1320 lines
40 KiB
C++
1320 lines
40 KiB
C++
/**
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* @file lltranslate.cpp
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* @brief Functions for translating text via Google Translate.
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*
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* $LicenseInfo:firstyear=2009&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#include "llviewerprecompiledheaders.h"
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#include "lltranslate.h"
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#include <curl/curl.h>
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#include "llbufferstream.h"
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#include "lltrans.h"
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#include "llui.h"
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#include "llversioninfo.h"
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#include "llviewercontrol.h"
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#include "llcoros.h"
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#include "json/reader.h"
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#include "llcorehttputil.h"
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#include "llurlregistry.h"
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#include "stringize.h"
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static const std::string AZURE_NOTRANSLATE_OPENING_TAG("<div translate=\"no\">");
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static const std::string AZURE_NOTRANSLATE_CLOSING_TAG("</div>");
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/**
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* Handler of an HTTP machine translation service.
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*
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* Derived classes know the service URL
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* and how to parse the translation result.
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*/
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class LLTranslationAPIHandler
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{
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public:
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typedef std::pair<std::string, std::string> LanguagePair_t;
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/**
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* Get URL for translation of the given string.
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*
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* Sending HTTP GET request to the URL will initiate translation.
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*
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* @param[out] url Place holder for the result.
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* @param from_lang Source language. Leave empty for auto-detection.
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* @param to_lang Target language.
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* @param text Text to translate.
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*/
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virtual std::string getTranslateURL(
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const std::string &from_lang,
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const std::string &to_lang,
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const std::string &text) const = 0;
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/**
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* Get URL to verify the given API key.
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*
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* Sending request to the URL verifies the key.
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* Positive HTTP response (code 200) means that the key is valid.
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*
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* @param[out] url Place holder for the URL.
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* @param[in] key Key to verify.
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*/
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virtual std::string getKeyVerificationURL(
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const LLSD &key) const = 0;
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/**
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* Check API verification response.
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*
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* @param[out] bool true if valid.
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* @param[in] response
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* @param[in] status
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*/
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virtual bool checkVerificationResponse(
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const LLSD &response,
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int status) const = 0;
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/**
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* Parse translation response.
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*
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* @param[in,out] status HTTP status. May be modified while parsing.
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* @param body Response text.
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* @param[out] translation Translated text.
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* @param[out] detected_lang Detected source language. May be empty.
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* @param[out] err_msg Error message (in case of error).
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*/
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virtual bool parseResponse(
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const LLSD& http_response,
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int& status,
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const std::string& body,
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std::string& translation,
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std::string& detected_lang,
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std::string& err_msg) const = 0;
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/**
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* @return if the handler is configured to function properly
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*/
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virtual bool isConfigured() const = 0;
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virtual LLTranslate::EService getCurrentService() = 0;
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virtual void verifyKey(const LLSD &key, LLTranslate::KeyVerificationResult_fn fnc) = 0;
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virtual void translateMessage(LanguagePair_t fromTo, std::string msg, LLTranslate::TranslationSuccess_fn success, LLTranslate::TranslationFailure_fn failure);
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virtual ~LLTranslationAPIHandler() {}
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void verifyKeyCoro(LLTranslate::EService service, LLSD key, LLTranslate::KeyVerificationResult_fn fnc);
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void translateMessageCoro(LanguagePair_t fromTo, std::string msg, LLTranslate::TranslationSuccess_fn success, LLTranslate::TranslationFailure_fn failure);
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virtual void initHttpHeader(LLCore::HttpHeaders::ptr_t headers, const std::string& user_agent) const = 0;
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virtual void initHttpHeader(LLCore::HttpHeaders::ptr_t headers, const std::string& user_agent, const LLSD &key) const = 0;
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virtual LLSD sendMessageAndSuspend(LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t adapter,
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LLCore::HttpRequest::ptr_t request,
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LLCore::HttpOptions::ptr_t options,
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LLCore::HttpHeaders::ptr_t headers,
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const std::string & url,
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const std::string & msg,
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const std::string& from_lang,
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const std::string& to_lang) const = 0;
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virtual LLSD verifyAndSuspend(LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t adapter,
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LLCore::HttpRequest::ptr_t request,
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LLCore::HttpOptions::ptr_t options,
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LLCore::HttpHeaders::ptr_t headers,
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const std::string & url) const = 0;
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};
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void LLTranslationAPIHandler::translateMessage(LanguagePair_t fromTo, std::string msg, LLTranslate::TranslationSuccess_fn success, LLTranslate::TranslationFailure_fn failure)
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{
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LLCoros::instance().launch("Translation", boost::bind(&LLTranslationAPIHandler::translateMessageCoro,
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this, fromTo, msg, success, failure));
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}
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void LLTranslationAPIHandler::verifyKeyCoro(LLTranslate::EService service, LLSD key, LLTranslate::KeyVerificationResult_fn fnc)
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{
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LLCore::HttpRequest::policy_t httpPolicy(LLCore::HttpRequest::DEFAULT_POLICY_ID);
