diff --git a/libdiscover/backends/FlatpakBackend/FlatpakBackend.cpp b/libdiscover/backends/FlatpakBackend/FlatpakBackend.cpp index f72da7d8..178c233f 100644 --- a/libdiscover/backends/FlatpakBackend/FlatpakBackend.cpp +++ b/libdiscover/backends/FlatpakBackend/FlatpakBackend.cpp @@ -1,1255 +1,1255 @@ /*************************************************************************** * Copyright © 2013 Aleix Pol Gonzalez * * Copyright © 2017 Jan Grulich * * * * This program is free software; you can redistribute it and/or * * modify it under the terms of the GNU General Public License as * * published by the Free Software Foundation; either version 2 of * * the License or (at your option) version 3 or any later version * * accepted by the membership of KDE e.V. (or its successor approved * * by the membership of KDE e.V.), which shall act as a proxy * * defined in Section 14 of version 3 of the license. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program. If not, see . * ***************************************************************************/ #include "FlatpakBackend.h" #include "FlatpakFetchDataJob.h" #include "FlatpakResource.h" #include "FlatpakSourcesBackend.h" #include "FlatpakTransaction.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include MUON_BACKEND_PLUGIN(FlatpakBackend) FlatpakBackend::FlatpakBackend(QObject* parent) : AbstractResourcesBackend(parent) , m_updater(new StandardBackendUpdater(this)) , m_reviews(AppStreamIntegration::global()->reviews()) , m_fetching(false) , m_threadPool(new QThreadPool(this)) { g_autoptr(GError) error = nullptr; m_cancellable = g_cancellable_new(); connect(m_updater, &StandardBackendUpdater::updatesCountChanged, this, &FlatpakBackend::updatesCountChanged); // Load flatpak installation if (!setupFlatpakInstallations(&error)) { qWarning() << "Failed to setup flatpak installations:" << error->message; } else { reloadPackageList(); checkForUpdates(); m_sources = new FlatpakSourcesBackend(m_installations, this); SourcesModel::global()->addSourcesBackend(m_sources); } connect(m_reviews.data(), &OdrsReviewsBackend::ratingsReady, this, &FlatpakBackend::announceRatingsReady); } FlatpakBackend::~FlatpakBackend() { m_threadPool.clear(); for(auto inst : m_installations) g_object_unref(inst); g_object_unref(m_cancellable); } bool FlatpakBackend::isValid() const { return m_sources && !m_installations.isEmpty(); } void FlatpakBackend::announceRatingsReady() { emitRatingsReady(); const auto ids = m_reviews->appstreamIds().toSet(); foreach(AbstractResource* res, m_resources) { if (ids.contains(res->appstreamId())) { res->ratingFetched(); } } } class FlatpakFetchRemoteResourceJob : public QNetworkAccessManager { Q_OBJECT public: FlatpakFetchRemoteResourceJob(const QUrl &url, FlatpakBackend *backend) : QNetworkAccessManager(backend) , m_backend(backend) , m_url(url) { } void start() { auto replyGet = get(QNetworkRequest(m_url)); connect(replyGet, &QNetworkReply::finished, this, [this, replyGet] { const QUrl originalUrl = replyGet->request().url(); if (replyGet->error() != QNetworkReply::NoError) { qWarning() << "couldn't download" << originalUrl << replyGet->errorString(); Q_EMIT jobFinished(false, nullptr); return; } const QUrl fileUrl = QUrl::fromLocalFile(QStandardPaths::writableLocation(QStandardPaths::TempLocation) + QLatin1Char('/') + originalUrl.fileName()); auto replyPut = put(QNetworkRequest(fileUrl), replyGet->readAll()); connect(replyPut, &QNetworkReply::finished, this, [this, originalUrl, fileUrl, replyPut]() { if (replyPut->error() == QNetworkReply::NoError) { auto res = m_backend->resourceForFile(fileUrl); if (res) { FlatpakResource *resource = qobject_cast(res); resource->setResourceFile(originalUrl); Q_EMIT jobFinished(true, resource); } else { qWarning() << "couldn't download" << originalUrl << "into" << fileUrl << replyPut->errorString(); Q_EMIT jobFinished(false, nullptr); } } }); }); } Q_SIGNALS: void jobFinished(bool success, FlatpakResource *resource); private: FlatpakBackend *m_backend; QUrl m_url; }; FlatpakRemote * FlatpakBackend::getFlatpakRemoteByUrl(const QString &url, FlatpakInstallation *installation) const { auto remotes = flatpak_installation_list_remotes(installation, m_cancellable, nullptr); if (!remotes) { return nullptr; } const QByteArray comparableUrl = url.toUtf8(); for (uint i = 0; i < remotes->len; i++) { FlatpakRemote *remote = FLATPAK_REMOTE(g_ptr_array_index(remotes, i)); if (comparableUrl == flatpak_remote_get_url(remote)) { return remote; } } return nullptr; } -FlatpakInstalledRef * FlatpakBackend::getInstalledRefForApp(FlatpakInstallation *flatpakInstallation, FlatpakResource *resource) +FlatpakInstalledRef * FlatpakBackend::getInstalledRefForApp(FlatpakInstallation *flatpakInstallation, FlatpakResource *resource) const { AppStream::Component component = resource->appstreamComponent(); AppStream::Component::Kind appKind = component.kind(); FlatpakInstalledRef *ref = nullptr; GPtrArray *installedApps = nullptr; g_autoptr(GError) localError = nullptr; if (!flatpakInstallation) { return ref; } ref = flatpak_installation_get_installed_ref(flatpakInstallation, resource->type() == FlatpakResource::DesktopApp ? FLATPAK_REF_KIND_APP : FLATPAK_REF_KIND_RUNTIME, resource->flatpakName().toUtf8().constData(), resource->arch().toUtf8().constData(), resource->branch().toUtf8().constData(), m_cancellable, &localError); // If we found installed ref this way, we can return it if (ref) { return ref; } // Otherwise go through all installed apps and try to match info we have installedApps = flatpak_installation_list_installed_refs_by_kind(flatpakInstallation, appKind == AppStream::Component::KindDesktopApp ? FLATPAK_REF_KIND_APP : FLATPAK_REF_KIND_RUNTIME, m_cancellable, &localError); if (!installedApps) { return ref; } for (uint i = 0; i < installedApps->len; i++) { FlatpakInstalledRef *installedRef = FLATPAK_INSTALLED_REF(g_ptr_array_index(installedApps, i)); // Check if the installed_reference and app_id are the same and update the app with installed metadata if (compareAppFlatpakRef(flatpakInstallation, resource, installedRef)) { return installedRef; } } // We found nothing, return nullptr return ref; } -FlatpakResource * FlatpakBackend::getAppForInstalledRef(FlatpakInstallation *flatpakInstallation, FlatpakInstalledRef *ref) +FlatpakResource * FlatpakBackend::getAppForInstalledRef(FlatpakInstallation *flatpakInstallation, FlatpakInstalledRef *ref) const { foreach (FlatpakResource *resource, m_resources) { if (compareAppFlatpakRef(flatpakInstallation, resource, ref)) { return resource; } } return nullptr; } -FlatpakResource * FlatpakBackend::getRuntimeForApp(FlatpakResource *resource) +FlatpakResource * FlatpakBackend::getRuntimeForApp(FlatpakResource *resource) const { FlatpakResource *runtime = nullptr; const auto runtimeInfo = resource->runtime().split(QLatin1Char('/')); if (runtimeInfo.count() != 3) { return runtime; } const QString runtimeId = QStringLiteral("runtime/") + runtimeInfo.at(0) + QLatin1Char('/') + runtimeInfo.at(2); foreach (const QString &id, m_resources.keys()) { if (id.endsWith(runtimeId)) { runtime = m_resources.value(id); break; } } // TODO if runtime wasn't found, create a new one from available info return runtime; } FlatpakResource * FlatpakBackend::addAppFromFlatpakBundle(const QUrl &url) { g_autoptr(GBytes) appstreamGz = nullptr; g_autoptr(GError) localError = nullptr; g_autoptr(GFile) file = nullptr; g_autoptr(FlatpakBundleRef) bundleRef = nullptr; AppStream::Component asComponent; file = g_file_new_for_path(url.toLocalFile().toUtf8().constData()); bundleRef = flatpak_bundle_ref_new(file, &localError); if (!bundleRef) { qWarning() << "Failed to load bundle:" << localError->message; return nullptr; } appstreamGz = flatpak_bundle_ref_get_appstream(bundleRef); if (appstreamGz) { g_autoptr(GZlibDecompressor) decompressor = nullptr; g_autoptr(GInputStream) streamGz = nullptr; g_autoptr(GInputStream) streamData = nullptr; g_autoptr(GBytes) appstream = nullptr; /* decompress data */ decompressor = g_zlib_decompressor_new (G_ZLIB_COMPRESSOR_FORMAT_GZIP); streamGz = g_memory_input_stream_new_from_bytes (appstreamGz); if (!streamGz) { return nullptr; } streamData = g_converter_input_stream_new (streamGz, G_CONVERTER (decompressor)); appstream = g_input_stream_read_bytes (streamData, 0x100000, m_cancellable, &localError); if (!appstream) { qWarning() << "Failed to extract appstream metadata from bundle:" << localError->message; return nullptr; } gsize len = 0; gconstpointer data = g_bytes_get_data(appstream, &len); g_autofree gchar *appstreamContent = g_strndup((char*)data, len); AppStream::Metadata metadata; metadata.setFormatStyle(AppStream::Metadata::FormatStyleCollection); AppStream::Metadata::MetadataError error = metadata.parse(QString::fromUtf8(appstreamContent), AppStream::Metadata::FormatKindXml); if (error != AppStream::Metadata::MetadataErrorNoError) { qWarning() << "Failed to parse appstream metadata: " << error; return nullptr; } QList components = metadata.components(); if (components.size()) { asComponent = AppStream::Component(components.first()); } else { qWarning() << "Failed to parse appstream metadata"; return nullptr; } } else { asComponent = AppStream::Component(); qWarning() << "No appstream metadata in bundle"; } gsize len = 0; g_autoptr(GBytes) iconData = nullptr; g_autoptr(GBytes) metadata = nullptr; FlatpakResource *resource = new FlatpakResource(asComponent, preferredInstallation(), this); metadata = flatpak_bundle_ref_get_metadata(bundleRef); QByteArray metadataContent = QByteArray((char *)g_bytes_get_data(metadata, &len)); if (!updateAppMetadata(resource, metadataContent)) { delete resource; qWarning() << "Failed to update metadata from app bundle"; return nullptr; } iconData = flatpak_bundle_ref_get_icon(bundleRef, 128); if (!iconData) { iconData = flatpak_bundle_ref_get_icon(bundleRef, 64); } if (iconData) { gsize len = 0; QPixmap pixmap; char * data = (char *)g_bytes_get_data(iconData, &len); QByteArray icon = QByteArray(data, len); pixmap.loadFromData(icon, "PNG"); resource->setBundledIcon(pixmap); } const QString origin = QString::fromUtf8(flatpak_bundle_ref_get_origin(bundleRef)); resource->setDownloadSize(0); resource->setInstalledSize(flatpak_bundle_ref_get_installed_size(bundleRef)); resource->setPropertyState(FlatpakResource::DownloadSize, FlatpakResource::AlreadyKnown); resource->setPropertyState(FlatpakResource::InstalledSize, FlatpakResource::AlreadyKnown); resource->setFlatpakFileType(QStringLiteral("flatpak")); resource->setOrigin(origin.isEmpty() ? i18n("Local bundle") : origin); resource->setResourceFile(url); resource->setState(FlatpakResource::None); resource->setType(FlatpakResource::DesktopApp); addResource(resource); return resource; } FlatpakResource * FlatpakBackend::addAppFromFlatpakRef(const QUrl &url) { QSettings settings(url.toLocalFile(), QSettings::NativeFormat); const QString refurl = settings.value(QStringLiteral("Flatpak Ref/Url")).toString(); g_autoptr(GError) error = NULL; g_autoptr(FlatpakRemoteRef) remoteRef = nullptr; { QFile f(url.toLocalFile()); if (!f.open(QFile::ReadOnly | QFile::Text)) { return nullptr; } QByteArray contents = f.readAll(); g_autoptr(GBytes) bytes = g_bytes_new (contents.data(), contents.size()); remoteRef = flatpak_installation_install_ref_file (preferredInstallation(), bytes, m_cancellable, &error); if (!remoteRef) { qWarning() << "Failed to install ref file:" << error->message; return nullptr; } } const auto remoteName = flatpak_remote_ref_get_remote_name(remoteRef); auto ref = FLATPAK_REF(remoteRef); AppStream::Component asComponent; asComponent.addUrl(AppStream::Component::UrlKindHomepage, settings.value(QStringLiteral("Flatpak