Textractor_test/extensions/bingtranslate.cpp

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#include "extension.h"
#include <winhttp.h>
#include <QInputDialog>
#include <QTimer>
QStringList languages
{
"English: en",
"Arabic: ar",
"Bosnian: bs-Latn",
"Bulgarian: bg",
"Catalan: ca",
"Chinese(Simplified): zh-CHS",
"Chinese(Traditional): zh-CHT",
"Croatian: hr",
"Czech: cs",
"Danish: da",
"Dutch: nl",
"Estonian: et",
"Finnish: fi",
"French: fr",
"German: de",
"Greek: el",
"Hebrew: he",
"Hindi: hi",
"Hungarian: hu",
"Indonesian: id",
"Italian: it",
"Japanese: ja",
"Klingon: tlh",
"Korean: ko",
"Latvian: lv",
"Lithuanian: lt",
"Malay: ms",
"Maltese: mt",
"Norwegian: no",
"Persian: fa",
"Polish: pl",
"Portuguese: pt",
"Romanian: ro",
"Russian: ru",
"Serbian: sr-Cyrl",
"Slovak: sk",
"Slovenian: sl",
"Spanish: es",
"Swedish: sv",
"Thai: th",
"Turkish: tr",
"Ukranian: uk",
"Urdu: ur",
"Vietnamese: vi",
"Welsh: cy"
};
std::wstring translateTo;
BOOL WINAPI DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
{
switch (ul_reason_for_call)
{
case DLL_PROCESS_ATTACH:
{
QTimer::singleShot(0, []
{
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translateTo = QInputDialog::getItem(
nullptr,
"Select Language",
"What language should Bing translate to?",
languages,
0, false, nullptr,
Qt::WindowCloseButtonHint
).split(" ")[1].toStdWString();
});
}
break;
case DLL_PROCESS_DETACH:
{
}
break;
}
return TRUE;
}
// This function detects language and puts it in translateFrom if it's empty
std::wstring Translate(std::wstring text, std::wstring& translateFrom, std::wstring translateTo)
{
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static HINTERNET internet = NULL;
if (!internet) internet = WinHttpOpen(L"Mozilla/5.0 Textractor", WINHTTP_ACCESS_TYPE_DEFAULT_PROXY, NULL, NULL, 0);
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char utf8[10000] = {};
WideCharToMultiByte(CP_UTF8, 0, text.c_str(), -1, utf8, 10000, NULL, NULL);
text.clear();
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for (int i = 0; utf8[i];)
{
wchar_t utf8char[3] = {};
swprintf_s<3>(utf8char, L"%02X", (int)(unsigned char)utf8[i++]);
text += L"%" + std::wstring(utf8char);
}
std::wstring translation;
if (internet)
{
std::wstring location = translateFrom.empty()
? L"/tdetect?text=" + text
: L"/ttranslate?from=" + translateFrom + L"&to=" + translateTo + L"&text=" + text;
if (HINTERNET connection = WinHttpConnect(internet, L"www.bing.com", INTERNET_DEFAULT_HTTPS_PORT, 0))
{
if (HINTERNET request = WinHttpOpenRequest(connection, L"POST", location.c_str(), NULL, NULL, NULL, WINHTTP_FLAG_ESCAPE_DISABLE | WINHTTP_FLAG_SECURE))
{
if (WinHttpSendRequest(request, NULL, 0, NULL, 0, 0, NULL))
{
DWORD bytesRead;
char buffer[10000] = {};
WinHttpReceiveResponse(request, NULL);
WinHttpReadData(request, buffer, 10000, &bytesRead);
wchar_t wbuffer[10000] = {};
MultiByteToWideChar(CP_UTF8, 0, buffer, -1, wbuffer, 10000);
if (translateFrom.empty()) translateFrom = wbuffer;
// Response formatted as JSON: translation starts with :" and ends with "}
if (std::wcmatch results; std::regex_search(wbuffer, results, std::wregex(L":\"(.+)\"\\}"))) translation = results[1];
}
WinHttpCloseHandle(request);
}
WinHttpCloseHandle(connection);
}
}
return translation;
}
bool ProcessSentence(std::wstring& sentence, SentenceInfo sentenceInfo)
{
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if (sentenceInfo["hook address"] == -1) return false;
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{
static std::mutex m;
static std::vector<DWORD> requestTimes;
std::lock_guard l(m);
requestTimes.push_back(GetTickCount());
requestTimes.erase(std::remove_if(requestTimes.begin(), requestTimes.end(), [&](DWORD requestTime) { return GetTickCount() - requestTime > 60 * 1000; }), requestTimes.end());
if (!sentenceInfo["current select"] && requestTimes.size() > 30)
{
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sentence += L"\r\nToo many translation requests: refuse to make more";
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return true;
}
}
std::wstring translation, translateFrom;
Translate(sentence, translateFrom, translateTo);
translation = Translate(sentence, translateFrom, translateTo);
for (auto& c : translation) if (c == L'\\') c = 0x200b;
if (translation.empty()) translation = L"Error while translating.";
sentence += L"\r\n" + translation;
return true;
}