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LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t
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httpAdapter(new LLCoreHttpUtil::HttpCoroutineAdapter("getMerchantStatusCoro", httpPolicy));
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LLCore::HttpRequest::ptr_t httpRequest(new LLCore::HttpRequest);
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LLCore::HttpOptions::ptr_t httpOpts(new LLCore::HttpOptions);
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LLCore::HttpHeaders::ptr_t httpHeaders(new LLCore::HttpHeaders);
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std::string user_agent = stringize(
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LLVersionInfo::instance().getChannel(), ' ',
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LLVersionInfo::instance().getMajor(), '.',
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LLVersionInfo::instance().getMinor(), '.',
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LLVersionInfo::instance().getPatch(), " (",
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LLVersionInfo::instance().getBuild(), ')');
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initHttpHeader(httpHeaders, user_agent, key);
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httpOpts->setFollowRedirects(true);
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httpOpts->setSSLVerifyPeer(false);
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std::string url = this->getKeyVerificationURL(key);
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if (url.empty())
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{
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LL_INFOS("Translate") << "No translation URL" << LL_ENDL;
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return;
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}
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std::string::size_type delim_pos = url.find("://");
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if (delim_pos == std::string::npos)
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{
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LL_INFOS("Translate") << "URL is missing a scheme" << LL_ENDL;
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return;
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}
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LLSD result = verifyAndSuspend(httpAdapter, httpRequest, httpOpts, httpHeaders, url);
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LLSD httpResults = result[LLCoreHttpUtil::HttpCoroutineAdapter::HTTP_RESULTS];
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LLCore::HttpStatus status = LLCoreHttpUtil::HttpCoroutineAdapter::getStatusFromLLSD(httpResults);
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bool bOk = true;
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int parseResult = status.getType();
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if (!checkVerificationResponse(httpResults, parseResult))
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{
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bOk = false;
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}
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if (!fnc.empty())
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{
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fnc(service, bOk, parseResult);
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}
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}
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void LLTranslationAPIHandler::translateMessageCoro(LanguagePair_t fromTo, std::string msg,
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LLTranslate::TranslationSuccess_fn success, LLTranslate::TranslationFailure_fn failure)
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{
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LLCore::HttpRequest::policy_t httpPolicy(LLCore::HttpRequest::DEFAULT_POLICY_ID);
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LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t
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httpAdapter(new LLCoreHttpUtil::HttpCoroutineAdapter("getMerchantStatusCoro", httpPolicy));
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LLCore::HttpRequest::ptr_t httpRequest(new LLCore::HttpRequest);
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LLCore::HttpOptions::ptr_t httpOpts(new LLCore::HttpOptions);
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LLCore::HttpHeaders::ptr_t httpHeaders(new LLCore::HttpHeaders);
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std::string user_agent = stringize(
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LLVersionInfo::instance().getChannel(), ' ',
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LLVersionInfo::instance().getMajor(), '.',
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LLVersionInfo::instance().getMinor(), '.',
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LLVersionInfo::instance().getPatch(), " (",
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LLVersionInfo::instance().getBuild(), ')');
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initHttpHeader(httpHeaders, user_agent);
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httpOpts->setSSLVerifyPeer(false);
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std::string url = this->getTranslateURL(fromTo.first, fromTo.second, msg);
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if (url.empty())
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{
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LL_INFOS("Translate") << "No translation URL" << LL_ENDL;
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return;
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}
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LLSD result = sendMessageAndSuspend(httpAdapter, httpRequest, httpOpts, httpHeaders, url, msg, fromTo.first, fromTo.second);
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if (LLApp::isQuitting())
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{
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return;
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}
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LLSD httpResults = result[LLCoreHttpUtil::HttpCoroutineAdapter::HTTP_RESULTS];
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LLCore::HttpStatus status = LLCoreHttpUtil::HttpCoroutineAdapter::getStatusFromLLSD(httpResults);
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std::string translation, err_msg;
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std::string detected_lang(fromTo.second);
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int parseResult = status.getType();
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const LLSD::Binary &rawBody = result[LLCoreHttpUtil::HttpCoroutineAdapter::HTTP_RESULTS_RAW].asBinary();
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std::string body(rawBody.begin(), rawBody.end());
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bool res = false;
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try
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{
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res = this->parseResponse(httpResults, parseResult, body, translation, detected_lang, err_msg);
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}
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catch (std::out_of_range&)
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{
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LL_WARNS() << "Out of range exception on string " << body << LL_ENDL;
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}
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catch (...)
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{
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LOG_UNHANDLED_EXCEPTION( "Exception on string " + body );
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}
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if (res)
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{
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// Fix up the response
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LLStringUtil::replaceString(translation, "<", "<");
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LLStringUtil::replaceString(translation, ">", ">");
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LLStringUtil::replaceString(translation, """, "\"");
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LLStringUtil::replaceString(translation, "'", "'");
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LLStringUtil::replaceString(translation, "&", "&");
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LLStringUtil::replaceString(translation, "'", "'");
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if (!success.empty())
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success(translation, detected_lang);
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}
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else
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{
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if (err_msg.empty() && httpResults.has("error_body"))
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{
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err_msg = httpResults["error_body"].asString();
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}
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if (err_msg.empty())
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{
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err_msg = LLTrans::getString("TranslationResponseParseError");
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}
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LL_WARNS() << "Translation request failed: " << err_msg << LL_ENDL;
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if (!failure.empty())
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failure(status, err_msg);
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}
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}
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//=========================================================================
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/// Google Translate v2 API handler.
