128 lines
3.4 KiB
C++
128 lines
3.4 KiB
C++
#include "extension.h"
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#include "network.h"
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#include "util.h"
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#include <ctime>
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#include <QStringList>
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extern const wchar_t* TRANSLATION_ERROR;
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extern Synchronized<std::wstring> translateTo;
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const char* TRANSLATION_PROVIDER = "Google";
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QStringList languages
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{
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"English: en",
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"Afrikaans: af",
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"Arabic: ar",
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"Albanian: sq",
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"Belarusian: be",
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"Bengali: bn",
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"Bosnian: bs",
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"Bulgarian: bg",
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"Catalan: ca",
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"Chinese(Simplified): zh-CH",
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"Chinese(Traditional): zh-TW",
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"Croatian: hr",
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"Czech: cs",
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"Danish: da",
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"Dutch: nl",
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"Esperanto: eo",
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"Estonian: et",
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"Filipino: tl",
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"Finnish: fi",
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"French: fr",
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"Galician: gl",
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"German: de",
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"Greek: el",
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"Hebrew: iw",
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"Hindi: hi",
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"Hungarian: hu",
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"Icelandic: is",
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"Indonesian: id",
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"Irish: ga",
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"Italian: it",
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"Japanese: ja",
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"Klingon: tlh",
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"Korean: ko",
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"Latin: la",
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"Latvian: lv",
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"Lithuanian: lt",
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"Macedonian: mk",
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"Malay: ms",
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"Maltese: mt",
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"Norwegian: no",
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"Persian: fa",
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"Polish: pl",
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"Portuguese: pt",
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"Romanian: ro",
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"Russian: ru",
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"Serbian: sr",
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"Slovak: sk",
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"Slovenian: sl",
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"Somali: so",
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"Spanish: es",
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"Swahili: sw",
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"Swedish: sv",
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"Thai: th",
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"Turkish: tr",
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"Ukranian: uk",
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"Urdu: ur",
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"Vietnamese: vi",
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"Welsh: cy",
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"Yiddish: yi",
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"Zulu: zu"
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};
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std::wstring GetTranslationUri(const std::wstring& text, unsigned TKK)
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{
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// If no TKK available, use this uri. Can't use too much or google will detect unauthorized access
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if (!TKK) return FormatString(L"/translate_a/single?client=gtx&dt=ld&dt=rm&dt=t&tl=%s&q=%s", translateTo->c_str(), text);
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// Artikash 8/19/2018: reverse engineered from translate.google.com
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std::wstring escapedText;
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unsigned a = _time64(NULL) / 3600, b = a; // <- the first part of TKK
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for (unsigned char ch : WideStringToString(text))
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{
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escapedText += FormatString(L"%%%02X", (int)ch);
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a += ch;
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a += a << 10;
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a ^= a >> 6;
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}
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a += a << 3;
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a ^= a >> 11;
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a += a << 15;
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a ^= TKK;
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a %= 1000000;
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b ^= a;
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return FormatString(L"/translate_a/single?client=t&dt=ld&dt=rm&dt=t&tl=%s&tk=%u.%u&q=%s", translateTo->c_str(), a, b, escapedText);
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}
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bool IsHash(const std::wstring& result)
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{
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return std::all_of(result.begin(), result.end(), [](auto ch) { return (ch >= L'0' && ch <= L'9') || (ch >= L'a' && ch <= L'z'); });
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}
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std::pair<bool, std::wstring> Translate(const std::wstring& text)
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{
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static unsigned TKK = 0;
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if (!TKK)
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if (HttpRequest httpRequest{ L"Mozilla/5.0 Textractor", L"translate.google.com", L"GET", L"/" })
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if (std::wsmatch results; std::regex_search(httpRequest.response, results, std::wregex(L"(\\d{7,})'")))
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_InterlockedCompareExchange(&TKK, stoll(results[1]), 0);
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if (HttpRequest httpRequest{ L"Mozilla/5.0 Textractor", L"translate.google.com", L"GET", GetTranslationUri(text, TKK).c_str() })
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{
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// Response formatted as JSON: starts with "[[[" and translation is enclosed in quotes followed by a comma
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if (httpRequest.response[0] == L'[')
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{
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std::wstring translation;
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for (std::wsmatch results; std::regex_search(httpRequest.response, results, std::wregex(L"\\[\"(.*?)\",[n\"]")); httpRequest.response = results.suffix())
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if (!IsHash(results[1])) translation += std::wstring(results[1]) + L" ";
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if (!translation.empty()) return { true, translation };
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}
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return { false, FormatString(L"%s (TKK=%u)", TRANSLATION_ERROR, _InterlockedExchange(&TKK, 0)) };
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}
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else return { false, FormatString(L"%s (code=%u)", TRANSLATION_ERROR, httpRequest.errorCode) };
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}
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