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retro-imager/src/imagewriter.cpp
Tom Dewey 103924eff0 imagewriter: Windows: Remove taskbar progress indicator 
This is no longer supported in Qt6, with no replacement available.
2024-09-11 17:12:48 +01:00

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/*
* SPDX-License-Identifier: Apache-2.0
* Copyright (C) 2020 Raspberry Pi Ltd
*/
#include "downloadextractthread.h"
#include "imagewriter.h"
#include "drivelistitem.h"
#include "dependencies/drivelist/src/drivelist.hpp"
#include "dependencies/sha256crypt/sha256crypt.h"
#include "driveformatthread.h"
#include "localfileextractthread.h"
#include "downloadstatstelemetry.h"
#include "wlancredentials.h"
#include <archive.h>
#include <archive_entry.h>
#include <lzma.h>
#include <random>
#include <QFileInfo>
#include <QQmlApplicationEngine>
#include <QQmlContext>
#include <QProcess>
#include <QRegularExpression>
#include <QStandardPaths>
#include <QStorageInfo>
#include <QTimeZone>
#include <QWindow>
#include <QGuiApplication>
#include <QNetworkInterface>
#include <QHostAddress>
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QDateTime>
#include <QDebug>
#include <QVersionNumber>
#include <QtNetwork>
#ifndef QT_NO_WIDGETS
#include <QFileDialog>
#include <QApplication>
#else
#include <QtPlatformHeaders/QEglFSFunctions>
#endif
#ifdef Q_OS_DARWIN
#include <QMessageBox>
#endif
#ifdef Q_OS_WIN
#include <windows.h>
#include <QProcessEnvironment>
#endif
#ifdef Q_OS_LINUX
#include "linux/stpanalyzer.h"
#endif
namespace {
constexpr uint MAX_SUBITEMS_DEPTH = 16;
} // namespace anonymous
ImageWriter::ImageWriter(QObject *parent)
: QObject(parent), _repo(QUrl(QString(OSLIST_URL))), _dlnow(0), _verifynow(0),
_engine(nullptr), _thread(nullptr), _verifyEnabled(false), _cachingEnabled(false),
_embeddedMode(false), _online(false), _customCacheFile(false), _trans(nullptr),
_networkManager(this)
{
connect(&_polltimer, SIGNAL(timeout()), SLOT(pollProgress()));
QString platform;
if (qobject_cast<QGuiApplication*>(QCoreApplication::instance()) )
{
platform = QGuiApplication::platformName();
}
else
{
platform = "cli";
}
#ifdef Q_OS_LINUX
if (platform == "eglfs" || platform == "linuxfb")
{
_embeddedMode = true;
connect(&_networkchecktimer, SIGNAL(timeout()), SLOT(pollNetwork()));
_networkchecktimer.start(100);
changeKeyboard(detectPiKeyboard());
if (_currentKeyboard.isEmpty())
_currentKeyboard = "us";
QFile f("/sys/bus/nvmem/devices/rmem0/nvmem");
if (f.exists() && f.open(f.ReadOnly))
{
const QByteArrayList eepromSettings = f.readAll().split('\n');
f.close();
for (const QByteArray &setting : eepromSettings)
{
if (setting.startsWith("IMAGER_REPO_URL="))
{
_repo = setting.mid(16).trimmed();
qDebug() << "Repository from EEPROM:" << _repo;
}
}
}
StpAnalyzer *stpAnalyzer = new StpAnalyzer(5, this);
connect(stpAnalyzer, SIGNAL(detected()), SLOT(onSTPdetected()));
stpAnalyzer->startListening("eth0");
}
#endif
if (!_settings.isWritable() && !_settings.fileName().isEmpty())
{
/* Settings file is not writable, probably run by root previously */
QString settingsFile = _settings.fileName();
qDebug() << "Settings file" << settingsFile << "not writable. Recreating it";
QFile f(_settings.fileName());
QByteArray oldsettings;
if (f.open(f.ReadOnly))
{
oldsettings = f.readAll();
f.close();
}
f.remove();
if (f.open(f.WriteOnly))
{
f.write(oldsettings);
f.close();
_settings.sync();
}
else
{
qDebug() << "Error deleting and recreating settings file. Please remove manually.";
}
}
_settings.beginGroup("caching");
_cachingEnabled = !_embeddedMode && _settings.value("enabled", IMAGEWRITER_ENABLE_CACHE_DEFAULT).toBool();
_cachedFileHash = _settings.value("lastDownloadSHA256").toByteArray();
_cacheFileName = QStandardPaths::writableLocation(QStandardPaths::CacheLocation)+QDir::separator()+"lastdownload.cache";
if (!_cachedFileHash.isEmpty())
{
QFileInfo f(_cacheFileName);
if (!f.exists() || !f.isReadable() || !f.size())
{
_cachedFileHash.clear();
_settings.remove("lastDownloadSHA256");
_settings.sync();
}
}
_settings.endGroup();
QDir dir(":/i18n", "rpi-imager_*.qm");
const QStringList transFiles = dir.entryList();
QLocale currentLocale;
QStringList localeComponents = currentLocale.name().split('_');
