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 "admin/workerintegration.h"
  10 #include "config-dolphin.h"
  11 #include "dbusinterface.h"
  12 #include "dolphin_generalsettings.h"
  13 #include "dolphin_version.h"
  14 #include "dolphindebug.h"
  15 #include "dolphinmainwindow.h"
  16 #include "global.h"
  17 #if HAVE_KUSERFEEDBACK
  18 #include "userfeedback/dolphinfeedbackprovider.h"
  19 #endif
  20
  21 #include <KAboutData>
  22 #include <KConfigGui>
  23 #include <KCrash>
  24 #include <KDBusService>
  25 #include <KIO/PreviewJob>
  26 #include <KIconTheme>
  27 #include <KLocalizedString>
  28 #include <KWindowSystem>
  29
  30 #define HAVE_STYLE_MANAGER __has_include(<KStyleManager>)
  31 #if HAVE_STYLE_MANAGER
  32 #include <KStyleManager>
  33 #endif
  34
  35 #include <QApplication>
  36 #include <QCommandLineParser>
  37 #include <QDBusConnection>
  38 #include <QDBusConnectionInterface>
  39 #include <QSessionManager>
  40
  41 #if HAVE_X11
  42 #include <private/qtx11extras_p.h>
  43 #endif
  44
  45 #ifndef Q_OS_WIN
  46 #include <unistd.h>
  47 #endif
  48 #include <iostream>
  49
  50 constexpr auto dolphinTranslationDomain{"dolphin"};
  51
  52 int main(int argc, char **argv)
  53 {
  54 #ifndef Q_OS_WIN
  55     // Prohibit using sudo or kdesu (but allow using the root user directly)
  56     if (getuid() == 0 && (!qEnvironmentVariableIsEmpty("SUDO_USER") || !qEnvironmentVariableIsEmpty("KDESU_USER"))) {
  57         QCoreApplication app(argc, argv); // Needed for the xi18ndc() call below.
  58         std::cout << qPrintable(
  59             xi18ndc(dolphinTranslationDomain,
  60                     "@info:shell %1 is a terminal command",
  61                     "Running <application>Dolphin</application> with <command>sudo</command> is discouraged. Please run <icode>%1</icode> instead.",
  62                     QStringLiteral("dolphin --sudo")))
  63                   << std::endl;
  64         // We could perform a privilege de-escalation here and continue as normal. It is a bit safer though to simply let the user restart without sudo.
  65         return EXIT_FAILURE;
  66     }
  67 #endif
  68
  69     /**
  70      * trigger initialisation of proper icon theme
  71      */
  72 #if KICONTHEMES_VERSION >= QT_VERSION_CHECK(6, 3, 0)
  73     KIconTheme::initTheme();
  74 #endif
  75
  76     QApplication app(argc, argv);
  77     app.setWindowIcon(QIcon::fromTheme(QStringLiteral("system-file-manager"), app.windowIcon()));
  78
  79 #if HAVE_STYLE_MANAGER
  80     /**
  81      * trigger initialisation of proper application style
  82      */
  83     KStyleManager::initStyle();
  84 #else
  85     /**
  86      * For Windows and macOS: use Breeze if available
  87      * Of all tested styles that works the best for us
  88      */
  89 #if defined(Q_OS_MACOS) || defined(Q_OS_WIN)
  90     QApplication::setStyle(QStringLiteral("breeze"));
  91 #endif
  92 #endif
  93
  94     KCrash::initialize();
  95
  96     KLocalizedString::setApplicationDomain(dolphinTranslationDomain);
  97
  98     KAboutData aboutData(QStringLiteral("dolphin"),
  99                          i18n("Dolphin"),
 100                          QStringLiteral(DOLPHIN_VERSION_STRING),
 101                          i18nc("@title", "File Manager"),
 102                          KAboutLicense::GPL,
 103                          i18nc("@info:credit", "(C) 2006-2022 The Dolphin Developers"));
 104     aboutData.setHomepage(QStringLiteral("https://apps.kde.org/dolphin"));
 105     aboutData.addAuthor(i18nc("@info:credit", "Felix Ernst"),
 106                         i18nc("@info:credit", "Maintainer (since 2021) and developer"),
 107                         QStringLiteral("felixernst@kde.org"));
 108     aboutData.addAuthor(i18nc("@info:credit", "Méven Car"),
 109                         i18nc("@info:credit", "Maintainer (since 2021) and developer (since 2019)"),
 110                         QStringLiteral("meven@kde.org"));
 111     aboutData.addAuthor(i18nc("@info:credit", "Elvis Angelaccio"),
 112                         i18nc("@info:credit", "Maintainer (2018-2021) and developer"),
 113                         QStringLiteral("elvis.angelaccio@kde.org"));
 114     aboutData.addAuthor(i18nc("@info:credit", "Emmanuel Pescosta"),
