| 1 | // SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL |
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| 2 | // SPDX-FileCopyrightText: 2022 Harald Sitter <sitter@kde.org> |
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| 3 | |
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| 4 | #include "ksandbox.h" |
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| 5 | |
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| 6 | #include <QDebug> |
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| 7 | #include <QFileInfo> |
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| 8 | |
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| 9 | #include <kcoreaddons_debug.h> |
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| 10 | |
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| 11 | bool KSandbox::isInside() |
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| 12 | { |
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| 13 | static const bool isInside = isFlatpak() || isSnap(); |
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| 14 | return isInside; |
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| 15 | } |
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| 16 | |
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| 17 | bool KSandbox::isFlatpak() |
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| 18 | { |
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| 19 | static const bool isFlatpak = QFileInfo::exists(QStringLiteral("/.flatpak-info" )); |
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| 20 | return isFlatpak; |
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| 21 | } |
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| 22 | |
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| 23 | bool KSandbox::isSnap() |
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| 24 | { |
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| 25 | static const bool isSnap = qEnvironmentVariableIsSet("SNAP" ); |
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| 26 | return isSnap; |
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| 27 | } |
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| 28 | |
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| 29 | bool checkHasFlatpakSpawnPrivileges() |
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| 30 | { |
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| 31 | QFile f(QStringLiteral("/.flatpak-info" )); |
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| 32 | if (!f.open(QIODevice::ReadOnly)) { |
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| 33 | return false; |
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| 34 | } |
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| 35 | |
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| 36 | return f.readAll().contains("\norg.freedesktop.Flatpak=talk\n" ); |
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| 37 | } |
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| 38 | |
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| 39 | KSandbox::ProcessContext KSandbox::makeHostContext(const QProcess &process) |
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| 40 | { |
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| 41 | if (!KSandbox::isFlatpak()) { |
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| 42 | return {process.program(), process.arguments()}; |
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| 43 | } |
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| 44 | |
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| 45 | static const bool hasFlatpakSpawnPrivileges = checkHasFlatpakSpawnPrivileges(); |
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| 46 | if (!hasFlatpakSpawnPrivileges) { |
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| 47 | qCWarning(KCOREADDONS_DEBUG) << "Process execution expects 'org.freedesktop.Flatpak=talk'" << process.program(); |
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| 48 | return {process.program(), process.arguments()}; |
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| 49 | } |
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| 50 | |
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| 51 | QStringList args{QStringLiteral("--watch-bus" ), QStringLiteral("--host" ), QStringLiteral("--forward-fd=1" ), QStringLiteral("--forward-fd=2" )}; |
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| 52 | if (!process.workingDirectory().isEmpty()) { |
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| 53 | args << QStringLiteral("--directory=%1" ).arg(process.workingDirectory()); |
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| 54 | } |
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| 55 | const auto systemEnvironment = QProcessEnvironment::systemEnvironment().toStringList(); |
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| 56 | const auto processEnvironment = process.processEnvironment().toStringList(); |
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| 57 | for (const auto &variable : processEnvironment) { |
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| 58 | if (systemEnvironment.contains(variable)) { |
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| 59 | continue; |
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| 60 | } |
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| 61 | args << QStringLiteral("--env=%1" ).arg(variable); |
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| 62 | } |
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| 63 | if (!process.program().isEmpty()) { // some callers are cheeky and pass no program but put it into the arguments (e.g. konsole) |
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| 64 | args << process.program(); |
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| 65 | } |
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| 66 | args += process.arguments(); |
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| 67 | return {QStringLiteral("/usr/bin/flatpak-spawn" ), args}; |
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| 68 | } |
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| 69 | |
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| 70 | KCOREADDONS_EXPORT void KSandbox::startHostProcess(QProcess &process, QProcess::OpenMode mode) |
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| 71 | { |
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| 72 | const auto context = makeHostContext(process); |
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| 73 | process.start(context.program, context.arguments, mode); |
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| 74 | } |
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| 75 | |
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