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