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class LLGoogleTranslationHandler : public LLTranslationAPIHandler
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{
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LOG_CLASS(LLGoogleTranslationHandler);
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public:
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std::string getTranslateURL(
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const std::string &from_lang,
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const std::string &to_lang,
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const std::string &text) const override;
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std::string getKeyVerificationURL(
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const LLSD &key) const override;
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bool checkVerificationResponse(
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const LLSD &response,
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int status) const override;
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bool parseResponse(
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const LLSD& http_response,
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int& status,
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const std::string& body,
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std::string& translation,
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std::string& detected_lang,
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std::string& err_msg) const override;
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bool isConfigured() const override;
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LLTranslate::EService getCurrentService() override { return LLTranslate::EService::SERVICE_GOOGLE; }
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void verifyKey(const LLSD &key, LLTranslate::KeyVerificationResult_fn fnc) override;
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void initHttpHeader(LLCore::HttpHeaders::ptr_t headers, const std::string& user_agent) const override;
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void initHttpHeader(LLCore::HttpHeaders::ptr_t headers, const std::string& user_agent, const LLSD &key) const override;
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LLSD sendMessageAndSuspend(LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t adapter,
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LLCore::HttpRequest::ptr_t request,
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LLCore::HttpOptions::ptr_t options,
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LLCore::HttpHeaders::ptr_t headers,
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const std::string & url,
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const std::string & msg,
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const std::string& from_lang,
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const std::string& to_lang) const override;
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LLSD verifyAndSuspend(LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t adapter,
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LLCore::HttpRequest::ptr_t request,
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LLCore::HttpOptions::ptr_t options,
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LLCore::HttpHeaders::ptr_t headers,
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const std::string & url) const override;
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private:
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static void parseErrorResponse(
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const Json::Value& root,
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int& status,
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std::string& err_msg);
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static bool parseTranslation(
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const Json::Value& root,
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std::string& translation,
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std::string& detected_lang);
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static std::string getAPIKey();
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};
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//-------------------------------------------------------------------------
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// virtual
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std::string LLGoogleTranslationHandler::getTranslateURL(
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const std::string &from_lang,
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const std::string &to_lang,
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const std::string &text) const
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{
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std::string url = std::string("https://www.googleapis.com/language/translate/v2?key=")
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+ getAPIKey() + "&q=" + LLURI::escape(text) + "&target=" + to_lang;
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if (!from_lang.empty())
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{
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url += "&source=" + from_lang;
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}
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return url;
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}
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// virtual
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std::string LLGoogleTranslationHandler::getKeyVerificationURL(
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const LLSD& key) const
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{
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std::string url = std::string("https://www.googleapis.com/language/translate/v2/languages?key=")
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+ key.asString() +"&target=en";
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return url;
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}
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//virtual
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bool LLGoogleTranslationHandler::checkVerificationResponse(
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const LLSD &response,
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int status) const
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{
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return status == HTTP_OK;
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}
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// virtual
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bool LLGoogleTranslationHandler::parseResponse(
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const LLSD& http_response,
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int& status,
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const std::string& body,
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std::string& translation,
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std::string& detected_lang,
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std::string& err_msg) const
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{
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Json::Value root;
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Json::Reader reader;
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if (!reader.parse(body, root))
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{
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err_msg = reader.getFormatedErrorMessages();
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return false;
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}
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if (!root.isObject()) // empty response? should not happen
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{
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return false;
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}
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if (status != HTTP_OK)
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{
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// Request failed. Extract error message from the response.
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parseErrorResponse(root, status, err_msg);
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return false;
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}
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// Request succeeded, extract translation from the response.
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return parseTranslation(root, translation, detected_lang);
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}
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// virtual
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bool LLGoogleTranslationHandler::isConfigured() const
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{
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return !getAPIKey().empty();
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}
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// static
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void LLGoogleTranslationHandler::parseErrorResponse(
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const Json::Value& root,
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int& status,
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std::string& err_msg)
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{
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const Json::Value& error = root.get("error", 0);
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if (!error.isObject() || !error.isMember("message") || !error.isMember("code"))
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{
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return;
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}
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err_msg = error["message"].asString();
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status = error["code"].asInt();
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}
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// static
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bool LLGoogleTranslationHandler::parseTranslation(
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const Json::Value& root,
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std::string& translation,
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std::string& detected_lang)
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{
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// JsonCpp is prone to aborting the program on failed assertions,
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// so be super-careful and verify the response format.
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const Json::Value& data = root.get("data", 0);
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if (!data.isObject() || !data.isMember("translations"))
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{
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return false;
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}
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const Json::Value& translations = data["translations"];
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if (!translations.isArray() || translations.size() == 0)
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{
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return false;
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}
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const Json::Value& first = translations[0U];
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if (!first.isObject() || !first.isMember("translatedText"))
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{
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return false;
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}
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translation = first["translatedText"].asString();
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detected_lang = first.get("detectedSourceLanguage", "").asString();
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return true;
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}
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// static
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std::string LLGoogleTranslationHandler::getAPIKey()
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{
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static LLCachedControl<std::string> google_key(gSavedSettings, "GoogleTranslateAPIKey");
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return google_key;
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}
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/*virtual*/
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void LLGoogleTranslationHandler::verifyKey(const LLSD &key, LLTranslate::KeyVerificationResult_fn fnc)
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{
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LLCoros::instance().launch("Google /Verify Key", boost::bind(&LLTranslationAPIHandler::verifyKeyCoro,
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this, LLTranslate::SERVICE_GOOGLE, key, fnc));
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}
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/*virtual*/
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void LLGoogleTranslationHandler::initHttpHeader(LLCore::HttpHeaders::ptr_t headers, const std::string& user_agent) const
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{
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headers->append(HTTP_OUT_HEADER_ACCEPT, HTTP_CONTENT_TEXT_PLAIN);
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headers->append(HTTP_OUT_HEADER_USER_AGENT, user_agent);
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}
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/*virtual*/
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void LLGoogleTranslationHandler::initHttpHeader(
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LLCore::HttpHeaders::ptr_t headers,
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const std::string& user_agent,
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const LLSD &key) const
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{
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headers->append(HTTP_OUT_HEADER_ACCEPT, HTTP_CONTENT_TEXT_PLAIN);
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headers->append(HTTP_OUT_HEADER_USER_AGENT, user_agent);
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}
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LLSD LLGoogleTranslationHandler::sendMessageAndSuspend(LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t adapter,
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LLCore::HttpRequest::ptr_t request,
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LLCore::HttpOptions::ptr_t options,
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LLCore::HttpHeaders::ptr_t headers,
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const std::string & url,
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const std::string & msg,
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const std::string& from_lang,
|
|
const std::string& to_lang) const
|
|
{
|
|
return adapter->getRawAndSuspend(request, url, options, headers);
|
|
}
|
|
|
|
LLSD LLGoogleTranslationHandler::verifyAndSuspend(LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t adapter,
|
|
LLCore::HttpRequest::ptr_t request,
|
|
LLCore::HttpOptions::ptr_t options,
|
|
LLCore::HttpHeaders::ptr_t headers,
|
|
const std::string & url) const
|
|
{
|
|
return adapter->getAndSuspend(request, url, options, headers);
|
|
}
|
|
|
|
//=========================================================================
|
|
/// Microsoft Translator v2 API handler.
