src/main.cpp

   1 /*
   2  * SPDX-FileCopyrightText: 2006 Peter Penz <peter.penz19@gmail.com>
   3  * SPDX-FileCopyrightText: 2006 Stefan Monov <logixoul@gmail.com>
   4  * SPDX-FileCopyrightText: 2015 Mathieu Tarral <mathieu.tarral@gmail.com>
   5  *
   6  * SPDX-License-Identifier: GPL-2.0-or-later
   7  */
   8
   9 #include "config-dolphin.h"
  10 #include "dbusinterface.h"
  11 #include "dolphin_generalsettings.h"
  12 #include "dolphin_version.h"
  13 #include "dolphindebug.h"
  14 #include "dolphinmainwindow.h"
  15 #include "global.h"
  16 #if HAVE_KUSERFEEDBACK
  17 #include "userfeedback/dolphinfeedbackprovider.h"
  18 #endif
  19
  20 #include <KAboutData>
  21 #include <KConfigGui>
  22 #include <KCrash>
  23 #include <KDBusService>
  24 #include <KIO/PreviewJob>
  25 #include <KLocalizedString>
  26 #include <KWindowSystem>
  27
  28 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
  29 #include <Kdelibs4ConfigMigrator>
  30 #endif
  31
  32 #include <QApplication>
  33 #include <QCommandLineParser>
  34 #include <QDBusConnection>
  35 #include <QDBusConnectionInterface>
  36 #include <QSessionManager>
  37
  38 #if HAVE_X11
  39 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
  40 #include <private/qtx11extras_p.h>
  41 #else
  42 #include <QX11Info>
  43 #endif
  44 #endif
  45
  46 #ifndef Q_OS_WIN
  47 #include <unistd.h>
  48 #endif
  49 #include <iostream>
  50
  51 int main(int argc, char **argv)
  52 {
  53 #ifndef Q_OS_WIN
  54     // Prohibit using sudo or kdesu (but allow using the root user directly)
  55     if (getuid() == 0) {
  56         if (!qEnvironmentVariableIsEmpty("SUDO_USER")) {
  57             std::cout << "Running Dolphin with sudo can cause bugs and expose you to security vulnerabilities." << std::endl;
  58             return EXIT_FAILURE;
  59         } else if (!qEnvironmentVariableIsEmpty("KDESU_USER")) {
  60             std::cout << "Running Dolphin with kdesu can cause bugs and expose you to security vulnerabilities." << std::endl;
  61             return EXIT_FAILURE;
  62         }
  63     }
  64 #endif
  65
  66     /**
  67      * enable high dpi support
  68      */
  69 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
  70     QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps, true);
  71     QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling, true);
  72 #endif
  73     QApplication app(argc, argv);
  74     app.setWindowIcon(QIcon::fromTheme(QStringLiteral("system-file-manager"), app.windowIcon()));
  75
  76     KIO::PreviewJob::setDefaultDevicePixelRatio(app.devicePixelRatio());
  77
  78     KCrash::initialize();
  79
  80 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
  81     Kdelibs4ConfigMigrator migrate(QStringLiteral("dolphin"));
  82     migrate.setConfigFiles(QStringList() << QStringLiteral("dolphinrc"));
  83     migrate.setUiFiles(QStringList() << QStringLiteral("dolphinpart.rc") << QStringLiteral("dolphinui.rc"));
  84     migrate.migrate();
  85 #endif
  86
  87     KLocalizedString::setApplicationDomain("dolphin");
  88
  89     KAboutData aboutData(QStringLiteral("dolphin"),
  90                          i18n("Dolphin"),
  91                          QStringLiteral(DOLPHIN_VERSION_STRING),
  92                          i18nc("@title", "File Manager"),
  93                          KAboutLicense::GPL,
  94                          i18nc("@info:credit", "(C) 2006-2022 The Dolphin Developers"));
  95     aboutData.setHomepage(QStringLiteral("https://kde.org/applications/system/org.kde.dolphin"));
  96     aboutData.addAuthor(i18nc("@info:credit", "Felix Ernst"),
  97                         i18nc("@info:credit", "Maintainer (since 2021) and developer"),
  98                         QStringLiteral("felixernst@kde.org"));
  99     aboutData.addAuthor(i18nc("@info:credit", "Méven Car"),
 100                         i18nc("@info:credit", "Maintainer (since 2021) and developer (since 2019)"),
 101                         QStringLiteral("meven@kde.org"));
