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
  27 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
  28 #include <Kdelibs4ConfigMigrator>
  29 #endif
  30
  31 #include <QApplication>
  32 #include <QCommandLineParser>
  33 #include <QDBusConnection>
  34 #include <QDBusInterface>
  35 #include <QDBusAbstractInterface>
  36 #include <QDBusConnectionInterface>
  37 #include <QSessionManager>
  38
  39 #ifndef Q_OS_WIN
  40 #include <unistd.h>
  41 #endif
  42 #include <iostream>
  43
  44 int main(int argc, char **argv)
  45 {
  46 #ifndef Q_OS_WIN
  47     // Prohibit using sudo or kdesu (but allow using the root user directly)
  48     if (getuid() == 0) {
  49         if (!qEnvironmentVariableIsEmpty("SUDO_USER")) {
  50             std::cout << "Running Dolphin with sudo can cause bugs and expose you to security vulnerabilities. "
  51                          "Instead use Dolphin normally and you will be prompted for elevated privileges when "
  52                          "performing file operations that require them."
  53                       << std::endl;
  54             return EXIT_FAILURE;
  55         } else if (!qEnvironmentVariableIsEmpty("KDESU_USER")) {
  56             std::cout << "Running Dolphin with kdesu can cause bugs and expose you to security vulnerabilities. "
  57                          "Instead use Dolphin normally and you will be prompted for elevated privileges when "
  58                          "performing file operations that require them."
  59                       << std::endl;
  60             return EXIT_FAILURE;
  61         }
  62     }
  63 #endif
  64
  65     /**
  66      * enable high dpi support
  67      */
  68 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
  69     QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps, true);
  70     QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling, true);
  71 #endif
  72     QApplication app(argc, argv);
  73     app.setWindowIcon(QIcon::fromTheme(QStringLiteral("system-file-manager"), app.windowIcon()));
  74
  75     KIO::PreviewJob::setDefaultDevicePixelRatio(app.devicePixelRatio());
  76
  77     KCrash::initialize();
  78
  79 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
  80     Kdelibs4ConfigMigrator migrate(QStringLiteral("dolphin"));
  81     migrate.setConfigFiles(QStringList() << QStringLiteral("dolphinrc"));
  82     migrate.setUiFiles(QStringList() << QStringLiteral("dolphinpart.rc") << QStringLiteral("dolphinui.rc"));
  83     migrate.migrate();
  84 #endif
  85
  86     KLocalizedString::setApplicationDomain("dolphin");
  87
  88     KAboutData aboutData(QStringLiteral("dolphin"), i18n("Dolphin"), QStringLiteral(DOLPHIN_VERSION_STRING),
  89                          i18nc("@title", "File Manager"),
  90                          KAboutLicense::GPL,
  91                          i18nc("@info:credit", "(C) 2006-2022 The Dolphin Developers"));
  92     aboutData.setHomepage(QStringLiteral("https://kde.org/applications/system/org.kde.dolphin"));
  93     aboutData.addAuthor(i18nc("@info:credit", "Felix Ernst"),
  94                         i18nc("@info:credit", "Maintainer (since 2021) and developer"),
  95                         QStringLiteral("felixernst@kde.org"));
  96     aboutData.addAuthor(i18nc("@info:credit", "Méven Car"),
  97                         i18nc("@info:credit", "Maintainer (since 2021) and developer (since 2019)"),
  98                         QStringLiteral("meven@kde.org"));
  99     aboutData.addAuthor(i18nc("@info:credit", "Elvis Angelaccio"),
 100                         i18nc("@info:credit", "Maintainer (2018-2021) and developer"),
 101                         QStringLiteral("elvis.angelaccio@kde.org"));
 102     aboutData.addAuthor(i18nc("@info:credit", "Emmanuel Pescosta"),
 103                         i18nc("@info:credit", "Maintainer (2014-2018) and developer"),
 104                         QStringLiteral("emmanuelpescosta099@gmail.com"));
 105     aboutData.addAuthor(i18nc("@info:credit", "Frank Reininghaus"),
 106                         i18nc("@info:credit", "Maintainer (2012-2014) and developer"),
 107                         QStringLiteral("frank78ac@googlemail.com"));
 108     aboutData.addAuthor(i18nc("@info:credit", "Peter Penz"),
 109                         i18nc("@info:credit", "Maintainer and developer (2006-2012)"),
 110                         QStringLiteral("peter.penz19@gmail.com"));
 111     aboutData.addAuthor(i18nc("@info:credit", "Sebastian Trüg"),
 112                         i18nc("@info:credit", "Developer"),
 113                         QStringLiteral("trueg@kde.org"));
 114     aboutData.addAuthor(i18nc("@info:credit", "David Faure"),
 115                         i18nc("@info:credit", "Developer"),
 116                         QStringLiteral("faure@kde.org"));
 117     aboutData.addAuthor(i18nc("@info:credit", "Aaron J. Seigo"),
 118                         i18nc("@info:credit", "Developer"),
 119                         QStringLiteral("aseigo@kde.org"));
 120     aboutData.addAuthor(i18nc("@info:credit", "Rafael Fernández López"),
 121                         i18nc("@info:credit", "Developer"),
 122                         QStringLiteral("ereslibre@kde.org"));
 123     aboutData.addAuthor(i18nc("@info:credit", "Kevin Ottens"),
 124                         i18nc("@info:credit", "Developer"),
 125                         QStringLiteral("ervin@kde.org"));
 126     aboutData.addAuthor(i18nc("@info:credit", "Holger Freyther"),
 127                         i18nc("@info:credit", "Developer"),
 128                         QStringLiteral("freyther@gmx.net"));
 129     aboutData.addAuthor(i18nc("@info:credit", "Max Blazejak"),
 130                         i18nc("@info:credit", "Developer"),