QString currentlangcode;
if (!localeComponents.isEmpty())
currentlangcode = localeComponents.first();
for (const QString &tf : transFiles)
{
QString langcode = tf.mid(11, tf.length()-14);
/* FIXME: we currently lack a font with support for Chinese characters in embedded mode */
//if (isEmbeddedMode() && langcode == "zh")
// continue;
QLocale loc(langcode);
/* Use "English" for "en" and not "American English" */
QString langname = (langcode == "en" ? "English" : loc.nativeLanguageName() );
_translations.insert(langname, langcode);
if (langcode == currentlangcode)
{
_currentLang = langname;
_currentLangcode = currentlangcode;
}
}
//_currentKeyboard = "us";
// Centralised network manager, for fetching OS lists
connect(&_networkManager, SIGNAL(finished(QNetworkReply *)), this, SLOT(handleNetworkRequestFinished(QNetworkReply *)));
}
ImageWriter::~ImageWriter()
{
if (_trans)
{
QCoreApplication::removeTranslator(_trans);
delete _trans;
}
}
void ImageWriter::setEngine(QQmlApplicationEngine *engine)
{
_engine = engine;
}
/* Set URL to download from */
void ImageWriter::setSrc(const QUrl &url, quint64 downloadLen, quint64 extrLen, QByteArray expectedHash, bool multifilesinzip, QString parentcategory, QString osname, QByteArray initFormat)
{
_src = url;
_downloadLen = downloadLen;
_extrLen = extrLen;
_expectedHash = expectedHash;
_multipleFilesInZip = multifilesinzip;
_parentCategory = parentcategory;
_osName = osname;
_initFormat = (initFormat == "none") ? "" : initFormat;
if (!_downloadLen && url.isLocalFile())
{
QFileInfo fi(url.toLocalFile());
_downloadLen = fi.size();
}
if (url.isLocalFile())
{
_initFormat = "auto";
}
}
/* Set device to write to */
void ImageWriter::setDst(const QString &device, quint64 deviceSize)
{
_dst = device;
_devLen = deviceSize;
}
/* Returns true if src and dst are set */
bool ImageWriter::readyToWrite()
{
return !_src.isEmpty() && !_dst.isEmpty();
}
/* Start writing */
void ImageWriter::startWrite()
{
if (!readyToWrite())
return;
if (_src.toString() == "internal://format")
{
DriveFormatThread *dft = new DriveFormatThread(_dst.toLatin1(), this);
connect(dft, SIGNAL(success()), SLOT(onSuccess()));
connect(dft, SIGNAL(error(QString)), SLOT(onError(QString)));
dft->start();
return;
}
QByteArray urlstr = _src.toString(_src.FullyEncoded).toLatin1();
QString lowercaseurl = urlstr.toLower();
bool compressed = lowercaseurl.endsWith(".zip") || lowercaseurl.endsWith(".xz") || lowercaseurl.endsWith(".bz2") || lowercaseurl.endsWith(".gz") || lowercaseurl.endsWith(".7z") || lowercaseurl.endsWith(".zst") || lowercaseurl.endsWith(".cache");
if (!_extrLen && _src.isLocalFile())
{
if (!compressed)
_extrLen = _downloadLen;
else if (lowercaseurl.endsWith(".zip"))
_parseCompressedFile();
else if (lowercaseurl.endsWith(".xz"))
_parseXZFile();
}
if (_devLen && _extrLen > _devLen)
{
emit error(tr("Storage capacity is not large enough.<br>Needs to be at least %1 GB.").arg(QString::number(_extrLen/1000000000.0, 'f', 1)));
return;
}
if (_extrLen && !_multipleFilesInZip && _extrLen % 512 != 0)
{
emit error(tr("Input file is not a valid disk image.<br>File size %1 bytes is not a multiple of 512 bytes.").arg(_extrLen));
return;
}
if (!_expectedHash.isEmpty() && _cachedFileHash == _expectedHash)
{
// Use cached file
urlstr = QUrl::fromLocalFile(_cacheFileName).toString(_src.FullyEncoded).toLatin1();
}
if (QUrl(urlstr).isLocalFile())
{
_thread = new LocalFileExtractThread(urlstr, _dst.toLatin1(), _expectedHash, this);
}
else
{
_thread = new DownloadExtractThread(urlstr, _dst.toLatin1(), _expectedHash, this);
if (_repo.toString() == OSLIST_URL)
{
DownloadStatsTelemetry *tele = new DownloadStatsTelemetry(urlstr, _parentCategory.toLatin1(), _osName.toLatin1(), _embeddedMode, _currentLangcode, this);
connect(tele, SIGNAL(finished()), tele, SLOT(deleteLater()));
tele->start();
}
}
connect(_thread, SIGNAL(success()), SLOT(onSuccess()));
connect(_thread, SIGNAL(error(QString)), SLOT(onError(QString)));
connect(_thread, SIGNAL(finalizing()), SLOT(onFinalizing()));
connect(_thread, SIGNAL(preparationStatusUpdate(QString)), SLOT(onPreparationStatusUpdate(QString)));
_thread->setVerifyEnabled(_verifyEnabled);
_thread->setUserAgent(QString("Mozilla/5.0 rpi-imager/%1").arg(constantVersion()).toUtf8());
