDIRECT_METHOD) { CString strNewLocation = GetNewLocation( pFile ); // close up the redirected site pFile->Close(); delete pFile; pFile = NULL; pServer->Close(); delete pServer; pServer = NULL; // progress callback if( fnCallback ) fnCallback( PROG_REDIRECTING, 0, NULL, cookie ); // open new url DoOpenURL( strNewLocation, dwHttpRequestFlags, strHeader, strPostData, &session, &pServer, &pFile, fnCallback, cookie ); pFile->QueryInfoStatusCode(dwRet); } if (dwRet == HTTP_STATUS_PARTIAL_CONTENT) dwRet = HTTP_STATUS_OK; if (dwRet != HTTP_STATUS_OK) ThrowTearException( ERR_TEAR_INTERRUPTED ); CString strInfo; pFile->QueryInfo( HTTP_QUERY_SET_COOKIE, strInfo ); pFile->QueryInfo( HTTP_QUERY_COOKIE, strInfo ); if( strInfo.GetLength() ) m_strCookie = strInfo; pFile->QueryInfo( HTTP_QUERY_CONTENT_LENGTH, strInfo ); nContentLength = atol( strInfo ); nContentLengthTotal = nContentLength + nContentLengthFinished; if( pstrResult && nContentLengthTotal > 0 ) pstrResult->GetBuffer( nContentLengthTotal+5 ); DWORD dwCheckSum = 0; BOOL bHasCheckSum = FALSE; CString strCheckSum; pFile->QueryInfo(HTTP_QUERY_RAW_HEADERS_CRLF, strCheckSum); int nPlace = strCheckSum.Find( szCheckSumKeySuffix ); if ( -1 != nPlace ) { strCheckSum = strCheckSum.Mid( nPlace+strlen(szCheckSumKeySuffix) ); nPlace = strCheckSum.Find( '\n' ); if( nPlace > 0 ) { dwCheckSum = atol( strCheckSum.Left( nPlace ) ); bHasCheckSum = TRUE; } } if( fnCallback ) fnCallback( PROG_TRANSFERRING, 0, NULL, cookie ); DWORD dwCheckSumLocal = 0; TCHAR sz[1028]; int nRead = pFile->Read(sz+4, 1023); while (nRead > 0) { sz[4+nRead] = '\0'; if( NULL != pFileSave ) pFileSave->Write( sz+4, nRead ); if( NULL != pstrResult ) *pstrResult += (TCHAR *)(sz+4); nContentLengthLocal += nRead; if( fnCallback && nContentLengthTotal > 0 ) fnCallback( PROG_PROGRESS, DWORD(STKLIB_MAXF_PROGRESS*(nContentLengthFinished+nContentLengthLocal)/nContentLengthTotal), NULL, cookie ); if( bHasCheckSum ) { *((DWORD *)sz) = dwCheckSumLocal; dwCheckSumLocal = CRC32( sz, nRead ); } nRead = pFile->Read(sz+4, 1023); } if( pstrResult && nContentLengthTotal > 0 ) pstrResult->ReleaseBuffer(); if( (nContentLength > 0 && nContentLengthLocal != nContentLength) || (bHasCheckSum && dwCheckSum != dwCheckSumLocal) ) ThrowTearException( ERR_TEAR_DATATRANSFER ); if( fnCallback ) fnCallback( PROG_PROGRESS, STKLIB_MAX_PROGRESS, NULL, cookie ); } catch (CInternetException* pEx) { // catch errors from WinINet if (HTTP_STATUS_OK == dwRet) dwRet = HTTP_STATUS_PARTIAL; TCHAR szErr[1024]; pEx->GetErrorMessage(szErr, 1024); m_strLastErrorMessage = szErr; pEx->Delete(); } catch (CTearException* pEx) { TCHAR szErr[1024]; pEx->GetErrorMessage(szErr, 1024); m_strLastErrorMessage = szErr; pEx->Delete(); } catch( CException * pEx ) { TCHAR szErr[1024]; pEx->GetErrorMessage(szErr, 1024); m_strLastErrorMessage = szErr; pEx->Delete(); } if (pFile != NULL) { pFile->Close(); delete pFile; } if (pServer != NULL) { pServer->Close(); delete pServer; } session.Close(); if(nContentLength > 0 && nContentLengthLocal != nContentLength) return Request( lpszURL, strPostData, pFileSave, pstrResult, fnCallback, cookie ); return dwRet; }
