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