tdesktop/Telegram/SourceFiles/core/launcher.cpp

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/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "core/launcher.h"
#include "platform/platform_launcher.h"
#include "platform/platform_specific.h"
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#include "base/platform/base_platform_info.h"
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#include "ui/main_queue_processor.h"
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#include "ui/ui_utility.h"
#include "core/crash_reports.h"
#include "core/update_checker.h"
#include "core/sandbox.h"
#include "base/concurrent_timer.h"
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#include "facades.h"
namespace Core {
namespace {
uint64 InstallationTag = 0;
class FilteredCommandLineArguments {
public:
FilteredCommandLineArguments(int argc, char **argv);
int &count();
char **values();
private:
static constexpr auto kForwardArgumentCount = 1;
int _count = 0;
char *_arguments[kForwardArgumentCount + 1] = { nullptr };
};
FilteredCommandLineArguments::FilteredCommandLineArguments(
int argc,
char **argv)
: _count(std::clamp(argc, 0, kForwardArgumentCount)) {
// For now just pass only the first argument, the executable path.
for (auto i = 0; i != _count; ++i) {
_arguments[i] = argv[i];
}
}
int &FilteredCommandLineArguments::count() {
return _count;
}
char **FilteredCommandLineArguments::values() {
return _arguments;
}
QString DebugModeSettingPath() {
return cWorkingDir() + qsl("tdata/withdebug");
}
void WriteDebugModeSetting() {
auto file = QFile(DebugModeSettingPath());
if (file.open(QIODevice::WriteOnly)) {
file.write(Logs::DebugEnabled() ? "1" : "0");
}
}
void ComputeDebugMode() {
Logs::SetDebugEnabled(cAlphaVersion() != 0);
const auto debugModeSettingPath = DebugModeSettingPath();
auto file = QFile(debugModeSettingPath);
if (file.exists() && file.open(QIODevice::ReadOnly)) {
Logs::SetDebugEnabled(file.read(1) != "0");
}
}
void ComputeTestMode() {
if (QFile(cWorkingDir() + qsl("tdata/withtestmode")).exists()) {
cSetTestMode(true);
}
}
QString InstallBetaVersionsSettingPath() {
return cWorkingDir() + qsl("tdata/devversion");
}
void WriteInstallBetaVersionsSetting() {
QFile f(InstallBetaVersionsSettingPath());
if (f.open(QIODevice::WriteOnly)) {
f.write(cInstallBetaVersion() ? "1" : "0");
}
}
void ComputeInstallBetaVersions() {
const auto installBetaSettingPath = InstallBetaVersionsSettingPath();
if (cAlphaVersion()) {
cSetInstallBetaVersion(false);
} else if (QFile(installBetaSettingPath).exists()) {
QFile f(installBetaSettingPath);
if (f.open(QIODevice::ReadOnly)) {
cSetInstallBetaVersion(f.read(1) != "0");
}
} else if (AppBetaVersion) {
WriteInstallBetaVersionsSetting();
}
}
void ComputeInstallationTag() {
InstallationTag = 0;
auto file = QFile(cWorkingDir() + qsl("tdata/usertag"));
if (file.open(QIODevice::ReadOnly)) {
const auto result = file.read(
reinterpret_cast<char*>(&InstallationTag),
sizeof(uint64));
if (result != sizeof(uint64)) {
InstallationTag = 0;
}
file.close();
}
if (!InstallationTag) {
auto generator = std::mt19937(std::random_device()());
auto distribution = std::uniform_int_distribution<uint64>();
do {
InstallationTag = distribution(generator);
} while (!InstallationTag);
if (file.open(QIODevice::WriteOnly)) {
file.write(
reinterpret_cast<char*>(&InstallationTag),
sizeof(uint64));
file.close();
}
}
}
bool MoveLegacyAlphaFolder(const QString &folder, const QString &file) {
const auto was = cExeDir() + folder;
const auto now = cExeDir() + qsl("TelegramForcePortable");
if (QDir(was).exists() && !QDir(now).exists()) {
const auto oldFile = was + "/tdata/" + file;
const auto newFile = was + "/tdata/alpha";
if (QFile(oldFile).exists() && !QFile(newFile).exists()) {
if (!QFile(oldFile).copy(newFile)) {
LOG(("FATAL: Could not copy '%1' to '%2'"
).arg(oldFile
).arg(newFile));
return false;
}
}
if (!QDir().rename(was, now)) {
LOG(("FATAL: Could not rename '%1' to '%2'"
).arg(was
).arg(now));
return false;
}
}
return true;
}
bool MoveLegacyAlphaFolder() {
if (!MoveLegacyAlphaFolder(qsl("TelegramAlpha_data"), qsl("alpha"))
|| !MoveLegacyAlphaFolder(qsl("TelegramBeta_data"), qsl("beta"))) {
return false;
}
return true;
}
bool CheckPortableVersionFolder() {
if (!MoveLegacyAlphaFolder()) {
return false;
}
const auto portable = cExeDir() + qsl("TelegramForcePortable");
QFile key(portable + qsl("/tdata/alpha"));
if (cAlphaVersion()) {
Assert(*AlphaPrivateKey != 0);
cForceWorkingDir(portable + '/');
QDir().mkpath(cWorkingDir() + qstr("tdata"));
cSetAlphaPrivateKey(QByteArray(AlphaPrivateKey));
if (!key.open(QIODevice::WriteOnly)) {
LOG(("FATAL: Could not open '%1' for writing private key!"