_thread->setImageCustomization(_config, _cmdline, _firstrun, _cloudinit, _cloudinitNetwork, _initFormat);
if (!_expectedHash.isEmpty() && _cachedFileHash != _expectedHash && _cachingEnabled)
{
if (!_cachedFileHash.isEmpty())
{
if (_settings.isWritable() && QFile::remove(_cacheFileName))
{
_settings.remove("caching/lastDownloadSHA256");
_settings.sync();
_cachedFileHash.clear();
}
else
{
qDebug() << "Error removing old cache file. Disabling caching";
_cachingEnabled = false;
}
}
if (_cachingEnabled)
{
QStorageInfo si(QStandardPaths::writableLocation(QStandardPaths::CacheLocation));
qint64 avail = si.bytesAvailable();
qDebug() << "Available disk space for caching:" << avail/1024/1024/1024 << "GB";
if (avail-_downloadLen < IMAGEWRITER_MINIMAL_SPACE_FOR_CACHING)
{
qDebug() << "Low disk space. Not caching files to disk.";
}
else
{
_thread->setCacheFile(_cacheFileName, _downloadLen);
connect(_thread, SIGNAL(cacheFileUpdated(QByteArray)), SLOT(onCacheFileUpdated(QByteArray)));
}
}
}
if (_multipleFilesInZip)
{
static_cast<DownloadExtractThread *>(_thread)->enableMultipleFileExtraction();
DriveFormatThread *dft = new DriveFormatThread(_dst.toLatin1(), this);
connect(dft, SIGNAL(success()), _thread, SLOT(start()));
connect(dft, SIGNAL(error(QString)), SLOT(onError(QString)));
dft->start();
}
else
{
_thread->start();
}
startProgressPolling();
}
void ImageWriter::onCacheFileUpdated(QByteArray sha256)
{
if (!_customCacheFile)
{
_settings.setValue("caching/lastDownloadSHA256", sha256);
_settings.sync();
}
_cachedFileHash = sha256;
qDebug() << "Done writing cache file";
}
/* Cancel write */
void ImageWriter::cancelWrite()
{
if (_thread)
{
connect(_thread, SIGNAL(finished()), SLOT(onCancelled()));
_thread->cancelDownload();
}
if (!_thread || !_thread->isRunning())
{
emit cancelled();
}
}
void ImageWriter::onCancelled()
{
sender()->deleteLater();
if (sender() == _thread)
{
_thread = nullptr;
}
emit cancelled();
}
/* Return true if url is in our local disk cache */
bool ImageWriter::isCached(const QUrl &, const QByteArray &sha256)
{
return !sha256.isEmpty() && _cachedFileHash == sha256;
}
/* Utility function to return filename part from URL */
QString ImageWriter::fileNameFromUrl(const QUrl &url)
{
//return QFileInfo(url.toLocalFile()).fileName();
return url.fileName();
}
QString ImageWriter::srcFileName()
{
return _src.isEmpty() ? "" : _src.fileName();
}
/* Function to return OS list URL */
QUrl ImageWriter::constantOsListUrl() const
{
return _repo;
}
/* Function to return version */
QString ImageWriter::constantVersion() const
{
return IMAGER_VERSION_STR;
}
/* Returns true if version argument is newer than current program */
bool ImageWriter::isVersionNewer(const QString &version)
{
return QVersionNumber::fromString(version) > QVersionNumber::fromString(IMAGER_VERSION_STR);
}
void ImageWriter::setCustomOsListUrl(const QUrl &url)
{
_repo = url;
}
namespace {
QJsonArray findAndInsertJsonResult(QJsonArray parent_list, QJsonArray incomingBody, QUrl referenceUrl, uint8_t count = 0) {
if (count > MAX_SUBITEMS_DEPTH) {
qDebug() << "Aborting insertion of subitems, exceeded maximum configured limit of " << MAX_SUBITEMS_DEPTH << " levels.";
return {};
}
QJsonArray returnArray = {};
for (auto ositem : parent_list) {
auto ositemObject = ositem.toObject();
if (ositemObject.contains("subitems")) {
// Recurse!
ositemObject["subitems"] = findAndInsertJsonResult(ositemObject["subitems"].toArray(), incomingBody, referenceUrl, count++);
} else if (ositemObject.contains("subitems_url")) {
if ( !ositemObject["subitems_url"].toString().compare(referenceUrl.toString())) {
ositemObject.insert("subitems", incomingBody);
ositemObject.remove("subitems_url");
}
}
returnArray += ositemObject;
}
return returnArray;
}
void findAndQueueUnresolvedSubitemsJson(QJsonArray incoming, QNetworkAccessManager &manager, uint8_t count = 0) {
if (count > MAX_SUBITEMS_DEPTH) {
qDebug() << "Aborting fetch of subitems JSON, exceeded maximum configured limit of " << MAX_SUBITEMS_DEPTH << " levels.";
return;
}
for (auto entry : incoming) {
auto entryObject = entry.toObject();
if (entryObject.contains("subitems")) {
// No need to handle a return - this isn't processing a list, it's searching and queuing downloads.
