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                          "Instead use Dolphin normally and you will be prompted for elevated privileges when "
  59                          "performing file operations that require them."
  60                       << std::endl;
  61             return EXIT_FAILURE;
  62         } else if (!qEnvironmentVariableIsEmpty("KDESU_USER")) {
  63             std::cout << "Running Dolphin with kdesu can cause bugs and expose you to security vulnerabilities. "
  64                          "Instead use Dolphin normally and you will be prompted for elevated privileges when "
  65                          "performing file operations that require them."
  66                       << std::endl;
  67             return EXIT_FAILURE;
  68         }
  69     }
  70 #endif
  71
  72     /**
  73      * enable high dpi support
  74      */
  75 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
  76     QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps, true);
  77     QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling, true);
  78 #endif
  79     QApplication app(argc, argv);
  80     app.setWindowIcon(QIcon::fromTheme(QStringLiteral("system-file-manager"), app.windowIcon()));
  81
  82     KIO::PreviewJob::setDefaultDevicePixelRatio(app.devicePixelRatio());
  83
  84     KCrash::initialize();
  85
  86 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
  87     Kdelibs4ConfigMigrator migrate(QStringLiteral("dolphin"));
  88     migrate.setConfigFiles(QStringList() << QStringLiteral("dolphinrc"));
  89     migrate.setUiFiles(QStringList() << QStringLiteral("dolphinpart.rc") << QStringLiteral("dolphinui.rc"));
  90     migrate.migrate();
  91 #endif
  92
  93     KLocalizedString::setApplicationDomain("dolphin");
  94
  95     KAboutData aboutData(QStringLiteral("dolphin"), i18n("Dolphin"), QStringLiteral(DOLPHIN_VERSION_STRING),
  96                          i18nc("@title", "File Manager"),
  97                          KAboutLicense::GPL,
  98                          i18nc("@info:credit", "(C) 2006-2022 The Dolphin Developers"));
  99     aboutData.setHomepage(QStringLiteral("https://kde.org/applications/system/org.kde.dolphin"));
 100     aboutData.addAuthor(i18nc("@info:credit", "Felix Ernst"),
 101                         i18nc("@info:credit", "Maintainer (since 2021) and developer"),
 102                         QStringLiteral("felixernst@kde.org"));
 103     aboutData.addAuthor(i18nc("@info:credit", "Méven Car"),
 104                         i18nc("@info:credit", "Maintainer (since 2021) and developer (since 2019)"),
 105                         QStringLiteral("meven@kde.org"));
 106     aboutData.addAuthor(i18nc("@info:credit", "Elvis Angelaccio"),
 107                         i18nc("@info:credit", "Maintainer (2018-2021) and developer"),
 108                         QStringLiteral("elvis.angelaccio@kde.org"));
 109     aboutData.addAuthor(i18nc("@info:credit", "Emmanuel Pescosta"),
 110                         i18nc("@info:credit", "Maintainer (2014-2018) and developer"),
 111                         QStringLiteral("emmanuelpescosta099@gmail.com"));
 112     aboutData.addAuthor(i18nc("@info:credit", "Frank Reininghaus"),
 113                         i18nc("@info:credit", "Maintainer (2012-2014) and developer"),
 114                         QStringLiteral("frank78ac@googlemail.com"));
 115     aboutData.addAuthor(i18nc("@info:credit", "Peter Penz"),
 116                         i18nc("@info:credit", "Maintainer and developer (2006-2012)"),
 117                         QStringLiteral("peter.penz19@gmail.com"));
 118     aboutData.addAuthor(i18nc("@info:credit", "Sebastian Trüg"),
 119                         i18nc("@info:credit", "Developer"),
 120                         QStringLiteral("trueg@kde.org"));
 121     aboutData.addAuthor(i18nc("@info:credit", "David Faure"),
 122                         i18nc("@info:credit", "Developer"),
 123                         QStringLiteral("faure@kde.org"));
 124     aboutData.addAuthor(i18nc("@info:credit", "Aaron J. Seigo"),
 125                         i18nc("@info:credit", "Developer"),
 126                         QStringLiteral("aseigo@kde.org"));
 127     aboutData.addAuthor(i18nc("@info:credit", "Rafael Fernández López"),
 128                         i18nc("@info:credit", "Developer"),
 129                         QStringLiteral("ereslibre@kde.org"));
 130     aboutData.addAuthor(i18nc("@info:credit", "Kevin Ottens"),
 131                         i18nc("@info:credit", "Developer"),
 132                         QStringLiteral("ervin@kde.org"));
 133     aboutData.addAuthor(i18nc("@info:credit", "Holger Freyther"),
 134                         i18nc("@info:credit", "Developer"),
 135                         QStringLiteral("freyther@gmx.net"));
 136     aboutData.addAuthor(i18nc("@info:credit", "Max Blazejak"),
 137                         i18nc("@info:credit", "Developer"),
 138                         QStringLiteral("m43ksrocks@gmail.com"));
 139     aboutData.addAuthor(i18nc("@info:credit", "Michael Austin"),
 140                         i18nc("@info:credit", "Documentation"),
 141                         QStringLiteral("tuxedup@users.sourceforge.net"));
 142
 143     KAboutData::setApplicationData(aboutData);
 144
 145     QCommandLineParser parser;
 146     aboutData.setupCommandLine(&parser);
 147
 148     // command line options
 149     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("select"), i18nc("@info:shell", "The files and folders passed as arguments "
