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 "dbusinterface.h"
  10 #include "dolphin_generalsettings.h"
  11 #include "dolphin_version.h"
  12 #include "dolphindebug.h"
  13 #include "dolphinmainwindow.h"
  14 #include "global.h"
  15 #include "config-dolphin.h"
  16 #if HAVE_KUSERFEEDBACK
  17 #include "userfeedback/dolphinfeedbackprovider.h"
  18 #endif
  19
  20 #include <KAboutData>
  21 #include <KCrash>
  22 #include <KDBusService>
  23 #include <KLocalizedString>
  24 #include <KConfigGui>
  25 #include <KIO/PreviewJob>
  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."
  58                       << std::endl;
  59             return EXIT_FAILURE;
  60         } else if (!qEnvironmentVariableIsEmpty("KDESU_USER")) {
  61             std::cout << "Running Dolphin with kdesu can cause bugs and expose you to security vulnerabilities."
  62                       << std::endl;
  63             return EXIT_FAILURE;
  64         }
  65     }
  66 #endif
  67
  68     /**
  69      * enable high dpi support
  70      */
  71 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
  72     QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps, true);
  73     QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling, true);
  74 #endif
  75     QApplication app(argc, argv);
  76     app.setWindowIcon(QIcon::fromTheme(QStringLiteral("system-file-manager"), app.windowIcon()));
  77
  78     KIO::PreviewJob::setDefaultDevicePixelRatio(app.devicePixelRatio());
  79
  80     KCrash::initialize();
  81
  82 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
  83     Kdelibs4ConfigMigrator migrate(QStringLiteral("dolphin"));
  84     migrate.setConfigFiles(QStringList() << QStringLiteral("dolphinrc"));
  85     migrate.setUiFiles(QStringList() << QStringLiteral("dolphinpart.rc") << QStringLiteral("dolphinui.rc"));
  86     migrate.migrate();
  87 #endif
  88
  89     KLocalizedString::setApplicationDomain("dolphin");
  90
  91     KAboutData aboutData(QStringLiteral("dolphin"), i18n("Dolphin"), 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"),
 115                         i18nc("@info:credit", "Developer"),
 116                         QStringLiteral("trueg@kde.org"));
 117     aboutData.addAuthor(i18nc("@info:credit", "David Faure"),
 118                         i18nc("@info:credit", "Developer"),
 119                         QStringLiteral("faure@kde.org"));
 120     aboutData.addAuthor(i18nc("@info:credit", "Aaron J. Seigo"),
 121                         i18nc("@info:credit", "Developer"),
 122                         QStringLiteral("aseigo@kde.org"));
 123     aboutData.addAuthor(i18nc("@info:credit", "Rafael Fernández López"),
 124                         i18nc("@info:credit", "Developer"),
 125                         QStringLiteral("ereslibre@kde.org"));
 126     aboutData.addAuthor(i18nc("@info:credit", "Kevin Ottens"),
 127                         i18nc("@info:credit", "Developer"),
 128                         QStringLiteral("ervin@kde.org"));
 129     aboutData.addAuthor(i18nc("@info:credit", "Holger Freyther"),
 130                         i18nc("@info:credit", "Developer"),
 131                         QStringLiteral("freyther@gmx.net"));
 132     aboutData.addAuthor(i18nc("@info:credit", "Max Blazejak"),
 133                         i18nc("@info:credit", "Developer"),
 134                         QStringLiteral("m43ksrocks@gmail.com"));
 135     aboutData.addAuthor(i18nc("@info:credit", "Michael Austin"),
 136                         i18nc("@info:credit", "Documentation"),
 137                         QStringLiteral("tuxedup@users.sourceforge.net"));
 138
 139     KAboutData::setApplicationData(aboutData);
 140
 141     QCommandLineParser parser;
 142     aboutData.setupCommandLine(&parser);
 143
 144     // command line options
 145     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("select"), i18nc("@info:shell", "The files and folders passed as arguments "
 146                                                                                         "will be selected.")));
 147     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("split"), i18nc("@info:shell", "Dolphin will get started with a split view.")));
 148     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("new-window"), i18nc("@info:shell", "Dolphin will explicitly open in a new window.")));
 149     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("daemon"), i18nc("@info:shell", "Start Dolphin Daemon (only required for DBus Interface).")));
 150     parser.addPositionalArgument(QStringLiteral("+[Url]"), i18nc("@info:shell", "Document to open"));
 151
 152     parser.process(app);
 153     aboutData.processCommandLine(&parser);
 154