Ref/Homepage")).toString()); asComponent.setDescription(settings.value(QStringLiteral("Flatpak Ref/Description")).toString()); asComponent.setName(settings.value(QStringLiteral("Flatpak Ref/Title")).toString()); asComponent.setSummary(settings.value(QStringLiteral("Flatpak Ref/Comment")).toString()); asComponent.setId(settings.value(QStringLiteral("Flatpak Ref/Name")).toString()); const QString iconUrl = settings.value(QStringLiteral("Flatpak Ref/Icon")).toString(); if (!iconUrl.isEmpty()) { AppStream::Icon icon; icon.setKind(AppStream::Icon::KindRemote); icon.setUrl(QUrl(iconUrl)); asComponent.addIcon(icon); } auto resource = new FlatpakResource(asComponent, preferredInstallation(), this); resource->setFlatpakFileType(QStringLiteral("flatpakref")); resource->setOrigin(QString::fromUtf8(remoteName)); resource->updateFromRef(ref); QUrl runtimeUrl = QUrl(settings.value(QStringLiteral("Flatpak Ref/RuntimeRepo")).toString()); if (!runtimeUrl.isEmpty()) { auto installation = preferredInstallation(); // We need to fetch metadata to find information about required runtime auto fw = new QFutureWatcher(this); fw->setFuture(QtConcurrent::run(&m_threadPool, &FlatpakRunnables::fetchMetadata, installation, resource)); connect(fw, &QFutureWatcher::finished, this, [this, installation, resource, fw, runtimeUrl]() { const auto metadata = fw->result(); // Even when we failed to fetch information about runtime we still want to show the application if (metadata.isEmpty()) { onFetchMetadataFinished(installation, resource, metadata); } else { updateAppMetadata(resource, metadata); auto runtime = getRuntimeForApp(resource); if (!runtime || (runtime && !runtime->isInstalled())) { FlatpakFetchRemoteResourceJob *fetchRemoteResource = new FlatpakFetchRemoteResourceJob(runtimeUrl, this); connect(fetchRemoteResource, &FlatpakFetchRemoteResourceJob::jobFinished, this, [this, resource] (bool success, FlatpakResource *repoResource) { if (success) { installApplication(repoResource); } addResource(resource); }); fetchRemoteResource->start(); return; } else { addResource(resource); } } fw->deleteLater(); }); } else { addResource(resource); } return resource; } FlatpakResource * FlatpakBackend::addSourceFromFlatpakRepo(const QUrl &url) { Q_ASSERT(url.isLocalFile()); QSettings settings(url.toLocalFile(), QSettings::NativeFormat); const QString gpgKey = settings.value(QStringLiteral("Flatpak Repo/GPGKey")).toString(); const QString title = settings.value(QStringLiteral("Flatpak Repo/Title")).toString(); const QString repoUrl = settings.value(QStringLiteral("Flatpak Repo/Url")).toString(); if (gpgKey.isEmpty() || title.isEmpty() || repoUrl.isEmpty()) { return nullptr; } if (gpgKey.startsWith(QStringLiteral("http://")) || gpgKey.startsWith(QStringLiteral("https://"))) { return nullptr; } AppStream::Component asComponent; asComponent.addUrl(AppStream::Component::UrlKindHomepage, settings.value(QStringLiteral("Flatpak Repo/Homepage")).toString()); asComponent.setSummary(settings.value(QStringLiteral("Flatpak Repo/Comment")).toString()); asComponent.setDescription(settings.value(QStringLiteral("Flatpak Repo/Description")).toString()); asComponent.setName(title); asComponent.setId(settings.value(QStringLiteral("Flatpak Ref/Name")).toString()); const QString iconUrl = settings.value(QStringLiteral("Flatpak Repo/Icon")).toString(); if (!iconUrl.isEmpty()) { AppStream::Icon icon; icon.setKind(AppStream::Icon::KindRemote); icon.setUrl(QUrl(iconUrl)); asComponent.addIcon(icon); } auto resource = new FlatpakResource(asComponent, preferredInstallation(), this); // Use metadata only for stuff which are not common for all resources resource->addMetadata(QStringLiteral("gpg-key"), gpgKey); resource->addMetadata(QStringLiteral("repo-url"), repoUrl); resource->setBranch(settings.value(QStringLiteral("Flatpak Repo/DefaultBranch")).toString()); resource->setFlatpakName(url.fileName().remove(QStringLiteral(".flatpakrepo"))); resource->setType(FlatpakResource::Source); auto repo = flatpak_installation_get_remote_by_name(preferredInstallation(), resource->flatpakName().toUtf8().constData(), m_cancellable, nullptr); if (!repo) { resource->setState(AbstractResource::State::None); } else { resource->setState(AbstractResource::State::Installed); } return resource; } void FlatpakBackend::addResource(FlatpakResource *resource) { // Update app with all possible information we have if (!parseMetadataFromAppBundle(resource)) { qWarning() << "Failed to parse metadata from app bundle for" << resource->name(); } auto installation = resource->installation(); updateAppState(installation, resource); // This will update also metadata (required runtime) updateAppSize(installation, resource); connect(resource, &FlatpakResource::stateChanged, this, &FlatpakBackend::updatesCountChanged); m_resources.insert(resource->uniqueId(), resource); } -bool FlatpakBackend::compareAppFlatpakRef(FlatpakInstallation *flatpakInstallation, FlatpakResource *resource, FlatpakInstalledRef *ref) +bool FlatpakBackend::compareAppFlatpakRef(FlatpakInstallation *flatpakInstallation, FlatpakResource *resource, FlatpakInstalledRef *ref) const { const QString arch = QString::fromUtf8(flatpak_ref_get_arch(FLATPAK_REF(ref))); const QString branch = QString::fromUtf8(flatpak_ref_get_branch(FLATPAK_REF(ref))); const FlatpakResource::ResourceType appType = flatpak_ref_get_kind(FLATPAK_REF(ref)) == FLATPAK_REF_KIND_APP ? FlatpakResource::DesktopApp : FlatpakResource::Runtime; const QString name = QLatin1String(flatpak_ref_get_name(FLATPAK_REF(ref))); const QString appId = appType == FlatpakResource::DesktopApp ? QLatin1String(flatpak_ref_get_name(FLATPAK_REF(ref))) + QStringLiteral(".desktop") : name; const QString uniqueId = QStringLiteral("%1/%2/%3/%4/%5/%6").arg(FlatpakResource::installationPath(flatpakInstallation)) .arg(QLatin1String("flatpak")) .arg(QString::fromUtf8(flatpak_installed_ref_get_origin(ref))) .arg(FlatpakResource::typeAsString(appType)) .arg(appId) .arg(branch); // Compare uniqueId first then attempt to compare what we have if (resource->uniqueId() == uniqueId) { return true; } // Check if we have information about architecture and branch, otherwise compare names only // Happens with apps which don't have appstream metadata bug got here thanks to installed desktop file if (!resource->arch().isEmpty() && !resource->branch().isEmpty()) { return resource->arch() == arch && resource->branch() == branch && (resource->flatpakName() == appId || resource->flatpakName() == name); } return resource->flatpakName() == appId || resource->flatpakName() == name; } class FlatpakSource { public: FlatpakSource(FlatpakRemote* remote) : m_remote(remote) {} bool isEnabled() const { return !flatpak_remote_get_disabled(m_remote); } QString appstreamDir() const { g_autoptr(GFile) appstreamDir = flatpak_remote_get_appstream_dir(m_remote, nullptr); if (!appstreamDir) { qWarning() << "No appstream dir for" << flatpak_remote_get_name(m_remote); return {}; } return QString::fromUtf8(g_file_get_path(appstreamDir)); } QString name() const { return QString::fromUtf8(flatpak_remote_get_name(m_remote)); } private: FlatpakRemote* m_remote; }; bool FlatpakBackend::loadAppsFromAppstreamData(FlatpakInstallation *flatpakInstallation) { Q_ASSERT(flatpakInstallation); GPtrArray *remotes = flatpak_installation_list_remotes(flatpakInstallation, m_cancellable, nullptr); if (!remotes) { return false; } for (uint i = 0; i < remotes->len; i++) { FlatpakRemote *remote = FLATPAK_REMOTE(g_ptr_array_index(remotes, i)); g_autoptr(GFile) fileTimestamp = flatpak_remote_get_appstream_timestamp(remote, nullptr); QFileInfo fileInfo = QFileInfo(QString::fromUtf8(g_file_get_path(fileTimestamp))); // Refresh appstream metadata in case they have never been refreshed or the cache is older than 6 hours if (!fileInfo.exists() || fileInfo.lastModified().toUTC().secsTo(QDateTime::currentDateTimeUtc()) > 21600) { refreshAppstreamMetadata(flatpakInstallation, remote); } else { integrateRemote(flatpakInstallation, remote); } } return true; } void FlatpakBackend::integrateRemote(FlatpakInstallation *flatpakInstallation, FlatpakRemote *remote) { FlatpakSource source(remote); if (!source.isEnabled() || flatpak_remote_get_noenumerate(remote)) { return; } const QString appstreamDirPath = source.appstreamDir(); const QString appstreamIconsPath = source.appstreamDir() + QLatin1String("/icons/"); const QString appDirFileName = appstreamDirPath + QLatin1String("/appstream.xml.gz"); if (!QFile::exists(appDirFileName)) { qWarning() << "No" << appDirFileName << "appstream metadata found for" << source.name(); return; } AppStream::Metadata metadata; metadata.setFormatStyle(AppStream::Metadata::FormatStyleCollection); AppStream::Metadata::MetadataError error = metadata.parseFile(appDirFileName, AppStream::Metadata::FormatKindXml); if (error != AppStream::Metadata::MetadataErrorNoError) { qWarning() << "Failed to parse appstream metadata: " << error; return; } setFetching(true); QList components = metadata.components(); foreach (const AppStream::Component& component, components) { AppStream::Component appstreamComponent(component); FlatpakResource *resource = new FlatpakResource(appstreamComponent, flatpakInstallation, this); resource->setIconPath(appstreamIconsPath); resource->setOrigin(source.name()); addResource(resource); } setFetching(false); } bool FlatpakBackend::loadInstalledApps(FlatpakInstallation *flatpakInstallation) { Q_ASSERT(flatpakInstallation); // List installed applications from installed desktop files const QString pathExports = FlatpakResource::installationPath(flatpakInstallation) + QLatin1String("/exports/"); const QString pathApps = pathExports + QLatin1String("share/applications/"); const QDir dir(pathApps); if (dir.exists()) { foreach (const auto &file, dir.entryInfoList( QDir::Files)) { if (file.fileName() == QLatin1String("mimeinfo.cache")) { continue; } const QString fnDesktop = file.absoluteFilePath(); AppStream::Metadata metadata; AppStream::Metadata::MetadataError error = metadata.parseFile(fnDesktop, AppStream::Metadata::FormatKindDesktopEntry); if (error != AppStream::Metadata::MetadataErrorNoError) { qWarning() << "Failed to parse appstream metadata: " << error; continue; } AppStream::Component appstreamComponent(metadata.component()); FlatpakResource *resource = new FlatpakResource(appstreamComponent, flatpakInstallation, this); resource->setIconPath(pathExports); resource->setType(FlatpakResource::DesktopApp); resource->setState(AbstractResource::Installed); // Go through apps we already know about from appstream metadata bool resourceExists = false; foreach (FlatpakResource *res, m_resources) { // Compare the only information we have if (res->appstreamId() == QStringLiteral("%1.desktop").arg(resource->appstreamId()) && res->name() == resource->name()) { resourceExists = true; res->setState(resource->state()); break; } } if (!resourceExists) { addResource(resource); } else { resource->deleteLater(); } } } return true; } void FlatpakBackend::loadLocalUpdates(FlatpakInstallation *flatpakInstallation) { g_autoptr(GError) localError = nullptr; g_autoptr(GPtrArray) refs = nullptr; refs = flatpak_installation_list_installed_refs(flatpakInstallation, m_cancellable, &localError); if (!refs) { qWarning() << "Failed to get list of installed refs for listing updates:" << localError->message; return; } for (uint i = 0; i < refs->len; i++) { FlatpakInstalledRef *ref = FLATPAK_INSTALLED_REF(g_ptr_array_index(refs, i)); const gchar *latestCommit = flatpak_installed_ref_get_latest_commit(ref); if (!latestCommit) { qWarning() << "Couldn't get latest commit