findAndQueueUnresolvedSubitemsJson(entryObject["subitems"].toArray(), manager, count++);
} else if (entryObject.contains("subitems_url")) {
auto url = entryObject["subitems_url"].toString();
auto request = QNetworkRequest(url);
request.setAttribute(QNetworkRequest::RedirectPolicyAttribute,
QNetworkRequest::NoLessSafeRedirectPolicy);
manager.get(request);
}
}
}
} // namespace anonymous
void ImageWriter::setHWFilterList(const QByteArray &json, const bool &inclusive) {
QJsonDocument json_document = QJsonDocument::fromJson(json);
_deviceFilter = json_document.array();
_deviceFilterIsInclusive = inclusive;
}
void ImageWriter::handleNetworkRequestFinished(QNetworkReply *data) {
// Defer deletion
data->deleteLater();
if (data->error() == QNetworkReply::NoError) {
auto httpStatusCode = data->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
if (httpStatusCode >= 200 && httpStatusCode < 300 || httpStatusCode == 0) {
auto response_object = QJsonDocument::fromJson(data->readAll()).object();
if (response_object.contains("os_list")) {
// Step 1: Insert the items into the canonical JSON document.
// It doesn't matter that these may still contain subitems_url items
// As these will be fixed up as the subitems_url instances are blinked in
if (_completeOsList.isEmpty()) {
_completeOsList = QJsonDocument(response_object);
} else {
auto new_list = findAndInsertJsonResult(_completeOsList["os_list"].toArray(), response_object["os_list"].toArray(), data->request().url());
auto imager_meta = _completeOsList["imager"].toObject();
_completeOsList = QJsonDocument(QJsonObject({
{"imager", imager_meta},
{"os_list", new_list}
}));
}
findAndQueueUnresolvedSubitemsJson(response_object["os_list"].toArray(), _networkManager);
emit osListPrepared();
} else {
qDebug() << "Incorrectly formatted OS list at: " << data->url();
}
} else if (httpStatusCode >= 300 && httpStatusCode < 400) {
// We should _never_ enter this branch. All requests are set to follow redirections
// at their call sites - so the only way you got here was a logic defect.
auto request = QNetworkRequest(data->url());
request.setAttribute(QNetworkRequest::RedirectionTargetAttribute, QNetworkRequest::NoLessSafeRedirectPolicy);
data->manager()->get(request);
// maintain manager
return;
} else if (httpStatusCode >= 400 && httpStatusCode < 600) {
// HTTP Error
qDebug() << "Failed to fetch URL [" << data->url() << "], got: " << httpStatusCode;
} else {
// Completely unknown error, worth logging separately
qDebug() << "Failed to fetch URL [" << data->url() << "], got unknown response code: " << httpStatusCode;
}
} else {
// QT Error.
qDebug() << "Unrecognised QT error: " << data->error() << ", explainer: " << data->errorString();
}
}
namespace {
QJsonArray filterOsListWithHWTags(QJsonArray incoming_os_list, QJsonArray hw_filter, const bool inclusive, uint8_t count = 0) {
if (count > MAX_SUBITEMS_DEPTH) {
qDebug() << "Aborting insertion of subitems, exceeded maximum configured limit of " << MAX_SUBITEMS_DEPTH << " levels.";
return {};
}
QJsonArray returnArray = {};
for (auto ositem : incoming_os_list) {
auto ositemObject = ositem.toObject();
if (ositemObject.contains("subitems")) {
// Recurse!
ositemObject["subitems"] = filterOsListWithHWTags(ositemObject["subitems"].toArray(), hw_filter, inclusive, count++);
if (ositemObject["subitems"].toArray().count() > 0) {
returnArray += ositemObject;
}
} else {
// Filter this one!
if (ositemObject.contains("devices")) {
auto keep = false;
auto ositem_devices = ositemObject["devices"].toArray();
for (auto compat_device : ositem_devices) {
if (hw_filter.contains(compat_device.toString())) {
keep = true;
break;
}
}
if (keep) {
returnArray.append(ositem);
}
} else {
// No devices tags, so work out if we're exclusive or inclusive filtering!
if (inclusive) {
returnArray.append(ositem);
}
}
}
}
return returnArray;
}
} // namespace anonymous
QByteArray ImageWriter::getFilteredOSlist() {
QJsonArray reference_os_list_array = {};
QJsonObject reference_imager_metadata = {};
{
if (!_completeOsList.isEmpty()) {
if (!_deviceFilter.isEmpty()) {
reference_os_list_array = filterOsListWithHWTags(_completeOsList.object()["os_list"].toArray(), _deviceFilter, _deviceFilterIsInclusive);
} else {
// The device filter can be an empty array when a device filter has not been selected, or has explicitly been selected as
// "no filtering". In that case, avoid walking the tree and use the unfiltered list.
reference_os_list_array = _completeOsList.object()["os_list"].toArray();
}
reference_imager_metadata = _completeOsList.object()["imager"].toObject();
}
}
reference_os_list_array.append(QJsonObject({
{"name", QCoreApplication::translate("main", "Erase")},
{"description", QCoreApplication::translate("main", "Format card as FAT32")},
{"icon", "icons/erase.png"},
{"url", "internal://format"},
}));
reference_os_list_array.append(QJsonObject({
{"name", QCoreApplication::translate("main", "Use custom")},
{"description", QCoreApplication::translate("main", "Select a custom .img from your computer")},
{"icon", "icons/use_custom.png"},
{"url", ""},
}));
return QJsonDocument(
QJsonObject({
{"imager", reference_imager_metadata},
{"os_list", reference_os_list_array},
}
)).toJson();
}
void ImageWriter::beginOSListFetch() {
QNetworkRequest request = QNetworkRequest(constantOsListUrl());
request.setAttribute(QNetworkRequest::RedirectPolicyAttribute,
QNetworkRequest::NoLessSafeRedirectPolicy);
// This will set up a chain of requests that culiminate in the eventual fetch and assembly of
// a complete cached OS list.
