diff options
Diffstat (limited to 'ui/check_version.cpp')
| -rw-r--r-- | ui/check_version.cpp | 318 |
1 files changed, 0 insertions, 318 deletions
diff --git a/ui/check_version.cpp b/ui/check_version.cpp deleted file mode 100644 index 79fd2507..00000000 --- a/ui/check_version.cpp +++ /dev/null @@ -1,318 +0,0 @@ -// ************************************************************************** -// * This file is part of the FreeFileSync project. It is distributed under * -// * GNU General Public License: http://www.gnu.org/licenses/gpl.html * -// * Copyright (C) Zenju (zenju AT gmx DOT de) - All Rights Reserved * -// ************************************************************************** - -#include "check_version.h" -//#include <memory> -#include <zen/string_tools.h> -#include <zen/i18n.h> -#include <zen/utf.h> -#include <wx/timer.h> -#include <wx/utils.h> -#include <wx+/popup_dlg.h> -#include "../version/version.h" -////#include "../lib/ffs_paths.h" -#include <zen/scope_guard.h> - -#ifdef ZEN_WIN -#include <zen/win.h> //tame wininet include -#include <wininet.h> - -#elif defined ZEN_LINUX || defined ZEN_MAC -#include <wx/protocol/http.h> -#include <wx/sstream.h> -#endif - -using namespace zen; - - -namespace -{ -#ifdef ZEN_WIN -class InternetConnectionError {}; - -class WinInetAccess //using IE proxy settings! :) -{ -public: - WinInetAccess(const wchar_t* url) //throw InternetConnectionError (if url cannot be reached; no need to also call readBytes()) - { - //::InternetAttemptConnect(0) -> not working as expected: succeeds even when there is no internet connection! - - hInternet = ::InternetOpen(L"FreeFileSync", //_In_ LPCTSTR lpszAgent, - INTERNET_OPEN_TYPE_PRECONFIG, //_In_ DWORD dwAccessType, - nullptr, //_In_ LPCTSTR lpszProxyName, - nullptr, //_In_ LPCTSTR lpszProxyBypass, - 0); //_In_ DWORD dwFlags - if (!hInternet) - throw InternetConnectionError(); - zen::ScopeGuard guardInternet = zen::makeGuard([&] { ::InternetCloseHandle(hInternet); }); - - hRequest = ::InternetOpenUrl(hInternet, //_In_ HINTERNET hInternet, - url, //_In_ LPCTSTR lpszUrl, - nullptr, //_In_ LPCTSTR lpszHeaders, - 0, //_In_ DWORD dwHeadersLength, - INTERNET_FLAG_KEEP_CONNECTION | INTERNET_FLAG_RELOAD | INTERNET_FLAG_NO_UI, //_In_ DWORD dwFlags, - 0); //_In_ DWORD_PTR dwContext - if (!hRequest) //won't fail due to unreachable url here! There is no substitute for HTTP_QUERY_STATUS_CODE!!! - throw InternetConnectionError(); - zen::ScopeGuard guardRequest = zen::makeGuard([&] { ::InternetCloseHandle(hRequest); }); - - DWORD statusCode = 0; - DWORD bufferLength = sizeof(statusCode); - if (!::HttpQueryInfo(hRequest, //_In_ HINTERNET hRequest, - HTTP_QUERY_STATUS_CODE | HTTP_QUERY_FLAG_NUMBER, //_In_ DWORD dwInfoLevel, - &statusCode, //_Inout_ LPVOID lpvBuffer, - &bufferLength, //_Inout_ LPDWORD lpdwBufferLength, - nullptr)) //_Inout_ LPDWORD lpdwIndex - throw InternetConnectionError(); - - if (statusCode != HTTP_STATUS_OK) - throw InternetConnectionError(); //e.g. 404 - HTTP_STATUS_NOT_FOUND - - guardRequest .dismiss(); - guardInternet.dismiss(); - } - - ~WinInetAccess() - { - ::InternetCloseHandle(hRequest); - ::InternetCloseHandle(hInternet); - } - - template <class OutputIterator> - OutputIterator readBytes(OutputIterator result) //throw InternetConnectionError - { - //internet says "HttpQueryInfo() + HTTP_QUERY_CONTENT_LENGTH" not supported by all http servers... - const