// Copyright (C) 2025 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include <QApplication>
#include <QButtonGroup>
#include <QFileDialog>
#include <QHBoxLayout>
#include <QLabel>
#include <QLatin1String>
#include <QRadioButton>
#include <QString>
#include <QVBoxLayout>
#include <QVector>
#include <QWidget>
#include <QtOhosExtras>
namespace {
struct ActionOption
{
QSharedPointer<QtOhosExtras::FileShare::ActionResult> (*actionFunction)(
const QList<QtOhosExtras::FileShare::PathPolicy> &);
QString label;
};
struct OperationModeOption
{
QtOhosExtras::FileShare::OperationModes mode;
QString label;
};
const QVector<ActionOption> actionOptions = {
{QtOhosExtras::FileShare::persistPermission, QLatin1String("Persist")},
{QtOhosExtras::FileShare::revokePermission, QLatin1String("Revoke")},
{QtOhosExtras::FileShare::activatePermission, QLatin1String("Activate")},
{QtOhosExtras::FileShare::deactivatePermission, QLatin1String("Deactivate")},
};
const QVector<OperationModeOption> operationModesOptions = {
{
.mode = QtOhosExtras::FileShare::OperationMode::Read,
.label = QLatin1String("read"),
},
{
.mode = QtOhosExtras::FileShare::OperationMode::Write,
.label = QLatin1String("write"),
},
{
.mode = QtOhosExtras::FileShare::OperationMode::Read | QtOhosExtras::FileShare::OperationMode::Write,
.label = QLatin1String("read | write"),
},
};
constexpr auto initialOperationMode = QtOhosExtras::FileShare::OperationMode::Read;
void logMessage(QTextEdit *logContext, const QString &message)
{
if (logContext != nullptr) {
logContext->append(message);
}
}
QString buildOperationStatusText(
const QString operationName, QSharedPointer<QtOhosExtras::QOhosOperationStatus> operationStatus)
{
auto statusString =
operationStatus->success()
? QLatin1String("successful")
: QLatin1String("unsuccessful");
return QStringLiteral("%1 permission operation %2")
.arg(operationName)
.arg(statusString);
}
QString buildPolicyModeText(QtOhosExtras::FileShare::OperationModes mode)
{
QStringList parts;
if (mode.testFlag(QtOhosExtras::FileShare::OperationMode::Read)) {
parts << QLatin1String("read");
}
if (mode.testFlag(QtOhosExtras::FileShare::OperationMode::Write)) {
parts << QLatin1String("write");
}
return parts.join(QLatin1Char('|')) + QLatin1String(" mode");
}
void logActionResult(
QTextEdit *logContext, const QString &actionName,
QSharedPointer<QtOhosExtras::FileShare::ActionResult> actionResult,
QSharedPointer<QtOhosExtras::FileShare::PathPolicy> pathPolicy)
{
logMessage(
logContext,
QStringLiteral("%1 on file: %2")
.arg(buildOperationStatusText(actionName, actionResult->operationStatus()))
.arg(pathPolicy->path));
const auto &errorInfoList = actionResult->errorInfoList();
if (!errorInfoList.empty()) {
logMessage(logContext, QLatin1String("Error info list:"));
}
for (const auto &errorInfo : errorInfoList) {
logMessage(logContext, QStringLiteral("Path: %1").arg(errorInfo.path));
logMessage(
logContext, QStringLiteral("Error code: %1").arg(static_cast<int>(errorInfo.error)));
logMessage(logContext, QStringLiteral("Error message: %1").arg(errorInfo.errorMessage));
}
}
void logCheckResult(
QTextEdit *logContext, QSharedPointer<QtOhosExtras::FileShare::CheckResult> checkResult)
{
logMessage(
logContext,
buildOperationStatusText(QLatin1String("Check"), checkResult->operationStatus()));
for (const auto &result : checkResult->checkResultList()) {
logMessage(
logContext,
QStringLiteral("Persistent permission %1 %2 on file: %3")
.arg(buildPolicyModeText(result.policy.operationModes))
.arg((result.result ? QLatin1String("is granted") : QLatin1String("is not granted")))
.arg(result.policy.path));
}
}
QString selectPathWithFileDialog(QTextEdit *logContext)
{
const auto path = QFileDialog::getOpenFileName();
logMessage(logContext, QLatin1String("New path selected: ") + path);
return path;
}
QButtonGroup *createActionButtons(
QWidget *parent, QTextEdit *logContext,