 155     const bool splitView = parser.isSet(QStringLiteral("split")) || GeneralSettings::splitView();
 156     const bool openFiles = parser.isSet(QStringLiteral("select"));
 157     const QStringList args = parser.positionalArguments();
 158     QList<QUrl> urls = Dolphin::validateUris(args);
 159     // We later mutate urls, so we need to store if it was empty originally
 160     const bool startedWithURLs = !urls.isEmpty();
 161
 162
 163     if (parser.isSet(QStringLiteral("daemon"))) {
 164         // Disable session management for the daemonized version
 165         // See https://bugs.kde.org/show_bug.cgi?id=417219
 166         auto disableSessionManagement = [](QSessionManager &sm) {
 167             sm.setRestartHint(QSessionManager::RestartNever);
 168         };
 169         QObject::connect(&app, &QGuiApplication::commitDataRequest, disableSessionManagement);
 170         QObject::connect(&app, &QGuiApplication::saveStateRequest, disableSessionManagement);
 171
 172 #ifdef FLATPAK
 173         KDBusService dolphinDBusService(KDBusService::NoExitOnFailure);
 174 #else
 175         KDBusService dolphinDBusService;
 176 #endif
 177         DBusInterface interface;
 178         interface.setAsDaemon();
 179         return app.exec();
 180     }
 181
 182     if (!parser.isSet(QStringLiteral("new-window"))) {
 183
 184         QString token;
 185         if (KWindowSystem::isPlatformWayland()) {
 186             token = qEnvironmentVariable("XDG_ACTIVATION_TOKEN");
 187             qunsetenv("XDG_ACTIVATION_TOKEN");
 188         } else if (KWindowSystem::isPlatformX11()) {
 189 #if HAVE_X11
 190             token = QX11Info::nextStartupId();
 191 #endif
 192         }
 193
 194         if (Dolphin::attachToExistingInstance(urls, openFiles, splitView, QString(), token)) {
 195             // Successfully attached to existing instance of Dolphin
 196             return 0;
 197         }
 198     }
 199
 200     if (!startedWithURLs) {
 201         // We need at least one URL to open Dolphin
 202         urls.append(Dolphin::homeUrl());
 203     }
 204
 205     if (splitView && urls.size() < 2) {
 206         // Split view does only make sense if we have at least 2 URLs
 207         urls.append(urls.last());
 208     }
 209
 210     DolphinMainWindow* mainWindow = new DolphinMainWindow();
 211
 212     if (openFiles) {
 213         mainWindow->openFiles(urls, splitView);
 214     } else {
 215         mainWindow->openDirectories(urls, splitView);
 216     }
 217
 218     mainWindow->show();
 219
 220     // Allow starting Dolphin on a system that is not running DBus:
 221     KDBusService::StartupOptions serviceOptions = KDBusService::Multiple;
 222     if (!QDBusConnection::sessionBus().isConnected()) {
 223         serviceOptions |= KDBusService::NoExitOnFailure;
 224     }
 225     KDBusService dolphinDBusService(serviceOptions);
 226     DBusInterface interface;
 227
 228     if (!app.isSessionRestored()) {
 229         KConfigGui::setSessionConfig(QStringLiteral("dolphin"), QStringLiteral("dolphin"));
 230     }
 231
 232     // Only restore session if:
 233     // 1. Not explicitly opening a new instance
 234     // 2. The "remember state" setting is enabled or session restoration after
 235     //    reboot is in use
 236     // 3. There is a session available to restore
 237     if (!parser.isSet(QStringLiteral("new-window"))
 238         && (app.isSessionRestored() || GeneralSettings::rememberOpenedTabs())
 239     ) {
 240         // Get saved state data for the last-closed Dolphin instance
 241         const QString serviceName = QStringLiteral("org.kde.dolphin-%1").arg(QCoreApplication::applicationPid());
 242         if (Dolphin::dolphinGuiInstances(serviceName).size() > 0) {
 243             const QString className = KXmlGuiWindow::classNameOfToplevel(1);
 244             if (className == QLatin1String("DolphinMainWindow")) {
 245                 mainWindow->restore(1);
 246                 // If the user passed any URLs to Dolphin, open those in the
 247                 // window after session-restoring it
 248                 if (startedWithURLs) {
 249                     if (openFiles) {
 250                         mainWindow->openFiles(urls, splitView);
 251                     } else {
 252                         mainWindow->openDirectories(urls, splitView);
 253                     }
 254                 }
 255             } else {
 256                 qCWarning(DolphinDebug) << "Unknown class " << className << " in session saved data!";
 257             }
 258         }
 259     }
 260
 261 #if HAVE_KUSERFEEDBACK
 262     auto feedbackProvider = DolphinFeedbackProvider::instance();
 263     Q_UNUSED(feedbackProvider)
 264 #endif
 265
 266     return app.exec(); // krazy:exclude=crash;
 267 }