 115                         i18nc("@info:credit", "Maintainer (2014-2018) and developer"),
 116                         QStringLiteral("emmanuelpescosta099@gmail.com"));
 117     aboutData.addAuthor(i18nc("@info:credit", "Frank Reininghaus"),
 118                         i18nc("@info:credit", "Maintainer (2012-2014) and developer"),
 119                         QStringLiteral("frank78ac@googlemail.com"));
 120     aboutData.addAuthor(i18nc("@info:credit", "Peter Penz"),
 121                         i18nc("@info:credit", "Maintainer and developer (2006-2012)"),
 122                         QStringLiteral("peter.penz19@gmail.com"));
 123     aboutData.addAuthor(i18nc("@info:credit", "Sebastian Trüg"), i18nc("@info:credit", "Developer"), QStringLiteral("trueg@kde.org"));
 124     aboutData.addAuthor(i18nc("@info:credit", "David Faure"), i18nc("@info:credit", "Developer"), QStringLiteral("faure@kde.org"));
 125     aboutData.addAuthor(i18nc("@info:credit", "Aaron J. Seigo"), i18nc("@info:credit", "Developer"), QStringLiteral("aseigo@kde.org"));
 126     aboutData.addAuthor(i18nc("@info:credit", "Rafael Fernández López"), i18nc("@info:credit", "Developer"), QStringLiteral("ereslibre@kde.org"));
 127     aboutData.addAuthor(i18nc("@info:credit", "Kevin Ottens"), i18nc("@info:credit", "Developer"), QStringLiteral("ervin@kde.org"));
 128     aboutData.addAuthor(i18nc("@info:credit", "Holger Freyther"), i18nc("@info:credit", "Developer"), QStringLiteral("freyther@gmx.net"));
 129     aboutData.addAuthor(i18nc("@info:credit", "Max Blazejak"), i18nc("@info:credit", "Developer"), QStringLiteral("m43ksrocks@gmail.com"));
 130     aboutData.addAuthor(i18nc("@info:credit", "Michael Austin"), i18nc("@info:credit", "Documentation"), QStringLiteral("tuxedup@users.sourceforge.net"));
 131
 132     KAboutData::setApplicationData(aboutData);
 133
 134     QCommandLineParser parser;
 135     aboutData.setupCommandLine(&parser);
 136
 137     // command line options
 138     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("select"),
 139                                         i18nc("@info:shell",
 140                                               "The files and folders passed as arguments "
 141                                               "will be selected.")));
 142     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("split"), i18nc("@info:shell", "Dolphin will get started with a split view.")));
 143     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("new-window"), i18nc("@info:shell", "Dolphin will explicitly open in a new window.")));
 144     parser.addOption(QCommandLineOption(QStringList() << QStringLiteral("sudo") << QStringLiteral("admin"),
 145                                         i18nc("@info:shell", "Set up Dolphin for administrative tasks.")));
 146     parser.addOption(
 147         QCommandLineOption(QStringList() << QStringLiteral("daemon"), i18nc("@info:shell", "Start Dolphin Daemon (only required for DBus Interface).")));
 148     parser.addPositionalArgument(QStringLiteral("+[Url]"), i18nc("@info:shell", "Document to open"));
 149
 150     parser.process(app);
 151     aboutData.processCommandLine(&parser);
 152
 153     const bool splitView = parser.isSet(QStringLiteral("split")) || GeneralSettings::splitView();
 154     const bool openFiles = parser.isSet(QStringLiteral("select"));
 155     const bool adminWorkerInfoWanted = parser.isSet(QStringLiteral("sudo")) || parser.isSet(QStringLiteral("admin"));
 156     const QStringList args = parser.positionalArguments();
 157     QList<QUrl> urls = Dolphin::validateUris(args);
 158     // We later mutate urls, so we need to store if it was empty originally
 159     const bool startedWithURLs = !urls.isEmpty();
 160
 161     if (adminWorkerInfoWanted || std::any_of(urls.cbegin(), urls.cend(), [](const QUrl &url) {
 162             return url.scheme() == QStringLiteral("admin");
 163         })) {
 164         Admin::guideUserTowardsInstallingAdminWorker();
 165     }
 166
 167     if (parser.isSet(QStringLiteral("daemon"))) {
 168         // Disable session management for the daemonized version
 169         // See https://bugs.kde.org/show_bug.cgi?id=417219
 170         auto disableSessionManagement = [](QSessionManager &sm) {