|
|
class LLAzureTranslationHandler : public LLTranslationAPIHandler
|
|
{
|
|
LOG_CLASS(LLAzureTranslationHandler);
|
|
|
|
public:
|
|
std::string getTranslateURL(
|
|
const std::string &from_lang,
|
|
const std::string &to_lang,
|
|
const std::string &text) const override;
|
|
std::string getKeyVerificationURL(
|
|
const LLSD &key) const override;
|
|
bool checkVerificationResponse(
|
|
const LLSD &response,
|
|
int status) const override;
|
|
bool parseResponse(
|
|
const LLSD& http_response,
|
|
int& status,
|
|
const std::string& body,
|
|
std::string& translation,
|
|
std::string& detected_lang,
|
|
std::string& err_msg) const override;
|
|
bool isConfigured() const override;
|
|
|
|
LLTranslate::EService getCurrentService() override { return LLTranslate::EService::SERVICE_AZURE; }
|
|
|
|
void verifyKey(const LLSD &key, LLTranslate::KeyVerificationResult_fn fnc) override;
|
|
|
|
void initHttpHeader(LLCore::HttpHeaders::ptr_t headers, const std::string& user_agent) const override;
|
|
void initHttpHeader(LLCore::HttpHeaders::ptr_t headers, const std::string& user_agent, const LLSD &key) const override;
|
|
LLSD sendMessageAndSuspend(LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t adapter,
|
|
LLCore::HttpRequest::ptr_t request,
|
|
LLCore::HttpOptions::ptr_t options,
|
|
LLCore::HttpHeaders::ptr_t headers,
|
|
const std::string & url,
|
|
const std::string & msg,
|
|
const std::string& from_lang,
|
|
const std::string& to_lang) const override;
|
|
|
|
LLSD verifyAndSuspend(LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t adapter,
|
|
LLCore::HttpRequest::ptr_t request,
|
|
LLCore::HttpOptions::ptr_t options,
|
|
LLCore::HttpHeaders::ptr_t headers,
|
|
const std::string & url) const override;
|
|
private:
|
|
static std::string parseErrorResponse(
|
|
const std::string& body);
|
|
static LLSD getAPIKey();
|
|
static std::string getAPILanguageCode(const std::string& lang);
|
|
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// virtual
|
|
std::string LLAzureTranslationHandler::getTranslateURL(
|
|
const std::string &from_lang,
|
|
const std::string &to_lang,
|
|
const std::string &text) const
|
|
{
|
|
std::string url;
|
|
LLSD key = getAPIKey();
|
|
if (key.isMap())
|
|
{
|
|
std::string endpoint = key["endpoint"].asString();
|
|
|
|
if (*endpoint.rbegin() != '/')
|
|
{
|
|
endpoint += "/";
|
|
}
|
|
url = endpoint + std::string("translate?api-version=3.0&to=")
|
|
+ getAPILanguageCode(to_lang);
|
|
}
|
|
return url;
|
|
}
|
|
|
|
|
|
// virtual
|
|
std::string LLAzureTranslationHandler::getKeyVerificationURL(
|
|
const LLSD& key) const
|
|
{
|
|
std::string url;
|
|
if (key.isMap())
|
|
{
|
|
std::string endpoint = key["endpoint"].asString();
|
|
if (*endpoint.rbegin() != '/')
|
|
{
|
|
endpoint += "/";
|
|
}
|
|
url = endpoint + std::string("translate?api-version=3.0&to=en");
|
|
}
|
|
return url;
|
|
}
|
|
|
|
//virtual
|
|
bool LLAzureTranslationHandler::checkVerificationResponse(
|
|
const LLSD &response,
|
|
int status) const
|
|
{
|
|
if (status == HTTP_UNAUTHORIZED)
|
|
{
|
|
LL_DEBUGS("Translate") << "Key unathorised" << LL_ENDL;
|
|
return false;
|
|
}
|
|
|
|
if (status == HTTP_NOT_FOUND)
|
|
{
|
|
LL_DEBUGS("Translate") << "Either endpoint doesn't have requested resource" << LL_ENDL;
|
|
return false;
|
|
}
|
|
|
|
if (status != HTTP_BAD_REQUEST)
|
|
{
|
|
LL_DEBUGS("Translate") << "Unexpected error code" << LL_ENDL;
|
|
return false;
|
|
}
|
|
|
|
if (!response.has("error_body"))
|
|
{
|
|
LL_DEBUGS("Translate") << "Unexpected response, no error returned" << LL_ENDL;
|
|
return false;
|
|
}
|
|
|
|
// Expected: "{\"error\":{\"code\":400000,\"message\":\"One of the request inputs is not valid.\"}}"
|
|
// But for now just verify response is a valid json
|
|
|
|
Json::Value root;
|
|
Json::Reader reader;
|
|
|
|
if (!reader.parse(response["error_body"].asString(), root))
|
|
{
|
|
LL_DEBUGS("Translate") << "Failed to parse error_body:" << reader.getFormatedErrorMessages() << LL_ENDL;
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
// virtual
|
|
bool LLAzureTranslationHandler::parseResponse(
|
|
const LLSD& http_response,
|
|
int& status,
|
|
const std::string& body,
|
|
std::string& translation,
|
|
std::string& detected_lang,
|
|
std::string& err_msg) const
|
|
{
|
|
if (status != HTTP_OK)
|
|
{
|
|
if (http_response.has("error_body"))
|
|
err_msg = parseErrorResponse(http_response["error_body"].asString());
|
|
return false;
|
|
}
|
|
|
|
//Example:
|
|
// "[{\"detectedLanguage\":{\"language\":\"en\",\"score\":1.0},\"translations\":[{\"text\":\"Hello, what is your name?\",\"to\":\"en\"}]}]"
|
|
|
|
Json::Value root;
|
|
Json::Reader reader;
|
|
|
|
if (!reader.parse(body, root))
|
|
{
|
|
err_msg = reader.getFormatedErrorMessages();
|
|
return false;
|
|
}
|
|
|
|
if (!root.isArray()) // empty response? should not happen
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// Request succeeded, extract translation from the response.