).arg(key.fileName()));
return false;
}
QDataStream dataStream(&key);
dataStream.setVersion(QDataStream::Qt_5_3);
dataStream << quint64(cRealAlphaVersion()) << cAlphaPrivateKey();
return true;
}
if (!QDir(portable).exists()) {
return true;
}
cForceWorkingDir(portable + '/');
if (!key.exists()) {
return true;
}
if (!key.open(QIODevice::ReadOnly)) {
LOG(("FATAL: could not open '%1' for reading private key. "
"Delete it or reinstall private alpha version."
).arg(key.fileName()));
return false;
}
QDataStream dataStream(&key);
dataStream.setVersion(QDataStream::Qt_5_3);
quint64 v;
QByteArray k;
dataStream >> v >> k;
if (dataStream.status() != QDataStream::Ok || k.isEmpty()) {
LOG(("FATAL: '%1' is corrupted. "
"Delete it or reinstall private alpha version."
).arg(key.fileName()));
return false;
}
cSetAlphaVersion(AppVersion * 1000ULL);
cSetAlphaPrivateKey(k);
cSetRealAlphaVersion(v);
return true;
}
} // namespace
std::unique_ptr<Launcher> Launcher::Create(int argc, char *argv[]) {
return std::make_unique<Platform::Launcher>(argc, argv);
}
Launcher::Launcher(
int argc,
char *argv[],
const QString &deviceModel,
const QString &systemVersion)
: _argc(argc)
, _argv(argv)
, _baseIntegration(_argc, _argv)
, _deviceModel(deviceModel)
, _systemVersion(systemVersion) {
base::Integration::Set(&_baseIntegration);
}
void Launcher::init() {
_arguments = readArguments(_argc, _argv);
prepareSettings();
QApplication::setApplicationName(qsl("TelegramDesktop"));
#if defined(Q_OS_LINUX) && QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
QApplication::setDesktopFileName(Platform::GetLauncherFilename());
#endif
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#ifndef OS_MAC_OLD
QApplication::setAttribute(Qt::AA_DisableHighDpiScaling, true);
#endif // OS_MAC_OLD
initHook();
}
int Launcher::exec() {
init();
if (cLaunchMode() == LaunchModeFixPrevious) {
return psFixPrevious();
} else if (cLaunchMode() == LaunchModeCleanup) {
return psCleanup();
}
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// Must be started before Platform is started.
Logs::start(this);
// Must be started before Sandbox is created.
Platform::start();
Ui::DisableCustomScaling();
auto result = executeApplication();
DEBUG_LOG(("Telegram finished, result: %1").arg(result));
if (!UpdaterDisabled() && cRestartingUpdate()) {
DEBUG_LOG(("Sandbox Info: executing updater to install update."));
if (!launchUpdater(UpdaterLaunch::PerformUpdate)) {
psDeleteDir(cWorkingDir() + qsl("tupdates/temp"));
}
} else if (cRestarting()) {
DEBUG_LOG(("Sandbox Info: executing Telegram because of restart."));
launchUpdater(UpdaterLaunch::JustRelaunch);
}
CrashReports::Finish();
Platform::finish();
Logs::finish();
return result;
}
void Launcher::workingFolderReady() {
srand((unsigned int)time(nullptr));
ComputeTestMode();
ComputeDebugMode();
ComputeInstallBetaVersions();
ComputeInstallationTag();
}
void Launcher::writeDebugModeSetting() {
WriteDebugModeSetting();
}
void Launcher::writeInstallBetaVersionsSetting() {
WriteInstallBetaVersionsSetting();
}
bool Launcher::checkPortableVersionFolder() {
return CheckPortableVersionFolder();
}
QStringList Launcher::readArguments(int argc, char *argv[]) const {
Expects(argc >= 0);
if (const auto native = readArgumentsHook(argc, argv)) {
return *native;
}
auto result = QStringList();
result.reserve(argc);
for (auto i = 0; i != argc; ++i) {
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result.push_back(base::FromUtf8Safe(argv[i]));
}
return result;
}
QString Launcher::argumentsString() const {
return _arguments.join(' ');
}
bool Launcher::customWorkingDir() const {
return _customWorkingDir;
}
void Launcher::prepareSettings() {
auto path = Platform::CurrentExecutablePath(_argc, _argv);