_networkManager.get(request);
}
void ImageWriter::setCustomCacheFile(const QString &cacheFile, const QByteArray &sha256)
{
_cacheFileName = cacheFile;
_cachedFileHash = QFile::exists(cacheFile) ? sha256 : "";
_customCacheFile = true;
_cachingEnabled = true;
}
/* Start polling the list of available drives */
void ImageWriter::startDriveListPolling()
{
_drivelist.startPolling();
}
/* Stop polling the list of available drives */
void ImageWriter::stopDriveListPolling()
{
_drivelist.stopPolling();
}
DriveListModel *ImageWriter::getDriveList()
{
return &_drivelist;
}
void ImageWriter::startProgressPolling()
{
_powersave.applyBlock(tr("Downloading and writing image"));
_dlnow = 0; _verifynow = 0;
_polltimer.start(PROGRESS_UPDATE_INTERVAL);
}
void ImageWriter::stopProgressPolling()
{
_polltimer.stop();
pollProgress();
_powersave.removeBlock();
}
void ImageWriter::pollProgress()
{
if (!_thread)
return;
quint64 newDlNow, dlTotal;
if (_extrLen)
{
newDlNow = _thread->bytesWritten();
dlTotal = _extrLen;
}
else
{
newDlNow = _thread->dlNow();
dlTotal = _thread->dlTotal();
}
if (newDlNow != _dlnow)
{
_dlnow = newDlNow;
emit downloadProgress(newDlNow, dlTotal);
}
quint64 newVerifyNow = _thread->verifyNow();
if (newVerifyNow != _verifynow)
{
_verifynow = newVerifyNow;
quint64 verifyTotal = _thread->verifyTotal();
emit verifyProgress(newVerifyNow, verifyTotal);
}
}
void ImageWriter::setVerifyEnabled(bool verify)
{
_verifyEnabled = verify;
if (_thread)
_thread->setVerifyEnabled(verify);
}
/* Relay events from download thread to QML */
void ImageWriter::onSuccess()
{
stopProgressPolling();
emit success();
#ifndef QT_NO_WIDGETS
if (_settings.value("beep").toBool() && qobject_cast<QApplication*>(QCoreApplication::instance()) )
{
QApplication::beep();
}
#endif
}
void ImageWriter::onError(QString msg)
{
stopProgressPolling();
emit error(msg);
#ifndef QT_NO_WIDGETS
if (_settings.value("beep").toBool() && qobject_cast<QApplication*>(QCoreApplication::instance()) )
QApplication::beep();
#endif
}
void ImageWriter::onFinalizing()
{
_polltimer.stop();
emit finalizing();
}
void ImageWriter::onPreparationStatusUpdate(QString msg)
{
emit preparationStatusUpdate(msg);
}
void ImageWriter::openFileDialog()
{
#ifndef QT_NO_WIDGETS
QSettings settings;
QString path = settings.value("lastpath").toString();
QFileInfo fi(path);
if (path.isEmpty() || !fi.exists() || !fi.isReadable() )
path = QStandardPaths::writableLocation(QStandardPaths::DownloadLocation);
QFileDialog *fd = new QFileDialog(nullptr, tr("Select image"),
path,
"Image files (*.img *.zip *.iso *.gz *.xz *.zst);;All files (*)");
connect(fd, SIGNAL(fileSelected(QString)), SLOT(onFileSelected(QString)));
if (_engine)
{
fd->createWinId();
QWindow *handle = fd->windowHandle();
QWindow *qmlwindow = qobject_cast<QWindow *>(_engine->rootObjects().value(0));
if (qmlwindow)
{
handle->setTransientParent(qmlwindow);
}
}
fd->show();
#endif
}
void ImageWriter::onFileSelected(QString filename)
{
#ifndef QT_NO_WIDGETS
QFileInfo fi(filename);
QSettings settings;
if (fi.isFile())
{
QString path = fi.path();
if (path != settings.value("lastpath"))
{
settings.setValue("lastpath", path);
settings.sync();
}
emit fileSelected(QUrl::fromLocalFile(filename));
}
else
{
qDebug() << "Item selected is not a regular file";
}
sender()->deleteLater();
#endif
}
void ImageWriter::_parseCompressedFile()
{
struct archive *a = archive_read_new();
struct archive_entry *entry;
QByteArray fn = _src.toLocalFile().toLatin1();
int numFiles = 0;
_extrLen = 0;
archive_read_support_filter_all(a);
archive_read_support_format_all(a);
if (archive_read_open_filename(a, fn.data(), 10240) == ARCHIVE_OK)
{
while ( (archive_read_next_header(a, &entry)) == ARCHIVE_OK)
{
if (archive_entry_size(entry) > 0)
{
_extrLen += archive_entry_size(entry);
numFiles++;
}
}
}
if (numFiles > 1)
_multipleFilesInZip = true;
qDebug() << "Parsed .zip file containing" << numFiles << "files, uncompressed size:" << _extrLen;
}
void ImageWriter::_parseXZFile()
{
QFile f(_src.toLocalFile());
lzma_stream_flags opts = { 0 };
_extrLen = 0;
if (f.size() > LZMA_STREAM_HEADER_SIZE && f.open(f.ReadOnly))
