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
  16 #include <KAboutData>
  17 #include <KCrash>
  18 #include <KDBusService>
  19 #include <KLocalizedString>
  20 #include <Kdelibs4ConfigMigrator>
  21 #include <KConfigGui>
  22
  23 #include <QApplication>
  24 #include <QCommandLineParser>
  25 #include <QDBusConnection>
  26 #include <QDBusInterface>
  27 #include <QDBusAbstractInterface>
  28 #include <QDBusConnectionInterface>
  29 #include <QSessionManager>
  30
  31 #ifndef Q_OS_WIN
  32 #include <unistd.h>
  33 #endif
  34 #include <iostream>
  35
  36 extern "C" Q_DECL_EXPORT int kdemain(int argc, char **argv)
  37 {
  38 #ifndef Q_OS_WIN
  39     // Prohibit using sudo or kdesu (but allow using the root user directly)
  40     if (getuid() == 0) {
  41         if (!qEnvironmentVariableIsEmpty("SUDO_USER")) {
  42             std::cout << "Executing Dolphin with sudo is not possible due to unfixable security vulnerabilities." << std::endl;
  43             return EXIT_FAILURE;
  44         } else if (!qEnvironmentVariableIsEmpty("KDESU_USER")) {
  45             std::cout << "Executing Dolphin with kdesu is not possible due to unfixable security vulnerabilities." << std::endl;
  46             return EXIT_FAILURE;
  47         }
  48     }
  49 #endif
  50
  51     /**
  52      * enable high dpi support
  53      */
  54     QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps, true);
  55     QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling, true);
  56
  57     QApplication app(argc, argv);
  58     app.setWindowIcon(QIcon::fromTheme(QStringLiteral("system-file-manager"), app.windowIcon()));
  59
  60     KCrash::initialize();
  61
  62     Kdelibs4ConfigMigrator migrate(QStringLiteral("dolphin"));
  63     migrate.setConfigFiles(QStringList() << QStringLiteral("dolphinrc"));
  64     migrate.setUiFiles(QStringList() << QStringLiteral("dolphinpart.rc") << QStringLiteral("dolphinui.rc"));
  65     migrate.migrate();
  66
  67     KLocalizedString::setApplicationDomain("dolphin");
  68
  69     KAboutData aboutData(QStringLiteral("dolphin"), i18n("Dolphin"), QStringLiteral(DOLPHIN_VERSION_STRING),
  70                          i18nc("@title", "File Manager"),
  71                          KAboutLicense::GPL,
  72                          i18nc("@info:credit", "(C) 2006-2018 Peter Penz, Frank Reininghaus, Emmanuel Pescosta and Elvis Angelaccio"));
  73     aboutData.setHomepage(QStringLiteral("https://kde.org/applications/system/org.kde.dolphin"));
  74     aboutData.addAuthor(i18nc("@info:credit", "Elvis Angelaccio"),
  75                         i18nc("@info:credit", "Maintainer (since 2018) and developer"),
  76                         QStringLiteral("elvis.angelaccio@kde.org"));
  77     aboutData.addAuthor(i18nc("@info:credit", "Emmanuel Pescosta"),
  78                         i18nc("@info:credit", "Maintainer (2014-2018) and developer"),
  79                         QStringLiteral("emmanuelpescosta099@gmail.com"));
  80     aboutData.addAuthor(i18nc("@info:credit", "Frank Reininghaus"),
  81                         i18nc("@info:credit", "Maintainer (2012-2014) and developer"),
  82                         QStringLiteral("frank78ac@googlemail.com"));
  83     aboutData.addAuthor(i18nc("@info:credit", "Peter Penz"),
  84                         i18nc("@info:credit", "Maintainer and developer (2006-2012)"),
  85                         QStringLiteral("peter.penz19@gmail.com"));
  86     aboutData.addAuthor(i18nc("@info:credit", "Sebastian Trüg"),
  87                         i18nc("@info:credit", "Developer"),
  88                         QStringLiteral("trueg@kde.org"));
  89     aboutData.addAuthor(i18nc("@info:credit", "David Faure"),
  90                         i18nc("@info:credit", "Developer"),
  91                         QStringLiteral("faure@kde.org"));
  92     aboutData.addAuthor(i18nc("@info:credit", "Aaron J. Seigo"),
  93                         i18nc("@info:credit", "Developer"),
  94                         QStringLiteral("aseigo@kde.org"));
  95     aboutData.addAuthor(i18nc("@info:credit", "Rafael Fernández López"),
  96                         i18nc("@info:credit", "Developer"),
  97                         QStringLiteral("ereslibre@kde.org"));
  98     aboutData.addAuthor(i18nc("@info:credit", "Kevin Ottens"),
  99                         i18nc("@info:credit", "Developer"),
 100                         QStringLiteral("ervin@kde.org"));
 101     aboutData.addAuthor(i18nc("@info:credit", "Holger Freyther"),
 102                         i18nc("@info:credit", "Developer"),
 103                         QStringLiteral("freyther@gmx.net"));
 104     aboutData.addAuthor(i18nc("@info:credit", "Max Blazejak"),
 105                         i18nc("@info:credit", "Developer"),
 106                         QStringLiteral("m43ksrocks@gmail.com"));
 107     aboutData.addAuthor(i18nc("@info:credit", "Michael Austin"),
 108                         i18nc("@info:credit", "Documentation"),