QSharedPointer<QtOhosExtras::FileShare::PathPolicy> pathPolicy)
{
auto *actionsGroup = new QButtonGroup(parent);
for (int i = 0; i < actionOptions.size(); ++i) {
auto *actionButton = new QPushButton(actionOptions[i].label, parent);
actionsGroup->addButton(actionButton, i);
}
QObject::connect(
actionsGroup, QOverload<int>::of(&QButtonGroup::buttonClicked),
logContext,
[logContext, pathPolicy](int id) {
QList<QtOhosExtras::FileShare::PathPolicy> input = {{*pathPolicy}};
const auto result = actionOptions[id].actionFunction(input);
logActionResult(logContext, actionOptions[id].label, result, pathPolicy);
});
return actionsGroup;
}
QPushButton *createCheckButton(
QWidget *parent, QTextEdit *logContext,
QSharedPointer<QtOhosExtras::FileShare::PathPolicy> pathPolicy)
{
auto *checkButton = new QPushButton(QLatin1String("Check"), parent);
QObject::connect(
checkButton, &QPushButton::clicked, logContext,
[logContext, pathPolicy]() {
QList<QtOhosExtras::FileShare::PathPolicy> input = {{*pathPolicy}};
const auto result = QtOhosExtras::FileShare::checkPersistent(input);
logCheckResult(logContext, result);
});
return checkButton;
}
QPushButton *createSelectFileButton(
QWidget *parent, QTextEdit *logContext,
QSharedPointer<QtOhosExtras::FileShare::PathPolicy> pathPolicy)
{
auto *selectButton = new QPushButton(QLatin1String("Select File"), parent);
QObject::connect(
selectButton, &QPushButton::clicked, logContext,
[logContext, pathPolicy]() {
pathPolicy->path = selectPathWithFileDialog(logContext);
});
return selectButton;
}
QButtonGroup *createOperationModeButtons(
QWidget *parent, QSharedPointer<QtOhosExtras::FileShare::PathPolicy> pathPolicy)
{
auto *operationModeButtonGroup = new QButtonGroup(parent);
for (int i = 0; i < operationModesOptions.size(); ++i) {
auto *radioButton = new QRadioButton(operationModesOptions[i].label, parent);
operationModeButtonGroup->addButton(radioButton, i);
if (operationModesOptions[i].mode == QtOhosExtras::FileShare::OperationModes(initialOperationMode)) {
radioButton->setChecked(true);
}
}
QObject::connect(
operationModeButtonGroup, QOverload<int>::of(&QButtonGroup::buttonClicked),
[pathPolicy](int id) {
pathPolicy->operationModes = operationModesOptions[id].mode;
});
return operationModeButtonGroup;
}
}
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
QWidget window;
window.setWindowTitle(QLatin1String("File permissions example"));
window.setMinimumWidth(800);
auto *logOutput = new QTextEdit(&window);
logOutput->setReadOnly(true);
auto pathPolicy = QSharedPointer<QtOhosExtras::FileShare::PathPolicy>::create(
QtOhosExtras::FileShare::PathPolicy{
.path = QLatin1String(),
.operationModes = initialOperationMode,
});
auto *actionButtonsGroup = createActionButtons(&window, logOutput, pathPolicy);
auto *checkButton = createCheckButton(&window, logOutput, pathPolicy);
auto *actionButtonslayout = new QVBoxLayout;
for (auto *button : actionButtonsGroup->buttons()) {
actionButtonslayout->addWidget(button);
}
actionButtonslayout->addWidget(checkButton);
actionButtonslayout->addStretch();
auto *selectButton = createSelectFileButton(&window, logOutput, pathPolicy);
auto *operationModeLabel = new QLabel(QLatin1String("Operation mode:"), &window);
auto *operationModeButtons = createOperationModeButtons(&window, pathPolicy);
auto *setupButtonslayout = new QVBoxLayout;
setupButtonslayout->addWidget(selectButton);
setupButtonslayout->addStretch();
setupButtonslayout->addWidget(operationModeLabel);
for (auto *button : operationModeButtons->buttons()) {
setupButtonslayout->addWidget(button);
}
auto *buttonsLayout = new QHBoxLayout;
buttonsLayout->addLayout(actionButtonslayout);
buttonsLayout->addLayout(setupButtonslayout);
auto *mainLayout = new QVBoxLayout(&window);
mainLayout->addLayout(buttonsLayout);
mainLayout->addWidget(logOutput);
logMessage(logOutput, QLatin1String("Select a file to check or update its permissions"));
window.show();
return app.exec();
}