|
|
|
|
const Json::Value& data = root[0U];
|
|
if (!data.isObject()
|
|
|| !data.isMember("detectedLanguage")
|
|
|| !data.isMember("translations"))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
const Json::Value& detectedLanguage = data["detectedLanguage"];
|
|
if (!detectedLanguage.isObject() || !detectedLanguage.isMember("language"))
|
|
{
|
|
return false;
|
|
}
|
|
detected_lang = detectedLanguage["language"].asString();
|
|
|
|
const Json::Value& translations = data["translations"];
|
|
if (!translations.isArray() || translations.size() == 0)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
const Json::Value& first = translations[0U];
|
|
if (!first.isObject() || !first.isMember("text"))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
translation = first["text"].asString();
|
|
|
|
return true;
|
|
}
|
|
|
|
// virtual
|
|
bool LLAzureTranslationHandler::isConfigured() const
|
|
{
|
|
return getAPIKey().isMap();
|
|
}
|
|
|
|
//static
|
|
std::string LLAzureTranslationHandler::parseErrorResponse(
|
|
const std::string& body)
|
|
{
|
|
// Expected: "{\"error\":{\"code\":400000,\"message\":\"One of the request inputs is not valid.\"}}"
|
|
// But for now just verify response is a valid json with an error
|
|
|
|
Json::Value root;
|
|
Json::Reader reader;
|
|
|
|
if (!reader.parse(body, root))
|
|
{
|
|
return std::string();
|
|
}
|
|
|
|
if (!root.isObject() || !root.isMember("error"))
|
|
{
|
|
return std::string();
|
|
}
|
|
|
|
const Json::Value& error_map = root["error"];
|
|
|
|
if (!error_map.isObject() || !error_map.isMember("message"))
|
|
{
|
|
return std::string();
|
|
}
|
|
|
|
return error_map["message"].asString();
|
|
}
|
|
|
|
// static
|
|
LLSD LLAzureTranslationHandler::getAPIKey()
|
|
{
|
|
static LLCachedControl<LLSD> azure_key(gSavedSettings, "AzureTranslateAPIKey");
|
|
return azure_key;
|
|
}
|
|
|
|
// static
|
|
std::string LLAzureTranslationHandler::getAPILanguageCode(const std::string& lang)
|
|
{
|
|
return lang == "zh" ? "zh-CHT" : lang; // treat Chinese as Traditional Chinese
|
|
}
|
|
|
|
/*virtual*/
|
|
void LLAzureTranslationHandler::verifyKey(const LLSD &key, LLTranslate::KeyVerificationResult_fn fnc)
|
|
{
|
|
LLCoros::instance().launch("Azure /Verify Key", boost::bind(&LLTranslationAPIHandler::verifyKeyCoro,
|
|
this, LLTranslate::SERVICE_AZURE, key, fnc));
|
|
}
|
|
/*virtual*/
|
|
void LLAzureTranslationHandler::initHttpHeader(
|
|
LLCore::HttpHeaders::ptr_t headers,
|
|
const std::string& user_agent) const
|
|
{
|
|
initHttpHeader(headers, user_agent, getAPIKey());
|
|
}
|
|
|
|
/*virtual*/
|
|
void LLAzureTranslationHandler::initHttpHeader(
|
|
LLCore::HttpHeaders::ptr_t headers,
|
|
const std::string& user_agent,
|
|
const LLSD &key) const
|
|
{
|
|
headers->append(HTTP_OUT_HEADER_CONTENT_TYPE, HTTP_CONTENT_JSON);
|
|
headers->append(HTTP_OUT_HEADER_USER_AGENT, user_agent);
|
|
|
|
if (key.has("id"))
|
|
{
|
|
// Token based autorization
|
|
headers->append("Ocp-Apim-Subscription-Key", key["id"].asString());
|
|
}
|
|
if (key.has("region"))
|
|
{
|
|
// ex: "westeurope"
|
|
headers->append("Ocp-Apim-Subscription-Region", key["region"].asString());
|
|
}
|
|
}
|
|
|
|
LLSD LLAzureTranslationHandler::sendMessageAndSuspend(LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t adapter,
|
|
LLCore::HttpRequest::ptr_t request,
|
|
LLCore::HttpOptions::ptr_t options,
|
|
LLCore::HttpHeaders::ptr_t headers,
|
|
const std::string & url,
|
|
const std::string & msg,
|
|
const std::string& from_lang,
|
|
const std::string& to_lang) const
|
|
{
|
|
LLCore::BufferArray::ptr_t rawbody(new LLCore::BufferArray);
|
|
LLCore::BufferArrayStream outs(rawbody.get());
|
|
outs << "[{\"text\":\"";
|
|
outs << msg;
|
|
outs << "\"}]";
|
|
|
|
return adapter->postRawAndSuspend(request, url, rawbody, options, headers);
|
|
}
|
|
|
|
LLSD LLAzureTranslationHandler::verifyAndSuspend(LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t adapter,
|
|
LLCore::HttpRequest::ptr_t request,
|
|
LLCore::HttpOptions::ptr_t options,
|
|
LLCore::HttpHeaders::ptr_t headers,
|
|
const std::string & url) const
|
|
{
|
|
LLCore::BufferArray::ptr_t rawbody(new LLCore::BufferArray);
|
|
LLCore::BufferArrayStream outs(rawbody.get());
|
|
outs << "[{\"intentionally_invalid_400\"}]";
|
|
|
|
return adapter->postRawAndSuspend(request, url, rawbody, options, headers);
|
|
}
|
|
|
|
//=========================================================================
|
|
/// DeepL Translator API handler.