for" << flatpak_ref_get_name(FLATPAK_REF(ref)); continue; } const gchar *commit = flatpak_ref_get_commit(FLATPAK_REF(ref)); if (g_strcmp0(commit, latestCommit) == 0) { continue; } FlatpakResource *resource = getAppForInstalledRef(flatpakInstallation, ref); if (resource) { resource->setState(AbstractResource::Upgradeable); updateAppSize(flatpakInstallation, resource); } } } void FlatpakBackend::loadRemoteUpdates(FlatpakInstallation* installation) { auto fw = new QFutureWatcher(this); fw->setFuture(QtConcurrent::run(&m_threadPool, [installation]() -> GPtrArray * { g_autoptr(GCancellable) cancellable = g_cancellable_new(); g_autoptr(GError) localError = nullptr; GPtrArray *refs = flatpak_installation_list_installed_refs_for_update(installation, cancellable, &localError); if (!refs) { qWarning() << "Failed to get list of installed refs for listing updates: " << localError->message; } return refs; })); connect(fw, &QFutureWatcher::finished, this, [this, installation, fw](){ auto refs = fw->result(); onFetchUpdatesFinished(installation, refs); fw->deleteLater(); }); } void FlatpakBackend::onFetchUpdatesFinished(FlatpakInstallation *flatpakInstallation, GPtrArray *updates) { g_autoptr(GPtrArray) fetchedUpdates = updates; for (uint i = 0; i < fetchedUpdates->len; i++) { FlatpakInstalledRef *ref = FLATPAK_INSTALLED_REF(g_ptr_array_index(fetchedUpdates, i)); FlatpakResource *resource = getAppForInstalledRef(flatpakInstallation, ref); if (resource) { resource->setState(AbstractResource::Upgradeable); updateAppSize(flatpakInstallation, resource); } } } bool FlatpakBackend::parseMetadataFromAppBundle(FlatpakResource *resource) { g_autoptr(FlatpakRef) ref = nullptr; g_autoptr(GError) localError = nullptr; AppStream::Bundle bundle = resource->appstreamComponent().bundle(AppStream::Bundle::KindFlatpak); // Get arch/branch/commit/name from FlatpakRef if (!bundle.isEmpty()) { ref = flatpak_ref_parse(bundle.id().toUtf8().constData(), &localError); if (!ref) { qWarning() << "Failed to parse" << bundle.id() << localError->message; return false; } else { resource->updateFromRef(ref); } } return true; } class FlatpakRefreshAppstreamMetadataJob : public QThread { Q_OBJECT public: FlatpakRefreshAppstreamMetadataJob(FlatpakInstallation *installation, FlatpakRemote *remote) : QThread() , m_cancellable(g_cancellable_new()) , m_installation(installation) , m_remote(remote) { connect(this, &FlatpakRefreshAppstreamMetadataJob::finished, this, &QObject::deleteLater); } ~FlatpakRefreshAppstreamMetadataJob() { g_object_unref(m_cancellable); } void cancel() { g_cancellable_cancel(m_cancellable); } void run() override { g_autoptr(GError) localError = nullptr; #if FLATPAK_CHECK_VERSION(0,9,4) // With Flatpak 0.9.4 we can use flatpak_installation_update_appstream_full_sync() providing progress reporting which we don't use at this moment, but still // better to use newer function in case the previous one gets deprecated if (!flatpak_installation_update_appstream_full_sync(m_installation, flatpak_remote_get_name(m_remote), nullptr, nullptr, nullptr, nullptr, m_cancellable, &localError)) { #else if (!flatpak_installation_update_appstream_sync(m_installation, flatpak_remote_get_name(m_remote), nullptr, nullptr, m_cancellable, &localError)) { #endif qWarning() << "Failed to refresh appstream metadata for " << flatpak_remote_get_name(m_remote) << ": " << (localError ? localError->message : ""); Q_EMIT jobRefreshAppstreamMetadataFailed(); } else { Q_EMIT jobRefreshAppstreamMetadataFinished(m_installation, m_remote); } } Q_SIGNALS: void jobRefreshAppstreamMetadataFailed(); void jobRefreshAppstreamMetadataFinished(FlatpakInstallation *installation, FlatpakRemote *remote); private: GCancellable *m_cancellable; FlatpakInstallation *m_installation; FlatpakRemote *m_remote; }; void FlatpakBackend::refreshAppstreamMetadata(FlatpakInstallation *installation, FlatpakRemote *remote) { FlatpakRefreshAppstreamMetadataJob *job = new FlatpakRefreshAppstreamMetadataJob(installation, remote); connect(job, &FlatpakRefreshAppstreamMetadataJob::jobRefreshAppstreamMetadataFinished, this, &FlatpakBackend::integrateRemote); job->start(); } void FlatpakBackend::reloadPackageList() { setFetching(true); for (auto installation : qAsConst(m_installations)) { // Load applications from appstream metadata if (!loadAppsFromAppstreamData(installation)) { qWarning() << "Failed to load packages from appstream data from installation" << installation; } // Load installed applications and update existing resources with info from installed application if (!loadInstalledApps(installation)) { qWarning() << "Failed to load installed packages from installation" << installation; } } setFetching(false); } bool FlatpakBackend::setupFlatpakInstallations(GError **error) { GPtrArray *installations = flatpak_get_system_installations(m_cancellable, error); if (*error) { qWarning() << "Failed to call flatpak_get_system_installations:" << (*error)->message; } for (uint i = 0; installations && i < installations->len; i++) { m_installations << FLATPAK_INSTALLATION(g_ptr_array_index(installations, i)); } auto user = flatpak_installation_new_user(m_cancellable, error); if (user) { m_installations << user; } return !m_installations.isEmpty(); } void FlatpakBackend::updateAppInstalledMetadata(FlatpakInstalledRef *installedRef, FlatpakResource *resource) { // Update the rest resource->updateFromRef(FLATPAK_REF(installedRef)); resource->setInstalledSize(flatpak_installed_ref_get_installed_size(installedRef)); resource->setOrigin(QString::fromUtf8(flatpak_installed_ref_get_origin(installedRef))); resource->setState(AbstractResource::Installed); } bool FlatpakBackend::updateAppMetadata(FlatpakInstallation* flatpakInstallation, FlatpakResource *resource) { QByteArray metadataContent; g_autoptr(GFile) installationPath = nullptr; if (resource->type() != FlatpakResource::DesktopApp) { return true; } installationPath = flatpak_installation_get_path(flatpakInstallation); const QString path = QString::fromUtf8(g_file_get_path(installationPath)) + QStringLiteral("/app/%1/%2/%3/active/metadata").arg(resource->flatpakName()).arg(resource->arch()).arg(resource->branch()); if (QFile::exists(path)) { return updateAppMetadata(resource, path); } else { auto fw = new QFutureWatcher(this); fw->setFuture(QtConcurrent::run(&m_threadPool, &FlatpakRunnables::fetchMetadata, flatpakInstallation, resource)); connect(fw, &QFutureWatcher::finished, this, [this, flatpakInstallation, resource, fw]() { const auto metadata = fw->result(); if (!metadata.isEmpty()) onFetchMetadataFinished(flatpakInstallation, resource, metadata); fw->deleteLater(); }); // Return false to indicate we cannot continue (right now used only in updateAppSize()) return false; } } void FlatpakBackend::onFetchMetadataFinished(FlatpakInstallation *flatpakInstallation, FlatpakResource *resource, const QByteArray &metadata) { updateAppMetadata(resource, metadata); // Right now we attempt to update metadata for calculating the size so call updateSizeFromRemote() // as it's what we want. In future if there are other reason to update metadata we will need to somehow // distinguish betwen these calls updateAppSizeFromRemote(flatpakInstallation, resource); } bool FlatpakBackend::updateAppMetadata(FlatpakResource *resource, const QString &path) { // Parse the temporary file QSettings setting(path, QSettings::NativeFormat); setting.beginGroup(QLatin1String("Application")); // Set the runtime in form of name/arch/version which can be later easily parsed resource->setRuntime(setting.value(QLatin1String("runtime")).toString()); // TODO get more information? return true; } bool FlatpakBackend::updateAppMetadata(FlatpakResource *resource, const QByteArray &data) { // Save the content to temporary file QTemporaryFile tempFile; tempFile.setAutoRemove(false); if (!tempFile.open()) { qWarning() << "Failed to get metadata file"; return false; } tempFile.write(data); tempFile.close(); updateAppMetadata(resource, tempFile.fileName()); tempFile.remove(); return true; } bool FlatpakBackend::updateAppSize(FlatpakInstallation *flatpakInstallation, FlatpakResource *resource) { // Check if the size is already set, we should also distiguish between download and installed size, // right now it doesn't matter whether we get size for installed or not installed app, but if we // start making difference then for not installed app check download and install size separately if (resource->state() == AbstractResource::Installed) { // The size appears to be already set (from updateAppInstalledMetadata() apparently) if (resource->installedSize() > 0) { return true; } } else { if (resource->installedSize() > 0 && resource->downloadSize() > 0) { return true; } } // Check if we know the needed runtime which is needed for calculating the size if (resource->runtime().isEmpty()) { if (!updateAppMetadata(flatpakInstallation, resource)) { return false; } } return updateAppSizeFromRemote(flatpakInstallation, resource); } bool FlatpakBackend::updateAppSizeFromRemote(FlatpakInstallation *flatpakInstallation, FlatpakResource *resource) { // Calculate the runtime size if (resource->state() == AbstractResource::None && resource->type() == FlatpakResource::DesktopApp) { auto runtime = getRuntimeForApp(resource); if (runtime) { // Re-check runtime state if case a new one was created updateAppState(flatpakInstallation, runtime); if (!runtime->isInstalled()) { if (!updateAppSize(flatpakInstallation, runtime)) { qWarning() << "Failed to get runtime size needed for total size of" << resource->name(); return false; } // Set required download size to include runtime size even now, in case we fail to // get the app size (e.g. when installing bundles where download size is 0) resource->setDownloadSize(runtime->downloadSize()); } } } if (resource->state() == AbstractResource::Installed) { g_autoptr(FlatpakInstalledRef) ref = nullptr; ref = getInstalledRefForApp(flatpakInstallation, resource); if (!ref) { qWarning() << "Failed to get installed size of" << resource->name(); return false; } resource->setInstalledSize(flatpak_installed_ref_get_installed_size(ref)); } else { if (resource->origin().isEmpty()) { qWarning() << "Failed to get size of" << resource->name() << " because of missing origin"; return false; } auto futureWatcher = new QFutureWatcher(this); futureWatcher->setFuture(QtConcurrent::run(&m_threadPool, &FlatpakRunnables::fetchFlatpakSize, flatpakInstallation, resource)); connect(futureWatcher, &QFutureWatcher::finished, this, [this, resource, futureWatcher]() { auto value = futureWatcher->result(); if (value.valid) { onFetchSizeFinished(resource, value.downloadSize, value.installedSize); } else { resource->setPropertyState(FlatpakResource::DownloadSize, FlatpakResource::UnknownOrFailed); resource->setPropertyState(FlatpakResource::InstalledSize, FlatpakResource::UnknownOrFailed); } futureWatcher->deleteLater(); }); } return true; } void FlatpakBackend::onFetchSizeFinished(FlatpakResource *resource, guint64 downloadSize, guint64 installedSize) { FlatpakResource *runtime = nullptr; if (resource->state() == AbstractResource::None && resource->type() == FlatpakResource::DesktopApp) { runtime = getRuntimeForApp(resource); } if (runtime && !runtime->isInstalled()) { resource->setDownloadSize(runtime->downloadSize() + downloadSize); resource->setInstalledSize(installedSize); } else { resource->setDownloadSize(downloadSize); resource->setInstalledSize(installedSize); } } void FlatpakBackend::updateAppState(FlatpakInstallation *flatpakInstallation, FlatpakResource *resource) { FlatpakInstalledRef *ref = getInstalledRefForApp(flatpakInstallation, resource); if (ref) { // If the