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/*
* SPDX-FileCopyrightText: 2013 - 2026 Jolla Ltd.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <QCoreApplication>
#include <QCryptographicHash>
#include <QDir>
#include <QFile>
#include <QFileInfo>
#include <QLocale>
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QQmlEngine>
#include <QQmlExtensionPlugin>
#include <QSaveFile>
#include <QSet>
#include <QStandardPaths>
#include <QTranslator>
#include <QUrl>
#include <QtQml>
class AppTranslator : public QTranslator
{
Q_OBJECT
public:
explicit AppTranslator(QObject *parent)
: QTranslator(parent)
{
qApp->installTranslator(this);
}
~AppTranslator() override
{
qApp->removeTranslator(this);
}
};
class FediverseInstanceIconCache : public QObject
{
Q_OBJECT
public:
explicit FediverseInstanceIconCache(QObject *parent = nullptr)
: QObject(parent)
, m_networkAccessManager(new QNetworkAccessManager(this))
{
}
Q_INVOKABLE QString cachedIconPath(const QString &apiHost) const
{
const QString normalizedHost = normalizeApiHost(apiHost);
if (normalizedHost.isEmpty()) {
return QString();
}
const QString prefix = iconPrefix(normalizedHost);
const QDir dir(cacheDirectory());
const QStringList matches = dir.entryList(QStringList() << (prefix + QStringLiteral(".*")), QDir::Files);
if (matches.isEmpty()) {
return QString();
}
return dir.absoluteFilePath(matches.first());
}
Q_INVOKABLE void cacheIcon(const QString &apiHost, const QString &iconUrl)
{
const QString normalizedHost = normalizeApiHost(apiHost);
const QUrl normalizedUrl = QUrl::fromUserInput(iconUrl);
if (normalizedHost.isEmpty() || !normalizedUrl.isValid() || normalizedUrl.scheme().isEmpty()) {
emit iconError(apiHost);
return;
}
const QString existingPath = cachedIconPath(normalizedHost);
if (!existingPath.isEmpty()) {
emit iconReady(normalizedHost, existingPath);
return;
}
if (m_hostsInFlight.contains(normalizedHost)) {
return;
}
QNetworkReply *reply = m_networkAccessManager->get(QNetworkRequest(normalizedUrl));
reply->setProperty("apiHost", normalizedHost);
connect(reply, &QNetworkReply::finished, this, [this, reply]() { handleReply(reply); });
m_hostsInFlight.insert(normalizedHost);
}
Q_SIGNALS:
void iconReady(const QString &apiHost, const QString &iconPath);
void iconError(const QString &apiHost);
private:
static QString normalizeApiHost(const QString &rawHost)
{
QString host = rawHost.trimmed();
if (host.isEmpty()) {
return QString();
}
if (!host.startsWith(QLatin1String("https://")) && !host.startsWith(QLatin1String("http://"))) {
host.prepend(QStringLiteral("https://"));
}
const QUrl url(host);
if (!url.isValid() || url.host().isEmpty()) {
return QString();
}
QString normalized = QString::fromLatin1(url.toEncoded(QUrl::RemovePath | QUrl::RemoveQuery | QUrl::RemoveFragment));
if (normalized.endsWith(QLatin1Char('/'))) {
normalized.chop(1);
}
return normalized;
}
static QString cacheDirectory()
{
const QString base = QStandardPaths::writableLocation(QStandardPaths::GenericCacheLocation);
return base + QStringLiteral("/sailfish-account-fediverse/icons");
}
static QString iconPrefix(const QString &apiHost)
{
return QString::fromLatin1(QCryptographicHash::hash(apiHost.toUtf8(), QCryptographicHash::Sha1).toHex());
}
static QString extensionForReply(QNetworkReply *reply)
{
const QString suffix = QFileInfo(reply->url().path()).suffix().trimmed().toLower();
if (!suffix.isEmpty()) {
return suffix;
}
const QString contentType = QString::fromLatin1(reply->header(QNetworkRequest::ContentTypeHeader).toByteArray()).toLower();
if (contentType.contains(QLatin1String("png"))) {
return QStringLiteral("png");
}
if (contentType.contains(QLatin1String("jpeg")) || contentType.contains(QLatin1String("jpg"))) {
return QStringLiteral("jpg");
}
if (contentType.contains(QLatin1String("webp"))) {
return QStringLiteral("webp");
}
if (contentType.contains(QLatin1String("svg"))) {
return QStringLiteral("svg");
}
return QStringLiteral("img");
}
void handleReply(QNetworkReply *reply)
{
const QString apiHost = reply->property("apiHost").toString();
m_hostsInFlight.remove(apiHost);
const int httpCode = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
const bool success = reply->error() == QNetworkReply::NoError && httpCode >= 200 && httpCode < 300;
const QString extension = extensionForReply(reply);
const QByteArray data = reply->readAll();
reply->deleteLater();
if (!success || data.isEmpty()) {
emit iconError(apiHost);
return;
}
const QString dirPath = cacheDirectory();
QDir dir;
if (!dir.mkpath(dirPath)) {
emit iconError(apiHost);
return;
}
const QString prefix = iconPrefix(apiHost);
const QDir cacheDir(dirPath);
const QStringList matches = cacheDir.entryList(QStringList() << (prefix + QStringLiteral(".*")), QDir::Files);
for (const QString &match : matches) {
QFile::remove(cacheDir.absoluteFilePath(match));
}
const QString filePath = cacheDir.absoluteFilePath(prefix + QStringLiteral(".") + extension);
QSaveFile file(filePath);
if (!file.open(QIODevice::WriteOnly) || file.write(data) != data.size() || !file.commit()) {
emit iconError(apiHost);
return;
}
emit iconReady(apiHost, filePath);
}
QNetworkAccessManager *m_networkAccessManager;
QSet<QString> m_hostsInFlight;
};
class FediverseAccountsTranslationsPlugin : public QQmlExtensionPlugin
{
Q_OBJECT
Q_PLUGIN_METADATA(IID "com.jolla.settings.accounts.fediverse")
public:
void initializeEngine(QQmlEngine *engine, const char *uri) override
{
Q_UNUSED(uri)
AppTranslator *engineeringEnglish = new AppTranslator(engine);
engineeringEnglish->load("settings-accounts-fediverse_eng_en", "/usr/share/translations");
AppTranslator *translator = new AppTranslator(engine);
translator->load(QLocale(), "settings-accounts-fediverse", "-", "/usr/share/translations");
}
void registerTypes(const char *uri) override
{
Q_ASSERT(QLatin1String(uri) == QLatin1String("com.jolla.settings.accounts.fediverse"));
qmlRegisterUncreatableType<FediverseAccountsTranslationsPlugin>(uri, 1, 0,
"FediverseTranslationPlugin",
QString());
qmlRegisterType<FediverseInstanceIconCache>(uri, 1, 0, "FediverseInstanceIconCache");
}
};
#include "plugin.moc"
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