{
f.seek(f.size()-LZMA_STREAM_HEADER_SIZE);
QByteArray footer = f.read(LZMA_STREAM_HEADER_SIZE);
lzma_ret ret = lzma_stream_footer_decode(&opts, (const uint8_t *) footer.constData());
if (ret == LZMA_OK && opts.backward_size < 1000000 && opts.backward_size < f.size()-LZMA_STREAM_HEADER_SIZE)
{
f.seek(f.size()-LZMA_STREAM_HEADER_SIZE-opts.backward_size);
QByteArray buf = f.read(opts.backward_size+LZMA_STREAM_HEADER_SIZE);
lzma_index *idx;
uint64_t memlimit = UINT64_MAX;
size_t pos = 0;
ret = lzma_index_buffer_decode(&idx, &memlimit, NULL, (const uint8_t *) buf.constData(), &pos, buf.size());
if (ret == LZMA_OK)
{
_extrLen = lzma_index_uncompressed_size(idx);
qDebug() << "Parsed .xz file. Uncompressed size:" << _extrLen;
}
else
{
qDebug() << "Unable to parse index of .xz file";
}
lzma_index_end(idx, NULL);
}
else
{
qDebug() << "Unable to parse footer of .xz file";
}
f.close();
}
}
bool ImageWriter::isOnline()
{
return _online || !_embeddedMode;
}
void ImageWriter::pollNetwork()
{
#ifdef Q_OS_LINUX
/* Check if we have an IP-address other than localhost */
QList<QHostAddress> addresses = QNetworkInterface::allAddresses();
foreach (QHostAddress a, addresses)
{
if (!a.isLoopback() && a.scopeId().isEmpty())
{
/* Not a loopback or IPv6 link-local address, so online */
emit networkInfo(QString("IP: %1").arg(a.toString()));
_online = true;
break;
}
}
if (_online)
{
_networkchecktimer.stop();
// Wait another 0.1 sec, as dhcpcd may not have set up nameservers yet
QTimer::singleShot(100, this, SLOT(syncTime()));
}
#endif
}
void ImageWriter::syncTime()
{
#ifdef Q_OS_LINUX
qDebug() << "Network online. Synchronizing time.";
QNetworkAccessManager *manager = new QNetworkAccessManager(this);
connect(manager, SIGNAL(finished(QNetworkReply*)), SLOT(onTimeSyncReply(QNetworkReply*)));
manager->head(QNetworkRequest(QUrl(TIME_URL)));
#endif
}
void ImageWriter::onTimeSyncReply(QNetworkReply *reply)
{
#ifdef Q_OS_LINUX
if (reply->hasRawHeader("Date"))
{
QDateTime dt = QDateTime::fromString(reply->rawHeader("Date"), Qt::RFC2822Date);
qDebug() << "Received current time from server:" << dt;
struct timeval tv = {
(time_t) dt.toSecsSinceEpoch(), 0
};
::settimeofday(&tv, NULL);
beginOSListFetch();
emit networkOnline();
}
else
{
emit networkInfo(tr("Error synchronizing time. Trying again in 3 seconds"));
QTimer::singleShot(3000, this, SLOT(syncTime()));
}
reply->deleteLater();
#else
Q_UNUSED(reply)
#endif
}
void ImageWriter::onSTPdetected()
{
emit networkInfo(tr("STP is enabled on your Ethernet switch. Getting IP will take long time."));
}
bool ImageWriter::isEmbeddedMode()
{
return _embeddedMode;
}
/* Mount any USB sticks that can contain source images under /media */
bool ImageWriter::mountUsbSourceMedia()
{
int devices = 0;
#ifdef Q_OS_LINUX
QDir dir("/sys/class/block");
const QStringList list = dir.entryList(QDir::Dirs | QDir::NoDotAndDotDot);
if (!dir.exists("/media"))
dir.mkdir("/media");
for (const QString &devname : list)
{
if (!devname.startsWith("mmcblk0") && !QFile::symLinkTarget("/sys/class/block/"+devname).contains("/devices/virtual/"))
{
QString mntdir = "/media/"+devname;
if (dir.exists(mntdir))
{
devices++;
continue;
}
dir.mkdir(mntdir);
QStringList args = { "-o", "ro", QString("/dev/")+devname, mntdir };
if ( QProcess::execute("mount", args) == 0 )
devices++;
else
dir.rmdir(mntdir);
}
}
#endif
return devices > 0;
}
QByteArray ImageWriter::getUsbSourceOSlist()
{
#ifdef Q_OS_LINUX
QJsonArray oslist;
QDir dir("/media");
const QStringList medialist = dir.entryList(QDir::Dirs | QDir::NoDotAndDotDot);
QStringList namefilters = {"*.img", "*.zip", "*.gz", "*.xz", "*.zst"};
for (const QString &devname : medialist)
{
QDir subdir("/media/"+devname);
const QStringList files = subdir.entryList(namefilters, QDir::Files, QDir::Name);
for (const QString &file : files)
{
QString path = "/media/"+devname+"/"+file;
QFileInfo fi(path);
QJsonObject f = {
{"name", file},
{"description", devname+"/"+file},
{"url", QUrl::fromLocalFile(path).toString() },
{"release_date", ""},
{"image_download_size", fi.size()}
};
oslist.append(f);
}
}
