diff options
Diffstat (limited to 'indra/newview/lltranslate.cpp')
| -rw-r--r-- | indra/newview/lltranslate.cpp | 409 |
1 files changed, 293 insertions, 116 deletions
diff --git a/indra/newview/lltranslate.cpp b/indra/newview/lltranslate.cpp index c0ba0a1f39..1936e24761 100644 --- a/indra/newview/lltranslate.cpp +++ b/indra/newview/lltranslate.cpp @@ -35,31 +35,257 @@ #include "llui.h" #include "llversioninfo.h" #include "llviewercontrol.h" - +#include "llcoros.h" #include "reader.h" +#include "llcorehttputil.h" + + +/** +* Handler of an HTTP machine translation service. +* +* Derived classes know the service URL +* and how to parse the translation result. +*/ +class LLTranslationAPIHandler +{ +public: + typedef std::pair<std::string, std::string> LanguagePair_t; + + /** + * Get URL for translation of the given string. + * + * Sending HTTP GET request to the URL will initiate translation. + * + * @param[out] url Place holder for the result. + * @param from_lang Source language. Leave empty for auto-detection. + * @param to_lang Target language. + * @param text Text to translate. + */ + virtual std::string getTranslateURL( + const std::string &from_lang, + const std::string &to_lang, + const std::string &text) const = 0; + + /** + * Get URL to verify the given API key. + * + * Sending request to the URL verifies the key. + * Positive HTTP response (code 200) means that the key is valid. + * + * @param[out] url Place holder for the URL. + * @param[in] key Key to verify. + */ + virtual std::string getKeyVerificationURL( + const std::string &key) const = 0; + + /** + * Parse translation response. + * + * @param[in,out] status HTTP status. May be modified while parsing. + * @param body Response text. + * @param[out] translation Translated text. + * @param[out] detected_lang Detected source language. May be empty. + * @param[out] err_msg Error message (in case of error). + */ + virtual bool parseResponse( + int& status, + const std::string& body, + std::string& translation, + std::string& detected_lang, + std::string& err_msg) const = 0; + + /** + * @return if the handler is configured to function properly + */ + virtual bool isConfigured() const = 0; + + virtual void verifyKey(const std::string &key, LLTranslate::KeyVerificationResult_fn fnc) = 0; + virtual void translateMessage(LanguagePair_t fromTo, std::string msg, LLTranslate::TranslationSuccess_fn success, LLTranslate::TranslationFailure_fn failure); + + + virtual ~LLTranslationAPIHandler() {} + + void verifyKeyCoro(LLTranslate::EService service, std::string key, LLTranslate::KeyVerificationResult_fn fnc); + void translateMessageCoro(LanguagePair_t fromTo, std::string msg, LLTranslate::TranslationSuccess_fn success, LLTranslate::TranslationFailure_fn failure); +}; + +void LLTranslationAPIHandler::translateMessage(LanguagePair_t fromTo, std::string msg, LLTranslate::TranslationSuccess_fn success, LLTranslate::TranslationFailure_fn failure) +{ + LLCoros::instance().launch("Translation", boost::bind(&LLTranslationAPIHandler::translateMessageCoro, + this, fromTo, msg, success, failure)); + +} + + +void LLTranslationAPIHandler::verifyKeyCoro(LLTranslate::EService service, std::string key, LLTranslate::KeyVerificationResult_fn fnc) +{ + LLCore::HttpRequest::policy_t httpPolicy(LLCore::HttpRequest::DEFAULT_POLICY_ID); + LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t + httpAdapter(new LLCoreHttpUtil::HttpCoroutineAdapter("getMerchantStatusCoro", httpPolicy)); + LLCore::HttpRequest::ptr_t httpRequest(new LLCore::HttpRequest); + LLCore::HttpOptions::ptr_t httpOpts(new LLCore::HttpOptions); + LLCore::HttpHeaders::ptr_t httpHeaders(new LLCore::HttpHeaders); + + + std::string user_agent = llformat("%s %d.%d.