|
|
class LLDeepLTranslationHandler: public LLTranslationAPIHandler
|
|
{
|
|
LOG_CLASS(LLDeepLTranslationHandler);
|
|
|
|
public:
|
|
std::string getTranslateURL(
|
|
const std::string& from_lang,
|
|
const std::string& to_lang,
|
|
const std::string& text) const override;
|
|
std::string getKeyVerificationURL(
|
|
const LLSD& key) const override;
|
|
bool checkVerificationResponse(
|
|
const LLSD& response,
|
|
int status) const override;
|
|
bool parseResponse(
|
|
const LLSD& http_response,
|
|
int& status,
|
|
const std::string& body,
|
|
std::string& translation,
|
|
std::string& detected_lang,
|
|
std::string& err_msg) const override;
|
|
bool isConfigured() const override;
|
|
|
|
LLTranslate::EService getCurrentService() override
|
|
{
|
|
return LLTranslate::EService::SERVICE_DEEPL;
|
|
}
|
|
|
|
void verifyKey(const LLSD& key, LLTranslate::KeyVerificationResult_fn fnc) override;
|
|
|
|
void initHttpHeader(LLCore::HttpHeaders::ptr_t headers, const std::string& user_agent) const override;
|
|
void initHttpHeader(LLCore::HttpHeaders::ptr_t headers, const std::string& user_agent, const LLSD& key) const override;
|
|
LLSD sendMessageAndSuspend(LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t adapter,
|
|
LLCore::HttpRequest::ptr_t request,
|
|
LLCore::HttpOptions::ptr_t options,
|
|
LLCore::HttpHeaders::ptr_t headers,
|
|
const std::string& url,
|
|
const std::string& msg,
|
|
const std::string& from_lang,
|
|
const std::string& to_lang) const override;
|
|
|
|
LLSD verifyAndSuspend(LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t adapter,
|
|
LLCore::HttpRequest::ptr_t request,
|
|
LLCore::HttpOptions::ptr_t options,
|
|
LLCore::HttpHeaders::ptr_t headers,
|
|
const std::string& url) const override;
|
|
private:
|
|
static std::string parseErrorResponse(
|
|
const std::string& body);
|
|
static LLSD getAPIKey();
|
|
static std::string getAPILanguageCode(const std::string& lang);
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// virtual
|
|
std::string LLDeepLTranslationHandler::getTranslateURL(
|
|
const std::string& from_lang,
|
|
const std::string& to_lang,
|
|
const std::string& text) const
|
|
{
|
|
std::string url;
|
|
LLSD key = getAPIKey();
|
|
if (key.isMap())
|
|
{
|
|
url = key["domain"].asString();
|
|
|
|
if (*url.rbegin() != '/')
|
|
{
|
|
url += "/";
|
|
}
|
|
url += std::string("v2/translate");
|
|
}
|
|
return url;
|
|
}
|
|
|
|
|
|
// virtual
|
|
std::string LLDeepLTranslationHandler::getKeyVerificationURL(
|
|
const LLSD& key) const
|
|
{
|
|
std::string url;
|
|
if (key.isMap())
|
|
{
|
|
url = key["domain"].asString();
|
|
|
|
if (*url.rbegin() != '/')
|
|
{
|
|
url += "/";
|
|
}
|
|
url += std::string("v2/translate");
|
|
}
|
|
return url;
|
|
}
|
|
|
|
//virtual
|
|
bool LLDeepLTranslationHandler::checkVerificationResponse(
|
|
const LLSD& response,
|
|
int status) const
|
|
{
|
|
// Might need to parse body to make sure we got
|
|
// a valid response and not a message
|
|
return status == HTTP_OK;
|
|
}
|
|
|
|
// virtual
|
|
bool LLDeepLTranslationHandler::parseResponse(
|
|
const LLSD& http_response,
|
|
int& status,
|
|
const std::string& body,
|
|
std::string& translation,
|
|
std::string& detected_lang,
|
|
std::string& err_msg) const
|
|
{
|
|
if (status != HTTP_OK)
|
|
{
|
|
if (http_response.has("error_body"))
|
|
err_msg = parseErrorResponse(http_response["error_body"].asString());
|
|
return false;
|
|
}
|
|
|
|
//Example:
|
|
// "{\"translations\":[{\"detected_source_language\":\"EN\",\"text\":\"test\"}]}"
|
|
|
|
Json::Value root;
|
|
Json::Reader reader;
|
|
|
|
if (!reader.parse(body, root))
|
|
{
|
|
err_msg = reader.getFormatedErrorMessages();
|
|
return false;
|
|
}
|
|
|
|
if (!root.isObject()
|
|
|| !root.isMember("translations")) // empty response? should not happen
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// Request succeeded, extract translation from the response.
