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add google translate

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This commit is contained in:
Akash Mozumdar 2018-08-19 15:26:50 -04:00
parent 8711332f77
commit 3f7a0fdd52
2 changed files with 85 additions and 2 deletions
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7
extensions/CMakeLists.txt
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@ -1,5 +1,8 @@
cmake_policy(SET CMP0037 OLD)
add_library(1_Remove\ Repetition_nexthooker_extension SHARED removerepeat.cpp)
add_library(2_Copy\ to\ Clipboard_nexthooker_extension SHARED copyclipboard.cpp)
#add_library("3_Google\ Translate_nexthooker_extension" SHARED googletranslate.cpp)
add_library(4_Extra\ Newlines_nexthooker_extension SHARED extranewlines.cpp)
add_library(3_Google\ Translate_nexthooker_extension SHARED googletranslate.cpp)
add_library(4_Extra\ Newlines_nexthooker_extension SHARED extranewlines.cpp)
target_link_libraries(3_Google\ Translate_nexthooker_extension winhttp.lib)

80
extensions/googletranslate.cpp
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@ -1,4 +1,32 @@
#include "extensions.h"
#include <winhttp.h>
#include <ctime>
std::wstring GetTranslationUri(const wchar_t* text, unsigned int TKK)
{
// If no TKK available, use this uri. Can't use too much or google will detect unauthorized access.
if (!TKK) return std::wstring(L"/translate_a/single?client=gtx&dt=ld&dt=rm&dt=tq=") + text;
// Artikash 8/19/2018: reverse engineered from translate.google.com
char* utf8text = new char[wcslen(text) * 4];
WideCharToMultiByte(CP_UTF8, 0, text, -1, utf8text, wcslen(text) * 4, NULL, NULL);
unsigned int a = (unsigned int)(_time64(NULL) / 3600), b = a; // <- the first part of TKK
for (int i = 0; utf8text[i];)
{
a += (unsigned char)utf8text[i++];
a += a << 10;
a ^= a >> 6;
}
a += a << 3;
a ^= a >> 11;
a += a << 15;
a ^= TKK;
a %= 1000000;
b ^= a;
return std::wstring(L"/translate_a/single?client=t&dt=ld&dt=rm&dt=t&tk=") + std::to_wstring(a) + L"." + std::to_wstring(b) + L"&q=" + std::wstring(text);
}
extern "C"
{
@ -13,5 +41,57 @@ extern "C"
*/
__declspec(dllexport) const wchar_t* OnNewSentence(const wchar_t* sentence, const InfoForExtension* miscInfo)
{
static HINTERNET internet = NULL;
if (!internet) internet = WinHttpOpen(L"Mozilla/5.0 NextHooker", WINHTTP_ACCESS_TYPE_DEFAULT_PROXY, NULL, NULL, 0);
static unsigned int TKK = 0;
wchar_t error[] = L"Error while translating.";
wchar_t translation[10000] = {};
wchar_t* message = error;
if (wcslen(sentence) > 2000 || GetProperty("text number", miscInfo) == 0 || GetProperty("current select", miscInfo) == 0) return sentence;
if (internet)
{
if (HINTERNET connection = WinHttpConnect(internet, L"translate.google.com", INTERNET_DEFAULT_HTTPS_PORT, 0))
{
if (HINTERNET request = WinHttpOpenRequest(connection, L"GET", L"/", NULL, NULL, NULL, WINHTTP_FLAG_SECURE))
{
if (WinHttpSendRequest(request, NULL, 0, NULL, 0, 0, NULL))
{
DWORD bytesRead;
char buffer[100000]; // Google Translate page is ~64kb
WinHttpReceiveResponse(request, NULL);
WinHttpReadData(request, buffer, 100000, &bytesRead);
TKK = strtoll(strstr(buffer, "a\\x3d") + 5, nullptr, 10) + strtoll(strstr(buffer, "b\\x3d") + 5, nullptr, 10);
}
WinHttpCloseHandle(request);
}
WinHttpCloseHandle(connection);
}
if (HINTERNET connection = WinHttpConnect(internet, L"translate.google.com", INTERNET_DEFAULT_HTTPS_PORT, 0))
{
if (HINTERNET request = WinHttpOpenRequest(connection, L"GET", GetTranslationUri(sentence, TKK).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[0x10000] = {};
WinHttpReceiveResponse(request, NULL);
WinHttpReadData(request, buffer, 0x10000, &bytesRead);
// Response formatted as JSON: starts with '[[["'
MultiByteToWideChar(CP_UTF8, 0, buffer + 4, (int)((strstr(buffer, "\",\"")) - (buffer + 4)), translation, 10000);
message = translation;
for (int i = -1; translation[++i];) if (translation[i] == L'\\') translation[i] = 0x200b;
}
WinHttpCloseHandle(request);
}
WinHttpCloseHandle(connection);
}
}
wchar_t* newSentence = (wchar_t*)malloc((wcslen(sentence) + 3 + wcslen(message)) * sizeof(wchar_t));
swprintf(newSentence, wcslen(sentence) + 3 + wcslen(message), L"%s%s%s", sentence, L"\r\n", message);
return newSentence;
}
}