%d (%d)", + LLVersionInfo::getChannel().c_str(), + LLVersionInfo::getMajor(), + LLVersionInfo::getMinor(), + LLVersionInfo::getPatch(), + LLVersionInfo::getBuild()); + + httpHeaders->append(HTTP_OUT_HEADER_ACCEPT, HTTP_CONTENT_TEXT_PLAIN); + httpHeaders->append(HTTP_OUT_HEADER_USER_AGENT, user_agent); + + httpOpts->setFollowRedirects(true); + + std::string url = this->getKeyVerificationURL(key); + if (url.empty()) + { + LL_INFOS("Translate") << "No translation URL" << LL_ENDL; + return; + } + LLSD result = httpAdapter->getAndSuspend(httpRequest, url, httpOpts, httpHeaders); + + LLSD httpResults = result[LLCoreHttpUtil::HttpCoroutineAdapter::HTTP_RESULTS]; + LLCore::HttpStatus status = LLCoreHttpUtil::HttpCoroutineAdapter::getStatusFromLLSD(httpResults); + + bool bOk = true; + if (!status) + bOk = false; + + if (!fnc.empty()) + fnc(service, bOk); +} + +void LLTranslationAPIHandler::translateMessageCoro(LanguagePair_t fromTo, std::string msg, + LLTranslate::TranslationSuccess_fn success, LLTranslate::TranslationFailure_fn failure) +{ + LLCore::HttpRequest::policy_t httpPolicy(LLCore::HttpRequest::DEFAULT_POLICY_ID); + LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t + httpAdapter(new LLCoreHttpUtil::HttpCoroutineAdapter("getMerchantStatusCoro", httpPolicy)); + LLCore::HttpRequest::ptr_t httpRequest(new LLCore::HttpRequest); + LLCore::HttpOptions::ptr_t httpOpts(new LLCore::HttpOptions); + LLCore::HttpHeaders::ptr_t httpHeaders(new LLCore::HttpHeaders); + + + std::string user_agent = llformat("%s %d.%d.%d (%d)", + LLVersionInfo::getChannel().c_str(), + LLVersionInfo::getMajor(), + LLVersionInfo::getMinor(), + LLVersionInfo::getPatch(), + LLVersionInfo::getBuild()); + + httpHeaders->append(HTTP_OUT_HEADER_ACCEPT, HTTP_CONTENT_TEXT_PLAIN); + httpHeaders->append(HTTP_OUT_HEADER_USER_AGENT, user_agent); + + std::string url = this->getTranslateURL(fromTo.first, fromTo.second, msg); + if (url.empty()) + { + LL_INFOS("Translate") << "No translation URL" << LL_ENDL; + return; + } + + LLSD result = httpAdapter->getRawAndSuspend(httpRequest, url, httpOpts, httpHeaders); + + LLSD httpResults = result[LLCoreHttpUtil::HttpCoroutineAdapter::HTTP_RESULTS]; + LLCore::HttpStatus status = LLCoreHttpUtil::HttpCoroutineAdapter::getStatusFromLLSD(httpResults); + + std::string translation, err_msg; + std::string detected_lang(fromTo.second); + + int parseResult = status.getType(); + const LLSD::Binary &rawBody = result[LLCoreHttpUtil::HttpCoroutineAdapter::HTTP_RESULTS_RAW].asBinary(); + std::string body(rawBody.begin(), rawBody.end()); + + if (this->parseResponse(parseResult, body, translation, detected_lang, err_msg)) + { + // Fix up the response + LLStringUtil::replaceString(translation, "<", "<"); + LLStringUtil::replaceString(translation, ">", ">"); + LLStringUtil::replaceString(translation, """, "\""); + LLStringUtil::replaceString(translation, "'", "'"); + LLStringUtil::replaceString(translation, "&", "&"); + LLStringUtil::replaceString(translation, "'", "'"); + + if (!success.empty()) + success(translation, detected_lang); + } + else + { + if (err_msg.empty()) + { + err_msg = LLTrans::getString("TranslationResponseParseError"); + } + + LL_WARNS() << "Translation request failed: " << err_msg << LL_ENDL; + if (!failure.empty()) + failure(status, err_msg); + } + + +} + +//========================================================================= +/// Google Translate v2 API handler. +class LLGoogleTranslationHandler : public LLTranslationAPIHandler +{ + LOG_CLASS(LLGoogleTranslationHandler); + +public: + /*virtual*/ std::string getTranslateURL( + const std::string &from_lang, + const std::string &to_lang, + const std::string &text) const; + /*virtual*/ std::string getKeyVerificationURL( + const std::string &key) const; + /*virtual*/ bool parseResponse( + int& status, + const std::string& body, + std::string& translation, + std::string& detected_lang, + std::string& err_msg) const; + /*virtual*/ bool isConfigured() const; + + /*virtual*/ void verifyKey(const std::string &key, LLTranslate::KeyVerificationResult_fn fnc); + +private: + static void parseErrorResponse( + const Json::Value& root, + int& status, + std::string& err_msg); + static bool parseTranslation( + const Json::Value& root, + std::string& translation, + std::string& detected_lang); + static std::string getAPIKey(); + +}; + +//------------------------------------------------------------------------- // virtual -void LLGoogleTranslationHandler::getTranslateURL( - std::string &url, +std::string LLGoogleTranslationHandler::getTranslateURL( const