|
|
const Json::Value& translations = root["translations"];
|
|
if (!translations.isArray() || translations.size() == 0)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
const Json::Value& data= translations[0U];
|
|
if (!data.isObject()
|
|
|| !data.isMember("detected_source_language")
|
|
|| !data.isMember("text"))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
detected_lang = data["detected_source_language"].asString();
|
|
LLStringUtil::toLower(detected_lang);
|
|
translation = data["text"].asString();
|
|
|
|
return true;
|
|
}
|
|
|
|
// virtual
|
|
bool LLDeepLTranslationHandler::isConfigured() const
|
|
{
|
|
return getAPIKey().isMap();
|
|
}
|
|
|
|
//static
|
|
std::string LLDeepLTranslationHandler::parseErrorResponse(
|
|
const std::string& body)
|
|
{
|
|
// Example: "{\"message\":\"One of the request inputs is not valid.\"}"
|
|
|
|
Json::Value root;
|
|
Json::Reader reader;
|
|
|
|
if (!reader.parse(body, root))
|
|
{
|
|
return std::string();
|
|
}
|
|
|
|
if (!root.isObject() || !root.isMember("message"))
|
|
{
|
|
return std::string();
|
|
}
|
|
|
|
return root["message"].asString();
|
|
}
|
|
|
|
// static
|
|
LLSD LLDeepLTranslationHandler::getAPIKey()
|
|
{
|
|
static LLCachedControl<LLSD> deepl_key(gSavedSettings, "DeepLTranslateAPIKey");
|
|
return deepl_key;
|
|
}
|
|
|
|
// static
|
|
std::string LLDeepLTranslationHandler::getAPILanguageCode(const std::string& lang)
|
|
{
|
|
return lang == "zh" ? "zh-CHT" : lang; // treat Chinese as Traditional Chinese
|
|
}
|
|
|
|
/*virtual*/
|
|
void LLDeepLTranslationHandler::verifyKey(const LLSD& key, LLTranslate::KeyVerificationResult_fn fnc)
|
|
{
|
|
LLCoros::instance().launch("DeepL /Verify Key", boost::bind(&LLTranslationAPIHandler::verifyKeyCoro,
|
|
this, LLTranslate::SERVICE_DEEPL, key, fnc));
|
|
}
|
|
/*virtual*/
|
|
void LLDeepLTranslationHandler::initHttpHeader(
|
|
LLCore::HttpHeaders::ptr_t headers,
|
|
const std::string& user_agent) const
|
|
{
|
|
initHttpHeader(headers, user_agent, getAPIKey());
|
|
}
|
|
|
|
/*virtual*/
|
|
void LLDeepLTranslationHandler::initHttpHeader(
|
|
LLCore::HttpHeaders::ptr_t headers,
|
|
const std::string& user_agent,
|
|
const LLSD& key) const
|
|
{
|
|
headers->append(HTTP_OUT_HEADER_CONTENT_TYPE, "application/x-www-form-urlencoded");
|
|
headers->append(HTTP_OUT_HEADER_USER_AGENT, user_agent);
|
|
|
|
if (key.has("id"))
|
|
{
|
|
std::string authkey = "DeepL-Auth-Key " + key["id"].asString();
|
|
headers->append(HTTP_OUT_HEADER_AUTHORIZATION, authkey);
|
|
}
|
|
}
|
|
|
|
LLSD LLDeepLTranslationHandler::sendMessageAndSuspend(LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t adapter,
|
|
LLCore::HttpRequest::ptr_t request,
|
|
LLCore::HttpOptions::ptr_t options,
|
|
LLCore::HttpHeaders::ptr_t headers,
|
|
const std::string& url,
|
|
const std::string& msg,
|
|
const std::string& from_lang,
|
|
const std::string& to_lang) const
|
|
{
|
|
LLCore::BufferArray::ptr_t rawbody(new LLCore::BufferArray);
|
|
LLCore::BufferArrayStream outs(rawbody.get());
|
|
outs << "text=";
|
|
std::string escaped_string = LLURI::escape(msg);
|
|
outs << escaped_string;
|
|
outs << "&target_lang=";
|
|
std::string lang = to_lang;
|
|
LLStringUtil::toUpper(lang);
|
|
outs << lang;
|
|
|
|
return adapter->postRawAndSuspend(request, url, rawbody, options, headers);
|
|
}
|
|
|
|
LLSD LLDeepLTranslationHandler::verifyAndSuspend(LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t adapter,
|
|
LLCore::HttpRequest::ptr_t request,
|
|
LLCore::HttpOptions::ptr_t options,
|
|
LLCore::HttpHeaders::ptr_t headers,
|
|
const std::string& url) const
|
|
{
|
|
LLCore::BufferArray::ptr_t rawbody(new LLCore::BufferArray);
|
|
LLCore::BufferArrayStream outs(rawbody.get());
|
|
outs << "text=&target_lang=EN";
|
|
|
|
return adapter->postRawAndSuspend(request, url, rawbody, options, headers);
|
|
}
|
|
|
|
//=========================================================================
|
|
LLTranslate::LLTranslate():
|
|
mCharsSeen(0),
|
|
mCharsSent(0),
|
|
mFailureCount(0),
|
|
mSuccessCount(0)
|
|
{
|
|
}
|
|
|
|
LLTranslate::~LLTranslate()
|
|
{
|
|
}
|
|
|
|
/*static*/
|
|
void LLTranslate::translateMessage(const std::string &from_lang, const std::string &to_lang,
|
|
const std::string &mesg, TranslationSuccess_fn success, TranslationFailure_fn failure)
|
|
{
|
|
LLTranslationAPIHandler& handler = getPreferredHandler();
|
|
|
|
handler.translateMessage(LLTranslationAPIHandler::LanguagePair_t(from_lang, to_lang), addNoTranslateTags(mesg), success, failure);
|
|
}
|
|
|
|
std::string LLTranslate::addNoTranslateTags(std::string mesg)
|
|
{
|
|
if (getPreferredHandler().getCurrentService() == SERVICE_GOOGLE)