return QJsonDocument(oslist).toJson();
#else
return QByteArray();
#endif
}
QString ImageWriter::_sshKeyDir()
{
return QDir::homePath()+"/.ssh";
}
QString ImageWriter::_pubKeyFileName()
{
return _sshKeyDir()+"/id_rsa.pub";
}
QString ImageWriter::_privKeyFileName()
{
return _sshKeyDir()+"/id_rsa";
}
QString ImageWriter::getDefaultPubKey()
{
QByteArray pubkey;
QFile pubfile(_pubKeyFileName());
if (pubfile.exists() && pubfile.open(QFile::ReadOnly))
{
pubkey = pubfile.readAll().trimmed();
pubfile.close();
}
return pubkey;
}
bool ImageWriter::hasPubKey()
{
return QFile::exists(_pubKeyFileName());
}
QString ImageWriter::_sshKeyGen()
{
#ifdef Q_OS_WIN
QString windir = QProcessEnvironment::systemEnvironment().value("windir");
return QDir::fromNativeSeparators(windir+"\\SysNative\\OpenSSH\\ssh-keygen.exe");
#else
return "ssh-keygen";
#endif
}
bool ImageWriter::hasSshKeyGen()
{
#ifdef Q_OS_WIN
return QFile::exists(_sshKeyGen());
#else
return !_embeddedMode;
#endif
}
void ImageWriter::generatePubKey()
{
if (!hasPubKey() && !QFile::exists(_privKeyFileName()))
{
QDir dir;
QProcess proc;
QString progName = _sshKeyGen();
QStringList args;
args << "-t" << "rsa" << "-f" << _privKeyFileName() << "-N" << "";
if (!dir.exists(_sshKeyDir()))
{
qDebug() << "Creating" << _sshKeyDir();
dir.mkdir(_sshKeyDir());
}
qDebug() << "Executing:" << progName << args;
proc.start(progName, args);
proc.waitForFinished();
qDebug() << proc.readAll();
}
}
QString ImageWriter::getTimezone()
{
return QTimeZone::systemTimeZoneId();
}
QStringList ImageWriter::getTimezoneList()
{
QStringList timezones;
QFile f(":/timezones.txt");
if ( f.open(f.ReadOnly) )
{
timezones = QString(f.readAll()).split('\n');
f.close();
}
return timezones;
}
QStringList ImageWriter::getCountryList()
{
QStringList countries;
QFile f(":/countries.txt");
if ( f.open(f.ReadOnly) )
{
countries = QString(f.readAll()).trimmed().split('\n');
f.close();
}
return countries;
}
QStringList ImageWriter::getKeymapLayoutList()
{
QStringList keymaps;
QFile f(":/keymap-layouts.txt");
if ( f.open(f.ReadOnly) )
{
keymaps = QString(f.readAll()).trimmed().split('\n');
f.close();
}
return keymaps;
}
QString ImageWriter::getSSID()
{
return WlanCredentials::instance()->getSSID();
}
QString ImageWriter::getPSK()
{
#ifdef Q_OS_DARWIN
/* On OSX the user is presented with a prompt for the admin password when opening the system key chain.
* Ask if user wants to obtain the wlan password first to make sure this is desired and
* to provide the user with context. */
if (QMessageBox::question(nullptr, "",
tr("Would you like to prefill the wifi password from the system keychain?")) != QMessageBox::Yes)
{
return QString();
}
#endif
return WlanCredentials::instance()->getPSK();
}
bool ImageWriter::getBoolSetting(const QString &key)
{
/* Some keys have defaults */
if (key == "telemetry")
return _settings.value(key, TELEMETRY_ENABLED_DEFAULT).toBool();
else if (key == "eject")
return _settings.value(key, true).toBool();
else if (key == "check_version")
return _settings.value(key, CHECK_VERSION_DEFAULT).toBool();
else
return _settings.value(key).toBool();
}
void ImageWriter::setSetting(const QString &key, const QVariant &value)
{
_settings.setValue(key, value);
_settings.sync();
}
void ImageWriter::setImageCustomization(const QByteArray &config, const QByteArray &cmdline, const QByteArray &firstrun, const QByteArray &cloudinit, const QByteArray &cloudinitNetwork)
{
_config = config;
_cmdline = cmdline;
_firstrun = firstrun;
_cloudinit = cloudinit;
_cloudinitNetwork = cloudinitNetwork;
qDebug() << "Custom config.txt entries:" << config;
qDebug() << "Custom cmdline.txt entries:" << cmdline;
qDebug() << "Custom firstuse.sh:" << firstrun;
qDebug() << "Cloudinit:" << cloudinit;
}
QString ImageWriter::crypt(const QByteArray &password)
{
QByteArray salt = "$5$";
QByteArray saltchars =
"./0123456789ABCDEFGHIJKLMNOPQRST"
"UVWXYZabcdefghijklmnopqrstuvwxyz";
std::mt19937 gen(static_cast<unsigned>(QDateTime::currentMSecsSinceEpoch()));
std::uniform_int_distribution<> uid(0, saltchars.length()-1);
for (int i=0; i<10; i++)
salt += saltchars[uid(gen)];