 171             sm.setRestartHint(QSessionManager::RestartNever);
 172         };
 173         QObject::connect(&app, &QGuiApplication::commitDataRequest, disableSessionManagement);
 174         QObject::connect(&app, &QGuiApplication::saveStateRequest, disableSessionManagement);
 175
 176 #ifdef FLATPAK
 177         KDBusService dolphinDBusService(KDBusService::NoExitOnFailure);
 178 #else
 179         KDBusService dolphinDBusService;
 180 #endif
 181         DBusInterface interface;
 182         interface.setAsDaemon();
 183         return app.exec();
 184     }
 185
 186     if (!parser.isSet(QStringLiteral("new-window"))) {
 187         QString token;
 188         if (KWindowSystem::isPlatformWayland()) {
 189             token = qEnvironmentVariable("XDG_ACTIVATION_TOKEN");
 190             qunsetenv("XDG_ACTIVATION_TOKEN");
 191         } else if (KWindowSystem::isPlatformX11()) {
 192 #if HAVE_X11
 193             token = QX11Info::nextStartupId();
 194 #endif
 195         }
 196
 197         if (Dolphin::attachToExistingInstance(urls, openFiles, splitView, QString(), token)) {
 198             // Successfully attached to existing instance of Dolphin
 199             return 0;
 200         }
 201     }
 202
 203     if (!startedWithURLs) {
 204         // We need at least one URL to open Dolphin
 205         urls.append(Dolphin::homeUrl());
 206     }
 207
 208     if (splitView && urls.size() < 2) {
 209         // Split view does only make sense if we have at least 2 URLs
 210         urls.append(urls.last());
 211     }
 212
 213     DolphinMainWindow *mainWindow = new DolphinMainWindow();
 214
 215     if (openFiles) {
 216         mainWindow->openFiles(urls, splitView);
 217     } else {
 218         mainWindow->openDirectories(urls, splitView);
 219     }
 220
 221     mainWindow->show();
 222
 223     // Allow starting Dolphin on a system that is not running DBus:
 224     KDBusService::StartupOptions serviceOptions = KDBusService::Multiple;
 225     if (!QDBusConnection::sessionBus().isConnected()) {
 226         serviceOptions |= KDBusService::NoExitOnFailure;
 227     }
 228     KDBusService dolphinDBusService(serviceOptions);
 229     DBusInterface interface;
 230
 231     if (!app.isSessionRestored()) {
 232         KConfigGui::setSessionConfig(QStringLiteral("dolphin"), QStringLiteral("dolphin"));
 233     }
 234
 235     // Only restore session if:
 236     // 1. Not explicitly opening a new instance
 237     // 2. The "remember state" setting is enabled or session restoration after
 238     //    reboot is in use
 239     // 3. There is a session available to restore
 240     if (!parser.isSet(QStringLiteral("new-window")) && (app.isSessionRestored() || GeneralSettings::rememberOpenedTabs())) {
 241         // Get saved state data for the last-closed Dolphin instance
 242         const QString serviceName = QStringLiteral("org.kde.dolphin-%1").arg(QCoreApplication::applicationPid());
 243         if (Dolphin::dolphinGuiInstances(serviceName).size() > 0) {
 244             const QString className = KXmlGuiWindow::classNameOfToplevel(1);
 245             if (className == QLatin1String("DolphinMainWindow")) {
 246                 mainWindow->restore(1);
 247                 // If the user passed any URLs to Dolphin, open those in the
 248                 // window after session-restoring it
 249                 if (startedWithURLs) {
 250                     if (openFiles) {
 251                         mainWindow->openFiles(urls, splitView);
 252                     } else {
 253                         mainWindow->openDirectories(urls, splitView);
 254                     }
 255                 }
 256             } else {
 257                 qCWarning(DolphinDebug) << "Unknown class " << className << " in session saved data!";
 258             }
 259         }
 260     }
 261
 262     mainWindow->setSessionAutoSaveEnabled(GeneralSettings::rememberOpenedTabs());
 263
 264     if (adminWorkerInfoWanted) {
 265         Admin::guideUserTowardsUsingAdminWorker();
 266     }
 267
 268 #if HAVE_KUSERFEEDBACK
 269     auto feedbackProvider = DolphinFeedbackProvider::instance();
 270     Q_UNUSED(feedbackProvider)
 271 #endif
 272
 273     return app.exec(); // krazy:exclude=crash;
 274 }