 102     aboutData.addAuthor(i18nc("@info:credit", "Elvis Angelaccio"),
 103                         i18nc("@info:credit", "Maintainer (2018-2021) and developer"),
 104                         QStringLiteral("elvis.angelaccio@kde.org"));
 105     aboutData.addAuthor(i18nc("@info:credit", "Emmanuel Pescosta"),
 106                         i18nc("@info:credit", "Maintainer (2014-2018) and developer"),
 107                         QStringLiteral("emmanuelpescosta099@gmail.com"));
 108     aboutData.addAuthor(i18nc("@info:credit", "Frank Reininghaus"),
 109                         i18nc("@info:credit", "Maintainer (2012-2014) and developer"),
 110                         QStringLiteral("frank78ac@googlemail.com"));
 111     aboutData.addAuthor(i18nc("@info:credit", "Peter Penz"),
 112                         i18nc("@info:credit", "Maintainer and developer (2006-2012)"),
 113                         QStringLiteral("peter.penz19@gmail.com"));
 114     aboutData.addAuthor(i18nc("@info:credit", "Sebastian Trüg"), i18nc("@info:credit", "Developer"), QStringLiteral("trueg@kde.org"));
 115     aboutData.addAuthor(i18nc("@info:credit", "David Faure"), i18nc("@info:credit", "Developer"), QStringLiteral("faure@kde.org"));
 116     aboutData.addAuthor(i18nc("@info:credit", "Aaron J. Seigo"), i18nc("@info:credit", "Developer"), QStringLiteral("aseigo@kde.org"));
 117     aboutData.addAuthor(i18nc("@info:credit", "Rafael Fernández López"), i18nc("@info:credit", "Developer"), QStringLiteral("ereslibre@kde.org"));
 118     aboutData.addAuthor(i18nc("@info:credit", "Kevin Ottens"), i18nc("@info:credit", "Developer"), QStringLiteral("ervin@kde.org"));
 119     aboutData.addAuthor(i18nc("@info:credit", "Holger Freyther"), i18nc("@info:credit", "Developer"), QStringLiteral("freyther@gmx.net"));
 120     aboutData.addAuthor(i18nc("@info:credit", "Max Blazejak"), i18nc("@info:credit", "Developer"), QStringLiteral("m43ksrocks@gmail.com"));
 121     aboutData.addAuthor(i18nc("@info:credit", "Michael Austin"), i18nc("@info:credit", "Documentation"), QStringLiteral("tuxedup@users.sourceforge.net"));
 122
 123     KAboutData::setApplicationData(aboutData);
 124
 125     QCommandLineParser parser;
 126     aboutData.setupCommandLine(&parser);
 127
 128     // command line options
 129     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("select"),
 130                                         i18nc("@info:shell",
 131                                               "The files and folders passed as arguments "
 132                                               "will be selected.")));
 133     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("split"), i18nc("@info:shell", "Dolphin will get started with a split view.")));
 134     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("new-window"), i18nc("@info:shell", "Dolphin will explicitly open in a new window.")));
 135     parser.addOption(
 136         QCommandLineOption(QStringList() << QStringLiteral("daemon"), i18nc("@info:shell", "Start Dolphin Daemon (only required for DBus Interface).")));
 137     parser.addPositionalArgument(QStringLiteral("+[Url]"), i18nc("@info:shell", "Document to open"));
 138
 139     parser.process(app);
 140     aboutData.processCommandLine(&parser);
 141
 142     const bool splitView = parser.isSet(QStringLiteral("split")) || GeneralSettings::splitView();
 143     const bool openFiles = parser.isSet(QStringLiteral("select"));
 144     const QStringList args = parser.positionalArguments();
 145     QList<QUrl> urls = Dolphin::validateUris(args);
 146     // We later mutate urls, so we need to store if it was empty originally
 147     const bool startedWithURLs = !urls.isEmpty();
 148
 149     if (parser.isSet(QStringLiteral("daemon"))) {
 150         // Disable session management for the daemonized version
 151         // See https://bugs.kde.org/show_bug.cgi?id=417219
 152         auto disableSessionManagement = [](QSessionManager &sm) {
 153             sm.setRestartHint(QSessionManager::RestartNever);