return sha256_crypt(password.constData(), salt.constData());
}
QString ImageWriter::pbkdf2(const QByteArray &psk, const QByteArray &ssid)
{
return QPasswordDigestor::deriveKeyPbkdf2(QCryptographicHash::Sha1, psk, ssid, 4096, 32).toHex();
}
void ImageWriter::setSavedCustomizationSettings(const QVariantMap &map)
{
_settings.beginGroup("imagecustomization");
_settings.remove("");
const QStringList keys = map.keys();
for (const QString &key : keys) {
_settings.setValue(key, map.value(key));
}
_settings.endGroup();
_settings.sync();
}
QVariantMap ImageWriter::getSavedCustomizationSettings()
{
QVariantMap result;
_settings.beginGroup("imagecustomization");
const QStringList keys = _settings.childKeys();
for (const QString &key : keys) {
result.insert(key, _settings.value(key));
}
_settings.endGroup();
return result;
}
void ImageWriter::clearSavedCustomizationSettings()
{
_settings.beginGroup("imagecustomization");
_settings.remove("");
_settings.endGroup();
_settings.sync();
}
bool ImageWriter::hasSavedCustomizationSettings()
{
_settings.sync();
_settings.beginGroup("imagecustomization");
bool result = !_settings.childKeys().isEmpty();
_settings.endGroup();
return result;
}
bool ImageWriter::imageSupportsCustomization()
{
return !_initFormat.isEmpty();
}
QStringList ImageWriter::getTranslations()
{
QStringList t = _translations.keys();
t.sort(Qt::CaseInsensitive);
return t;
}
QString ImageWriter::getCurrentLanguage()
{
return _currentLang;
}
QString ImageWriter::getCurrentKeyboard()
{
return _currentKeyboard;
}
void ImageWriter::changeLanguage(const QString &newLanguageName)
{
if (newLanguageName.isEmpty() || newLanguageName == _currentLang || !_translations.contains(newLanguageName))
return;
QString langcode = _translations[newLanguageName];
qDebug() << "Changing language to" << langcode;
QTranslator *trans = new QTranslator();
if (trans->load(":/i18n/rpi-imager_"+langcode+".qm"))
{
replaceTranslator(trans);
_currentLang = newLanguageName;
_currentLangcode = langcode;
}
else
{
qDebug() << "Failed to load translation file";
delete trans;
}
}
void ImageWriter::changeKeyboard(const QString &newKeymapLayout)
{
if (newKeymapLayout.isEmpty() || newKeymapLayout == _currentKeyboard)
return;
#ifdef QT_NO_WIDGETS
QString kmapfile = "/usr/share/qmaps/"+newKeymapLayout+".qmap";
if (QFile::exists(kmapfile))
QEglFSFunctions::loadKeymap(kmapfile);
#endif
_currentKeyboard = newKeymapLayout;
}
void ImageWriter::replaceTranslator(QTranslator *trans)
{
if (_trans)
{
QCoreApplication::removeTranslator(_trans);
delete _trans;
}
_trans = trans;
QCoreApplication::installTranslator(_trans);
if (_engine)
{
_engine->retranslate();
}
// Regenerate the OS list, because it has some localised items
emit osListPrepared();
}
QString ImageWriter::detectPiKeyboard()
{
unsigned int typenr = 0;
QFile f("/proc/device-tree/chosen/rpi-country-code");
if (f.exists() && f.open(f.ReadOnly))
{
QByteArray d = f.readAll();
f.close();
if (d.length() == 4)
{
typenr = d.at(2);
}
}
if (!typenr)
{
QDir dir("/dev/input/by-id");
QRegularExpression rx("RPI_Wired_Keyboard_([0-9]+)");
const QStringList entries = dir.entryList(QDir::Files);
for (const QString &fn : entries)
{
QRegularExpressionMatch match = rx.match(fn);
if (match.hasMatch())
{
typenr = match.captured(1).toUInt();
}
}
}
if (typenr)
{
QStringList kbcountries = {
"",
"gb",
"fr",
"es",
"us",
"de",
"it",
"jp",
"pt",
"no",
"se",
"dk",
"ru",
"tr",
"il"
};
if (typenr < kbcountries.count())
{
return kbcountries.at(typenr);
}
}
return QString();
}
QString ImageWriter::getCurrentUser()
{
QString user = qgetenv("USER");
if (user.isEmpty())
user = qgetenv("USERNAME");
user = user.toLower();
if (user.contains(" "))
{
auto names = user.split(" ");
user = names.first();
}
if (user.isEmpty() || user == "root")
user = "pi";
return user;
}
bool ImageWriter::hasMouse()
{
return !_embeddedMode || QFile::exists("/dev/input/mouse0");
}
bool ImageWriter::customRepo()
{
return _repo.toString() != OSLIST_URL;
}
void MountUtilsLog(std::string msg) {
Q_UNUSED(msg)
//qDebug() << "mountutils:" << msg.c_str();
}
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