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feat: use alternative Google Translate API

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This commit is contained in:
Bush2021
2025-10-08 15:00:17 -04:00
committed by GitHub
parent 78dd5511c7
commit da668a7905
1 changed files with 77 additions and 20 deletions
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Telegram/SourceFiles/ayu/features/translator/implementations/google.cpp
+77 -20
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@@ -8,17 +8,60 @@
#include <memory>
#include <QtCore/QJsonArray>
#include <QtCore/QJsonDocument>
#include <QtCore/QJsonObject>
#include <QtCore/QJsonValue>
#include <QtCore/QPointer>
#include <QtCore/QStringList>
#include <QtCore/QTimer>
#include <QtNetwork/QNetworkRequest>
#include <QtNetwork/QNetworkReply>
#include <QtCore/QUrl>
#include <QtCore/QUrlQuery>
#include <QtGui/QTextDocument>
#include "ayu/features/translator/html_parser.h"
namespace Ayu::Translator {
namespace {
constexpr auto kGoogleTranslateUrl = "https://translate-pa.googleapis.com/v1/translateHtml";
constexpr auto kGoogleContentType = "application/json+protobuf";
constexpr auto kGoogleDefaultApiKey = "AIzaSyATBXajvzQLTDHEQbcpq0Ihe0vWDHmO520";
QString decodeHtmlEntities(const QString &text) {
QTextDocument doc;
doc.setHtml(text);
return doc.toPlainText();
}
QStringList collectStrings(const QJsonValue &value) {
QStringList result;
if (value.isString()) {
result.push_back(value.toString());
return result;
}
if (value.isArray()) {
const auto arr = value.toArray();
for (const auto &item : arr) {
result.append(collectStrings(item));
}
return result;
}
if (value.isObject()) {
const auto obj = value.toObject();
if (obj.contains(QStringLiteral("text"))) {
result.append(collectStrings(obj.value(QStringLiteral("text"))));
}
if (obj.contains(QStringLiteral("trans"))) {
result.append(collectStrings(obj.value(QStringLiteral("trans"))));
}
}
return result;
}
} // namespace
GoogleTranslator &GoogleTranslator::instance() {
static GoogleTranslator inst;
return inst;
@@ -45,24 +88,26 @@ QPointer<QNetworkReply> GoogleTranslator::startSingleTranslation(
const auto from = fromLang.trimmed().isEmpty() ? QStringLiteral("auto") : fromLang.trimmed();
const auto to = toLang.trimmed();
QUrl url(QStringLiteral("https://translate.googleapis.com/translate_a/single"));
QUrlQuery query;
query.addQueryItem(QStringLiteral("dj"), QStringLiteral("1"));
query.addQueryItem(QStringLiteral("q"), shouldWrapInHtml() ? Html::entitiesToHtml(text) : text.text);
query.addQueryItem(QStringLiteral("sl"), from);
query.addQueryItem(QStringLiteral("tl"), to);
query.addQueryItem(QStringLiteral("ie"), QStringLiteral("UTF-8"));
query.addQueryItem(QStringLiteral("oe"), QStringLiteral("UTF-8"));
query.addQueryItem(QStringLiteral("client"), QStringLiteral("at"));
query.addQueryItem(QStringLiteral("dt"), QStringLiteral("t"));
query.addQueryItem(QStringLiteral("otf"), QStringLiteral("2"));
url.setQuery(query);
const auto preparedText = shouldWrapInHtml() ? Html::entitiesToHtml(text) : text.text;
QJsonArray requestRoot;
QJsonArray requestPayload;
QJsonArray requestText;
requestText.append(preparedText);
requestPayload.append(requestText);
requestPayload.append(from);
requestPayload.append(to);
requestRoot.append(requestPayload);
requestRoot.append(QStringLiteral("wt_lib"));
const auto body = QJsonDocument(requestRoot).toJson(QJsonDocument::Compact);
QNetworkRequest req(url);
QNetworkRequest req(QUrl(QString::fromLatin1(kGoogleTranslateUrl)));
const auto userAgent = randomDesktopUserAgent();
req.setHeader(QNetworkRequest::UserAgentHeader, userAgent);
req.setHeader(QNetworkRequest::ContentTypeHeader, QString::fromLatin1(kGoogleContentType));
req.setRawHeader(QByteArrayLiteral("Accept"), QByteArrayLiteral("application/json"));
req.setRawHeader(QByteArrayLiteral("X-Goog-Api-Key"), QByteArray(kGoogleDefaultApiKey));
QPointer<QNetworkReply> reply = _nam.get(req);
QPointer<QNetworkReply> reply = _nam.post(req, body);
auto timer = new QTimer(reply);
timer->setSingleShot(true);
@@ -92,15 +137,27 @@ QPointer<QNetworkReply> GoogleTranslator::startSingleTranslation(
return;
}
const auto body = reply->readAll();
bool ok = false;
const auto textOut = parseJsonPath(body, QStringLiteral("sentences"), &ok);
if (!ok) {
QJsonParseError parseError{};
const auto doc = QJsonDocument::fromJson(body, &parseError);
if (parseError.error != QJsonParseError::NoError || !doc.isArray()) {
if (onFail) onFail();
return;
}
const auto root = doc.array();
if (root.isEmpty()) {
if (onFail) onFail();
return;
}
const auto translatedItems = collectStrings(root.at(0));
const auto textOutCombined = translatedItems.join(QStringLiteral(" "));
if (textOutCombined.trimmed().isEmpty()) {
if (onFail) onFail();
return;
}
const auto decodedText = decodeHtmlEntities(textOutCombined);
if (onSuccess) onSuccess(shouldWrapInHtml()
? Html::htmlToEntities(textOut)
: TextWithEntities{textOut});
? Html::htmlToEntities(decodedText)
: TextWithEntities{decodedText});
});
return reply;