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