 150                                                                                         "will be selected.")));
 151     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("split"), i18nc("@info:shell", "Dolphin will get started with a split view.")));
 152     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("new-window"), i18nc("@info:shell", "Dolphin will explicitly open in a new window.")));
 153     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("daemon"), i18nc("@info:shell", "Start Dolphin Daemon (only required for DBus Interface).")));
 154     parser.addPositionalArgument(QStringLiteral("+[Url]"), i18nc("@info:shell", "Document to open"));
 155
 156     parser.process(app);
 157     aboutData.processCommandLine(&parser);
 158
 159     const bool splitView = parser.isSet(QStringLiteral("split")) || GeneralSettings::splitView();
 160     const bool openFiles = parser.isSet(QStringLiteral("select"));
 161     const QStringList args = parser.positionalArguments();
 162     QList<QUrl> urls = Dolphin::validateUris(args);
 163     // We later mutate urls, so we need to store if it was empty originally
 164     const bool startedWithURLs = !urls.isEmpty();
 165
 166
 167     if (parser.isSet(QStringLiteral("daemon"))) {
 168         // Disable session management for the daemonized version
 169         // See https://bugs.kde.org/show_bug.cgi?id=417219
 170         auto disableSessionManagement = [](QSessionManager &sm) {
 171             sm.setRestartHint(QSessionManager::RestartNever);
 172         };
 173         QObject::connect(&app, &QGuiApplication::commitDataRequest, disableSessionManagement);
 174         QObject::connect(&app, &QGuiApplication::saveStateRequest, disableSessionManagement);
 175
 176 #ifdef FLATPAK
 177         KDBusService dolphinDBusService(KDBusService::NoExitOnFailure);
 178 #else
 179         KDBusService dolphinDBusService;
 180 #endif
 181         DBusInterface interface;
 182         interface.setAsDaemon();
 183         return app.exec();
 184     }
 185
 186     if (!parser.isSet(QStringLiteral("new-window"))) {
 187
 188         QString token;
 189         if (KWindowSystem::isPlatformWayland()) {
 190             token = qEnvironmentVariable("XDG_ACTIVATION_TOKEN");
 191             qunsetenv("XDG_ACTIVATION_TOKEN");
 192         } else if (KWindowSystem::isPlatformX11()) {
 193 #if HAVE_X11
 194             token = QX11Info::nextStartupId();
 195 #endif
 196         }
 197
 198         if (Dolphin::attachToExistingInstance(urls, openFiles, splitView, QString(), token)) {
 199             // Successfully attached to existing instance of Dolphin
 200             return 0;
 201         }
 202     }
 203
 204     if (!startedWithURLs) {
 205         // We need at least one URL to open Dolphin
 206         urls.append(Dolphin::homeUrl());
 207     }
 208
 209     if (splitView && urls.size() < 2) {
 210         // Split view does only make sense if we have at least 2 URLs
 211         urls.append(urls.last());
 212     }
 213
 214     DolphinMainWindow* mainWindow = new DolphinMainWindow();
 215
 216     if (openFiles) {
 217         mainWindow->openFiles(urls, splitView);
 218     } else {
 219         mainWindow->openDirectories(urls, splitView);
 220     }
 221
 222     mainWindow->show();
 223
 224     // Allow starting Dolphin on a system that is not running DBus:
 225     KDBusService::StartupOptions serviceOptions = KDBusService::Multiple;
 226     if (!QDBusConnection::sessionBus().isConnected()) {
 227         serviceOptions |= KDBusService::NoExitOnFailure;
 228     }
 229     KDBusService dolphinDBusService(serviceOptions);
 230     DBusInterface interface;
 231
 232     if (!app.isSessionRestored()) {
 233         KConfigGui::setSessionConfig(QStringLiteral("dolphin"), QStringLiteral("dolphin"));
 234     }
 235
 236     // Only restore session if:
 237     // 1. Not explicitly opening a new instance
 238     // 2. The "remember state" setting is enabled or session restoration after
 239     //    reboot is in use
 240     // 3. There is a session available to restore
 241     if (!parser.isSet(QStringLiteral("new-window"))
 242         && (app.isSessionRestored() || GeneralSettings::rememberOpenedTabs())
 243     ) {
 244         // Get saved state data for the last-closed Dolphin instance
 245         const QString serviceName = QStringLiteral("org.kde.dolphin-%1").arg(QCoreApplication::applicationPid());
 246         if (Dolphin::dolphinGuiInstances(serviceName).size() > 0) {
 247             const QString className = KXmlGuiWindow::classNameOfToplevel(1);
 248             if (className == QLatin1String("DolphinMainWindow")) {
 249                 mainWindow->restore(1);
 250                 // If the user passed any URLs to Dolphin, open those in the
 251                 // window after session-restoring it
 252                 if (startedWithURLs) {
 253                     if (openFiles) {
 254                         mainWindow->openFiles(urls, splitView);
 255                     } else {
 256                         mainWindow->openDirectories(urls, splitView);
 257                     }
 258                 }
 259             } else {
 260                 qCWarning(DolphinDebug) << "Unknown class " << className << " in session saved data!";
 261             }
 262         }
 263     }
 264
 265 #if HAVE_KUSERFEEDBACK
 266     auto feedbackProvider = DolphinFeedbackProvider::instance();
 267     Q_UNUSED(feedbackProvider)
 268 #endif
 269
 270     return app.exec(); // krazy:exclude=crash;
 271 }