DWORD bufferSize = 64 * 1024; - std::vector<char> buffer(bufferSize); - for (;;) - { - DWORD bytesRead = 0; - if (!::InternetReadFile(hRequest, //_In_ HINTERNET hFile, - &buffer[0], //_Out_ LPVOID lpBuffer, - bufferSize, //_In_ DWORD dwNumberOfBytesToRead, - &bytesRead)) //_Out_ LPDWORD lpdwNumberOfBytesRead - throw InternetConnectionError(); - if (bytesRead == 0) - return result; - - result = std::copy(buffer.begin(), buffer.begin() + bytesRead, result); - } - } - -private: - HINTERNET hInternet; - HINTERNET hRequest; -}; - - -inline -bool canAccessUrl(const wchar_t* url) //throw () -{ - try - { - (void)WinInetAccess(url); //throw InternetConnectionError - return true; - } - catch (const InternetConnectionError&) { return false; } -} - - -template <class OutputIterator> inline -OutputIterator readBytesUrl(const wchar_t* url, OutputIterator result) //throw InternetConnectionError -{ - return WinInetAccess(url).readBytes(result); //throw InternetConnectionError -} -#endif - - -enum GetVerResult -{ - GET_VER_SUCCESS, - GET_VER_NO_CONNECTION, //no internet connection or just Sourceforge down? - GET_VER_PAGE_NOT_FOUND //version file seems to have moved! => trigger an update! -}; - -GetVerResult getOnlineVersion(wxString& version) //empty string on error; -{ -#ifdef ZEN_WIN - //internet access supporting proxy connections - std::vector<char> output; - try - { - readBytesUrl(L"http://freefilesync.sourceforge.net/latest_version.txt", std::back_inserter(output)); //throw InternetConnectionError - } - catch (const InternetConnectionError&) - { - return canAccessUrl(L"http://sourceforge.net/") ? GET_VER_PAGE_NOT_FOUND : GET_VER_NO_CONNECTION; - } - - output.push_back('\0'); - version = utfCvrtTo<wxString>(&output[0]); - return GET_VER_SUCCESS; - -#elif defined ZEN_LINUX || defined ZEN_MAC - wxWindowDisabler dummy; - - auto getStringFromUrl = [](const wxString& server, const wxString& page, int timeout, wxString* output) -> bool //true on successful connection - { - wxHTTP webAccess; - webAccess.SetHeader(L"content-type", L"text/html; charset=utf-8"); - webAccess.SetTimeout(timeout); //default: 10 minutes(WTF are these wxWidgets people thinking???)... - - if (webAccess.Connect(server)) //will *not* fail for non-reachable url here! - { - //wxApp::IsMainLoopRunning(); // should return true - - std::unique_ptr<wxInputStream> httpStream(webAccess.GetInputStream(page)); - //must be deleted BEFORE webAccess is closed - - if (httpStream && webAccess.GetError() == wxPROTO_NOERR) - { - if (output) - { - output->clear(); - wxStringOutputStream outStream(output); - httpStream->Read(outStream); - } - return true; - } - } - return false; - }; - - if (getStringFromUrl(L"freefilesync.sourceforge.net", L"/latest_version.txt", 5, &version)) - return GET_VER_SUCCESS; - - const bool canConnectToSf = getStringFromUrl(L"sourceforge.net", L"/", 1, nullptr); - return canConnectToSf ? GET_VER_PAGE_NOT_FOUND : GET_VER_NO_CONNECTION; -#endif -} - - -const wchar_t VERSION_SEP = L'.'; - -std::vector<size_t> parseVersion(const wxString& version) -{ - std::vector<wxString> digits = split(version, VERSION_SEP); - - std::vector<size_t> output; - std::transform(digits.begin(), digits.end(), std::back_inserter(output), [&](const wxString& d) { return stringTo<size_t>(d); }); - return output; -} - - -bool haveNewerVersion(const wxString& onlineVersion) -{ - std::vector<size_t> current = parseVersion(zen::currentVersion); - std::vector<size_t> online = parseVersion(onlineVersion); - - if (online.empty() || online[0] == 0) //online version may be "This website has been moved..." In this case better check for an update - return true; - - return std::lexicographical_compare(current.begin(), current.end(), - online .begin(), online .end()); -} -} - - -void zen::checkForUpdateNow(wxWindow* parent) -{ - wxString onlineVersion; - switch (getOnlineVersion(onlineVersion)) - { - case GET_VER_SUCCESS: - if (haveNewerVersion(onlineVersion)) - { - switch (showConfirmationDialog(parent, DialogInfoType::INFO, PopupDialogCfg(). - setTitle(_("Check for Program Updates")). - setMainInstructions(_("A new version of FreeFileSync is available:") + L" " + onlineVersion + L"\n\n" + _("Download now?")), - _("&Download"))) - { - case ConfirmationButton::DO_IT: - wxLaunchDefaultBrowser(L"http://freefilesync.sourceforge.net/get_latest.php"); - break; - case ConfirmationButton::CANCEL: - break; - } - } - else - showNotificationDialog(parent, DialogInfoType::INFO, PopupDialogCfg(). - setTitle(_("Check for Program Updates")). - setMainInstructions(_("FreeFileSync is up to date."))); - break; - - case GET_VER_NO_CONNECTION: - showNotificationDialog(parent, DialogInfoType::ERROR2, PopupDialogCfg(). - setTitle(("Check for Program Updates")). - setMainInstructions(_("Unable to connect to sourceforge.net."))); - break; - - case GET_VER_PAGE_NOT_FOUND: - switch (showConfirmationDialog(parent, DialogInfoType::ERROR2, PopupDialogCfg(). - setTitle(_("Check for Program Updates")). - setMainInstructions(_("Cannot find current FreeFileSync version number online. Do you want to check manually?")), - _("&Check"))) - { - case ConfirmationButton::DO_IT: - wxLaunchDefaultBrowser(L"http://freefilesync.sourceforge.net/"); - break; - case ConfirmationButton::CANCEL: - break; - } - break; - } -} - - -void zen::checkForUpdatePeriodically(wxWindow* parent, long& lastUpdateCheck, const std::function<void()>& onBeforeInternetAccess) -{ - if (lastUpdateCheck != -1) - { - if (wxGetLocalTime() >= lastUpdateCheck + 7 * 24 * 3600) //check weekly - { - onBeforeInternetAccess(); //notify client before (potentially) blocking some time - wxString onlineVersion; - switch (getOnlineVersion(onlineVersion)) - { - case GET_VER_SUCCESS: - lastUpdateCheck = wxGetLocalTime(); - - if (haveNewerVersion(onlineVersion)) - { - switch (showConfirmationDialog(parent, DialogInfoType::INFO, PopupDialogCfg(). - setTitle(_("Check for Program Updates")). - setMainInstructions(_("A new version of FreeFileSync is available:") + L" " + onlineVersion + L"\n\n" + _("Download now?")), - _("&Download"))) - { - case ConfirmationButton::DO_IT: - wxLaunchDefaultBrowser(L"http://freefilesync.sourceforge.net/get_latest.php"); - break; - case ConfirmationButton::CANCEL: - break; - } - } - break; - - case GET_VER_NO_CONNECTION: - break; //ignore this error - - case GET_VER_PAGE_NOT_FOUND: - switch (showConfirmationDialog(parent, DialogInfoType::ERROR2, PopupDialogCfg(). - setTitle(_("Check for Program Updates")). - setMainInstructions(_("Cannot find current FreeFileSync version number online. Do you want to check manually?")), - _("&Check"))) - { - case ConfirmationButton::DO_IT: - wxLaunchDefaultBrowser(L"http://freefilesync.sourceforge.net/"); - break; - case ConfirmationButton::CANCEL: - break; - } - break; - } - } - } -} |