 109                         QStringLiteral("tuxedup@users.sourceforge.net"));
 110
 111     KAboutData::setApplicationData(aboutData);
 112
 113     QCommandLineParser parser;
 114     aboutData.setupCommandLine(&parser);
 115
 116     // command line options
 117     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("select"), i18nc("@info:shell", "The files and folders passed as arguments "
 118                                                                                         "will be selected.")));
 119     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("split"), i18nc("@info:shell", "Dolphin will get started with a split view.")));
 120     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("new-window"), i18nc("@info:shell", "Dolphin will explicitly open in a new window.")));
 121     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("daemon"), i18nc("@info:shell", "Start Dolphin Daemon (only required for DBus Interface)")));
 122     parser.addPositionalArgument(QStringLiteral("+[Url]"), i18nc("@info:shell", "Document to open"));
 123
 124     parser.process(app);
 125     aboutData.processCommandLine(&parser);
 126
 127     const bool splitView = parser.isSet(QStringLiteral("split")) || GeneralSettings::splitView();
 128     const bool openFiles = parser.isSet(QStringLiteral("select"));
 129     const QStringList args = parser.positionalArguments();
 130     QList<QUrl> urls = Dolphin::validateUris(args);
 131     // We later mutate urls, so we need to store if it was empty originally
 132     const bool startedWithURLs = !urls.isEmpty();
 133
 134
 135     if (parser.isSet(QStringLiteral("daemon"))) {
 136         // Disable session management for the daemonized version
 137         // See https://bugs.kde.org/show_bug.cgi?id=417219
 138         auto disableSessionManagement = [](QSessionManager &sm) {
 139             sm.setRestartHint(QSessionManager::RestartNever);
 140         };
 141         QObject::connect(&app, &QGuiApplication::commitDataRequest, disableSessionManagement);
 142         QObject::connect(&app, &QGuiApplication::saveStateRequest, disableSessionManagement);
 143
 144         KDBusService dolphinDBusService;
 145         DBusInterface interface;
 146         interface.setAsDaemon();
 147         return app.exec();
 148     }
 149
 150     if (!parser.isSet(QStringLiteral("new-window"))) {
 151         if (Dolphin::attachToExistingInstance(urls, openFiles, splitView)) {
 152             // Successfully attached to existing instance of Dolphin
 153             return 0;
 154         }
 155     }
 156
 157     if (!startedWithURLs) {
 158         // We need at least one URL to open Dolphin
 159         urls.append(Dolphin::homeUrl());
 160     }
 161
 162     if (splitView && urls.size() < 2) {
 163         // Split view does only make sense if we have at least 2 URLs
 164         urls.append(urls.last());
 165     }
 166
 167     DolphinMainWindow* mainWindow = new DolphinMainWindow();
 168
 169     if (openFiles) {
 170         mainWindow->openFiles(urls, splitView);
 171     } else {
 172         mainWindow->openDirectories(urls, splitView);
 173     }
 174
 175     mainWindow->show();
 176
 177     KDBusService dolphinDBusService;
 178     DBusInterface interface;
 179
 180     if (!app.isSessionRestored()) {
 181         KConfigGui::setSessionConfig(QStringLiteral("dolphin"), QStringLiteral("dolphin"));
 182     }
 183
 184     // Only restore session if:
 185     // 1. Not explicitly opening a new instance
 186     // 2. The "remember state" setting is enabled or session restoration after
 187     //    reboot is in use
 188     // 3. There is a session available to restore
 189     if (!parser.isSet(QStringLiteral("new-window"))
 190         && (app.isSessionRestored() || GeneralSettings::rememberOpenedTabs())
 191     ) {
 192         // Get saved state data for the last-closed Dolphin instance
 193         const QString serviceName = QStringLiteral("org.kde.dolphin-%1").arg(QCoreApplication::applicationPid());
 194         if (Dolphin::dolphinGuiInstances(serviceName).size() > 0) {
 195             const QString className = KXmlGuiWindow::classNameOfToplevel(1);
 196             if (className == QLatin1String("DolphinMainWindow")) {
 197                 mainWindow->restore(1);
 198                 // If the user passed any URLs to Dolphin, open those in the
 199                 // window after session-restoring it
 200                 if (startedWithURLs) {
 201                     mainWindow->openDirectories(urls, splitView);
 202                 }
 203
 204                 // Now handle invalid locations in the set of active views to
 205                 // avoid issues like https://bugs.kde.org/show_bug.cgi?id=427619
 206                 mainWindow->setViewsWithInvalidPathsToHome();
 207             } else {
 208                 qCWarning(DolphinDebug) << "Unknown class " << className << " in session saved data!";
 209             }
 210         }
 211     }
 212
 213     return app.exec(); // krazy:exclude=crash;
 214 }