std::string &from_lang, const std::string &to_lang, const std::string &text) const { - url = std::string("https://www.googleapis.com/language/translate/v2?key=") + std::string url = std::string("https://www.googleapis.com/language/translate/v2?key=") + getAPIKey() + "&q=" + LLURI::escape(text) + "&target=" + to_lang; if (!from_lang.empty()) { url += "&source=" + from_lang; } + return url; } // virtual -void LLGoogleTranslationHandler::getKeyVerificationURL( - std::string& url, +std::string LLGoogleTranslationHandler::getKeyVerificationURL( const std::string& key) const { - url = std::string("https://www.googleapis.com/language/translate/v2/languages?key=") + std::string url = std::string("https://www.googleapis.com/language/translate/v2/languages?key=") + key + "&target=en"; + return url; } // virtual @@ -154,28 +380,66 @@ std::string LLGoogleTranslationHandler::getAPIKey() return gSavedSettings.getString("GoogleTranslateAPIKey"); } +/*virtual*/ +void LLGoogleTranslationHandler::verifyKey(const std::string &key, LLTranslate::KeyVerificationResult_fn fnc) +{ + LLCoros::instance().launch("Google /Verify Key", boost::bind(&LLTranslationAPIHandler::verifyKeyCoro, + this, LLTranslate::SERVICE_GOOGLE, key, fnc)); +} + + +//========================================================================= +/// Microsoft Translator v2 API handler. +class LLBingTranslationHandler : public LLTranslationAPIHandler +{ + LOG_CLASS(LLBingTranslationHandler); + +public: + /*virtual*/ std::string getTranslateURL( + const std::string &from_lang, + const std::string &to_lang, + const std::string &text) const; + /*virtual*/ std::string getKeyVerificationURL( + const std::string &key) const; + /*virtual*/ bool parseResponse( + int& status, + const std::string& body, + std::string& translation, + std::string& detected_lang, + std::string& err_msg) const; + /*virtual*/ bool isConfigured() const; + + /*virtual*/ void verifyKey(const std::string &key, LLTranslate::KeyVerificationResult_fn fnc); +private: + static std::string getAPIKey(); + static std::string getAPILanguageCode(const std::string& lang); + +}; + +//------------------------------------------------------------------------- // virtual -void LLBingTranslationHandler::getTranslateURL( - std::string &url, +std::string LLBingTranslationHandler::getTranslateURL( const std::string &from_lang, const std::string &to_lang, const std::string &text) const { - url = std::string("http://api.microsofttranslator.com/v2/Http.svc/Translate?appId=") + std::string url = std::string("http://api.microsofttranslator.com/v2/Http.svc/Translate?appId=") + getAPIKey() + "&text=" + LLURI::escape(text) + "&to=" + getAPILanguageCode(to_lang); if (!from_lang.empty()) { url += "&from=" + getAPILanguageCode(from_lang); } + return url; } + // virtual -void LLBingTranslationHandler::getKeyVerificationURL( - std::string& url, +std::string LLBingTranslationHandler::getKeyVerificationURL( const std::string& key) const { - url = std::string("http://api.microsofttranslator.com/v2/Http.svc/GetLanguagesForTranslate?appId=") + std::string url = std::string("http://api.microsofttranslator.com/v2/Http.svc/GetLanguagesForTranslate?appId=") + key; + return url; } // virtual @@ -242,96 +506,31 @@ std::string LLBingTranslationHandler::getAPILanguageCode(const std::string& lang return lang == "zh" ? "zh-CHT" : lang; // treat Chinese as Traditional Chinese } -LLTranslate::TranslationReceiver::TranslationReceiver(const std::string& from_lang, const std::string& to_lang) -: mFromLang(from_lang) -, mToLang(to_lang) -, mHandler(LLTranslate::getPreferredHandler()) +/*virtual*/ +void LLBingTranslationHandler::verifyKey(const std::string &key, LLTranslate::KeyVerificationResult_fn fnc) { + LLCoros::instance().launch("Bing /Verify Key", boost::bind(&LLTranslationAPIHandler::verifyKeyCoro, + this, LLTranslate::SERVICE_BING, key, fnc)); } -// virtual -void LLTranslate::TranslationReceiver::completedRaw( - const LLChannelDescriptors& channels, - const LLIOPipe::buffer_ptr_t& buffer) +//========================================================================= +/*static*/ +void