|
|
{
|
|
return mesg;
|
|
}
|
|
|
|
if (getPreferredHandler().getCurrentService() == SERVICE_DEEPL)
|
|
{
|
|
return mesg;
|
|
}
|
|
|
|
if (getPreferredHandler().getCurrentService() == SERVICE_AZURE)
|
|
{
|
|
// https://learn.microsoft.com/en-us/azure/cognitive-services/translator/prevent-translation
|
|
std::string upd_msg(mesg);
|
|
LLUrlMatch match;
|
|
S32 dif = 0;
|
|
//surround all links (including SLURLs) with 'no-translate' tags to prevent unnecessary translation
|
|
while (LLUrlRegistry::instance().findUrl(mesg, match))
|
|
{
|
|
upd_msg.insert(dif + match.getStart(), AZURE_NOTRANSLATE_OPENING_TAG);
|
|
upd_msg.insert(dif + AZURE_NOTRANSLATE_OPENING_TAG.size() + match.getEnd() + 1, AZURE_NOTRANSLATE_CLOSING_TAG);
|
|
mesg.erase(match.getStart(), match.getEnd() - match.getStart());
|
|
dif += match.getEnd() - match.getStart() + AZURE_NOTRANSLATE_OPENING_TAG.size() + AZURE_NOTRANSLATE_CLOSING_TAG.size();
|
|
}
|
|
return upd_msg;
|
|
}
|
|
return mesg;
|
|
}
|
|
|
|
std::string LLTranslate::removeNoTranslateTags(std::string mesg)
|
|
{
|
|
if (getPreferredHandler().getCurrentService() == SERVICE_GOOGLE)
|
|
{
|
|
return mesg;
|
|
}
|
|
if (getPreferredHandler().getCurrentService() == SERVICE_DEEPL)
|
|
{
|
|
return mesg;
|
|
}
|
|
|
|
if (getPreferredHandler().getCurrentService() == SERVICE_AZURE)
|
|
{
|
|
std::string upd_msg(mesg);
|
|
LLUrlMatch match;
|
|
S32 opening_tag_size = AZURE_NOTRANSLATE_OPENING_TAG.size();
|
|
S32 closing_tag_size = AZURE_NOTRANSLATE_CLOSING_TAG.size();
|
|
S32 dif = 0;
|
|
//remove 'no-translate' tags we added to the links before
|
|
while (LLUrlRegistry::instance().findUrl(mesg, match))
|
|
{
|
|
if (upd_msg.substr(dif + match.getStart() - opening_tag_size, opening_tag_size) == AZURE_NOTRANSLATE_OPENING_TAG)
|
|
{
|
|
upd_msg.erase(dif + match.getStart() - opening_tag_size, opening_tag_size);
|
|
dif -= opening_tag_size;
|
|
|
|
if (upd_msg.substr(dif + match.getEnd() + 1, closing_tag_size) == AZURE_NOTRANSLATE_CLOSING_TAG)
|
|
{
|
|
upd_msg.replace(dif + match.getEnd() + 1, closing_tag_size, " ");
|
|
dif -= closing_tag_size - 1;
|
|
}
|
|
}
|
|
mesg.erase(match.getStart(), match.getUrl().size());
|
|
dif += match.getUrl().size();
|
|
}
|
|
return upd_msg;
|
|
}
|
|
|
|
return mesg;
|
|
}
|
|
|
|
/*static*/
|
|
void LLTranslate::verifyKey(EService service, const LLSD &key, KeyVerificationResult_fn fnc)
|
|
{
|
|
LLTranslationAPIHandler& handler = getHandler(service);
|
|
|
|
handler.verifyKey(key, fnc);
|
|
}
|
|
|
|
|
|
//static
|
|
std::string LLTranslate::getTranslateLanguage()
|
|
{
|
|
std::string language = gSavedSettings.getString("TranslateLanguage");
|
|
if (language.empty() || language == "default")
|
|
{
|
|
language = LLUI::getLanguage();
|
|
}
|
|
language = language.substr(0,2);
|
|
return language;
|
|
}
|
|
|
|
// static
|
|
bool LLTranslate::isTranslationConfigured()
|
|
{
|
|
return getPreferredHandler().isConfigured();
|
|
}
|
|
|
|
void LLTranslate::logCharsSeen(size_t count)
|
|
{
|
|
mCharsSeen += count;
|
|
}
|
|
|
|
void LLTranslate::logCharsSent(size_t count)
|
|
{
|
|
mCharsSent += count;
|
|
}
|
|
|
|
void LLTranslate::logSuccess(S32 count)
|
|
{
|
|
mSuccessCount += count;
|
|
}
|
|
|
|
void LLTranslate::logFailure(S32 count)
|
|
{
|
|
mFailureCount += count;
|
|
}
|
|
|
|
LLSD LLTranslate::asLLSD() const
|
|
{
|
|
LLSD res;
|
|
bool on = gSavedSettings.getBOOL("TranslateChat");
|
|
res["on"] = on;
|
|
res["chars_seen"] = (S32) mCharsSeen;
|
|
if (on)
|
|
{
|
|
res["chars_sent"] = (S32) mCharsSent;
|
|
res["success_count"] = mSuccessCount;
|
|
res["failure_count"] = mFailureCount;
|
|
res["language"] = getTranslateLanguage();
|
|
res["service"] = gSavedSettings.getString("TranslationService");
|
|
}
|
|
return res;
|
|
}
|
|
|
|
// static
|
|
LLTranslationAPIHandler& LLTranslate::getPreferredHandler()
|
|
{
|
|
EService service = SERVICE_AZURE;
|
|
|
|
std::string service_str = gSavedSettings.getString("TranslationService");
|
|
if (service_str == "google")
|
|
{
|
|
service = SERVICE_GOOGLE;
|
|
}
|
|
if (service_str == "azure")
|
|
{
|
|
service = SERVICE_AZURE;
|
|
}
|
|
if (service_str == "deepl")
|
|
{
|
|
service = SERVICE_DEEPL;
|
|
}
|
|
|
|
return getHandler(service);
|
|
}
|
|
|
|
// static
|
|
LLTranslationAPIHandler& LLTranslate::getHandler(EService service)
|
|
{
|
|
static LLGoogleTranslationHandler google;
|
|
static LLAzureTranslationHandler azure;
|
|
static LLDeepLTranslationHandler deepl;
|
|
|
|
switch (service)
|
|
{
|
|
case SERVICE_AZURE:
|
|
return azure;
|
|
case SERVICE_GOOGLE:
|
|
return google;
|
|
case SERVICE_DEEPL:
|
|
return deepl;
|
|
}
|
|
|
|
return azure;
|
|
|
|
}
|