 154         };
 155         QObject::connect(&app, &QGuiApplication::commitDataRequest, disableSessionManagement);
 156         QObject::connect(&app, &QGuiApplication::saveStateRequest, disableSessionManagement);
 157
 158 #ifdef FLATPAK
 159         KDBusService dolphinDBusService(KDBusService::NoExitOnFailure);
 160 #else
 161         KDBusService dolphinDBusService;
 162 #endif
 163         DBusInterface interface;
 164         interface.setAsDaemon();
 165         return app.exec();
 166     }
 167
 168     if (!parser.isSet(QStringLiteral("new-window"))) {
 169         QString token;
 170         if (KWindowSystem::isPlatformWayland()) {
 171             token = qEnvironmentVariable("XDG_ACTIVATION_TOKEN");
 172             qunsetenv("XDG_ACTIVATION_TOKEN");
 173         } else if (KWindowSystem::isPlatformX11()) {
 174 #if HAVE_X11
 175             token = QX11Info::nextStartupId();
 176 #endif
 177         }
 178
 179         if (Dolphin::attachToExistingInstance(urls, openFiles, splitView, QString(), token)) {
 180             // Successfully attached to existing instance of Dolphin
 181             return 0;
 182         }
 183     }
 184
 185     if (!startedWithURLs) {
 186         // We need at least one URL to open Dolphin
 187         urls.append(Dolphin::homeUrl());
 188     }
 189
 190     if (splitView && urls.size() < 2) {
 191         // Split view does only make sense if we have at least 2 URLs
 192         urls.append(urls.last());
 193     }
 194
 195     DolphinMainWindow *mainWindow = new DolphinMainWindow();
 196
 197     if (openFiles) {
 198         mainWindow->openFiles(urls, splitView);
 199     } else {
 200         mainWindow->openDirectories(urls, splitView);
 201     }
 202
 203     mainWindow->show();
 204
 205     // Allow starting Dolphin on a system that is not running DBus:
 206     KDBusService::StartupOptions serviceOptions = KDBusService::Multiple;
 207     if (!QDBusConnection::sessionBus().isConnected()) {
 208         serviceOptions |= KDBusService::NoExitOnFailure;
 209     }
 210     KDBusService dolphinDBusService(serviceOptions);
 211     DBusInterface interface;
 212
 213     if (!app.isSessionRestored()) {
 214         KConfigGui::setSessionConfig(QStringLiteral("dolphin"), QStringLiteral("dolphin"));
 215     }
 216
 217     // Only restore session if:
 218     // 1. Not explicitly opening a new instance
 219     // 2. The "remember state" setting is enabled or session restoration after
 220     //    reboot is in use
 221     // 3. There is a session available to restore
 222     if (!parser.isSet(QStringLiteral("new-window")) && (app.isSessionRestored() || GeneralSettings::rememberOpenedTabs())) {
 223         // Get saved state data for the last-closed Dolphin instance
 224         const QString serviceName = QStringLiteral("org.kde.dolphin-%1").arg(QCoreApplication::applicationPid());
 225         if (Dolphin::dolphinGuiInstances(serviceName).size() > 0) {
 226             const QString className = KXmlGuiWindow::classNameOfToplevel(1);
 227             if (className == QLatin1String("DolphinMainWindow")) {
 228                 mainWindow->restore(1);
 229                 // If the user passed any URLs to Dolphin, open those in the
 230                 // window after session-restoring it
 231                 if (startedWithURLs) {
 232                     if (openFiles) {
 233                         mainWindow->openFiles(urls, splitView);
 234                     } else {
 235                         mainWindow->openDirectories(urls, splitView);
 236                     }
 237                 }
 238             } else {
 239                 qCWarning(DolphinDebug) << "Unknown class " << className << " in session saved data!";
 240             }
 241         }
 242     }
 243
 244 #if HAVE_KUSERFEEDBACK
 245     auto feedbackProvider = DolphinFeedbackProvider::instance();
 246     Q_UNUSED(feedbackProvider)
 247 #endif
 248
 249     return app.exec(); // krazy:exclude=crash;
 250 }