LLTranslate::translateMessage(const std::string &from_lang, const std::string &to_lang, + const std::string &mesg, TranslationSuccess_fn success, TranslationFailure_fn failure) { - LLBufferStream istr(channels, buffer.get()); - std::stringstream strstrm; - strstrm << istr.rdbuf(); - - const std::string body = strstrm.str(); - std::string translation, detected_lang, err_msg; - int status = getStatus(); - LL_DEBUGS("Translate") << "HTTP status: " << status << " " << getReason() << LL_ENDL; - LL_DEBUGS("Translate") << "Response body: " << body << LL_ENDL; - if (mHandler.parseResponse(status, body, translation, detected_lang, err_msg)) - { - // Fix up the response - LLStringUtil::replaceString(translation, "<", "<"); - LLStringUtil::replaceString(translation, ">",">"); - LLStringUtil::replaceString(translation, ""","\""); - LLStringUtil::replaceString(translation, "'","'"); - LLStringUtil::replaceString(translation, "&","&"); - LLStringUtil::replaceString(translation, "'","'"); - - handleResponse(translation, detected_lang); - } - else - { - if (err_msg.empty()) - { - err_msg = LLTrans::getString("TranslationResponseParseError"); - } + LLTranslationAPIHandler& handler = getPreferredHandler(); - LL_WARNS() << "Translation request failed: " << err_msg << LL_ENDL; - handleFailure(status, err_msg); - } + handler.translateMessage(LLTranslationAPIHandler::LanguagePair_t(from_lang, to_lang), mesg, success, failure); } -LLTranslate::KeyVerificationReceiver::KeyVerificationReceiver(EService service) -: mService(service) +/*static*/ +void LLTranslate::verifyKey(EService service, const std::string &key, KeyVerificationResult_fn fnc) { -} + LLTranslationAPIHandler& handler = getHandler(service); -LLTranslate::EService LLTranslate::KeyVerificationReceiver::getService() const -{ - return mService; + handler.verifyKey(key, fnc); } -// virtual -void LLTranslate::KeyVerificationReceiver::completedRaw( - const LLChannelDescriptors& channels, - const LLIOPipe::buffer_ptr_t& buffer) -{ - bool ok = (getStatus() == HTTP_OK); - setVerificationStatus(ok); -} - -//static -void LLTranslate::translateMessage( - TranslationReceiverPtr &receiver, - const std::string &from_lang, - const std::string &to_lang, - const std::string &mesg) -{ - std::string url; - receiver->mHandler.getTranslateURL(url, from_lang, to_lang, mesg); - - LL_DEBUGS("Translate") << "Sending translation request: " << url << LL_ENDL; - sendRequest(url, receiver); -} - -// static -void LLTranslate::verifyKey( - KeyVerificationReceiverPtr& receiver, - const std::string& key) -{ - std::string url; - const LLTranslationAPIHandler& handler = getHandler(receiver->getService()); - handler.getKeyVerificationURL(url, key); - - LL_DEBUGS("Translate") << "Sending key verification request: " << url << LL_ENDL; - sendRequest(url, receiver); -} //static std::string LLTranslate::getTranslateLanguage() @@ -352,7 +551,7 @@ bool LLTranslate::isTranslationConfigured() } // static -const LLTranslationAPIHandler& LLTranslate::getPreferredHandler() +LLTranslationAPIHandler& LLTranslate::getPreferredHandler() { EService service = SERVICE_BING; @@ -366,7 +565,7 @@ const LLTranslationAPIHandler& LLTranslate::getPreferredHandler() } // static -const LLTranslationAPIHandler& LLTranslate::getHandler(EService service) +LLTranslationAPIHandler& LLTranslate::getHandler(EService service) { static LLGoogleTranslationHandler google; static LLBingTranslationHandler bing; @@ -378,25 +577,3 @@ const LLTranslationAPIHandler& LLTranslate::getHandler(EService service) return bing; } - -// static -void LLTranslate::sendRequest(const std::string& url, LLHTTPClient::ResponderPtr responder) -{ - static const float REQUEST_TIMEOUT = 5; - static LLSD sHeader; - - if (!sHeader.size()) - { - std::string user_agent = llformat("%s %d.%d.%d (%d)", - LLVersionInfo::getChannel().c_str(), - LLVersionInfo::getMajor(), - LLVersionInfo::getMinor(), - LLVersionInfo::getPatch(), - LLVersionInfo::getBuild()); - - sHeader.insert(HTTP_OUT_HEADER_ACCEPT, HTTP_CONTENT_TEXT_PLAIN); - sHeader.insert(HTTP_OUT_HEADER_USER_AGENT, user_agent); - } - - LLHTTPClient::get(url, responder, sHeader, REQUEST_TIMEOUT); -} |