void CHttpClient::DoOpenURL( LPCTSTR lpszURL, DWORD dwHttpRequestFlags, CString &strHeader, CString &strPostData, CInternetSession *pSession, CHttpConnection **ppServer, CHttpFile **ppFile, PROGRESS_CALLBACK fnCallback, void * cookie ) { CString strServerName; CString strObject; INTERNET_PORT nPort; DWORD dwServiceType; int nVerb = (strPostData.GetLength()>0 ? CHttpConnection::HTTP_VERB_POST : CHttpConnection::HTTP_VERB_GET); if (!AfxParseURL(lpszURL, dwServiceType, strServerName, strObject, nPort) || dwServiceType != INTERNET_SERVICE_HTTP) { ThrowTearException( ERR_TEAR_URLFORMAT ); } if( fnCallback ) fnCallback( PROG_HTTPCONNECTTING, 0, NULL, cookie ); CHttpConnection *pServer = pSession->GetHttpConnection(strServerName, dwHttpRequestFlags, nPort, m_strProxyUser, m_strProxyPasswd ); CHttpFile * pFile = pServer->OpenRequest(nVerb, strObject, NULL, 1, NULL, NULL, dwHttpRequestFlags); pFile->AddRequestHeaders(strHeader, HTTP_ADDREQ_FLAG_COALESCE); if( strPostData.GetLength() > 0 ) // post { try { pFile->SendRequestEx( DWORD(strPostData.GetLength()) ); pFile->WriteString(strPostData); pFile->EndRequest(); } catch( CInternetException *pp ) // HTTP_STATUS_BAD_METHOD { pp->Delete(); // close up the redirected site pFile->Close(); delete pFile; pFile = NULL; pServer->Close(); delete pServer; pServer = NULL; pServer = pSession->GetHttpConnection(strServerName, dwHttpRequestFlags, nPort, m_strProxyUser, m_strProxyPasswd ); pFile = pServer->OpenRequest(nVerb, strObject, NULL, 1, NULL, NULL, dwHttpRequestFlags); pFile->AddRequestHeaders(strHeader, HTTP_ADDREQ_FLAG_COALESCE); pFile->SendRequestEx( DWORD(strPostData.GetLength()) ); pFile->WriteString(strPostData); pFile->EndRequest(); } } else { pFile->SendRequest(); } if( fnCallback ) fnCallback( PROG_REQUESTSENT, 0, NULL, cookie ); // Bad Post method DWORD dwRet = 0; pFile->QueryInfoStatusCode( dwRet ); // if access was denied, prompt the user for the password if (dwRet == HTTP_STATUS_DENIED || dwRet == HTTP_STATUS_PROXY_AUTH_REQ ) { DWORD dwPrompt; dwPrompt = pFile->ErrorDlg(NULL, ERROR_INTERNET_INCORRECT_PASSWORD, FLAGS_ERROR_UI_FILTER_FOR_ERRORS | FLAGS_ERROR_UI_FLAGS_GENERATE_DATA | FLAGS_ERROR_UI_FLAGS_CHANGE_OPTIONS, NULL); // if the user cancelled the dialog, bail out if (dwPrompt != ERROR_INTERNET_FORCE_RETRY) ThrowTearException( ERR_TEAR_CANCEL ); if( strPostData.GetLength() > 0 ) // post { try{ pFile->SendRequestEx( DWORD(strPostData.GetLength()) ); pFile->WriteString(strPostData); pFile->EndRequest(); } catch( CInternetException *pp ) // HTTP_STATUS_BAD_METHOD { pp->Delete(); pFile->SendRequestEx( DWORD(strPostData.GetLength()) ); pFile->WriteString(strPostData); pFile->EndRequest(); } } else { pFile->SendRequest(); } pFile->QueryInfoStatusCode(dwRet); } if( dwRet == HTTP_STATUS_BAD_METHOD ) { // close up the redirected site pFile->Close(); delete pFile; pFile = NULL; pServer->Close(); delete pServer; pServer = NULL; pServer = pSession->GetHttpConnection(strServerName, dwHttpRequestFlags, nPort, m_strProxyUser, m_strProxyPasswd ); pFile = pServer->OpenRequest(CHttpConnection::HTTP_VERB_GET, strObject, NULL, 1, NULL, NULL, dwHttpRequestFlags); pFile->AddRequestHeaders(strHeader, HTTP_ADDREQ_FLAG_COALESCE); if( strPostData.GetLength() > 0 ) // post { pFile->SendRequestEx( DWORD(strPostData.GetLength()) ); pFile->WriteString(strPostData); pFile->EndRequest(); } else { pFile->SendRequest(); } } *ppServer = pServer; *ppFile = pFile; }
BOOL CDlgView::Download(const CString& strFileURLInServer, //待下载文件的URL const CString & strFileLocalFullPath)//存放到本地的路径 { ASSERT(strFileURLInServer != ""); ASSERT(strFileLocalFullPath != ""); CInternetSession session(_T("test")); CHttpConnection* pHttpConnection = NULL; CHttpFile* pHttpFile = NULL; CString strServer, strObject; INTERNET_PORT wPort; DWORD dwType; const int nTimeOut = 2000; session.SetOption(INTERNET_OPTION_CONNECT_TIMEOUT, nTimeOut); //重试之间的等待延时 session.SetOption(INTERNET_OPTION_CONNECT_RETRIES, 1); //重试次数 char* pszBuffer = NULL; try { AfxParseURL(strFileURLInServer, dwType, strServer, strObject, wPort); pHttpConnection = session.GetHttpConnection(strServer, wPort); pHttpFile = pHttpConnection->OpenRequest(CHttpConnection::HTTP_VERB_GET, strObject,NULL,1,NULL,NULL,INTERNET_FLAG_TRANSFER_ASCII|INTERNET_FLAG_RELOAD); if(pHttpFile->SendRequest() == FALSE) return false; DWORD dwStateCode; pHttpFile->QueryInfoStatusCode(dwStateCode); if(dwStateCode == HTTP_STATUS_OK) { HANDLE hFile = CreateFile(strFileLocalFullPath, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); //创建本地文件 if(hFile == INVALID_HANDLE_VALUE) { pHttpFile->Close(); pHttpConnection->Close(); session.Close(); return false; } char szInfoBuffer[1000]; //返回消息 DWORD dwFileSize = 0; //文件长度 DWORD dwInfoBufferSize = sizeof(szInfoBuffer); BOOL bResult = FALSE; bResult = pHttpFile->QueryInfo(HTTP_QUERY_CONTENT_LENGTH, (void*)szInfoBuffer,&dwInfoBufferSize,NULL); dwFileSize = atoi(szInfoBuffer); const int BUFFER_LENGTH = 1024 * 10; pszBuffer = new char[BUFFER_LENGTH]; //读取文件的缓冲 DWORD dwWrite, dwTotalWrite; dwWrite = dwTotalWrite = 0; UINT nRead = pHttpFile->Read(pszBuffer, BUFFER_LENGTH); //读取服务器上数据 while(nRead > 0) { WriteFile(hFile, pszBuffer, nRead, &dwWrite, NULL); //写到本地文件 dwTotalWrite += dwWrite; nRead = pHttpFile->Read(pszBuffer, BUFFER_LENGTH); } delete[]pszBuffer; pszBuffer = NULL; CloseHandle(hFile); } else { delete[]pszBuffer; pszBuffer = NULL; if(pHttpFile != NULL) { pHttpFile->Close(); delete pHttpFile; pHttpFile = NULL; } if(pHttpConnection != NULL) { pHttpConnection->Close(); delete pHttpConnection; pHttpConnection = NULL; } session.Close(); return false; } } catch(...) { delete[]pszBuffer; pszBuffer = NULL; if(pHttpFile != NULL) { pHttpFile->Close(); delete pHttpFile; pHttpFile = NULL; } if(pHttpConnection != NULL) { pHttpConnection->Close(); delete pHttpConnection; pHttpConnection = NULL; } session.Close(); return false; } if(pHttpFile != NULL) pHttpFile->Close(); if(pHttpConnection != NULL) pHttpConnection->Close(); session.Close(); return true; }
//负责接收上传操作的页面的URL ,待上传的本地文件路径 int CWebBase::UploadFile(LPCTSTR strURL, LPCTSTR strLocalFileName) { ASSERT(strURL != NULL && strLocalFileName != NULL); BOOL bResult = FALSE; DWORD dwType = 0; CString strServer; CString strObject; INTERNET_PORT wPort = 0; DWORD dwFileLength = 0; char * pFileBuff = NULL; CHttpConnection * pHC = NULL; CHttpFile * pHF = NULL; CInternetSession cis; bResult = AfxParseURL(strURL, dwType, strServer, strObject, wPort); if(!bResult) { return FALSE; } CFile file; try { if(!file.Open(strLocalFileName, CFile::shareDenyNone | CFile::modeRead)) return FALSE; dwFileLength = file.GetLength(); if(dwFileLength <= 0) return FALSE; pFileBuff = new char[dwFileLength]; memset(pFileBuff, 0, sizeof(char) * dwFileLength); file.Read(pFileBuff, dwFileLength); const int nTimeOut = 5000; cis.SetOption(INTERNET_OPTION_CONNECT_TIMEOUT, nTimeOut); //联接超时设置 cis.SetOption(INTERNET_OPTION_CONNECT_RETRIES, 1); //重试1次 pHC = cis.GetHttpConnection(strServer, wPort); //取得一个Http联接 pHF = pHC->OpenRequest(CHttpConnection::HTTP_VERB_POST, strObject); if(!pHF->SendRequest(NULL, 0, pFileBuff, dwFileLength)) { delete[]pFileBuff; pFileBuff = NULL; pHF->Close(); pHC->Close(); cis.Close(); return FALSE; } DWORD dwStateCode = 0; pHF->QueryInfoStatusCode(dwStateCode); if(dwStateCode == HTTP_STATUS_OK) bResult = TRUE; } catch(CInternetException * pEx) { char sz[256] = ""; pEx->GetErrorMessage(sz, 25); CString str; str.Format("InternetException occur!\r\n%s", sz); AfxMessageBox(str); } catch(...) { DWORD dwError = GetLastError(); CString str; str.Format("Unknow Exception occur!\r\n%d", dwError); AfxMessageBox(str); } delete[]pFileBuff; pFileBuff = NULL; file.Close(); pHF->Close(); pHC->Close(); cis.Close(); return bResult; }
CString CHttpRequest::Download (CString strURL, int nMethod, CString strHeaders, CString strData, CString strFilename, bool* pbCancelDownload, DWORD dwDownloadId, int& nError, int nApproxContentLength, HWND hwndProgress, HWND hwndStatus, CString strMsg) { gl_stkDownloads.push_back (dwDownloadId); bool bUseFile = !strFilename.IsEmpty (); strStatusMsg = bUseFile ? strFilename : strMsg; // show the UI controls if (dwDownloadId == gl_stkDownloads.back ()) { if (hwndProgress != NULL) { ::PostMessage (hwndProgress, PBM_SETPOS, 0, 0); ::ShowWindow (hwndProgress, SW_SHOW); } if (hwndStatus != NULL) ::PostMessage (hwndStatus, SB_SETTEXT, 1, (LPARAM) strStatusMsg.GetBuffer (0)); } /* CString strDisplayFilename, strDisplay; if (!strFilename.IsEmpty () && (pStatus != NULL)) { strcpy (strDisplayFilename.GetBuffer (strFilename.GetLength () + 1), strFilename.GetBuffer (0)); strDisplayFilename.ReleaseBuffer (); // needs ellipsis? CRect r; pStatus->GetWindowRect (&r); r.right -= 300; HDC hdc = ::GetWindowDC (pStatus->GetSafeHwnd ()); ::DrawText (hdc, strDisplayFilename, -1, &r, DT_PATH_ELLIPSIS | DT_MODIFYSTRING); ::ReleaseDC (pStatus->GetSafeHwnd (), hdc); }*/ CHttpConnection* pHttpConnection = NULL; CHttpFile* pHttpFile = NULL; LPVOID lpvoid = NULL; DWORD dwServiceType; CString strServer, strObject; INTERNET_PORT nPort; AfxParseURL (strURL, dwServiceType, strServer, strObject, nPort); // declare CMyInternetSession object CInternetSession InternetSession (NULL, //"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; (R1 1.3))", 1, INTERNET_OPEN_TYPE_PRECONFIG); CString strRetData; try { // establish the HTTP connection pHttpConnection = InternetSession.GetHttpConnection (strServer, nPort, "", ""); // open the HTTP request pHttpFile = pHttpConnection->OpenRequest (nMethod, strObject, NULL, 1, NULL, NULL, INTERNET_FLAG_EXISTING_CONNECT | INTERNET_FLAG_NO_AUTO_REDIRECT | INTERNET_FLAG_TRANSFER_BINARY); if (pHttpFile->SendRequest (strHeaders, strHeaders.GetLength (), static_cast<void*>(strData.GetBuffer (0)), strData.GetLength ())) { DWORD dwRet; // query the HTTP status code pHttpFile->QueryInfoStatusCode (dwRet); if (dwRet >= 400) { nError = dwRet; gl_stkDownloads.remove (dwDownloadId); return ""; } CString strContentLen; LPSTR lpszResult = NULL; UINT nRead = 0, nTotalRead = 0; lpvoid = malloc (HTTPFILE_BUFFLEN); // memory error if (!lpvoid) { AfxMessageBox("Error allocating memory"); if (pHttpConnection) { pHttpConnection->Close(); delete pHttpConnection; } if (pHttpFile) { pHttpFile->Close(); delete pHttpFile; } nError = -1; gl_stkDownloads.remove (dwDownloadId); return ""; } CFile f1; DWORD dwSize; if (!pHttpFile->QueryInfo (HTTP_QUERY_CONTENT_LENGTH, dwSize)) dwSize = nApproxContentLength; if ((dwDownloadId == gl_stkDownloads.back ()) && (hwndProgress != NULL)) ::PostMessage (hwndProgress, PBM_SETRANGE32, 0, dwSize); if (bUseFile) if (!f1.Open (strFilename, CFile::modeCreate | CFile::modeWrite)) { nError = -1; gl_stkDownloads.remove (dwDownloadId); return ""; } DWORD dwStart = GetTickCount (); // read the HTTP response while (nRead = pHttpFile->Read ((byte*) lpvoid + (bUseFile ? 