LOG(("Executable path before check: %1").arg(path));
if (!path.isEmpty()) {
auto info = QFileInfo(path);
if (info.isSymLink()) {
info = info.symLinkTarget();
}
if (info.exists()) {
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const auto dir = info.absoluteDir().absolutePath();
gExeDir = (dir.endsWith('/') ? dir : (dir + '/'));
gExeName = info.fileName();
}
}
if (cExeName().isEmpty()) {
LOG(("WARNING: Could not compute executable path, some features will be disabled."));
}
processArguments();
}
QString Launcher::deviceModel() const {
return _deviceModel;
}
QString Launcher::systemVersion() const {
return _systemVersion;
}
uint64 Launcher::installationTag() const {
return InstallationTag;
}
void Launcher::processArguments() {
enum class KeyFormat {
NoValues,
OneValue,
AllLeftValues,
};
auto parseMap = std::map<QByteArray, KeyFormat> {
{ "-testmode" , KeyFormat::NoValues },
{ "-debug" , KeyFormat::NoValues },
{ "-many" , KeyFormat::NoValues },
{ "-key" , KeyFormat::OneValue },
{ "-autostart" , KeyFormat::NoValues },
{ "-fixprevious" , KeyFormat::NoValues },
{ "-cleanup" , KeyFormat::NoValues },
{ "-noupdate" , KeyFormat::NoValues },
{ "-externalupdater", KeyFormat::NoValues },
{ "-tosettings" , KeyFormat::NoValues },
{ "-startintray" , KeyFormat::NoValues },
{ "-sendpath" , KeyFormat::AllLeftValues },
{ "-workdir" , KeyFormat::OneValue },
{ "--" , KeyFormat::OneValue },
{ "-scale" , KeyFormat::OneValue },
};
auto parseResult = QMap<QByteArray, QStringList>();
auto parsingKey = QByteArray();
auto parsingFormat = KeyFormat::NoValues;
for (const auto &argument : _arguments) {
switch (parsingFormat) {
case KeyFormat::OneValue: {
parseResult[parsingKey] = QStringList(argument.mid(0, 8192));
parsingFormat = KeyFormat::NoValues;
} break;
case KeyFormat::AllLeftValues: {
parseResult[parsingKey].push_back(argument.mid(0, 8192));
} break;
case KeyFormat::NoValues: {
parsingKey = argument.toLatin1();
auto it = parseMap.find(parsingKey);
if (it != parseMap.end()) {
parsingFormat = it->second;
parseResult[parsingKey] = QStringList();
}
} break;
}
}
if (parseResult.contains("-externalupdater")) {
SetUpdaterDisabledAtStartup();
}
gTestMode = parseResult.contains("-testmode");
Logs::SetDebugEnabled(parseResult.contains("-debug"));
gManyInstance = parseResult.contains("-many");
gKeyFile = parseResult.value("-key", {}).join(QString()).toLower();
gKeyFile = gKeyFile.replace(QRegularExpression("[^a-z0-9\\-_]"), {});
gLaunchMode = parseResult.contains("-autostart") ? LaunchModeAutoStart
: parseResult.contains("-fixprevious") ? LaunchModeFixPrevious
: parseResult.contains("-cleanup") ? LaunchModeCleanup
: LaunchModeNormal;
gNoStartUpdate = parseResult.contains("-noupdate");
gStartToSettings = parseResult.contains("-tosettings");
gStartInTray = parseResult.contains("-startintray");
gSendPaths = parseResult.value("-sendpath", {});
gWorkingDir = parseResult.value("-workdir", {}).join(QString());
if (!gWorkingDir.isEmpty()) {
if (QDir().exists(gWorkingDir)) {
_customWorkingDir = true;
} else {
gWorkingDir = QString();
}
}
gStartUrl = parseResult.value("--", {}).join(QString());
const auto scaleKey = parseResult.value("-scale", {});
if (scaleKey.size() > 0) {
const auto value = scaleKey[0].toInt();
gConfigScale = ((value < 75) || (value > 300))
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? style::kScaleAuto
: value;
}
}
int Launcher::executeApplication() {
FilteredCommandLineArguments arguments(_argc, _argv);
Sandbox sandbox(this, arguments.count(), arguments.values());
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Ui::MainQueueProcessor processor;
base::ConcurrentTimerEnvironment environment;
return sandbox.start();
}
} // namespace Core