app is installed, we can set information about commit, arch etc. updateAppInstalledMetadata(ref, resource); } else { // TODO check if the app is actuall still available resource->setState(AbstractResource::None); } } void FlatpakBackend::setFetching(bool fetching) { if (m_fetching != fetching) { m_fetching = fetching; emit fetchingChanged(); } } int FlatpakBackend::updatesCount() const { return m_updater->updatesCount(); } ResultsStream * FlatpakBackend::search(const AbstractResourcesBackend::Filters &filter) { if (filter.resourceUrl.fileName().endsWith(QLatin1String(".flatpakrepo")) || filter.resourceUrl.fileName().endsWith(QLatin1String(".flatpakref"))) { auto stream = new ResultsStream(QStringLiteral("FlatpakStream-http-")+filter.resourceUrl.fileName()); FlatpakFetchRemoteResourceJob *fetchResourceJob = new FlatpakFetchRemoteResourceJob(filter.resourceUrl, this); connect(fetchResourceJob, &FlatpakFetchRemoteResourceJob::jobFinished, this, [fetchResourceJob, stream] (bool success, FlatpakResource *resource) { if (success) { stream->resourcesFound({resource}); } stream->finish(); fetchResourceJob->deleteLater(); }); return stream; } else if (!filter.resourceUrl.isEmpty() && filter.resourceUrl.scheme() != QLatin1String("appstream")) return new ResultsStream(QStringLiteral("FlatpakStream-void"), {}); QVector ret; foreach(AbstractResource* r, m_resources) { if (r->isTechnical() && filter.state != AbstractResource::Upgradeable) { continue; } if (!filter.resourceUrl.isEmpty() && filter.resourceUrl.host().compare(r->appstreamId(), Qt::CaseInsensitive) != 0) continue; if (r->state() < filter.state) continue; if (filter.search.isEmpty() || r->name().contains(filter.search, Qt::CaseInsensitive) || r->comment().contains(filter.search, Qt::CaseInsensitive)) { ret += r; } } return new ResultsStream(QStringLiteral("FlatpakStream"), ret); } ResultsStream * FlatpakBackend::findResourceByPackageName(const QUrl &url) { QVector resources; if (url.scheme() == QLatin1String("appstream")) { if (url.host().isEmpty()) passiveMessage(i18n("Malformed appstream url '%1'", url.toDisplayString())); else { foreach(FlatpakResource* res, m_resources) { if (QString::compare(res->appstreamId(), url.host(), Qt::CaseInsensitive)==0) resources << res; } } } return new ResultsStream(QStringLiteral("FlatpakStream"), resources); } AbstractBackendUpdater * FlatpakBackend::backendUpdater() const { return m_updater; } AbstractReviewsBackend * FlatpakBackend::reviewsBackend() const { return m_reviews.data(); } Transaction* FlatpakBackend::installApplication(AbstractResource *app, const AddonList &addons) { Q_UNUSED(addons); FlatpakResource *resource = qobject_cast(app); if (resource->type() == FlatpakResource::Source) { // Let source backend handle this FlatpakRemote *remote = m_sources->installSource(resource); if (remote) { resource->setState(AbstractResource::Installed); // Make sure we update appstream metadata first // FIXME we have to let flatpak to return the remote as the one created by FlatpakSourcesBackend will not have appstream directory refreshAppstreamMetadata(preferredInstallation(), flatpak_installation_get_remote_by_name(preferredInstallation(), flatpak_remote_get_name(remote), nullptr, nullptr)); } return nullptr; } FlatpakTransaction *transaction = nullptr; FlatpakInstallation *installation = resource->installation(); if (resource->propertyState(FlatpakResource::RequiredRuntime) == FlatpakResource::NotKnownYet && resource->type() == FlatpakResource::DesktopApp) { transaction = new FlatpakTransaction(resource, Transaction::InstallRole, true); connect(resource, &FlatpakResource::propertyStateChanged, [resource, transaction, this] (FlatpakResource::PropertyKind kind, FlatpakResource::PropertyState state) { if (kind != FlatpakResource::RequiredRuntime) { return; } if (state == FlatpakResource::AlreadyKnown) { FlatpakResource *runtime = getRuntimeForApp(resource); if (runtime && !runtime->isInstalled()) { transaction->setRuntime(runtime); } } transaction->start(); }); } else { FlatpakResource *runtime = getRuntimeForApp(resource); if (runtime && !runtime->isInstalled()) { transaction = new FlatpakTransaction(resource, runtime, Transaction::InstallRole); } else { transaction = new FlatpakTransaction(resource, Transaction::InstallRole); } } connect(transaction, &FlatpakTransaction::statusChanged, [this, installation, resource] (Transaction::Status status) { if (status == Transaction::Status::DoneStatus) { updateAppState(installation, resource); } }); return transaction; } Transaction* FlatpakBackend::installApplication(AbstractResource *app) { return installApplication(app, {}); } Transaction* FlatpakBackend::removeApplication(AbstractResource *app) { FlatpakResource *resource = qobject_cast(app); if (resource->type() == FlatpakResource::Source) { // Let source backend handle this if (m_sources->removeSource(resource->flatpakName())) { resource->setState(AbstractResource::None); } return nullptr; } FlatpakInstallation *installation = resource->installation(); FlatpakTransaction *transaction = new FlatpakTransaction(resource, Transaction::RemoveRole); connect(transaction, &FlatpakTransaction::statusChanged, [this, installation, resource] (Transaction::Status status) { if (status == Transaction::Status::DoneStatus) { updateAppSize(installation, resource); } }); return transaction; } void FlatpakBackend::checkForUpdates() { for (auto installation : qAsConst(m_installations)) { // Load local updates, comparing current and latest commit loadLocalUpdates(installation); // Load updates from remote repositories loadRemoteUpdates(installation); } } AbstractResource * FlatpakBackend::resourceForFile(const QUrl &url) { if (!url.isLocalFile()) { return nullptr; } FlatpakResource *resource = nullptr; if (url.path().endsWith(QLatin1String(".flatpak"))) { resource = addAppFromFlatpakBundle(url); } else if (url.path().endsWith(QLatin1String(".flatpakref"))) { resource = addAppFromFlatpakRef(url); } else if (url.path().endsWith(QLatin1String(".flatpakrepo"))) { resource = addSourceFromFlatpakRepo(url); } return resource; } QString FlatpakBackend::displayName() const { return QStringLiteral("Flatpak"); } #include "FlatpakBackend.moc" diff --git a/libdiscover/backends/FlatpakBackend/FlatpakBackend.h b/libdiscover/backends/FlatpakBackend/FlatpakBackend.h index 4b00ee5f..4445f596 100644 --- a/libdiscover/backends/FlatpakBackend/FlatpakBackend.h +++ b/libdiscover/backends/FlatpakBackend/FlatpakBackend.h @@ -1,115 +1,115 @@ /*************************************************************************** * Copyright © 2013 Aleix Pol Gonzalez * * Copyright © 2017 Jan Grulich * * * * This program is free software; you can redistribute it and/or * * modify it under the terms of the GNU General Public License as * * published by the Free Software Foundation; either version 2 of * * the License or (at your option) version 3 or any later version * * accepted by the membership of KDE e.V. (or its successor approved * * by the membership of KDE e.V.), which shall act as a proxy * * defined in Section 14 of version 3 of the license. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program. If not, see . * ***************************************************************************/ #ifndef FLATPAKBACKEND_H #define FLATPAKBACKEND_H #include "FlatpakResource.h" #include #include #include #include #include extern "C" { #include } class QAction; class FlatpakSourcesBackend; class StandardBackendUpdater; class OdrsReviewsBackend; class FlatpakBackend : public AbstractResourcesBackend { Q_OBJECT public: explicit FlatpakBackend(QObject *parent = nullptr); ~FlatpakBackend(); int updatesCount() const override; AbstractBackendUpdater * backendUpdater() const override; AbstractReviewsBackend * reviewsBackend() const override; ResultsStream * search(const AbstractResourcesBackend::Filters & search) override; ResultsStream * findResourceByPackageName(const QUrl &search) override; QList resources() const { return m_resources.values(); } bool isValid() const override; QList messageActions() const override { return {}; } Transaction* installApplication(AbstractResource* app) override; Transaction* installApplication(AbstractResource* app, const AddonList& addons) override; Transaction* removeApplication(AbstractResource* app) override; bool isFetching() const override { return m_fetching; } AbstractResource * resourceForFile(const QUrl & ) override; void checkForUpdates() override; QString displayName() const override; bool hasApplications() const override { return true; } FlatpakResource * addSourceFromFlatpakRepo(const QUrl &url); private Q_SLOTS: void onFetchMetadataFinished(FlatpakInstallation *flatpakInstallation, FlatpakResource *resource, const QByteArray &metadata); void onFetchSizeFinished(FlatpakResource *resource, guint64 downloadSize, guint64 installedSize); void onFetchUpdatesFinished(FlatpakInstallation *flatpakInstallation, GPtrArray *updates); private: void announceRatingsReady(); FlatpakInstallation * preferredInstallation() const { return m_installations.constFirst(); } void integrateRemote(FlatpakInstallation *flatpakInstallation, FlatpakRemote *remote); FlatpakRemote * getFlatpakRemoteByUrl(const QString &url, FlatpakInstallation *installation) const; - FlatpakInstalledRef * getInstalledRefForApp(FlatpakInstallation *flatpakInstallation, FlatpakResource *resource); - FlatpakResource * getAppForInstalledRef(FlatpakInstallation *flatpakInstallation, FlatpakInstalledRef *ref); - FlatpakResource * getRuntimeForApp(FlatpakResource *resource); + FlatpakInstalledRef * getInstalledRefForApp(FlatpakInstallation *flatpakInstallation, FlatpakResource *resource) const; + FlatpakResource * getAppForInstalledRef(FlatpakInstallation *flatpakInstallation, FlatpakInstalledRef *ref) const; + FlatpakResource * getRuntimeForApp(FlatpakResource *resource) const; FlatpakResource * addAppFromFlatpakBundle(const QUrl &url); FlatpakResource * addAppFromFlatpakRef(const QUrl &url); void addResource(FlatpakResource *resource); - bool compareAppFlatpakRef(FlatpakInstallation *flatpakInstallation, FlatpakResource *resource, FlatpakInstalledRef *ref); + bool compareAppFlatpakRef(FlatpakInstallation *flatpakInstallation, FlatpakResource *resource, FlatpakInstalledRef *ref) const; bool loadAppsFromAppstreamData(FlatpakInstallation *flatpakInstallation); bool loadInstalledApps(FlatpakInstallation *flatpakInstallation); void loadLocalUpdates(FlatpakInstallation *flatpakInstallation); void loadRemoteUpdates(FlatpakInstallation *flatpakInstallation); bool parseMetadataFromAppBundle(FlatpakResource *resource); void refreshAppstreamMetadata(FlatpakInstallation *installation, FlatpakRemote *remote); void reloadPackageList(); bool setupFlatpakInstallations(GError **error); void updateAppInstalledMetadata(FlatpakInstalledRef *installedRef, FlatpakResource *resource); bool updateAppMetadata(FlatpakInstallation *flatpakInstallation, FlatpakResource *resource); bool updateAppMetadata(FlatpakResource *resource, const QByteArray &data); bool updateAppMetadata(FlatpakResource *resource, const QString &path); bool updateAppSize(FlatpakInstallation *flatpakInstallation, FlatpakResource *resource); bool updateAppSizeFromRemote(FlatpakInstallation *flatpakInstallation, FlatpakResource *resource); void updateAppState(FlatpakInstallation *flatpakInstallation, FlatpakResource *resource); void setFetching(bool fetching); QHash m_resources; StandardBackendUpdater *m_updater; FlatpakSourcesBackend *m_sources = nullptr; QSharedPointer m_reviews; bool m_fetching; GCancellable *m_cancellable; QVector m_installations; QThreadPool m_threadPool; }; #endif // FLATPAKBACKEND_H