 131                         QStringLiteral("m43ksrocks@gmail.com"));
 132     aboutData.addAuthor(i18nc("@info:credit", "Michael Austin"),
 133                         i18nc("@info:credit", "Documentation"),
 134                         QStringLiteral("tuxedup@users.sourceforge.net"));
 135
 136     KAboutData::setApplicationData(aboutData);
 137
 138     QCommandLineParser parser;
 139     aboutData.setupCommandLine(&parser);
 140
 141     // command line options
 142     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("select"), i18nc("@info:shell", "The files and folders passed as arguments "
 143                                                                                         "will be selected.")));
 144     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("split"), i18nc("@info:shell", "Dolphin will get started with a split view.")));
 145     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("new-window"), i18nc("@info:shell", "Dolphin will explicitly open in a new window.")));
 146     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("daemon"), i18nc("@info:shell", "Start Dolphin Daemon (only required for DBus Interface)")));
 147     parser.addPositionalArgument(QStringLiteral("+[Url]"), i18nc("@info:shell", "Document to open"));
 148
 149     parser.process(app);
 150     aboutData.processCommandLine(&parser);
 151
 152     const bool splitView = parser.isSet(QStringLiteral("split")) || GeneralSettings::splitView();
 153     const bool openFiles = parser.isSet(QStringLiteral("select"));
 154     const QStringList args = parser.positionalArguments();
 155     QList<QUrl> urls = Dolphin::validateUris(args);
 156     // We later mutate urls, so we need to store if it was empty originally
 157     const bool startedWithURLs = !urls.isEmpty();
 158
 159
 160     if (parser.isSet(QStringLiteral("daemon"))) {
 161         // Disable session management for the daemonized version
 162         // See https://bugs.kde.org/show_bug.cgi?id=417219
 163         auto disableSessionManagement = [](QSessionManager &sm) {
 164             sm.setRestartHint(QSessionManager::RestartNever);
 165         };
 166         QObject::connect(&app, &QGuiApplication::commitDataRequest, disableSessionManagement);
 167         QObject::connect(&app, &QGuiApplication::saveStateRequest, disableSessionManagement);
 168
 169 #ifdef FLATPAK
 170         KDBusService dolphinDBusService(KDBusService::NoExitOnFailure);
 171 #else
 172         KDBusService dolphinDBusService;
 173 #endif
 174         DBusInterface interface;
 175         interface.setAsDaemon();
 176         return app.exec();
 177     }
 178
 179     if (!parser.isSet(QStringLiteral("new-window"))) {
 180         if (Dolphin::attachToExistingInstance(urls, openFiles, splitView)) {
 181             // Successfully attached to existing instance of Dolphin
 182             return 0;
 183         }
 184     }
 185
 186     if (!startedWithURLs) {
 187         // We need at least one URL to open Dolphin
 188         urls.append(Dolphin::homeUrl());
 189     }
 190
 191     if (splitView && urls.size() < 2) {
 192         // Split view does only make sense if we have at least 2 URLs
 193         urls.append(urls.last());
 194     }
 195
 196     DolphinMainWindow* mainWindow = new DolphinMainWindow();
 197
 198     if (openFiles) {
 199         mainWindow->openFiles(urls, splitView);
 200     } else {
 201         mainWindow->openDirectories(urls, splitView);
 202     }
 203
 204     mainWindow->show();
 205
 206     // Allow starting Dolphin on a system that is not running DBus:
 207     KDBusService::StartupOptions serviceOptions = KDBusService::Multiple;
 208     if (!QDBusConnection::sessionBus().isConnected()) {
 209         serviceOptions |= KDBusService::NoExitOnFailure;
 210     }
 211     KDBusService dolphinDBusService(serviceOptions);
 212     DBusInterface interface;
 213
 214     if (!app.isSessionRestored()) {
 215         KConfigGui::setSessionConfig(QStringLiteral("dolphin"), QStringLiteral("dolphin"));
 216     }
 217
 218     // Only restore session if:
 219     // 1. Not explicitly opening a new instance
 220     // 2. The "remember state" setting is enabled or session restoration after
 221     //    reboot is in use
 222     // 3. There is a session available to restore
 223     if (!parser.isSet(QStringLiteral("new-window"))
 224         && (app.isSessionRestored() || GeneralSettings::rememberOpenedTabs())
 225     ) {
 226         // Get saved state data for the last-closed Dolphin instance
 227         const QString serviceName = QStringLiteral("org.kde.dolphin-%1").arg(QCoreApplication::applicationPid());
 228         if (Dolphin::dolphinGuiInstances(serviceName).size() > 0) {
 229             const QString className = KXmlGuiWindow::classNameOfToplevel(1);
 230             if (className == QLatin1String("DolphinMainWindow")) {
 231                 mainWindow->restore(1);
 232                 // If the user passed any URLs to Dolphin, open those in the
 233                 // window after session-restoring it
 234                 if (startedWithURLs) {
 235                     if (openFiles) {
 236                         mainWindow->openFiles(urls, splitView);
 237                     } else {
 238                         mainWindow->openDirectories(urls, splitView);
 239                     }
 240                 }
 241             } else {
 242                 qCWarning(DolphinDebug) << "Unknown class " << className << " in session saved data!";
 243             }
 244         }
 245     }
 246
 247 #if HAVE_KUSERFEEDBACK
 248     auto feedbackProvider = DolphinFeedbackProvider::instance();
 249     Q_UNUSED(feedbackProvider)
 250 #endif
 251
 252     return app.exec(); // krazy:exclude=crash;
 253 }