0 : nTotalRead), HTTPFILE_BUFFLEN)) { if (pbCancelDownload != NULL) if (*pbCancelDownload) { // download cancelled if (pHttpConnection) { pHttpConnection->Close(); delete pHttpConnection; } if (pHttpFile) { pHttpFile->Close(); delete pHttpFile; } // delete the file if (bUseFile) { f1.Close (); CFile::Remove (strFilename); } nError = -1; gl_stkDownloads.remove (dwDownloadId); return ""; } nTotalRead += nRead; // store the data if (bUseFile) f1.Write (lpvoid, nRead); else { lpvoid = realloc (lpvoid, nTotalRead + HTTPFILE_BUFFLEN); if (!lpvoid) { AfxMessageBox ("Error allocating memory"); if (pHttpConnection) { pHttpConnection->Close(); delete pHttpConnection; } if (pHttpFile) { pHttpFile->Close(); delete pHttpFile; } nError = -1; gl_stkDownloads.remove (dwDownloadId); return ""; } } // UI Feedback if (dwDownloadId == gl_stkDownloads.back ()) { // update progress control if (hwndProgress != NULL) ::PostMessage (hwndProgress, PBM_SETPOS, nTotalRead, 0); if (hwndStatus != NULL) { strKB.Format (IDS_DOWNLOADSTATUS_KB, nTotalRead / 1024, // KBs read dwSize / 1024); // Total size (KBs) ::PostMessage (hwndStatus, SB_SETTEXT, 2, (LPARAM) strKB.GetBuffer (0)); // percentage if (dwSize != 0) { strPercent.Format (IDS_DOWNLOADSTATUS_PERCENT, nTotalRead * 100 / dwSize); ::PostMessage (hwndStatus, SB_SETTEXT, 3, (LPARAM) strPercent.GetBuffer (0)); } // KB/s strKBs.Format (IDS_DOWNLOADSTATUS_KBS, (double) nTotalRead / 1024.0 / ((GetTickCount () - dwStart) / 1000.0 + 1)); ::PostMessage (hwndStatus, SB_SETTEXT, 4, (LPARAM) strKBs.GetBuffer (0)); } } } if (bUseFile) f1.Close(); else { // get response headers LPSTR lpszBuf = strRetData.GetBuffer (nTotalRead + HTTPFILE_BUFFLEN); DWORD dwBufLen = HTTPFILE_BUFFLEN; pHttpFile->QueryInfo (HTTP_QUERY_RAW_HEADERS_CRLF, lpszBuf, &dwBufLen); // copy contents *((LPSTR) lpvoid + nTotalRead) = 0; strcpy (lpszBuf + dwBufLen - 1, (LPSTR) lpvoid); strRetData.ReleaseBuffer (); } } } catch(CInternetException *e) { //e->ReportError(); char szError[1001]; e->GetErrorMessage (szError, 1000); CString strMsg; strMsg.Format (IDS_ERROR_HTTPREQUEST, strURL.GetBuffer (-1), szError); AfxMessageBox (strMsg, MB_ICONEXCLAMATION); e->Delete(); } // cleanup if (lpvoid) free (lpvoid); if (pHttpFile) { pHttpFile->Close(); delete pHttpFile; } if (pHttpConnection) { pHttpConnection->Close(); delete pHttpConnection; } // hide UI controls if (dwDownloadId == gl_stkDownloads.back ()) { if (hwndProgress != NULL) ::ShowWindow (hwndProgress, SW_HIDE); if (bUseFile) if (hwndStatus != NULL) for (int i = 1; i <= 4; i++) ::PostMessage (hwndStatus, SB_SETTEXT, i, (LPARAM) ""); } gl_stkDownloads.remove (dwDownloadId); return strRetData; }
int CHttpRequest::ConnectUrl(TCHAR *sUrl, TCHAR *sReturn, long *lVersion, int *Count) { ODS(_T("XFILTER.EXE: GetFromUrl Begin... \n")); if(sUrl == NULL) return XERR_INVALID_PARAMETER; CString strServerName; CString strObject; INTERNET_PORT nPort; DWORD dwServiceType; if (!AfxParseURL(sUrl, dwServiceType, strServerName, strObject, nPort) || dwServiceType != INTERNET_SERVICE_HTTP) { ODS(_T("XFILTER.EXE: Internet Invalid Url ...")); return XERR_INTERNET_URL_ERROR; } CInternetSession session(GUI_APP_CLASS_NAME); CHttpConnection *pServer = NULL; CHttpFile *pFile = NULL; int iRet = XERR_SUCCESS; m_IsConnecting = TRUE; try { pServer = session.GetHttpConnection(strServerName, nPort); pFile = pServer->OpenRequest(CHttpConnection::HTTP_VERB_GET, strObject); pFile->AddRequestHeaders(szHeaders); pFile->SendRequest(); DWORD dwRet; pFile->QueryInfoStatusCode(dwRet); if (dwRet >= 400 && dwRet <= 499) { ODS(_T("XFILTER.EXE: Internet Request Error ...")); iRet = XERR_INTERNET_REQUEST_ERROR; } else if(dwRet >= 500 && dwRet <= 599) { ODS(_T("XFILTER.EXE: Internet Server Error ...")); iRet = XERR_INTERNET_SERVER_ERROR; } else if(sReturn != NULL) { pFile->ReadString(sReturn, MAX_NET_COMMAND_LENTH - 1); ODS(sReturn); CString tmpStr = sReturn; long lVer = atol(tmpStr.Left(MAX_NET_COMMAND_VERSION_LENTH)); if(lVer > *lVersion) { *lVersion = lVer; int i = 1; while (i < MAX_NET_COMMAND && pFile->ReadString((sReturn + MAX_NET_COMMAND_LENTH * i), MAX_NET_COMMAND_LENTH - 1)) { ODS(sReturn + i * MAX_NET_COMMAND_LENTH); i ++; } *Count = i; } else { *Count = 1; } } else { CString sRet; pFile->ReadString(sRet); if(sRet.GetAt(0) != '1') iRet = XERR_INTERNET_REG_ERROR; ODS2(_T("XFILTER.EXE: Internet User Register Return Value "),sRet); } pFile->Close(); pServer->Close(); } catch(CInternetException* pEx) { pEx->Delete(); iRet = XERR_INTERNET_CONNECT_ERROR; ODS(_T("XFILTER.EXE: GetFromUrl XERR_INTERNET_CONNECT_ERROR... ")); } if (pFile != NULL) delete pFile; if (pServer != NULL) delete pServer; session.Close(); m_IsConnecting = FALSE; ODS(_T("XFILTER.EXE: GetFromUrl End... ")); return iRet; }
BOOL CUpdateThread::Download( LPCTSTR lpszUrl, LPCTSTR lpszSavePath, ULONG uSize) { DWORD dwServiceType; CString strServer; CString strObject; INTERNET_PORT nPort; BOOL bResult = FALSE; if (AfxParseURL(lpszUrl, dwServiceType, strServer, strObject, nPort)) { CHttpConnection *conn = NULL; CHttpFile *file = NULL; UpdateSubProgress(0); try { int flags = INTERNET_FLAG_EXISTING_CONNECT; if (dwServiceType == AFX_INET_SERVICE_HTTPS) { flags |= INTERNET_FLAG_SECURE | INTERNET_FLAG_IGNORE_CERT_CN_INVALID | INTERNET_FLAG_IGNORE_CERT_DATE_INVALID; } conn = m_Session.GetHttpConnection(strServer, nPort); file = conn->OpenRequest(CHttpConnection::HTTP_VERB_GET, strObject, NULL, 1, NULL, NULL, flags); file->SendRequest(); UpdateSubProgress(10); DWORD dwStatus = 0; file->QueryInfoStatusCode(dwStatus); if (dwStatus == 200) { CFile localFile(lpszSavePath, CFile::modeReadWrite | CFile::shareExclusive | CFile::modeCreate); char buf[512]; UINT nCount = 0; ULONG uTotal = 0; while ((nCount = file->Read(buf, 1)) > 0) { localFile.Write(buf, nCount); uTotal += nCount; if (uSize > 0) UpdateSubProgress(10 + 90.0 * uTotal / uSize); } localFile.Close(); bResult = TRUE; } } catch (CException *e) { e->ReportError(); e->Delete(); } if (file) { file->Close(); delete file; } if (conn) { conn->Close(); delete conn; } UpdateSubProgress(100); }; return bResult; }